CN103541081B - A kind of preparation method of heterochromatic polyester-cotton blend melange yarn - Google Patents

A kind of preparation method of heterochromatic polyester-cotton blend melange yarn Download PDF

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Publication number
CN103541081B
CN103541081B CN201310529184.6A CN201310529184A CN103541081B CN 103541081 B CN103541081 B CN 103541081B CN 201310529184 A CN201310529184 A CN 201310529184A CN 103541081 B CN103541081 B CN 103541081B
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cotton
bleaching
cation
modified
polyester
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CN103541081A (en
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朱小朋
朱海波
万震
汪佩群
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BROS EASTERN Co Ltd
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BROS EASTERN Co Ltd
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Abstract

The present invention is applicable to field of textiles, provide a kind of preparation method of heterochromatic polyester-cotton blend melange yarn, by monochromatic fiber, cation-modified cotton, bleaching cotton and the first blending resultant yarn of white terylene, dye, described cation-modified cotton is that cotton or sliver are carried out cation-modified process again after bleaching again.The present invention is by the polyester cotton blending resultant yarn by monochromatic fiber, cation-modified cotton, the cotton and white terylene of bleaching, property dyes the polyester-cotton blend melange yarn of two or three tone again, also can dye the middle light color blending effect that contrast is larger, and easy and simple to handle, production procedure is short, and energy consumption is low.

Description

A kind of preparation method of heterochromatic polyester-cotton blend melange yarn
Technical field
The invention belongs to field of textiles, particularly relate to a kind of preparation method of heterochromatic polyester-cotton blend melange yarn.
Background technology
Common polyester-cotton blend melange yarn adopts look to spin mode, and namely white terylene, Bai Mian, dyeing (Masterbatch) terylene or dyed cotton carry out blended colour yarn, but it is long to there is the friendship phase, the shortcoming that small lot colour-spun yarns unit price is high.White polyester directly goes to dye by some factory that dyes cloth for this reason, single dye cotton or single dye terylene are to reach the color blending effect of monotone, but because ratio that is cotton in yarn or terylene is at least 35%, be difficult to dye the larger middle light color blending effect of contrast, especially the light color spinning remarkably style and spy's light color cannot be imitated, as the color blending effect of 1-20% ratio dull fiber and white fiber.
White polyester as dyed the color blending effect of two kinds of tones, then generally adopts two bath methods, namely use Dyeing of Cotton Fabric with Reactive Dyes and disperse dyeing of polyester respectively, but this method operation is long, energy consumption is high; Or employing single bath process, but owing to contaminating cotton and contaminating the process conditions mutual exclusion of washing, need substep to carry out one by one, operate also more loaded down with trivial details.Existing this polyester-cotton blend melange yarn product shade is single, and production procedure is long, and energy consumption is higher, and stays white effect without few fibers in finished product.
Summary of the invention
The object of the invention is to: the preparation method providing a kind of heterochromatic polyester-cotton blend melange yarn, be intended to solve existing polyester-cotton blend melange yarn product shade single, production procedure is long, the problem that energy consumption is higher.
The object of the present invention is achieved like this:
A preparation method for heterochromatic polyester-cotton blend melange yarn, by monochromatic fiber, cation-modified cotton, bleaching cotton and the first blending resultant yarn of white terylene, then dye, described cation-modified cotton is that cotton or sliver are carried out cation-modified process again after bleaching.
Described dyeing is specially, and under salt-free alkali-free condition, only uses anionic dyes to dye, or under salt-free alkali-free condition, a bath is synchronous uses food coloring and DISPERSE DYES, adopts dyeing terylene technique to carry out high-temperature pressure dyeing.
When adopting a bath Synchronos method dyeing, DISPERSE DYES consumption controls the 0.1-1.5% in terylene composition weight, does not carry out reduction cleaning after dyeing, only uses polyester-cotton blend detergent to carry out removal loose colour of soaping.
Described cotton or sliver to be carried out in the process of cation-modified process after bleaching again, adopt percarbonic acid oxide or perboric acid oxide to carry out bleaching as bleaching powder, do not need during bleaching to add alkali, bleaching after washing 1 time, then carry out cation-modified.
Described bleaching powder consumption is 1-10 grams per liter, and treatment temperature is 50-80 DEG C, and the time is 5-40 minute.
Outstanding advantages of the present invention is: the present invention passes through monochromatic fiber, cation-modified cotton, bleaching cotton and white blend polyester resultant yarn, for improving the vividness of rear road dyed yarn, cotton carries out cation-modified process again after bleaching, the blended yarn of gained, under salt-free alkali-free condition, duotone color blending effect can be obtained when only using anionic dyes to dye, as one bath synchronously use REACTIVE DYES (food coloring) and DISPERSE DYES application polyester fibre at high temp and pressure dyeing to dye time, process operations is easy, the polyester-cotton blend melange yarn of three kinds of different tones can be obtained.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The preparation method of heterochromatic polyester-cotton blend melange yarn provided by the invention by monochromatic fiber, cation-modified cotton, bleaching cotton and the first blending resultant yarn of white terylene (can be the spinning styles such as conventional blended yarn, slub yarn or section coloured yarn), then dyes.
Described monochromatic fiber is dyed cotton or the painted terylene of Masterbatch, the most frequently used color during its color can adopt traditional colour to spin, as blue in black, coffee color or cowboy, described dyed cotton is the cotton through REACTIVE DYES, reducing dye or sulfur dyeing, and comparatively conventional is that black is cotton, coffee color is cotton.
In the present invention, above-mentioned dyeing specifically refers to, under salt-free alkali-free condition, only use anionic dyes to dye, can obtain duotone color blending effect, namely dyed cotton retains native color, and cationic modified cotton contaminates, and bleaching cotton and white terylene stay white; Or under salt-free alkali-free condition, one bath is synchronous uses food coloring and DISPERSE DYES, dyeing terylene technique is adopted to carry out high-temperature pressure dyeing, the polyester-cotton blend melange yarn of three kinds of different tones can be obtained, i.e. cationic modified cotton and the terylene composition different tone of upper dye respectively, the slightly staining of white cotton composition, and dyed cotton retains native color substantially, or painted terylene adds the tone of DISPERSE DYES on native color basis.When adopting a bath Synchronos method dyeing, DISPERSE DYES consumption controls the 0.1-1.5% in terylene composition weight, does not carry out reduction cleaning after dyeing, only uses polyester-cotton blend detergent (preferred moral mulberry Span-RT) to carry out removal loose colour of soaping.
Due to REACTIVE DYES facile hydrolysis under high-temperature and high-pressure conditions, cause color stable not, substantially unhydrolyzed food coloring when therefore selecting high temperature in the present invention.After yarn dyeing terminates, the reduction cleaning of terylene post processing can not be used in order to avoid cause the pigment of dye to be destroyed, the present invention is middle light consumption by limiting DISPERSE DYES, effectively removes the loose colour washed with in cotton component when soaping to facilitate follow-up use special polyester-cotton blend detergent.
The modification that existing blended yarn component mostly is raw cotton or raw cotton process is cotton, the product colour that after causing yarn, road dyes is bright-coloured not, on the other hand, if existing blended yarn applies bleaching before dyeing, bleaching agent wherein can destroy the modifier in yarn and have a strong impact on Color.For this reason, in the present invention, described cation-modified cotton is that cotton or sliver are carried out cation-modified process gained again after bleaching, the cation-modified cotton so obtained can use anionic dye to dye under salt-free, alkali-free condition, dyestuff in dye liquor can be exhausted fast and completely, and the color dyed can be very bright-coloured.
The modal bleaching method of existing cotton fiber is hydrogen peroxide oxygen bleaching, but needs after hydrogen peroxide bleaching repeatedly to wash and pickling, finally uses deoxidation ferment treatment thoroughly to eliminate residual hydrogen peroxide.If hydrogen peroxide oxygen bleaching process controls bad, hydrogen peroxide is removed and is not always caused follow-up cation-modified process irregular, and this bleaching process time is long, needs to add alkali twice.For this reason, percarbonic acid oxide (as percarbonate) or perboric acid oxide (as perborate) is used to carry out bleaching as bleaching powder in the present invention, compare hydrogen peroxide, percarbonic acid oxide or perboric acid oxide affect less on cation modifier, only need washing together to carry out modification after cotton fiber bleaching, do not need during bleaching to add alkali, when only needing modification, once add alkali, activity time is short, easy to operate.Cotton or sliver directly can carry out bleaching in stock dyeing machine, and concrete bleaching process parameter is: 1-10 grams per liter bleaching powder, and treatment temperature is 50-80 DEG C, and the time is 5-40 minute; Bleaching after washing 1 time, then carry out cation-modified.
It is below the specific embodiment of the preparation method of heterochromatic polyester-cotton blend melange yarn provided by the invention.
Embodiment 1:
Select 100KG cotton, in stock dyeing machine, carry out bleaching.Technological parameter is: 5 grams per liter GR-1228 bleaching powder, and treatment temperature is 80 DEG C, and the time is 30 minutes.Bleaching after washing 1 time, then carry out cation-modified process, obtain cationic modified cotton.Select the black cotton of BH of 5 kilograms of REACTIVE DYES processing, 5 kilograms of cationic modified cottons, 50 kilograms of bleachings are cotton, 40 kilograms of white terylene, and become background color to be the black color polyester of section with the blending of section color style mode, the color component in its stage casing is cationic modified cotton.This yarn uses 0.5% active red dye to dye under neutral salt-free conditions, can the section of obtaining coloured silk be red, and background color is the middle light polyester-cotton blend Fancy Yarns that black, white colour mixture is adjusted.
Embodiment 2:
Select 100KG cotton, in stock dyeing machine, carry out bleaching.Technological parameter is: 6 grams per liter GR-1228 bleaching powder, and treatment temperature is 70 DEG C, and the time is 20 minutes.Bleaching after washing 1 time, then carry out cation-modified process, obtain cationic modified cotton.Select the black coffee look of 10 kilograms of REACTIVE DYES processing cotton, 10 kilograms of cationic modified cottons, 40 kilograms of bleachings are cotton, and 40 kilograms of white terylene, blending becomes the polyester of black coffee look in a usual manner.This yarn is under salt-free alkali-free condition, one bath is synchronous uses use 0.4% lemon yellow food coloring and 0.5% disperse orange dye, dyeing terylene technique is adopted to carry out high-temperature pressure dyeing, wash after dyeing, and use moral mulberry Span-RT polyester-cotton blend detergent to carry out removal loose colour of soaping, the middle light polyester-cotton blend Fancy Yarns of black coffee, Huang, orange, white different tone can be obtained.
Embodiment 3:
Select 100KG sliver, in stock dyeing machine, carry out bleaching.Technological parameter is: 8 grams per liter GR-1228 bleaching powder, and treatment temperature is 55 DEG C, and the time is 40 minutes.Bleaching after washing 1 time, then carry out cation-modified process, obtain cationic modified cotton.Select the black terylene of green light that 5 kilograms of Masterbatchs are painted, 20 kilograms of cationic modified cottons, 20 kilograms of bleachings are cotton, and 55 kilograms of white terylene, become ring polyester with the blending of ring style, and wherein ring component is the black terylene of green light.This yarn is under salt-free alkali-free condition, one bath is synchronous uses use 0.7% sunset yellow food coloring and 1.0% dispersive red dye, dyeing terylene technique is adopted to carry out high-temperature pressure dyeing, wash after dyeing, and use moral mulberry Span-RT polyester-cotton blend detergent to carry out removal loose colour of soaping, can obtain ring is that ruddiness is black, and background color is the middle light polyester-cotton blend Fancy Yarns of yellow, red, white different tone.
In the present invention, if not refer in particular to, the unit of weight that all parts, amount are based on gross weight, all raw materials all can be buied from market.
The present invention is by the polyester cotton blending resultant yarn by monochromatic fiber, cation-modified cotton, the cotton and white terylene of bleaching, property dyes the polyester-cotton blend melange yarn of two or three tone again, also the middle light color blending effect that contrast is larger can be dyed, and it is easy and simple to handle, production procedure is short, and energy consumption is low, is the excellent raw material of processing T-shirt, Casual Wear etc., be conducive to reducing plant stock and tail list to overstock, the phase can be handed over by Rapid Product.In addition, this blended yarn also can be used for underwaist, toy sample clothing, socks, handkerchief etc., and easy, quick, autonomous DIY dyes the mixed color fancy yarn effect of middle light two kinds of tones.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (3)

1. the preparation method of a heterochromatic polyester-cotton blend melange yarn, it is characterized in that, by monochromatic fiber, cation-modified cotton, bleaching cotton and the first blending resultant yarn of white terylene, then dye, described cation-modified cotton is that cotton or sliver are carried out cation-modified process again after bleaching; Described dyeing is specially under salt-free alkali-free condition, only uses anionic dyes to dye, or under salt-free alkali-free condition, a bath is synchronous uses food coloring and DISPERSE DYES, adopts dyeing terylene technique to carry out high-temperature pressure dyeing; Described cotton or sliver to be carried out in the process of cation-modified process after bleaching again, adopt percarbonic acid oxide or perboric acid oxide to carry out bleaching as bleaching powder, do not need during bleaching to add alkali, bleaching after washing 1 time, then carry out cation-modified.
2. the preparation method of heterochromatic polyester-cotton blend melange yarn as claimed in claim 1, it is characterized in that, when adopting a bath Synchronos method dyeing, DISPERSE DYES consumption controls the 0.1-1.5% in terylene composition weight, do not carry out reduction cleaning after dyeing, only use polyester-cotton blend detergent to carry out removal loose colour of soaping.
3. the preparation method of heterochromatic polyester-cotton blend melange yarn as claimed in claim 1, is characterized in that, described bleaching powder consumption is 1-10 grams per liter, and treatment temperature is 50-80 DEG C, and the time is 5-40 minute.
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CN104947469A (en) * 2015-06-11 2015-09-30 常熟新锦江印染有限公司 One-bath bleaching and dyeing treatment process for dyed polyester-cotton twill fabric
CN105369418B (en) * 2015-09-30 2018-01-02 广东溢达纺织有限公司 A kind of preparation method of the yarn of the homochromy different depths
CN105239421A (en) * 2015-10-19 2016-01-13 绍兴市华绅纺织品整理有限公司 Method for producing heterochrome polyester viscose knitted fabric through low-salt and low-alkaline dyeing
CN105780262A (en) * 2016-05-11 2016-07-20 沂水恒泰纺园有限公司 Manufacturing process for weaving mini-jacquard and large-pattern clothing plain velvet fabric by adopting double-rapier loom
CN106223073B (en) * 2016-08-12 2018-08-17 青岛大学 A kind of one-bath one-step dyeing colouring method of polyester/cotton blended fabric
CN108589261A (en) * 2018-02-08 2018-09-28 百隆东方股份有限公司 A kind of production method of hollow warm-keeping cotton colour-spun yarns
CN108999003A (en) * 2018-09-11 2018-12-14 陈光勇 A kind of environmental protection surface treatment dyeing of cotton products
CN109355893A (en) * 2018-09-11 2019-02-19 陈光勇 A kind of environmentally friendly degreasing method for bleaching of cotton products
CN110172765A (en) * 2019-03-25 2019-08-27 合肥岸鲁意科技有限公司 A kind of production method of the blended single yarn dyeing of polyester-cotton blend
CN110055771A (en) * 2019-05-13 2019-07-26 乐象永续科技(杭州)有限公司 A kind of bleaching of textile material and method of modifying and purposes
CN110130090A (en) * 2019-05-23 2019-08-16 乐象永续科技(杭州)有限公司 One bath two stage process brightens and cation-modified methods and applications

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