CN103409992A - Efficient and poor yellow-changing citric acid non-iron finishing liquid and application thereof - Google Patents
Efficient and poor yellow-changing citric acid non-iron finishing liquid and application thereof Download PDFInfo
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- CN103409992A CN103409992A CN2013103406807A CN201310340680A CN103409992A CN 103409992 A CN103409992 A CN 103409992A CN 2013103406807 A CN2013103406807 A CN 2013103406807A CN 201310340680 A CN201310340680 A CN 201310340680A CN 103409992 A CN103409992 A CN 103409992A
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- citric acid
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- xanthochromia
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- noniron finish
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Abstract
The invention relates to an efficient and poor yellowing-changing citric acid non-iron finishing liquid and the application thereof. The finishing liquid is a citric acid aqueous solution containing a polyatomic alcohol chain extendor, a penetrating agent, a softening agent and an esterized catalyst. The application is as follows: a piece of fabric is in padding into finishing liquid, after padding, the liquid carrying rate can reach 50 to 80 percent, pre-baking and baking are performed, and then water washing and drying are carried out, so as to obtain a piece of finished fabric. According to the invention, by adding the polyatomic alcohol chain extendor, two problems of yellowing and poor resilience in citric acid DP (durable press) finishing to pure cotton fabric can be solved at the same time, as a result, the citric acid non-iron finishing having a cost advantage can meet the requirements of replacing 2D resin finishing in performance, and has a great significance to the popularization of polybasic carboxylic acid formaldehyde-free nonironing.
Description
Technical field
The invention belongs to DP finish of cotton fabric technology and Application Areas thereof, particularly a kind of citric acid noniron finish technology and application thereof.
Background technology
Cotton textiles are because it has good permeability, the advantage such as soft and comfortable and easy to wear is welcome widely, but it is easily wrinkling in taking process.Thereby visual effect is satisfied preferably specifically takes demand in order to obtain, and the durable press finish of COTTON FABRIC is particularly important.Industrial quarters is used the most general DP finish of cotton fabric agent hydroxymethyl-2 dihydroxy-ethylene urea (2D resin) and etherification derivative thereof to have formaldehyde release And Spread of Solute (SHIH C-Y in arrangement and use procedure at present, HUANG K-S.Kinetic studies of crease-resistant finishing process for cotton fabrics with DMEU/MMEU prepolymer mixture[J] .J Appl Polym Sci, 2002,85:509-13, SHUKLA S R, PINGALE N D.Formaldehyde:a major concern for textile industry[J] .Asian Text J (Mumbai, India), 2008, 17:53-9.), take BTCA (BTCA) and citric acid (CA) is considered to be hopeful most to replace COTTON FABRIC formaldehydeless permanent press finishing agent (the GAGLIARDI D D of 2D resin as the polybasic carboxylic acid finishing agent of representative, SHIPPEE F B.Cross-linking of cellulose with polycarboxylic acids[J] .American Dyestuff Reporter, 1963, 52:300-3, WELCH C M.Tetracarboxylic acids as formaldehyde-free durable press finishing agents.Part I.Catalyst, additive, and durability studies[J] .Text Res J, 1988,58 (8): 480-6, IBRAHIM N A, ABO-SHOSHA M H, ELNAGDY E I, et al.ECO-friendly durable press finishing of cellulose-containing fabrics[J] .Journal of Applied Polymer Science, 2002,84 (12): 2243-53.).
Citric acid is as the bio-based fermented product, not only has advantages of green non-poisonously, at upper cost, huge advantage (approximately the $5000/ ton, after pressing the solid content conversion, be only 1/4 left and right of 2D resin) also arranged, and possesses good industrialization potentiality.Yet, Citric Acid Finishing DP grade is not good enough and yellowing problems (LU Y, YANG C Q.Fabric yellowing caused by citric acid as a crosslinking agent for cotton[J] .Textile Research Journal, 1999,69 (9): 685-90; WELCH C M, PETERS J G.Additives for improved whiteness and DP performance with citric acid finishing[J] .Textile Chemist and Colorist& American Dyestuff Reporter, 2000,32 (10): 37-41.), so far be not well solved, the compromise mode that Many researchers is taked is often using citric acid as low-cost component and composite finishing agent (the YANG C Q that makes of other polybasic carboxylic acid, WANG X, KANG I-S.Ester crosslinking of cotton fabric by polymeric carboxylic acids and citric acid[J] .Textile Research Journal, 1997,67 (5): 334-42; Acrylic and citric acid in nonformaldehyde durable press finishing on cotton fabric[J] .AATCC Rev, 2003,3:62-4; WELCH C M, PETERS J G.DP finishes using citric and tartaric acid with methyl hydrogen silicone[J] .Text Chem Color Am Dyest Rep, 1999,1:55-60.), the effect that DP arranges can descend to some extent with the increase of Citric Acid Dosage.The boric acid of having reported, PEG400 (PEG400), triethanolamine (TEA) although etc. brightening agent can suppress the fabric yellowing, but to fabric DP effect do not benefit even have negative effect (CHOI H M.Nonionic and cationic curing additives which improve the whiteness of citric acid-treated cotton[J] .Textile Chemist and Colorist, 1993,25 (5): 19-24.).
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of citric acid noniron finish liquid of efficient, weak xanthochromia, this invention is by adding the polyalcohol chain extender, solve simultaneously pure cotton fabric citric acid DP and arranged yellowing and the not good two large problems of resilience, make the citric acid noniron finish that itself has cost advantage on performance, also can reach the requirement that substitutes the 2D RESIN FINISH, formaldehydeless non-ironing popularization is significant to polybasic carboxylic acid.
A kind of efficient, weak xanthochromia citric acid noniron finish liquid of the present invention, it is characterized in that: described dressing liquid is the aqueous citric acid solution that contains polyalcohol chain extender, bleeding agent, softener, esterification catalyst, wherein citric acid concentration is 70-150g/L, the mol ratio of polyalcohol chain extender and citric acid is 1:10-3:1, the mol ratio of esterification catalyst and citric acid is 1:4-1:1, softer consistency is 10-25g/L, and bleeding agent concentration is 0.5-2g/L.
Described one or more polyalcohols that contains, per molecule hydroxy radical content are 3-6, proportion of primary OH groups > 2.
Described polyalcohol is one or more in xylitol, pentaerythrite, glycerol, sorbierite.
Described bleeding agent is a kind of in penetrating agent JFC, penetrant JFC-2, DY2001.(Shijiazhuang, Hebei Toyo Chemicals Co. Ltd.)
Described softener is a kind of in CT208CN, Powersoft AE38CN.(dolantin watt gram organosilicon Co., Ltd)
Described esterification catalyst is one or more in sodium hypophosphite, sodium phosphate, NaOH, sodium carbonate, sodium dihydrogen citrate, carbodiimides, nitrile amine sodium, DMAP.
The application of a kind of efficient, weak xanthochromia citric acid noniron finish liquid of the present invention, by the textile pad dressing liquid, padding rear liquid carrying rate is 50%-80%, preliminary drying, bakes, and then washes, dries, the fabric after being arranged.
Described fabric is pure cotton fabric.
Described preliminary drying temperature is 70-100 ℃, and the preliminary drying time is 3-5min; Baking temperature is 150-190 ℃, and the time of baking is 1-5min.Described washing, oven dry, wash, dry by AATCC Test Method D124-1989.
Concrete operations are: the cloth that will put in order and the pure cotton padding cloth of 1.8kg together add in washing machine, add 66g not contain the standard washing powder of fluorescent whitening agent, water level: 18 ± 1gal, speed of agitator: 179 ± 2spm, wash time is 12 minutes, final circulation rotating 6 minutes, rotary speed: 645 ± 15rpm.Water temperature is no more than 29 degree.After washing, putting into the dryer matched dried 60 minutes.
The present invention suppresses to arrange decarboxylation and deshydroxy reaction under high temperature by adding a certain proportion of polyalcohol chain extender and Citrin ester to generate many carboxyls oligomer, playing, thereby effectively improves the finishing effect of citric acid cross-linking system and suppress yellowing.The contained primary hydroxyl number of chain extender molecule, total hydroxy, carbon chain lengths and consumption are all influential to finishing effect.The much higher unit of proportion of primary OH groups alcohol is the most obvious to the effect that whiteness promotes, total hydroxy is that 5～6 polyalcohol is the most obvious to the lifting of crease recovery, excessive interpolation chain extender has harmful effect to the crease recovery of fabric, and the comprehensive improvement effect can be regulated by the structure, consumption and the change finishing condition that change chain extender.
After arranging, creasy recovery angle, whiteness, the strength retention of fabric all are greatly improved, and DP grade and BTCA arrange and the 2D RESIN FINISH approaches.In arrangement, do not need to add citric acid other polybasic carboxylic acid in addition, really solved the industrialized key issue of obstruction citric acid noniron finish.
Beneficial effect
(1) the present invention has solved pure cotton fabric citric acid DP arrangement yellowing and the not good two large problems of resilience simultaneously by adding appropriate polyalcohol chain extender, make the citric acid noniron finish that itself has cost advantage on performance, also can reach the requirement that substitutes the 2D RESIN FINISH, formaldehydeless non-ironing popularization is significant to polybasic carboxylic acid;
(2) in the present invention, citric acid is reproducible biofermentation products with the polyalcohol chain extender that relates to, green, safe, renewable, meet finishing technique the sustainable development requirement;
(2) the present invention compares with the 2D RESIN FINISH, and the negative effect of fabric brute force of the present invention is less.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention be used to the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
The sodium hypophosphite SHP of 140g citric acid, 72g and 7.8g xylitol (xylitol is chain extender) are mixed in 1L water, and room temperature adds softener CT208CN20g/L after dissolving, and penetrating agent JFC 2g/L, stir, and obtains dressing liquid.
Textile plain cloth (is moved back to boil and floats 40 * 40,133 * 72,123g/m
2) padding finishing liquid, 5 minutes constant weights of 70%, 85 ℃ of oven dry of pick-up rate, 180 ℃ bake 5 minutes, and washing is dried (wash, dry by AATCC Test Method D124-1989).
Creasy recovery angle 287 of standard washing, whiteness 34.5, the tearing brute force retention rate be (warp-wise) 61%, wash 5 times after DP class 4 .0, standard is washed 20 creasy recovery angles > 260, DP grade 3.8.
Embodiment 2
The sodium hypophosphite SHP of 140g citric acid, 72g and 70g pentaerythrite (pentaerythrite is chain extender) are mixed in 1L water, and in water-bath, adding softener A E38CN after 40 ℃ of dissolvings is 20g/L, and penetrant JFC-2 is 2g/L, stirs, and obtains dressing liquid.
Textile plain cloth (is moved back to boil and floats 40 * 40,133 * 72,123g/m
2) padding finishing liquid, 5 minutes constant weights of 70%, 85 ℃ of oven dry of pick-up rate, 180 ℃ bake 5 minutes, washing, oven dry (wash, dry by AATCC Test Method D124-1989).
Creasy recovery angle 253 of standard washing, whiteness 72.8(is higher than former cloth), the tearing brute force retention rate is (warp-wise) 65.6%, wash 5 times after DP grade 3.5.
Embodiment 3
The sodium hypophosphite SHP of 140g citric acid, 72g and 17.5g pentaerythrite and 15.5g xylitol mix (pentaerythrite+xylitol mixed chain extender) in 1L water, in water-bath, adding softener CT208CN after 40 ℃ of dissolvings is 20g/L, penetrating agent JFC is 2g/L, stir, obtain dressing liquid.
Textile plain cloth (is moved back to boil and floats 40 * 40,133 * 72,123g/m
2) padding finishing liquid, 5 minutes constant weights of 70%, 85 ℃ of oven dry of pick-up rate, 180 ℃ bake 5 minutes, washing, oven dry (wash, dry by AATCC Test Method D124-1989).
Creasy recovery angle 270 after standard washing once, whiteness 57, the tearing brute force retention rate is (warp-wise) 62%, washes 5 times DP grade 3.9.
Embodiment 4
Painting cloth arranges:
The sodium hypophosphite SHP of 140g citric acid, 72g and 15.5g xylitol are mixed in 1L water, and room temperature adds softener CT208CN20g/L after dissolving, and penetrating agent JFC 2g/L, stir, and obtains dressing liquid.
By the textile plain cloth of yellow (40 * 40,128 * 80,113g/m
2); Blue textile plain cloth (50 * 50,144 * 76,102g/m
2) padding finishing liquid, 5 minutes constant weights of 70%, 85 ℃ of oven dry of pick-up rate, 180 ℃ bake 3 minutes, washing, oven dry (wash, dry by AATCC Test Method D124-1989).
Creasy recovery angle 278 after the washing once of yellow cloth standard, breaking strength retention (warp-wise) 57%, aberration 0.79, wash 5 times DP grade 3.8; Creasy recovery angle 275 after blue cloth standard washing once, breaking strength retention (warp-wise) 57.2%, aberration 1.67, wash 5 times DP grade 3.8.
The comparative example
The sodium hypophosphite SHP of 140g citric acid, 72g is mixed in 1L water, and room temperature adds softener CT208CN20g/L after dissolving, and penetrating agent JFC 2g/L, stir.
Textile plain cloth (is moved back to boil and floats 40 * 40,133 * 72,123g/m
2) padding finishing liquid, 5 minutes constant weights of 70%, 85 ℃ of oven dry of pick-up rate, 180 ℃ bake 3 minutes and 5 minutes, washing, oven dry (wash, dry by AATCC Test Method D124-1989).
After baking 3 minutes, standard is washed once, and the former cloth of creasy recovery angle 257(is 145 through rolling-dry-roasting-wash).The former cloth of whiteness 38.6(is 67.3), the tearing brute force retention rate is (warp-wise) 63.6%, wash 5 times after DP grade 3.5.After baking 5 minutes, once, creasy recovery angle is 261 for standard washing, whiteness 24.6, the tearing brute force retention rate is (warp-wise) 63.2%, wash 5 times after DP grade 3.5.
Claims (9)
1. efficient, weak xanthochromia citric acid noniron finish liquid, it is characterized in that: described dressing liquid is the aqueous citric acid solution that contains polyalcohol chain extender, bleeding agent, softener, esterification catalyst, wherein citric acid concentration is 70-150g/L, the mol ratio of polyalcohol chain extender and citric acid is 1:10-3:1, the mol ratio of esterification catalyst and citric acid is 1:4-1:1, softer consistency is 10-25g/L, and bleeding agent concentration is 0.5-2g/L.
2. a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 1 is characterized in that: described one or more polyalcohols that contains, per molecule hydroxy radical content are 3-6, proportion of primary OH groups > 2.
3. a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 1 and 2, it is characterized in that: described polyalcohol is one or more in xylitol, pentaerythrite, glycerol, sorbierite.
4. a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 1 is characterized in that: described bleeding agent is a kind of in JFC, JFC-2, DY2001.
5. a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 1 is characterized in that: described softener is a kind of in CT208CN, AE38CN.
6. a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 1, it is characterized in that: described esterification catalyst is one or more in sodium hypophosphite, sodium phosphate, NaOH, sodium carbonate, sodium dihydrogen citrate, carbodiimides, nitrile amine sodium, DMAP.
7. the application of described efficient, a weak xanthochromia citric acid noniron finish liquid as arbitrary as claim 1-6 is characterized in that: by the textile pad dressing liquid, padding rear liquid carrying rate is 50%-80%, preliminary drying, bakes, and then washes, dries, the fabric after being arranged.
8. the application of a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 7, it is characterized in that: described fabric is pure cotton fabric.
9. the application of a kind of efficient, weak xanthochromia citric acid noniron finish liquid according to claim 7, it is characterized in that: described preliminary drying temperature is 70-100 ℃, the preliminary drying time is 3-5min; Baking temperature is 150-190 ℃, and the time of baking is 1-5min.
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| CN2013103406807A CN103409992A (en) | 2013-08-06 | 2013-08-06 | Efficient and poor yellow-changing citric acid non-iron finishing liquid and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499278A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Acryloyl succinic acid-based non-phosphorus catalysis method for formaldehyde-free crease-resistant finishing of cotton fabrics |
| CN104499277A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Cotton fabric polybasic carboxylic acid crease-resisting finishing liquid and finishing method thereof |
| CN104499282A (en) * | 2014-12-23 | 2015-04-08 | 常熟市海虞富盛经纬编织造厂 | Fabric finishing liquid |
| CN105821657A (en) * | 2016-05-13 | 2016-08-03 | 广东溢达纺织有限公司 | Non-ironing fabric and preparing method thereof |
| CN107558221A (en) * | 2016-07-01 | 2018-01-09 | 王锶源 | Pure cotton noniron finish liquid |
| CN108729219A (en) * | 2017-04-14 | 2018-11-02 | 射阳天源化工有限公司 | Finishing agent with noniron finish function and the method for DP finish of cotton fabric |
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| CN1963012A (en) * | 2006-12-05 | 2007-05-16 | 东华大学 | Crinkle-resistant finishing protective agent and method for crinkle-resistant finishing of fabrics |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499278A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Acryloyl succinic acid-based non-phosphorus catalysis method for formaldehyde-free crease-resistant finishing of cotton fabrics |
| CN104499277A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Cotton fabric polybasic carboxylic acid crease-resisting finishing liquid and finishing method thereof |
| CN104499282A (en) * | 2014-12-23 | 2015-04-08 | 常熟市海虞富盛经纬编织造厂 | Fabric finishing liquid |
| CN105821657A (en) * | 2016-05-13 | 2016-08-03 | 广东溢达纺织有限公司 | Non-ironing fabric and preparing method thereof |
| CN105821657B (en) * | 2016-05-13 | 2018-05-15 | 广东溢达纺织有限公司 | A kind of non-ironing face fabric and preparation method thereof |
| CN107558221A (en) * | 2016-07-01 | 2018-01-09 | 王锶源 | Pure cotton noniron finish liquid |
| CN108729219A (en) * | 2017-04-14 | 2018-11-02 | 射阳天源化工有限公司 | Finishing agent with noniron finish function and the method for DP finish of cotton fabric |
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