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Modified plate and preparation method thereof

A sheet material and modification technology, applied in the field of modified sheet material and its preparation, can solve the problems of poor impact resistance, tensile strength, elongation at break, flexural modulus and tear strength of foamed sheet materials, etc. To achieve the effect of strong impact resistance

Active Publication Date: 2015-08-26
惠州市峄董塑胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing technology, the foamed board is made by mixing polypropylene and various auxiliary materials in a foaming equipment, and forming the board through a foam molding process. However, due to the limitations of the auxiliary material composition and ratio in the existing , the performance of the foamed sheet in terms of tensile strength, elongation at break, flexural modulus and tear strength is still unsatisfactory, especially the impact resistance is poor, and it cannot be used in occasions with frequent impacts. Improve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A modified plate, comprising the following components in mass percentages:

[0021] Component

[0022] Provide raw materials according to the above components, melt blend and modify the raw materials and press them into plates. The impact resistance test is passed by a 4Kg impact hammer with a punch diameter of 1.3cm. It is made of homopolymerized PP plates and the above components respectively. The plate is impacted, and the impact result is that the homopolymer PP plate can be punctured at a height of 20 cm, and the plate of the above components can be punctured at a height of 60 cm, which proves that the plate of the present invention has a strong impact resistance.

Embodiment 2

[0024] A modified plate, comprising the following components in mass percentages:

[0025] Component

[0026] Provide raw materials according to the above components, melt blend and modify the raw materials and press them into plates. The impact resistance test is passed by a 4Kg impact hammer with a punch diameter of 1.3cm. It is made of homopolymerized PP plates and the above components respectively. The plate is impacted, and the impact result is that the homopolymer PP plate can be punctured at a height of 20 cm, and the plate of the above components can be punctured at a height of 60 cm, which proves that the plate of the present invention has a strong impact resistance.

Embodiment 3

[0028] A modified plate, comprising the following components in mass percentages:

[0029] Component

[0030] Provide raw materials according to the above components, melt blend and modify the raw materials and press them into plates. The impact resistance test is passed by a 4Kg impact hammer with a punch diameter of 1.3cm. It is made of homopolymerized PP plates and the above components respectively. The plate is impacted, and the impact result is that the homopolymer PP plate can be punctured at a height of 20 cm, and the plate of the above components can be punctured at a height of 60 cm, which proves that the plate of the present invention has a strong impact resistance.

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PUM

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Abstract

The invention relates to a modified plate which comprises the following raw materials by mass percent: 75-80% of homopolymerized PP (propene polymer), 19-25% of PE (polyethylene) and 1-3% of assistant, wherein the assistant consists of dicumyl peroxide, an antioxidant 1010, styrene and 1,4-butylene glycol diacrylate. The invention further provides a preparation method of the modified plate. The plate is formed by melting and blending the raw materials and pressing. The plate is relatively ideal in properties such as tensile strength, elongation at break, flexural modulus and tearing strength, is particularly higher in shock resistance, and can be applied to an occasion with frequent shocks.

Description

technical field [0001] The invention relates to a modified board and a preparation method thereof. Background technique [0002] In the existing technology, the foamed board is made by mixing polypropylene and various auxiliary materials in a foaming equipment, and forming the board through a foam molding process. However, due to the limitations of the auxiliary material composition and ratio in the existing , the performance of the foamed sheet in terms of tensile strength, elongation at break, flexural modulus and tear strength is still unsatisfactory, especially the impact resistance is poor, and it cannot be used in occasions with frequent impacts. Improve. Contents of the invention [0003] The purpose of the present invention is to provide a modified board with the advantage of strong impact resistance. At the same time, the invention also provides a preparation method of the modified board. [0004] In order to achieve the above purpose, the technical scheme adop...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08K5/00C08K5/14C08K5/134C08K5/01C08K5/103
CPCC08L23/12C08L23/06C08K5/00C08K5/14C08K5/1345C08K5/01C08K5/103
Inventor 张瑞洋
Owner 惠州市峄董塑胶科技有限公司
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