ABS resin composition with matte effect and preparation method of ABS resin composition
A technology of ABS resin and composition, which is applied in the field of ABS resin composition with matte effect and its preparation, can solve the problems of uneven gloss of products, fluctuations in physical and mechanical properties, high cost, etc., and achieve uneven distribution of gloss , The effect of simple process
Active Publication Date: 2015-03-11
SHANGHAI KUMHO SUNNY PLASTICS
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Problems solved by technology
[0010] However, the above-mentioned technical solutions often have shortcomings such as large fluctuations in physical and mechanical properties, uneven gloss of the product, and high cost. These defects greatly limit the wide application of materials.
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1-8 and comparative example 1
[0029] The components and contents of the matte ABS resin compositions in Examples 1-8 and Comparative Example 1 are shown in Table 1, and the materials were prepared according to the components and contents of each Example and Comparative Example in Table 1. First, the prepared material is fully stirred and premixed in a high-speed mixer, and then the premixed material is passed through a twin-screw extruder, and melted at an extrusion temperature of 200-260°C and a screw speed of 200-500 rpm Extrude, cool and granulate to obtain an ABS resin composition with a matte effect.
[0030] Table 1 Component and Content Table
[0031]
[0032] In the above table:
[0033] Component A: ABS resin, the weight content of butadiene is 16%, the weight average relative molecular mass is 80,000-150,000, the number average particle size of butadiene rubber is 0.6-3.0um, produced by Kumho Petrochemical in South Korea;
[0034] Component B-1: ethylene glycol dimethacrylate, commercially a...
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Abstract
The invention relates to an ABS resin composition with a matte effect and a preparation method of the ABS resin composition. The ABS resin composition comprises the following components in parts by weight: 93-99.5 parts of acrylonitrile-butadiene-styrene (ABS) resin, 1-5 parts of a cross-linking agent, 0.2-1.0 part of an initiator and 0.5-1.5 parts of a processing agent. The method comprises the following steps: premixing the raw materials in a high-speed mixer for 3-10 minutes; and then extruding and pelletizing premix through a twin-screw extruder, so as to obtain a matte ABS resin composition. Compared with the prior art, macromolecule cross-linking reaction on the ABS resin is finished in the extruding and pelletizing processes by adopting online macromolecular reaction technology means; the ABS resin composition with an excellent matte effect is directly prepared by adopting a one-step method; the preparation method is simple in craft process; the technique for firstly preparing matte master batches and then adding to an ABS resin system to carry out extinction is broken through; and the problems of uneven glossiness distribution, deteriorative physical and mechanical properties, relatively high cost and the like are solved.
Description
technical field [0001] The invention relates to a resin composition and a preparation method thereof, in particular to an ABS resin composition with a matte effect and a preparation method thereof. Background technique [0002] Generally, products processed from thermoplastic resins require a high-gloss appearance, but some electronic appliances and automotive interior components prefer to have a matte surface, such as computer casings, keyboards, mice, instrument panels and sunshades in automotive interiors. board, navigator frame, etc. Especially in the field of automotive interiors, in order to avoid the visual disturbance caused by the reflection of sunlight on the driver and reduce the driver's visual fatigue, so as to achieve the purpose of safe and comfortable driving, matting or matte treatment is generally carried out to reduce the interior as much as possible. surface gloss of the piece. Generally, there are mainly the following methods to reduce the surface glos...
Claims
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Login to View More IPC IPC(8): C08F285/00C08F222/14C08F212/36C08F226/06C08L51/00B29C47/92B29C48/92
Inventor 季得运周霆罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS