CN105256587A - Novel formaldehyde-free low-damage crease-resistant finishing agent and finishing method thereof - Google Patents
Novel formaldehyde-free low-damage crease-resistant finishing agent and finishing method thereof Download PDFInfo
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Abstract
The invention discloses a novel formaldehyde-free low-damage crease-resistant finishing agent and a finishing method thereof and belongs to the technical field of functionality design of textiles. The finishing agent comprises components in parts by weight as follows: 24-30 parts of waterborne polyurethane, 12-15 parts of sodium carboxymethyl cellulose, 5-8 parts of triethanolamine, 3-7 parts of 4,5-dihydroxyl ethylene urea, 0.1-0.5 parts of potassium benzoate and 0.1-0.2 parts of sodium sulfite. The invention further discloses a finishing method of the novel formaldehyde-free low-damage crease-resistant finishing agent for textiles. The novel formaldehyde-free low-damage crease-resistant finishing agent and the finishing method meet international requirements for environment-friendly textiles, the price is low, the finishing agent is efficient, costs are saved, meanwhile, the problem that textiles yellow and touch a little hard after being finished with common finishing agents is solved, and the finishing agent and the finishing method have good market popularization benefits and economic benefits.
Description
Technical field:
The invention belongs to functions of textile fabrics design field, relate to a kind of formaldehydeless low damage crease-shedding finishing agent and method for sorting thereof.
Background technology:
Polyurethane and polyurethanes (PU) are the general names of the polymer containing the carbamate groups (-NHCOO-) repeated in molecular structure.Aqueous polyurethane is for solvent borne polyurethane, and it is the binary colloidal system that polyurethane particles is dispersed in continuous phase (water), the same with common polyurethane, belongs to the block polymer of (AB) N-shaped.Aqueous polyurethane take water as main medium, containing or only containing a small amount of organic solvent, according to the difference of formula and auxiliary agent, the finishing agent of many purposes can be modulated into.
Polyurethane is used as the post-finishing agent of natural fabric and synthetic textiles, can play fabric feeling richness, the adjustment of crease-resistant and anti-pilling property and improved action, can significantly improve outward appearance and the clothing comfort level of clothes and furnishings.Aqueous polyurethane not containing formaldehyde, and has good film forming and soft elasticity, can substitute amino resins wholly or in part and be used as the crease proofing agent of fabric or soft additive; Make water-proof poromeric finishing agent with a polyurethane, the porous membrane of waterproof moisture-inhibiting again can be formed on fabric, and nontoxic, with low cost, productive rate is also high; Fabric imitation buckskin finishing agent is made, the sense of fabric skin strong, plentiful abundant, good toughness, ventilating and moisture-permeable after processing with polyurethane; Imitation linen finiss agent is done, its washability and strong with polyurethane; With polyurethane, noniron finish is done to fibroin fiber, not only can improve the outward appearance of silk fabrics, make it that there is soft and bright and plentiful smooth feel, also can give silk fabrics wear-resisting crease-resistant premium properties; Polyurethane also can make antistatic additive, hydrophilic finishing agent, wool anti-felting finish agent and water-refusing oil-refusing finishing agent.
Donghua University master Cao elegance in 2009 in " preparations and applicatio of formaldehydeless low damage crease-shedding finishing agent " with polyalcohol, isophorone diisocyanate, dihydromethyl propionic acids etc. are raw material, adopt " pre-poly-chain extension-end-blocking-dispersion " etc., prepare series aliphatic aqueous polyurethane emulsion, demonstrated the generation of polymerisation by FTIR, DSC, and by application test, optimize aqueous polyurethane finishing agent formula.After the formaldehydeless low damage crease-shedding finishing agent application of COTTON FABRIC of synthesis, sample before and after arranging cotton fiber has carried out FTIR, EMS and has analyzed, aqueous polyurethane anti-crease finishing technique is studied, obtain as drawn a conclusion: water-based gathers the dead drunk chemical crosslinking that there occurs with cellulose to a certain degree of ammonia, finishing agent concentration is 130g/L, the condition of baking is that after 160 DEG C/3min arranges, wrinkle recovery angle of woven fabrics using viscoelasticity theory can improve more than 65 °, and strength retention can reach 90%, has no significant effect other performance of fabric.Time composite, WPU addition is that 40g/L is advisable, and after arranging, wrinkle recovery angle of woven fabrics using viscoelasticity theory, brute force all rise than during the single finishing agent of use, are of the present invention closest to prior art.
Chinese invention patent CN102787501A provides a kind of environment-friendly type softener, belong to industrial chemicals field, as textile auxiliary or cleaning solution, comprise aqueous polyurethane, sodium acetate, sorbitan fatty acid ester, octadecyldimethyl ethoxy quaternary ammonium nitrate, spices, sodium chlorate, water; The mass fraction of various material is: comprise aqueous polyurethane: 10%-30%, sodium acetate: 2%-6%, sorbitan fatty acid ester: 5%-15%, octadecyldimethyl ethoxy quaternary ammonium nitrate: 5%-15%, spices: 1%-3%, sodium chlorate: 2%-6%, all the other are water, this environment-friendly type softener can soften cloth, also has the function of wrinkle resistant anti-pilling, and can not remain noxious material in cloth when using, more safe, but preparation cost is higher, service efficiency is on the low side, is unfavorable for that the marketization is promoted.
Summary of the invention:
Technical problem solved by the invention: for the deficiencies in the prior art, a kind of formaldehydeless low damage crease-shedding finishing agent and method for sorting thereof are provided, adapt in the world for the requirement of Green Textiles, cheap, finishing agent efficient economizing cost, overcome simultaneously general finishing agent arrange after the partially hard problem of fabric yellowing, feel, there is good marketing benefit and economic benefit.
The invention provides following technical scheme:
A kind of formaldehydeless low damage crease-shedding finishing agent, comprises the component of following parts by weight:
Aqueous polyurethane 24-30 part, sodium carboxymethylcellulose 12-15 part, triethanolamine 5-8 part, 4,5-dihydroxy ethylene urea 3-7 parts, Potassium Benzoate 0.1-0.5 part, sodium sulfite 0.1-0.2 part;
Described aqueous polyurethane is aqueous polyurethane.
Preferably, the component of following parts by weight is comprised:
Aqueous polyurethane 26-28 part, sodium carboxymethylcellulose 13-14 part, triethanolamine 6-8 part, 4,5-dihydroxy ethylene urea 5-7 parts, Potassium Benzoate 0.1-0.2 part, sodium sulfite 0.1 part.
Preferred, comprise the component of following parts by weight:
Aqueous polyurethane 26 parts, sodium carboxymethylcellulose 14 parts, triethanolamine 6 parts, 4,5-dihydroxy ethylene urea 7 parts, Potassium Benzoate 0.1 part, sodium sulfite 0.1 part.
Preferably, described aqueous polyurethane is aliphatic waterborne blocked polyurethane.
The formaldehydeless low damage crease-shedding finishing agent of the present invention is to the method for sorting of fabric, and be soak under fabric room temperature 30 minutes in sodium citrate solution, taking-up drains; Finish solution two liquid two rolls, and pick-up rate is 85%; Dry 5 minutes at 90 DEG C of temperature; 135 DEG C bake 2 minutes after carry out cold wash and hot water wash respectively after drying complete arrangement process.
Preferably, the concentration of described finish solution is 30-40g/L.
Beneficial effect of the present invention:
1, the present invention adapts in the world for the requirement of Green Textiles, environmental protection.
2, instant invention overcomes general finishing agent arrange after the partially hard problem of fabric yellowing, feel, there is good marketing benefit and economic benefit.
3, finishing agent of the present invention is cheap, and finishing agent use amount is low, finishing effect efficient economizing cost.
Detailed description of the invention:
Be described in detail embodiments of the invention below, the present embodiment is implemented under premised on invention technical scheme, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.The experimental program of unreceipted actual conditions in embodiment, the condition that conveniently condition or manufacturer advise usually is implemented.
Aqueous polyurethane of the present invention is with polyalcohol, isophorone diisocyanate (IPDI), dihydromethyl propionic acid (DMPA) etc. is raw material, adopts " pre-poly-chain extension-end-blocking-dispersion " etc., has prepared series aliphatic water-based polyurethane (WPU) emulsion.Wherein prepolymerization reaction 95 DEG C, reaction 4h and reaction 50 DEG C, the mass fraction adding aqueous dispersion DMPA after end-blocking is 5.5%, and degree of neutralization is 90% one 100%.Take NaHSO3 as end-capping reagent, cosolvent acetic acid ethyl ester consumption is 25%, W of performed polymer
naHSO3/ W
h2Obe 10%.
Embodiment: each component of embodiment of the present invention product is in shown in table one.
Table one: each component composition (unit: parts by weight) of formaldehydeless low damage crease-shedding finishing agent
The formaldehydeless low damage crease-shedding finishing agent of the present invention is to the method for sorting of fabric, and be soak under fabric room temperature 30 minutes in sodium citrate solution (mass concentration 0.5%), taking-up drains; Finish solution two liquid two rolls, and pick-up rate is 85%; Dry 5 minutes at 90 DEG C of temperature; 135 DEG C bake 2 minutes after carry out cold wash and hot water wash respectively after drying complete arrangement process.The concentration of described finish solution is 30-40g/L.
Fabric one: sodolin, five piece three flies satin weave, and density is 340 × 340/10cm.
Fabric two: flax/terylene intertexture, five piece three flies satin weave, and density is 340 × 340/10cm.
Fabric three: pure cotton fabric.
Fabric four: jute/cotton blended fabric.
Method of testing:
Fabric breaking strength measures: measure by ASTMD434-95 standard on universal testing machine;
Fabric tear brute force measures: on digital Elmendor tearing brute force machine, measure by ASTMD1424 standard;
Fabric elasticity creasy recovery angle: on TNG01 type elastic apparatus, measure by AATCC66-2003;
Water-wash resistance: be placed on by fabric to be measured in 5g/L detergent solution, washs after 10 minutes and rinses with clear water, dry for several times, dry under 80 DEG C of conditions, measure the creasy recovery angle of fabric after placing 24h.
Table two: fabric one and fabric two wrinkle resistance are tested
Table three: fabric one and fabric two water-wash resistance after embodiment five arranges are tested
Fabric one after finishing agent of the present invention arranges all has good water-wash resistance with fabric two, the best results after arranging with embodiment five.
Table four: fabric three and fabric four wrinkle resistance are tested
Table five: fabric three and fabric four water-wash resistance after embodiment five arranges are tested
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (6)
1. the low damage crease-shedding finishing agent of novel formaldehyde-free, is characterized in that, comprise the component of following parts by weight:
Aqueous polyurethane 24-30 part, sodium carboxymethylcellulose 12-15 part, triethanolamine 5-8 part, 4,5-dihydroxy ethylene urea 3-7 parts, Potassium Benzoate 0.1-0.5 part, sodium sulfite 0.1-0.2 part;
Described aqueous polyurethane is aqueous polyurethane.
2. the low damage crease-shedding finishing agent of a kind of novel formaldehyde-free according to claim 1, is characterized in that, comprise the component of following parts by weight:
Aqueous polyurethane 26-28 part, sodium carboxymethylcellulose 13-14 part, triethanolamine 6-8 part, 4,5-dihydroxy ethylene urea 5-7 parts, Potassium Benzoate 0.1-0.2 part, sodium sulfite 0.1 part.
3. the low damage crease-shedding finishing agent of a kind of novel formaldehyde-free according to claim 1, is characterized in that, comprise the component of following parts by weight:
Aqueous polyurethane 26 parts, sodium carboxymethylcellulose 14 parts, triethanolamine 6 parts, 4,5-dihydroxy ethylene urea 7 parts, Potassium Benzoate 0.1 part, sodium sulfite 0.1 part.
4. the low damage crease-shedding finishing agent of a kind of novel formaldehyde-free according to claim 1, is characterized in that: described aqueous polyurethane is aliphatic waterborne blocked polyurethane.
5. the low damage crease-shedding finishing agent of novel formaldehyde-free that one of Claims 1-4 is described, to the method for sorting of fabric, is characterized in that: soak under fabric room temperature 30 minutes in sodium citrate solution, taking-up drains; Finish solution two liquid two rolls, and pick-up rate is 85%; Dry 5 minutes at 90 DEG C of temperature; 135 DEG C bake 2 minutes after carry out cold wash and hot water wash respectively after drying complete arrangement process.
6. the low damage crease-shedding finishing agent of novel formaldehyde-free according to claim 5 is to the method for sorting of fabric, it is characterized in that: the concentration of described finish solution is 30-40g/L.
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| CN201510681564.0A CN105256587A (en) | 2015-10-20 | 2015-10-20 | Novel formaldehyde-free low-damage crease-resistant finishing agent and finishing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237129A (en) * | 2017-07-25 | 2017-10-10 | 安徽亚源印染有限公司 | A kind of anti-fold grease-proof and waterproof printed fabric |
| CN107904930A (en) * | 2017-11-30 | 2018-04-13 | 苏州绣艳天下刺绣工艺有限公司 | A kind of preparation method embroidered with crease-resistant bright finishing agent |
| CN108774892A (en) * | 2018-06-04 | 2018-11-09 | 安徽恒益纺织科技有限公司 | A kind of non-ironing inorganic agent for chemical fiber plus material |
| CN109505138A (en) * | 2018-11-03 | 2019-03-22 | 东华大学 | A kind of blocked isocyanate and polyurethane cooperate with anti-crease finishing method to cotton fabric |
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| US4472165A (en) * | 1982-09-24 | 1984-09-18 | United Merchants And Manufacturers, Inc. | Method for reduction of formaldehyde in resin-treated fabrics |
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| US4472165A (en) * | 1982-09-24 | 1984-09-18 | United Merchants And Manufacturers, Inc. | Method for reduction of formaldehyde in resin-treated fabrics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237129A (en) * | 2017-07-25 | 2017-10-10 | 安徽亚源印染有限公司 | A kind of anti-fold grease-proof and waterproof printed fabric |
| CN107904930A (en) * | 2017-11-30 | 2018-04-13 | 苏州绣艳天下刺绣工艺有限公司 | A kind of preparation method embroidered with crease-resistant bright finishing agent |
| CN108774892A (en) * | 2018-06-04 | 2018-11-09 | 安徽恒益纺织科技有限公司 | A kind of non-ironing inorganic agent for chemical fiber plus material |
| CN109505138A (en) * | 2018-11-03 | 2019-03-22 | 东华大学 | A kind of blocked isocyanate and polyurethane cooperate with anti-crease finishing method to cotton fabric |
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Application publication date: 20160120 |