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Extinction color master batch for polycarbonate (PC)

A polycarbonate and color masterbatch technology, applied in the field of masterbatch, can solve the problems of poor dispersion, affecting product quality, and unfavorable polycarbonate automatic production efficiency, etc., achieving good dispersion, good matte effect, and favorable Effects of Industrial Automation and Cleaner Production

Inactive Publication Date: 2015-05-20
殷培花
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the direct addition of matting agent is not conducive to the automatic production of polycarbonate (PC) industry and the improvement of efficiency, and may also affect product quality due to poor dispersion, a matting color masterbatch for polycarbonate (PC) was developed. Granules are a more suitable solution that is practical and can ensure product quality and effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A matting color masterbatch for polycarbonate (PC), the components of which are: 20% carrier resin, 40% cross-linked styrene-acrylonitrile copolymer, 10% phosphorus stabilizer, rutile type Titanium dioxide 20%, fluorescent whitening agent 6%, EVA wax 4%. Wherein, the carrier resin is bisphenol A aromatic polycarbonate (PC); the fluorescent whitening agent is 2,2,-(2,5-thiophene)bis[5-(1,1- Dimethylethyl)]-benzotriazole.

[0016] Preparation method: Weigh each component according to the weight ratio, add them into high-speed mixing respectively, and stir for 5-25 minutes to fully mix and evenly disperse, then discharge the material into a twin-screw extruder, and heat at 230°C-260°C The matting color masterbatch for polycarbonate (PC) of the present invention is obtained by melting, kneading, extruding, cooling and granulating, drying and packaging.

Embodiment 2

[0018] A matting masterbatch for polycarbonate (PC), the components of which are: 20% carrier resin, 30% cross-linked styrene-acrylonitrile copolymer, 12% hindered phenolic stabilizer, rutile Type titanium dioxide 25%, fluorescent whitening agent 10%, PETS 3%. Wherein, the carrier resin is bisphenol A aromatic polycarbonate (PC); the fluorescent whitening agent is 2,2,-(2,5-thiophene)bis[5-(1,1- Dimethylethyl)]-benzotriazole.

[0019] Preparation method: Weigh each component according to the weight ratio, add them into high-speed mixing respectively, and stir for 5-25 minutes to fully mix and evenly disperse, then discharge the material into a twin-screw extruder, and heat at 230°C-260°C The matting color masterbatch for polycarbonate (PC) of the present invention is obtained by melting, kneading, extruding, cooling and granulating, drying and packaging.

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Abstract

The invention discloses an extinction color master batch for polycarbonate (PC). The extinction color master batch comprises the following components by weight: 15%-30% of a carrier resin, 30%-50% of a flatting agent, 10%-15% of a stabilizer, 15%-25% of titanium dioxide, 5%-15% of a fluorescent whitening agent and 2%-5% of a dispersion agent. The invention has the beneficial effect that compared with the prior art, the extinction color master batch for polycarbonate (PC) provided by the invention has the characteristics of good dispersion, good low gloss matte effect, good appearance, convenience for usage, but also is conducive to industrial automation and clean production, so the invention has a good practical effect.

Description

technical field [0001] The invention relates to a masterbatch, in particular to a matting masterbatch for polycarbonate (PC). Background technique [0002] Polycarbonate (PC) is an amorphous, odorless, tasteless, non-toxic and transparent thermoplastic polymer. It is the only plastic variety with good transparency, and has good mechanical strength, heat resistance and electrical resistance. Comprehensive performance, but also has the advantages of high impact strength, low creep, stable product size, easy to strengthen, non-toxic and hygienic, can be colored, high cost performance, chemical modification and physical modification potential, etc., widely used in glass assembly Industry, automobile industry, electronic appliances, mechanical parts, optical discs, packaging, computers and other office equipment, medical and health care, film, leisure and protective equipment and other fields. With the increasingly fierce market competition, all walks of life have put forward hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L25/12C08K13/02C08K3/22C08J3/22B29B9/06B29C47/92B29C48/92
CPCC08L69/00B29B9/06B29C48/92C08J3/226C08J2369/00C08J2469/00C08L2205/03C08L25/12C08L23/0853C08K2003/2241
Inventor 不公告发明人
Owner 殷培花
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