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Extrusion grade foaming PP/PE material and preparation method thereof

An extrusion-grade foaming agent technology, applied in the field of extrusion-grade foamed PP/PE materials and their preparation, can solve problems such as poor wear resistance, poor mechanical properties, and poor compatibility between PP and PE , to achieve good mechanical properties, high productivity, and high surface hardness

Active Publication Date: 2015-05-06
DONGGUAN JISU PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The PP / PE plastic alloy material made by blending has effectively improved the mechanical strength, heat resistance and self-lubricity of a single material, but there are still some problems in the PP / PE plastic alloy material, such as the compatibility of PP and PE. Not good enough, poor wear resistance, poor mechanical properties, etc.

Method used

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  • Extrusion grade foaming PP/PE material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1, an extrusion-grade foamed PP / PE material provided in this example, which is composed of the following mass percentages of raw materials: PP 10%, SEBS 8.2%, PE 59% , white oil 15%, compatibilizer 3%, anti-scratch modifier 2%, coupling agent 0.6%, expansion agent 0.4%, special foaming agent 0.6%, antioxidant 0.4, processing aid 0.8%.

[0031] The compatibilizer is at least one of styrene-acrylonitrile-glycidyl methacrylate copolymer, terpolymer of styrene-acrylonitrile-maleic anhydride, and PP-g-MAH. The antioxidant is β-(4-hydroxyphenyl-3,5-di-tert-butyl) n-octadecyl propionate, tetrakis (β-(3,5-di-tert-butyl-4-hydroxy At least one of pentaerythritol phenyl)propionate and tris(2,4-di-tert-butylphenyl)phosphite. The processing aid is pentaerythritol stearate or EBS.

[0032] A kind of preparation method of above-mentioned extrusion grade foamed PP / PE material, it comprises the following steps:

[0033] (1) PP, SEBS, PE, white oil, compatibilizer, anti-scratc...

Embodiment 2

[0035] Example 2, an extrusion-grade foamed PP / PE material provided in this example and its preparation method, which is basically the same as Example 1, the difference is that it consists of the following raw materials in mass percentage: PP 16%, SEBS 7%, PE 61.7%, white oil 7%, compatibilizer 3%, anti-scratch modifier 2.5%, coupling agent 0.6%, expansion agent 0.5%, special foaming agent 0.5%, antioxidant 0.4 %, processing aid 0.8%.

Embodiment 3

[0036] Example 3, an extrusion-grade foamed PP / PE material provided in this example and its preparation method, which is basically the same as Example 1, the difference is that it consists of the following raw materials in mass percentage: PP 30%, SEBS 1%, PE 50%, white oil 14%, compatibilizer 1%, anti-scratch modifier 1%, coupling agent 1%, expansion agent 0.4%, special foaming agent 0.5%, antioxidant 1 %, processing aid 0.1%.

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Abstract

The invention discloses an extrusion grade foaming PP / PE material consisting of the following raw materials: PP, SEBS, PE, white oil, a compatilizer, a scratch-resistant modifying agent, a coupling agent, an expanding agent, a special foaming agent, an antioxidant and a processing auxiliary agent; and the invention also discloses a preparation method of the material. The extrusion grade foaming PP / PE material disclosed by the invention is reasonable in formula, has relatively good mechanical performance, and also has relatively high surface hardness and relatively good scratch resistance; the preparation method disclosed by the invention is concise in process step and easy to implement, can be used for rapidly preparing an extrusion grade foaming PP / PE material product, and also is concise in process step, easy to implement and high in production rate; and the product can be suitable for preparing various fruit tray products and rattan chairs, also has considerable price advantages, and is wide in market application.

Description

technical field [0001] The invention relates to the technical field of PP / PE materials, in particular to an extrusion grade foamed PP / PE material and a preparation method thereof. Background technique [0002] Polyethylene (PE) and polypropylene (PP) are both crystalline thermoplastic resins, both of which have the advantages of light weight, low price, good electrical insulation performance, and convenient processing. The PP / PE plastic alloy material made by blending has effectively improved the mechanical strength, heat resistance and self-lubricity of a single material, but there are still some problems in the PP / PE plastic alloy material, such as the compatibility of PP and PE. The performance is not good enough, the wear resistance is poor, the mechanical properties are not good, etc. Therefore, it is necessary to develop an extrusion-grade foamed PP / PE material with good comprehensive performance. Contents of the invention [0003] In view of the above deficiencies...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L55/02C08L83/04C08L51/06C08L35/06C08L25/14C08K13/02C08K5/01C08K3/30C08K3/22C08K5/103C08J9/10C08J9/04B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08L23/06C08L2203/14C08L2205/035C08L23/12C08L53/025C08L91/06C08L83/04
Inventor 汪品洋孟琦峰尤明
Owner DONGGUAN JISU PLASTIC TECH
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