Method for preparing large-size large-thickness polyester reinforced acrylic ester plate

A technology of acrylate and methyl methacrylate, which is applied in the field of preparing uniformly distributed large-thickness polyester-reinforced acrylate sheets, which can solve problems such as the influence of the load-bearing capacity of the edge joints of the skeleton, the inability to meet newer and higher requirements, and potential safety hazards

Active Publication Date: 2019-03-08
锦西化工研究院有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

In December 1994, my country published the "D-1 Polyester Fabric Reinforced Acrylic Sheet Manufacturing Process" aviation industry standard. This technology and process can only produce small-sized sheets. The uneven distribution inside its structure leads to irregular and disorderly dispersion of the overall performance of the material, which affects the load-bearing capacity of the edge joints of various types of industrial equipment skeletons and brings safety hazards, thus failing to meet the requirements of organic glass for various industrial equipment. Newer and higher requirements for edge connections of transparent parts

Method used

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  • Method for preparing large-size large-thickness polyester reinforced acrylic ester plate
  • Method for preparing large-size large-thickness polyester reinforced acrylic ester plate
  • Method for preparing large-size large-thickness polyester reinforced acrylic ester plate

Examples

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Embodiment 1

[0015] Example 1: Add 100 parts of refined methyl methacrylate MMA (mass, hereinafter all parts by mass), 0.05 part of light-resistant agent UVP, and 0.005 part of initiator ABN into the polymerization kettle in proportion, and stir and heat up to 75 ~80°C, keep the reaction until the viscosity of the slurry reaches 12-20s, then lower the temperature, and after making MMA slurry, vacuum treatment at room temperature (0.073-0.080) MPa vacuum for 30 minutes. Process a certain amount of polyester silk with a high-temperature pressing machine to make the polyester silk dry, flat and wrinkle-free, and then fix and stack the required polyester silk on the clean lower template. The upper and lower templates overlap, and the surrounding is covered with elastic and soft plastic The pipe is sealed. When sealing, there are feed ports and exhaust ports at the upper and lower ends. The feed ports are placed at the lower end of the model, and the exhaust port is connected to the exhaust devi...

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Abstract

The invention relates to a novel method for preparing an uniformly distributed large-thickness polyester reinforced acrylic ester plate. The method is a method for preparing the large-thickness uniformly distributed acrylic ester plate through polymerization by infiltrating a methyl methacrylate solution on the polyester silk, is a method for making the polyester silk and the methyl methacrylate solution to be uniformly and stably polymerized to the large-thickness uniformly distributed acrylic ester plate by performing constant-speed turnover polymerization through a 360-degree turnover machine, and is a novel preparation method for the composite material. The acrylic ester plate is formed through casting polymerizing of 655-type polyester silk and methyl methacrylate, and the mass ratioof the polyester silk to the methyl methacrylate is 90(+/-10):100 (mass ratio); and according to the method, the polyester reinforced acrylic ester plate with the thickness capable of reaching up to 50 mm and the polyester silk capable of being uniformly distributed in the inner structure of the plate can be prepared.

Description

technical field [0001] The invention relates to a new method for preparing uniformly distributed large-thickness polyester reinforced acrylic sheets, which is a method for preparing and polymerizing large-thickness and uniformly distributed acrylic sheets by soaking polyester silk in a methyl methacrylate solution; Through the 360° turning machine uniform speed turning polymerization method, polyester silk and methyl methacrylate solution are uniformly and smoothly polymerized to prepare acrylic sheets with large thickness and uniform distribution, which is a new method for preparing composite materials. Background technique [0002] Polyester reinforced acrylic sheet is a composite material, mainly used in the connection between plexiglass parts and industrial equipment skeleton. The connection made of polyester reinforced acrylic sheet can transfer the external load borne by the transparent plexiglass part to the industrial preparation frame. . In recent years, plexiglass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/36B29C70/54B29L7/00
CPCB29C70/36B29C70/54B29L2007/002
Inventor 杜斌郑飞杨佳
Owner 锦西化工研究院有限公司
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