Impact-resistant organic glass and preparation method thereof

A plexiglass and impact-resistant technology, which is applied in the field of impact-resistant plexiglass and its preparation, can solve the problems of high strength, brittle texture of plexiglass, and small specific gravity, so as to increase toughness and impact resistance, improve divergence, increase resistance The effect of impact and toughness

Inactive Publication Date: 2017-04-26
安徽亚克力实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Plexiglass is commonly known as acrylic, Zhongxuan acrylic, and acrylic. Plexiglass has smooth surface, bright colors, small specific gravity, hi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An impact-resistant organic glass, the raw materials of which include by weight: 150 parts of methyl methacrylate, 15 parts of polycyclic norbornene methacrylate, 5 parts of dioctyl phthalate, 18 parts of rubber particles, modified 3 parts of nano-silica, 2.5 parts of benzoyl peroxide, and 2 parts of molecular weight regulator.

[0017] The preparation method of above-mentioned impact-resistant plexiglass, comprises the steps:

[0018] S1. Add modified nano-silica, polycyclic norbornene methacrylate, dioctyl phthalate, benzoyl peroxide, and molecular weight regulator into methyl methacrylate, ultrasonically disperse, and heat up to 75°C, keep warm and stir for 25min, cool down to 8°C in an ice-water bath, let stand for 45min, raise the temperature to 43°C, keep warm for 27h, then raise the temperature to 53°C, keep warm for 28h, then raise the temperature to 73°C, keep warm for 4h, and finally raise the temperature to 93°C, Insulated for 5.5h, cooled to room temperatur...

Embodiment 2

[0021] A kind of anti-shock organic glass, its raw material comprises by weight: 100 parts of methyl methacrylate, 20 parts of polycyclic norbornenyl methacrylate, 4 parts of dioctyl phthalate, and the particle diameter is 800nm ​​polyacrylic acid 15 parts of butyl ester particles, 2 parts of γ-methacryloxypropyl trimethoxysilane modified nano-silica with a particle diameter of 100 nm, 4 parts of benzoyl peroxide, and 1 part of dodecyl mercaptan.

[0022] The preparation method of above-mentioned impact-resistant plexiglass, comprises the steps:

[0023] S1, modifying nano-silica with γ-methacryloxypropyltrimethoxysilane, polycyclic norbornene methacrylate, dioctyl phthalate, benzoyl peroxide, lauryl Add alkyl mercaptan to methyl methacrylate, ultrasonically disperse, heat up to 80°C, keep warm and stir for 20min, cool down to 10°C in an ice-water bath, let stand for 30min, heat up to 45°C, keep warm for 25h, then heat up to 55°C, keep warm 25h, then raised to 75°C, kept warm...

Embodiment 3

[0026] A kind of anti-shock organic glass, its raw material comprises by weight: 200 parts of methyl methacrylate, 10 parts of polycyclic norbornenyl methacrylate, 6 parts of dioctyl phthalate, and the particle diameter is 600nm polyacrylic acid 20 parts of butyl ester particles, 4 parts of γ-methacryloxypropyl trimethoxysilane modified nano-silica with a particle diameter of 50 nm, 1 part of benzoyl peroxide, and 3 parts of dodecyl mercaptan.

[0027] The preparation method of above-mentioned impact-resistant plexiglass, comprises the steps:

[0028] S1, modifying nano-silica with γ-methacryloxypropyltrimethoxysilane, polycyclic norbornene methacrylate, dioctyl phthalate, benzoyl peroxide, lauryl Add alkyl mercaptan to methyl methacrylate, ultrasonically disperse, heat up to 70°C, keep warm and stir for 30min, cool down to 5°C in an ice-water bath, let stand for 60min, heat up to 40°C, keep warm for 30h, then heat up to 50°C, keep warm 30h, then raise the temperature to 70°C...

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Abstract

The invention discloses a piece of impact-resistant organic glass. The impact-resistant organic glass comprises the following raw materials in part by weight: 100-200 parts of methyl methacrylate, 10-20 parts of methylacrylate polycyclic norbornene-yl-acetate, 4-6 parts of dioctyl phthalate, 15-20 parts of rubber particles, 2-4 parts of modified nano-silica, 1-4 parts of benzoperoxide, and 1-3 parts of molecular weight regulator. The invention further discloses a preparation method of above mentioned impact-resistant organic glass. The impact-resistant organic glass disclosed by the invention is high in impact resistance and good in tenacity.

Description

technical field [0001] The invention relates to the technical field of organic glass, in particular to an impact-resistant organic glass and a preparation method thereof. Background technique [0002] Plexiglass is a polymer compound polymerized from methyl methacrylate, abbreviated as polymethyl methacrylate, abbreviated as PMMA. Plexiglass is widely used in daily life, industry, construction, aerospace and other aspects. There are four types of plexiglass: colorless and transparent, colored and transparent, pearlescent, and embossed plexiglass. Plexiglass is commonly known as acrylic, Zhongxuan acrylic, and acrylic. Plexiglass has smooth surface, bright colors, small specific gravity, high strength, corrosion resistance, moisture resistance, light resistance, good insulation performance, and good sound insulation; The texture is crisper. In order to meet people's demand for plexiglass, it is necessary to provide a new plexiglass with good impact resistance and toughness...

Claims

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Application Information

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IPC IPC(8): C08L51/10C08L21/00C08K5/12C08F292/00C08F220/14C08F220/18
CPCC08F220/14C08F292/00C08L51/10C08L2201/08C08L21/00C08K5/12C08F220/18
Inventor 邹渊博
Owner 安徽亚克力实业有限公司
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