CN102296462B - One-bath treatment method of grafting, modifying and refining for real silk - Google Patents
One-bath treatment method of grafting, modifying and refining for real silk Download PDFInfo
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- CN102296462B CN102296462B CN 201110172933 CN201110172933A CN102296462B CN 102296462 B CN102296462 B CN 102296462B CN 201110172933 CN201110172933 CN 201110172933 CN 201110172933 A CN201110172933 A CN 201110172933A CN 102296462 B CN102296462 B CN 102296462B
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Abstract
The invention discloses a one-bath treatment method of grafting, modifying and refining for real silk. The method comprises the steps of putting pretreated real silk in refining liquid in which a cationic modifier is added for treatment, rinsing treated real silk and carrying out air drying. The invention not only enables the color fixing rate of reactive dyes for real silk to be greatly improved to 99%, and enables the process flow of refining, modifying and dyeing to be shortened and dry and wet rubbing fastness and soaping fastness to be higher than those of real silk obtained by conventional processes.
Description
Technical field
The present invention relates to a kind of silk broadcloth graft modification refining with bathing processing method.
Background technology
The dyeing of real silk textiles is generally all carried out after concise.Used dyestuff mainly is acid (comprising neutrality) dyestuff.Other, must carry out in alkaline medium though can obtain higher dyefastness such as sulfuration, reduction, azoic dyes insoluble azo dyes, easily destroy fibroin, fiber strength are descended, so generally should not adopt.The lovely luster of ACID DYES, chromatogram is complete, but wet colour fastness is relatively poor, and general middle look, dark color all will be passed through fixation treatment, and its wet colour fastness is met the requirements.The neutral dye fastness is better, but color and luster is bright-coloured not.Partly select at present REACTIVE DYES.REACTIVE DYES has good wet colour fastness and level dyeing performance, and bright in colour, and easy to use, chromatogram is complete, and is cheap.Owing to containing the reactable groups such as amino, hydroxyl in the silk fabrics, therefore REACTIVE DYES also can be used for its dyeing.Under alkali condition, cocoon fiber and REACTIVE DYES generation necleophilic reaction form covalent bonds and set, and the bond energy of its covalent bond is much larger than hydrogen bond, Van der Waals force, thereby application of active dyes real silk fabric, is expected to fundamentally solve the washing fastness problem.Silk is carried out reactive dyeing, and the REACTIVE DYES of employing comprises active X type, K type, KN type and double-active group dyestuff.Its dyeing soaping fastness can reach 4～5 grades, but need to be in fixation under the alkali condition.Because silk is with a large amount of negative electrical charges under the alkali condition, and dyestuff is also electronegative, electrostatic repulsion is so that REACTIVE DYES is very low to the direct dye-uptake of silk.Simultaneously, in order easily to boil loose colour after dyeing, usually can in dye molecule, introduce more electric charge, also affect the substantivity of REACTIVE DYES.Although so silk adopts reactive dyeing can obtain higher soaping fastness, degree of fixation is lower, the utilization rate of dyestuff is also lower, also can increase the weight of the pollution to environment.
Summary of the invention
The object of the present invention is to provide and a kind ofly make silk broadcloth graft modification refining that the dyeability behind the silk broadcloth dying effectively improves with bathing processing method.
Technical solution of the present invention is:
A kind of silk broadcloth graft modification refining is characterized in that with bathing processing method: comprise that pretreated silk broadcloth is put into the refining liquid that is added with cation modifier to be processed, then wash and dry.
The described refining liquid that is added with cation modifier is comprised of following ingredients:
The pH value for the treatment of fluid is 5-10, and temperature is 70-98 ℃; The processing time of silk broadcloth in being added with the refining liquid of cation modifier is 30-100 minute.
The bath raio of the processing of silk broadcloth in being added with the refining liquid of cation modifier is 10: 1.
Described preliminary treatment is to use 3g/LNa
2CO
3Pretreatment fluid under 70 ℃, processed 30 minutes, then use 90 ℃ of hot water wash 5 minutes.
Described cation modifier is PECH, Prefix k, grafting agent CY or HH-1688A.
The present invention has not only improved the degree of fixation of silk broadcloth REACTIVE DYES greatly, degree of fixation reaches 99%, and shortened the technological process of refining modification of and coloration, make in the dyeing course and can not use inorganic salts, and doing after dying, fastness to wet rubbing and soaping fastness are also better.
The invention will be further described below in conjunction with embodiment.
The specific embodiment
A kind of silk broadcloth graft modification refining comprises that with bathing processing method pretreated silk broadcloth is put into the refining liquid that is added with cation modifier to be processed, and then washes and dries.
The described refining liquid that is added with cation modifier is comprised of following ingredients:
The pH value for the treatment of fluid is 5-10 (example 5,7,10), and temperature is 70-98 ℃ (70 ℃, 85 ℃, 98 ℃ of examples); The processing time of silk broadcloth in being added with the refining liquid of cation modifier is 30-100 minute (example 30 minutes, 70 minutes, 100 minutes).
The bath raio of the processing of silk broadcloth in being added with the refining liquid of cation modifier is 10: 1.
Described preliminary treatment is to use 3g/LNa
2CO
3Pretreatment fluid under 70 ℃, processed 30 minutes, then use 90 ℃ of hot water wash 5 minutes.
Described cation modifier is PECH, Prefix k, grafting agent CY or HH-1688A.
The performance of DYED FABRICS sees the following form:
As seen from table, the K/S value of silk is apparently higher than unmodified silk after the modification, after namely being described, silk dyes with the yellow N-SR of the refined lattice element of REACTIVE DYES again, dye level increases, crock fastness and soaping fastness are also better, dry fastness reaches the 4-5 level, and fastness to wet rubbing reaches the 3-4 level, and the soaping fastness of silk reaches 4 grades after the modification.
Claims (1)
1. a silk broadcloth graft modification refining is characterized in that with bathing processing method: comprise that pretreated silk broadcloth is put into the refining liquid that is added with cation modifier to be processed, then wash and dry;
The described refining liquid that is added with cation modifier is comprised of following ingredients:
The pH value for the treatment of fluid is 5-10, and temperature is 70-98 ℃; The processing time of silk broadcloth in being added with the refining liquid of cation modifier is 30-100 minute;
The bath raio of the processing of silk broadcloth in being added with the refining liquid of cation modifier is 10:1; Described cation modifier is grafting agent CY; Described preliminary treatment is to use 3g/LNa
2CO
3Pretreatment fluid under 70 ℃, processed 30 minutes, then use 90 ℃ of hot water wash 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172933 CN102296462B (en) | 2011-06-24 | 2011-06-24 | One-bath treatment method of grafting, modifying and refining for real silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172933 CN102296462B (en) | 2011-06-24 | 2011-06-24 | One-bath treatment method of grafting, modifying and refining for real silk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102296462A CN102296462A (en) | 2011-12-28 |
| CN102296462B true CN102296462B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110172933 Expired - Fee Related CN102296462B (en) | 2011-06-24 | 2011-06-24 | One-bath treatment method of grafting, modifying and refining for real silk |
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| CN (1) | CN102296462B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088803A (en) * | 2015-08-26 | 2015-11-25 | 江苏恒源丝绸集团有限公司 | Antimicrobial and mothproof finishing method of silk |
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2011
- 2011-06-24 CN CN 201110172933 patent/CN102296462B/en not_active Expired - Fee Related
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| CN102296462A (en) | 2011-12-28 |
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