86results about How to "Improve stiffness" patented technology

The invention provides a softening agent for acrylic finishing and a preparation method thereof. The softening agent comprises the following components in parts by weight: 12-15 parts of modified amino silicon oil, 8-10 parts of an emulsifier, 1-3 parts of glacial acetic acid, 12-16 parts of polyvinyl alcohol, 5-7 parts of terpolymer silicone oil, 12-15 parts of polyethylene glycol fatty acid ester, 2-3 parts of a stabilizer, 2-4 parts of a stiffness agent and 50-60 parts of water. The softening agent prepared by the invention can enable acrylic fibers to have better bulkiness, softness, elasticity and good stiff and smooth properties.

The invention provides a high-barrier aluminum-oxide-plated two-way stretching polylactic acid film and a preparation method thereof.The high-barrier aluminum-oxide-plated two-way stretching polylactic acid film comprises a plastic base layer and an aluminum oxide layer, and the film base layer is a three-layer co-extrusion two-way stretching film composed of a surface layer, a core layer and an inner layer in sequence; the inner layer is combined with the aluminum oxide layer; the surface layer and the inner layer are prepared from the following raw material components in percentage by mass: 81.5%-88.4% of polylactic acid, 10%-15% of a reinforcing agent, 1.5%-2.0% of a compatilizer and 0.1%-1.5% of an anti-blocking agent; the core layer is prepared from the following raw material components in percentage by mass: 63 to 68.5 percent of polylactic acid, 30 to 35 percent of reinforcing agent and 1.5 to 2.0 percent of compatilizer. The high-barrier aluminum-oxide-plated biaxially oriented polylactic acid film has excellent heat resistance, rigidity and stiffness and good transparency, and the application of the high-barrier PLA film in the field of food packaging is expanded.

The utility model provides a pre-shaped fabric, a glass fiber fabric compound and a wind power blade, and relates to the technical field of fiber products. The preset fabric comprises a fiber fabric and a plurality of resin structures, the fiber fabric comprises warp yarns, weft yarns and weaving yarns, the warp yarns and the weft yarns are oriented in different directions, and the weaving yarns bind the warp yarns and the weft yarns together; the multiple resin structures are arranged on the surface of the fiber fabric at intervals, each resin structure comprises at least two resin strips, the extending direction of one resin strip and the extending direction of the warp yarn form a first angle, the extending direction of the other resin strip and the extending direction of the weft yarn form a second angle, the first angle is 0-15 degrees, and / or the second angle is 0-15 degrees. And the second angle is 0-15 degrees. Therefore, the strength and the stiffness of the obtained product are improved, so that the risk of wrinkling is reduced.

The invention belongs to the technical field of PET (polyethylene terephthalate) film materials, and particularly discloses a PET heat-sealing film for blocking infrared rays and ultraviolet rays as well as a preparation method and application of the PET heat-sealing film. The PET heat-sealing film provided by the invention is of a multi-layer film structure and comprises a near-infrared and ultraviolet absorption layer, a transparent layer and a heat-sealing layer, wherein the near-infrared absorption layer and the ultraviolet absorption layer have an absorption effect on near-infrared rays and ultraviolet rays, so that the transmission of invisible light can be reduced, and the blocking effect of the film on radiation can be improved; the transparent layer takes optical-grade transparent PET as a preparation raw material, so that the transparency of the film can be improved, the stiffness of the film can be increased, and the winding effect can be improved; the heat sealing layer can endow the film with self-adhesion, so that the film can be directly compounded with glass at a high temperature, and the use of an adhesive is avoided. In addition, the preparation process of the PET heat-sealing film is simple, the operability is high, industrial production is easy to perform, and the PET heat-sealing film has good application prospects and high economic value.

The present invention discloses a valve film material, which is a multi-layer co-extruded film structure, including a first polyolefin functional layer, a second polyolefin functional layer and an intermediate barrier layer, the two sides of the intermediate barrier layer are respectively combined with the first polyolefin functional layer and the second polyolefin functional layer by an adhesive resin layer, and the intermediate barrier layer is a nylon barrier layer and / or an ethylene-vinyl alcohol copolymer barrier layer. The present invention also protects the valve film and the inflatable bag made of the valve film material, the inflatable bag includes an upper and lower bottom film and a valve film, the valve film is arranged at the opening between the upper and lower bottom films, and the upper and lower bottom films are made of a film material containing a nylon barrier layer or an ethylene-vinyl alcohol copolymer barrier layer. The product of the present invention has better barrier properties, significantly improved gas retention, and has the advantages of high strength, puncture resistance, low cost, etc.

The invention relates to corrugating base paper for a fruit box. The corrugating base paper comprises the following raw materials in percentage by weight: 65-75% of OCC pulp, 23-27% of broadleaf wood chemi-mechanical pulp and 5-8% of wood fibers. According to the invention, broadleaf wood chemi-mechanical pulp is added into OCC pulp to increase the fracture length of paper, wood fibers are added to increase the permeation of surface sizing starch, and the starch enhancer is introduced, so that in the starch gelatinization process, the starch enhancer can effectively weave a glucose chain of starch into a net-shaped structure, thereby remarkably improving the strength of the OCC pulp, optimizing the sizing effect of the starch, and improving the quality of the OCC pulp. The process of combining internal sizing and surface sizing is used, the moisture regain resistance of the paper on the end face and the surface is improved, the stiffness, bursting strength and ring crush compression resistance of the paper can be remarkably improved by using the production process, and the moisture regain resistance effect is good.

The invention belongs to the technical field of film materials, and particularly relates to a high-barrier polyethylene film and a preparation method thereof. The material consists of a polyethylene-based film layer, a coating barrier layer and an aluminum-plated layer, wherein the polyethylene-based film layer is prepared by combining nine layers of co-extruded films with a micro-stretching process; the coating blocking layer is composed of a water-based acrylic acid coating layer and a water-based polyvinyl alcohol coating layer which are connected in sequence, the polyvinyl base film layer is coated with the water-based acrylic acid coating layer, and the aluminum plating layer is plated on the water-based polyvinyl alcohol coating layer in a vacuum mode. The high-barrier polyethylene film material is good in barrier effect and can be recycled.

The utility model discloses mulberry silk / cotton fiber blended yarn which comprises core yarn, mulberry silk yarn and colored cotton fiber yarn. The mulberry silk yarn and the colored cotton fiber yarn wrap the outer side of the core yarn. The core yarn comprises fibrilia yarn and an antibacterial fiber layer wrapping the outer side of the fibrilia yarn. According to the mulberry silk / cotton fiber blended yarn, the hemp fiber yarn is used in the core yarn, and the rigidity and stiffness of the blended yarn can be effectively improved. And the used antibacterial fibers can improve the antibacterial effect of the blended yarn. The use of the colored cotton fiber yarns can ensure the hygroscopicity of the blended yarn and have abundant colors.

The invention relates to the technical field of heat transfer films, in particular to a hot stamping foil with a heat storage function for cloth and a preparation method of the hot stamping foil. The invention relates to an anti-counterfeiting film which comprises a base layer, the top end of the base layer is provided with a release layer, the top end of the release layer is provided with an aluminized layer, the top end of the aluminized layer is provided with a coloring layer, the top end of the coloring layer is covered with a gluing layer, and the gluing layer adopts an acrylic resin binder. The coloring layer is obtained by drying a coloring agent, and the coloring agent comprises environment-friendly dye, an organic solvent, polyurethane resin and an accelerant. By optimizing the dosage of the coloring agent, the type of the resin binder and the production process, the binding power, the antistatic performance and the heat storage performance of the hot stamping foil for the heat storage functional cloth are comprehensively improved. Due to the improvement of the comprehensive performance, the product can better meet the modern diversified market requirements, and can be applied to daily clothes decoration, warm-keeping articles and application scenes related to electronic equipment.

The utility model discloses a one-piece collar structure subjected to drawing and shaping treatment. The one-piece collar structure comprises a one-piece collar formed by sewing a collar surface, lining cloth and a collar bottom which are arranged in sequence, a folding line is arranged on the one-piece collar and divides the one-piece collar into a lapel part and a collar seat part. The collar surface, the lining cloth and the collar bottom which are made of specific materials are adopted to form the collar, the specific position of the collar is subjected to shrinking and drawing treatment, a naturally-attached three-dimensional structure is formed, the three-dimensional sense and stiffness of the collar part are enhanced, and the lasting shaping effect of the collar shape in the wearing process is achieved. The collar can be more tightly attached to the complex curve of the shoulders and the neck of the human body, the common problems of collar gaps and folds in a traditional splicing structure are solved, the appearance retentivity and stiffness of the suit collar type are improved, and the attaching feeling and the comfort degree of wearing are further optimized.

The utility model relates to sanitary towel technical field provides a sanitary towel of wing reinforcing type, solves the problem that the existing sanitary towel wing is easy to have structural breakage when taking down, the utility model discloses sanitary towel main part and the wing of symmetry that is equipped with sanitary towel main part both sides, each sanitary towel main part includes the flexible surface layer, the flow guide layer, the absorption layer and the bottom mould that set gradually from top to bottom, the absorption layer includes the absorption core and the wrapping layer that is wrapped in the absorption core outside, the flexible surface layer and the bottom mould extend to both sides and hold the reinforcing part, the reinforcing part and flexible surface layer, the bottom mould compound form each wing, and the sandwich wing is formed through the reinforcing part of flexible surface layer and bottom mould extension part direct clamping, solves the problem of traditional wing fracture.

The utility model discloses a kind of bubble organ waist pants type sanitary products, it is related to absorbent article technical field, including outer cladding component, outer cladding component includes outer layer sheet and inner layer sheet, outer layer sheet is in end portion and is inwardly folded to form first return portion to inner layer sheet direction, outer layer sheet top end is outwardly folded to form outer fold portion;First cavity is equipped between outer layer of outer fold portion and inner layer of outer fold portion, second cavity is equipped between outer layer sheet and inner layer sheet, third cavity is equipped between inner layer sheet and first return portion. Outer cladding component includes outer layer sheet and inner layer sheet, intermediate layer sheet is equipped between the two;Several sheet joint parts are equipped on outer cladding component with interval, fourth cavity is formed between outer layer sheet and intermediate layer sheet, fifth cavity is equipped between intermediate layer sheet and inner layer sheet. Through the improvement of outer cladding component, softness and air permeability are improved, stiffness of waist region outside material is increased, both organ effect and bubble effect can be realized.

The present application discloses an inorganic masterbatch and a method for manufacturing the same, and a polyethylene film using the masterbatch, and relates to the field of pearlescent film technology. The present application prepares an inorganic masterbatch by mixing ultrafine calcium carbonate and polyethylene resin, and the ultrafine calcium carbonate is evenly distributed inside the inorganic masterbatch, and the material strips are uniform and stable during production, without abnormal broken strips and other problems. The inorganic masterbatch is used to prepare a uniaxially stretched polyethylene film, which has a bright pearlescent effect and good stiffness. The film thickness (15μm-100μm) can be effectively controlled during the production process. In flexible packaging applications, it can replace pre-coated pearlescent BOPP film or BOPP pearlescent composite film, and improve the defects of poor stiffness and poor printing of traditional inflatable or chemically foamed polyethylene.

The invention discloses a hot-melt self-adhesive crochet yarn and a preparation method thereof, and belongs to the technical field of textiles. High-strength yarns are used as core warp yarns, and hot melting yarns are used as chaining warp yarns and weft insertion yarns; the core warp does not perform looping motion; the chaining warp yarns are located on two sides of the core warp yarns and looped to form chaining tissues, and crochet yarns are obtained through weft insertion knitting; and then carrying out hot melting treatment to obtain the hot-melting self-adhesive crochet yarn. The hot-melt self-adhesive crochet yarn prepared by the invention is good in shape retentivity and structural stability, simple in preparation process, low in cost, free of influence on hand feeling and the like.

The invention discloses a waste paper dry pulping production process for preparing craft paper, which comprises the following steps: firstly, treating a waste paper raw material through a hydraulic pulper, a high-concentration sand remover, a pulp tower, a coarse screen and a grading screen in sequence; the range of the mass ratio of the long fiber pulp to the short fiber pulp obtained by the grading screen treatment is (45: 55)-(40: 60), the long fiber pulp is sent to a long fiber working section, and the short fiber pulp is sent to a short fiber working section. According to the technical scheme provided by the invention, the proportion of the long fibers and the short fibers selected by grading screening is reasonable, so that the strength, the stiffness and other properties of the final finished product kraft linerboard can be well balanced, the waste paper dry grinding pulp can have good strength even if no wood pulp is added into the raw materials, and the quality of the kraft linerboard is improved. The bursting strength of the prepared finished kraft liner paper meets the required requirement, and the production cost is reduced.

This invention belongs to the field of papermaking and provides a high-efficiency antibacterial and mildew-resistant liquid crystal glass spacer paper and its preparation method. It includes: (1) Base paper preparation process: 100% bleached softwood pulp is selected as fiber raw material, pulped to 22-28°SR, without adding any wet end additives to ensure the cleanliness of the base paper, formed on the wire in the headbox, and then dewatered in the press section to obtain a basis weight of 48-52 g / m 2 (2) Surface treatment process: Select hydrophobically modified polyvinyl alcohol, mildew inhibitor and water-resistant agent to prepare surface sizing solution, the concentration of surface sizing solution is 2-4%, and apply sizing solution to the surface of the base paper, the amount of sizing is 0.8-2g / m 2 After drying in a drying cylinder, the material is calendered and then rolled to obtain a high-efficiency antibacterial and anti-mildew liquid crystal glass spacer. The liquid crystal glass spacer prepared by this method has good hydrophobic properties and anti-mildew effect, while also taking into account the characteristics of high cleanliness, low electrical conductivity, and high surface strength.

A laser-ultrahigh frequency pulse arc hybrid welding device comprises a welding gun arranged on a motion execution mechanism, a laser welding head, and an ultrahigh frequency pulse current generating device, a welding power supply and a laser which are respectively connected with the laser welding head, wherein the motion executing mechanism, the welding power source and the laser are connected with the control module to transmit and control laser parameters, motion parameters and electric arc welding parameters, laser beams generated by the laser are input into the laser welding head through optical fibers, and the ultrahigh-frequency pulse current generating device generates ultrahigh-frequency pulse welding current and is connected with the welding power source in parallel. The output end of the welding power source is connected with the welding gun and the workpiece to form a loop, and therefore high-frequency compression electric arcs are generated between the welding gun and the workpiece. The stiffness and stability of the electric arc are improved through the ultrahigh frequency pulse current and the high-frequency compression effect of the ultrasonic electric arc.

The invention relates to the technical field of cigarette packaging, in particular to low-gram-weight coated paper and application of the low-gram-weight coated paper in cigarette carton packaging. The low-gram-weight coated paper comprises a paper substrate and a coating arranged on at least one surface of the paper substrate, a material for forming the paper substrate comprises wood flour; materials for forming the coating comprise microcapsules and a binder, shells of the microcapsules comprise urea resin, and cores of the microcapsules comprise epoxy resin. According to the invention, wood flour in a paper substrate, a shell in a coating comprising urea resin and a core comprising microcapsules of epoxy resin are utilized to synergistically obtain a network structure with rigid supporting points, and the network structure with the rigid supporting points is helped to be uniformly infiltrated in the paper substrate in cooperation with the use of a binder; therefore, the paper-plastic composite paper with better stiffness is obtained.

The invention belongs to the technical field of biodegradable materials, and discloses a PBAT / starch / coffee residue biodegradable composite material as well as a preparation method and application thereof. The composite material is prepared from the following components in parts by mass: 50 to 150 parts of PBAT, 20 to 50 parts of high-straight-chain thermoplastic starch, 5 to 20 parts of coupled coffee ground micro powder, 1 to 5 parts of an anti-blocking agent and 1 to 10 parts of a compatilizer. The method for preparing the high-amylose thermoplastic starch, the coupled coffee residue micro powder and blending the high-amylose thermoplastic starch, the coupled coffee residue micro powder and the PBAT step by step is low in energy consumption and high in mixing efficiency, the prepared composite material is excellent in performance, the tensile strength can reach 25-26.9 MPa, the elongation at break can reach 368-429%, and good application prospects are achieved.

The utility model discloses a recoverable composite protective film which comprises a base material layer which is a polypropylene composite film; the adhesive layer is an organic silicon pressure-sensitive adhesive and is connected with the base material layer; the base material layer comprises a laminated structure formed by compounding a casting polypropylene layer and a biaxially oriented polypropylene layer, the biaxially oriented polypropylene layer comprises a high-temperature-resistant surface layer, nano textures are arranged on the surface of the high-temperature-resistant surface layer, and the adhesive layer is connected with the high-temperature-resistant surface layer. The recoverable composite protective film is reasonable in structure, the stiffness and mechanical performance of the protective film are improved through the protective film compounded by the casting polypropylene layer and the biaxially oriented polypropylene layer, the practicability and durability of the protective film are optimized, the thermal stability of the protective film structure is improved by combining the high-temperature-resistant surface layer, and the service life of the protective film is prolonged. The phenomenon that the protective film is warped when the adhesive layer is cured is prevented; the recoverability of the protective film is also realized; the adhesiveness between the base material layer and the adhesive layer is improved through the nanometer textures, the heat of the light energy part is reduced through light reflection, and the thermal stability of the protective film structure is further improved.

The invention discloses a tear-resistant biodegradable film bag modified material and a preparation method thereof, and relates to the technical field of packaging materials. The tear-resistant biodegradable film bag modified material is prepared from the following components in parts by weight: 50 to 80 parts of poly (adipic acid) / butylene terephthalate, 1 to 10 parts of L-lactide-co-epsilon-caprolactone, 5 to 35 parts of anhydrous calcium sulfate, 0.3 to 1 part of a lubricating agent, 0.2 to 1 part of a dispersing agent, 0.3 to 1 part of a compatilizer and 0.2 to 1 part of an antioxidant, and the length-diameter ratio of the anhydrous calcium sulfate is 1-10 [mu] m. The anhydrous calcium sulfate is used as the filling material, and the L-lactide-co-epsilon-caprolactone is used as the reinforced resin, so that the obtained film bag modified material has good tear resistance, is particularly suitable for film blowing bag making under the condition that the blow-up ratio is less than 1: 1, can obviously improve the problem of poor tear of blown small films and narrow bags, and also can reduce the filling cost.

This invention relates to a method for desiliconizing green liquor in papermaking, belonging to the field of papermaking pulping chemical regeneration technology. This method aims to solve the technical problem in existing technologies where direct carbon dioxide is introduced into green liquor for desiliconization, resulting in the formation of colloids from the generated silicic acid, making subsequent solid-liquid separation difficult. The key points of the technical solution are: first, solid-liquid separation of the green liquor is performed to obtain a clear green liquor; then, white mud slurry is added to the clear liquor as seed crystals, and carbon dioxide gas is introduced to carry out a carbonization reaction, generating an easily separable silicon-containing suspension; next, solid-liquid separation is performed on the silicon-containing suspension to obtain a silicon-containing filter cake and a causticizing mother liquor; finally, calcium hydroxide is added to the causticizing mother liquor to carry out a causticizing reaction, obtaining white liquor and recyclable white mud slurry. This method is mainly applied to the desiliconization and purification of green liquor during the alkali recovery process in papermaking, and can utilize carbon dioxide in industrial flue gas to achieve carbon resource utilization; the separated silicon-containing filter cake can be further processed into activated calcium silicate products.

The utility model discloses a knapsack with a stabilizing function, which comprises a knapsack main body which is of a barrel-shaped structure with an upper opening and is provided with an accommodating space for accommodating articles; the knapsack cover is connected with the knapsack main body at an upper opening through a zipper; the shoulder straps are fixedly connected with the rear part of the backpack main body and are used for carrying the backpack; two zipper pullers are arranged on the zipper, and pulling pieces are arranged on the zipper pullers; and a synthetic leather plate parallel to the rear panel is fixedly arranged in the accommodating space in the backpack main body. The two zipper pullers are arranged at the zipper connecting the backpack body and the backpack cover, so that the zipper can be opened in two directions, and articles in the backpack can be taken out conveniently. The synthetic leather plate is arranged in the containing space in the backpack body, and the synthetic leather plate has high stiffness, so that the backpack is not prone to deformation, and articles in the backpack can be taken out conveniently.

The invention discloses a preparation method of an aluminum foil PI composite film with a high-density structure and the composite film prepared by the method. The composite film comprises three layers of structures: an upper layer is a thermosetting rigid polyimide composite film, a middle layer is an aluminum layer, and a lower layer is a thermoplastic flexible polyimide adhesive film; the upper layer is prepared from the following raw materials: 4, 4 '-diaminodiphenyl methane (PDA), 3, 3', 4, 4 '-biphenyl tetracarboxylic dianhydride (BPDA), graphene and silicon dioxide; the middle layer is an aluminum layer through vacuum sputtering and electroplating; the lower layer comprises the following raw materials: 3, 3 '-diaminodiphenyl sulfone (3, 3'-DDS), 1, 3-bis (4-aminophenoxy) benzene (1, 3, 4-APB) and 4, 4 '-oxydiphthalic anhydride (ODPA); the cable has the effects that the cable has excellent EMI shielding performance and good mechanical performance; the rigidity and stiffness of the film are effectively improved, the bonding effect is good, and hot-pressing bonding can be directly carried out.

The invention discloses an anti-aging essential oil patch and a preparation method thereof.The essential oil patch comprises a non-woven fabric, a bonding layer, an anti-seepage layer, an organic silica gel bonding layer and a release film which are sequentially stacked, essential oil is loaded on the non-woven fabric, the anti-seepage layer is connected with the bonding layer through melting and hot pressing, the anti-seepage layer is made of PET and can resist oil, dilute acid and dilute alkali, and the anti-aging essential oil patch is good in anti-aging effect and good in anti-aging effect. Good essential oil permeation prevention performance is achieved, and direct contact between the essential oil and the organic silicon gel adhesive layer is avoided. When PET cannot completely prevent essential oil from permeating, or the essential oil is volatilized and dissolved in an organic silicon gel adhesive layer, due to the fact that organic silicon gel is formed by connecting macromolecules through silicon-oxygen bonds, high-temperature resistance, aging resistance and solvent resistance can be achieved, a three-dimensional cross-linked network structure is formed through hydrogenation addition reaction, and the mechanical property of the film is improved. According to the essential oil patch, the organic silicon gel adhesive layer in which essential oil is dissolved still has good cohesion, so that the essential oil patch still has relatively high viscosity in a long-term storage process.

The utility model discloses a paper film for pouring concrete, and belongs to the technical field of concrete forming. The paper film comprises a paper film main body, wherein the paper film main body comprises a waterproof film layer, a craft paper layer, a first plastic bonding layer, a wire clamping layer, a second plastic bonding layer and an aluminum laminated film layer; and an aluminum laminated film layer is arranged on the outer side of the second plastic bonding layer. The paper film is simple in overall structure, easy to form and low in use cost, the aluminum laminated film layer can resist aging and can provide low moisture permeability for the paper film body, the craft paper layer serves as a main pressure bearing layer, the overall thickness and stiffness can be increased, the paper film is not prone to breakage, and the strength requirement in the concrete pouring and forming process can be met; the wire clamping layer is used for enhancing the performance and prolonging the service life of the paper film main body, the strength characteristic of the paper film main body can be obviously improved, and the external expansion resistance is increased, so that the paper film main body is high in strength and toughness, can be applied to building construction, and has a good market prospect.

The application provides a food packaging recycled film regenerated geomembrane and a preparation method thereof. The food packaging recycled film regenerated geomembrane comprises an outermost layer, an intermediate layer and an innermost layer arranged in sequence. The outermost layer and the innermost layer are symmetrically distributed with the intermediate layer as an axis. The outermost layer and the innermost layer comprise, by weight percentage, 85.0-95.0% of high-density polyethylene, 1.0-10.0% of medium-density polyethylene, 1.0-5.0% of a first compatilizer and 0.5-2.0% of silane modified montmorillonite. The intermediate layer comprises 75.0-93.0% of food packaging recycled film, 5.0-20.0% of a second compatilizer and 2.0-8.0% of ethylene-vinyl acetate copolymer. On the basis of the silane modified montmorillonite, the PA and PET in the food packaging recycled film can improve the mechanical properties such as stiffness and strength of the geomembrane. Thus, the geomembrane has good performance in all aspects and can be used as a replacement product of the virgin geomembrane.

The utility model discloses a shirt front part upright structure, which belongs to the technical field of clothes and comprises a collar stand and a collar sewn with an upper opening line of the collar stand, and a lower opening line of the collar stand is sewn with a front part collar stand connector. The collar comprises a collar lining, a collar surface and an adhesive interlining fixed between the collar lining and the collar surface, the edges of the same sides of the collar lining and the collar surface are aligned and sewn to an upper opening line of the collar stand, the width L1 of the collar surface is larger than the width L2 of the collar lining, and half of the width L3 of the collar is larger than the width L4 of the collar stand. The adhesive interlining can enhance the stiffness and structural stability of the collar and avoid soft collapse and deformation; l1gt; the proportion of L2 can balance the resilience stress of the fabric, so that the edge warping of the collar is inhibited from the source, and the collar is ensured to be flatly attached to the neckline of the garment body; due to the size design that one half of the width L3 of the collar is larger than the width L4 of the collar base, after the collar base is fixed, the expansion potential energy of the collar is converted into continuous forward supporting force, the upper section of the front fly is prevented from collapsing inwards, and finally the upright regularity, wearing practicability and wearing delicate feeling of the front fly of the shirt are improved.

The invention discloses a high-quality oversized scene-penetrating roller shutter fabric and a manufacturing method thereof. The manufacturing method comprises the following steps: S1, warp yarns are 600D polyester composite yarns; the weft yarns are single 600D micro-net low-elasticity interlaced yarns; s2, weaving gray fabric according to a 1 / 1 plain weave structure; s3, performing pre-shaping treatment on the gray fabric; s4, performing cloth refining treatment on the grey cloth by using a specific cloth refining auxiliary agent formula and process parameters; s5, dyeing the grey cloth to obtain colored cloth; s6, the color cloth is subjected to tentering setting, and the set specification requirement is met; s7, performing blade coating, pre-drying, baking and cooling treatment on the front surface and the back surface of the fabric to obtain the scene-penetrating roller shutter fabric with zero appearance defect. According to the invention, through a plurality of fine process designs, from the aspects of yarn selection, weaving, pre-shaping, cloth refining, dyeing, re-shaping, slurry scraping treatment and the like, the problems of network lines, dot splitting, wrinkle marks, crack marks and the like in the prior art are systematically solved, and the high-quality oversized scene-penetrating roller shutter fabric is produced.

According to the high-stiffness white polyester film, the reflecting film is of an ABA three-layer co-extrusion structure, and the A layer is a dodging layer and comprises the following components in percentage by weight: 10-96% of functional master batch, 0-86% of polyester chips, 2% of antistatic master batch and 2% of flexibilizer; the layer B is a functional layer and comprises the following components in percentage by weight: 40-60% of incompatible resin master batch, 5-30% of inorganic functional master batch and 10-50% of polyester chips; the percentage content is weight percentage. The COC master batch is selected as the incompatible resin in the functional layer of the reflective film, and the prepared reflective film has the characteristics of high density and good stiffness.