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Temperature-sensitive type finishing agent as well as preparation method and applications thereof

A technology of finishing agent and concentration, applied in the direction of plant fibers, etc., can solve problems such as difficult production, high cost, and certain irritating odor

Inactive Publication Date: 2013-10-02
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For example, the smart textile fabric disclosed in the patent CN200610013631.2 is to add the textile fabric that generates free radicals on the surface after the argon microwave low-temperature plasma initiation treatment to the 2 -Acrylamide-2-methylpropanesulfonic acid and N-isopropylacrylamide in the binary monomer solution for graft polymerization, so that the resulting binary smart gel is grafted on the fiber macromolecules of the textile However, the cost of this method is high, and it is difficult for ordinary enterprises to produce
In addition, the temperature-sensitive functional textile fabric disclosed in patent 200710019634.1 is to put the fabric into the working solution containing N-isopropylacrylamide and bridging agent N, N'-methylenebisacrylamide for padding, and then It is prepared by heat treatment. Unreacted N-isopropylacrylamide monomer remains in the textiles processed by this method, and there is a certain pungent smell

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Dissolve 10g of N-isopropylacrylamide in 75g of water, raise it to 75°C under nitrogen protection, then dissolve 0.06g of ammonium persulfate and 0.51g of hydroxyethyl acrylate in 25g of water, and add them dropwise to N- In the aqueous solution of isopropylacrylamide, the dropping time is 30min, (the molar ratio of N-isopropylacrylamide, hydroxyethyl acrylate, and ammonium persulfate is 100:5:0.3); stir at 75°C React for 3 hours, and obtain a colorless and transparent gel after cooling; soak the prepared gel in water, then wash and filter with 40°C water to remove unreacted monomers and initiators, and use the purified gel to 50 times the mass of water is dissolved and diluted to obtain a temperature-sensitive finishing agent containing a copolymer formed by N-alkylacrylamide monomers and functional monomers.

[0040] The temperature-sensitive finishing agent prepared above is used to process 100% polyester medium-thick fabrics.

[0041] Preparation of the mixed solut...

Embodiment 2

[0048] Dissolve 10g of N-isopropylacrylamide in 75g of water, rise to 70°C under nitrogen protection, dissolve 0.096g of potassium persulfate and 1.15g of methylene succinic acid in 25g of water, and add it dropwise to N -In the aqueous solution of isopropylacrylamide, the time for dropping is 30min, (the molar ratio of N-isopropylacrylamide, 4-hydroxybutyl acrylate, and potassium persulfate is 100:10:0.4); at 70°C The reaction was stirred for 4 hours under the conditions, and a colorless and transparent gel was obtained after cooling; the prepared gel was soaked in water, then heated to 45°C, filtered to remove unreacted monomers and initiators, and the purified The gel is dissolved and diluted with 50 times the mass of water to obtain a temperature-sensitive finishing agent containing a copolymer formed of N-alkylacrylamide monomers and functional monomers.

[0049] The temperature-sensitive finishing agent prepared above is used to process the 100% cotton fabric.

[0050] Pr...

Embodiment 3

[0055] Dissolve 10g of N-diethylacrylamide in 75g of water, rise to 60°C under nitrogen protection, dissolve 0.094g of sodium persulfate and 2.56g of hydroxypropyl acrylate in 25g of water, and add them dropwise to N-iso In the aqueous solution of propylacrylamide, the dropping time is 30min, (the molar ratio of N-diethylacrylamide, 4-hydroxybutyl acrylate, and sodium persulfate is 100:25:0.5); at 60°C Stir the reaction for 4 hours, and obtain a colorless and transparent gel after cooling; soak the prepared gel in water, then heat up to 45°C, filter, remove unreacted monomers and initiators, and purify the purified gel Dissolve and dilute with 50 times the mass of water to obtain a temperature-sensitive finishing agent containing a copolymer of N-alkylacrylamide monomers and functional monomers.

[0056] The T / C fabric (65 / 35) was processed with the above-mentioned temperature-sensitive finishing agent.

[0057] Preparation of the mixed solution:

[0058] Temperature-sensiti...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a temperature-sensitive type finishing agentas well as a preparation method and the applications thereof. The finishing agent mainly contains a copolymer formed by an N-alkyl acrylamide monomer and a functional monomer, has favorable temperature sensibility and reaction activity and can further react with crosslinkers (isocyanates, melamines or epoxies) when applied to textile finishing. The method is simple and practical, and the textiles have temperature sensibility, easy decontamination function at a low temperature and favorable durability.

Description

technical field [0001] The invention belongs to the field of intelligent textile finishing, and in particular relates to a temperature-sensitive finishing agent and a preparation method and application thereof. Background technique [0002] People have found that some gels will undergo reversible and discontinuous abrupt changes in their volume, strength, and hydrophilicity with changes in the environment such as temperature, pH, ionic strength, electric field, and light. Gels are known as environmentally sensitive gels. Therefore, there are many studies on polymers or their hydrogels with environmental responsiveness, especially temperature and pH responsiveness, and have been applied in the fields of drug controlled release, enzyme immobilization, separation and adsorption, and sensors. Similarly, this environmentally responsive substance has also been studied in the field of textiles. People hope to combine this environmentally responsive substance with textiles to obtai...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/285D06M15/263D06M101/34D06M101/32D06M101/04
Inventor 何彩霞黄松王小燕
Owner TORAY FIBER RES INST(CHINA) CO LTD
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