Antistatic polyester

An anti-static and polyester technology, applied in the field of anti-static polyester, can solve the problems of difficult processing, fabric contamination, low dielectric constant and conductivity, etc., and achieve excellent anti-static effect.

Inactive Publication Date: 2011-03-30
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The dielectric constant and conductivity of conventional polymer materials are very low. Fibers made of polymer materials are prone to static electricity when rubbed, and strong electrostatic discharges often lead to explosions in the chemical industry and integrated circuits in the electronics industry. Damage, static electricity also brings difficulties to textile post-processing and problems such as staining and sticking of fabrics

Method used

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  • Antistatic polyester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Transesterification reaction: Add 187 parts (weight) of ethylene glycol and 303 parts (weight) of dimethyl terephthalate (DMT) into the reactor, and add the catalyst at the same time, the amount added (by polymer weight) It is PC-50 (structural formula: The same below), the content of titanium element is 5ppm relative to the weight of polyester, the content of calcium acetate is 900ppm relative to the weight of polyester, the content of antioxidant IR1010 is 0.1wt% relative to the weight of polyester, and the antifoaming agent methyl silicone oil The content is 0.13wt% relative to the weight of the polyester, the final temperature of the esterification is controlled at 240-250°C, and the transesterification reaction is carried out, and the stabilizer trimethyl phosphate, which is 0.043wt% by weight of the polyester, is added to the completion of the transesterification of methanol. Then distill ethylene glycol under normal pressure for 30 minutes, add 6.0 wt% sodiu...

Embodiment 2

[0028] Reaction raw material, reaction condition and device are the same as embodiment 1,

[0029] The addition amount of titanium element in the catalyst PC-50 is 10ppm

[0030] The amount of calcium acetate added is 900ppm

[0031] The addition amount of polyethylene glycol 10000 is 8.4wt%

[0032] The amount of sodium dodecylbenzenesulfonate added is 6wt%.

Embodiment 3

[0034] Reaction raw material, reaction condition and device are the same as embodiment 1,

[0035] The addition amount of titanium element in the catalyst PC-50 is 5ppm

[0036] The amount of calcium acetate added is 500ppm

[0037] The addition amount of polyethylene glycol 10000 is 8.4wt%

[0038] The amount of sodium dodecylbenzenesulfonate added is 6wt%.

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PUM

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Abstract

The invention discloses an antistatic polyester at least containing a compound A, a compound B, a compound C and a compound D, wherein the compound A is from a titanium compound; the compound B is from a calcium compound or a magnesium compound; the compound C is from a polyether type compound antistatic intensifier; and the compound D is from an organic sulphosalts antistatic agent. The antistatic polyester is produced by adopting a non-heavy metal compound catalyst as a catalyst of ester exchange reaction and using a non-antimony compound as a catalyst of polycondensation reaction and achieves the requirements for health and environmental protection; and in addition, the invention has better antistatic effect by adding the polyether type compound antistatic intensifier.

Description

technical field [0001] The present invention relates to an antistatic polyester. Background technique [0002] At present, antimony compounds and heavy metal compounds are widely used as catalysts in the in-situ polymerization method. Although the catalytic effect of antimony compounds is very good, in the process of catalytic synthesis of polyester, antimony catalysts will cause environmental pollution. Although germanium-based compounds have good performance and the color tone of the obtained polymer is also good, they cannot be commercialized due to their high price. In addition, although the price of aluminum-based catalysts is low, the activity is relatively low, requiring a relatively high amount of addition, and the cost-effectiveness is not good. [0003] For example, Chinese patent CN 101362821 discloses a method for preparing PTT polyester chips and antistatic PTT polyester fibers. In its embodiment, an antimony-based catalyst is used as the catalyst in the polyc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/85C08G63/83C08G63/66C08K5/42
Inventor 吴亚薇赵锁林杨娟
Owner TORAY FIBER RES INST(CHINA) CO LTD
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