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Lasting and effective antistatic polyolefin composite material and preparation method thereof

A composite material, antistatic technology, applied in the field of polymer antistatic, can solve the problems of the color of plastic products affecting antistatic performance, poor cationic antistatic heat resistance, poor nonionic antistatic performance, etc., to achieve antistatic performance. Superior, good electrical conductivity, low saturated vapor pressure

Inactive Publication Date: 2015-03-25
ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two types of antistatic agents have their disadvantages. The cationic antistatic heat resistance is poor, and it is easy to decompose at high temperature, thereby affecting its antistatic performance and the color of plastic products; the performance of nonionic antistatic agents is poor, and in many cases it cannot reach Antistatic requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Linear low-density polyethylene (LLDPE) with a melt index of 15g / 10min is used, imidazole tetrafluoroborate is used as the ionic liquid, and tetrakis[β-(3,5-di-tert-butyl-4-hydroxybenzene) is used as the antioxidant base) propionic acid] pentaerythritol ester, the raw materials were mixed in a high-speed mixer for 5 minutes, granulated by a twin-screw extruder at 170°C-190°C, and then injection molded into a sample test at 190°C after drying.

Embodiment 2

[0028] Use LLDPE with a melt index of 2g / 10min and high-density polyethylene (HDPE) with a melt index of 0.05g / 10min, use imidazole tetrafluoroborate as the ionic liquid, use white carbon black as the filler, and use a compatibilizer with a grafting ratio of 0.5 Maleic anhydride grafted polyethylene, tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and distearyl thiodipropionate were used as antioxidants, two The mass ratio is 2:1. The raw materials are melted and kneaded in an internal mixer at 150°C for 10 minutes, and then granulated by an extruder at 170°C-190°C.

Embodiment 3

[0030] Copolymerized PP with a melt index of 8g / 10min is used, imidazole hexafluorophosphate is used as the ionic liquid, and tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester is used as the antioxidant , The raw materials are mixed in a high-speed mixer for 5 minutes, granulated by a twin-screw extruder at 190°C-200°C, and injected into a sample test at 200°C after drying.

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Abstract

The invention discloses a lasting and effective antistatic polyolefin composite material. The lasting and effective antistatic polyolefin composite material comprises, by weight, 70-99 parts of polyolefin resin, 0-30 parts of packing, 0-6 parts of compatilizer, 0.5-5 parts of ionic liquid antistatic agent and 0.2-0.5 part of anti-oxygen. The invention further discloses a preparation method of the lasting and effective antistatic polyolefin composite material. The lasting and effective antistatic polyolefin composite material is low in additive amount of the antistatic agent, superior in antistatic performance, the surface resistance can reach 108-1,011 ohm, and the lasting and effective antistatic polyolefin composite material is little influenced by the temperature and humidity, is lasting in antistatic performance and is capable of being applied to various fields with antistatic and dust-free requirements.

Description

Technical field: [0001] The invention relates to the technical field of polymer antistatic, in particular to a durable and effective antistatic polyolefin composite material. Background technique: [0002] Due to the abundance of raw materials, low price, easy processing and molding, and excellent comprehensive properties, polyolefin has become a kind of polymer material with the largest output and wide application. However, polyolefins have strong electrical insulation properties. At present, adding antistatic agents is the most common method to eliminate static electricity in polyolefins. The so-called antistatic agent refers to an auxiliary agent that is coated on the surface of the material or blended in the material to reduce the accumulation of static electricity. Antistatic agents can be divided into anionic, cationic, nonionic, zwitterionic, and polymer types according to their structure. According to the method of use, there are two types: external coating type an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L23/08C08L23/14C08K13/02C08K5/3445C08K5/134C08K3/36C08K5/526C08K3/34
CPCC08K5/3445C08K5/1345C08K5/526C08K2201/017C08L23/06C08L23/14C08L2201/04C08L2205/02C08L2205/03C08L2207/062C08L23/0815C08L51/06C08K13/02C08K3/36C08K5/36C08K3/346C08L23/12
Inventor 徐力群任杰陈双彬
Owner ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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