Processing method of integrated polar fleece thermal fabric

Abstract

The invention provides a processing method of an integrated polar fleece thermal fabric, and relates to the technical field of household kitchens. The processing method of the integrated polar fleece fabric comprises the following steps: S1, weaving cotton / DTY (draw textured yarn) two-component composite hollow filaments into an integrated polar fleece fabric; s2, carrying out dyeing processing on the fabric; s3, carrying out post finishing; s4, shaping and finishing. The cotton / DTY double-component composite hollow filaments are woven into the cotton-polyester elastic fabric, the fabric is cotton-like in hand feeling, good in elasticity, thick in touch, light and thin in actual gram weight, and the performance of the fabric is superior to that of a traditional cotton-polyester fabric. Meanwhile, the fabric does not contain spandex, so that the fabric does not have the problems of no acid and alkali resistance, no chlorine resistance and easy embrittlement in the sun. The terylene fabric is slightly poor in snagging resistance and warm keeping performance, undesirable phenomena such as color fading can occur in the wearing period of the fabric, the DTY hollow yarn is used in the fabric, and the anti-snagging performance, the warm keeping performance and the antibacterial performance of the fabric are superior to those of common integrated polar fleece.

Description

Technical Field

[0001] The invention relates to the technical field of home kitchens, and in particular to a method for processing an integrated polar fleece thermal insulation fabric. Background Art

[0002] Cotton fabrics have excellent hygroscopicity, softness, warmth retention and comfort, and have always been loved by people. However, pure cotton fabrics have deficiencies in wrinkle resistance, stain resistance and mildew resistance. When cotton fibers are saturated with human sweat and cause a damp and cold uncomfortable feeling, their poor moisture conductivity and moisture absorption and quick-drying properties become apparent. Hollow silk polyester with good shape retention and drape, heat generation, warmth retention and antibacterial properties is widely used in the production of one-piece polar fleece fabrics. Existing one-piece polar fleece fabrics are mostly made of cotton / polyester and spandex. Because they contain spandex, they are not resistant to acid and alkali, chlorine, sunlight, and fade after washing. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a processing method for an integrated polar fleece thermal insulation fabric, which solves the problems that the existing integrated polar fleece fabric is mostly made of cotton / polyester and spandex, and is not resistant to acid and alkali, chlorine, sunlight, and fades and changes color due to the presence of spandex.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a processing method of an integrated polar fleece thermal insulation fabric, comprising the following steps:

[0005] S1. Cotton / DTY two-component composite hollow yarn is woven into a one-piece polar fleece fabric;

[0006] S2. Fabrics are dyed;

[0007] S3. Post-processing;

[0008] S4. Shaping and finishing.

[0009] Preferably, the specific steps of shaping and finishing in S4 are:

[0010] S4-1 configuration finishing liquid; the finishing liquid is mixed with a raising agent and a benzophenone-containing polyorganosiloxane emulsion + antibacterial agent;

[0011] S4-2. Padding fabrics;

[0012] S4-3. High temperature drying and shaping: drying at 130℃ for 60-80 seconds, and then baking at 185-190℃ for 40-50 seconds.

[0013] Preferably, the preparation method of the benzophenone-containing polyorganosiloxane emulsion is:

[0014] Add 90g of D4, 5g of benzophenone-containing siloxane and 2g of KH-602 into a three-necked flask equipped with an electric stirrer, a thermometer and a reflux condenser, stir and mix evenly, and heat to above 90°C;

[0015] 0.2 g of tetramethylammonium hydroxide was added, and the temperature was maintained at 120° C. for 6 hours, and low-boiling substances were removed by reduced pressure distillation at a gauge pressure of 0.8 MPa, and then the temperature was raised to 140° C. to decompose the catalyst tetramethylammonium hydroxide, and then low-boiling substances were removed by reduced pressure distillation again at a gauge pressure of 0.8 MPa to obtain a colorless, transparent, viscous liquid, i.e., benzophenone-containing polyorganosiloxane;

[0016] The benzophenone-containing polyorganosiloxane and the emulsifier are mixed in a mass ratio of 10:1, and a mixture of water and acetic acid is added during stirring, and the mixture is stirred until the solution becomes transparent to obtain a benzophenone-containing polyorganosiloxane emulsion. The emulsifier is composed of isomeric tridecanol polyoxyethylene ether and AEO-9 in a mass ratio of 4:1.

[0017] Preferably, the benzophenone-containing siloxane is prepared by an addition reaction of trimethoxyhydrogensilane and 2-hydroxy-4-propyleneoxybenzophenone, and the specific steps are:

[0018] 28.2 g of 2-hydroxy-4-propyleneoxybenzophenone, 80 g of toluene and 0.12 g of platinum catalyst were added to a four-necked round-bottom flask equipped with a mechanical stirrer, a reflux condenser, a constant pressure dropping funnel and a nitrogen gas guide tube, and the temperature was raised to 85° C. and refluxed for 30 min under a nitrogen atmosphere;

[0019] Weigh 14.7 g of trimethoxysilane and 10 g of toluene, mix them thoroughly, and add them into a four-necked flask within 2 hours using a constant pressure dropping funnel. Then heat the mixture to 100°C and keep it for 6 hours. Then cool the mixture and distill the unreacted monomers under reduced pressure at 0.01 MPa to complete the discharging and obtain benzophenone-containing siloxane.

[0020] Preferably, the raising agent is a fatty acid organic amine compound.

[0021] Preferably, the cotton / DTY two-component composite stretch yarn of S1 is a cotton / DTY 100D / 100F150D / 100F composite hollow yarn, and the mass ratio thereof is 7:15.

[0022] Preferably, the dyeing process of S2 includes the steps of pre-forming, singeing, refining, dyeing and washing, cotton dyeing, post-finishing and setting of the fabric.

[0023] Preferably, the refining process conditions are: taking 2 g / L of refining agent, 2 g / L of caustic soda concentration and 3 g / L of 50% hydrogen peroxide, with a bath ratio of 1:6, and treating at 110°C for 40 minutes.

[0024] Preferably, the dyeing and washing process is:

[0025] Adding leveling agents and buffers to the dye bath at room temperature to help the dye to be more evenly distributed in the subsequent dyeing process;

[0026] Place the fabric in the dyeing machine and perform preliminary treatment to allow it to fully absorb the ingredients in the dye bath;

[0027] Add disperse dye to the dye liquor to start the dyeing process;

[0028] The circulation system in the dyeing machine allows the dye liquid and fabric to be fully mixed to ensure uniform dyeing;

[0029] Heat the dye liquor to 85°C and maintain the temperature for 10 minutes to promote dye penetration;

[0030] Continue to raise the temperature to 90°C and keep it warm for another 10 minutes to further promote the dyeing effect;

[0031] Raise the temperature to 130°C and maintain for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0032] Slowly cool down to 50℃ to avoid damage to the fabric caused by sudden temperature drop;

[0033] Drain the dye solution and prepare for the subsequent cleaning steps;

[0034] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0035] Wash with a reducing agent to further remove dye residue and ensure color fastness;

[0036] Neutralize the fabric to adjust the pH value and prevent damage to the fabric;

[0037] Rinse again with water to ensure the fabric is clean;

[0038] After all the treatments are completed, the fabric is taken out from the dyeing machine and goes to the next step of treatment or packaging.

[0039] Preferably, the cotton dyeing process is:

[0040] Add dye and industrial salt to the dye bath at room temperature to help the dye spread more evenly on the fabric;

[0041] Place the cotton fabric in the dyeing machine and soak it for 15 minutes to fully absorb the ingredients in the dye bath;

[0042] Heat the dye liquor to 60°C to promote the penetration of the dye into the fabric;

[0043] Keep at 60℃ for 10 minutes to allow the dye to fully combine with the fabric;

[0044] Adding soda ash, usually to improve dyeing and adjust pH;

[0045] Keep at this temperature for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0046] Gradually lower the temperature to 40°C in preparation for the subsequent cleaning steps;

[0047] Drain the dye and prepare for cleaning;

[0048] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0049] Wash with soap to further remove dye residue and dirt;

[0050] Rinse again with water to ensure the fabric is clean;

[0051] Adjust the pH value of the fabric through neutralization treatment to avoid damage to the fabric;

[0052] After all the steps are completed, the fabric is taken out of the dyeing machine and goes to the next step of processing or packaging.

[0053] The present invention provides a processing method for an integrated polar fleece thermal insulation fabric, which has the following beneficial effects:

[0054] 1. The present invention weaves cotton / DTY two-component composite hollow yarn into a cotton-polyester stretch fabric. The fabric has a cotton-like feel, good elasticity, feels thick, and is actually light and thin, with better performance than traditional cotton-polyester fabrics. At the same time, the fabric does not contain spandex, so there is no problem of acid and alkali resistance, chlorine resistance, and brittleness under sunlight. The anti-snagging and warmth retention of polyester fabrics are slightly poor, and fading and other undesirable phenomena may occur during the wearing of the fabric. The present invention uses DTY hollow yarn in the fabric, which is superior to ordinary one-piece polar fleece in terms of anti-snagging, warmth retention, and antibacterial performance.

[0055] 2. The one-piece polar fleece fabric prepared by the present invention has excellent shape retention and drape, heat generation, warmth retention and antibacterial properties. The polar fleece effect is comprehensively formed by materials, textiles, dyeing and finishing. The mass ratio of the warp and weft 32S / DTY components and the parameters such as fineness, twist, warp and weft density during weaving are the main influencing factors; the subsequent pre-forming, dyeing processing, post-processing, and finishing procedures directly affect the style, feel and texture of the finished fabric. DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0057] Embodiment 1:

[0058] The embodiment of the present invention provides a method for processing an integrated polar fleece thermal insulation fabric, comprising the following steps:

[0059] S1. Cotton / DTY two-component composite hollow yarn is woven into a one-piece polar fleece fabric; the cotton / DTY two-component composite stretch yarn of S1 is cotton / DTY 100D / 100F 150D / 100F composite hollow yarn, and its mass ratio is 7:15;

[0060] S2. Fabrics are dyed;

[0061] S3. Post-processing;

[0062] S4. Shaping and finishing.

[0063] The specific steps for S4 finalization are:

[0064] S4-1. Configure finishing liquid; the finishing liquid is a mixture of a raising agent and a polyorganosiloxane emulsion containing benzophenone + an antibacterial agent;

[0065] S4-2. Padded fabric; one dip and one roll, the liquid rolling rate is 85%

[0066] S4-3. High temperature drying and shaping, drying at 130°C for 60 seconds, and then baking at 185°C for 40 seconds.

[0067] The preparation method of the benzophenone-containing polyorganosiloxane emulsion is as follows:

[0068] Add 90g of D4, 5g of benzophenone-containing siloxane and 2g of KH-602 into a three-necked flask equipped with an electric stirrer, a thermometer and a reflux condenser, stir and mix evenly, and heat to above 90°C;

[0069] 0.2 g of tetramethylammonium hydroxide was added, and the temperature was maintained at 120° C. for 6 hours, and low-boiling substances were removed by reduced pressure distillation at a gauge pressure of 0.8 MPa, and then the temperature was raised to 140° C. to decompose the catalyst tetramethylammonium hydroxide, and then low-boiling substances were removed by reduced pressure distillation again at a gauge pressure of 0.8 MPa to obtain a colorless, transparent, viscous liquid, i.e., benzophenone-containing polyorganosiloxane;

[0070] The benzophenone-containing polyorganosiloxane is mixed with an emulsifier in a mass ratio of 10:1, and a mixture of water and acetic acid is added during stirring, and the solution is stirred until it becomes transparent to obtain a benzophenone-containing polyorganosiloxane emulsion. The emulsifier is composed of isomeric tridecyl alcohol polyoxyethylene ether (isomeric tridecyl alcohol polyoxyethylene ether includes isomeric tridecyl alcohol polyoxyethylene ether 1307 and isomeric tridecyl alcohol polyoxyethylene ether 1309, and the ratio of the two is 1:1) and AEO-9 in a mass ratio of 4:1.

[0071] The benzophenone-containing siloxane is prepared by an addition reaction of trimethoxyhydrogensilane and 2-hydroxy-4-propyleneoxybenzophenone, and the specific steps are as follows:

[0072] 28.2 g (0.1 mol) of 2-hydroxy-4-propyleneoxybenzophenone (CAS No.: 2549-87-3), 80 g of toluene and 0.12 g of platinum catalyst were added to a four-necked round-bottom flask equipped with a mechanical stirrer, a reflux condenser, a constant pressure dropping funnel and a nitrogen gas guide tube, and the temperature was raised to 85° C. and refluxed for 30 min under a nitrogen atmosphere;

[0073] Weigh 14.7 g (0.12 mol) of trimethoxysilane (CAS No.: 2487-90-3) and 10 g of toluene, mix thoroughly, add into a four-necked flask within 2 h using a constant pressure dropping funnel, then heat to 100 ° C and keep warm for 6 h, then cool down, distill unreacted monomers under reduced pressure at 0.01 MPa, complete the discharging, and obtain benzophenone-containing siloxane.

[0074] The raising agent is a fatty acid organic amine compound.

[0075] The dyeing process of S2 includes fabric pre-setting, singeing, refining, dyeing and washing, cotton dyeing, finishing and finishing.

[0076] The pre-forming process is: During the pre-forming process, the temperature of the equipment or environment is set to 200°C. This temperature helps soften the fiber, making it easier to be molded into a predetermined shape;

[0077] The fabric or product needs to be treated for 45 seconds to ensure that the heat fully penetrates and achieves the intended effect;

[0078] The fabric passes through the equipment at a speed of 22 meters per minute.

[0079] The singeing process is: a device that uses four burners, usually gas or other forms of heating devices, to evenly heat the fabric so that the wool fibers on the surface are burned off;

[0080] It means that the fabric is directly exposed to flame during the treatment process and is singed;

[0081] It means that during the singeing process, the fabric passes through the equipment at a speed of 75 meters per minute. This speed needs to be reasonably adjusted according to the characteristics of the fabric and the effect of singeing to ensure that the hairiness can be effectively removed without damaging the fabric.

[0082] The refining process conditions are as follows: take 2g / L of refining agent, 2g / L of caustic soda concentration and 3g / L of 50% hydrogen peroxide, the bath ratio is 1:6, the fabric is immersed in the refining treatment solution at room temperature, the temperature is increased to 110℃ at a rate of 1.5℃ / min, and after heat preservation treatment for 40 minutes, the temperature is lowered to below 50℃ at a rate of 2℃ / min, acid neutralized, and then washed twice with water until the fabric surface is neutral.

[0083] The dyeing and washing process is:

[0084] Adding leveling agents and buffers to the dye bath at room temperature to help the dye to be more evenly distributed in the subsequent dyeing process;

[0085] Place the fabric in the dyeing machine and perform preliminary treatment to allow it to fully absorb the ingredients in the dye bath;

[0086] Add disperse dye to the dye liquor to start the dyeing process;

[0087] The circulation system in the dyeing machine allows the dye liquid and fabric to be fully mixed to ensure uniform dyeing;

[0088] Heat the dye liquor to 85°C and maintain the temperature for 10 minutes to promote dye penetration;

[0089] Continue to raise the temperature to 90°C and keep it warm for another 10 minutes to further promote the dyeing effect;

[0090] Raise the temperature to 130°C and maintain for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0091] Slowly cool down to 50℃ to avoid damage to the fabric caused by sudden temperature drop;

[0092] Drain the dye solution and prepare for the subsequent cleaning steps;

[0093] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0094] Wash with a reducing agent to further remove dye residue and ensure color fastness;

[0095] Neutralize the fabric to adjust the pH value and prevent damage to the fabric;

[0096] Rinse again with water to ensure the fabric is clean;

[0097] After all the treatments are completed, the fabric is taken out from the dyeing machine and goes to the next step of treatment or packaging.

[0098] The cotton dyeing process is:

[0099] Add dye and industrial salt to the dye bath at room temperature to help the dye spread more evenly on the fabric;

[0100] Place the cotton fabric in the dyeing machine and soak it for 15 minutes to fully absorb the ingredients in the dye bath;

[0101] Heat the dye liquor to 60°C to promote the penetration of the dye into the fabric;

[0102] Keep at 60℃ for 10 minutes to allow the dye to fully combine with the fabric;

[0103] Adding soda ash, usually to improve dyeing and adjust pH;

[0104] Keep at this temperature for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0105] Gradually lower the temperature to 40°C in preparation for the subsequent cleaning steps;

[0106] Drain the dye and prepare for cleaning;

[0107] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0108] Wash with soap to further remove dye residue and dirt;

[0109] Rinse again with water to ensure the fabric is clean;

[0110] Adjust the pH value of the fabric through neutralization treatment to avoid damage to the fabric;

[0111] After all the steps are completed, the fabric is taken out of the dyeing machine and goes to the next step of processing or packaging.

[0112] In summary, the one-piece polar fleece fabric prepared by the process of the present invention has excellent shape retention and drape, heat generation, warmth retention and antibacterial properties. The polar fleece effect is comprehensively formed by materials, textiles, dyeing and finishing. The mass ratio of the warp and weft 32S / DTY components and the parameters such as fineness, twist, warp and weft density during weaving are the main influencing factors; the subsequent pre-forming, dyeing processing, post-processing, and finishing processes directly affect the style, feel and texture of the finished fabric.

[0113] Embodiment 2:

[0114] The embodiment of the present invention provides a method for processing an integrated polar fleece thermal insulation fabric, comprising the following steps:

[0115] S1. Cotton / DTY two-component composite hollow yarn is woven into a one-piece polar fleece fabric; the cotton / DTY two-component composite stretch yarn of S1 is cotton / DTY 100D / 100F 150D / 100F composite hollow yarn, and its mass ratio is 7:15;

[0116] S2. Fabrics are dyed;

[0117] S3. Post-processing;

[0118] S4. Shaping and finishing.

[0119] The specific steps for S4 finalization are:

[0120] S4-1. Configure finishing liquid; the finishing liquid is a mixture of a raising agent and a polyorganosiloxane emulsion containing benzophenone + an antibacterial agent;

[0121] S4-2. Padded fabric; one dip and one roll, the liquid rolling rate is 90%

[0122] S4-3. High temperature drying and shaping, drying at 130°C for 80 seconds, and then baking at 190°C for 50 seconds.

[0123] The preparation method of the benzophenone-containing polyorganosiloxane emulsion is as follows:

[0124] Add 90g of D4, 5g of benzophenone-containing siloxane and 2g of KH-602 into a three-necked flask equipped with an electric stirrer, a thermometer and a reflux condenser, stir and mix evenly, and heat to above 90°C;

[0125] 0.2 g of tetramethylammonium hydroxide was added, and the temperature was maintained at 120° C. for 6 hours, and low-boiling substances were removed by reduced pressure distillation at a gauge pressure of 0.8 MPa, and then the temperature was raised to 140° C. to decompose the catalyst tetramethylammonium hydroxide, and then low-boiling substances were removed by reduced pressure distillation again at a gauge pressure of 0.8 MPa to obtain a colorless, transparent, viscous liquid, i.e., benzophenone-containing polyorganosiloxane;

[0126] The benzophenone-containing polyorganosiloxane is mixed with an emulsifier in a mass ratio of 10:1, and a mixture of water and acetic acid is added during stirring, and the solution is stirred until it becomes transparent to obtain a benzophenone-containing polyorganosiloxane emulsion. The emulsifier is composed of isomeric tridecyl alcohol polyoxyethylene ether (isomeric tridecyl alcohol polyoxyethylene ether includes isomeric tridecyl alcohol polyoxyethylene ether 1307 and isomeric tridecyl alcohol polyoxyethylene ether 1309, and the ratio of the two is 1:1) and AEO-9 in a mass ratio of 4:1.

[0127] The benzophenone-containing siloxane is prepared by an addition reaction of trimethoxyhydrogensilane and 2-hydroxy-4-propyleneoxybenzophenone, and the specific steps are as follows:

[0128] 28.2 g (0.1 mol) of 2-hydroxy-4-propyleneoxybenzophenone (CAS No.: 2549-87-3), 80 g of toluene and 0.12 g of platinum catalyst were added to a four-necked round-bottom flask equipped with a mechanical stirrer, a reflux condenser, a constant pressure dropping funnel and a nitrogen gas guide tube, and the temperature was raised to 85° C. and refluxed for 30 min under a nitrogen atmosphere;

[0129] Weigh 14.7 g (0.12 mol) of trimethoxysilane (CAS No.: 2487-90-3) and 10 g of toluene, mix thoroughly, add into a four-necked flask within 2 h using a constant pressure dropping funnel, then heat to 100 ° C and keep warm for 6 h, then cool down, distill unreacted monomers under reduced pressure at 0.01 MPa, complete the discharging, and obtain benzophenone-containing siloxane.

[0130] The raising agent is a fatty acid organic amine compound.

[0131] The dyeing process of S2 includes fabric pre-setting, singeing, refining, dyeing and washing, cotton dyeing, finishing and finishing.

[0132] The pre-forming process is: During the pre-forming process, the temperature of the equipment or environment is set to 200°C. This temperature helps soften the fiber, making it easier to be molded into a predetermined shape;

[0133] The fabric or product needs to be treated for 45 seconds to ensure that the heat fully penetrates and achieves the intended effect;

[0134] The fabric passes through the equipment at a speed of 22 meters per minute.

[0135] The singeing process is: a device that uses four burners, usually gas or other forms of heating devices, to evenly heat the fabric so that the wool fibers on the surface are burned off;

[0136] It means that the fabric is directly exposed to flame during the treatment process and is singed;

[0137] It means that during the singeing process, the fabric passes through the equipment at a speed of 75 meters per minute. This speed needs to be reasonably adjusted according to the characteristics of the fabric and the effect of singeing to ensure that the hairiness can be effectively removed without damaging the fabric.

[0138] The refining process conditions are as follows: take 2g / L of refining agent, 2g / L of caustic soda concentration and 3g / L of 50% hydrogen peroxide, the bath ratio is 1:6, the fabric is immersed in the refining treatment solution at room temperature, the temperature is increased to 110℃ at a rate of 1.5℃ / min, and after heat preservation treatment for 40 minutes, the temperature is lowered to below 50℃ at a rate of 2℃ / min, acid neutralized, and then washed twice with water until the fabric surface is neutral.

[0139] The dyeing and washing process is:

[0140] Adding leveling agents and buffers to the dye bath at room temperature to help the dye to be more evenly distributed in the subsequent dyeing process;

[0141] Place the fabric in the dyeing machine and perform preliminary treatment to allow it to fully absorb the ingredients in the dye bath;

[0142] Add disperse dye to the dye liquor to start the dyeing process;

[0143] The circulation system in the dyeing machine allows the dye liquid and fabric to be fully mixed to ensure uniform dyeing;

[0144] Heat the dye liquor to 85°C and maintain the temperature for 10 minutes to promote dye penetration;

[0145] Continue to raise the temperature to 90°C and keep it warm for another 10 minutes to further promote the dyeing effect;

[0146] Raise the temperature to 130°C and maintain for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0147] Slowly cool down to 50℃ to avoid damage to the fabric caused by sudden temperature drop;

[0148] Drain the dye solution and prepare for the subsequent cleaning steps;

[0149] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0150] Wash with a reducing agent to further remove dye residue and ensure color fastness;

[0151] Neutralize the fabric to adjust the pH value and prevent damage to the fabric;

[0152] Rinse again with water to ensure the fabric is clean;

[0153] After all the treatments are completed, the fabric is taken out from the dyeing machine and goes to the next step of treatment or packaging.

[0154] The cotton dyeing process is:

[0155] Add dye and industrial salt to the dye bath at room temperature to help the dye spread more evenly on the fabric;

[0156] Place the cotton fabric in the dyeing machine and soak it for 15 minutes to fully absorb the ingredients in the dye bath;

[0157] Heat the dye liquor to 60°C to promote the penetration of the dye into the fabric;

[0158] Keep at 60℃ for 10 minutes to allow the dye to fully combine with the fabric;

[0159] Adding soda ash, usually to improve dyeing and adjust pH;

[0160] Keep at this temperature for 45 minutes to ensure that the dye is completely fixed on the fabric;

[0161] Gradually lower the temperature to 40°C in preparation for the subsequent cleaning steps;

[0162] Drain the dye and prepare for cleaning;

[0163] Wash the dyed fabric with water to remove unabsorbed dye and other impurities;

[0164] Wash with soap to further remove dye residue and dirt;

[0165] Rinse again with water to ensure the fabric is clean;

[0166] Adjust the pH value of the fabric through neutralization treatment to avoid damage to the fabric;

[0167] After all the steps are completed, the fabric is taken out of the dyeing machine and goes to the next step of processing or packaging.

[0168] In summary, the one-piece polar fleece fabric prepared by the process of the present invention has excellent shape retention and drape, heat generation, warmth retention and antibacterial properties. The polar fleece effect is comprehensively formed by materials, textiles, dyeing and finishing. The mass ratio of the warp and weft 32S / DTY components and the parameters such as fineness, twist, warp and weft density during weaving are the main influencing factors; the subsequent pre-forming, dyeing processing, post-processing, and finishing processes directly affect the style, feel and texture of the finished fabric.

[0169] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for processing an integrated polar fleece thermal insulation fabric, characterized in that: The following steps are involved: S1. Cotton / DTY two-component composite hollow yarn is woven into a one-piece polar fleece fabric; S2. Fabrics are dyed; S3. Post-processing; S4. Shaping and finishing.

2. The processing method of the integrated polar fleece thermal insulation fabric according to claim 1, characterized in that: The specific steps of the shaping and finishing of S4 are as follows: S4-1 configuration finishing liquid; the finishing liquid is mixed with a raising agent and a benzophenone-containing polyorganosiloxane emulsion + antibacterial agent; S4-2. Padding fabrics; S4-3. High temperature drying and shaping: drying at 130℃ for 60-80 seconds, and then baking at 185-190℃ for 40-50 seconds.

3. The processing method of the integrated polar fleece thermal insulation fabric according to claim 2, characterized in that: The preparation method of the benzophenone-containing polyorganosiloxane emulsion is: Add 90g of D4, 5g of benzophenone-containing siloxane and 2g of KH-602 into a three-necked flask equipped with an electric stirrer, a thermometer and a reflux condenser, stir and mix evenly, and heat to above 90°C; 0.2 g of tetramethylammonium hydroxide was added, and the temperature was maintained at 120° C. for 6 hours, and low-boiling substances were removed by reduced pressure distillation at a gauge pressure of 0.8 MPa, and then the temperature was raised to 140° C. to decompose the catalyst tetramethylammonium hydroxide, and then low-boiling substances were removed by reduced pressure distillation again at a gauge pressure of 0.8 MPa to obtain a colorless, transparent, viscous liquid, i.e., benzophenone-containing polyorganosiloxane; The benzophenone-containing polyorganosiloxane and the emulsifier are mixed in a mass ratio of 10:1, and a mixture of water and acetic acid is added during stirring, and the mixture is stirred until the solution becomes transparent to obtain a benzophenone-containing polyorganosiloxane emulsion. The emulsifier is composed of isomeric tridecanol polyoxyethylene ether and AEO-9 in a mass ratio of 4:

1.

4. The processing method of the integrated polar fleece thermal insulation fabric according to claim 3 is characterized in that: The benzophenone-containing siloxane is prepared by an addition reaction between trimethoxyhydrogensilane and 2-hydroxy-4-propyleneoxybenzophenone, and the specific steps are as follows: 28.2 g of 2-hydroxy-4-propyleneoxybenzophenone, 80 g of toluene and 0.12 g of platinum catalyst were added to a four-necked round-bottom flask equipped with a mechanical stirrer, a reflux condenser, a constant pressure dropping funnel and a nitrogen gas guide tube, and the temperature was raised to 85° C. and refluxed for 30 min under a nitrogen atmosphere; Weigh 14.7 g of trimethoxysilane and 10 g of toluene, mix them thoroughly, and add them into a four-necked flask within 2 hours using a constant pressure dropping funnel. Then heat the mixture to 100°C and keep it for 6 hours. Then cool the mixture and distill the unreacted monomers under reduced pressure at 0.01 MPa to complete the discharging and obtain benzophenone-containing siloxane.

5. The processing method of the integrated polar fleece thermal insulation fabric according to claim 2, characterized in that: The raising agent is a fatty acid organic amine compound.

6. The processing method of the integrated polar fleece thermal insulation fabric according to claim 1, characterized in that: The cotton / DTY two-component composite stretch yarn of S1 is a cotton / DTY 100D / 100F 150D / 100F composite hollow yarn, and the mass ratio thereof is 7:

15.

7. The processing method of the integrated polar fleece thermal insulation fabric according to claim 1, characterized in that: The dyeing process of S2 includes the pre-setting, singeing, refining, dyeing, cotton dyeing, post-finishing and setting processes of the fabric.

8. The method for processing the integrated polar fleece thermal insulation fabric according to claim 7, characterized in that: The refining process conditions are as follows: taking 2 g / L of refining agent, 2 g / L of caustic soda concentration and 3 g / L of 50% hydrogen peroxide, with a bath ratio of 1:6, and treating at 110°C for 40 minutes.

9. The method for processing the integrated polar fleece thermal insulation fabric according to claim 7, characterized in that: The dyeing and washing process is: Adding leveling agents and buffers to the dye bath at room temperature to help the dye to be more evenly distributed in the subsequent dyeing process; Place the fabric in the dyeing machine and perform preliminary treatment to allow it to fully absorb the ingredients in the dye bath; Add disperse dye to the dye liquor to start the dyeing process; The circulation system in the dyeing machine allows the dye liquid and fabric to be fully mixed to ensure uniform dyeing; Heat the dye liquor to 85°C and maintain the temperature for 10 minutes to promote dye penetration; Continue to raise the temperature to 90°C and keep it warm for another 10 minutes to further promote the dyeing effect; Raise the temperature to 130°C and maintain for 45 minutes to ensure that the dye is completely fixed on the fabric; Slowly cool down to 50℃ to avoid damage to the fabric caused by sudden temperature drop; Drain the dye solution and prepare for the subsequent cleaning steps; Wash the dyed fabric with water to remove unabsorbed dye and other impurities; Wash with a reducing agent to further remove dye residue and ensure color fastness; Neutralize the fabric to adjust the pH value and prevent damage to the fabric; Rinse again with water to ensure the fabric is clean; After all the treatments are completed, the fabric is taken out from the dyeing machine and goes to the next step of treatment or packaging.

10. The method for processing the integrated polar fleece thermal insulation fabric according to claim 7, characterized in that: The cotton dyeing process is as follows: Add dye and industrial salt to the dye bath at room temperature to help the dye spread more evenly on the fabric; Place the cotton fabric in the dyeing machine and soak it for 15 minutes to fully absorb the ingredients in the dye bath; Heat the dye liquor to 60°C to promote the penetration of the dye into the fabric; Keep at 60℃ for 10 minutes to allow the dye to fully combine with the fabric; Adding soda ash, usually to improve dyeing and adjust pH; Keep at this temperature for 45 minutes to ensure that the dye is completely fixed on the fabric; Gradually lower the temperature to 40°C in preparation for the subsequent cleaning steps; Drain the dye and prepare for cleaning; Wash the dyed fabric with water to remove unabsorbed dye and other impurities; Wash with soap to further remove dye residue and dirt; Rinse again with water to ensure the fabric is clean; Adjust the pH value of the fabric through neutralization treatment to avoid damage to the fabric; After all the steps are completed, the fabric is taken out of the dyeing machine and goes to the next step of processing or packaging.