CN107604707A - Cashmere low temperature dyeing assistant, the method for its low temperature dyeing cashmere and its purposes for improving fastness to wet rubbing - Google Patents

Cashmere low temperature dyeing assistant, the method for its low temperature dyeing cashmere and its purposes for improving fastness to wet rubbing Download PDF

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CN107604707A
CN107604707A CN201710990553.XA CN201710990553A CN107604707A CN 107604707 A CN107604707 A CN 107604707A CN 201710990553 A CN201710990553 A CN 201710990553A CN 107604707 A CN107604707 A CN 107604707A
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cashmere
low temperature
component
temperature dyeing
dyeing assistant
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CN107604707B (en
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黄潇涵
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Abstract

The present invention discloses a kind of cashmere low temperature dyeing assistant, the method for its low temperature dyeing cashmere and its purposes for improving cashmere product fastness to wet rubbing, is related to textile fabric dyeing manufacture field.Dyeing assistant includes：Component (a)：Include the amine oxide of at least one following formula：Wherein, R is the aliphatic group with 12 18 carbon atoms, R1The aliphatic group for being unsubstituted with 14 carbon atoms or being optionally substituted by a hydroxyl group；Component (b)：Compound (b1) comprising at least one following formula：C12‑18H25‑37‑O‑(CH2‑CH2‑O)8‑16H, and the compound (b2) of at least one following formula：

Description

Cashmere low temperature dyeing assistant, the method for its low temperature dyeing cashmere and its wet for improving The purposes of crock fastness
Technical field
The present invention relates to the dyeing and finishing manufacture field of weaving face fabric, is helped more particularly to a kind of low temperature dyeing of cashmere product Agent, using the method for its low temperature dyeing cashmere and its purposes for improving fastness to wet rubbing.
Background technology
Cashmere product is so that its is comfortable and easy to wear, light and warm, feel slides that glutinous, fine and smooth, gloss is soft is favored by consumer.Cashmere Fibre number is thin, and the boiling dyeing at normal pressure dyeing that relative wool fiber scale is thin, close, conventional, fiber is produced larger Damage, cashmere fiber strength and fibre length is caused to reduce, feel is coarse, and the gloss of fabric, vividness are deteriorated so that yellowing.
Cashmere low temperature dyeing can then save the energy, reduce damage, prevent feel coarse and yellowing.Low temperature common at present Colouring method has cellulase treatment low temperature dyeing method, organic amine Pretreatment of Low-temperature decoration method, plasma pretreatment low temperature dyeing method And low temperature dyeing assistant method etc., wherein low temperature dyeing assistant method because its is easy to use, without excessive change dyeing installation and Process conditions and be used widely, but existing low temperature dyeing assistant, have that initial stage dye-uptake is too high, and dyestuff gathers in fiber Surface, when particularly contaminating dark product, the problem of cashmere product fastness to wet rubbing is too low.
The content of the invention
(1) technical problems to be solved
The defects of existing for prior art, an object of the present invention there is provided a kind of low temperature dyeing assistant, pass through 45-60min is dyed at 85-90 DEG C to cashmere fiber using the auxiliary agent, not only Color is good, and fibre damage is small, the production cycle Short, less energy consumption, production cost is low, also unexpectedly slows down dye-uptake at initial stage, effectively improves cashmere product fastness to wet rubbing.
The second object of the present invention there is provided the method using above-mentioned low temperature dyeing assistant low temperature dyeing cashmere.
The third object of the present invention there is provided above-mentioned cashmere low temperature dyeing assistant and be used to improve cashmere product wet friction jail The purposes of degree.
(2) technical scheme
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
The application provides a kind of cashmere low temperature dyeing assistant, includes following component：
Component (a)：Include the amine oxide of at least one following formula：
Wherein, R is the aliphatic group for having 12-18 carbon atom, R1It is there is the unsubstituted of 1-4 carbon atom or by hydroxyl Substituted aliphatic group；
Component (b)：The compound (b1) of at least one following formula：
C12-18H25-37-O-(CH2-CH2-O)8-16H,
With the compound (b2) of at least one following formula：Wherein x+y=15- 30, and the weight ratio of (b1) and (b2) is 1:2-1:3；
Component (c)：Carboxymethyl chitosan；
Component (d)：Urea；
Component (e)：Isobutanol；With
The water of surplus.
According to the present invention, wherein, component (a) is N, N- Dimethyl-N-dodecyl amine oxides, N, N- dimethyl-N -s ten Six alkyl amine oxides, N, N- dibutyl-N- dodecyl amine oxides, N, N- pairs-(beta-hydroxyethyl)-N- stearyl amine oxides, N, N- dimethyl-N-oil base amine oxide, N, N- dimethyl-N-myristyl amine oxides, N, the oxidation of N- dimethyl-N -s lauryl Amine, N, N- pairs-(beta-hydroxyethyl)-N- animal tallow amine oxides, N, N- pairs-(beta-hydroxyethyl)-N- coconut fat amine oxides, and One or more in N, N- pairs-(beta-hydroxyethyl)-N- oil base amine oxides.
Based on low temperature dyeing assistant gross weight, component (a) content is 20-30wt%, preferably 25-28wt%.
According to the present invention, component (b1) is C18H37-O-(CH2-CH2-O)10H, C18H37-O-(CH2-CH2-O)15H, C18H37-O-(CH2-CH2-O)16H, C16H33-O-(CH2-CH2-O)12H, C16H33-O-(CH2-CH2-O)14H, C16H33-O- (CH2-CH2-O)16H, C14H29-O-(CH2-CH2-O)12H, C14H29-O-(CH2-CH2-O)14H, C14H29-O-(CH2-CH2-O)16H, C12H25-O-(CH2-CH2-O)14H, C12H25-O-(CH2-CH2-O)16One or more in H.
Component (b2) is,
In one or more.
(b1) it is 1 with the weight ratio of (b2)：2,1:2.2,1:2.5,1:2.8,1:3.Based on low temperature dyeing assistant gross weight, Wherein, component (b) content is 20-35wt%, preferably 25-30wt%.
The deacetylation of component (c) carboxymethyl chitosan is 0.83-0.90, viscosity average molecular weigh 8000-25000, base In low temperature dyeing assistant gross weight, wherein component (c) content is 5-8wt%；Based on low temperature dyeing assistant gross weight, component (d) Content is 3-5wt%, and component (e) content is 8-12wt%；Surplus is water.
Prepare the present invention low temperature dyeing assistant product during, by by component (a), (b), (c), (d), (e) and Water being stirred at room temperature.
The invention further relates to cashmere low-temperature dyeing method, using the above-mentioned cashmere low temperature dyeing assistant of the application, in 85-90 Dyeing insulation 45-60min at DEG C, the amount based on cashmere, low temperature dyeing assistant dosage is 1-5wt%, it is preferred that low temperature dyeing Auxiliary dosage is 1.5-3wt%.
It is used for the purposes for improving cashmere product fastness to wet rubbing the invention further relates to above-mentioned low temperature dyeing assistant.Cashmere can be with Dyed in the form of dissipating suede, rove, yarn, woven fabric or knitted fabric.Can be as needed in addition in dye bath in dyeing course Middle addition glauber salt, acetic acid, cashmere protective agent and pH adjusting agent etc., dyestuff can be reactive dye for wool, such as lanasol contaminates Material, acid mordant dye, 1: 1 premetallized dye etc., dyed using the dye method that exhausts of routine.Dyeing installation is using routine Hank-dyeing machine, yarn package dyeing machine, beam dyeing machine and jet overflow dyeing machine etc..
(3) beneficial effect
The beneficial effects of the invention are as follows：
The cooperation that the present invention passes through various ingredients so that cashmere low temperature dyeing excellent effect, initial stage, dye-uptake obtained Effectively alleviate, fastness to wet rubbing is effectively increased, and dyeing temperature is low, and Color is good, cashmere fiber gloss excellent touch, and fiber is strong Power decline unobvious, less energy consumption, production cost are low.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further, so that those skilled in the art can be more clearly Understand, but and be not so limited the present invention.
Material used in following examples, reagent etc. are commercially available, unless otherwise indicated.
Experimental method used in following examples is conventional method, unless otherwise indicated.
Test performance and method of testing
To the product utilization GB/T3920-2008 standard testing wet friction performances of dyeing；
With 723 type spectrophotometer measurement absorbances, the dye-uptake at calculating T moment：
Dye-uptake E=[(A0—AT)/A0] × 100%
In formula：A0For the absorbance of original solution；ATFor the T moment when dyeing residual liquid absorbance.
Embodiment 1-6 and comparative example 1-6 low-temperature dyeing method：By dyestuff, low temperature dyeing assistant, acetic acid 1% and water It is added in dye vat and stirs, cashmere yarn is put into dye bath and dyed, control programming rate treats temperature in 1 DEG C/min Degree rises to 85-90 DEG C, is incubated 60min, then drains dye liquor, is dehydrated, drying, bath raio l:25.
The low-temperature dyeing method of comparative example 8, on the basis of above-mentioned colouring method, do not add low temperature dyeing assistant.
The conventional boiling dye colouring method of comparative example 7, on the basis of above-mentioned colouring method, does not add low temperature dyeing assistant, Conventional cashmere levelling agent is added, temperature rises to 98 DEG C, is incubated 60min.
Dyestuff is respectively the red 6G of lanasol, Mordant Black PV.
The each component of low temperature dyeing assistant is as follows in embodiment：
Component (a) is respectively：(a1) N, N- dimethyl-N-hexadecyl base amine oxide, (a2) N, N- dibutyl-N- 12 Alkyl amine oxide, (a3) N, N- dimethyl-N-oil base amine oxides；
Component (b1) is：(b11)C18H37-O-(CH2-CH2-O)10H, (b12) C14H29-O-(CH2-CH2-O)14H；
Component (b2) is：(b21) (b22)
Component (c)：Carboxymethyl chitosan, deacetylation 0.86, viscosity average molecular weigh 15000；
Component (d)：Urea；
Component (e)：Isobutanol
Surplus is water.
The low temperature dyeing assistant each component dosage of addition is as shown in the table：
Table 1
When dyestuff is the red 6G of lannasol, dye dosage 2%, low temperature dyeing assistant dosage is 1.5wt%, 85 DEG C Insulation, dye-uptake % and fastness to wet rubbing such as table 2 below：
Table 2
Wherein, comparative example 6 is commercially available low temperature dyeing assistant.
Comparative example 7 adds conventional cashmere levelling agent, 98 DEG C of insulation 60min not add low temperature dyeing assistant.
Comparative example 8 is not add low temperature dyeing assistant, low temperature dyeing.
When dyestuff is Mordant Black PV, dye dosage 5%, low temperature dyeing assistant dosage is 2.5wt%, and 90 DEG C are incubated, Dye-uptake % and fastness to wet rubbing such as table 3 below：
Table 3
For different dyestuffs it can be seen from upper table 2 and the experimental result of table 3, the low temperature dyeing of the present invention is used The embodiment 1-6 of auxiliary agent effectively alleviates the dye-uptake of dyeing at initial stage, and the relative comparison for being not added with low temperature dyeing assistant Example 8, the comparative example 7 of conventional boiling dye, the comparative example 6 of the existing cryogenic booster of in the market have the fastness to wet rubbing significantly improved； Meanwhile relative to be not added with the comparative example 1 of component (c) and (d), the comparative example 2 for being not added with component (b2), component (b1) and (b2) ratio is 1:1 comparative example 3 and the comparative example 5 for being not added with component (b2), (c) and (d), it may have significantly improve Fastness to wet rubbing, synergistically coordinate so as to demonstrate each component, effectively alleviate initial stage dyeing dye-uptake and meanwhile improve The fastness to wet rubbing of pollutant.
It is to be appreciated that the description carried out above to the specific embodiment of the present invention is simply to illustrate that the skill of the present invention Art route and feature, its object is to allow those skilled in the art to understand present disclosure and implement according to this, but The present invention is not limited to above-mentioned particular implementation.Every various change made within the scope of the claims is repaiied Decorations, it should all cover within the scope of the present invention.

Claims (10)

  1. A kind of 1. cashmere low temperature dyeing assistant, it is characterised in that：Comprising：
    Component (a)：Include the amine oxide of at least one following formula：
    Wherein, R is the aliphatic group for having 12-18 carbon atom, R1It is that there is the unsubstituted of 1-4 carbon atom or be optionally substituted by a hydroxyl group Aliphatic group；
    Component (b)：Compound (b1) comprising at least one following formula：
    C12-18H25-37-O-(CH2-CH2-O)8-16H,
    With the compound (b2) of at least one following formula：Wherein, x+y=15-30, and (b1) it is 1 with the weight ratio of (b2):2-1:3；
    Component (c)：Carboxymethyl chitosan；
    Component (d)：Urea；
    Component (e)：Isobutanol；With
    The water of surplus.
  2. 2. cashmere low temperature dyeing assistant as claimed in claim 1, it is characterised in that：The component (a) is N, N- dimethyl-N -s Dodecyl amine oxide, N, N- dimethyl-N-hexadecyl base amine oxides, N, N- dibutyl-N- dodecyl amine oxides, N, N- Double-(beta-hydroxyethyl)-N- stearyl amine oxides, N, N- dimethyl-N-oil base amine oxides, N, N- dimethyl-N-myristyls Amine oxide, N, N- dimethyl-N-lauryl amine oxides, N, N- pairs-(beta-hydroxyethyl)-N- animal tallow amine oxides, N, N- pairs- One or more in (beta-hydroxyethyl)-N- coconut fat amine oxides, and N, N- pairs-(beta-hydroxyethyl)-N- oil base amine oxides.
  3. 3. cashmere low temperature dyeing assistant as claimed in claim 1, it is characterised in that：The component (b1) is C18H37-O-(CH2- CH2-O)10H, C18H37-O-(CH2-CH2-O)15H, C18H37-O-(CH2-CH2-O)16H, C16H33-O-(CH2-CH2-O)12H, C16H33-O-(CH2-CH2-O)14H, C16H33-O-(CH2-CH2-O)16H, C14H29-O-(CH2-CH2-O)12H, C14H29-O-(CH2- CH2-O)14H, C14H29-O-(CH2-CH2-O)16H, C12H25-O-(CH2-CH2-O)14H, C12H25-O-(CH2-CH2-O)16In H One or more, preferably C18H37-O-(CH2-CH2-O)16H, C16H33-O-(CH2-CH2-O)12H, C16H33-O-(CH2-CH2-O)14H, C16H33-O-(CH2-CH2-O)16H, C14H29-O-(CH2-CH2-O)12H, C14H29-O-(CH2-CH2-O)14One kind in H or It is a variety of.
  4. 4. cashmere low temperature dyeing assistant as claimed in claim 1, it is characterised in that：The component (b2) is
    In one or more.
  5. 5. cashmere low temperature dyeing assistant as claimed in claim 1, it is characterised in that：Component (c) the carboxymethyl chitosan Deacetylation be 0.83-0.90, viscosity average molecular weigh 8000-25000.
  6. 6. the cashmere low temperature dyeing assistant as described in claim any one of 1-5, it is characterised in that：It is total based on low temperature dyeing assistant Weight, component (a) content are 20-30wt%, preferably 25-28wt%, and component (b) content is 20-35wt%, preferably 25- 30wt%, component (c) content are 5-8wt%；Component (d) content is 3-5wt%, and component (e) content is 8-12wt%；Surplus is Water.
  7. A kind of 7. cashmere low-temperature dyeing method, it is characterised in that：The cashmere described in claim any one of 1-6 is added in dyeing Low temperature dyeing assistant, dyeing insulation 45-60min, the amount based on cashmere, the low temperature dyeing assistant dosage are at 85-90 DEG C 1-5wt%.
  8. 8. method as claimed in claim 7, it is characterised in that：Amount based on cashmere, the low temperature dyeing assistant dosage are 1.5-3wt%.
  9. 9. the cashmere low temperature dyeing assistant as described in claim any one of 1-6 is used for the use for improving cashmere product fastness to wet rubbing On the way.
  10. 10. purposes as claimed in claim 9, it is characterised in that：Amount based on cashmere, the low temperature dyeing assistant dosage are 1.5-3wt%.
CN201710990553.XA 2017-10-23 2017-10-23 Cashmere low-temperature dyeing auxiliary, method for dyeing cashmere at low temperature and application of cashmere low-temperature dyeing auxiliary to improvement of wet rubbing fastness Active CN107604707B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1136614A (en) * 1995-05-18 1996-11-27 希巴-盖吉股份公司 Dye assistant product and its use on wool dyeing
CN102817251A (en) * 2012-08-09 2012-12-12 西安工程大学 Preparation method and application method of low-temperature low-chromium dyeing auxiliary agent of acidic medium dye for wool
CN103451972A (en) * 2013-09-10 2013-12-18 河北宏业羊绒有限公司 Low-temperature dyeing auxiliary and application thereof
CN105463880A (en) * 2015-12-15 2016-04-06 桐乡市濮院羊毛衫职业技术学校 Cashmere dyeing assistant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1136614A (en) * 1995-05-18 1996-11-27 希巴-盖吉股份公司 Dye assistant product and its use on wool dyeing
CN102817251A (en) * 2012-08-09 2012-12-12 西安工程大学 Preparation method and application method of low-temperature low-chromium dyeing auxiliary agent of acidic medium dye for wool
CN103451972A (en) * 2013-09-10 2013-12-18 河北宏业羊绒有限公司 Low-temperature dyeing auxiliary and application thereof
CN105463880A (en) * 2015-12-15 2016-04-06 桐乡市濮院羊毛衫职业技术学校 Cashmere dyeing assistant

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