Bulk molding plastic and preparation method thereof

A slug molding compound and molding technology, applied in the field of slug molding compound and its preparation, can solve the problems of inability to meet high temperature resistance, electrical strength and bending resistance, inability to meet high-end customers, and mechanical properties to be improved, etc. Achieve the effect of improving impact resistance, high impact resistance and high bending strength

Pending Publication Date: 2022-03-15
浙江南方塑胶制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although the existing bulk molding compounds meet the conventional performance requirements, their products still need to be improved in terms of mechanical properties, especially the requirements for high temperature resistance, electrical strength and bending resistance, resulting in failure to meet the requirements of high-end customers. need

Method used

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  • Bulk molding plastic and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0019] This embodiment discloses a bulk molding compound. The bulk molding compound consists of raw materials in parts by weight: 30-40 parts of unsaturated resin, 10-20 parts of low shrinkage agent, 10-20 parts of glass fiber, 5-10 parts of initiator, 10-15 parts of thickener, 5-8 parts of aluminum hydroxide, 10-20 parts of calcium carbonate, 1-10 parts of color paste, 8-15 parts of curing agent, 10-20 parts of flame retardant 15-20 parts of heat-resistant agent, 45-60 parts of filler.

[0020] The present invention is further set as follows: the bulk molding compound is composed of raw materials in parts by weight: 35 parts of unsaturated resin, 18 parts of low shrinkage agent, 15 parts of glass fiber, 9 parts of initiator, 12 parts of thickener, hydrogen 6 parts of alumina, 13 parts of calcium carbonate, 4 parts of color paste, 10 parts of curing agent, 15 parts of flame retardant, 18 parts of heat-resistant agent, and 55 parts of filler.

[0021] The further configuration...

Embodiment 2

[0034] This embodiment discloses a bulk molding compound. The bulk molding compound consists of raw materials in parts by weight: 30-40 parts of unsaturated resin, 10-20 parts of low shrinkage agent, 10-20 parts of glass fiber, 5-10 parts of initiator, 10-15 parts of thickener, 5-8 parts of aluminum hydroxide, 10-20 parts of calcium carbonate, 1-10 parts of color paste, 8-15 parts of curing agent, 10-20 parts of flame retardant 15-20 parts of heat-resistant agent, 45-60 parts of filler.

[0035] The present invention is further set as follows: the bulk molding compound is composed of raw materials in parts by weight: 30 parts of unsaturated resin, 15 parts of low shrinkage agent, 12 parts of glass fiber, 8 parts of initiator, 11 parts of thickener, hydrogen 5 parts of alumina, 11 parts of calcium carbonate, 7 parts of color paste, 9 parts of curing agent, 12 parts of flame retardant, 17 parts of heat-resistant agent, and 50 parts of filler.

[0036] The further configuration ...

Embodiment 3

[0049] This embodiment discloses a bulk molding compound. The bulk molding compound consists of raw materials in parts by weight: 30-40 parts of unsaturated resin, 10-20 parts of low shrinkage agent, 10-20 parts of glass fiber, 5-10 parts of initiator, 10-15 parts of thickener, 5-8 parts of aluminum hydroxide, 10-20 parts of calcium carbonate, 1-10 parts of color paste, 8-15 parts of curing agent, 10-20 parts of flame retardant 15-20 parts of heat-resistant agent, 45-60 parts of filler.

[0050] The present invention is further set as follows: the bulk molding compound is composed of raw materials in parts by weight: 38 parts of unsaturated resin, 19 parts of low shrinkage agent, 17 parts of glass fiber, 10 parts of initiator, 13 parts of thickener, hydrogen 7 parts of alumina, 15 parts of calcium carbonate, 5 parts of color paste, 11 parts of curing agent, 16 parts of flame retardant, 16 parts of heat-resistant agent, and 50 parts of filler.

[0051] The further setting of t...

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Abstract

The invention relates to a bulk molding compound, which is characterized by comprising the following raw materials by weight: 30-40 parts of unsaturated resin, 10-20 parts of a low shrinkage agent, 10-20 parts of glass fiber, 5-10 parts of an initiator, 10-15 parts of a thickener, 5-8 parts of aluminum hydroxide, 10-20 parts of calcium carbonate, 1-10 parts of color paste, 8-15 parts of a curing agent, 10-20 parts of a flame retardant, 15-20 parts of a heat resistant agent, and 45-60 parts of a filler. The bulk molding compound has the beneficial effects that the load deformation temperature is 260 DEG C, the bulk molding compound is resistant to high temperature, the impact strength reaches 50 kJ/m < 2 >, the impact resistance and bending strength are high, the bending strength reaches 150 Pa, the tensile fracture stress is 40 MPa, the electrical strength is 30 KV/mm, and the bulk molding compound has the advantages of high toughness, high strength, high temperature resistance and high electrical strength; the impact resistance of the unsaturated polyester fiber reinforced bulk molding compound is effectively improved. The potential application range of the device in the aspects of electric appliances, motors, radio, instruments, machinery manufacturing, chemical equipment, buildings, transportation, national defense and the like is also enlarged.

Description

technical field [0001] The invention belongs to the technical field of processing bulk molding plastics, and in particular relates to a bulk molding plastic and a preparation method thereof. Background technique [0002] Because the bulk molding compound has excellent electrical properties, mechanical properties, heat resistance, chemical corrosion resistance, and adapts to various molding processes, it can meet the performance requirements of various products, so it is more and more popular among users. . At present, although the existing bulk molding compounds meet the conventional performance requirements, their products still need to be improved in terms of mechanical properties, especially the requirements for high temperature resistance, electrical strength and bending resistance, resulting in failure to meet the requirements of high-end customers. need. Contents of the invention [0003] In order to solve the above technical problems, the present invention provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/06C08L75/04C08L27/06C08K13/04C08K7/14C08K7/28C08K3/22C08K3/26C08J5/04
CPCC08J5/043C08J2367/06C08J2475/04C08J2427/06C08K13/04C08K7/14C08K7/28C08K2003/2227C08K2003/265
Inventor 唐小燕陈永水陈文海陈飞庭
Owner 浙江南方塑胶制造有限公司
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