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Anti-photoaging nano TiO2/ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof

A technology of anti-photoaging and composite materials, applied in the field of polymer materials, can solve the problems of ABS photoaging degradation, butadiene chain link breakage, etc., and achieve the effect of broad application prospects and good anti-photoaging performance.

Inactive Publication Date: 2013-06-12
SUZHOU SUNWAY POLYMER
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  • Application Information

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Problems solved by technology

[0002] As a thermoplastic engineering plastic, ABS is widely used in industrial fields such as machinery, automobiles, home appliances, and construction. However, after the addition polymerization reaction of ABS is completed, there are still more active tertiary allyl hydrogen groups in a small number of chains. Under the action of light and oxygen, the butadiene chains are easily broken, resulting in the photoaging degradation of ABS

Method used

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  • Anti-photoaging nano TiO2/ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof
  • Anti-photoaging nano TiO2/ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof

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Embodiment approach

[0020] Table 1 The parts by weight of each component of embodiment 1-4 and comparative example

[0021] Among them, ABS is commonly used in industrial production, wherein the content of butadiene is 20%, the content of acrylonitrile is 20%, the content of styrene is 50%, and the above is the percentage by weight; nano TiO 2 rutile nano-TiO 2 The antioxidant is antioxidant 168, and its chemical name is three (2,4-di-tert-butylphenol) phosphite; the light stabilizer is selected from one or both of light stabilizer 944 and light stabilizer 770 a mixture; the ultraviolet absorber is selected from one or two mixtures of UV-3853 and UV-2908; the other additives include color additives, lipids or fatty acid lubricants.

[0022] According to the components of each embodiment in Table 1 and the parts by weight of each component, a kind of nano TiO with anti-light aging is prepared respectively 2 / ABS composite material, the specific process is as follows:

[0023] (1) The rut...

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Abstract

The invention discloses an anti-photoaging nano TiO2 / ABS (acrylonitrile-butadiene-styrene) composite material, which comprises the following components by weight ratio: 55-85 parts of ABS, 10-30 parts of nano TiO2, antioxidant of 0.1-2 parts, 0.1-2 parts of light stabilizer, 0.1-2 parts of UV (ultraviolet) absorber, and 0.1-1 part of other additives. The rutile nanoTiO2 has an excellent long-lasting UV shielding performance, and has environmental friendly advantages compared with benzotriazole UV absorbers, hindered amine light stabilizers and other traditional anti-aging modifiers. The modified ABS composite material prepared by the invention not only has a good anti-photoaging property, the physical and mechanical properties and thermodynamic properties of the material are basically unaffected, and the application prospects are broad.

Description

technical field [0001] The invention relates to a nano-TiO with anti-light aging 2 The invention relates to an ABS composite material and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] As a thermoplastic engineering plastic, ABS is widely used in industrial fields such as machinery, automobiles, home appliances, and construction. However, after the addition polymerization of ABS is completed, there are still more active tertiary allyl hydrogen groups in a small number of chains. Under the action of light and oxygen, the butadiene chains are easily broken, resulting in the photoaging degradation of ABS. Therefore, after long-term use outdoors, products made of ABS will experience macroscopic deterioration such as yellowing, cracking, loss of gloss, and decline in mechanical properties. The aging resistance of ABS determines to a certain extent that ABS is used as a structural material. engineering applicati...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K9/04C08K3/22
Inventor 任俊
Owner SUZHOU SUNWAY POLYMER
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