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

Polyphenylene sulfide composition and fibers thereof

A technology of polyphenylene sulfide and composition, applied in the field of polyphenylene sulfide composition and its fibers, can solve the problems of hyperbranched PPS without commercial products, broken ends, and difficult to realize industrialization and commercialization

Inactive Publication Date: 2013-01-30
SINOTEX INVESTMENT & DEV CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the special structure and properties of PPS, its melt fluidity is poor, the spinnability is not good, and wool and broken ends are prone to occur in the spinning process.
Chinese patent publication CN1884640A mentions that hyperbranched PPS with lower molecular weight is used to improve melt fluidity, but hyperbranched PPS has no commercial products, and this method is difficult to realize industrialization and commercialization

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
  • Polyphenylene sulfide composition and fibers thereof
  • Polyphenylene sulfide composition and fibers thereof
  • Polyphenylene sulfide composition and fibers thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0028] The preparation of the composition of the present invention adopts a conventional method in the industry, that is, directly mixing polyester and polyphenylene sulfide with a linear structure according to the required ratio.

[0029] The spinning of the fiber of the present invention adopts conventional methods and devices for spinning polyphenylene sulfide fibers in the industry. The spinning process includes in sequence: pre-drying of the spinning raw material (the polyphenylene sulfide composition of the present invention), spinning, and stretching.

[0030] The pre-drying equipment can adopt a drum oven (such as ZG-type dynamic vacuum dryer). The spinning equipment can adopt the melt spinning machine ABEΦ25 of ABE Company of Japan, and the drawing equipment can adopt the drawing machine Barmag 30B of Barmag Spinzwirn Company of Germany.

[0031] Performance Testing

[0032] Spinnability: Measured by the maximum draw ratio and the number of broken ends.

[0033] Th...

Embodiment 1

[0039] raw material

[0040] PPS: purchased from Japan Polyplastics Corporation, the product name is 0316C.

[0041] PET: intrinsic viscosity 0.64

[0042] PBT: intrinsic viscosity 1.0

[0043] spinning equipment

[0044] ZG-type dynamic vacuum dryer (drum oven)

[0045] Melt spinning machine ABE Φ25, purchased from Japan ABE Company

[0046] Stretching machine Barmag 30B, purchased from Germany Barmag Spinzwirn company

[0047] Instruments for testing fiber breaking strength and elongation at break: Shimadzu AGS500 fiber strength machine, purchased from Japan Shimadzu Corporation

[0048] Preparation of the composition: 1 weight part of the above-mentioned PET and 99 weight parts of the above-mentioned PPS were uniformly mixed in a mixer.

[0049] Fiber preparation

[0050] Pre-drying: Put the PET and PPS composition obtained by mixing above in a ZG-type dynamic vacuum dryer, and pre-dry at 150° C. for 72 hours.

[0051] Spinning and drawing:

[0052] Spinning is car...

Embodiment 2

[0066] The raw materials and steps are the same as in Example 1, except that: 3 parts by weight of PET and 97 parts by weight of PPS are used to prepare the composition and perform spinning.

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 polyphenylene sulfide composition and fibers thereof. The composition comprises 95-99 wt% of polyphenylene sulfide and 1-5 wt% of a polyester. The composition has an improved spinnability, few broken filaments and broken ends when spinning, and no decrease of the mechanical properties of the spun fibers.

Description

technical field [0001] The invention relates to a polyphenylene sulfide composition and its fiber, in particular to a spinnable polyphenylene sulfide composition and its spun fiber. Background technique [0002] Polyphenylene sulfide (PPS) is a high molecular compound with sulfur atoms. It has a melting point of 280-290°C and a thermal decomposition temperature of about 430°C. It can be used for a long time at 230°C. It has high temperature resistance, radiation resistance and flame retardancy. , High dimensional stability, good flux resistance and chemical corrosion resistance, excellent dielectric properties and wear resistance and other characteristics. [0003] Therefore, polyphenylene sulfide fiber is widely used in the filtration system of acid waste gas in power plants and various protective clothing. [0004] However, due to the special structure and properties of PPS, its melt fluidity is poor, the spinnability is not good, and wool and broken ends are prone to occ...

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
IPC IPC(8): C08L81/02C08L67/00C08L67/02D01F6/94D01F1/10
Inventor 刘森林张士全季平夏卫江毛锡中诸嘉禾
Owner SINOTEX INVESTMENT & DEV CO LTD
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