阅读说明：本技术 无折痕低弹轧光涂层复合整理涤纶印花织物 (Crease-free low-elasticity calendering coating composite finishing polyester printed fabric ) 是由 许尔明 于 2020-12-07 设计创作，主要内容包括：本发明涉及一种无折痕低弹轧光涂层复合整理涤纶印花织物,本发明解决现有技术的问题,其技术方案要点是,通过以下步骤制备而成：步骤一,坯布准备；步骤二,坯布退浆和染色；步骤三：将步骤二中染色好的织物送入定型机定型；步骤四：通过静电吸引的方式将长纤维按照预定的方向铺设后在进行轧光,轧光时的轧光温度至少160℃,轧点压力100吨,速度50M/min,通过两遍轧光；步骤五：进行涂层整理,涂层材料包括30%丙烯酸树脂、稀释剂甲苯、交联剂和促进剂,涂层材料中各组分的重量比为30%丙烯酸树脂：稀释剂甲苯：交联剂；促进剂等于100：15：3：0.5。(The invention relates to a crease-free low-elasticity calendering coating composite finishing polyester printed fabric, which solves the problems of the prior art and has the technical scheme key point that the crease-free low-elasticity calendering coating composite finishing polyester printed fabric is prepared by the following steps: step one, preparing grey cloth; desizing and dyeing the grey cloth; step three: feeding the dyed fabric in the step two into a setting machine for setting; step four: paving long fibers in a preset direction in an electrostatic attraction mode, then calendering, wherein the calendering temperature is at least 160 ℃, the pressure of a calendering point is 100 tons, the speed is 50M/min, and calendering is carried out twice; step five: and (3) performing coating finishing, wherein the coating material comprises 30% of acrylic resin, a diluent toluene, a cross-linking agent and an accelerator, and the weight ratio of each component in the coating material is 30% of acrylic resin: diluent toluene: a crosslinking agent; accelerator equal to 100: 15: 3: 0.5.)

1. A crease-free low-elasticity calendering coating composite finishing polyester printed fabric is characterized in that: the preparation method comprises the following steps:

step one, preparing grey cloth;

desizing and dyeing the grey cloth;

step three: feeding the dyed fabric in the step two into a setting machine for setting;

step four: paving long fibers in a preset direction in an electrostatic attraction mode, then calendering, wherein the calendering temperature is at least 160 ℃, the pressure of a calendering point is 100 tons, the speed is 50M/min, and calendering is carried out twice;

step five: and (3) performing coating finishing, wherein the coating material comprises 30% of acrylic resin, a diluent toluene, a cross-linking agent and an accelerator, and the weight ratio of each component in the coating material is 30% of acrylic resin: diluent toluene: a crosslinking agent; accelerator equal to 100: 15: 3: 0.5.

2. the crease-free low-elasticity calendering coating composite finishing polyester printed fabric according to claim 1, is characterized in that: in the first step, polyester fabric is selected, the warp and weft yarn specifications are 50/36F, the warp and weft density is more than 204, and the grey cloth is subjected to end sewing treatment.

3. The crease-free low-elasticity calendering coating composite finishing polyester printed fabric according to claim 1, is characterized in that: in the second step, the grey cloth connected in the first step is put into an overflow dyeing machine for desizing and dyeing, and reduction cleaning work is carried out after color matching; dyeing according to the specified color to be standard sample color with the color fastness of more than 4 grades.

4. The crease-free low-elasticity calendering coating composite finishing polyester printed fabric according to claim 1, is characterized in that: in the third step, the fabric dyed in the second step is subjected to width widening and weft straightening according to the following processes: the method is characterized in that the method is based on dyed base cloth, the cloth surface flatness is shaped and finished, the temperature of an oven of a shaping machine is set to 205-.

5. The crease-free low-elasticity calendering coating composite finishing polyester printed fabric according to claim 4, is characterized in that: in the third step, the weight ratio of the waterproof agents HH-651 and HX-80 resin to the catalyst is 5: 2: 0.8.

6. the crease-free low-elasticity calendering coating composite finishing polyester printed fabric according to claim 1, is characterized in that: and after the fifth step is finished, the breaking strength of the fabric is 1100N in the warp direction, 670N in the weft direction, the grade of the crease is 2-3, and the grade of the crease is 2-3 after the fabric is folded for 50 times.

Technical Field

The invention belongs to a polyester fabric, and relates to a crease-free low-elasticity calendering coating composite finishing polyester printed fabric.

Background

At present, the requirements of textile fabrics are increasingly high, and not only the popular styles and designs of the fabrics are required, but also the fabrics are required to have good performance. One of the important indexes for evaluating the performance of the fabric is the crease recovery performance of the fabric.

The crease recovery performance of fabric is measured by a plurality of methods, but most commonly, the crease recovery angle of a fabric folding sample is measured by folding and pressurizing a fabric sample with a specified shape and size under a certain atmospheric condition for a certain time, and measuring the recovery angle of the fabric after releasing the weight. The position of the crease line of the test piece for determining the recovery angle is classified into a horizontal method and a vertical method. On one hand, the horizontal method is a method for measuring a recovery angle by enabling a crease line to be parallel to a horizontal plane when the crease of the sample recovers; on the other hand, the vertical method is a method for measuring a recovery angle when a sample crease recovers and a crease line is vertical to a horizontal plane. The polyester fabric is firm and durable, has the characteristics of good elasticity, difficult deformation, corrosion resistance, good light fastness and the like, and is a chemical fiber textile fabric in daily life. The conventional process for producing pure polyester fabric comprises the following steps: grey cloth → dye vat deoiling shrink → grey cloth preshaping → dyeing → after finishing and shaping finished products. However, in practical production, cloth surface creases often appear when the process is adopted, and the creases are more serious especially when the fabric is dyed with deep colors.

Disclosure of Invention

The invention solves the problems that cloth surface creases appear frequently in the prior art, especially the creases are more serious when deep color is dyed, and provides a crease-free low-elasticity calendering coating composite finishing polyester printed fabric.

The technical scheme adopted by the invention for solving the technical problems is as follows: a crease-free low-elasticity calendering coating composite finishing polyester printed fabric is prepared by the following steps:

step one, preparing grey cloth;

desizing and dyeing the grey cloth;

step three: feeding the dyed fabric in the step two into a setting machine for setting;

step four: paving long fibers in a preset direction in an electrostatic attraction mode, then calendering, wherein the calendering temperature is at least 160 ℃, the pressure of a calendering point is 100 tons, the speed is 50M/min, and calendering is carried out twice;

step five: and (3) performing coating finishing, wherein the coating material comprises 30% of acrylic resin, a diluent toluene, a cross-linking agent and an accelerator, and the weight ratio of each component in the coating material is 30% of acrylic resin: diluent toluene: a crosslinking agent; accelerator equal to 100: 15: 3: 0.5.

the invention adopts the following raw materials: the crease resistance of the polyester printed fabric is improved by improving the process in the prior art, and the low-elasticity polyester fabric is additionally subjected to calendering treatment before coating treatment, so that the permeation of glue solution is reduced, and the crease phenomenon is greatly reduced after the coating is uniformly distributed. Meanwhile, the slender fibers on the surface of the cloth cover are finished through the light-bundling/coating composite finishing, the slender fibers are laid according to the preset direction, the penetration of glue solution is reduced, the crease phenomenon is greatly reduced after the coatings are uniformly distributed, and the finished product quality of the crease-free low-elasticity polyester printed silver-coated cloth is improved. In addition, there is a strong correlation between the fabric crease recovery angle and the DP grade, with the fabric crease recovery angle having a direct effect on the DP grade. The key technology is as follows: selecting 100% polyester fabric as base cloth, dyeing according to specified color to be standard sample color, carrying out cloth surface flatness shaping finishing on the basis of the dyed base cloth, carrying out single-roller calendering treatment on the shaped and finished base cloth, and coating on the calendered surface of the base cloth by adopting acrylate sizing. If the umbrella manufactured by the invention is adopted, the umbrella fabric can withstand the multiple attacks of 10 grades of typhoons and rainstorms, and the service life of the umbrella is prolonged. The product is subjected to the composite finishing by a pricking/coating, the calendering finishing process is added before the finishing of the coating, and in the calendering process, the slender fibers on the surface of the cloth cover are finished, the slender fibers are laid according to the preset direction, so that the penetration of glue solution can be obviously reduced, the crease phenomenon is greatly reduced after the coating is uniformly distributed, the DP grade of the fabric is greatly improved, the corresponding anti-wrinkle performance is also improved, and the crease resilience of the fabric is obviously superior to that of the conventional low-elasticity terylene silver adhesive fabric product.

Preferably, in the first step, a polyester fabric is selected, the warp and weft yarn specifications are 50/36F, the warp and weft density is more than 204, and the grey cloth is subjected to end sewing treatment.

Preferably, in the second step, the grey cloth spliced in the first step is put into an overflow dyeing machine for desizing and dyeing, and reduction cleaning work is performed after color matching; dyeing according to the specified color to be standard sample color with the color fastness of more than 4 grades.

Preferably, in the third step, the fabric dyed in the second step is subjected to width widening and weft straightening according to the following processes: the method is characterized in that the method is based on dyed base cloth, the cloth surface flatness is shaped and finished, the temperature of an oven of a shaping machine is set to 205-.

Preferably, in the third step, the weight ratio of the waterproof agent HH-651 to the resin HX-80 to the catalyst is 5: 2: 0.8.

preferably, after step five is completed, the breaking strength of the fabric is 1100N in the warp direction, 670N in the weft direction, the crease rating is 2-3, and the crease rating is 2-3 after 50 folds.

The substantial effects of the invention are as follows: the fabric product prepared by the method has the advantages that the service life is short, the product is subjected to the binding/coating composite finishing, the calendering finishing process is added before the coating finishing, the slender fibers on the surface of the cloth cover are finished in the calendering process, and the slender fibers are laid according to the preset direction, so that the permeation of glue solution can be obviously reduced, the crease phenomenon can be greatly reduced after the coating is uniformly distributed, the DP grade of the fabric is greatly improved, the corresponding crease resistance is also improved, and the crease resilience of the fabric is obviously superior to that of the conventional low-elasticity terylene silver adhesive cloth product.

Detailed Description

The technical solution of the present invention will be further specifically described below by way of specific examples.

Example 1:

a crease-free low-elasticity calendering coating composite finishing polyester printed fabric is prepared by the following steps:

step 1: preparing a gray fabric, selecting a polyester fabric, selecting the polyester fabric, wherein the warp and weft yarn specification is 50/36F, and the warp and weft density is more than 204, and performing end sewing treatment on the gray fabric.

Step 2: performing overflow dyeing, namely putting the grey cloth connected in the step 1 into an overflow dyeing machine for desizing and dyeing, and performing reduction cleaning after color matching; dyeing according to the specified color to be standard sample color with the color fastness of more than 4 grade; the dyeing process has no other special requirements.

And step 3: and (3) sizing and waterproofing, namely, widening the width and finishing the weft of the dyed fabric in the step (2) according to the following processes: and (4) carrying out fabric surface flatness shaping and finishing on the basis of the dyed base fabric. Setting the temperature of an oven of the setting machine at 205-. The raw materials are proportioned as follows during shaping production: the weight ratio of the waterproof agents HH-651 to HX-80 resin to the catalyst is 5: 2: 0.8.

and 4, step 4: and (3) calendering finishing, which is a technical key point of the whole product. The calendering finishing process is mainly used for enabling the cloth cover to be compact in structure and improving the glossiness of the coating surface. The calendering process is as follows: the calendering temperature is 160 ℃, the pressure of a nip point is 100 tons, and the speed is 50M/min; the best effect can be achieved by rolling twice at 205 ℃, and the integral style of the product is met. The key point is that the carding device is arranged in front of the calender: the carding device comprises a carding machine frame, the carding machine frame is arranged above the cloth conveying roller in a spanning mode, and at least one carding brush, an electrostatic field generator and a rotary pressing roller are arranged on the carding machine frame and are downward aligned with the cloth. The long and thin fibers on the surface of the cloth cover can be finished, the long fibers are laid in the preset direction, the penetration of glue solution is reduced, the crease phenomenon is greatly reduced after the coating is uniformly distributed, and the quality of the finished product of the crease-free low-elasticity polyester printed silver-coated cloth is improved.

And 5: coating finishing, which is another technical key point of the whole product, achieves the characteristics of the product through material screening and equipment adjustment. The coating material comprises 30% of acrylic resin, a diluent toluene, a cross-linking agent and an accelerator, wherein the weight ratio of each component in the coating material is 30% of acrylic resin: diluent toluene: a crosslinking agent; accelerator equal to 100: 15: 3: 0.5.

the breaking strength of the fabric manufactured by the embodiment is 1100N in the warp direction, 670N in the weft direction, the grade of crease is 2-3, and the grade of crease is 2-3 after the fabric is folded for 50 times.

The raw materials adopted in the embodiment are as follows: the crease resistance of the polyester printed fabric is improved by improving the process in the prior art, and the low-elasticity polyester fabric is additionally subjected to calendering treatment before coating treatment, so that the permeation of glue solution is reduced, and the crease phenomenon is greatly reduced after the coating is uniformly distributed. Meanwhile, the slender fibers on the surface of the cloth cover are finished through the light-bundling/coating composite finishing, the slender fibers are laid according to the preset direction, the penetration of glue solution is reduced, the crease phenomenon is greatly reduced after the coatings are uniformly distributed, and the finished product quality of the crease-free low-elasticity polyester printed silver-coated cloth is improved. In addition, there is a strong correlation between the fabric crease recovery angle and the DP grade, with the fabric crease recovery angle having a direct effect on the DP grade. The key technology is as follows: selecting 100% polyester fabric as base cloth, dyeing according to specified color to be standard sample color, carrying out cloth surface flatness shaping finishing on the basis of the dyed base cloth, carrying out single-roller calendering treatment on the shaped and finished base cloth, and coating on the calendered surface of the base cloth by adopting acrylate sizing. If the umbrella manufactured by the embodiment is adopted, the umbrella fabric can withstand the multiple attacks of 10 grades of typhoons and rainstorms, and the service life of the umbrella is prolonged. The product is subjected to the composite finishing by a pricking/coating, the calendering finishing process is added before the finishing of the coating, and in the calendering process, the slender fibers on the surface of the cloth cover are finished, the slender fibers are laid according to the preset direction, so that the penetration of glue solution can be obviously reduced, the crease phenomenon is greatly reduced after the coating is uniformly distributed, the DP grade of the fabric is greatly improved, the corresponding anti-wrinkle performance is also improved, and the crease resilience of the fabric is obviously superior to that of the conventional low-elasticity terylene silver adhesive fabric product.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.