CN116043384B - A multifunctional fancy yarn - Google Patents
A multifunctional fancy yarn Download PDFInfo
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- CN116043384B CN116043384B CN202211547540.2A CN202211547540A CN116043384B CN 116043384 B CN116043384 B CN 116043384B CN 202211547540 A CN202211547540 A CN 202211547540A CN 116043384 B CN116043384 B CN 116043384B
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- 229920000728 polyester Polymers 0.000 claims abstract description 66
- 239000004677 Nylon Substances 0.000 claims abstract description 53
- 229920001778 nylon Polymers 0.000 claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 52
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 32
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 229920001661 Chitosan Polymers 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 17
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 15
- 229910001431 copper ion Inorganic materials 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000003242 anti bacterial agent Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 7
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 241001589086 Bellapiscis medius Species 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 3
- 108090000790 Enzymes Proteins 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009998 heat setting Methods 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229920000331 Polyhydroxybutyrate Polymers 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 239000005015 poly(hydroxybutyrate) Substances 0.000 claims description 2
- 229920000218 poly(hydroxyvalerate) Polymers 0.000 claims description 2
- 238000005034 decoration Methods 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000013329 compounding Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 210000000170 cell membrane Anatomy 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 2
- 238000004925 denaturation Methods 0.000 description 2
- 230000036425 denaturation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/10—Bamboo
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to a multifunctional fancy yarn which comprises a core yarn, a decorative yarn and a fixed yarn, wherein the core yarn is a three-component blended yarn of antibacterial polyester/cotton/chitosan fibers with the yarn count of 60-80S, the weight ratio of the antibacterial polyester fibers to the cotton fibers to the chitosan fibers in the blended yarn is (5-8), the weight ratio of the antibacterial polyester/cotton/chitosan fibers is (85-90), the weight ratio of the antibacterial polyester/cotton/chitosan fibers in the blended yarn is (2-10), the decorative yarn is a parallel net yarn formed by combining an ultra-high molecular weight polyethylene FDY filament, a colored nylon FDY filament, a bamboo fiber FDY filament and a colored polyester POY filament on a grid-connected winder, a nozzle airflow of the grid-connected machine is utilized to act on the parallel net yarn to form a network point in the grid-connected process, the density of the network point is 80-100/m, and the fixed yarn is formed by twisting and compounding the flame-retardant FDY filament and the temperature-variable polyester FDY filament through a two-for twisting machine. The yarn has the advantages of good flame retardant property, safe and efficient antibacterial effect, obvious cool feeling and strong interestingness.
Description
Technical Field
The invention belongs to the technical field of textile, and particularly relates to fancy yarn with multiple functions.
Background
With the continuous improvement of the living standard of people, the pursuit of people on the living quality is higher and higher, and a plurality of comfortable fabrics capable of bringing new wearing experience and colorful fabrics capable of bringing visual impact are pursued by people, and the fabrics are based on yarns with colorful effects and functionalities.
The fancy yarn is also called as special yarn, and is a yarn with special structure and appearance effect, which is obtained by adopting special raw materials, special equipment or special technology to process fibers or yarns in the spinning and yarn manufacturing processes, and is a yarn with decorative effect in yarn products. The design of fancy yarn is usually composed of core yarn, decorative yarn and fixing yarn. The core yarn bears the strength and is the main yarn, the decorative yarn is wrapped on the core yarn in a twisting mode to form an effect, the fixed yarn is wrapped on the periphery of the decorative yarn in the opposite twisting direction again to fix patterns, and the yarn formed by the method has rich styles.
The bacteriostatic function is a common function which the textile needs to have. At present, two general methods for realizing the flame retardance and the antibacterial performance of the fabric are adopted, one method is to utilize a functional auxiliary agent to endow the fabric with functionality through printing and dyeing after-finishing, and the other method is to adopt functional yarns to endow the fabric with functionality through weaving. The method for endowing the fabric with the functionality through the auxiliary agent finishing technology is simple to operate, but the durability of the fabric function is insufficient, so that the functional fabric prepared by the functional yarn is more prone to consumers with higher requirements.
Breathable cool fabric is taken as a summer fabric for pets, and is always favored by consumers. The basis of the cool fabric is cool fiber, and the cool effect is realized by simply adding jade powder, mica powder and the like during spinning in the traditional cool fiber, but the cool fabric is intangibly equivalent to adding impurities into yarns, so that the effect is not obvious, and the strength of the yarns is also influenced. Therefore, the cool feeling yarn with excellent heat conducting performance and other fibers with higher moisture absorption performance are combined to form the fabric with excellent cool feeling effect.
In summary, there is an urgent need in the market for a multifunctional yarn with rich colors, high-efficiency antibacterial and lasting cool feeling effects to upgrade the traditional fabric for development.
Disclosure of Invention
The invention aims to provide the multifunctional fancy yarn with the effects of flame retardance, bacteriostasis, cool feeling, temperature change and multicolor, and the multifunctional fancy yarn has the effects of good flame retardance, safe and efficient bacteriostasis, obvious cool feeling and strong interestingness.
The invention adopts the technical scheme that the multifunctional fancy yarn comprises the following components:
The core yarn is a three-component blended yarn of antibacterial polyester/cotton/chitosan fibers with the yarn count of 60-80S, wherein the weight ratio of the antibacterial polyester fibers, the cotton fibers and the chitosan fibers in the blended yarn is (5-8): (85-90): (2-10);
The yarn is a doubling yarn formed by the combination of an ultra-high molecular weight polyethylene FDY filament, a colored nylon FDY filament, a bamboo fiber FDY filament and a colored polyester POY filament on a combination winder, wherein in the combination process, a network point is formed on the doubling yarn by utilizing the action of nozzle airflow of the combination winder, and the density of the network point is 80-100/m;
The yarn fixing step is that a flame-retardant nylon FDY filament and a temperature-variable polyester FDY filament are twisted and compounded by a two-for-one twister;
The core yarn is made of two fibers with antibacterial effects, namely antibacterial polyester fiber and chitosan fiber, and cotton fiber, so that the yarn has good antibacterial performance, the decorative yarn is made of a grid-connected yarn formed by grid-connected ultra-high molecular weight polyethylene FDY filament, a colored nylon FDY filament, a bamboo fiber FDY filament and a colored polyester POY filament on a grid-connected winder, the ultra-high molecular weight polyethylene filament has ultra-high heat conductivity, the nylon filament has moisture absorption and heat conductivity and the bamboo fiber has cool and moisture absorption, so that the yarn has extremely strong cool experience, and the filaments in the decorative yarn have different shrinkage rates, so that the decorative yarn has fine-looped piles after different shrinkage, and the fine-looped piles with different colors enable the yarn to be more colorful. The flame-retardant FDY filaments and the temperature-change polyester FDY filaments in the solid yarns not only enable the yarns to have flame-retardant performance, but also are better interesting.
Further, antibacterial polyester in the core yarn is firmly loaded on the surface of polyester fiber through a supercritical technology by an antibacterial agent OPHB to form modified polyester fiber, wherein the content of the antibacterial agent OPHB in the antibacterial polyester is 1%, the antibacterial agent OPHB is polyhydroxyalkanoate, and is polymerized by 45% by weight of polyhydroxybutyrate and 50% by weight of polyhydroxyvalerate under the action of 5% by weight of catalytic enzyme;
The novel polymer antibacterial agent OPHB belongs to polyhydroxyalkanoate, the polymer is one of PHA, and the material is originally found in cells, is synthesized by bacteria and exists in the cells as a carbon source and an energy source substance, so that the novel polymer antibacterial agent OPHB has good biocompatibility and also has good biodegradability. The antibacterial polyester fiber obtained by applying the OPHB to the polyester fiber by a supercritical method has the advantages that in the antibacterial polyester fiber, the OPHB is adhered to the surface of the fiber and can be better contacted with bacteria, so that the OPHB has good antibacterial effect when the application amount is extremely small, the OPHB structure has good affinity with bacterial viruses, can be sufficiently close to cell walls, and can cause cell membrane potential change, further cause cell membrane rupture and protein overflow denaturation in the fiber, so that bacteria and viruses are killed. OPHB is used as an effective component for bacteriostasis, and is safe and efficient.
Further, the preparation method of the flame-retardant nylon FDY filament in the fixed yarn comprises the following steps:
① Winding nylon FDY filaments on a steel pipe, uniformly distributing a plurality of micropores on the surface of the steel pipe, then immersing the steel pipe fully wound with the nylon FDY filaments in CuSO4.5H2O, and bombarding the solution by adopting a low-temperature plasma technology to promote Cu ions in the CuSO4.5H2O to be grafted on the surface of the nylon FDY, so as to prepare the nylon FDY filaments containing copper ions;
② Drying the nylon FDY filament containing copper ions prepared in the step ①, then putting the nylon FDY filament into a hydrazine hydrate aqueous solution with the concentration of 40%, and then adding 0.5g/l sodium hydroxide and 0.5g/l refining agent into the hydrazine hydrate aqueous solution to prepare a mixed reaction solution, soaking the nylon FDY filament containing copper ions in the mixed reaction solution for 20min, then spin-drying by a centrifuge, and then putting the spin-dried nylon FDY filament into a high-temperature reaction kettle for reaction, and washing, spin-drying and drying the reacted nylon FDY filament to prepare flame-retardant nylon FDY;
The grafting of copper ions and nylon FDY filaments is promoted by adopting a low-temperature plasma technology, so that more copper ions are attached to the surfaces of the nylon, and the nylon FDY filaments containing the copper ions better react with hydrazine hydrate during the reaction, thereby improving the flame retardant property of the fiber.
Further, the preparation method of the temperature-changing polyester FDY filament yarn in the fixed yarn comprises the following steps:
① The preparation of the temperature-variable polyester master batch comprises the steps of firstly grinding temperature-variable powder particles into particles with the diameter of D90<0.8 mu m by a wet ball mill, adding the temperature-variable powder into polyester powder obtained by grinding after liquid nitrogen rapid cooling, and finally, preparing the polyester temperature-variable master batch containing the temperature-variable powder by an interlock mixer.
② Uniformly mixing the temperature-changing polyester master batch prepared in the step ① with common polyester chips according to the weight ratio of 3:97, drying, and then melting by a screw extruder to obtain a spinning melt containing temperature-changing powder, wherein the spinning melt is subjected to a metering pump and a spinneret plate to form the temperature-changing polyester FDY filament;
Further, the fineness of the ultra-high molecular weight polyethylene FDY filaments in the decorative yarn is 50D, the fineness of the colored nylon FDY filaments is 30D, the fineness of the bamboo fiber FDY filaments is 50D, and the fineness of the colored polyester POY filaments is 50D.
Further, the twist of the fixed yarn is 5-8T/inch, and the twisting direction is S twist.
Further, after twisting the fixed yarns by a two-for-one twister, carrying out dry heat setting at 130-150 ℃ for 5-10 s.
Compared with the prior art, the invention has the advantages that:
The multifunctional fancy yarn of the invention has the following advantages:
(1) The core yarn is made of two fibers with antibacterial effects, namely antibacterial polyester fiber and chitosan fiber, and cotton fiber, so that the yarn has good antibacterial performance, the decorative yarn is made of a grid-connected yarn formed by grid-connected ultra-high molecular weight polyethylene FDY filament, a colored nylon FDY filament, a bamboo fiber FDY filament and a colored polyester POY filament on a grid-connected winder, the ultra-high molecular weight polyethylene filament has ultra-high heat conductivity, the nylon filament has moisture absorption and heat conductivity and the bamboo fiber has cool and moisture absorption, so that the yarn has extremely strong cool experience, and the filaments in the decorative yarn have different shrinkage rates, so that the decorative yarn has fine-looped piles after different shrinkage, and the fine-looped piles with different colors enable the yarn to be more colorful. The flame-retardant FDY filaments and the temperature-change polyester FDY filaments in the solid yarns not only enable the yarns to have flame-retardant performance, but also are better interesting.
(2) The novel polymer antibacterial agent OPHB belongs to polyhydroxyalkanoate, the polymer is one of PHA, and the material is originally found in cells, is synthesized by bacteria and exists in the cells as a carbon source and an energy source substance, so that the novel polymer antibacterial agent OPHB has good biocompatibility and also has good biodegradability. The antibacterial polyester fiber obtained by applying the OPHB to the polyester fiber by a supercritical method has the advantages that in the antibacterial polyester fiber, the OPHB is adhered to the surface of the fiber and can be better contacted with bacteria, so that the OPHB has good antibacterial effect when the application amount is extremely small, the OPHB structure has good affinity with bacterial viruses, can be sufficiently close to cell walls, and can cause cell membrane potential change, further cause cell membrane rupture and protein overflow denaturation in the fiber, so that bacteria and viruses are killed. OPHB is used as an effective component for bacteriostasis, and is safe and efficient.
(3) The grafting of copper ions and nylon FDY filaments is promoted by adopting a low-temperature plasma technology, so that more copper ions are attached to the surfaces of the nylon, and the nylon FDY filaments containing the copper ions better react with hydrazine hydrate during the reaction, thereby improving the flame retardant property of the fiber.
Detailed Description
The present invention is described in further detail below with reference to examples.
Example 1:
a multi-functional fancy yarn comprising:
the core yarn comprises a three-component blended yarn of antibacterial polyester/cotton/chitosan fiber with yarn count of 80S, wherein the weight ratio of the antibacterial polyester fiber to the cotton fiber to the chitosan fiber in the blended yarn is 5:90:5, antibacterial polyester is modified polyester fiber formed by firmly loading antibacterial agent OPHB on the surface of the polyester fiber through a supercritical technology, the content of the antibacterial agent OPHB in the antibacterial polyester is 1%, the antibacterial agent OPHB is polyhydroxyalkanoate, and the antibacterial agent OPHB is polymerized by polyhydroxyvaleric acid with the weight ratio of 45% and polyhydroxyvaleric acid with the weight ratio of 50% under the action of catalytic enzyme with the weight ratio of 5%;
the yarn is a doubling net formed by the combination of an ultra-high molecular weight polyethylene FDY filament with the fineness of 50D, a colored nylon FDY filament with the fineness of 30D, a bamboo fiber FDY filament with the fineness of 50D and a colored polyester POY filament with the fineness of 50D on a grid-connected winder, wherein a network point is formed on the doubling net by utilizing the action of nozzle airflow of the grid-connected winder in the grid-connected process, the density of the network point is 100 pieces/m, and the nozzle air pressure is 2.2Mpa during grid connection;
The yarn fixing method comprises the steps of twisting and compounding a flame-retardant nylon FDY filament with the fineness of 50D and a temperature-variable polyester FDY filament with the fineness of 50D through a two-for-one twister, wherein the twist degree of the yarn fixing is 8T/inch, the twisting direction is S, and after twisting through the two-for-one twister, dry heat setting is carried out at the temperature of 150 ℃ for 5-10S.
The preparation method of the flame-retardant nylon FDY filament comprises the following steps:
① Winding nylon FDY filaments on a steel pipe, uniformly distributing a plurality of micropores on the surface of the steel pipe to ensure that the nylon FDY filaments on the steel pipe can be fully acted, immersing the steel pipe fully wound with the nylon FDY filaments in CuSO4.5H 2 O, bombarding the solution by adopting a low-temperature plasma technology, and promoting Cu ions in the CuSO4.5H 2 O to be grafted on the surface of the nylon FDY to prepare the nylon FDY filaments containing copper ions;
② Drying the nylon FDY filament containing copper ions prepared in the step ①, then putting the nylon FDY filament into a hydrazine hydrate aqueous solution with the concentration of 40%, and then adding 0.5g/l sodium hydroxide and 0.5g/l refining agent into the hydrazine hydrate aqueous solution to prepare a mixed reaction solution, soaking the nylon FDY filament containing copper ions in the mixed reaction solution for 20min, then spin-drying by a centrifuge, and then putting the spin-dried nylon FDY filament into a high-temperature reaction kettle for reaction, and washing, spin-drying and drying the reacted nylon FDY filament to prepare flame-retardant nylon FDY;
The preparation method of the temperature-changing polyester FDY filament yarn comprises the following steps:
① The preparation of the temperature-variable polyester master batch comprises the steps of firstly grinding temperature-variable powder particles into particles with the diameter of D90<0.8 mu m by a wet ball mill, adding the temperature-variable powder into polyester powder obtained by grinding after liquid nitrogen rapid cooling, and finally, preparing the polyester temperature-variable master batch containing the temperature-variable powder by an interlock mixer.
② Uniformly mixing the temperature-changing polyester master batch prepared in the step ① with common polyester chips according to the weight ratio of 3:97, drying, and then melting by a screw extruder to obtain a spinning melt containing temperature-changing powder, wherein the spinning melt is subjected to a metering pump and a spinneret plate to form the temperature-changing polyester FDY filament;
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (5)
1. A multi-functional fancy yarn, comprising:
The core yarn is a three-component blended yarn of antibacterial polyester/cotton/chitosan fibers with the yarn count of 60-80S, wherein the weight ratio of the antibacterial polyester fibers, the cotton fibers and the chitosan fibers in the blended yarn is (5-8): (85-90): (2-10);
The yarn decoration comprises a doubling yarn formed by the combination of an ultra-high molecular weight polyethylene FDY filament, a colored nylon FDY filament, a bamboo fiber FDY filament and a colored polyester POY filament on a combination winder, wherein in the combination process, a network point is formed on the doubling yarn by utilizing the action of nozzle airflow of the combination winder, and the density of the network point is 80-100/m;
The yarn fixing step is that a flame-retardant nylon FDY filament and a temperature-variable polyester FDY filament are twisted and compounded by a two-for-one twister;
The antibacterial polyester in the core yarn is modified polyester fiber formed by firmly loading an antibacterial agent OPHB on the surface of polyester fiber through a supercritical technology, wherein the content of the antibacterial agent OPHB in the antibacterial polyester is 1%, the antibacterial agent OPHB is polyhydroxyalkanoate, and the antibacterial polyester is formed by polymerizing 45% by weight of polyhydroxybutyrate and 50% by weight of polyhydroxyvalerate under the action of 5% by weight of catalytic enzyme;
the preparation method of the temperature-changing polyester FDY filament yarn in the fixed yarn comprises the following steps:
① Firstly, grinding temperature-changing powder particles into particles with the diameter of D90 being less than 0.8 mu m by a wet ball mill, adding the temperature-changing powder into polyester powder obtained by grinding after liquid nitrogen is rapidly cooled, and finally, preparing the temperature-changing polyester master batch containing the temperature-changing powder by an interlock mixer;
② And (3) preparing the temperature-variable polyester FDY filament, namely uniformly mixing the temperature-variable polyester master batch prepared in the step ① with common polyester chips according to the weight ratio of 3:97, drying, and then melting by a screw extruder to obtain a spinning melt containing temperature-variable powder, wherein the spinning melt is subjected to a metering pump and a spinneret plate to form the temperature-variable polyester FDY filament.
2. The multifunctional fancy yarn of claim 1 wherein the preparation method of flame retardant nylon FDY filaments in the solid yarn comprises the following steps:
① Winding nylon FDY filaments on a steel pipe, uniformly distributing a plurality of micropores on the surface of the steel pipe, then immersing the steel pipe fully wound with the nylon FDY filaments in CuSO4.5H226O, and bombarding the solution by adopting a low-temperature plasma technology to promote Cu ions in the CuSO4.5H262O to be grafted on the surface of the nylon FDY to prepare the nylon FDY filaments containing copper ions;
② Drying the nylon FDY filament containing copper ions prepared in the step ①, then putting the nylon FDY filament into a hydrazine hydrate aqueous solution with the concentration of 40%, adding 0.5g/l sodium hydroxide and 0.5g/l refining agent into the hydrazine hydrate aqueous solution to prepare a mixed reaction solution, immersing the nylon FDY filament containing copper ions in the mixed reaction solution for 20min, spin-drying by a centrifuge, putting the spin-dried nylon FDY filament into a high-temperature reaction kettle for reaction, and washing, spin-drying and drying the reacted nylon FDY filament to prepare the flame-retardant nylon FDY.
3. The multifunctional fancy yarn of claim 1 wherein the ultra-high molecular weight polyethylene FDY filament fineness is 50D, the colored nylon FDY filament fineness is 30D, the bamboo fiber FDY filament fineness is 50D, and the colored polyester POY filament fineness is 50D.
4. The multifunctional fancy yarn of claim 1 wherein the twist of the spun yarn is 5-8 t/inch and the twist direction is S twist.
5. The multifunctional fancy yarn of claim 1, wherein the setting time is 5-10 s after the fixed yarn is twisted by a two-for-one twister and is subjected to dry heat setting at 130-150 ℃.
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