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Low surface tension PET resin

A low surface tension, surface tension technology, applied in the field of engineering plastics, to achieve the effect of good separation

Inactive Publication Date: 2016-03-30
JIANGSU KINGFA SCI & TECH ADVANCED MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no literature report about PET resin with low surface tension. Therefore, it is necessary to study a PET resin with low surface tension to expand its application range.

Method used

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  • Low surface tension PET resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-12 and comparative example 1-3

[0032] According to the formula in Table 1, mix the PET resin, surface tension modifier and other additives in a high-speed mixer for 1-2 minutes to obtain a premix, and the premix is ​​passed through a twin-screw extruder at 240°C-260°C It can be obtained by melt extrusion, cooling and granulation. The surface tension test results are shown in Table 1.

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Abstract

The present invention discloses a low surface tension PET resin, which comprises, by weight, 78-99 parts of a PET resin and 0.5-10 parts of a surface tension modifier, wherein the surface tension modifier is one or a combination comprising a plurality of materials selected from polyethylene glycol, oxidized polyethylene wax, stearate, a metallic soap salt and stearamide. According to the present invention, the type and the use amount of the surface tension modifier are preferably selected to prepare the PET resin, wherein the prepared PET resin has significant lower surface tension properties, and can be well separated from the target substance.

Description

technical field [0001] The invention relates to the technical field of engineering plastics, in particular to a PET resin with low surface tension. Background technique [0002] Polyethylene terephthalate (PET) is a semi-crystalline engineering plastic with good mechanical properties, electrical properties, heat resistance and chemical resistance, etc. It is widely used in automobiles, electronics, electrical appliances and other industries . However, PET still has shortcomings. For example, when it is applied in the field of film, the surface tension of PET resin is very high, and it is difficult to separate it from the target object, thus limiting its application in the field of film. [0003] The film on the market mainly uses poly(4-methylpentene) TPX, which has a very low surface tension and can be separated from the target object. It is widely used as an LED packaging mold in the electronic packaging industry. [0004] At present, there is no literature report on PET...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L71/02C08L23/30C08K5/098C08K5/20C08K5/103
CPCC08L67/02C08K5/098C08K5/103C08K5/20C08L2203/206C08L71/02C08L23/30
Inventor 殷年伟陈年德卢立波易新蒋刚军
Owner JIANGSU KINGFA SCI & TECH ADVANCED MATERIALS CO LTD
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