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Polymethyl methacrylate and polycarbonate composite board and preparation method thereof

A technology of polymethyl methacrylate and polycarbonate, which is applied in the fields of polymethyl methacrylate and polycarbonate composite panels and their preparation, achieves the effects of wide application range, high transparency and satisfying chemical resistance

Inactive Publication Date: 2020-06-26
苏州奥美材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the composite boards circulating in the market mainly include metal composite boards, wood composite boards, color steel composite boards, etc. All types of composite boards have their application fields and advantages, but they are used in cabinets, bathroom bathtubs, bathtubs and split glass doors, etc. Materials that are in direct contact with the human body require better friendliness; among them, plastic composite boards are favored for their high transparency, but at the same time they need to meet the characteristics of high chemical resistance and durability, while in the prior art Composite panels for plastic products cannot meet such requirements

Method used

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  • Polymethyl methacrylate and polycarbonate composite board and preparation method thereof

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preparation example Construction

[0023] The present invention also discloses a preparation method of polymethyl methacrylate and polycarbonate composite board, comprising the steps of:

[0024] (1) Polycarbonate and polymethyl methacrylate raw material particles are heated and melted in different preheaters;

[0025] (2) Polycarbonate and polymethyl methacrylate are extruded from different channels of the multi-layer die;

[0026] (3) Extruded polycarbonate and polymethyl methacrylate are formed by three-roll calendering;

[0027] (4) Finished polycarbonate and polymethyl methacrylate composite board film cutting.

Embodiment 1

[0029] In this embodiment, a polymethyl methacrylate and polycarbonate composite board includes a polymethyl methacrylate layer 1, and the upper and lower layers of the polymethyl methacrylate layer 1 are respectively covered with polymethyl methacrylate. Carbonate layer 2 and lower polycarbonate layer 5, and described polymethyl methacrylate layer 1 is thick 2mm, and both sides are matte surface 4; Described upper polycarbonate layer 2 and lower polycarbonate layer 5 The layer thickness is 0.5mm, and the exposed surface is a polished surface 3, and the inner lining surface is matte.

[0030] A preparation method for polymethyl methacrylate and polycarbonate composite board, comprises the steps:

[0031] (1) Polycarbonate and polymethyl methacrylate raw material particles are heated and melted in preheaters with preheating temperatures of 900° and 100° respectively;

[0032] (2) Polycarbonate and polymethyl methacrylate are extruded from different channels of the multi-layer ...

Embodiment 2

[0036] In this embodiment, a polymethyl methacrylate and polycarbonate composite board includes a polymethyl methacrylate layer 1, and the upper and lower layers of the polymethyl methacrylate layer 1 are respectively covered with polymethyl methacrylate. Carbonate layer 2 and lower polycarbonate layer 5, and described polymethyl methacrylate layer 1 is thick 5mm, and double-sided is matte surface 4; Described upper polycarbonate layer 2 and lower polycarbonate layer 5 The layer thickness is 2mm, and the exposed surface is polished surface 3, and the inner lining surface is matte.

[0037] A preparation method for polymethyl methacrylate and polycarbonate composite board, comprises the steps:

[0038] (1) Polycarbonate and polymethyl methacrylate raw material particles are heated and melted in preheaters with preheating temperatures of 1000° and 800° respectively;

[0039] (2) Polycarbonate and polymethyl methacrylate are extruded from different channels of the multi-layer di...

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Abstract

The invention relates to a polymethyl methacrylate and polycarbonate composite board which comprises a polymethyl methacrylate layer. The upper layer and the lower layer of the polymethyl methacrylatelayer are respectively covered with an upper polycarbonate layer and a lower polycarbonate layer; the polymethyl methacrylate layer is attached to the matte surface of the joint surface of the upperpolycarbonate layer and the lower polycarbonate layer in a thermal attachment manner; the invention relates to a preparation method of a polymethyl methacrylate and polycarbonate composite board. Thepreparation method comprises the following steps: (1) respectively heating and melting polycarbonate and polymethyl methacrylate raw material particles in different preheaters; (2) respectively extruding polycarbonate and polymethyl methacrylate from different channels of the multilayer die head; (3) carrying out three-roller calendering molding on the extruded polycarbonate and polymethyl methacrylate; and (4) laminating and cutting a polycarbonate and polymethyl methacrylate composite board finished product. The composite board produced by the invention has the characteristic of high transparency, meets the characteristics of high chemical resistance and durability, and is wide in application range.

Description

technical field [0001] The invention relates to the technical field of a plastic product composite board, in particular to a polymethyl methacrylate and polycarbonate composite board and a preparation method thereof. Background technique [0002] At present, the composite boards circulating in the market mainly include metal composite boards, wood composite boards, color steel composite boards, etc. All types of composite boards have their application fields and advantages, but they are used in cabinets, bathroom bathtubs, bathtubs and split glass doors, etc. Materials that are in direct contact with the human body require better friendliness; among them, plastic composite boards are favored for their high transparency, but at the same time they need to meet the characteristics of high chemical resistance and durability, while in the prior art Composite panels for plastic products cannot meet such requirements. Contents of the invention [0003] The purpose of the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/30B32B27/36B32B27/08B29C43/24B29C48/00B29C48/07B29C48/21A47B96/18E06B3/70
CPCA47B96/18B29C43/24B32B27/08B32B27/308B32B27/365B32B2307/306B32B2307/412B32B2307/558B32B2307/714B29C48/0011B29C48/07B29C48/21E06B3/70E06B2003/7051
Inventor 李强罗伟任月璋
Owner 苏州奥美材料科技有限公司
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