CN114318855B - Blending regenerated cotton yarn and preparation method thereof - Google Patents
Blending regenerated cotton yarn and preparation method thereof Download PDFInfo
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- CN114318855B CN114318855B CN202210051723.9A CN202210051723A CN114318855B CN 114318855 B CN114318855 B CN 114318855B CN 202210051723 A CN202210051723 A CN 202210051723A CN 114318855 B CN114318855 B CN 114318855B
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 113
- 238000002156 mixing Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 31
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 30
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 28
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims abstract description 25
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 19
- FEXXLIKDYGCVGJ-UHFFFAOYSA-N butyl 8-(3-octyloxiran-2-yl)octanoate Chemical compound CCCCCCCCC1OC1CCCCCCCC(=O)OCCCC FEXXLIKDYGCVGJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 69
- 238000003756 stirring Methods 0.000 claims description 37
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 32
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 23
- 229920000570 polyether Polymers 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 20
- ILOKQJWLMPPMQU-UHFFFAOYSA-N calcium;oxido(oxo)borane Chemical compound [Ca+2].[O-]B=O.[O-]B=O ILOKQJWLMPPMQU-UHFFFAOYSA-N 0.000 claims description 17
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical group NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000005457 ice water Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- CJGJYOBXQLCLRG-UHFFFAOYSA-M sodium;2-hydroxy-3-prop-2-enoxypropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)COCC=C CJGJYOBXQLCLRG-UHFFFAOYSA-M 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 125000003700 epoxy group Chemical group 0.000 abstract description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 20
- 229960001701 chloroform Drugs 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000009210 therapy by ultrasound Methods 0.000 description 3
- 239000005662 Paraffin oil Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229940057995 liquid paraffin Drugs 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VDEUYMSGMPQMIK-UHFFFAOYSA-N benzhydroxamic acid Chemical group ONC(=O)C1=CC=CC=C1 VDEUYMSGMPQMIK-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003916 ethylene diamine group Chemical group 0.000 description 1
- 125000000373 fatty alcohol group Chemical group 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present application relates to blended regenerated cotton yarns, including regenerated cotton yarns and chemical fibers; the regenerated cotton yarn is treated by a surface finishing liquid comprising the following components: polyvinyl chloride resin, butyl 9, 10-epoxystearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate and deionized water. The preparation method of the blended regenerated cotton yarn comprises the steps of preparing surface finishing liquid, preparing modified regenerated cotton yarn and blending. The application has the following advantages and effects: the polyvinyl chloride resin has good flexibility, and the carboxyl of 2-butenoic acid reacts with the epoxy group of the 9, 10-epoxybutyl stearate to form a block, so that the chemical bonding strength is improved, and the performance of the 9, 10-epoxybutyl stearate is improved; the butyl 9, 10-epoxy stearate has plasticizing effect, the liquid nitrile rubber and the polyvinyl chloride resin are mixed to improve the elongation and rebound resilience, the aluminum dihydrogen phosphate is easy to dissolve in water and has adhesive property, and the breaking elongation and the impact strength of the regenerated cotton yarn are improved through the treatment of the surface finishing liquid, so that the toughening purpose is achieved.
Description
Technical Field
The application relates to the technical field of cotton yarns, in particular to a blending regenerated cotton yarn and a preparation method thereof.
Background
Cotton yarn is a textile used for weaving, rope making, thread making, knitting, embroidery and the like; cotton yarn is yarn made from cotton fibers by a spinning process, and is called cotton yarn after being twisted. The regenerated cotton is generally used in the production of the regenerated cotton yarn, namely, waste clothing cloth is collected, and the regenerated cotton yarn is obtained through the steps of crushing, cotton carding, drawing and spinning; the blended yarn is formed by blending more than two kinds of fibers, and in the production application, cotton yarns and chemical fibers with different colors are generally blended to achieve the aim of color mixing.
However, the current regenerated cotton yarn has poor use toughness and short service life, and is easy to cause poor overall quality after being woven into grey cloth, so that there is room for improvement.
Disclosure of Invention
In order to improve the toughness of regenerated cotton yarn, prolong the service life and improve the overall quality of the cotton yarn woven into grey cloth, the application provides blended regenerated cotton yarn and a preparation method thereof.
In a first aspect, the blending regenerated cotton yarn provided by the application adopts the following technical scheme:
the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components in parts by weight:
30-40 parts of polyvinyl chloride resin;
6-8 parts of butyl 9, 10-epoxystearate;
1-2 parts of a cross-linking agent;
3-4 parts of 2-butenoic acid;
2-3 parts of liquid nitrile rubber;
1-2 parts of aluminum dihydrogen phosphate;
80-100 parts of deionized water.
By adopting the technical scheme, the polyvinyl chloride resin with good flexibility and easy molding is used as the main component of the surface finishing liquid, so that the surface finishing liquid is easy to adhere to the regenerated cotton yarn and has the toughening effect; the 9, 10-epoxy butyl stearate containing epoxy groups has good compatibility with the polyvinyl chloride resin, has plasticizing effect, and improves the toughness of the polyvinyl chloride resin after blending and crosslinking; the carboxyl of the 2-butenoic acid is contacted with the epoxy group of the 9, 10-epoxybutyl stearate, so that a block is formed by easy reaction, the chemical bonding strength is improved, the performance of the 9, 10-epoxybutyl stearate is improved, the mechanical property of a crosslinked product is further improved, and the toughness of the surface finishing liquid after film formation is improved; the linear high molecular compound liquid nitrile rubber promotes the compatibility and connection of all components, contains active groups, can be mixed with polyvinyl chloride resin to improve the elongation and rebound resilience, thereby increasing the flexibility of a film layer of the surface finishing liquid attached to the regenerated cotton yarn, improving the action of physical and mechanical properties such as elongation at break, impact strength and the like, and effectively improving the condition that the regenerated cotton yarn is easy to break; the aluminum dihydrogen phosphate is easy to dissolve in water and has adhesive property, so that the adhesive capability of the surface finishing liquid on the regenerated cotton yarn can be improved, the toughness and mechanical property of the regenerated cotton yarn are enhanced, the service life is prolonged, and the integral quality of the blended regenerated cotton yarn after being woven into grey cloth is improved.
Preferably, the surface finishing liquid further comprises 0.6-0.8 part of N-benzoyl benzene hydroxylamine in parts by weight.
By adopting the technical scheme, the N-benzoyl benzohydroxylamine reacts with the liquid nitrile rubber, and the obtained product can play a role in thickening and toughening.
Preferably, the surface finishing liquid further comprises 1-2 parts of propylene glycol block polyether and 4-5 parts of 3-allyloxy-2-hydroxy propane sodium sulfonate in parts by weight.
By adopting the technical scheme, on one hand, the addition of the pasty propylene glycol block polyether can reduce cotton fiber damage and enhance fiber strength; on the other hand, the propylene glycol block polyether and the surface active monomer 3-allyloxy-2-hydroxy sodium propane sulfonate are blended to generate a synergistic effect to obtain a dispersion product with higher performance, so that the pore filling capacity of the surface finishing liquid can be improved, the compactness of the surface finishing liquid after film formation is enhanced, and the surface finishing liquid is filled in the pores of cotton fibers of cotton yarns to form a compact film layer, so that the structural compactness of the cotton fibers is improved, and the toughening purpose is achieved.
Preferably, the surface finishing liquid further comprises 2-3 parts of chloroform in parts by weight.
By adopting the technical scheme, the trichloromethane and the dispersion product of propylene glycol block polyether and 3-allyloxy-2-hydroxy sodium propane sulfonate are synergistic, aggregate into spherical particles, form a dispersion phase in a continuous phase formed by a crosslinked network, remarkably improve fracture toughness and maintain mechanical properties.
Preferably, the surface finishing liquid further comprises 1-2 parts of calcium metaborate in parts by weight.
By adopting the technical scheme, the tensile strength can be improved, the mechanical property can be improved, and the toughening effect of the surface finishing liquid on the regenerated cotton yarn can be assisted to be improved by adding a proper amount of calcium metaborate.
Preferably, the crosslinking agent is tetraethylenepentamine.
By adopting the technical scheme, the polyamine compound is used as the cross-linking agent, so that the cross-linking efficiency is high, and the performance of the surface finishing liquid is improved.
In a second aspect, the present application provides a method for preparing a blended regenerated cotton yarn, which adopts the following technical scheme:
the preparation method of the blended regenerated cotton yarn comprises the following steps:
s1, preparing a surface finishing liquid; mixing 9, 10-epoxy butyl stearate and 2-butenoic acid, and reacting at 50-60 ℃ for 40-50min; adding polyvinyl chloride resin and a cross-linking agent, and stirring and reacting for 2-3h at 140-160 ℃; then adding liquid nitrile rubber, continuing stirring for 30-35min, finally adding aluminum dihydrogen phosphate and deionized water, and stirring for 40-45min to obtain a surface finishing liquid;
s2, preparing modified regenerated cotton yarns; putting the regenerated cotton yarn into the surface finishing liquid prepared in the step S1 for padding, then rolling and finishing by using a roller, and then taking out and putting into a baking oven at 120-150 ℃ for drying for 50-60min; taking out and cooling to room temperature to obtain modified regenerated cotton yarn;
s3, blending; tightly winding the modified regenerated cotton yarn and the chemical fiber into a spiral shape to obtain the blended regenerated cotton yarn.
Preferably, the step S1 further includes the following steps: placing 0.6-0.8 part of N-benzoyl benzohydroxylamine in an ice water bath, slowly dripping 2-3 parts of liquid nitrile rubber at the speed of 1 drop/s, heating to 60-80 ℃ after the dripping is completed, and stirring for reacting for 2-3 hours to obtain a mixture A;
blending 1-2 parts of propylene glycol block polyether, 4-5 parts of 3-allyloxy-2-hydroxy sodium propane sulfonate, 2-3 parts of chloroform and 1-2 parts of calcium metaborate, and treating for 8-12min by ultrasonic waves with ultrasonic power of 120-140W and frequency of 20-30kHz to obtain a mixture B;
the preparation method comprises mixing 9, 10-epoxybutyl stearate and 2-butenoic acid, and reacting at 50-60deg.C for 40-50min; adding polyvinyl chloride resin and a cross-linking agent, and stirring and reacting for 2-3h at 140-160 ℃; then adding the mixture A, and continuing stirring for 30-35min; and then adding the mixture B, stirring for 20-30min, finally adding aluminum dihydrogen phosphate and deionized water, and continuously stirring for 40-45min to obtain the surface finishing liquid.
In summary, the present application includes the following beneficial technical effects:
1. the polyvinyl chloride resin has good flexibility and is easy to form, the carboxyl of the 2-butenoic acid contacts with the epoxy group of the 9, 10-epoxybutyl stearate, the reaction is easy to form a block, the chemical bonding strength is improved, and the performance of the 9, 10-epoxybutyl stearate is improved; the 9, 10-epoxy butyl stearate has good compatibility with polyvinyl chloride resin, has plasticizing effect, can be mixed with the polyvinyl chloride resin to improve elongation and rebound resilience, is easy to dissolve in water and has adhesive property, thereby improving the flexibility of a film layer of the surface finishing liquid attached to the regenerated cotton yarn, improving the mechanical properties such as breaking elongation, impact strength and the like of the regenerated cotton yarn, and prolonging the service life of the regenerated cotton yarn;
n-benzoyl benzene hydroxylamine reacts with liquid nitrile rubber, and the obtained product can play a role in thickening and toughening;
3. on one hand, the addition of the pasty propylene glycol block polyether can reduce cotton fiber damage and enhance fiber strength; on the other hand, the propylene glycol block polyether and the surface active monomer 3-allyloxy-2-hydroxy sodium propane sulfonate are blended to generate a synergistic effect to obtain a dispersion product with higher performance, so that the pore filling capacity of the surface finishing liquid can be improved, and the surface finishing liquid is filled in the pores of cotton fibers of cotton yarns to form a compact film layer, so that the structural density of the cotton fibers is improved, and the toughening purpose is achieved;
4. the trichloromethane and the propylene glycol block polyether and the 3-allyloxy-2-hydroxy sodium propane sulfonate are synergized, are aggregated into spherical particles, form a disperse phase in a continuous phase formed by a crosslinked network, remarkably improve fracture toughness and maintain mechanical properties;
5. proper amount of calcium metaborate is further added into the dispersion liquid of propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate and chloroform, so that the tensile strength is improved, the mechanical property is improved, and the toughening effect of the surface finishing liquid on the regenerated cotton yarn is assisted to be improved.
Detailed Description
The present application is described in further detail below.
In the application, the polyvinyl chloride resin is produced by Nantong pill International trade company, with the product number 9002-86-2; the liquid nitrile rubber is produced by Shandong Starqi chemical technology limited company; the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate produced by Shandong warrior biotechnology limited company; propylene glycol block polyether is produced by the Thai chemical industry Co., ltd. In Nantong, model: p65; sodium 3-allyloxy-2-hydroxypropanesulfonate was manufactured by Hubei Jiu Feng Longhua, inc., cat# 00087.
The raw materials used in the following embodiments may be commercially available from ordinary sources unless otherwise specified.
Examples
Example 1
The embodiment discloses a blended regenerated cotton yarn and a preparation method thereof; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, 9, 10-epoxy butyl stearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate and deionized water, wherein the cross-linking agent is tetraethylenepentamine.
The preparation method of the blended regenerated cotton yarn comprises the following steps:
s1, preparing a surface finishing liquid; mixing 9, 10-epoxy butyl stearate and 2-butenoic acid, and reacting at 50 ℃ for 40min; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 140 ℃ for reaction for 2 hours; then adding liquid nitrile rubber, continuing stirring for 30min, and finally adding aluminum dihydrogen phosphate and deionized water, and stirring for 40min to obtain a surface finishing liquid;
s2, preparing modified regenerated cotton yarns; putting the regenerated cotton yarn into the surface finishing liquid prepared in the step S1 for padding, then rolling and finishing by using a roller, and then taking out and putting into a baking oven at 120-150 ℃ for drying for 50min; taking out and cooling to room temperature to obtain modified regenerated cotton yarn;
s3, blending; tightly winding the modified regenerated cotton yarn and the chemical fiber into a spiral shape to obtain the blended regenerated cotton yarn.
The contents of the components are shown in Table 1 below.
Example 2
The embodiment discloses a blended regenerated cotton yarn and a preparation method thereof; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, 9, 10-epoxy butyl stearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate and deionized water, wherein the cross-linking agent is tetraethylenepentamine.
The preparation method of the blended regenerated cotton yarn comprises the following steps:
s1, preparing a surface finishing liquid; mixing 9, 10-epoxy butyl stearate and 2-butenoic acid, and reacting at 60 ℃ for 50min; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 160 ℃ for reaction for 3 hours; then adding liquid nitrile rubber, continuing stirring for 35min, and finally adding aluminum dihydrogen phosphate and deionized water, and stirring for 45min to obtain a surface finishing liquid;
s2, preparing modified regenerated cotton yarns; putting the regenerated cotton yarn into the surface finishing liquid prepared in the step S1 for padding, then rolling and finishing by using a roller, and then taking out and putting into a baking oven at 150 ℃ for drying for 60min; taking out and cooling to room temperature to obtain modified regenerated cotton yarn;
s3, blending; tightly winding the modified regenerated cotton yarn and the chemical fiber into a spiral shape to obtain the blended regenerated cotton yarn.
The contents of the components are shown in Table 1 below.
Example 3
The embodiment discloses a blended regenerated cotton yarn and a preparation method thereof; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, 9, 10-epoxy butyl stearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate and deionized water, wherein the cross-linking agent is tetraethylenepentamine.
The preparation method of the blended regenerated cotton yarn comprises the following steps:
s1, preparing a surface finishing liquid; mixing 9, 10-epoxy butyl stearate and 2-butenoic acid, and reacting at 55 ℃ for 45min; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 150 ℃ for 2.5h; then adding liquid nitrile rubber, continuing stirring for 33min, and finally adding aluminum dihydrogen phosphate and deionized water, and stirring for 42min to obtain a surface finishing liquid;
s2, preparing modified regenerated cotton yarns; putting the regenerated cotton yarn into the surface finishing liquid prepared in the step S1 for padding, then rolling and finishing by using a roller, and then taking out and putting into a baking oven at 130 ℃ for drying for 55min; taking out and cooling to room temperature to obtain modified regenerated cotton yarn;
s3, blending; tightly winding the modified regenerated cotton yarn and the chemical fiber into a spiral shape to obtain the blended regenerated cotton yarn.
The contents of the components are shown in Table 1 below.
Example 4
The difference from example 1 is that this example discloses a blended regenerated cotton yarn and a method of making the same; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, butyl 9, 10-epoxystearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate, deionized water, N-benzoyl benzene hydroxylamine, propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, wherein the cross-linking agent is tetraethylenepentamine.
In the preparation method of the blending regenerated cotton yarn, the preparation of the S1 surface finishing liquid comprises the following steps:
placing N-benzoyl benzene hydroxylamine in an ice water bath, slowly dripping liquid nitrile rubber at the speed of 1 drop/s, heating to 60 ℃ after dripping is completed, and stirring for 2 hours to obtain a mixture A;
mixing propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, and performing ultrasonic treatment with ultrasonic power of 120W and frequency of 20kHz for 8min to obtain a mixture B;
in preparation, 9, 10-epoxy butyl stearate and 2-butenoic acid are mixed and reacted at 50 ℃ for 40min; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 140 ℃ for reaction for 2 hours; then adding the mixture A, and continuing stirring for 30min; and then adding the mixture B, stirring for 20min, and finally adding aluminum dihydrogen phosphate and deionized water, and continuously stirring for 40min to obtain the surface finishing liquid.
The contents of the components are shown in Table 1 below.
Example 5
The difference from example 2 is that this example discloses a blended regenerated cotton yarn and a method of making the same; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, butyl 9, 10-epoxystearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate, deionized water, N-benzoyl benzene hydroxylamine, propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, wherein the cross-linking agent is tetraethylenepentamine.
In the preparation method of the blending regenerated cotton yarn, the preparation of the S1 surface finishing liquid comprises the following steps:
placing N-benzoyl benzene hydroxylamine into an ice water bath, slowly dripping liquid nitrile rubber at the speed of 1 drop/s, heating to 80 ℃ after dripping is completed, and stirring for reaction for 3 hours to obtain a mixture A;
mixing propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, and performing ultrasonic treatment with ultrasonic power of 140W and frequency of 30kHz for 12min to obtain a mixture B;
in preparation, 9, 10-epoxy butyl stearate and 2-butenoic acid are mixed and reacted at 60 ℃ for 50min; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 160 ℃ for reaction for 3 hours; then adding the mixture A, and continuing stirring for 35min; and then adding the mixture B, stirring for 30min, and finally adding aluminum dihydrogen phosphate and deionized water, and continuously stirring for 45min to obtain the surface finishing liquid.
The contents of the components are shown in Table 1 below.
Example 6
The difference from example 3 is that this example discloses a blended regenerated cotton yarn and a method of making the same; the blended regenerated cotton yarn comprises regenerated cotton yarn and chemical fiber which are tightly wound in a spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components: polyvinyl chloride resin, butyl 9, 10-epoxystearate, a cross-linking agent, 2-butenoic acid, liquid nitrile rubber, aluminum dihydrogen phosphate, deionized water, N-benzoyl benzene hydroxylamine, propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, wherein the cross-linking agent is tetraethylenepentamine.
In the preparation method of the blending regenerated cotton yarn, the preparation of the S1 surface finishing liquid comprises the following steps:
placing N-benzoyl benzohydroxylamine in an ice water bath, slowly dripping liquid nitrile rubber at the speed of 1 drop/s, heating to 70 ℃ after dripping is completed, and stirring for reacting for 2.5h to obtain a mixture A;
mixing propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate, and performing ultrasonic treatment with ultrasonic power of 130W and frequency of 25kHz for 10min to obtain a mixture B;
in preparation, 9, 10-epoxy butyl stearate and 2-butenoic acid are mixed and reacted for 45min at 55 ℃; adding polyvinyl chloride resin and a cross-linking agent, and stirring at 150 ℃ for 2.5h; then adding the mixture A, and continuing stirring for 33min; and then adding the mixture B, stirring for 25min, and finally adding aluminum dihydrogen phosphate and deionized water, and continuously stirring for 42min to obtain the surface finishing liquid.
The contents of the components are shown in Table 1 below.
Example 7
The difference from example 1 is that the surface finish also includes N-benzoylbenzene hydroxylamine as components in the amounts shown in Table 2 below.
Example 8
The difference from example 7 is that N-benzoylhydroxylamine was replaced with ethylenediamine, and the contents of the respective components are shown in Table 2 below.
Example 9
The difference from example 7 is that the liquid nitrile rubber is replaced by liquid paraffin oil, the contents of the components are shown in Table 2 below.
Example 10
The difference from example 1 is that the components of the surface finish also include propylene glycol block polyether and sodium 3-allyloxy-2-hydroxy propane sulfonate, the contents of each component being shown in Table 2 below.
Example 11
The difference from example 10 is that the propylene glycol block polyether is replaced with diethyl ether, and the contents of the components are shown in Table 2 below.
Example 12
The difference from example 11 is that sodium 3-allyloxy-2-hydroxy propane sulfonate was replaced with fatty alcohol polyoxyethylene ether, and the content of each component is shown in the following table 2.
Example 13
The difference from example 10 is that the surface finishing liquid further comprises chloroform, and the contents of the components are shown in the following table 2.
Example 14
The difference from example 10 is that the addition was continued by replacing chloroform with tetrahydrofuran, and the contents of the respective components are shown in Table 2 below.
Example 15
The difference from example 13 is that the components of the surface finish also include calcium metaborate, the contents of each of which are shown in table 2 below.
Example 16
The difference from example 13 is that calcium metaborate is replaced by calcium carbonate and the addition is continued, the contents of the components being shown in table 2 below.
Example 17
The difference from example 1 is that the crosslinking agent is replaced by tris.
Comparative example
Comparative example 1
The difference from example 1 is that a regenerated cotton yarn which has not been finished with a surface finishing liquid is taken as comparative example 1.
Comparative example 2
The difference from example 1 is that the butyl 9, 10-epoxystearate is replaced with dioctyl phthalate, and the contents of the components are shown in Table 1 below.
Comparative example 3
The difference from comparative example 2 is that 2-butenoic acid was replaced with styrene, and the contents of the respective components are shown in the following table 1.
Comparative example 4
The difference from example 1 is that the liquid nitrile rubber was replaced with styrene-butadiene rubber, and the contents of the respective components are shown in the following table 1.
Comparative example 5
The difference from example 1 is that aluminum dihydrogen phosphate is replaced with polyvinyl alcohol, and the contents of the components are shown in the following table 1.
TABLE 1 component content tables of examples 1-6 and comparative examples 2-5
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | |
| Polyvinyl chloride resin | 30 | 40 | 35 | 30 | 40 | 35 | 30 | 30 | 30 | 30 |
| 9, 10-epoxystearic acid butyl ester | 6 | 8 | 7 | 6 | 8 | 7 | 6 | 6 | 6 | 6 |
| Crosslinking agent | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| 2-butenoic acid | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 |
| Liquid nitrile rubber | 2 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 2 | 2 |
| Aluminum dihydrogen phosphate | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
| Deionized water | 80 | 100 | 90 | 80 | 100 | 90 | 80 | 80 | 80 | 80 |
| N-benzoylbenzene hydroxylamine | / | / | / | 0.6 | 0.8 | 0.7 | / | / | / | / |
| Propylene glycol block polyether | / | / | / | 1 | 2 | 2 | / | / | / | / |
| 3-allyloxy-2-hydroxy-propanesulfonic acid sodium salt | / | / | / | 4 | 5 | 4 | / | / | / | / |
| Trichloromethane | / | / | / | 1 | 2 | 1 | / | / | / | / |
| Calcium metaborate | / | / | / | 1 | 2 | 2 | / | / | / | / |
TABLE 2 component content tables for examples 7 to 16
| Example 7 | Example 8 | Example 9 | Example 10 | Example 11 | Example 12 | Example 13 | Example 14 | Example 15 | Example 16 | |
| Polyvinyl chloride resin | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| 9, 10-epoxystearic acid butyl ester | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Crosslinking agent | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2-butenoic acid | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Liquid nitrile rubber/liquid paraffin oil | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Aluminum dihydrogen phosphate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Deionized water | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
| N-benzoylbenzene hydroxylamine/ethylenediamine | 0.6 | 0.6 | 0.6 | / | / | / | / | / | / | / |
| Propylene glycol block polyether/diethyl ether | / | / | / | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 3-allyloxy-2-hydroxy propane sodium sulfonate/fatty alcohol polyoxyethylene ether | / | / | / | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Trichloromethane/tetrahydrofuran | / | / | / | / | / | / | 1 | 1 | 1 | 1 |
| Calcium metaborate/calcium carbonate | / | / | / | / | / | / | / | / | 1 | 1 |
Performance test
The testing method comprises the following steps: toughness is characterized by elongation at break, which is the percentage of the ratio of the elongation of a cotton yarn when stretched to break to the length before unstretched; the modified regenerated cotton yarn prepared in each example and comparative example was prepared into a specimen of 25mm and 100g in weight, which was tested using a USTER HVI 1000 fiber tester, at an operating temperature of (20.+ -. 2) deg.C, at an operating humidity of (65.+ -. 3)%, and the elongation at break was measured and calculated, and the results are shown in Table 3 below.
Table 3 results of performance test of each of examples and comparative examples
| Elongation at break (%) | |
| Example 1 | 5.77 |
| Example 2 | 8.59 |
| Example 3 | 6.83 |
| Example 4 | 7.94 |
| Example 5 | 11.33 |
| Example 6 | 9.54 |
| Example 7 | 6.25 |
| Example 8 | 5.80 |
| Example 9 | 5.34 |
| Example 10 | 6.33 |
| Example 11 | 5.86 |
| Example 12 | 5.81 |
| Example 13 | 6.46 |
| Example 14 | 6.37 |
| Example 15 | 6.58 |
| Example 16 | 6.51 |
| Example 17 | 5.64 |
| Comparative example 1 | 4.38 |
| Comparative example 2 | 5.24 |
| Comparative example 3 | 4.86 |
| Comparative example 4 | 5.30 |
| Comparative example 5 | 5.49 |
From the above, the following conclusions can be drawn:
the regenerated cotton yarn is treated by the surface finishing liquid, so that the regenerated cotton yarn has the effects of improving the toughness and prolonging the service life; and through the common addition of polyvinyl chloride resin, 9, 10-epoxy butyl stearate and 2-butenoic acid, the blending of liquid nitrile rubber and N-benzoyl benzene hydroxylamine, the common dispersion of propylene glycol block polyether, 3-allyloxy-2-hydroxy sodium propane sulfonate, chloroform and calcium metaborate produces synergistic effect, thus achieving the purposes of improving the performance of surface treatment liquid and finally improving the toughness and mechanical properties of regenerated cotton yarns.
The present embodiment is merely for explanation of the present application and does not limit the protection scope of the present application, and those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading the present specification, but are protected by patent laws only within the scope of claims of the present application.
Claims (2)
1. Blending regeneration cotton yarn, its characterized in that: comprises regenerated cotton yarn and chemical fiber which are tightly wound in spiral shape; the regenerated cotton yarn is treated by a surface finishing liquid, and the surface finishing liquid comprises the following components in parts by weight:
30-40 parts of polyvinyl chloride resin;
6-8 parts of butyl 9, 10-epoxystearate;
1-2 parts of a cross-linking agent;
3-4 parts of 2-butenoic acid;
2-3 parts of liquid nitrile rubber;
1-2 parts of aluminum dihydrogen phosphate;
80-100 parts of deionized water;
0.6-0.8 part of N-benzoyl benzohydroxylamine;
1-2 parts of propylene glycol block polyether;
4-5 parts of sodium 3-allyloxy-2-hydroxy propane sulfonate;
1-2 parts of chloroform;
1-2 parts of calcium metaborate;
wherein the cross-linking agent is tetraethylenepentamine.
2. The method for preparing the blended regenerated cotton yarn as claimed in claim 1, comprising the following steps:
s1, preparing a surface finishing liquid;
placing 0.6-0.8 part of N-benzoyl benzohydroxylamine in an ice water bath, slowly dripping 2-3 parts of liquid nitrile rubber at the speed of 1 drop/s, heating to 60-80 ℃ after the dripping is completed, and stirring for reacting for 2-3 hours to obtain a mixture A;
blending 1-2 parts of propylene glycol block polyether, 4-5 parts of 3-allyloxy-2-hydroxy sodium propane sulfonate, 1-2 parts of chloroform and 1-2 parts of calcium metaborate, and treating for 8-12min by ultrasonic waves with ultrasonic power of 120-140W and frequency of 20-30kHz to obtain a mixture B;
mixing 6-8 parts of 9, 10-epoxybutyl stearate and 3-4 parts of 2-butenoic acid, and reacting at 50-60 ℃ for 40-50min; adding 30-40 parts of polyvinyl chloride resin and 1-2 parts of cross-linking agent, and stirring at 140-160 ℃ for reaction for 2-3h; then adding the mixture A, and continuing stirring for 30-35min; then adding the mixture B, stirring for 20-30min, and finally adding 1-2 parts of aluminum dihydrogen phosphate and 80-100 parts of deionized water, and continuously stirring for 40-45min to obtain a surface finishing liquid;
s2, preparing modified regenerated cotton yarns; putting the regenerated cotton yarn into the surface finishing liquid prepared in the step S1 for padding, then rolling and finishing by using a roller, and then taking out and putting into a baking oven at 120-150 ℃ for drying for 50-60min; taking out and cooling to room temperature to obtain modified regenerated cotton yarn;
s3, blending; tightly winding the modified regenerated cotton yarn and the chemical fiber into a spiral shape to obtain the blended regenerated cotton yarn.
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