PC/ABS alloy modified engineering plastic dedicated for laptop casings and production method thereof

Abstract

The invention discloses a PC / ABS alloy modified engineering plastic dedicated for laptop casings. The plastic comprises the following components in percentage by weight: 22% to 65% of polycarbonate, 1% to 10% of compatilizer, 22% to 65% of acrylonitrile-butadiene-styrene, 5% to 40% of mineral filling material, 0.3% to 1% of antioxidant, 3% to 20% of halogen-free fire retardant, 0.5% to 2% of dispersed lubricant, and 3% to 20% of flexibilizer. The invention also discloses a production method of the PC / ABS alloy modified engineering plastic dedicated for laptop casings. The PC / ABS alloy modified engineering plastic dedicated for laptop casings has the advantages of capability of being recycled and utilized, multi-choice of color and outer layer treatment, stable size, good heat radiation property, and high cost performance. The production method has the advantages of simple operation and suitability for mass production.

Description

[0001] technical field

[0002] The invention relates to the technical field of polymer plastic materials, in particular to the field of PC / ABS alloy modified engineering plastics specially used for notebook computer shells.

[0003] Background technique

[0004] The shell of a notebook computer is not only the most direct way to protect the body, but also an important factor affecting its cooling effect, "weight" and aesthetics. There are three main types of notebook shell materials: hard plastic shells; metal alloy shells; carbon fiber alloy shells. 1. Hard plastic casing. Traditional notebooks mostly use hard plastic casing, which is heavy, not very strong, and has poor heat dissipation. After a long time of use, the casing will be worn or deformed to varying degrees. It's like a drum skin that can sink in and bounce back up. At present, most manufacturers have abandoned this material. 2. The metal alloy casing can be divided into aluminum-magnesium alloy materials an...

Examples

Embodiment 1

[0074] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0075] Polycarbonate 42%; Compatibilizer 4%;

[0076] Acrylonitrile-butadiene-styrene 22.2%; Mineral filler 15%;

[0077] Antioxidant 0.3%; Halogen-free flame retardant 12%;

[0078] Dispersed lubricant 0.5%; Toughener 4%.

[0079] Among them, the polycarbonate is a powder polycarbonate with a melt index of 9g / 10min; the compatibilizer is a mixture of maleic anhydride grafted polyolefin elastomer and ethylene methyl acrylate copolymer in any proportion; the mineral filler is nano-scale carbonic acid A mixture of calcium, ultrafine mica powder, ultrafine precipitated barium sulfate, glass fiber, and carbon fiber in any proportion; the antioxidant is a mixture of phosphite antioxidants and amine antioxidants in any proportion; halogen-free flame retardant It is a mixture of oligomeric aryl phosphate, triphenyl phosphate a...

Embodiment 2

[0088] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0089] Polycarbonate 54.4%; Compatibilizer 2%;

[0090] Acrylonitrile-butadiene-styrene 30%; Mineral filler 5%;

[0091] Antioxidant 0.6%; Halogen-free flame retardant 3%;

[0092] Dispersed lubricant 2%; Toughener 3%.

[0093] Wherein, polycarbonate is the powder polycarbonate that melting index is 25g / 10min; Compatibilizer is styrene-maleic anhydride random copolymer and maleic anhydride grafted acrylonitrile-butadiene-styrene copolymer The two substances are mixed in any proportion; the mineral filler is powdered glass fiber and carbon fiber mixed in any proportion; the antioxidant is a phenolic antioxidant; produced by the company); the dispersant lubricant is a mixture of montan wax and polyethylene wax in any proportion; the toughening agent is ethylene butyl acrylate copolymer.

[0094] In this embodiment, the method fo...

Embodiment 3

[0096] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0097] Polycarbonate 28%; Compatibilizer 2%;

[0098] Acrylonitrile-butadiene-styrene 26.3%; Mineral filler 20%;

[0099] Antioxidant 0.9%; Halogen-free flame retardant 17%;

[0100] Dispersed lubricant 1.8%; Toughener 4%.

[0101] Wherein, polycarbonate is the powder polycarbonate that melt index is 12.5g / 10min; Compatibilizer is graft polystyrene-polyethylene-polybutylene-polystyrene block copolymer of maleic anhydride; Mineral filler is Nano talcum powder, carbon fiber and powdered glass fiber are mixed in any proportion; the antioxidant is amine antioxidant; the halogen-free flame retardant is bisphenol A bis(diphenyl phosphate); the dispersing lubricant is polyethylene wax and pentaerythritol stearin The acid ester is mixed in any proportion; the toughening agent is a core-shell structure methyl methacrylate-butadiene-styr...

[0001] technical field

[0002] The invention relates to the technical field of polymer plastic materials, in particular to the field of PC / ABS alloy modified engineering plastics specially used for notebook computer shells.

[0003] Background technique

[0004] The shell of a notebook computer is not only the most direct way to protect the body, but also an important factor affecting its cooling effect, "weight" and aesthetics. There are three main types of notebook shell materials: hard plastic shells; metal alloy shells; carbon fiber alloy shells. 1. Hard plastic casing. Traditional notebooks mostly use hard plastic casing, which is heavy, not very strong, and has poor heat dissipation. After a long time of use, the casing will be worn or deformed to varying degrees. It's like a drum skin that can sink in and bounce back up. At present, most manufacturers have abandoned this material. 2. The metal alloy casing can be divided into aluminum-magnesium alloy materials an...

Examples

Embodiment 1

[0074] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0075] Polycarbonate 42%; Compatibilizer 4%;

[0076] Acrylonitrile-butadiene-styrene 22.2%; Mineral filler 15%;

[0077] Antioxidant 0.3%; Halogen-free flame retardant 12%;

[0078] Dispersed lubricant 0.5%; Toughener 4%.

[0079] Among them, the polycarbonate is a powder polycarbonate with a melt index of 9g / 10min; the compatibilizer is a mixture of maleic anhydride grafted polyolefin elastomer and ethylene methyl acrylate copolymer in any proportion; the mineral filler is nano-scale carbonic acid A mixture of calcium, ultrafine mica powder, ultrafine precipitated barium sulfate, glass fiber, and carbon fiber in any proportion; the antioxidant is a mixture of phosphite antioxidants and amine antioxidants in any proportion; halogen-free flame retardant It is a mixture of oligomeric aryl phosphate, triphenyl phosphate a...

Embodiment 2

[0088] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0089] Polycarbonate 54.4%; Compatibilizer 2%;

[0090] Acrylonitrile-butadiene-styrene 30%; Mineral filler 5%;

[0091] Antioxidant 0.6%; Halogen-free flame retardant 3%;

[0092] Dispersed lubricant 2%; Toughener 3%.

[0093] Wherein, polycarbonate is the powder polycarbonate that melting index is 25g / 10min; Compatibilizer is styrene-maleic anhydride random copolymer and maleic anhydride grafted acrylonitrile-butadiene-styrene copolymer The two substances are mixed in any proportion; the mineral filler is powdered glass fiber and carbon fiber mixed in any proportion; the antioxidant is a phenolic antioxidant; produced by the company); the dispersant lubricant is a mixture of montan wax and polyethylene wax in any proportion; the toughening agent is ethylene butyl acrylate copolymer.

[0094] In this embodiment, the method fo...

Embodiment 3

[0096] A special PC / ABS alloy modified engineering plastic for notebook computer shells, containing the following components by weight percentage:

[0097] Polycarbonate 28%; Compatibilizer 2%;

[0098] Acrylonitrile-butadiene-styrene 26.3%; Mineral filler 20%;

[0099] Antioxidant 0.9%; Halogen-free flame retardant 17%;

[0100] Dispersed lubricant 1.8%; Toughener 4%.

[0101] Wherein, polycarbonate is the powder polycarbonate that melt index is 12.5g / 10min; Compatibilizer is graft polystyrene-polyethylene-polybutylene-polystyrene block copolymer of maleic anhydride; Mineral filler is Nano talcum powder, carbon fiber and powdered glass fiber are mixed in any proportion; the antioxidant is amine antioxidant; the halogen-free flame retardant is bisphenol A bis(diphenyl phosphate); the dispersing lubricant is polyethylene wax and pentaerythritol stearin The acid ester is mixed in any proportion; the toughening agent is a core-shell structure methyl methacrylate-butadiene-styr...