CN102352542A - Method for improving dacron comfortableness through polyaspartic acid finishing agent - Google Patents
Method for improving dacron comfortableness through polyaspartic acid finishing agent Download PDFInfo
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- CN102352542A CN102352542A CN2011102341045A CN201110234104A CN102352542A CN 102352542 A CN102352542 A CN 102352542A CN 2011102341045 A CN2011102341045 A CN 2011102341045A CN 201110234104 A CN201110234104 A CN 201110234104A CN 102352542 A CN102352542 A CN 102352542A
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- dacron
- aspartate
- poly
- finishing agent
- fabric
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Abstract
The invention belongs to the field of light chemical industry and discloses a method for improving dacron comfortableness through polyaspartic acid finishing agent. The method comprises a step of modifying dacron through polyaspartic acid finishing agent with relative molecular mass of 100,000-200,000 in a spinning modification or trimming modification manner. The modified dacron has the advantages of excellent hygroscopicity and moisture-penetrability, strong antistatic behavior and good hand feel, so that the comfortableness of the dacron is greatly improved; besides the dacron has good affinity on the human body and skin while having no irritation, so the dacron can be extensively used on underwear, gym suits and bed necessaries.
Description
Technical field
The invention belongs to the light industry field, relate to a kind of method of utilizing the poly-aspartate finishing agent to improve the dacron comfortableness.
Background technology
Premium properties such as polyster fibre has that fracture strength is big, ABRASION RESISTANCE good, anti-ly damage by worms, anti-mould, thus its product receive people and like, but the improving constantly of Along with people's living standard, people are also improving constantly the requirement of snugness of fit.When dacron is worn under hygrothermal environment, cause fabric to be prone to paste skin because of wet transmitting performance is very poor, make skin surface feel moist, human body sensory is uncomfortable, need improve.How can on the basis of not destroying other good characteristics of polyester fiber, improve the moisture absorbing and sweat releasing characteristic of polyester fiber, be the target that present many fiber research persons and polyster fibre manufacturer are all laying siege to.So the hygroscopic fibre of exploitation mainly is meant a kind of new type polyester fiber through modification at present.
Hygroscopic fibre is meant that some not hydrophilic fibers have water imbibition and a drip-dry tencel simultaneously through modifications are formed.In general, be that natural fabric or synthetic fiber all are difficult to have concurrently this two kinds of performances, but the moisture absorbing and sweat releasing process technology then can be accomplished this point.Therefore, for the polyester fiber that does not almost completely absorb water, the moisture absorbing and sweat releasing process technology has been given its new life again.
Fabric can be divided into four-stage substantially to the transmission of sweat: fabric and sweat contact, wetting and absorption; The transmission of sweat; The storage of sweat or maintenance; Sweat evaporates from fabric face.Therefore, after human body was perspired, sweat did not spread at the fabric inner surface; But directly inhaled to fabric outer, in the fabric outer evaporation, to keep the relatively dry of inner textile layer; Reduced to produce sticking effect between human body and the fabric, improved human body comfort and human motion function.
The method of dacron hydrophilic arrangement is a lot, mainly is aspect spinning and putting two in order.The spinning modification is in the synthetic fiber manufacture process, makes polyster fibre possess hydrophilic property ability; The arrangement modification is carried out hydrophilic finiss at polyster fibre or fabric face, its essence is to add the last layer hydrophilic compounds on the surface of polyster fibre or fabric, reaches the purpose that changes the fiber surface hydrophilicity.Applicable method mainly is the absorption set of hydrophilic finish agent, the surface grafting of hydrophilic monomer and some other processing of fiber surface.
Poly-aspartate, molecular formula are C
4H
6NO
3(C
4H
5NO
3)
nC
4H
6NO
4, be a kind of biodegradable, nontoxic, do not destroy ecological environment, be described as the new bio based high molecular material of " green " article by people.Poly-aspartate has good biocompatibility and human body affinity is good, can not produce harmful effect to skin.As absorbent material, require it to have higher relative molecular weight, be generally 8000-200000, characteristics such as the poly-aspartate in this molecular weight ranges has the water absorbent rate height, and rate of water absorption is fast.People such as Tan Tianwei utilize the thermal condensation of L-aspartic acid to prepare intermediate product polysuccinimide (PSI) in Preparation and Water Absorbent Behavior of Superabsorbent Polyaspartic Acid Resin one literary composition; Hydrolysis PSI under alkali condition then; Neutralization; Hydrolyzate slowly poured in saturated methyl alcohol-sodium chloride solution precipitate; Filter, dry under vacuum 0.095MPa, 40 ℃ of conditions, obtain the poly-aspartate powder of molecular weight in the 1000-200000 scope.Narrated a kind of preparation method of high molecular weight polyasparagic acid among the CN1869100A.It is to be raw material with the aspartic acid, adds catalyst, and at a certain temperature, the vacuum polycondensation generates poly-aspartate, and it is pulverized, and polymerization again repeats this process, can make the high molecular weight polyasparagic acid of weight average molecular weight at 20000-200000.
PETG, the English PET that is called for short is polymerized by terephthalic acid (TPA) and ethylene glycol, is a kind of chemical fibre terylene commonly used.
Summary of the invention
The objective of the invention is above-mentioned deficiency, a kind of method of utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness is provided to prior art.
Another object of the present invention provides the dacron that utilizes this method modification preparation.
The object of the invention can be realized through following technical scheme:
A kind of method of utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness utilizes the poly-aspartate of relative molecular mass between 100000-200000 through spinning modification or arrangement modification dacron to be carried out modification.
Poly-aspartate multiple synthetic method capable of using prepares voluntarily, screens the poly-aspartate of suitable molecular weight then, also can buy corresponding poly-aspartate.
Describedly to the method that dacron carries out modification be: PET section and poly-aspartate are mixed according to common process by the mass ratio of 80-100: 1-20 process precursor through the spinning modification; Pass through winder, twisting, warping again; Looming or shake country fair and process through weft yarn is woven into cloth on silk loom.
Describedly through the arrangement modification to the method that dacron carries out modification be: it is 45-50 ℃ that fabric is put into temperature, poly-aspartate concentration be greater than 0 and poly-aspartate dressing liquid smaller or equal to 20g/L in, make fabric thorough impregnation 10-25min after; Two soak two rolls; Pick-up 100% after the 95-105 ℃ of oven dry, bakes again; Washing, oven dry.
Wherein, the bath raio of described fabric and described poly-aspartate dressing liquid is 1: 15-30, preferred 1: 20.
The preferred 15min of described dip time.
Described stoving temperature is 100-120 ℃, preferred 110 ℃; The time of curing is 3-5min.
Bath raio described in the present invention refers to the part by weight of textiles and dressing liquid.
A kind of spinning modified dacron fabric that utilizes described spinning method of modifying to prepare.
A kind of arrangement modified dacron fabric that utilizes described arrangement method of modifying to prepare.
Beneficial effect:
The present invention utilizes poly-aspartate that terylene is carried out modification, not only can endowing terylene moisture absorption poisture-penetrability, characteristics such as antistatic behaviour, and to improve the wearing comfort ability of fabric.Simultaneously, poly-aspartate and human body, skin affinity are good, have extraordinary biodegradability, give health, the green theory of wearing.
Advantages such as dacron moisture absorption excellent moisture permeability, the antistatic behaviour through modification is strong, good hand touch; Improve the wearing comfort of terylene fabric greatly; And human body and skin had good affinity, stingless excitation can be widely used in underwear, sportswear, bedding etc.
The performance test mode is following:
The hygroscopicity test.Sample is dried to constant weight in baking oven, and weighing gets W
0(being accurate to 0.001g) placed 24h in temperature and humidity regulator (standard state: temperature is 20 ℃, and relative humidity is 65%), take out weighing and get W
1The computing formula of hydroscopicity is following: hydroscopicity=(W
1-W
0)/W
0* 100%
The poisture-penetrability test.In the vapor transfer rate cup, add a certain amount of water, rim of a cup is sealed, place 24h at ambient temperature, take by weighing the quality before and after placing respectively, calculate the quality that sees through moisture on the sample unit are with sample.
The antistatic behaviour test.Test according to GB/T12703-1991 " textiles static electricity testing method ".
The gas permeability test.Test according to GB/T 5453.
The washability test.Under the room temperature condition, in the cleaning solution of washing agent 2g/L, washed 8 minutes, clear water was washed 4 minutes then, and oven dry is for washing once.Hygroscopicity, poisture-penetrability, the antistatic behaviour of test sample behind certain washing times.
Advantages such as dacron moisture absorption excellent moisture permeability, the antistatic behaviour through modification is strong, good hand touch possess excellent wearing comfort ability.
The specific embodiment
Below in conjunction with specific embodiment poly-aspartate modified dacron comfortableness of the present invention is specifically specified, but do not limit protection scope of the present invention.
The preparation of poly-aspartate:
Poly-aspartate multiple synthetic method capable of using prepares voluntarily, screens the poly-aspartate of suitable molecular weight then, also can buy corresponding poly-aspartate.The present invention adopts commercially available poly-aspartate, and relative molecular mass is (Luoyang Cai Run environment-friendly materials Co., Ltd) between 100000-200000.
Embodiment 1 spinning modified dacron fabric
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 95: 5; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into dacron on K-72 type silk loom.
Embodiment 2
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 90: 10; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into dacron on K-72 type silk loom.
Embodiment 3
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 85: 15; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into dacron on K-72 type silk loom.
Embodiment 4
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 80: 20; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into dacron on K-72 type silk loom.
Embodiment 5
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 75: 25; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into dacron on K-72 type silk loom.
Embodiment 6
The PET section is mixed to join fusion in the screw extruder, mixes with the weight ratio of poly-aspartate by 70: 30; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into cloth on K-72 type silk loom.
Embodiment 7 arrangement modified dacron fabrics
Fabric is put into 5g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; 50 ℃ of washings twice down are 80 ℃ of oven dry.
Embodiment 8
Fabric is put into 10g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; 50 ℃ of washings twice down are 80 ℃ of oven dry.
Embodiment 9
Fabric is put into 15g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; Wash twice under 50 ℃ in the water, 80 ℃ of oven dry.
Embodiment 10
Fabric is put into 20g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; 50 ℃ of twice, 80 ℃ of oven dry of washing down.
Embodiment 11
Fabric is put into 25g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; 50 ℃ of twice, 80 ℃ of oven dry of washing down.
Embodiment 12
Fabric is put into 30g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 110 ℃ with padding machine; 50 ℃ of twice, 80 ℃ of oven dry of washing down.
Embodiment 13
Fabric is put into 15g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 100 ℃ with padding machine; 50 ℃ of twice, 80 ℃ of oven dry of washing down.
Experimental example 14
Fabric is put into 15g/L poly-aspartate dressing liquid (bath raio 1: 20,50 ℃ of temperature), make fabric thorough impregnation 15min after; Two soak two and roll (pick-up 100%) in M982 experiment, after 100 ℃ of oven dry, bake 3min at 120 ℃ with padding machine; 50 ℃ of twice, 80 ℃ of oven dry of washing down.
Experimental example 15
The performance test of material
With dacron after the modification and the contrast of pure terylene comfortableness, result such as table 1 to table 4.
Comfortableness relatively before and after the table 1 spinning modified dacron
Can draw the dacron hygroscopicity and the antistatic behaviour of gathering aspartic acid and the modification of PET section co-blended spinning by table 1 improves along with the increase of PASP adding proportion.Air permenbility also slightly improves.Because the strong absorptive of poly-aspartate causes moisture to be diffused into fibrous inside easily, finally show as rate of perviousness and descend to some extent, but in certain additional proportion scope, do not influence the comfort property of dacron.When poly-aspartate additional proportion big (greater than 20%), it is high to destroy original characteristics of terylene and rate of perviousness decline degree, has reduced the combination property of dacron on the contrary.
The PET section is joined fusion in the screw extruder, mixes with the mixed of poly-aspartate by 85: 15; Process precursor through the filament spinning component supervisor; Pass through winder, twisting, warping again, looming or shake country fair and process through weft yarn is woven into cloth with homologue on K-72 type silk loom.Electrostatic pressure half-life, rate of perviousness and the feel of finish fabric after 0,5,10,20 time washed in test respectively, and the result sees table 2.
Table 2 spinning modification washing-resistant effect
Can know that by table 2 along with the feel of the increase finish fabric of washing times increases, antistatic property decline degree is very little, explains that the spinning modification can make dacron reach durable comfortableness.
Comfortableness relatively before and after the table 3 arrangement modified dacron
Dacron hygroscopicity, poisture-penetrability and the antistatic behaviour that can be drawn by poly-aspartate arrangement modification by table 3 improve along with the increase of poly-aspartate concentration.Gas permeability slightly descends, but influence is little.When poly-aspartate concentration during, the raising of dacron comfort level, poly-aspartate concentration is not almost improved when being 20g/L, so the concentration of poly-aspartate dressing liquid should be got greater than zero and smaller or equal to 20g/L greater than 20g/L.
Baking temperature is not obvious to the influence of dacron comfortableness, and 100-120 ℃ bake in the scope, fabric all has higher hydroscopicity, poisture-penetrability and antistatic property.
In poly-aspartate concentration is 15g/L, bakes finish fabric under the condition that technology is 110 ℃ * 3min, and electrostatic pressure half-life, rate of perviousness and the feel of finish fabric after 0,5,10,20 time washed in test respectively, and the result sees table 4.
Table 4 arrangement modification washing-resistant effect
Can know that by table 4 along with the feel of the increase finish fabric of washing times increases, but antistatic property and rate of perviousness all have decline to a certain degree, but still better than the antistatic property of not putting dacron in order and poisture-penetrability.
Poly-aspartate dressing liquid of the present invention is the aqueous solution of the poly-aspartate of molecular weight between 100000-200000.
Bath raio described in the above embodiment refers to the part by weight of textiles and dressing liquid.
Be woven into dacron all is woven into 45 * 45 specifications with homologue dacron described in the above embodiment.
Claims (10)
1. a method of utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness is characterized in that utilizing the poly-aspartate of relative molecular mass between 100000-200000 through spinning modification or arrangement modification dacron to be carried out modification.
2. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 1; It is characterized in that describedly to the method that dacron carries out modification being: PET section and poly-aspartate are mixed according to common process by the mass ratio of 80-100: 1-20 process precursor through the spinning modification; Pass through winder, twisting, warping again; Looming or shake country fair and process through weft yarn is woven into dacron on silk loom.
3. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 1, it is characterized in that describedly through the arrangement modification to the method that dacron carries out modification being: it is 45-50 ℃ that fabric is put into temperature, poly-aspartate concentration be greater than 0 and poly-aspartate dressing liquid smaller or equal to 20g/L in; After making fabric thorough impregnation 10-25min, two soak two rolls pick-up 100%; After the 95-105 ℃ of oven dry; Bake washing, oven dry again.
4. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 3, the bath raio that it is characterized in that described fabric and described poly-aspartate dressing liquid is 1: 15-30.
5. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 4, the bath raio that it is characterized in that described fabric and described poly-aspartate dressing liquid is 1: 20.
6. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 3 is characterized in that described dip time is 15min.
7. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 3 is characterized in that described stoving temperature is 100-120 ℃, and the time of curing is 3-5min.
8. the method for utilizing the ecological finishing agent of poly-aspartate to improve the dacron comfortableness according to claim 7 is characterized in that described stoving temperature is 110 ℃, and the time of curing is 3-5min.
9. spinning modified dacron fabric that utilizes the described method of claim 2 to prepare.
10. one kind is utilized the arrangement modified dacron fabric that each described method prepares among the claim 3-8.
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109043709A (en) * | 2018-09-13 | 2018-12-21 | 杭州雪狼花服饰集团有限公司 | The moisture-penetrable ventilated fabric of outdoor wear |
| CN113338042A (en) * | 2021-06-15 | 2021-09-03 | 吴江市南麻恒兴丝织厂 | Preparation method of windproof moisture-permeable gabardine fabric |
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| CN113338042A (en) * | 2021-06-15 | 2021-09-03 | 吴江市南麻恒兴丝织厂 | Preparation method of windproof moisture-permeable gabardine fabric |
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Application publication date: 20120215 |