Anti-flaming organic glass and preparation method thereof

A plexiglass and preparation process technology, which is applied in the field of flame retardant plexiglass and its preparation, can solve the problems of unbalanced flame retardancy and toughness of plexiglass, affect the toughness of plexiglass, and low flame retardancy, so as to increase flame retardant and environmental protection Good flame retardancy and toughness, the effect of increasing toughness and impact resistance

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 a smooth surface, bright colors, small specific gravity, high strength, corrosion resistance, moisture resistance, light resistance, good insulation performance, and good sound insulation; but plexiglas

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A flame-retardant organic glass, the raw materials of which include by weight: 110 parts of methyl methacrylate, 7 parts of composite flame retardant, 11 parts of oxalic acid diacrylate, 2 parts of acetyl trioctyl citrate, 15 parts of rubber particles 3 parts, 3 parts of carboxymethyl cellulose, 3 parts of modified carbon fiber, 0.8 part of lauroyl peroxide;

[0019] Among them, in the preparation process of the composite flame retardant, diethyl chlorophosphate and tetrahydrofuran are mixed, the temperature is adjusted, then triethylamine is added to mix, and then the tetrahydrofuran solution of hydroxyethyl acrylate is added dropwise, kept stirring, and the temperature is raised to Stir at room temperature, keep warm, and purify to obtain material A; mix material A with modified expandable graphite and ammonium polyphosphate to obtain a composite flame retardant.

[0020] The preparation method of the above-mentioned flame-retardant plexiglass comprises the following ...

Embodiment 2

[0022] A kind of flame retardant organic glass, its raw material includes by weight: 100 parts of methyl methacrylate, 10 parts of composite flame retardant, 10 parts of oxalic acid diacrylate, 3 parts of acetyl trioctyl citrate, 13 parts of rubber particles Parts, 4 parts of carboxymethyl cellulose, 2 parts of vinyltrimethoxysilane modified carbon fiber, 1 part of lauroyl peroxide;

[0023] Among them, in the preparation process of the composite flame retardant, diethyl chlorophosphate and tetrahydrofuran were mixed, and the temperature was adjusted to 0°C, then triethylamine was added to mix, and then hydroxyethyl acrylate was added dropwise at a rate of 6 drops / min. Tetrahydrofuran solution of ester, heat preservation and stirring for 5 hours, warm up to room temperature, heat preservation and stirring for 10 hours, filter the filtrate, and rotary evaporate to obtain material A; mix material A with vinyltrimethoxysilane modified expandable graphite and ammonium polyphosphate...

Embodiment 3

[0026] A flame-retardant organic glass, the raw materials of which include by weight: 120 parts of methyl methacrylate, 5 parts of composite flame retardant, 12 parts of oxalic acid diacrylate, 1 part of acetyl trioctyl citrate, 17 parts of rubber particles Parts, 2 parts of carboxymethyl cellulose, 4 parts of vinyltrimethoxysilane modified carbon fiber, 0.5 part of lauroyl peroxide;

[0027] Among them, in the preparation process of the composite flame retardant, diethyl chlorophosphate and tetrahydrofuran were mixed, the temperature was adjusted to 4°C, then triethylamine was added to mix, and then hydroxyethyl acrylate was added dropwise at a rate of 4 drops / min. Tetrahydrofuran solution of the ester, heat preservation and stirring for 6 hours, warm up to room temperature, heat preservation and stirring for 8 hours, filter the filtrate, and rotary evaporate to obtain material A; mix material A with vinyltrimethoxysilane modified expandable graphite and ammonium polyphosphate...

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PUM

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Abstract

The invention discloses anti-flaming organic glass which comprises the following raw materials in parts by weight: 100-120 parts of methyl methacrylate, 5-10 parts of composite flame retardant, 10-12 parts of oxalic acid acrylate, 1-3 parts of trioctyl acetylcitrate, 13-17 parts of rubber particles, 2-4 parts of carboxymethylcellulose, 2-4 parts of modified carbon fibers and 0.5-1 part of lauroyl peroxide. The preparation process of the composite flame retardant comprises the following steps: uniformly mixing diethyl chlorophosphate with tetrahydrofuran; regulating the temperature; adding triethylamine and uniformly mixing; dropwise adding hydroxyethyl acrylate into the tetrahydrofuran solution and stirring under the heat preservation mode; increasing the temperature to the room temperature; stirring under the heat preservation mode and then purifying, thereby acquiring a material A; mixing the material A with expansible graphite and ammonium polyphosphate, thereby acquiring the composite flame retardant. The invention also discloses a preparation method for the anti-flaming organic glass. The anti-flaming organic glass is high in fire resistance and toughness.

Description

technical field [0001] The invention relates to the technical field of organic glass, in particular to a flame-retardant 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 a smooth surface, bright colors, small specific gravity, high strength, corrosion resistance, moisture resistance, light resistance, good insulation performance, and good sound insulation; but plexiglass is easy to use. Combustion, low flame retardancy, low toughness, easy to crack. Flame retardants are usually added to improve the flame retarda...

Claims

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Application Information

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IPC IPC(8): C08L51/10C08L21/00C08L1/28C08K5/11C08K3/32C08F292/00C08F220/14C08F222/14C08F230/02
CPCC08F220/14C08F222/14C08F230/02C08F292/00C08L51/10C08L2201/02C08L2201/08C08L2205/03C08L21/00C08L1/286C08K5/11C08K2003/323C08F222/102
Inventor 邹渊博
Owner 安徽亚克力实业有限公司
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