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High flame-retardant material for mobile phone shell
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A mobile phone shell, high flame-retardant technology, applied in the field of plastic materials, can solve the problems of poor processing fluidity, poor flame retardancy, etc.
Inactive Publication Date: 2018-10-23
安徽酷米智能科技股份有限公司
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Abstract
Description
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Problems solved by technology
However, the existing plastic mobile phone casings have problems such as poor processing fluidity and poor flame retardancy, which need to be solved
Method used
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Embodiment 1
[0019] A high flame-retardant material for mobile phone casings, the raw materials of which include by weight: 65 parts of PC, 33 parts of ABS, 4 parts of composite compatibilizer, 17 parts of composite flame retardant, 0.2 parts of polytetrafluoroethylene, phthalic acid 1.2 parts of diisobutyl ester, 0.3 part of pentaerythritolstearate, 1 part of zinc stearate, 0.2 part of phosphite, and 0.8 part of 2,6-di-tert-butyl-4-methylphenol.
Embodiment 2
[0021] A high flame-retardant material for mobile phone casings, the raw materials of which include by weight: 75 parts of PC, 27 parts of ABS, 7 parts of composite compatibilizer, 13 parts of composite flame retardant, 0.7 parts of polytetrafluoroethylene, phthalic acid 0.5 part of diisobutyl ester, 0.7 part of pentaerythritol stearate, 0.4 part of zinc stearate, 0.8 part of phosphite, and 0.3 part of 2,6-di-tert-butyl-4-methylphenol.
Embodiment 3
[0023] A high flame-retardant material for mobile phone casings, the raw materials of which include by weight: 65 parts of PC, 33 parts of ABS, 4 parts of composite compatibilizer, 17 parts of composite flame retardant, 0.2 parts of polytetrafluoroethylene, phthalic acid 1.2 parts of diisobutyl ester, 0.3 part of pentaerythritol stearate, 1 part of zinc stearate, 0.2 part of phosphite, 0.8 part of 2,6-di-tert-butyl-4-methylphenol; The agent is composed of acrylonitrile-styrene copolymer and its graft and MBS in a weight ratio of 1:3; the composite flame retardant is composed of triphenyl phosphate, nano silicon dioxide, tetraphenyl bisphenol-A-di Phosphate is composed of 13:8:12 by mass ratio;
[0024] The preparation of described high flame retardant material:
[0025] S1. Dry PC at 105°C for 5 hours, and dry ABS at 85°C for 6 hours;
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Abstract
The invention discloses a high flame-retardant material for a mobile phone shell. The high flame-retardant material is prepared from the following raw materials in parts by weight: 65 to 75 parts of PC (polycarbonate), 27 to 33 parts of ABS (acrylonitrile butadiene styrene), 4 to 7 parts of compound compatilizer, 13 to 17 parts of compound flame retardant, 0.2 to 0.7 part of polytetrafluoroethylene, 0.5 to 1.2 parts of diisobutyl phthalate, 0.3 to 0.7 part of pentaerythritolstearate, 0.4 to 1 part of zincstearate, 0.2 to 0.8 part of phosphate, and 0.3 to 0.8 part of 2,6-ditert butyl-4-methylphenol. The prepared high flame-retardant material has excellent flame-retardant property and flowing property.
Description
technical field [0001] The invention relates to the technical field of plastic materials, in particular to a highly flame-retardant material for a mobile phone casing. Background technique [0002] Polycarbonate, referred to as PC, is a polymer whose main chain contains carbonate bonds. Polycarbonate can be roughly divided into two categories: one is aromatic carbonate, mainly bispan polycarbonate; Class is aliphatic polycarbonate. ABS resin is a complex phase structure composed of acrylonitrile, butadiene and styrene ternary copolymerization. It is a two-phase system composed of a dispersed phase and a continuous phase. The continuous phase is styrene-refined acrylonitrilecopolymer (SAN ) resin whose dispersed phase is polybutadiene (PB) rubber particles. [0003] Mobile phone cases are mainly made of metal or plastic. The metalmobile phone case has the advantages of good texture and high strength, but it has problems such as high cost, difficult processing, signal pro...
Claims
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Application Information
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