Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Cotton-simulated terylene short fiber and preparation method thereof

A polyester staple fiber and cotton-like technology, which is applied in the field of cotton-like polyester staple fiber and its preparation, can solve the problems of weak hydrophilicity of polyester, complex yield of composite spinning process, etc., and achieves a dry feeling and a simple and easy production method. , the process is simple and practical effect

Active Publication Date: 2010-09-15
XUZHOU SILK FIBER TECH
View PDF5 Cites 33 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the problems of complex spinning process and low output in the prior art, and makes up for the disadvantages of polyester fabrics having weak hydrophilicity and feeling wet and stuffy when worn.

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation

[0036] A kind of preparation method of imitation cotton polyester staple fiber, concrete steps are:

[0037] The mixture of polyester PET chips, calcium sulfate, ECDP and PEG is dried in a vacuum drum oven, and the mass percent of its raw materials is:

[0038] Calcium Sulfate 0.1%

[0039] PEG: molecular weight 4000 1%

[0040] ECDP: Intrinsic viscosity is 0.56 1%

[0041] PET chips: intrinsic viscosity 0.68 97.9%

[0042] Melt-spun polyester raw yarn through a three-lobed spinneret at 270-280°C, then winds, doffs, balances, guides, pre-stretches and oils, and then stretches once or twice After alkali treatment, tension heat setting, curling, relaxation heat setting, cutting and packaging are finally carried out, and finally the product imitation cotton polyester staple fiber is obtained;

[0043] In the cotton-like polyester staple fiber, the content of calcium sulfate is 0-0.01 wt%, the content of PEG is 1 wt%, and the content of ECDP is 1 wt%.

...

Embodiment 2

[0046] Preparation

[0047] Same as embodiment 1, wherein: the special-shaped spinneret is a flat spinneret.

[0048] The mass percent of its raw material is:

[0049] Calcium Sulfate 0.5%

[0050] PEG: molecular weight 5000 3%

[0051] ECDP: Intrinsic viscosity is 0.58dL / g 3%

[0052] PET chips: intrinsic viscosity 0.70dL / g 93.5%

[0053] In the cotton-like polyester staple fiber, the content of calcium sulfate is 0.05-0.15 wt%, the content of PEG is 3 wt%, and the content of ECDP is 3 wt%.

Embodiment 3

[0055] Preparation

[0056] Same as embodiment 1, wherein: the special-shaped spinneret is a hollow spinneret.

[0057] The mass percent of its raw material is:

[0058] Calcium Sulfate 1%

[0059] PEG: molecular weight 6000 5%

[0060] ECDP: Intrinsic viscosity is 0.60dL / g 5%

[0061] PET chips: intrinsic viscosity 0.72dL / g 89%

[0062] In the cotton-like polyester staple fiber, the content of calcium sulfate is 0.2-0.3 wt%, the content of PEG is 5 wt%, and the content of ECDP is 5 wt%.

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

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
diameteraaaaaaaaaa
heightaaaaaaaaaa
Login to View More

Abstract

The invention provides a cotton-simulated terylene short fiber. Concave pits are formed on the surface of the cotton-simulated terylene short fiber; and the cotton-simulated terylene short fiber comprises 0-1 percent by weight of calcium sulphate, 1-10 percent by weight of PEG (Polyethylene Glycol) and 1-10 percent by weight of ECDP (Easy Cationic Dyeable Polyester). The invention also provides a preparation method of the cotton-simulated terylene short fiber, comprising the following steps of: slicing the PET; drying a mixture of the calcium sulphate, the ECDP and the PEG and fusing and spinning the mixture into a terylene raw filament at 270-280DEG C by using a profile spinneret; carrying out winding, doffing, balanced bundle collection, wire guiding, pre-stretching and oiling; after primary or secondary stretching, dissolving out partial calcium sulphate in the soaking process by alkali treatment to form mocropores on the surfaces of fibers; and finally carrying out tense heat setting, curling, loosed heat setting, cutting and packaging to obtain the cotton-simulated terylene short fiber. The invention solves the problems that a compound spinning process in the prior art is not only complicated, but also has low yield and makes up the defects that the terylene has poor hydrophilicity and the textile is humid and muggy to wear.

Description

technical field [0001] The invention relates to a cotton-like polyester staple fiber and a preparation method thereof, in particular to a cotton-like polyester staple fiber which is melt-spun by adding inorganic particles and then subjected to alkali treatment to form pits on the surface of the fiber and a preparation method thereof. Background technique [0002] At present, the production capacity of the polyester industry has increased rapidly since the 21st century. At present, the domestic polyester production capacity exceeds 20 million tons per year, but the operating rate is very low, the price of raw materials is high, the added value of products is low, and the price of finished products is low. Ester enterprises suffer serious losses, and many have to shut down their plants. Under such circumstances, the development and production of high value-added functional polyester products, energy saving and cost reduction have become the themes of future development of many ...

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 Applications(China)
IPC IPC(8): D01F6/92D01F1/08D01D5/08D01D11/00
Inventor 王朝生陈向玲王华平张玉梅李建武赵万金
Owner XUZHOU SILK FIBER TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com