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High-performance antistatic polyester material and preparation method thereof

A polyester material and antistatic technology, applied in the field of high-performance antistatic polyester material and its preparation, can solve the problems of a large amount of carbon nanotubes added, harm to human body and electrical appliances, unfavorable industrialized production, and the like, and the preparation method is simple. High efficiency, improved toughening effect, easy industrial production effect

Active Publication Date: 2020-04-14
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, during the use of polyester materials used in the fields of electrical appliance casings, especially in low-humidity environments, charges tend to accumulate on the surface of the material, and under certain conditions, static electricity will be released, causing harm to the human body and electrical appliances.
Patent CN102675836 A invented a conductive / antistatic polyester PET composite material, but its carbon nanotubes are added in a large amount, and the preparation process is cumbersome, which is not conducive to realizing industrial production

Method used

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  • High-performance antistatic polyester material and preparation method thereof
  • High-performance antistatic polyester material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035]80 parts of PBT, 0.4 parts of epoxidized multi-walled carbon nanotubes and 0.3 parts of tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester were premixed uniformly at room temperature, Then the premix is ​​fed into the conveying section of the twin-screw extruder from the main feeding port, and 20 parts of ethylene-vinyl acetate-glycidyl methacrylate terpolymer is fed into the twin-screw extruder through No. 1 side feed Melt blending, and then add 1 part of chain extender ADR4370 into twin-screw extruder through No. ester material.

Embodiment 2

[0037] 80 parts of PET, 0.3 parts of epoxidized multi-walled carbon nanotubes, 0.2 parts of tris[2,4-di-tert-butylphenyl]phosphite and β-(3,5-di-tert-butyl-4-hydroxy 0.2 part of n-octadecanyl phenyl) propionate is premixed evenly at room temperature, and then the premix is ​​added to the conveying section of the twin-screw extruder through the main feeding port, and the ethylene-vinyl acetate 20 parts of ester-glycidyl methacrylate terpolymers are added to the twin-screw extruder for melt blending, and then 0.8 parts of chain extender ADR4468 are added to the twin-screw extruder through No. 2 side feeding through continuous melt extrusion ( The extrusion temperature is 255° C., and the screw speed is 180 rpm) to obtain a high-performance antistatic polyester material.

Embodiment 3

[0039] 75 parts of PBT, 0.3 parts of epoxidized graphene, 0.15 parts of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, tris[2,4-di-tert-butyl 0.15 parts of phenyl] phosphite and 0.1 parts of solid paraffin are premixed evenly at room temperature, and then the premix is ​​added to the conveying section of the twin-screw extruder through the main feeding port, and the ethylene-acetic acid Add 8 parts of vinyl ester-glycidyl methacrylate terpolymer and 17 parts of ethylene-vinyl acetate binary copolymer into twin-screw extruder for melt blending, and then feed 1.2 parts of chain extender through No. 2 side feeder Hexamethylene diisocyanate is added into a twin-screw extruder and subjected to continuous melt extrusion (extrusion temperature is 235° C., screw speed is 210 rpm) to obtain a high-performance antistatic polyester material.

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Abstract

The invention discloses a high-performance antistatic polyester material and a preparation method thereof, and belongs to the technical field of polymer processing and modification. The high-performance antistatic polyester material is prepared from 65 to 90 parts of a polyester, 5 to 35 parts of an elastomer, 0.1 to 5 parts of epoxidized carbon-based particles, 0.05 to 3 parts of a chain extenderand 0.01 to 5 parts of a functional additive. The high-performance antistatic polyester material disclosed by the invention not only has excellent mechanical properties, but also can obtain antistatic properties under the condition that the addition amount of carbon-based particles is very low, has excellent hydrolysis resistance, is simple and convenient in preparation method, can be widely applied to the fields of plastic structural parts, electric appliance shells and the like, and has a promising prospect.

Description

technical field [0001] The invention relates to a high-performance antistatic polyester material and a preparation method thereof, belonging to the technical field of polymer processing and modification. Background technique [0002] Polybutylene terephthalate (PBT) and polyethylene terephthalate (PET) plastics are two commonly used polyester materials. Because of its high strength, fatigue resistance, dimensional stability, small creep, heat aging resistance, and good processing performance, it is widely used in automobiles, electronic appliances, industrial machinery and other fields. However, PBT and PET also have obvious disadvantages, for example, they are very sensitive to notches and have low notch impact strength, which are their main shortcomings as engineering plastics, and insufficient toughness has also become a major obstacle to popularization and application. Therefore, the research on the toughening modification of PBT and PET has always been an important con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L23/08C08K9/04C08K3/04C08K5/134C08K5/526C08K5/29C08K5/09
CPCC08L67/02C08L2201/04C08L2205/03C08L2205/035C08L23/0884C08K9/04C08K3/041C08K5/1345C08K5/526C08L23/0815C08K13/06C08K3/042C08K5/29C08K5/09
Inventor 马丕明吴保钩操莹徐鹏武东为富
Owner JIANGNAN UNIV