CN117926484A - Terylene and nylon composite textured yarn and preparation method thereof - Google Patents
Terylene and nylon composite textured yarn and preparation method thereof Download PDFInfo
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- 239000003431 cross linking reagent Substances 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 26
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
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Abstract
The application relates to the technical field of spinning, in particular to a terylene and chinlon composite textured yarn and a preparation method thereof; a terylene and chinlon composite elasticized yarn is obtained by elasticizing a super absorbent terylene and chinlon composite yarn; the super absorbent polyester-nylon composite yarn comprises the following raw materials in parts by weight: 50-70 parts of polyester-nylon composite yarn and 30-50 parts of super absorbent fiber; the super absorbent fiber comprises the following raw materials in parts by weight: 10-30 parts of chitin fiber, 40-60 parts of cotton fiber, 13-23 parts of soybean fiber, 11-26 parts of super absorbent material and 5-16 parts of first gelatin; the super absorbent material comprises the following raw materials in parts by weight: 15-25 parts of chitosan, 4-9 parts of soybean protein, 10-18 parts of collagen and 20-30 parts of second gelatin; according to the application, the raw materials of the terylene-chinlon composite textured yarn are improved, so that the water absorption efficiency and the moisture permeability of the terylene-chinlon composite textured yarn are greatly improved.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a terylene and chinlon composite textured yarn and a preparation method thereof.
Background
With the rapid development of high and new technology and the continuous improvement of the living demands of people, the requirements on natural fibers and chemical fibers are not only to have good mechanical properties, heat resistance, wear resistance and other basic properties, but also to have different functional characteristics, so that the fibers and fabrics thereof can meet the diversified demands of industrial use.
The polyester-nylon composite fiber is produced by a composite spinning technology, is formed by melt spinning of two components of polyester and nylon in a certain form, and is formed by melt spinning in a certain proportion in the production process by utilizing the characteristics of large chemical structure difference, large physical and chemical property difference, weak interfacial bonding force and mutual separation of the two components, so that the prepared polyester-nylon composite fiber has the characteristics of good softness, good shape retention, no iron and the like of the polyester, and also retains the advantages of wear resistance, high strength, easiness in dyeing, moisture absorption and the like of the nylon, thereby being widely applied.
At present, although the polyester-nylon composite fiber has a certain moisture absorption effect when being applied, the prepared polyester-nylon composite fiber cannot meet higher industrialization requirements due to limited moisture absorption efficiency of nylon, so that how to improve the moisture absorption performance of the nylon composite fiber is a problem to be solved urgently.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a terylene and chinlon composite textured yarn and a preparation method thereof.
In a first aspect, the application provides a polyester and nylon composite textured yarn, which adopts the following technical scheme:
a terylene and chinlon composite elasticized yarn is obtained by elasticizing a super absorbent terylene and chinlon composite yarn; the super absorbent polyester-nylon composite yarn comprises the following raw materials in parts by mass: 50-70 parts of polyester-nylon composite yarn and 30-50 parts of super absorbent fiber;
the super absorbent fiber comprises the following raw materials in parts by weight: 10-30 parts of chitin fiber, 40-60 parts of cotton fiber, 13-23 parts of soybean fiber, 11-26 parts of super absorbent material and 5-16 parts of first gelatin;
The super absorbent material comprises the following raw materials in parts by weight: 15-25 parts of chitosan, 4-9 parts of soybean protein, 10-18 parts of collagen and 20-30 parts of second gelatin.
According to the application, the raw materials of the super absorbent fibers are modified, and the chitin fibers, the cotton fibers and the soybean fibers with high moisture absorption performance are added, so that the moisture absorption efficiency and the moisture conductivity of the polyester and nylon composite textured yarn are greatly improved.
According to the application, the raw materials of the super absorbent fibers are improved, and the super absorbent materials are added in the process of preparing the super absorbent fibers, so that the water absorption efficiency and the moisture permeability of the polyester and nylon composite textured yarn are greatly improved.
According to the application, through improving the raw materials of the super absorbent material, the added soybean protein enables the fiber to have the advantages of moisture permeability, air permeability, warmth retention, soft and smooth hand feeling, good drapability, small static electricity and the like, so that the comprehensive performance of the terylene and chinlon composite textured yarn is greatly improved, and in addition, the soybean protein contains a large amount of amino acids and has good compatibility with human skin.
According to the application, through improving the raw materials of the high-water-absorptivity fiber, the added collagen is type I collagen, so that the fiber has excellent tensile property, the tensile force of the fiber is improved, and meanwhile, the problems of coarser fiber surface and slow moisture release are solved, so that the fiber can be quickly transferred to the outer surface of the fiber after absorbing water and then quickly evaporated; the added collagen coats the fibers, so that the problem of moisture absorption and expansion of the fibers is remarkably improved, gaps among the fibers are increased, the collagen film enables the surfaces of the fibers to be smooth, the resistance of water transmission is reduced, the migration of water is accelerated, and the moisture conductivity of the polyester and nylon composite textured yarn is improved.
According to the application, the raw materials of the super absorbent material are improved, and chitosan is added, so that the super absorbent material has better water absorption, higher hygroscopicity, good surface touch and other performances because the chitosan macromolecular chain contains a large number of hydroxyl groups, amino groups and other hydrophilic groups, and meanwhile, the chitosan also has the skin moisturizing and moisturizing performances.
Preferably, the super absorbent material further comprises 14-25 parts by mass of epichlorohydrin and 5-11 parts by mass of diethylenetriamine.
According to the application, through improving the super absorbent material, epichlorohydrin and diethylenetriamine are added, the added epichlorohydrin and diethylenetriamine undergo interfacial polymerization, and chitosan, soy protein, collagen and a second part of gelatin are coated to form microcapsules, so that the microcapsule material with high water absorption performance can be obtained.
Preferably, the preparation process of the super absorbent material is as follows:
(1) Reacting chitosan, soybean protein, collagen and a cross-linking agent;
(2) Adding a second part of gelatin for reaction, and then adding a cross-linking agent and a plasticizer for reaction;
(3) After adding epichlorohydrin for reaction, adding diethylenetriamine for reaction, and obtaining the super absorbent material.
Preferably, the crosslinking agent is added in the amount of 1 to 3 parts by mass in the step (1).
Preferably, the cross-linking agent added in step (1) is glyoxal or glutaraldehyde.
Preferably, the crosslinking agent in the step (2) is added in an amount of 1 to 4 parts by mass; the plasticizer is added in an amount of 1 to 3 parts by mass.
Preferably, the cross-linking agent added in step (2) is dialdehyde carboxymethyl cellulose.
Preferably, the plasticizer added in step (2) is glycerol.
According to the application, after chitosan, soybean protein and collagen are mixed, a cross-linking agent is added for modification to obtain a mixture with moisture-conducting performance, and the prepared mixture reacts with a second part of gelatin to prepare a film with the moisture-conducting performance; the prepared film is modified by a cross-linking agent and a plasticizer to obtain a film material with moisture conductivity, tensile strength and thermal stability, the prepared film material reacts with epoxy chloropropane and diethylenetriamine, the epoxy chloropropane and the diethylenetriamine undergo interfacial polymerization, and the film material is coated to form microcapsules, so that the high water absorption material is prepared.
Preferably, the preparation process of the super absorbent fiber comprises the following steps: mixing the super absorbent material and the first part of gelatin, adding chitin fiber, cotton fiber and soybean fiber, mixing, and treating by a plasma pretreatment step to obtain the super absorbent fiber.
Preferably, the reaction condition of the plasma pretreatment step is that the vacuum degree is 40-60Pa, the power is 220-280W, the reaction time is 400-500s, and the oxygen gas flow is 200-250mL/min.
According to the application, the plasma pretreatment step is adopted for treatment, the radiation and physical action of the plasma on the fiber can cause cracks on the surface of the fiber, the added high water absorption material fills the cracks on the surface of the fiber and between the fibers under the action of the first part of gelatin, and a moisture-conducting layer with high moisture-conducting performance is formed on the surfaces of the chitin fiber, the cotton fiber and the soybean fiber, so that the water absorption efficiency and the moisture-conducting performance of the composite fiber are greatly improved.
According to the application, the plasma pretreatment step is adopted for treatment, and a large number of polar groups are introduced into the surface of the fiber after oxygen is contacted with the fiber, so that the hygroscopicity, the crease resistance and the tensile breaking strength of the fiber are further improved, the bending stiffness of the fiber is reduced, and the hand feeling and the comfort of the fiber are improved.
In a second aspect, the application provides a preparation method of a terylene and chinlon composite textured yarn, which adopts the following technical scheme:
The preparation method of the terylene and chinlon composite textured yarn comprises the following steps:
preparing the polyester-nylon composite yarn and the super absorbent fiber according to the proportion to obtain the super absorbent polyester-nylon composite yarn;
and (3) carrying out texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain the polyester-nylon composite textured yarn.
In summary, the present application includes at least one of the following beneficial technical effects:
The application discloses a terylene and chinlon composite textured yarn and a preparation method thereof.
Detailed Description
The raw materials related to the application are all commercial products, wherein,
Chitosan (CTA, degree of deacetylation 86.2%, relative molecular mass 70000);
The molecular weight of the soybean protein is 194.2319;
collagen has a molecular weight of 30 ten thousand and is purchased from Chuangler biological Co., ltd;
Gelatin molecular weight 10000-70000;
The dialdehyde carboxymethyl cellulose is dialdehyde carboxymethyl cellulose DCMC;
chitin fiber, 1.5d×38mm, purchased from peninsula ready-to-send group stock company, inc;
soybean fiber, available from Jiangsu Miao biosciences, inc. CAS 9010-10-0;
The present application will be described in further detail with reference to examples and comparative examples.
Preparation example:
preparation example 1:
The preparation process of the super absorbent material comprises the following steps:
(1) Placing 20g of chitosan, 6g of soybean protein and 15g of collagen in a beaker, adding 100mL of distilled water for dilution, adding 2g of cross-linking agent, and continuously stirring until uniformity is achieved; the cross-linking agent is glutaraldehyde;
(2) Adding 25g of second gelatin for reaction, and adding 3g of cross-linking agent and 2g of plasticizer for reaction; the cross-linking agent is dialdehyde carboxymethyl cellulose; the plasticizer is glycerol;
(3) Adding 20g of epichlorohydrin for reaction, continuously stirring until the mixture is uniform, heating to 45 ℃, dropwise adding 8g of diethylenetriamine, heating to 50 ℃ after the dropwise adding is finished, reacting for 1 hour, heating to 60 ℃, and preserving heat for 10 minutes to obtain the super absorbent material.
Preparation example 2:
The preparation process of the super absorbent material comprises the following steps:
(1) Placing 15g of chitosan, 4g of soybean protein and 10g of collagen in a beaker, adding 100mL of distilled water for dilution, adding 1g of cross-linking agent, and continuously stirring until uniformity is achieved; the cross-linking agent is glutaraldehyde;
(2) Adding 20g of second gelatin for reaction, and adding 1g of cross-linking agent and 1g of plasticizer for reaction; the cross-linking agent is dialdehyde carboxymethyl cellulose; the plasticizer is glycerol;
(3) 14g of epoxy chloropropane is added for reaction, the mixture is continuously stirred until the mixture is uniform, the temperature is raised to 45 ℃, 5g of diethylenetriamine is added dropwise, after the dropwise addition is finished, the temperature is raised to 50 ℃ for reaction for 1 hour, the temperature is raised to 60 ℃, and the reaction is carried out for 10 minutes at the temperature, thus obtaining the super absorbent material.
Preparation example 3:
The preparation process of the super absorbent material comprises the following steps:
(1) Placing 25g of chitosan, 9g of soybean protein and 18g of collagen in a beaker, adding 100mL of distilled water for dilution, adding 3g of cross-linking agent, and continuously stirring until uniformity is achieved; the cross-linking agent is glutaraldehyde;
(2) Adding 30g of second gelatin for reaction, and adding 4g of cross-linking agent and 3g of plasticizer for reaction; the cross-linking agent is dialdehyde carboxymethyl cellulose; the plasticizer is glycerol;
(3) Adding 25g of epichlorohydrin for reaction, continuously stirring until the mixture is uniform, heating to 45 ℃, dropwise adding 11g of diethylenetriamine, heating to 50 ℃ after the dropwise adding is finished, reacting for 1 hour, heating to 60 ℃, and preserving heat for 10 minutes to obtain the super absorbent material.
Preparation example 4:
The preparation process of the super absorbent fiber comprises the following steps:
Dissolving 10g of first gelatin in 100mL of water, heating to 45 ℃ in a water bath, adding 20g of super absorbent material, magnetically stirring for 15min, adding 20g of chitin fiber, 50g of cotton fiber and 18g of soybean fiber, mixing, treating by a plasma pretreatment step, drying the prepared fiber at 80 ℃ for 3min, heating to 140 ℃ for 3min, cooling to 40 ℃ and drying for 10min, and obtaining the super absorbent fiber.
Wherein the reaction condition of the plasma pretreatment step is that the vacuum degree is 50Pa, the power is 250W, the reaction time is 450s, and the oxygen gas flow is 230mL/min.
The super absorbent material is prepared in preparation example 1.
Preparation example 5:
The preparation process of the super absorbent fiber comprises the following steps:
Dissolving 5g of first gelatin in 100mL of water, heating to 45 ℃ in a water bath, adding 11g of super absorbent material, magnetically stirring for 15min, adding 10g of chitin fiber, 40g of cotton fiber and 13g of soybean fiber, mixing, treating by a plasma pretreatment step, drying the prepared fiber at 80 ℃ for 3min, heating to 140 ℃ for 3min, cooling to 40 ℃ and drying for 10min, and obtaining the super absorbent fiber.
Wherein the reaction condition of the plasma pretreatment step is that the vacuum degree is 50Pa, the power is 250W, the reaction time is 450s, and the oxygen gas flow is 230mL/min.
The super absorbent material is prepared in preparation example 1.
Preparation example 6:
The preparation process of the super absorbent fiber comprises the following steps:
Dissolving 16g of first gelatin in 100mL of water, heating to 45 ℃ in a water bath, adding 26g of super absorbent material, magnetically stirring for 15min, adding 30g of chitin fiber, 60g of cotton fiber and 23g of soybean fiber, mixing, treating by a plasma pretreatment step, drying the prepared fiber at 80 ℃ for 3min, heating to 140 ℃ for 3min, cooling to 40 ℃ and drying for 10min, and obtaining the super absorbent fiber.
Wherein the reaction condition of the plasma pretreatment step is that the vacuum degree is 50Pa, the power is 250W, the reaction time is 450s, and the oxygen gas flow is 230mL/min.
The super absorbent material is prepared in preparation example 1.
Preparation example 7:
The preparation process of the super absorbent fiber comprises the following steps:
Dissolving 10g of first gelatin in 100mL of water, heating to 45 ℃ in a water bath, adding 20g of super absorbent material, magnetically stirring for 15min, adding 20g of chitin fiber, 50g of cotton fiber and 18g of soybean fiber, mixing, treating by a plasma pretreatment step, drying the prepared fiber at 80 ℃ for 3min, heating to 140 ℃ for 3min, cooling to 40 ℃ and drying for 10min, and obtaining the super absorbent fiber.
Wherein the reaction condition of the plasma pretreatment step is that the vacuum degree is 50Pa, the power is 250W, the reaction time is 450s, and the oxygen gas flow is 230mL/min.
The super absorbent material is prepared in preparation example 2.
Preparation example 8:
The preparation process of the super absorbent fiber comprises the following steps:
Dissolving 10g of first gelatin in 100mL of water, heating to 45 ℃ in a water bath, adding 20g of super absorbent material, magnetically stirring for 15min, adding 20g of chitin fiber, 50g of cotton fiber and 18g of soybean fiber, mixing, treating by a plasma pretreatment step, drying the prepared fiber at 80 ℃ for 3min, heating to 140 ℃ for 3min, cooling to 40 ℃ and drying for 10min, and obtaining the super absorbent fiber.
Wherein the reaction condition of the plasma pretreatment step is that the vacuum degree is 50Pa, the power is 250W, the reaction time is 450s, and the oxygen gas flow is 230mL/min.
The super absorbent material is prepared in preparation example 3.
Example 1:
the preparation process of the terylene chinlon composite textured yarn comprises the following steps:
(1) Preparation of super-absorbent polyester-nylon composite yarn
Firstly, carrying out network compounding on 60g of polyester-nylon composite yarn and 40g of super absorbent fiber, and then completing twisting under the condition that the twisting degree is 1600 twists/meter to obtain the super absorbent polyester-nylon composite yarn;
(2) The preparation process of the terylene chinlon composite textured yarn comprises the following steps:
Performing texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain a polyester-nylon composite textured yarn; wherein the temperature of the spinning box body is 100 ℃, the wind speed of side blowing wind is 0.4M/s, the winding speed is 800M/min, and the number of twists provided by the false twister is 1000T/M.
The super absorbent fiber is prepared in preparation example 4.
Example 2:
the preparation process of the terylene chinlon composite textured yarn comprises the following steps:
(1) Preparation of super-absorbent polyester-nylon composite yarn
Firstly, carrying out network compounding on 60g of polyester-nylon composite yarn and 40g of super absorbent fiber, and then completing twisting under the condition that the twisting degree is 1600 twists/meter to obtain the super absorbent polyester-nylon composite yarn;
(2) Preparation of terylene and chinlon composite textured yarn
Performing texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain a polyester-nylon composite textured yarn; wherein the temperature of the spinning box body is 100 ℃, the wind speed of side blowing wind is 0.4M/s, the winding speed is 800M/min, and the number of twists provided by the false twister is 1000T/M.
The super absorbent fiber is prepared in preparation example 5.
Example 3:
the preparation process of the terylene chinlon composite textured yarn comprises the following steps:
(1) Preparation of super-absorbent polyester-nylon composite yarn
Firstly, carrying out network compounding on 60g of polyester-nylon composite yarn and 40g of super absorbent fiber, and then completing twisting under the condition that the twisting degree is 1600 twists/meter to obtain the super absorbent polyester-nylon composite yarn;
(2) Preparation of terylene and chinlon composite textured yarn
Performing texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain a polyester-nylon composite textured yarn; wherein the temperature of the spinning box body is 100 ℃, the wind speed of side blowing wind is 0.4M/s, the winding speed is 800M/min, and the number of twists provided by the false twister is 1000T/M.
The super absorbent fiber is prepared in preparation example 6.
Example 4:
the preparation process of the terylene chinlon composite textured yarn comprises the following steps:
(1) Preparation of super-absorbent polyester-nylon composite yarn
70G of polyester-nylon composite yarn and 30g of super absorbent fiber are firstly subjected to network compounding, and then twisting is completed under the condition that the twisting degree is 1600 twists/meter, so that the super absorbent polyester-nylon composite yarn is obtained;
(2) Preparation of terylene and chinlon composite textured yarn
Performing texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain a polyester-nylon composite textured yarn; wherein the temperature of the spinning box body is 100 ℃, the wind speed of side blowing wind is 0.4M/s, the winding speed is 800M/min, and the number of twists provided by the false twister is 1000T/M.
The super absorbent fiber is prepared in preparation example 7.
Example 5:
the preparation process of the terylene chinlon composite textured yarn comprises the following steps:
(1) Preparation of super-absorbent polyester-nylon composite yarn
50G of polyester-nylon composite yarn and 50g of super absorbent fiber are firstly subjected to network compounding, and then twisting is completed under the condition that the twisting degree is 1600 twists/meter, so that the super absorbent polyester-nylon composite yarn is obtained;
(2) Preparation of terylene and chinlon composite textured yarn
Performing texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain a polyester-nylon composite textured yarn; wherein the temperature of the spinning box body is 100 ℃, the wind speed of side blowing wind is 0.4M/s, the winding speed is 800M/min, and the number of twists provided by the false twister is 1000T/M.
The super absorbent fiber is prepared in preparation example 8.
Comparative example
Comparative example 1:
The difference from example 1 is that: when the super absorbent material is prepared, no soybean protein is added.
Comparative example 2:
The difference from example 1 is that: when the super absorbent material is prepared, collagen is not added.
Comparative example 3:
The difference from example 1 is that: when the super absorbent material is prepared, chitosan is not added.
Comparative example 4:
The difference from example 1 is that: when the super absorbent material is prepared, epoxy chloropropane is not added.
Comparative example 5:
the difference from example 1 is that: when the super absorbent material is prepared, diethylenetriamine is not added.
Comparative example 6:
the difference from example 1 is that: when the super absorbent material is prepared, the cross-linking agent glutaraldehyde is not added.
Comparative example 7:
The difference from example 1 is that: when the super absorbent material is prepared, the cross-linking agent dialdehyde carboxymethyl cellulose is not added.
Comparative example 8:
The difference from example 1 is that: no superabsorbent material is added.
Comparative example 9:
the difference from example 1 is that: no chitin fiber is added.
Comparative example 10:
The difference from example 1 is that: no soybean fiber was added.
Performance test
The water absorption and the water-drop diffusion time of the dacron and chinlon composite textured yarn prepared in examples 1 to 5 and comparative examples 1 to 10 were measured.
The detection method comprises the following steps: evaluation of moisture absorption and quick drying Properties of textiles Using GB/T21655.1-2008 part 1: the single-phase combination test method is used for detection.
TABLE 1 detection results of water absorption and drip diffusion time
As can be seen from the combination of Table 1, examples 1-5 and comparative examples 1-10, the samples prepared in examples 1-5 have water absorption and water dripping diffusion time superior to those of the samples prepared in comparative examples 1-10, which shows that the polyester and nylon composite textured yarn prepared by the method of the application greatly improves the water absorption efficiency and the moisture permeability of the polyester and nylon composite textured yarn.
By combining the example 1 and the comparative example 1, the samples prepared in the example 1 have better water absorption and drip diffusion time than the samples prepared in the comparative example 1, and the application shows that the water absorption efficiency and the water permeability of the terylene and chinlon composite elasticized yarn are greatly improved by improving the raw materials of the super absorbent material and adding the soybean protein, so that the fiber has the advantages of moisture and air permeability, warmth retention, soft and smooth hand feeling, good drapability, small static electricity and the like.
By combining the example 1 and the comparative example 2, the water absorption rate and the dripping diffusion time of the sample prepared in the example 1 are better than those of the sample prepared in the comparative example 2, which shows that the added collagen coats the fiber by improving the raw material of the super absorbent material, so that the problem of moisture absorption and expansion of the fiber is remarkably improved, the gaps among the fiber are increased, the collagen film smoothes the surface of the fiber, the resistance of water transfer is reduced, the migration of water is accelerated, and the water absorption efficiency and the moisture permeability of the polyester nylon composite elasticized yarn are improved.
By combining the example 1 and the comparative example 3, the samples prepared in the example 1 have better water absorption and drip diffusion time than the samples prepared in the comparative example 3, which shows that the water absorption efficiency and the moisture permeability of the terylene and chinlon composite textured yarn are greatly improved by improving the raw materials of the super absorbent material and adding chitosan, and the chitosan macromolecular chain contains a large number of hydrophilic groups such as hydroxyl groups, amino groups and the like, so that the super absorbent material has better water absorption, higher hygroscopicity, good surface touch and the like.
As can be seen from the combination of example 1, comparative example 4 and comparative example 5, the samples prepared in example 1 have water absorption and drip diffusion time superior to those of the samples prepared in comparative example 4 and comparative example 5, and the fact that the added epichlorohydrin and diethylenetriamine can encapsulate soybean protein, collagen and chitosan by improving the raw materials of the super absorbent materials in the application, and form the microcapsule material with high water absorption, so that the water absorption efficiency and the moisture permeability of the dacron and chinlon composite elasticized yarn are greatly improved.
As can be seen from the combination of example 1 and comparative example 6, the samples prepared in example 1 have better water absorption and better drip diffusion time than the samples prepared in comparative example 6, which shows that the water absorption efficiency and the moisture permeability of the dacron and nylon composite elasticized yarn are greatly improved by improving the raw materials of the super absorbent material and adding the cross-linking agent glutaraldehyde to modify the mixture of chitosan, soybean protein and collagen.
As can be seen from the combination of example 1 and comparative example 7, the samples prepared in example 1 have better water absorption and better drip diffusion time than the samples prepared in comparative example 7, which shows that the water absorption efficiency and the moisture conductivity of the polyester and nylon composite textured yarn are greatly improved by improving the raw materials of the super absorbent material and adding the cross-linking agent dialdehyde carboxymethyl cellulose for modification.
As can be seen from the combination of the example 1 and the comparative example 8, the samples prepared in the example 1 have better water absorption and better drip diffusion time than the samples prepared in the comparative example 8, which indicates that the water absorption efficiency and the moisture permeability of the terylene-chinlon composite textured yarn are greatly improved by adding the super absorbent material to the raw materials of the super absorbent fibers.
As can be seen from the combination of example 1, comparative example 9 and comparative example 10, the samples prepared in example 1 have water absorption and drip diffusion time superior to those of the samples prepared in comparative example 9 and comparative example 10, and the water absorption efficiency and the moisture permeability of the dacron and nylon composite draw textured yarn are greatly improved by improving the raw materials of the super absorbent fibers and adding the chitin fibers and the soybean fibers with high moisture absorption performance.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (10)
1. The utility model provides a dacron chinlon composite draw textured yarn which characterized in that: is obtained by elasticizing a super absorbent polyester-nylon composite yarn; the super absorbent polyester-nylon composite yarn comprises the following raw materials in parts by mass: 50-70 parts of polyester-nylon composite yarn and 30-50 parts of super absorbent fiber;
the super absorbent fiber comprises the following raw materials in parts by weight: 10-30 parts of chitin fiber, 40-60 parts of cotton fiber, 13-23 parts of soybean fiber, 11-26 parts of super absorbent material and 5-16 parts of first gelatin;
The super absorbent material comprises the following raw materials in parts by weight: 15-25 parts of chitosan, 4-9 parts of soybean protein, 10-18 parts of collagen and 20-30 parts of second gelatin.
2. The dacron and chinlon composite textured yarn according to claim 1, wherein: the high water absorption material also comprises 14-25 parts by mass of epichlorohydrin and 5-11 parts by mass of diethylenetriamine.
3. The dacron and chinlon composite textured yarn according to claim 2, wherein the preparation process of the super absorbent material is as follows:
(1) Reacting chitosan, soybean protein, collagen and a cross-linking agent;
(2) Adding a second part of gelatin for reaction, and then adding a cross-linking agent and a plasticizer for reaction;
(3) After adding epichlorohydrin for reaction, adding diethylenetriamine for reaction, and obtaining the super absorbent material.
4. The dacron and chinlon composite textured yarn according to claim 3, wherein: the amount of the crosslinking agent added in the step (1) is 1 to 3 parts by mass.
5. The dacron and chinlon composite textured yarn according to claim 4, wherein: the cross-linking agent in the step (1) is glyoxal or glutaraldehyde.
6. The dacron and chinlon composite textured yarn according to claim 3, wherein: the adding amount of the cross-linking agent in the step (2) is 1-4 parts by mass; the plasticizer is added in an amount of 1 to 3 parts by mass.
7. The dacron and chinlon composite textured yarn according to claim 6, wherein: the cross-linking agent in the step (2) is dialdehyde carboxymethyl cellulose; the plasticizer is glycerol.
8. The dacron and chinlon composite textured yarn according to claim 1, wherein the preparation process of the super absorbent fiber is as follows: mixing the super absorbent material and the first part of gelatin, adding chitin fiber, cotton fiber and soybean fiber, mixing, and treating with plasma pretreatment step to obtain the super absorbent fiber.
9. The dacron and chinlon composite textured yarn of claim 8, wherein: the reaction conditions of the plasma pretreatment step are that the vacuum degree is 40-60Pa, the power is 220-280W, the reaction time is 400-500s, and the oxygen gas flow is 200-250mL/min.
10. The method for preparing the terylene chinlon composite textured yarn as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
preparing the polyester-nylon composite yarn and the super absorbent fiber according to the proportion to obtain the super absorbent polyester-nylon composite yarn;
and (3) carrying out texturing treatment on the super-absorbent polyester-nylon composite yarn to obtain the polyester-nylon composite textured yarn.
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