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A kind of modified acrylate material and preparation method thereof

A technology of acrylate and butyl acrylate, which is applied in the field of modified acrylate materials and their preparation, can solve the problems affecting the application of materials, the impact strength, the reduction of transparency, the inability to prepare PMMA materials, etc., so as to improve the service life and operation efficiency. , strong aging resistance, low haze effect

Active Publication Date: 2020-08-28
科邦石化(连云港)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of modification in a certain aspect, such as improving heat resistance modification and dimensional stability modification, rigid monomers or strong polar monomers are generally introduced into PMMA polymers for copolymerization, but often the obtained While the strength, thermal stability or dimensional stability of the PMMA polymer is improved, its impact strength, transparency and other properties are reduced instead, and PMMA materials with good comprehensive properties cannot be prepared, thus affecting the application of the material

Method used

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  • A kind of modified acrylate material and preparation method thereof
  • A kind of modified acrylate material and preparation method thereof
  • A kind of modified acrylate material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1 provides a modified acrylate material, the raw materials for the preparation of the modified acrylate material, in parts by weight, include methyl methacrylate 35, butyl acrylate 15, butadiene 5, styrene 5 .

[0045] The above-mentioned modified acrylate material is prepared by random copolymerization, and its preparation steps include:

[0046] In the airtight reactor, the required amount of butyl acrylate, butadiene and styrene in 150 parts by weight of deionized water, half of the weight (being 0.45 parts by weight) emulsifier, 1 / 3 weight (being 0.04 parts by weight) Under the action of the initiator, stir and mix for 15 minutes, the temperature of the reaction system is raised to 65°C, and the reaction is carried out for 30 minutes to obtain the emulsion I;

[0047] Get methyl methacrylate and add it to deionized water, add the remaining (being 0.45 parts by weight) emulsifier and 1 / 3 weight (being 0.04 parts by weight) initiator, stir and mix for 15mi...

Embodiment 2

[0050] Embodiment 2 provides a modified acrylate material, the preparation raw materials of the modified acrylate material, in parts by weight, include methyl methacrylate 50, butyl acrylate 20, butadiene 10, styrene 10 .

[0051] The above-mentioned modified acrylate material is prepared by random copolymerization, and the preparation steps are the same as in Example 1.

Embodiment 3

[0053] Embodiment 3 provides a modified acrylate material, the preparation raw material of the modified acrylate material, in parts by weight, includes methyl methacrylate 40, butyl acrylate 15, butadiene 5, styrene 7 .

[0054] The above-mentioned modified acrylate material is prepared by random copolymerization, and the preparation steps are the same as in Example 1.

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Abstract

The invention relates to the field of high polymer materials, in particular to a modified acrylate material and a preparation method thereof. The modified acrylate material is prepared from methyl methacrylate, butyl acrylate, butadiene and styrene, displays excellent performances in simply supported beam impact, simply supported beam notch impact, cantilever beam impact, cantilever beam notch impact, tensile breaking strength and breaking elongation tests and has excellent toughness and hardness, and preparation raw materials of the modified material are reasonably selected and prepared, so that the prepared modified acrylate material retains original characteristics such as high transparency and low haze. Besides, the modified acrylate material has strong aging resistance and can meet the requirement that a product is not easy to age in long-term use, the service life of an instrument is prolonged, and the running efficiency of the instrument is improved.

Description

technical field [0001] The invention relates to the field of polymer materials, and relates to a modified acrylate material and a preparation method thereof. Background technique [0002] Polymethyl methacrylate (PMMA, commonly known as plexiglass, acrylic or acrylic), has crystal-like transparency, with a light transmittance of over 92%, and has a good color development effect when dyed with dyes. In addition, PMMA has excellent weather resistance, high surface hardness and surface gloss, and good high temperature performance. PMMA is widely used in aviation, automobile, electronics, medical, chemical, building materials, sanitary ware and advertising signs and other industries. [0003] However, the common PMMA resin is easy to crack and brittle due to its low extensibility, which limits its further application. The high-impact PMMA on the market is TF0956 produced by Samsung Cheil Wool, but this material has poor fluidity and is not easy to form, so it is difficult to b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/14C08F220/18C08F212/08C08F236/06C08F220/56C08F216/14
CPCC08F220/14C08F220/1804C08F212/08C08F236/06C08F220/56C08F216/1416
Inventor 金凯新
Owner 科邦石化(连云港)有限公司
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