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Production raw material of shock resistance polymethylmethacrylate moulding plastic and manufacturing method

A technology of polymethyl methacrylate and methyl methacrylate, which is applied in the field of raw materials and manufacturing of impact-resistant polymethyl methacrylate molding compounds, can solve the problems of polymethacrylate molding compounds being brittle, Achieve the effect of improving impact performance, high tensile strength and improving impact performance

Inactive Publication Date: 2011-06-08
HEILONGJIANG ZHONGMENG LONGXIN CHEM
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of the background technology, the present invention provides a kind of production raw material and manufacturing method of impact-resistant polymethyl methacrylate molding compound, the molding compound produced by this formula solves the brittleness of polymethacrylate molding compound (PMMA) problems, and has the characteristics of aging resistance and smooth surface

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Example 1. In the reactor, 200 parts of solvent toluene, 15 parts of butyl acrylate, 8 parts of ethyl methacrylate, 0.69 parts of diethylene glycol acrylate and 0.26 parts of dimethyl Tetraethylene glycol acrylate and 0.0023 parts of azobisisobutyronitrile, the vacuum in the kettle is 550mmHg, react at 95°C for 1 hour, and then gradually and continuously add 77 parts of methacrylic acid within 1.5 hours at 95°C Methyl ester, 0.77 part of diethylene glycol acrylate and 0.0077 part of azobisisobutyronitrile were added and continued to react for 2 hours, and finally the solvent was removed to obtain the product of the present invention through granulation.

[0010] In the above experiment, the crude polymerization is firstly carried out, and then the dropwise polymerization is carried out. The original one-time polymerization is changed to multi-step polymerization, and the temperature is controlled at about 95°C. The whole process is carried out under the state of solution...

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Abstract

The invention relates to raw materials for producing an impact-resistant polymethyl methacrylate molding compound and a method for manufacturing the same. The raw materials for producing the impact-resistant polymetyl methacrylate molding compound comprises the compositions in portion by weight portion: 15 portions of butyl acrylate, 8 portions of ethyl methacrylate, 1.46 portions of diglycol acrylic ester, 0.46 portion of bis-methacrylic acid tetraethylene-glycol ester, 0.01portion of azo-bis-iso-butyrynitrile, and 77 portions of methyl methacrylate. The molding compound produced according to the formula solves the brittle problem of a polymethacrylate molding compound (PMMA), and simultaneously has the characteristics of age resistance and smooth surface.

Description

Technical field: [0001] The invention relates to a production raw material and method of a molding compound, in particular to a production raw material and a manufacturing method of an impact-resistant polymethyl methacrylate molding compound. Background technique: [0002] The impact strength of the current molding compound is poor, and there are phenomena such as brittleness, cracking, and gaps in the molding, strength, and processing of some injection molding and extrusion equipment. Invention content: [0003] In order to overcome the deficiencies in the background technology, the present invention provides a kind of production raw material and manufacturing method of impact-resistant polymethyl methacrylate molding compound, the molding compound produced by this formula solves the brittleness of polymethacrylate molding compound (PMMA) It also has the characteristics of anti-aging and smooth surface. [0004] The technical solution of the present invention is: the im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/14C08F2/00
Inventor 陈国良吴延超王戬涛牟鸿源田君宇吴畏
Owner HEILONGJIANG ZHONGMENG LONGXIN CHEM
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