阅读说明：本技术 一种抗皱仿真丝面料及其加工工艺 (Crease-resistant silk-like fabric and processing technology thereof ) 是由 施能欣 刘艳瑜 施少郎 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种抗皱仿真丝面料及其加工工艺,所述面料以抗皱PET纤维长丝和氨纶包芯纱的复合丝、真丝纱线为原料,所述抗皱PET纤维长丝和氨纶包芯纱的复合丝位于面料的外侧,真丝纱线位于面料的内侧,所述抗皱PET纤维长丝和氨纶包芯纱的复合丝完全覆盖真丝纱线。本发明对PET纤维长丝的纺丝浆与抗皱整理液混合后制备抗皱PET纤维长丝,能够使得显著提高面料的抗皱性能,提高面料的耐水洗性和服用性能。本发明的抗皱仿真丝面料,尺寸稳定、质地如真丝,手感爽滑,柔软舒适,具有良好的透湿性、透气性、抗皱性等特性。(The invention discloses an anti-wrinkle silk-like fabric and a processing technology thereof, wherein the fabric takes composite filaments of anti-wrinkle PET fiber filaments and spandex core-spun yarns and real silk yarns as raw materials, the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned at the outer side of the fabric, the real silk yarns are positioned at the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns. The invention mixes the spinning slurry of the PET fiber filament with the crease-resistant finishing liquid to prepare the crease-resistant PET fiber filament, which can obviously improve the crease-resistant performance of the fabric and the water washing resistance and the wearability of the fabric. The anti-wrinkle silk-like fabric disclosed by the invention is stable in size, like real silk in texture, smooth in hand feeling, soft and comfortable, and has the characteristics of good moisture permeability, air permeability, anti-wrinkle property and the like.)

1. The crease-resistant simulated silk fabric is characterized in that the fabric takes crease-resistant PET fiber filament and spandex core-spun yarn composite filament and real silk yarn as raw materials, the crease-resistant PET fiber filament and spandex core-spun yarn composite filament is positioned on the outer side of the fabric, the real silk yarn is positioned on the inner side of the fabric, and the crease-resistant PET fiber filament and spandex core-spun yarn composite filament completely covers the real silk yarn.

2. The anti-wrinkle artificial silk fabric according to claim 1, wherein the mass ratio of the anti-wrinkle PET fiber filament to the spandex core-spun yarn in the composite yarn of the anti-wrinkle PET fiber filament and the spandex core-spun yarn is 2-4: 1-3.

3. The crease-resistant simulated silk fabric according to claim 1, wherein the preparation of the crease-resistant PET fiber filaments comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

4. The anti-wrinkle silk simulation fabric according to claim 3, wherein the mass ratio of the PET slices to the viscose fibers is 2-5: 1.

5. The crease-resistant artificial silk fabric according to claim 3, wherein the crease-resistant finishing liquid comprises the following raw materials in parts by weight: 30 to 70 parts of citric acid, 5 to 10 parts of melamine resin, 3 to 5 parts of magnesium chloride and 2 to 4 parts of sodium hydroxide.

6. The anti-wrinkle artificial silk fabric according to claim 1, wherein the spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is a CoolMax filament, and the fineness of the CoolMax filament is 70 dtex-85 dtex.

7. The crease-resistant simulated silk fabric according to claim 6, wherein the preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling the spandex yarn and the smooth cotton fiber to prepare core layer yarn, controlling the viscosity of the core layer yarn to be 400-800 twists/m, placing the yarn in a warping frame, sizing the core layer yarn by a sizing machine and a dryer, and winding and coating the core layer yarn coated with the sizing agent by a core-spun yarn device and a CoolMax filament.

8. The crease-resistant silk-like fabric according to claim 6, wherein in the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 25 to 50 portions of phosphate starch slurry, 3 to 5 portions of citric acid, 2 to 5 portions of 1,2,3, 4-butanetetracarboxylic acid, 1 to 3 portions of arginine, 3 to 5 portions of polypropylene, 3 to 5 portions of polyethylene, 0.5 to 1 portion of maleic anhydride grafted polyethylene and 5 to 7 portions of glycerol.

9. The crease-resistant artificial silk fabric according to claim 6, wherein the draft multiple of the core layer yarn in the spandex core-spun yarn is 3-5 times, and the cladding degree of the spandex core-spun yarn is 600-660 circles/m.

10. The processing technology of the crease-resistant silk-like fabric according to any one of claims 1 to 9, characterized by comprising the following steps: the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

Technical Field

The invention relates to the technical field of fabrics, in particular to an anti-wrinkle silk-like fabric and a processing technology thereof.

Background

Real silk is called as 'fiber queen', the fabric is soft in luster, beautiful and light, soft in hand feeling and rich in elasticity, and has good air permeability and moisture absorption, but the real silk fabric is expensive, high in cost, easy to age and yellow, difficult to maintain, easy to wrinkle and easy to stick to bodies. The silk-like fabric is expensive, and is basically replaced by silk-like fabric, the silk-like fabric is a fabric close to silk, which is manufactured by combining various chemical fiber raw materials or by weaving, printing and dyeing and other processes, the silk-like fabric on the market is generally a light and thin fabric woven by superfine filaments of nylon, terylene and viscose fibers, special-shaped filaments and the like, and uneven small pits are corroded on the surface of the fibers by alkali decrement treatment in printing and dyeing, so that the ventilation effect is enhanced, the defects of stuffiness and impermeability of the terylene fibers are overcome, and then the water absorption of the fabric is enhanced by soft finishing and antistatic finishing, so that the clothing performance requirement of the silk is closer to that of the silk. However, most of the simulated silk fabrics have hard hand feeling, poor moisture absorption and moisture conductivity, easy wrinkling, poor elasticity and poor clothing feeling, and cannot meet the requirements of consumers.

Chinese patent CN101270522A discloses an anti-wrinkle silk-like fabric and a weaving method thereof, wherein the fabric adopts superfine polyester DTY as surface warp and nylon DTY as inner warp, and the silk-like fabric is imitated by adopting a polyester yarn embedded weaving type tissue structure method. However, the fabric adopting the method has the defects of easy generation of static electricity, poor moisture absorption and the like. Chinese patent CN107541841A discloses a preparation method of a polylactic acid filament silk-like fabric, wherein the fabric uses polylactic acid filaments with the linear density of 50-150 dtex as warp and weft yarns, or adopts polylactic acid filaments with the linear density of 50-150 dtex and mulberry silk as warp and weft yarns for interweaving, the warp density of an upper machine is 540-720 pieces/10 cm, the weft density of the upper machine is 400-550 pieces/10 cm, fabric weave plain weave, three upper and two lower right twills or five three fly satin weaves are configured to prepare fabric grey cloth, and the fabric grey cloth is prepared by refining, washing and drying and shaping to obtain a finished fabric product. However, the fabric has the defects of poor elasticity, easy wrinkling and the like.

Disclosure of Invention

In view of the above, the invention provides an anti-wrinkle silk-like fabric and a processing technology thereof, so as to solve the technical problems.

The invention provides the following technical scheme:

the anti-wrinkle imitated silk fabric is made of anti-wrinkle PET (polyethylene terephthalate) fiber filaments, spandex core-spun yarns and real silk yarns, wherein the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned on the outer side of the fabric, the real silk yarns are positioned on the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns.

Preferably, the mass ratio of the crease-resistant PET fiber filament to the spandex core-spun yarn in the composite filament of the crease-resistant PET fiber filament and the spandex core-spun yarn is 2-4: 1-3.

Preferably, the preparation of the anti-wrinkle PET fiber filament comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

More preferably, the mass ratio of the PET slices to the viscose fibers is 2-5: 1.

More preferably, the crease-resistant finishing liquid comprises the following raw materials in parts by weight: 30 to 70 parts of citric acid, 5 to 10 parts of melamine resin, 3 to 5 parts of magnesium chloride and 2 to 4 parts of sodium hydroxide.

Preferably, the spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is a CoolMax filament, and the fineness of the CoolMax filament is 70 dtex-85 dtex.

More preferably, the preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling the spandex yarn and the smooth cotton fiber to prepare core layer yarn, controlling the viscosity of the core layer yarn to be 400-800 twists/m, placing the yarn in a warping frame, sizing the core layer yarn by a sizing machine and a dryer, and winding and coating the core layer yarn coated with the sizing agent by a core-spun yarn device and a CoolMax filament.

More preferably, in the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 25 to 50 portions of phosphate starch slurry, 3 to 5 portions of citric acid, 2 to 5 portions of 1,2,3, 4-butanetetracarboxylic acid, 1 to 3 portions of arginine, 3 to 5 portions of polypropylene, 3 to 5 portions of polyethylene, 0.5 to 1 portion of maleic anhydride grafted polyethylene and 5 to 7 portions of glycerol.

More preferably, the draft multiple of the core layer yarn in the spandex core-spun yarn is 3 to 5 times, and the cladding degree of the spandex core-spun yarn is 600 to 660 turns/m.

The invention also aims to provide a processing technology of the anti-wrinkle silk-like fabric, which comprises the following steps:

the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

According to the technical scheme, the invention has the beneficial effects that:

the anti-wrinkle silk-like fabric disclosed by the invention is stable in size, like real silk in texture, smooth in hand feeling, soft and comfortable, has the characteristics of good moisture permeability, air permeability, anti-wrinkle property and the like, overcomes the defect that a pure silk-like PET (polyethylene terephthalate) fabric is easy to wrinkle and easy to pilling, is good in wearability, and can be applied to various fashionable dresses for women, silk towels and the like. The crease-resistant simulation silk fabric provided by the invention takes the composite silk of crease-resistant PET (polyethylene terephthalate) fiber filaments and spandex core-spun yarns and real silk yarns as raw materials, so that the fabric provided by the invention can keep good dimensional stability, has good moisture absorption and sweat releasing functions, and is low in cost compared with real silk fabrics. The invention mixes the spinning slurry of the PET fiber filament with the crease-resistant finishing liquid to prepare the crease-resistant PET fiber filament, which can obviously improve the crease-resistant performance of the fabric and the water washing resistance and the wearability of the fabric.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Example 1

Crease-resistant silk-like fabric and processing technology thereof

The anti-wrinkle simulation silk fabric is made of anti-wrinkle PET (polyethylene terephthalate) fiber filaments, spandex core-spun yarns and real silk yarns, wherein the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned on the outer side of the fabric, the real silk yarns are positioned on the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns.

The mass ratio of the crease-resistant PET fiber filament to the spandex core-spun yarn in the composite filament of the crease-resistant PET fiber filament and the spandex core-spun yarn is 2: 1. The preparation method of the anti-wrinkle PET fiber filament comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

The mass ratio of the PET slices to the viscose fibers is 2: 1. The crease-resistant finishing liquid comprises the following raw materials in parts by weight: 30 parts of citric acid, 5 parts of melamine resin, 3 parts of magnesium chloride and 2 parts of sodium hydroxide.

The spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, wherein the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is CoolMax filament, and the fineness of the CoolMax filament is 70 dtex.

The preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling spandex yarns and optical cotton fibers to prepare core layer yarns, controlling the viscosity of the core layer yarns to be 400 twists/m, placing the yarns in a warping frame, sizing the core layer yarns by a sizing machine and a dryer, and winding and coating the core layer yarns coated with the sizing agent by a core-spun yarn device and CoolMax filaments.

In the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 25 parts of phosphate starch slurry, 3 parts of citric acid, 2 parts of 1,2,3, 4-butanetetracarboxylic acid, 1 part of arginine, 3 parts of polypropylene, 3 parts of polyethylene, 0.5 part of maleic anhydride grafted polyethylene and 5 parts of glycerol. The drafting multiple of the core layer yarn in the spandex core-spun yarn is 3 times, and the cladding degree of the spandex core-spun yarn is 600 circles/m.

The processing technology of the anti-wrinkle silk-like fabric comprises the following steps:

the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

Example 2

Crease-resistant silk-like fabric and processing technology thereof

The anti-wrinkle simulation silk fabric is made of anti-wrinkle PET (polyethylene terephthalate) fiber filaments, spandex core-spun yarns and real silk yarns, wherein the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned on the outer side of the fabric, the real silk yarns are positioned on the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns.

The mass ratio of the crease-resistant PET fiber filament to the spandex core-spun yarn in the composite filament of the crease-resistant PET fiber filament and the spandex core-spun yarn is 2.5: 1.5. The preparation method of the anti-wrinkle PET fiber filament comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

The mass ratio of the PET slices to the viscose fibers is 3: 1. The crease-resistant finishing liquid comprises the following raw materials in parts by weight: 40 parts of citric acid, 6 parts of melamine resin, 3.5 parts of magnesium chloride and 2.5 parts of sodium hydroxide.

The spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, wherein the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is CoolMax filament, and the fineness of the CoolMax filament is 75 dtex.

The preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling spandex yarns and optical cotton fibers to prepare core layer yarns, controlling the viscosity of the core layer yarns to be 500 twists/m, placing the yarns in a warping frame, sizing the core layer yarns by a sizing machine and a dryer, and winding and coating the core layer yarns coated with the sizing agent by a core-spun yarn device and CoolMax filaments.

In the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 30 parts of phosphate starch slurry, 3.5 parts of citric acid, 3 parts of 1,2,3, 4-butanetetracarboxylic acid, 1.5 parts of arginine, 3.5 parts of polypropylene, 3 parts of polyethylene, 0.7 part of maleic anhydride grafted polyethylene and 5.5 parts of glycerol.

The drafting multiple of the core layer yarn in the spandex core-spun yarn is 3 times, and the cladding degree of the spandex core-spun yarn is 630 circles/m.

The processing technology of the anti-wrinkle silk-like fabric comprises the following steps:

the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

Example 3

Crease-resistant silk-like fabric and processing technology thereof

The anti-wrinkle simulation silk fabric is made of anti-wrinkle PET (polyethylene terephthalate) fiber filaments, spandex core-spun yarns and real silk yarns, wherein the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned on the outer side of the fabric, the real silk yarns are positioned on the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns.

The mass ratio of the crease-resistant PET fiber filament to the spandex core-spun yarn in the composite filament of the crease-resistant PET fiber filament and the spandex core-spun yarn is 3.5: 2. The preparation method of the anti-wrinkle PET fiber filament comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

The mass ratio of the PET slices to the viscose fibers is 4: 1. The crease-resistant finishing liquid comprises the following raw materials in parts by weight: 60 parts of citric acid, 8 parts of melamine resin, 4 parts of magnesium chloride and 3 parts of sodium hydroxide.

The spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, wherein the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is a CoolMax filament, and the fineness of the CoolMax filament is 80 dtex.

The preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling spandex yarns and optical cotton fibers to prepare core layer yarns, controlling the viscosity of the core layer yarns to be 700 twists/m, placing the yarns in a warping frame, sizing the core layer yarns by a sizing machine and a dryer, and winding and coating the core layer yarns coated with the sizing agent by a core-spun yarn device and CoolMax filaments.

In the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 40 parts of phosphate starch slurry, 4.5 parts of citric acid, 4 parts of 1,2,3, 4-butanetetracarboxylic acid, 2.5 parts of arginine, 4 parts of polypropylene, 4 parts of polyethylene, 0.8 part of maleic anhydride grafted polyethylene and 6.5 parts of glycerol.

The drafting multiple of the core layer yarn in the spandex core-spun yarn is 4 times, and the cladding degree of the spandex core-spun yarn is 650 circles/m.

The processing technology of the anti-wrinkle silk-like fabric comprises the following steps:

the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

Example 4

Crease-resistant silk-like fabric and processing technology thereof

The anti-wrinkle simulation silk fabric is made of anti-wrinkle PET (polyethylene terephthalate) fiber filaments, spandex core-spun yarns and real silk yarns, wherein the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns are positioned on the outer side of the fabric, the real silk yarns are positioned on the inner side of the fabric, and the composite filaments of the anti-wrinkle PET fiber filaments and the spandex core-spun yarns completely cover the real silk yarns.

The mass ratio of the crease-resistant PET fiber filament to the spandex core-spun yarn in the composite filament of the crease-resistant PET fiber filament and the spandex core-spun yarn is 4: 3. The preparation method of the anti-wrinkle PET fiber filament comprises the following steps: respectively putting the PET slices and the viscose into an oven for drying pretreatment; mixing the dried PET slices and viscose in a reaction kettle, and melting to obtain mixed slurry; and mixing the mixed slurry with the crease-resistant finishing liquid, blending and melting the mixture in a reaction kettle, extruding the mixture through a trilobal spinneret orifice of a double-screw extruder to obtain PET fibers, performing alkali decrement treatment, and drying to obtain the crease-resistant PET fiber filaments.

The mass ratio of the PET slices to the viscose fibers is 5:1. The crease-resistant finishing liquid comprises the following raw materials in parts by weight: 70 parts of citric acid, 10 parts of melamine resin, 5 parts of magnesium chloride and 4 parts of sodium hydroxide.

The spandex core-spun yarn comprises a core layer yarn and an outer layer yarn, wherein the outer layer yarn is wrapped and wound outside the core layer yarn, the core layer yarn is composed of spandex filaments and mercerized cotton fibers, and the content of the spandex filaments in the spandex core-spun yarn is less than or equal to 15%; the outer layer yarn is CoolMax filament, and the fineness of the CoolMax filament is 85 dtex.

The preparation method of the spandex core-spun yarn comprises the following steps: twisting and curling spandex yarns and optical cotton fibers to prepare core layer yarns, controlling the viscosity of the core layer yarns to be 800 twists/m, placing the yarns in a warping frame, sizing the core layer yarns by a sizing machine and a dryer, and winding and coating the core layer yarns coated with the sizing agent by a core-spun yarn device and CoolMax filaments.

In the process of sizing the core layer yarn, the sizing slurry in the sizing machine comprises the following raw materials in parts by weight: 50 parts of phosphate starch slurry, 5 parts of citric acid, 5 parts of 1,2,3, 4-butanetetracarboxylic acid, 3 parts of arginine, 5 parts of polypropylene, 5 parts of polyethylene, 1 part of maleic anhydride grafted polyethylene and 7 parts of glycerol.

The drafting multiple of the core layer yarn in the spandex core-spun yarn is 5 times, and the cladding degree of the spandex core-spun yarn is 660 circles/m.

The processing technology of the anti-wrinkle silk-like fabric comprises the following steps:

the crease-resistant PET fiber filament and spandex core-spun yarn are processed into composite yarn through a spinning process, the composite yarn and real silk yarn are woven through a plating process to obtain fabric grey cloth, and the fabric grey cloth is subjected to on-machine slitting, rolling, refining, washing and drying setting to obtain the crease-resistant simulation yarn fabric.

Test examples

In order to determine the performance of the crease-resistant silk-like fabric prepared by the invention, the performance tests are respectively carried out on the crease-resistant silk-like fabric prepared in examples 1-4:

the test results are shown in table 1:

TABLE 1

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.