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Novel production process of ABS resin

A technology of ABS resin and production process, which is applied in the field of ABS resin production process, can solve the problems of poor light aging resistance, achieve excellent mechanical properties, eliminate the problem of thermal expansion coefficient mismatch, and achieve the effect of high heat resistance

Inactive Publication Date: 2013-12-25
林金松
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Problems solved by technology

[0003] Aiming at the relatively poor light aging resistance of ABS materials, the object of the present invention is to provide a novel production process for ABS resins, which uses acrylate (A) that does not contain double bonds in the main chain to replace butadiene, thereby obtaining ASA (Acryl-Styrene-Acrylate) Copolymer and ASA / PC Copolymer with Better Weathering Resistance

Method used

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Embodiment Construction

[0009] The production process of novel ABS resin comprises the following steps:

[0010] 1. Preparation of co-intercalated nanofillers; the untreated nanofillers used include sodium-based montmorillonite and calcium-based montmorillonite as inorganic layered materials, and the layered materials treated by organic methods can be combined with polymer matrix Mixing or adding to the polymerization reaction system to obtain a nanocomposite of polymer / layered material, the composite includes an intercalated or dissociated sheet structure;

[0011] 2. Mix co-intercalation nanofillers with PP base material: directly prepare the inorganic layered material and intercalation agent in a twin-screw extruder, and the ratio of acrylate to silane is between 3:1 and 1:3 ; The weight ratio of the total amount of intercalation agent to the inorganic layered material is at least 1:10; the mixing process is carried out under the heating condition that the temperature of the extruder is controlled...

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Abstract

The invention discloses a novel production process of ABS resin. The process is characterized by comprising the following steps: 1) preparing jointly-inserted layer type nanofiller; 2) mixing the jointly-inserted layer type nanofiller with PP base stocks. According to the process, the dispersion phase of the nanofiller reaches 10-30 nanoscale, the nanofiller has the quite large interface area, chemical bonding enables the inorganic dispersed phase and a polymer matrix interface to have the ideal adhesive property, the problem that the coefficients of thermal expansion of an inorganic substance and a polymer matrix are not matched is solved, and the internal excellent mechanical property, the high heat resistance property and the barrier property of the inorganic substance are fully exerted. Meanwhile, polar group-acrylic ester is dispersed into the PP matrix in a nanoscale mode, and therefore adhesion is given to the PP base stocks.

Description

technical field [0001] The invention relates to a novel production process of ABS resin. Background technique [0002] The full name of ABS resin is acrylonitrile-butadiene-styrene. Because it combines the excellent properties of the three components, it is widely used. ABS has the characteristics of heat resistance, high surface hardness, dimensional stability, chemical resistance, good electrical properties, easy molding and machining, and also has good electroplating or coating properties. Mainly used for: painting exterior mirrors, bumper trim, central tunnel, accessories in the instrument panel, such as ashtrays, teacup holders and glove boxes, etc. The material needs to be dried at 80-85°C before injection molding, and the injection molding temperature is 210-250°C. In order to further improve the impact resistance of ABS, people use the method of blending polycarbonate and ABS to modify it. Since polycarbonate has good weather resistance and impact resistance, the ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L25/14C08K9/06C08K9/04C08K3/34
Inventor 林金松
Owner 林金松
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