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thermoplastic resin composition

A technology of thermoplastic resin and composition, which is applied in the field of thermoplastic resin composition, and can solve the problems affecting the gloss and impact resistance of thermoplastic resin composition, poor compatibility, inability to mix uniformly, etc.

Active Publication Date: 2017-11-10
CHI MEI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the surface hardness of the thermoplastic resin composition formed in this way can be effectively improved, the components in the thermoplastic resin composition cannot be uniformly mixed due to poor compatibility, thereby affecting the quality of the thermoplastic resin composition. Gloss and impact resistance, etc.

Method used

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  • thermoplastic resin composition
  • thermoplastic resin composition

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] The preparation steps of the graft copolymer of this preparation example are as follows:

[0041] (1) 95.0 parts by weight of 1,3-butadiene, 5.0 parts by weight of acrylonitrile, 15.0 parts by weight of potassium persulfate solution, 3.0 parts by weight of sodium pyrophosphate, 1.5 parts by weight of potassium oleate, 140.0 parts by weight of Parts of distilled water and 0.2 parts by weight of tert-dodecyl mercaptan were reacted at 65°C for 12 hours to obtain diene rubber particles with a conversion rate of about 94%, a solid content of about 40%, and an average particle size of 0.1 μm diene rubber emulsion.

[0042] (2) The particle size of the diene rubber particles in the diene rubber emulsion of 100 parts by weight (dry weight) is increased to 0.2 μm by using the polymer coagulant of 4 parts by weight (dry weight) to obtain a particle enlarged Diene rubber emulsion.

[0043] The average particle diameters of the diene rubber particles obtained by using different w...

Embodiment 1

[0054] The preparation steps of the thermoplastic resin composition of embodiment 1 are as follows:

[0055] (1) 27.4 parts by weight of graft copolymer, 72.6 parts by weight of styrene-acrylonitrile copolymer and 1.1 parts by weight of ethylene bisstearamide (ethylene bisstearamide, referred to as EBS) are dry mixed with Henschel mixer Finally, melt and knead with a twin-screw extruder (manufactured by Werner & Pfleiderer; model ZSK-25) with a raw material tank temperature of 200-220°C and a die head temperature of 220°C to obtain granular Acrylonitrile-diene-styrene copolymer resin composition (ABS), wherein the content of rubber (ie, diene rubber polymer) component is 17% by weight. Table 3 is the content (wt%) of the rubber component in the acrylonitrile-diene-styrene copolymer resin composition (ABS), and the combination used to prepare the acrylonitrile-diene-styrene copolymer resin The relationship between the amount of graft copolymer (ABS) and styrene-acrylonitrile c...

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Abstract

A thermoplastic resin composition, which comprises 18wt%-34wt% of graft polymer, 66wt%-82wt% of styrene-acrylonitrile copolymer and concentrated color masterbatch. The graft polymer is a diene rubber polymer grafted with styrene monomer units and acrylonitrile monomer units, wherein the average particle diameter of the graft polymer is less than or equal to 0.35 μm. Styrene-acrylonitrile-based copolymers have at least styrene-based monomer units and at least acrylonitrile-based monomer units, wherein based on the total weight of styrene-based monomer units and acrylonitrile-based monomer units, acrylonitrile-based monomers The units account for 20wt% to 35wt%. The concentrated color masterbatch has a carrier, and the carrier is a copolymer comprising styrene-based monomer units and acrylonitrile-based monomer units, wherein based on the total weight of the graft polymer and styrene-acrylonitrile copolymer, the concentrated color masterbatch The material content is 0.5wt% ~ 1wt%.

Description

technical field [0001] The present invention relates to a resin composition, and in particular to a thermoplastic resin composition. Background technique [0002] Thermoplastic resins such as acrylonitrile-styrene resin (abbreviated as AS resin), acrylonitrile-butadiene-styrene resin (abbreviated as ABS resin) and methyl methacrylate resin (abbreviated as PMMA) have been widely used Used in different fields, such as household appliances, mechanical parts, office supplies, electronic components, automobile industry and other fields. In order to meet the requirements of the industry for hardness and other properties, the current research of various parties is mainly directed towards mixing the aforementioned thermoplastic resins into a composition with specific properties for subsequent application. [0003] In recent years, the main components of thermoplastic resin compositions used in the coatings field are rubber polymers, copolymers of styrene monomers and acrylonitrile ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/12C08L51/04C08L55/02C08K3/04C08J3/22
Inventor 郭俊廷巫健仲
Owner CHI MEI CORP