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Transparent and toughened polymethyl methacrylate (PMMA) material and preparation method thereof

A toughening and transparent technology, applied in the field of transparent and toughened PMMA materials and their preparation, can solve the problems of few PMMA modified materials, inability to have both transparency and high toughness, and achieve good fluidity, high toughness, high transparency effect

Inactive Publication Date: 2010-10-27
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inability to have both transparency and high toughness, there are very few PMMA modified materials that are actually put on the market

Method used

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  • Transparent and toughened polymethyl methacrylate (PMMA) material and preparation method thereof
  • Transparent and toughened polymethyl methacrylate (PMMA) material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] PMMA (brand is CM205) weight ratio is 70% (both percentages by weight), toughening agent 29% (wherein C-233A / EM500A / EM600=15 / 9 / 5), lubricant 0.8%, antioxidant 0.2 % mixing, the mixed materials are added into the hopper of the twin-screw extruder, melted and blended, extruded and granulated into alloy materials. Among them, the temperature settings of each zone of the screw are: the temperature of the first zone of the twin-screw extruder is 190-200°C, the temperature of the second zone is 210-220°C, the temperature of the third zone is 220-225°C, the temperature of the fourth zone is 210-220°C, and the head is 200- 205°C, residence time 1-2min, pressure 10-20MPa.

Embodiment 2

[0032] PMMA (brand is CM205) weight ratio is 80% (both percentages by weight), toughening agent 19% (wherein C-233A / EM500A / EM600=10 / 6 / 3), lubricant 0.7%, antioxidant 0.3 % Mixing Add the mixed materials into the hopper of the twin-screw extruder, melt and blend, extrude and granulate into alloy materials. Among them, the temperature settings of each zone of the screw are: the temperature of the first zone is 190-200°C, the temperature of the second zone is 210-220°C, the temperature of the third zone is 220-225°C, the temperature of the fourth zone is 210-220°C, the head is 200-205°C, the residence time 1~2min, the pressure is 10-20MPa.

Embodiment 3

[0034] PMMA (brand is CM207) weight ratio is 75% (both percentage by weight), toughening agent 24% (wherein C-233A / EM500A / EM600=11 / 8 / 5), lubricant 0.8%, antioxidant 0.2 % mixing, the mixed materials are added into the hopper of the twin-screw extruder, melted and blended, extruded and granulated into alloy materials. Among them, the temperature settings of each zone of the screw are: the temperature of the first zone is 190-200°C, the temperature of the second zone is 210-220°C, the temperature of the third zone is 220-225°C, the temperature of the fourth zone is 210-220°C, the head is 200-205°C, the residence time 1~2min, the pressure is 10-20MPa.

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Abstract

The invention discloses a transparent and toughened polymethyl methacrylate (PMMA) material and a preparation method thereof. The transparent and toughened PMMA material comprises the following components in percentage by weight: 70 to 80 percent of polymethylmethacrylate, 20 to 30 percent of toughening agent, 0.5 to 1 percent of lubricant and 0.2 to 0.6 percent of antioxidant. The transparent and toughened PMMA material of the invention has high transparency, high toughness and high liquidity and further expands the application field of PMMA materials.

Description

[technical field] [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a transparent and toughened PMMA 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 ...

Claims

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Application Information

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IPC IPC(8): C08L33/12C08L51/04B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/875B29C48/92B29C2948/92514B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 徐东徐永马旭辉
Owner SHENZHEN KEJU NEW MATERIAL
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