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Plastic mold material and processing method thereof

A plastic mold and mold material technology, applied in the field of plastic mold materials and their processing, can solve the problems of shortened service life, poor corrosion resistance, poor weather resistance, etc., achieve long service life, good corrosion resistance, and improve mildew and moisture resistance performance effect

Inactive Publication Date: 2020-01-24
山东复鑫信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing plastic molds have defects such as poor weather resistance, low strength, and poor corrosion resistance, which shorten the service life and limit its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A plastic mold material, said mold material comprising the following raw materials in parts by weight: 20 parts of styrene-butadiene rubber, 40 parts of polystyrene, 15 parts of EPDM rubber, 8 parts of polypropylene fiber, 1.5 parts of zinc oxide, carbonic acid 2 parts of calcium, 1 part of montmorillonite, 0.8 parts of medical stone, 1 part of stearic acid, 0.5 parts of octylphenol polyoxyethylene ether, 0.3 parts of aluminum-zirconium stearate coupling agent, 0.3 parts of rubber accelerator And sulfur 0.3 parts.

[0027] Its preparation method comprises the following steps:

[0028] (1) Weigh the raw materials according to the above proportions, put the raw materials of the above components into the internal mixer and banbury for 50 minutes at a temperature of 60°C, discharge the materials from the discharge port, and cool the discharged materials at room temperature to obtain the mixed materials;

[0029] (2) Put the mixed material into the polymerization tower, con...

Embodiment 2

[0036] A plastic mold material, said mold material comprising the following raw materials in parts by weight: 15 parts of styrene-butadiene rubber, 45 parts of polystyrene, 12 parts of EPDM rubber, 6 parts of polypropylene fiber, 1 part of zinc oxide, carbonic acid 2 parts of calcium, 0.8 parts of montmorillonite, 1 part of medical stone, 0.5 parts of stearic acid, 0.5 parts of octylphenol polyoxyethylene ether, 0.2 parts of aluminum-zirconium stearate coupling agent, 0.5 parts of rubber accelerator And sulfur 0.2 parts.

[0037] Its preparation method comprises the following steps:

[0038] (1) Weigh the raw materials according to the above proportions, put the raw materials of the above components into the internal mixer and banbury for 40 minutes at a temperature of 70°C, discharge the materials from the discharge port, and cool the discharged materials at room temperature to obtain the mixed materials;

[0039] (2) Put the mixed material into the polymerization tower, con...

Embodiment 3

[0046] A plastic mold material, said mold material comprising the following raw materials in parts by weight: 20 parts of styrene-butadiene rubber, 40 parts of polystyrene, 15 parts of EPDM rubber, 8 parts of polypropylene fiber, 1.5 parts of zinc oxide, carbonic acid 2 parts of calcium, 1.2 parts of montmorillonite, 1 part of medical stone, 1 part of stearic acid, 0.5 part of octylphenol polyoxyethylene ether, 0.5 part of aluminum-zirconium stearate coupling agent, 1 part of rubber accelerator And sulfur 0.3 parts.

[0047] Its preparation method comprises the following steps:

[0048] (1) Weigh the raw materials according to the above proportions, put the raw materials of the above components into the internal mixer and banbury for 30 minutes at a temperature of 60°C, discharge the materials from the discharge port, and cool the discharged materials at room temperature to obtain the mixed materials;

[0049] (2) Put the mixed material into the polymerization tower, control th...

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PUM

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Abstract

The invention discloses a plastic mold material and a processing method thereof. The mold material comprises the following raw materials in parts by weight: 15-25 parts of styrene butadiene rubber, 30-50 parts of polystyrene, 10-20 parts of an ethylene-propylene-diene monomer, 5-10 parts of polypropylene fiber, 1-2 parts of zinc oxide, 1-3 parts of calcium carbonate, 0.5-1.5 parts of montmorillonite, 0.5-1.5 parts of mealmeal stone, 0.5-1 part of stearic acid, 0.5-1 part of octyl phenol polyoxyethylene ether, 0.1-0.5 part of a portion aluminum stearate-zirconium coupling agent, 0.5-1.0 part ofa rubber accelerator and 0.1-0.5 part of sulfur. Due to coordination functions of the components of the plastic mold material, a plastic mould made of the plastic mold material has the advantages ofbeing high in toughness, light in weight, low in cost, good in weather resistance, good in corrosion resistance, good in corrosion resistance, long in service life, good in moisture-proof and mildew-proof effect, and the like, and has a broad market prospect.

Description

technical field [0001] The invention belongs to the field of mold technology, in particular to a plastic mold material and a processing method thereof. Background technique [0002] Molds are the basic technological equipment for mass production of industrial products. 70% of rough machining and 5% of finishing machining of industrial parts in machinery manufacturing need molds to complete. Plastic mold steel is an important mold material, which is widely used in various industries such as household appliances, electronics and communication equipment, plastic products, automobiles and motorcycles. A mold, simply put, is a tool used to shape a product or part. According to the different molded products, the molds are divided into metal molds and non-metal molds. And according to the different materials used to manufacture the mold, the mold is divided into sand mold, metal mold, paraffin mold, plastic mold and the like. [0003] The metal material of the metal mold is usua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/06C08L23/16C08L23/12C08L9/06C08L71/02C08K13/02C08K3/34C08K5/098C08K3/22C08K3/26C25D3/56C25D5/56
CPCC08K2003/2296C08K2003/265C08L25/06C08L2205/035C08L2205/16C25D3/562C25D5/56C08L23/16C08L23/12C08L9/06C08L71/02C08K13/02C08K3/34C08K5/098C08K3/22C08K3/26
Inventor 周培垒吴宝金张红梅段永利杨芳
Owner 山东复鑫信息科技有限公司
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