A drum fabric, a weaving method thereof and a drum brush

Abstract

The present application relates to the technical field of fabric weaving, and particularly relates to a roller fabric, a weaving method thereof and a roller brush, the roller fabric comprising a first fabric of 450D polyester monofilament, the 450D polyester monofilament providing a basic fineness; the first fabric further comprising a modified fiber with a fineness lower than the 450D polyester monofilament; the 450D polyester monofilament having a bending shrinkage ratio not lower than 30%; when in contact with a liquid, a first space containing slurry is formed between the modified fibers and between the modified fiber and the 450D polyester monofilament, the 450D polyester monofilament forming a second space containing slurry, and the second space has a larger gap than the first space. The present application adopts a new denatured polyester with a coarse fiber fineness, which is 150 times of a common fiber fineness, and the new denatured polyester is naturally bent by hot air heating, so that the pile elasticity is increased, the lodging property is good, the adsorption force to paint and the like is increased, and irregular spiral points appear on the painted surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fabric weaving, in particular to a roller fabric, a weaving method thereof and a roller brush. BACKGROUND

[0002] The roller brush industry in China started in the 1990s. With the application of new technologies and the popularization of automatic equipment, and the improvement of people's requirements, the roller brush is endowed with many new functions and uses. Some special surface treatment and painting require special roller brushes. The roller brush fabric, as the main functional material of the roller brush, is required to have new functions to meet people's needs.

[0003] The pile height of the roller brush fabric we usually use is generally between 5-25mm. The materials used are generally polyester filaments, polyester / acrylic blended yarns or pure acrylics, and some high-end ones use pure wool yarns. The fiber fineness of these materials is generally around 3D. They are suitable for general paints and latex paints. For some thick and viscous paints and cement slurry, ordinary roller brushes cannot meet the requirements, and domestic roller brushes cannot do so. SUMMARY

[0004] At least one aspect and advantage of the present application will be set forth in part in the following description, or can be apparent from the description, or can be acquired by practice of the disclosed subject matter.

[0005] According to a first aspect of the present application, a roller fabric comprises a first fabric of 450D polyester filaments, the 450D polyester filaments providing a base fineness;

[0006] The first fabric further comprises a finishing fiber having a fineness lower than the 450D polyester filaments;

[0007] The 450D polyester filaments have a bending shrinkage ratio of no less than 30%;

[0008] When in contact with a liquid, the finishing fibers and the 450D polyester filaments form a first space containing slurry therebetween, and the 450D polyester filaments form a second space containing slurry, and the void of the second space is greater than that of the first space;

[0009] The cross-sectional shape of the 450D polyester filaments comprises a circle, a triangle or an ellipse.

[0010] According to an embodiment of the present application, the first fabric comprises a yarn obtained by winding no less than three 450D polyester filaments, the 450D polyester filaments in the yarn having different bending shrinkage ratios, and at least one of the 450D polyester filaments has a bending shrinkage ratio greater than 60%, and the overall bending shrinkage ratio of all the 450D polyester filaments is no less than 50%.

[0011] According to one embodiment of the present application, the number of 450D polyester monofilaments in the yarn is 3-8.

[0012] According to one embodiment of the present application, the modification fiber is arranged on the surface of the yarn formed by 450D polyester monofilaments, and the fineness of the modification fiber is lower than that of the 450D fiber.

[0013] According to a second aspect of the present application, a cylinder brush comprises a base cloth layer and a felt layer, and the felt layer is woven from the above-mentioned cylinder fabric.

[0014] According to one embodiment of the present application, the felt layer and the base cloth layer are bonded by an adhesive, and the adhesive comprises polyacrylate.

[0015] According to one embodiment of the present application, the adhesive further comprises silicone grease, and the content of the silicone grease is not more than 0.5% of the total mass of the adhesive.

[0016] According to a third aspect of the present application, a weaving method of a cylinder fabric comprises:

[0017] providing a yarn wound by 450D polyester monofilaments,

[0018] winding a modification fiber of polyester monofilament with fineness less than 150D on the surface of the yarn;

[0019] weaving the yarn on a weaving machine to obtain a fabric.

[0020] According to one embodiment of the present application, when weaving, the beam speed is 160-250 m / min, the pressure is set to 0.5-10 kPa, and the displacement parameter is 1.0-5.0 mm.

[0021] According to one embodiment of the present application, before forming the yarn, the 450D polyester monofilaments are subjected to high-temperature heat treatment to obtain a bending shrinkage ratio of not less than 30%.

[0022] According to one embodiment of the present application, the high-temperature heat treatment is that hot air is heated to 160-220°C for 1-5 min, and at least includes heat treatment at 187-192°C for 5-20 s.

[0023] According to one embodiment of the present application, after weaving, it further includes staying at 120-130°C for 0.5-5 min, and then quickly blowing with air at 10-35°C to obtain an elastic recovery product.

[0024] According to one embodiment of the present application, the weaving is performed by using a double sword bar heavy loom.

[0025] According to one embodiment of the present application, winding the modification fiber specifically comprises:

[0026] After the three or more polyester monofilaments are plied, a plying tension is applied to the plied polyester monofilaments to eliminate the bending property thereof;

[0027] The modifying fiber is wound around the yarn with the eliminated bending property;

[0028] The plying tension is removed, the bending property of the yarn is detected, and when the bending shrinkage ratio of the yarn is lower than 30%, the yarn is then subjected to heat treatment to restore the bending shrinkage ratio.

[0029] The present application has the following beneficial effects:

[0030] The present application provides a thick denier crimped polyester material used as a drum brush fabric and a weaving method. The material uses a new denatured polyester, and the fiber fineness is 150 times that of ordinary fiber. The fiber is naturally bent by hot air heating, increasing the elasticity of the pile surface and the lodging property. This can increase the adsorption of paint and the like, and also make the painted surface appear irregular spiral points. The present application uses a double sword bar heavy loom for weaving, and the structure is compact and the crimping is dense, which is suitable for work surfaces with special requirements. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by the drawings without creative labor.

[0032] Figure 1 A longitudinal surface diagram of a drum fabric obtained by an embodiment of the present application;

[0033] Figure 2 A surface diagram of a drum fabric obtained by an embodiment of the present application;

[0034] Figure 3 A yarn warping machine used by an embodiment of the present application;

[0035] Figure 4 A 450D polyester monofilament physical diagram used by an embodiment of the present application;

[0036] Figure 5 A schematic diagram of a yarn formed by plying four 450D polyester monofilaments, which is used by an embodiment of the present application;

[0037] Figure 6 A back surface diagram of a drum fabric obtained by an embodiment of the present application;

[0038] Figure 7 A drum brush physical product diagram obtained by an embodiment of the present application. DETAILED DESCRIPTION

[0039] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be appreciated that these embodiments are discussed only for illustration and are not intended to limit the scope of the present disclosure in any way.

[0040] According to one embodiment of the present application, a drum fabric includes a first fabric of 450D polyester filaments, the 450D polyester filaments providing a base fineness;

[0041] The first fabric further includes a finishing fiber having a fineness lower than the 450D polyester filaments;

[0042] The 450D polyester filaments have a bending shrinkage ratio of not less than 30%;

[0043] Upon contact with a liquid, the finishing fibers and the 450D polyester filaments form a first space accommodating slurry therebetween, the 450D polyester filaments form a second space accommodating slurry, and a void of the second space is greater than that of the first space;

[0044] The 450D polyester filaments have a cross-sectional shape including a circle, a triangle, or an ellipse.

[0045] In the present application, as used, 450D, 48F have the following meanings in the art:

[0046] D in 450D is a unit of measurement of fiber fineness, and 450D means that 9000 meters of fiber has a mass of 450 grams at a standard moisture regain.

[0047] The bending degree as referred to in the present application is a ratio of a bending angle R to a fineness D (mm) = R / D x 100%.

[0048] The shrinkage ratio as referred to in the present application is a ratio of a natural length (L1) of a polyester filament after bending to a length (L2) in a tensioned state, i.e., shrinkage ratio = (1-L1 / L2) x 100%.

[0049] 48F has the meaning in the present application that there are 48 fibers in a bundle of filaments.

[0050] The double sword bar heavy loom as used in the present application is commonly used.

[0051] The beaming speed as referred to in the present application has the following meaning:

[0052] The beaming tension in the present application is 300-800 N, and since different devices have different tension configuration methods, the present application indicates the preparation process using common parameters such as beaming speed and pressure / displacement parameters.

[0053] In the present application, the temperature value used is generally a range value with a fluctuation of 1-2℃. Those skilled in the art know that, in the actual production process, the temperature of the heat flow is actually a point value. However, due to the possible fluctuations in air speed and heating process, the actual gas temperature obtained by outlet measurement will vary within a relatively narrow range. The present application is described according to the actual gas temperature at the gas outlet.

[0054] Example 1

[0055] Please refer to Figures 1-3 , 1.1 Preparation of yarn preparation, yarn is made of 3 450D polyester filaments, the cross-sectional shape of the 450D polyester filaments is circular, and the modified fiber is 60D polyester filaments;

[0056] Before plying to form yarn, the polyester filaments are heated using hot air, and the heating temperature is 188-190℃; at this temperature, the polyester filaments will be crimped and shrunk to obtain a yarn with a bending shrinkage ratio of 30-50%;

[0057] When the bending shrinkage ratio reaches the expected value, the polyester filaments are quickly cooled using air at 25℃ to solidify the properties of the product;

[0058] 1.2 Ply 3 polyester filaments with the desired bending degree, and use 60D polyester filaments for winding during plying; at least 60% of the plied yarn is wound with 60D polyester filaments for modification; before winding, a tension should be applied to the plied yarn to temporarily lose surface tension to facilitate winding; after winding is completed, the bending degree of the plied yarn can be tested, and if it meets the requirements, it can proceed to the next step, otherwise, the bending is performed again according to the method of step 1.1;

[0059] 1.3 Wind the yarn with the qualified bending degree on a beaming machine, increase the beaming tension to offset the internal stress of the yarn, reduce the beaming speed to 200m / min, increase the tension of the back beam, control the pressure at 1kPa, and ensure uniform tension of each strand by setting the displacement parameter to 3.0mm;

[0060] 1.4 Weave on a double-rapier heavy-duty loom;

[0061] Use appropriate fabric structure: use 2 / 1 weft-weight plain weave for the base cloth, and use 3 / 8W consolidation method for the pile yarn, which facilitates clamping of the base cloth on the pile yarn, reduces the risk of linting, increases the amount of linting, and makes it difficult to lint after cutting, and the base plate is smooth without any threads.

[0062] Ensure that the cutting is smooth on the machine, the blade is sharp, and there is no cutting deviation; increase the weaving tension to prevent the crimped yarn from entangling with each other, and also prevent the crimped yarn from being damaged.

[0063] 1.5 After the completion of the textile of the felt layer, a polyacrylate adhesive is used, which also includes 0.3% of silicone grease in the total mass of the adhesive, so that the adhesive force is large, the hardness is good, the environment is pollution-free, the fabric is ensured not to shed, and the bottom plate is flat. Strictly control the temperature to ensure the recovery of its curling effect, achieve the effect of mutual entanglement on the pile surface, and maintain a certain elasticity and softness.

[0064] In this embodiment, by using polyester filaments of 450D (generally about 3D), natural bending is provided by air heating, providing a basic felt layer, and weaving by using a double sword bar heavy loom, so that the pile surface is flat and the fabric is thick; By configuring the covering ratio of the modification fiber and the yarn, the adsorption force of the viscous paint or cement slurry and the like can be increased, wherein the modification fiber can provide a first adsorption interface in contact with the liquid, and the cavity formed by completely plying the polyester filaments can provide adsorption for large particles and high viscosity liquids, so that the roller made of the roller fabric of the present application can be used for viscous paint and the like.

[0065] According to one embodiment of the present application, the first fabric includes yarns obtained by winding no less than three polyester filaments of 450D, the polyester filaments of 450D in the yarns have different bending shrinkage ratios, and at least one polyester filament with a bending shrinkage ratio greater than 60%, and the overall bending shrinkage ratio of all polyester filaments is not less than 50%.

[0066] According to one embodiment of the present application, the number of polyester filaments of 450D in the yarns is 3-8.

[0067] According to one embodiment of the present application, the modification fiber is arranged on the surface of the yarn formed by the 450D polyester filaments, and the fineness is lower than that of the 450D polyester filaments.

[0068] According to one embodiment of the present application, the roller brush comprises a base cloth layer and a felt layer, and the felt layer is woven by the above-mentioned roller fabric.

[0069] According to one embodiment of the present application, the felt layer and the base cloth layer are bonded by an adhesive, and the adhesive includes polyacrylate.

[0070] According to one embodiment of the present application, the adhesive further includes not more than 0.5% of silicone grease in the total mass of the adhesive.

[0071] According to one embodiment of the present application, a weaving method of a roller fabric comprises:

[0072] providing yarns wound by polyester filaments of 450D,

[0073] The modification fiber is wound on the surface of the yarn, and the fineness of the modification fiber is less than 450D;

[0074] The yarn is woven on a textile machine to obtain a fabric.

[0075] According to one embodiment of the present application, when weaving, the beaming speed is 160-250 m / min, the pressure is set to 0.5-10 kPa, and the displacement parameter is 1.0-5.0 mm.

[0076] According to one embodiment of the present application, before forming the yarn, the 450D polyester monofilament is subjected to high-temperature heat treatment to obtain a bending shrinkage ratio of not less than 30%.

[0077] According to one embodiment of the present application, the high-temperature heat treatment is that hot air is heated to 160-220℃ for 1-5 min, and at least includes heat treatment at 187-192℃ for 5-20 s.

[0078] According to one embodiment of the present application, after weaving, it further includes staying at 120-130℃ for 0.5-5 min, and then quickly blowing with air at 10-35℃ to obtain an elastic recovery product.

[0079] According to one embodiment of the present application, the weaving is performed by using a double sword bar heavy-duty loom.

[0080] According to one embodiment of the present application, the winding modification fiber specifically includes:

[0081] After plying the three or more polyester monofilaments, a doubling tension is applied to the plied polyester monofilament to eliminate the bending property thereof;

[0082] The modification fiber is wound on the yarn with the eliminated bending property;

[0083] The doubling tension is removed, the bending property of the yarn is detected, and when the bending shrinkage ratio of the yarn is less than 30%, the yarn is subjected to heat treatment to recover the bending shrinkage ratio.

[0084] The present application uses hot air heating to make it naturally bend, increase the elasticity of the pile surface, and have good lodging property, so that the adsorption force to paint and the like can be increased, the painted surface can have irregular twisted point, and a heavy-duty double sword bar loom is used for weaving, so that the structure is compact, the curling is compact, and the working surface with special requirements is suitable.

[0085] In particular, in the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 60D polyester monofilaments and between the 60D polyester monofilament and the 450D polyester monofilament, the 450D polyester monofilament forms a second space for accommodating the sizing material, the first space and the second space have a ratio of about 1:3, and after a corresponding roller fabric is formed, the application of high-viscosity sizing material can be realized.

[0086] Example 2

[0087] Referring to Figures 6-7 , 1.1 Preparation of yarn, the yarn is made of 3 polyester filaments of 450D, the cross-sectional shape of the polyester filaments of 450D is circular, and the modified fiber is a polyester filament of 60D;

[0088] Before plying to form the yarn, the polyester filaments are heated using hot air, and the heating temperature is 188-190°C;

[0089] The heating temperature and heating time are controlled, and the polyester filaments are crimped and shrunk to obtain 450D polyester filaments with a bending shrinkage ratio of 52%, 55%, and 65%;

[0090] When the bending shrinkage ratio reaches the expected value, the polyester filaments are quickly cooled using air at 25°C to solidify the properties of the product.

[0091] 1.2 Ply the 3 polyester filaments whose bending degree has reached the expected value, and use a polyester filament of 60D to wind during plying; at least 70% of the plied yarn is wound by the modified polyester filament of 60D during winding; before winding, a tension should be applied to the plied yarn to temporarily lose surface tension to facilitate winding; after winding is completed, the bending degree of the plied yarn can be tested, and if it meets the requirements, it can proceed to the next step, otherwise, the bending is performed again according to the method of step 1.1;

[0092] 1.3 Wind the yarn with qualified bending degree on a beaming machine to form a disc head, increase the beaming tension during beaming to offset the internal stress of the yarn, reduce the beaming speed to 200 m / min, increase the tension of the back beam, control the pressure to 2.5 kPa, and ensure uniform tension of each strand by setting the displacement parameter to 2.5 mm;

[0093] 1.4 Weaving is performed on a double-rapier heavy-duty loom;

[0094] An appropriate fabric structure is adopted: the base cloth adopts 2 / 1 weft-weight plain weave, and the pile yarn adopts 3 / 8W consolidation method, which facilitates clamping of the base cloth on the pile yarn, reduces the shedding of the pile yarn, increases the shedding amount, and makes the pile shedding not easy to shed after cutting, and the base plate is smooth without impurities.

[0095] 1.5 After the textile of the felt layer is completed, polyacrylic adhesive is used for bonding, and the adhesive also contains 0.25% of silicone grease based on the total mass of the adhesive.

[0096] In the fabric provided by the embodiment, the first space for accommodating the slurry is formed between the 60D polyester filaments and between the 60D polyester filaments and the 450D polyester filaments, the 450D polyester filaments form the second space for accommodating the slurry, the first space and the second space have a ratio of about 1:3.5; after a corresponding cylinder fabric is formed by using the cylinder fabric, the cylinder fabric can be used for application of high-viscosity slurry.

[0097] Example 3

[0098] 1.1 Preparation of yarns, the yarns are formed by plying three 450D polyester filaments, the cross-sectional shape of the 450D polyester filaments is triangular, and the fineness of the modified 75D polyester filaments is 75D;

[0099] Before plying to form the yarns, the polyester filaments are heated by using hot air, and the heating temperature is 188-190°C;

[0100] The heating temperature and the heating time are controlled, and the polyester filaments are crimped and shrunk to obtain 450D polyester filaments with a bending shrinkage ratio of 50%, 55%, and 68%;

[0101] When the bending shrinkage ratio reaches the expectation, the polyester filaments with an overall shrinkage ratio of more than 55% are obtained by natural cooling to solidify the properties of the product;

[0102] When heating to achieve the bending of the polyester filaments, the temperature is generally controlled at 190°C, and at this temperature, the bending shrinkage ratio is controlled by controlling the time. For the same batch of polyester filaments, the correlation test of the heating time and the bending degree can be performed by heating a small sample, and a reasonable heating time is determined to obtain a product with a target bending degree.

[0103] 1.2 Plying three polyester filaments with the expected bending degree, and winding with 75D polyester filaments during plying; at least 70% of the plied yarns are wound with the 75D polyester filaments for modification; before winding, a tension should be applied to the plied yarns to temporarily lose the surface tension to facilitate winding; after winding is completed, the bending degree of the plied yarns can be tested, and if the requirement is met, the next step is entered, otherwise the bending is performed again according to the method of step 1.1.

[0104] 1.3 Winding the yarn with the qualified bending degree on a warper to form a disc head, increasing the warping tension to offset the internal stress of the yarn during warping, reducing the warping speed to 200 m / min, increasing the beam tension, and controlling the pressure to 10 kPa, and ensuring uniform tension of each strand by setting the displacement parameter to 4.0 mm;

[0105] 1.4 Weaving on a double-rapier heavy-duty loom;

[0106] The fabric structure is suitable: the base fabric adopts 2 / 1 weft-weight plain weave, and the pile yarn adopts 3 / 8W consolidation mode, so that the base fabric can clamp the pile yarn, the pile yarn is not easy to shed, the amount of pile yarn is increased, the pile yarn is not easy to shed after being cut, and the base plate is smooth and has no impurities.

[0107] 1.5 After the textile of the felt layer is completed, polyacrylic adhesive is used for bonding, and the adhesive further includes 0.2% of organic silicone grease based on the total mass of the adhesive.

[0108] In the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 75D polyester filaments and between the 75D polyester filaments and the 450D polyester filaments, the 450D polyester filaments form the second space for accommodating the sizing material, the first space and the second space have a ratio of about 1:2, and after a corresponding cylinder fabric is formed, the cylinder fabric can be used for application of high-viscosity sizing material.

[0109] Example 4

[0110] Please refer to Figures 4-5 1.1 Preparation of yarn, the yarn is formed by plying four 450D polyester filaments, the cross-sectional shape of the 450D polyester filament is triangular, the 450D polyester filament is 150 times thicker than a commonly used fiber, and the modified fiber has a fineness of 150D / 48F polyester filament;

[0111] Before being plied to form the yarn, the polyester filaments are heated by hot air at a temperature of 190°C to naturally bend, the bending shrinkage ratio is controlled to be 75%, and the elasticity of the pile surface is ensured;

[0112] 1.2 The four bent polyester filaments are plied into one, the plying tension is increased, the bending property is temporarily eliminated, then one 150D / 48F polyester filament is wound on the filaments by a wrapping machine, the physical properties are stabilized, the surface of the yarn is smooth, weaving on a loom is facilitated, the curling property is not affected after cutting and arranging the pile, and the adsorption property is improved;

[0113] 1.3 The prepared yarn is wound on a warping machine, the warping tension is increased to offset the internal stress of the yarn, the warping speed is reduced to 200 m / min, the beam tension is increased, the pressure is controlled to be 4 kPa, and the displacement parameter is 2.5 mm to ensure that the twisting tensions are uniform;

[0114] 1.4 Weaving is performed on a double-rapier heavy loom:

[0115] The fabric structure is suitable: the base fabric adopts 2 / 1 weft-weight plain weave, and the pile yarn adopts 3 / 8W consolidation mode, so that the base fabric can clamp the pile yarn, the pile yarn is not easy to shed, the amount of pile yarn is increased, the pile yarn is not easy to shed after being cut, and the base plate is smooth and has no impurities.

[0116] Ensure the on-machine cutting evenness, the blade should be sharp, and there should be no cutting deviation phenomenon, and improve the running speed and stability of the knife;

[0117] Increase the weaving tension to ensure that the crimped yarns cannot entangle each other and cannot damage their crimping properties;

[0118] 1.5 Back gluing:

[0119] A polyacrylic adhesive is used, which also includes 0.4% of an organic silicone grease based on the total mass of the adhesive, so that it has large adhesion, good hardness, is environmentally friendly and non-polluting, ensures that the fabric does not shed, and the bottom plate is even. Strictly control the temperature to ensure the recovery of its crimping properties, achieve the effect of mutual entanglement on the pile surface, and maintain a certain elasticity and softness.

[0120] In the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 150D polyester filaments and between the 150D polyester filaments and the 450D polyester filaments, the 450D polyester filaments form the second space for accommodating the sizing material, and the first space and the second space have a ratio of about 1:4; after the corresponding drum fabric is formed by using a drum, it can be used for the application of high-viscosity sizing material.

[0121] Example 5

[0122] 1.1 Preparation of yarn preparation, the yarn is formed by plying four 450D polyester filaments, the cross-sectional shape of the 450D polyester filaments is oval, the 450D polyester filaments are 150 times thicker than ordinary commonly used fibers, and the modified fiber fineness is 150D / 48F polyester filaments;

[0123] Before plying to form the yarn, the polyester filaments are heated using hot air, the heating temperature is 190°C, the natural bending is controlled, the bending shrinkage ratios are 60%, 65%, 65% and 75% respectively, and the elasticity of the pile surface is ensured;

[0124] 1.2 Four bent polyester filaments are plied into one, the plating tension is increased, the bending property is temporarily eliminated, then a 150D / 48F polyester filament is wrapped on the plating machine, the physical properties are stabilized, the yarn surface is smooth, and the machine weaving is facilitated, but the cutting and finishing do not affect the crimping property, and the adsorption property is improved;

[0125] 1.3 The prepared yarn is wound on a warping machine, the warping tension is increased to offset the internal stress of the yarn, the warping speed is reduced to 200 m / min, the beam tension is increased, the pressure is controlled at 2kPa, and the displacement parameter is 3.0mm to ensure that the twisting tension is uniform;

[0126] 1.4 Weaving is carried out on a double-rapier heavy-duty loom:

[0127] Adopting suitable fabric structure: the base fabric adopts 2 / 1 weft weight plain weave, and the pile yarn adopts 3 / 8W consolidation mode, which is convenient for clamping the pile yarn on the base fabric, and the pile yarn is not easy to shed, the amount of shed pile is increased, and the base plate is smooth without impurities after cutting the pile;

[0128] Ensure that the cutting pile on the machine is flat, the blade is sharp, and there is no cutting deviation phenomenon, and improve the running speed and stability of the knife;

[0129] Increase the weaving tension to ensure that the crimped yarn cannot entangle each other, and also cannot damage its crimping property;

[0130] 1.5 Back gluing:

[0131] Adopting polyacrylic adhesive, which also includes 0.4% of silicone grease in the total mass of the adhesive, so that it has large adhesion, good hardness, environmental protection and no pollution, ensures that the fabric does not shed, and the base plate is flat. Strictly control the temperature to ensure the recovery of its crimping property, achieve the effect of mutual entanglement on the pile surface, and maintain certain elasticity and softness.

[0132] In the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 150D polyester filaments and between the 150D polyester filaments and the 450D polyester filaments, the 450D polyester filaments form a second space for accommodating the sizing material, and the first space and the second space have a ratio of about 1:5; after forming the cylinder using the corresponding cylinder fabric, it can be used for the application of high-viscosity sizing material.

[0133] Example 6

[0134] 1.1 Preparation of yarn, the yarn is formed by plying 6 450D polyester filaments, the cross-sectional shape of the 450D polyester filaments is circular, and the fineness of the modified fiber is 75D polyester filaments;

[0135] Before plying to form the yarn, the polyester filaments are heated using hot air, and the heating temperature is 188-190℃;

[0136] Control the heating temperature and heating time, and the polyester filaments will be crimped and shrunk to obtain 450D polyester filaments with a bending shrinkage ratio of 50%, 53%, 55%, 58%, 62% and 68%;

[0137] When the bending shrinkage ratio reaches the expected value, the polyester filaments are quickly cooled using air at 25℃ to solidify the properties of the product.

[0138] 1.2 Six polyester filaments with expected bending degree are plying, and 75D polyester filaments are used for winding; at least 80% of the plied yarns are wound by the 75D polyester filaments for modification; before winding, the tension of the plied yarns should be applied to temporarily lose the surface tension to facilitate winding; after winding is completed, the bending degree of the plied yarns can be tested, and if it meets the requirements, it can proceed to the next step, otherwise, it can be wound again according to the method of step 1.1.

[0139] 1.3 The yarns with qualified bending degree are wound on a beaming machine, and the beaming tension is increased to offset the internal stress of the yarns, the beaming speed is reduced to 200 m / min, the tension of the back beam is increased, the pressure is controlled to 6 kPa, and the displacement parameter is 3.0 mm to ensure that the tension of each beam is uniform.

[0140] 1.4 Weaving is carried out on a double-rapier heavy loom.

[0141] An appropriate fabric structure is adopted: the base fabric adopts 2 / 1 weft-weight plain weave, and the pile yarn adopts 3 / 8W consolidation method, which facilitates clamping of the base fabric and pile yarn, reduces the shedding of the pile, increases the shedding amount, and makes the pile not easy to shed after cutting, and the base plate is smooth without impurities.

[0142] 1.5 After the textile of the felt layer is completed, a polyacrylic adhesive is used for bonding, and the adhesive also includes 0.1% of silicone grease based on the total mass of the adhesive.

[0143] In the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 75D polyester filaments and between the 75D polyester filaments and the 450D polyester filaments, and the second space for accommodating the sizing material is formed by the 450D polyester filaments, wherein the first space and the second space have a ratio of about 1:3; after the corresponding drum fabric is formed, it can be used for application of high-viscosity sizing material.

[0144] Example 7

[0145] 1.1 Preparation of yarns, the yarns are formed by plying six 450D polyester filaments, the cross-sectional shape of the 450D polyester filaments is elliptical, and the fineness of the modified fibers is 65D polyester filaments;

[0146] Before plying to form yarns, the polyester filaments are heated using hot air, and the heating temperature is 188-190°C;

[0147] The heating temperature and heating time are controlled, and the polyester filaments are curled and shrunk to obtain 450D polyester filaments with curling and shrinking ratios of 50%, 53%, 55%, 58%, 62%, and 68%;

[0148] When the bending shrinkage ratio reaches the expectation, the polyester monofilament is rapidly cooled using air at 25℃ to solidify the properties of the product.

[0149] 1.2 Six polyester monofilaments whose bending degree has reached the expectation are plied, and 65D polyester monofilament is used for winding during plying; at least 65% of the plied yarn is wound by the 65D polyester monofilament for modification during winding; before winding, the tension of the plied yarn should be applied to temporarily lose the surface tension to facilitate winding; after winding is completed, the bending degree of the plied yarn can be tested, and if the requirement is met, the next step is entered, otherwise, the bending is performed again according to the method of step 1.1.

[0150] 1.3 The yarn with qualified bending degree is wound on a beam on a beaming machine; during beaming, the beaming tension is increased to offset the internal stress of the yarn, the beaming speed is reduced to 200 m / min, the tension of the back beam is increased, the pressure is controlled to be 3.5 kPa, and the displacement parameter is 2 mm to ensure that the tension of each strand is uniform.

[0151] 1.4 Weaving is performed on a double-rapier heavy loom.

[0152] A suitable fabric structure is adopted: the base cloth adopts 2 / 1 weft-weight plain weave, and the pile yarn adopts 3 / 8W consolidation mode, which facilitates clamping of the base cloth on the pile yarn, is not easy to shed hair, increases the shedding amount, and makes it not easy to shed hair after cutting, and the base plate is smooth without impurities.

[0153] 1.5 After the textile of the felt layer is completed, a polyacrylic adhesive is used for bonding, and the adhesive further includes 0.5% of silicone grease based on the total mass of the adhesive.

[0154] In the fabric provided by the embodiment, the first space for accommodating the sizing material is formed between the 65D polyester monofilaments and between the 65D polyester monofilament and the 450D polyester monofilament, the 450D polyester monofilament forms a second space for accommodating the sizing material, the first space and the second space have a ratio of about 1:3; after the corresponding drum fabric is formed, it can be used for application of high-viscosity sizing material.

[0155] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A roller fabric, characterized in that, The roller fabric comprises a first fabric of 450D polyester monofilament, which provides the basic fineness. The first fabric also includes modified fibers of polyester monofilament with a fineness of less than 450D; The 450D polyester monofilament has a bending shrinkage ratio of not less than 30%; When in contact with liquid, a first space for containing slurry is formed between the modified fibers and between the modified fibers and the 450D polyester monofilament, and the 450D polyester monofilament forms a second space for containing slurry, and the gap in the second space is larger than that in the first space. The cross-sectional shape of the 450D polyester monofilament includes circular, triangular, or elliptical shapes; The first fabric comprises a yarn obtained by winding not less than three 450D polyester monofilaments, wherein the 450D polyester monofilaments in the yarn have different bending shrinkage ratios, and at least one polyester monofilament has a bending shrinkage ratio greater than 60%, and the overall bending shrinkage ratio of all polyester monofilaments is not less than 50%. The modified fiber is disposed on the surface of a yarn formed from 450D polyester monofilament and is a fiber with a fineness lower than 450D. The ratio of the first space to the second space is 1:

3.

2. The roller fabric as described in claim 1, characterized in that, The yarn contains 3-8 450D polyester monofilaments.

3. A roller brush, characterized in that, It comprises a base fabric layer and a felt layer, wherein the felt layer is woven from the roller fabric as described in claim 1 or claim 2.

4. The roller brush as described in claim 3, characterized in that, The felt layer and the base fabric layer are bonded together by an adhesive, which includes polyacrylate.

5. The roller brush as described in claim 4, characterized in that, The adhesive also includes silicone grease comprising no more than 0.5% of the total mass of the adhesive.

6. The method for weaving the roller fabric as described in claim 1 or claim 2, characterized in that, include: It provides yarn made of 450D polyester monofilament wound together. Modifying fibers of polyester monofilament with a fineness of less than 450D are wound around the surface of the yarn; Yarn is woven on a textile machine to obtain a fabric.

7. The method for weaving roller fabric as described in claim 6, characterized in that, During weaving, the warping speed is 160-250m / min, the pressure is set at 0.5-10kPa, and the displacement parameter is 1.0-5.0mm.

8. The method for weaving roller fabric as described in claim 6, characterized in that, Before forming the yarn, the 450D polyester monofilament is subjected to high-temperature heat treatment to obtain a bending shrinkage ratio of not less than 30%.

9. The method for weaving roller fabric as described in claim 8, characterized in that, High-temperature heat treatment involves heating hot air to 160-220℃ for 1-5 minutes, and includes at least 5-20 seconds of heat treatment at 187-192℃.

10. The method for weaving roller fabric as described in claim 6, characterized in that, After weaving, the product is kept at 120-130℃ for 0.5-5 minutes, followed by rapid blowing with air at 10-35℃ to obtain a product with restored elasticity.

11. The method for weaving roller fabric as described in claim 6, characterized in that, The weaving is performed using a double rapier heavy-duty loom.

12. The method for weaving roller fabric as described in claim 6, characterized in that, The specific components of the wrapped and modified fibers include: After plying together three or more polyester monofilaments, apply twisting tension to the plyed polyester monofilaments to eliminate their bending properties. Wrap finishing fibers around yarns that eliminate crimp; Remove the tension of the yarn and test its bending properties. If the bending shrinkage ratio of the yarn is less than 30%, then heat treat the yarn to restore the bending shrinkage ratio.

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