Unlock instant, AI-driven research and patent intelligence for your innovation.

A dyeing method of blended modified fine denier dyeable polypropylene fiber

A technology of blending modification and dyeing method, which is applied in the direction of dyeing method, textile and papermaking, etc., to achieve the effect of improving dye uptake rate, uniformity and color fastness

Active Publication Date: 2016-04-20
SHANGHAI JUTONG IND
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the purpose of the present invention is to: disclose a kind of problem that solves the dyeing method of blending modified fine denier dyeable polypropylene fiber, to overcome the defect that existing dyeing technology exists

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A dyeing method of blended modified fine denier dyeable polypropylene fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Example 1, Preparation of blended modified fine denier dyeable polypropylene:

[0057] The first mixed monomer in the raw material is: a mixture of 59.76g of styrene and 0.24g of triethylene glycol dimethacrylate; in the second mixed monomer, each component is: 20g of styrene, methyl methacrylate 17g, 8g butyl acrylate, 5g sodium methacrylate.

[0058] in N 2 Under protection, add 3.6g of sodium lauryl sulfate and 220g of deionized water into the four-neck flask, heat and dissolve in a water bath, add 17g of the first mixed monomer, mechanically stir for 3Omin for pre-emulsification, and raise the temperature to 75°C , add 0.35g of ammonium persulfate to initiate the reaction, keep stirring until the product appears blue;

[0059] Add the remaining 43g of the first mixed monomer dropwise, control the dropping speed, finish dropping in 1.5h, and keep warm for 30min; add 0.4g ammonium persulfate, then add dropwise 50g of the second mixed monomer, control the dropping ...

Embodiment 2

[0063] Example 2, The fiber of embodiment 1, this fiber sample is dyed light red with following method, and step is as follows:

[0064] When dyeing, the blended modified fine-denier dyeable polypropylene fiber is added with water at a weight ratio of 1:40, and the dissolved cationic dye red X-GRL is added: 0.05%, and the amount of leveling agent 1227 is : 2.0%, Yuanmingfen 6.0%, the amount of acetic acid added is 0.5%. Start temperature control at 25°C. After running for 20 minutes, raise the temperature to 70°C at 0.5°C / min, and then run for 30 minutes. Subsequently, the temperature was raised to 100°C at 1.5°C / min. After running for 30 minutes, lower the temperature to 40°C at 3°C / min, drain the residual liquid, wash twice with water at 20°C, and finally dry the dyed fibers or dry them after functional finishing.

[0065] The addition amount of leveling agent, sodium sulfate and acetic acid is based on the weight of the blended modified fine-denier polypropylene fiber. ...

Embodiment 3

[0067] Example 3, Using the same method as in Example 1, 5 g of sodium methacrylate was selected as the ionic monomer to prepare a blended modified fine denier dyeable polypropylene fiber. The weight ratio of polymer core-shell structure ionic nanoparticle powder to polypropylene is 8:92, and the single filament fineness is 2dtex. The fiber sample is dyed blue by the following method:

[0068] When dyeing, add water to the blended modified fine-denier dyeable polypropylene fiber at a bath ratio of 1:35, add dissolved cationic blue SD-GSL1.0% and dispersed cationic yellow SD-5GL0.3%, Yuan Ming Powder 8%, acetic acid addition is 1.0%. Start to control the temperature at room temperature. After running for 20 minutes, raise the temperature to 70°C at 1°C / min and run for 30 minutes. Then the temperature was raised to 100°C at 1°C / min. After running for 50 minutes, lower it to 40°C at 3°C / min, drain the residual liquid, wash it twice with 40°C water, and finally dry the dyed fi...

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
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a dyeing method of blended modified fine-denier dyeable polypropylene, which belongs to the technical field of synthetic fabric dyeing. In the previous technology, the fine-denier polypropylene fiber has a tight structure, high crystallinity, no groups that interact with dye molecules, and extremely poor dyeing. Although the polyolefins and polyolefin derivatives added later, their polarity is still low, the affinity with disperse dyes is weak, and the dyeing effect is not good. The blended modified fine-denier dyeable polypropylene fiber currently described contains polymer core-shell structure ionic nano-particle powder, but the fine-denier polypropylene fiber spun after blending and modifying with polypropylene resin, because of its nano-particle shell The layer contains a large number of sulfonic acid groups and (or) carboxyl groups, which effectively improves the dyeability of polypropylene fibers. The blending modified fine-denier polypropylene dyeing method of this technology uses commercially available cationic dyes, disperse cationic dyes and disperse dye mixtures to dye the fine-denier polypropylene fibers, which can be dyed to medium-dark colors, and the color after dyeing is bright. Excellent uniformity and color fastness.

Description

technical field [0001] The invention relates to a dyeing method for blending and modifying fine-denier polypropylene fibers with polymer core-shell structure ionic nanoparticles, which is different from the dyeing of general fine-denier dyeable polypropylene fibers, and belongs to the technical field of synthetic fabric dyeing. Background technique [0002] Fine denier polypropylene is a new type of useful high-tech synthetic fiber. Due to the small size of the single filament, compared with ordinary polypropylene fiber, it has a qualitative leap in hand feeling, sweat absorption, breathability, and wearing comfort. It has a good wearing effect. performance. Its price is lower than that of natural fibers, so fine denier polypropylene fibers are very popular among consumers. However, due to the tight internal structure and high crystallinity of fine denier polypropylene fibers, there is no group that can interact with dye molecules, so the dyeing performance is extremely poo...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): D06P3/85
Inventor 俞成丙戚文迎陈赛赛殷雯青芮英宇
Owner SHANGHAI JUTONG IND