CN105350319A - Method for grafting and modifying cashmere - Google Patents
Method for grafting and modifying cashmere Download PDFInfo
- Publication number
- CN105350319A CN105350319A CN201510700956.7A CN201510700956A CN105350319A CN 105350319 A CN105350319 A CN 105350319A CN 201510700956 A CN201510700956 A CN 201510700956A CN 105350319 A CN105350319 A CN 105350319A
- Authority
- CN
- China
- Prior art keywords
- cashmere
- minutes
- reaction
- temperature
- graft modification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/06—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of animal origin, e.g. wool or silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention discloses a method for grafting and modifying cashmere. The method comprises the following steps: adding cashmere to-be-processed in a reaction medium, preheating the cashmere for 15-20 minutes at temperature being 30-80 DEG C, keeping the temperature at 30-80 DEG C, adding an initiator for reacting the cashmere for 10-15 minutes; preheating a grafting monomer and an emulsifier for 15-20 minutes at temperate being 30-80 DEG C, keeping temperature at 30-80 DEG C and reacting a mixture for 10-15 minutes; adding a reactant in the above step in an emulsified monomer, adjusting a pH value of a reaction system to 3-7, keeping the temperature at 30-80 DEG C, performing a grafting reaction for 30-180 minutes and terminating the reaction to obtain the grafted and modified cashmere, and drying the grafted and modified cashmere. The method improves the performance of the cashmere and establishes a base for research and development of an anti-cashmere static material, the method has the advantages of good grafting effect and simple process, and provides a novel path for increasing an added value of the cashmere.
Description
Technical field
The present invention relates to material modified and preparing technical field, particularly relate to a kind of method of cashmere being carried out to graft modification.
Background technology
Goat cashmere is rare special animal fiber, and cashmere dress ornament has a lot of good characteristic.But because the surface morphological structure of cashmere fiber and physical property make cashmere textiles that felting, easily pilling can occur, have impact on its performance.To the felt proofing of cashmere textiles, the research and development of ANTIPILLING technology, always be the focus that textile technology personnel study.Adopt chemical method to carry out graft modification to wool fibre, make it increase weight, not only can give wool fabric abundant, plentiful feel, and its anti-pilling property can be strengthened.
Chemically causing vinyl monomer and protein grafting is that a very large domain variability has research very early.Main method has the grafting of cerium salt inducement vinyl monomer and cellulose, starch, hair, silk, persulfate causes wool and vinyl monomer carries out grafting, hydrogen peroxide-thiocarbamide causes vinyl monomer and wool grafting etc., but the process graft effect of above-mentioned prior art is unsatisfactory, technique also seems complicated, limits the development of cashmere product.
Summary of the invention
The object of this invention is to provide a kind of method of cashmere being carried out to graft modification, the method improve the performance of cashmere, lay a good foundation for researching and developing anti-cashmere anti-static material, and the method graft effect is good, technique simple, for the added value improving cashmere opens new route.
Cashmere is carried out to a method for graft modification, described method comprises:
Step 1, pending cashmere is added in reaction medium, preheating 15 ~ 20 minutes at temperature is 30 ~ 80 DEG C, and holding temperature 30 ~ 80 DEG C, to add after initator reaction 10 ~ 15 minutes;
Step 2, by the preheating 15 ~ 20 minutes at temperature 30 ~ 80 DEG C of grafted monomers and emulsifying agent, and holding temperature 30 ~ 80 DEG C reaction 10 ~ 15 minutes;
Step 3, the obtained emulsified monomer of step 2 will be added in reactant obtained for step 1, and regulate the pH value of reaction system 3 ~ 7, holding temperature 30 ~ 80 DEG C, carry out graft reaction cessation reaction after 30 ~ 180 minutes, obtain the cashmere after graft modification;
Step 4, the cashmere after described graft modification carried out drying process.
The ratio of quality and the number of copies of above-mentioned involved each reactant is: pending cashmere 5 ~ 70, grafted monomers 3 ~ 140, emulsifying agent 1 ~ 4 and initator 7 ~ 100.
Described pending cashmere comprises the white suede of grey suede or Qinghe;
Described grafted monomers is acrylonitrile;
Described emulsifying agent comprise in anion emulsifier, cationic emulsifier, nonionic emulsifier and amphoteric emulsifier one or more;
Described initator comprises redox type initiators or peroxide type initiators.
In step 1, described reaction medium comprises the one in distilled water, deionized water or pure water;
In step 3, the mass ratio of pending cashmere and reaction medium is 20 ~ 400.
As seen from the above technical solution provided by the invention, the method improving the performance of cashmere, laying a good foundation for researching and developing anti-cashmere anti-static material, and the method graft effect is good, technique simple, for the added value improving cashmere opens new route.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 provides by the embodiment of the present invention method flow schematic diagram cashmere being carried out to graft modification;
Fig. 2 is that the infared spectrum of example argali suede of the present invention and modification cashmere contrasts schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, be illustrated in figure 1 the embodiment of the present invention method flow schematic diagram cashmere being carried out to graft modification is provided, described method comprises:
Step 1, pending cashmere is added in reaction medium, preheating 15 ~ 20 minutes at temperature is 30 ~ 80 DEG C, and holding temperature 30 ~ 80 DEG C, to add after initator reaction 10 ~ 15 minutes;
In this step, described reaction medium comprises the one in distilled water, deionized water or pure water.
Step 2, by the preheating 15 ~ 20 minutes at temperature 30 ~ 80 DEG C of grafted monomers and emulsifying agent, and holding temperature 30 ~ 80 DEG C reaction 10 ~ 15 minutes;
Step 3, the obtained emulsified monomer of step 2 will be added in reactant obtained for step 1, and regulate the pH value of reaction system 3 ~ 7, holding temperature 30 ~ 80 DEG C, carry out graft reaction cessation reaction after 30 ~ 180 minutes, obtain the cashmere after graft modification;
In this step, the mass ratio of pending cashmere and reaction medium is 20 ~ 400.
Step 4, the cashmere after described graft modification carried out drying process.
In addition, the ratio of quality and the number of copies of above-mentioned involved each reactant is: pending cashmere 5 ~ 70, grafted monomers 3 ~ 140, emulsifying agent 1 ~ 4 and initator 7 ~ 100.Here, specifically with the minimum reactant quality of quality in every secondary response for 1, remaining reaction material amount is done than represented ratio of quality and the number of copies respectively with quality minimal reaction material amount.
In specific implementation, described pending cashmere comprises the white suede of grey suede or Qinghe; Described grafted monomers is acrylonitrile; Described emulsifying agent comprise in anion emulsifier, cationic emulsifier, nonionic emulsifier and amphoteric emulsifier one or more; Described initator comprises redox type initiators or peroxide type initiators.
With concrete example, above-mentioned modified technique method is described in detail below:
Embodiment 1, first take each reactant by following number: cashmere 1.8g, deionized water 75g, acrylonitrile 1.8g, department class 60 (emulsifying agent) 0.1g, ammonium persulfate-sodium bisulfite-iron ammonium sulfate (initator) 0.91g.
Then, operate as follows:
1) cashmere of weight described above is placed in reaction medium, the preheating 20 minutes when temperature is 60 DEG C, holding temperature 60 DEG C adds initiator for reaction 15 minutes;
2) by the preheating 15 minutes when temperature is 60 DEG C of the graft reaction monomer of weight described above and emulsifying agent, holding temperature 60 DEG C reaction 10 minutes;
3) to step 1) add step 2 in obtained reactant) obtained emulsified monomer, the pH value regulating reaction system is 7, and holding temperature 60 DEG C carries out graft reaction cessation reaction after 120 minutes.
4) cashmere is dry, the cashmere of graft modification namely, cashmere rate of body weight gain is 40%.
Embodiment 2, first take each reactant by following number: cashmere 2g, deionized water 65g, acrylonitrile 0.7g, department class 60 (emulsifying agent) 0.1g, hydrogen peroxide-iron ammonium sulfate (initator) 0.14g.
Then, operate as follows:
1) by the cashmere of weight described above and deionized water, the preheating 15 minutes when temperature is 60 DEG C, holding temperature 60 DEG C adds initiator for reaction 15 minutes;
2) by the preheating 15 minutes when temperature is 60 DEG C of the graft reaction monomer of weight described above and emulsifying agent, holding temperature 60 DEG C reaction 15 minutes;
3) to step 1) add step 2 in obtained reactant) obtained emulsified monomer, the pH value regulating reaction system is 5, and holding temperature 60 DEG C carries out graft reaction cessation reaction after 180 minutes.
4) cashmere is dry, the cashmere of graft modification namely, cashmere rate of body weight gain is 24%.
Embodiment 3, first take each reactant by following number: cashmere 0.6g, deionized water 85g, acrylonitrile 1.8g, department class 60 (emulsifying agent) 0.1g, ammonium persulfate-sodium bisulfite-iron ammonium sulfate (initator) 0.91g.
Then, operate as follows:
1) by the cashmere of weight described above and deionized water, the preheating 20 minutes when temperature is 40 DEG C, holding temperature 40 DEG C adds initiator for reaction 10 minutes;
2) by the preheating 20 minutes when temperature is 40 DEG C of the graft reaction monomer of weight described above and emulsifying agent, holding temperature 40 DEG C reaction 15 minutes;
3) to step 1) add step 2 in obtained reactant) obtained emulsified monomer, the pH value regulating reaction system is 7, and holding temperature 40 DEG C carries out graft reaction cessation reaction after 120 minutes.
4) cashmere is dry, the cashmere of graft modification namely, cashmere rate of body weight gain is 20%.
The infared spectrum being illustrated in figure 2 example argali suede of the present invention and modification cashmere contrasts schematic diagram, as shown in Figure 2: knit except the key band of cashmere, also at 1465cm except retaining not connect in the PAN grafting cashmere copolymer curve after grafting
- 1, 2243cm
-1new bands of a spectrum are produced at place.Wherein, 2243cm
-1place is cyano group stretching vibration absworption peak, 1465cm
-1place is methylene flexural vibrations absworption peak.Above-mentioned analysis result shows, the characteristic absorption peak of methylene and cyano group obviously strengthens, and demonstrates acrylonitrile and carried out graft polymerization reaction on cashmere.
Recycling electromicroscopic photograph contrasts without the argali suede of chemical modification and the cashmere fiber after acrylonitrile graft modification: there is obvious scale on the argali suede surface without chemical modification, and the cashmere fiber after acrylonitrile graft modification, because surface there occurs graft reaction, scale place is smooth-out, significantly improves the performance of the fiber of cashmere.Because these scales are the main causes causing the easy balling-up of cashmere product, therefore modified cashmere fiber will improve this problem.
In sum, the process that the embodiment of the present invention provides improves the performance of cashmere, lays a good foundation for researching and developing anti-cashmere anti-static material, and the method graft effect is good, technique simple, for the added value improving cashmere opens new route.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. cashmere is carried out to a method for graft modification, it is characterized in that, described method comprises:
Step 1, pending cashmere is added in reaction medium, preheating 15 ~ 20 minutes at temperature is 30 ~ 80 DEG C, and holding temperature 30 ~ 80 DEG C, to add after initator reaction 10 ~ 15 minutes;
Step 2, by the preheating 15 ~ 20 minutes at temperature 30 ~ 80 DEG C of grafted monomers and emulsifying agent, and holding temperature 30 ~ 80 DEG C reaction 10 ~ 15 minutes;
Step 3, the obtained emulsified monomer of step 2 will be added in reactant obtained for step 1, and regulate the pH value of reaction system 3 ~ 7, holding temperature 30 ~ 80 DEG C, carry out graft reaction cessation reaction after 30 ~ 180 minutes, obtain the cashmere after graft modification;
Step 4, the cashmere after described graft modification carried out drying process.
2. according to claim 1 cashmere is carried out to the method for graft modification, it is characterized in that,
The ratio of quality and the number of copies of above-mentioned involved each reactant is: pending cashmere 5 ~ 70, grafted monomers 3 ~ 140, emulsifying agent 1 ~ 4 and initator 7 ~ 100.
3. cashmere is carried out to the method for graft modification according to claim 1 or 2, it is characterized in that,
Described pending cashmere comprises the white suede of grey suede or Qinghe;
Described grafted monomers is acrylonitrile;
Described emulsifying agent comprise in anion emulsifier, cationic emulsifier, nonionic emulsifier and amphoteric emulsifier one or more;
Described initator comprises redox type initiators or peroxide type initiators.
4. according to claim 1 cashmere is carried out to the method for graft modification, it is characterized in that,
In step 1, described reaction medium comprises the one in distilled water, deionized water or pure water;
The mass ratio of described pending cashmere and reaction medium is 20 ~ 400.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700956.7A CN105350319A (en) | 2015-10-26 | 2015-10-26 | Method for grafting and modifying cashmere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700956.7A CN105350319A (en) | 2015-10-26 | 2015-10-26 | Method for grafting and modifying cashmere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105350319A true CN105350319A (en) | 2016-02-24 |
Family
ID=55326374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510700956.7A Pending CN105350319A (en) | 2015-10-26 | 2015-10-26 | Method for grafting and modifying cashmere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105350319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638227A (en) * | 2021-09-08 | 2021-11-12 | 江南织造府(宁波)线业有限公司 | Antistatic cashmere product and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468986A (en) * | 2003-07-01 | 2004-01-21 | 张建华 | Animal protein and acrylonitrile grafting copolymerizing fiber and its production process |
| CN102350311A (en) * | 2011-07-15 | 2012-02-15 | 陕西科技大学 | Preparation of keratin adsorbent, and method for treating wastewater containing trivalent chromium |
| CN103721684A (en) * | 2013-12-25 | 2014-04-16 | 中国科学院化学研究所 | Animal hair-grafted polypropylene amine oxime fiber material and preparation method thereof |
-
2015
- 2015-10-26 CN CN201510700956.7A patent/CN105350319A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468986A (en) * | 2003-07-01 | 2004-01-21 | 张建华 | Animal protein and acrylonitrile grafting copolymerizing fiber and its production process |
| CN102350311A (en) * | 2011-07-15 | 2012-02-15 | 陕西科技大学 | Preparation of keratin adsorbent, and method for treating wastewater containing trivalent chromium |
| CN103721684A (en) * | 2013-12-25 | 2014-04-16 | 中国科学院化学研究所 | Animal hair-grafted polypropylene amine oxime fiber material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 尹中龙等: ""丙烯腈接枝改性羊毛纤维的影响因素研究"", 《皮革科学与工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638227A (en) * | 2021-09-08 | 2021-11-12 | 江南织造府(宁波)线业有限公司 | Antistatic cashmere product and preparation method thereof |
| CN113638227B (en) * | 2021-09-08 | 2023-08-18 | 江南织造府(宁波)线业有限公司 | Antistatic cashmere product and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950006267B1 (en) | Polymer emulsion containing an interpenetrating polymer network | |
| CN108276581A (en) | A kind of synthetic method of low solvent block silicone oil and the hand feel finishing agent for including the low solvent block silicone oil | |
| CN102432772B (en) | Synthesis method of quaternized organosilicon modified acrylate emulsion | |
| CN107805308A (en) | A kind of dynamic aggregation thing and its application with hybrid cross-linked network | |
| JP2018506657A (en) | Method for treating fiber substrates using a fluorine-free composition comprising a (meth) acrylate-containing polymer compound derived from isocyanate | |
| CN107881784A (en) | A kind of cation fluoride acrylate textile finishing agent and preparation method thereof | |
| CN103232826B (en) | Heat-stabilized acrylate adhesive used for waterproof coiled material blank base cloth, and preparation method thereof | |
| CN103665258B (en) | A kind of preparation method and applications of dry strengthening agent used for making papers | |
| CN105418824B (en) | Controllable acrylic acid ester emulsion of a kind of reactivity and preparation method thereof | |
| Jinping et al. | Graft copolymerization modification of silk fabric with an organophosphorus flame retardant | |
| Zhu et al. | Effect of amphoteric grafting branch on the adhesion of starch to textile fibers | |
| US2468716A (en) | Treatment of hydrogen-donor textile materials and products thereof | |
| CN103044627B (en) | Pilling resistant agent emulsion for wool fabrics and preparation method thereof | |
| CN105350319A (en) | Method for grafting and modifying cashmere | |
| CN108623736B (en) | Self-crosslinking polyvinyl acetate film-forming agent and preparation method and application thereof | |
| US4857585A (en) | Stable amphoteric aqueous dispersions of synthetic polymers | |
| CN105442320A (en) | Hyperbranched anti-crease finishing agent as well as preparation method and application thereof | |
| Gong et al. | Silicone acrylate dispersion based on semi-continuous seed emulsion polymerization using polymerizable emulsifiers | |
| CN113308887B (en) | Dyeing process of polyester cloth | |
| NO147515B (en) | FORK TRUCK. | |
| CN104072661A (en) | Amino-containing fluorosilicone modified acrylate emulsion and preparation method thereof | |
| CN103696255A (en) | Method for realizing noniron finishing of pure cotton fabric by using electron beam radiation fast curing crosslinking agent | |
| KR102552542B1 (en) | Multi-functional one-component fastness enhancer for knitted fibers and manufacturing method of it | |
| CN105273119B (en) | A kind of preparation method of high degree of polymerization of polyvinyl chloride resin | |
| FI76813C (en) | Stable and amphoteric latexes of copolymers based on conjugated dyes. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |