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Application of modified calcium carbonate in plastics

A calcium carbonate and modified technology, applied in the field of plastic preparation, can solve the problems of tensile strength, bending strength, Brinell hardness difference, etc., and achieve the effects of excellent tensile strength, high thermal deformation temperature and excellent effect.

Inactive Publication Date: 2017-12-22
贺州钟山县双文碳酸钙新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an application of modified calcium carbonate in plastics, which can solve the problems of poor tensile strength, bending strength, and Brinell hardness of existing plastics, and at the same time increase the thermal deformation temperature

Method used

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  • Application of modified calcium carbonate in plastics
  • Application of modified calcium carbonate in plastics
  • Application of modified calcium carbonate in plastics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An application of modified calcium carbonate in plastics, the plastics, in parts by weight, include the following raw materials: 3 parts of modified calcium carbonate, 1 part of ethyl propionate, 4 parts of glass fiber, 40 parts of polycarbonate 0.5 part, 0.5 part of alunite, 0.5 part of crosslinking agent;

[0029] The modified calcium carbonate, in parts by weight, includes the following raw materials: 20 parts of calcium carbonate crushed matter, 5 parts of zinc stearate, 2 parts of chitosan, 0.1 part of surfactant, 0.03-0.05 part of solid acid, 0.08 part of coupling agent, 0.05 part of initiator, 0.03 part of sodium isooctyl succinate sulfonate, 0.05 part of sodium dodecylbenzene sulfonate, 0.01 part of trinonylphenyl phosphite, 0.01 part of tribasic lead sulfate , 0.01 part of sodium tripolyphosphate, and 0.07 part of a dispersant.

[0030] Wherein, the cross-linking agent includes the following raw materials in parts by weight: 0.2 part of dicumyl peroxide, 0.1 p...

Embodiment 2

[0043] An application of modified calcium carbonate in plastics, the plastics, in parts by weight, include the following raw materials: 5 parts of modified calcium carbonate, 3 parts of ethyl propionate, 6 parts of glass fiber, 50 parts of polycarbonate 1 part, 1 part of alum stone, 1 part of crosslinking agent;

[0044] The modified calcium carbonate, in parts by weight, comprises the following raw materials: 30 parts of calcium carbonate crushed matter, 10 parts of zinc stearate, 5 parts of chitosan, 0.3 part of surfactant, 0.05 part of solid acid, coupling 0.2 part of agent, 0.09 part of initiator, 0.05 part of sodium isooctyl succinate, 0.07 part of sodium dodecylbenzene sulfonate, 0.02 part of trinonylphenyl phosphite, 0.02 part of tribasic lead sulfate, three Sodium polyphosphate 0.02 part, dispersant 0.15 part.

[0045] Wherein, the crosslinking agent includes the following raw materials in parts by weight: 0.4 parts of dicumyl peroxide, 0.3 parts of pullulan, and 0.3 ...

Embodiment 3

[0058] An application of modified calcium carbonate in plastics, the plastics, in parts by weight, include the following raw materials: 4 parts of modified calcium carbonate, 2 parts of ethyl propionate, 5 parts of glass fiber, 45 parts of polycarbonate part, 0.8 part of alunite, 0.7 part of crosslinking agent;

[0059] The modified calcium carbonate, in parts by weight, comprises the following raw materials: 25 parts of calcium carbonate crushed matter, 7 parts of zinc stearate, 3 parts of chitosan, 0.2 part of surfactant, 0.04 part of solid acid, coupling 0.14 parts of agent, 0.07 parts of initiator, 0.04 parts of sodium isooctyl succinate, 0.06 parts of sodium dodecylbenzene sulfonate, 0.015 parts of trinonylphenyl phosphite, 0.015 parts of tribasic lead sulfate, three Sodium polyphosphate 0.016 part, dispersant 0.11 part.

[0060] Wherein, the cross-linking agent includes the following raw materials in parts by weight: 0.3 parts of dicumyl peroxide, 0.2 parts of pullulan,...

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Abstract

The invention provides application of modified calcium carbonate in plastics. The plastics are prepared from the following raw materials in parts by weight: 3 to 5 parts of modified calcium carbonate, 1 to 3 parts of ethyl propionate, 4 to 6 parts of glass fibers, 40 to 50 parts of polycarbonate, 0.5 to 1 part of alunite, and 0.5 to 1 part of cross-linking agent. The modified calcium carbonate provided by the invention is added in the production process of the plastics, and the prepared plastics have good tensile strength, elongation at break, bending strength and brinell hardness, and high thermal deformation temperature.

Description

technical field [0001] The invention belongs to the field of plastic preparation, and in particular relates to the application of a modified calcium carbonate in plastics. Background technique [0002] As the price of plastic fillers continues to rise, many plastic processing companies are focusing on cheap non-mineral powder materials. In particular, calcium carbonate has become the first choice for the plastic processing industry due to its low price, convenient use, and few side effects. Incremental materials bring huge business opportunities to the calcium carbonate industry. Compared with other non-metallic mineral powder materials, calcium carbonate has obvious advantages. [0003] China is one of the countries rich in limestone mineral resources in the world, which are distributed in all provinces, municipalities and autonomous regions except Shanghai, Hong Kong and Macao. According to the statistics of the former National Building Materials and Geological Center, th...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08K13/06C08K9/04C08K9/06C08K9/10C08K3/26C08K5/42C08K5/526C08K3/32
CPCC08L69/00C08K2003/265C08K2003/324C08L2201/08C08L5/08C08K13/06C08K9/04C08K9/06C08K9/10C08K3/26C08K5/42C08K5/526C08K3/32
Inventor 唐文易双
Owner 贺州钟山县双文碳酸钙新材料有限公司
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