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

A kind of non-twisted sheath-core type two-component elastic yarn and its preparation method

A skin-core, elastic yarn technology, applied in filament/thread forming, adding pigment in spinning solution, conjugated synthetic polymer rayon, etc. problem, to achieve the effect of large porosity, stable curling and high melting point

Active Publication Date: 2022-01-11
绍兴喜能纺织科技有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of too low porosity and insufficient water absorption and water-holding capacity in current wicking materials, the present invention proposes a non-twisted sheath-core type two-component elastic yarn and its preparation method, by reducing the weight ratio of the cortex and improving the quality of the cortex. Measures such as melting point and improving the hydrophilicity of the cortex improve the porosity, water absorption and water holding capacity of the wicking material, and the preparation method is simple

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 kind of non-twisted sheath-core type two-component elastic yarn and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A preparation method of a non-twisted sheath-core type two-component elastic yarn is as follows:

[0041] (1) The material of the skin layer is a semi-glossy hydrophilic modified polyester with a melting point of 220°C, an intrinsic viscosity of 0.64dl / g, and a conventional moisture regain of 1.5%. The core material is a semi-glossy conventional polyester with a melting point of 261°C and an intrinsic viscosity It is 0.69dl / g, and the mass ratio of cortex material and core layer material is 20:80;

[0042] The skin-core type two-component composite spinning method is adopted: the skin layer material and the core layer material are melted through the screw, the spinning temperature of the skin layer is controlled at 272°C, and the spinning temperature of the core layer is 288°C, and then the spinning of the skin layer and the core layer is carried out by a metering pump. The silk melt is transported to the spinning assembly, and at the same time passes through a distribu...

Embodiment 2

[0048] A preparation method of a non-twist sheath-core type two-component elastic yarn is the same as that in Example 1, and step (3) passes 2 sheath-core type elastic yarns with S twist direction and 2 Z twist direction through a composite machine, Prepare non-twisted sheath-core bicomponent elastic yarn 2.

[0049] The cross-section of the monofilament of the non-twist sheath-core bicomponent elastic yarn 2 is a sheath-core structure, the fineness is 1334dtex, the crimp shrinkage rate is 15%, no network point, no oil agent, no twist.

Embodiment 3

[0051] A method for preparing colored non-twisted sheath-core type two-component elastic yarn is as follows:

[0052] (1) The skin layer material is bright hydrophilic modified polyester without matting agent, the melting point is 225°C, the intrinsic viscosity is 0.67dl / g, the official moisture regain is 1.2%, and the core layer material is semi-gloss conventional polyester and carbon Black masterbatch (accounting for 3% of the mass ratio of the core layer), with a melting point of 261°C, an intrinsic viscosity of 0.69dl / g, and a mass ratio of the skin layer material to the core layer material of 18:82;

[0053] Using the sheath-core type two-component composite spinning method, the carbon black masterbatch and semi-gloss conventional polyester are mixed to form the core layer material, and then the skin layer material and the core layer material are melted by the screw, and the skin layer spinning temperature is controlled at 273°C. The spinning temperature of the core layer...

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
melting pointaaaaaaaaaa
melting pointaaaaaaaaaa
melting pointaaaaaaaaaa
Login to View More

Abstract

The invention relates to the field of differentiated chemical fibers. In order to solve the problems of too low porosity and insufficient water absorption and water-holding capacity in current wicking materials, the invention proposes a non-twisted sheath-core type two-component elastic yarn and a preparation method thereof. The cortex material is modified polyester, the core material includes conventional polyester, the elastic yarn fineness is 667dtex~2667dtex, the crimp shrinkage rate is 10%~30%, no network point, no oil agent, no twist, by reducing the weight of the cortex Compared with measures such as increasing the melting point of the cortex and improving the hydrophilicity of the cortex, the porosity, water absorption and water holding capacity of the wicking material are improved, and the preparation method is simple and convenient.

Description

technical field [0001] The invention relates to the field of differential chemical fibers, in particular to a sheath-core bicomponent elastic yarn and a preparation method thereof. Background technique [0002] At present, there are many different products for sheath-core bicomponent fibers, and different products meet different user needs. For example, nylon-polyester sheath-core bicomponent fiber wraps nylon on the outside of polyester, so that the composite fiber has both the dyeability of nylon and the backbone of polyester, and the price is cheaper than nylon. 180°C sheath-core low-melting point bicomponent fiber is made by wrapping 180°C modified polyester on the outside of ordinary polyester. It mainly plays the role of bonding and is mostly used in screens, curtains and other products. In the field of wicking and filter materials, it is initially formed by bonding ordinary polyester high-elastic yarns with glue. This method is not environmentally friendly due to the...

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): D01F8/14D01F1/04D01D5/34D02G1/02
CPCD01F8/14D01F1/04D01D5/34D02G1/0206
Inventor 缪国华张娜
Owner 绍兴喜能纺织科技有限公司
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