Semitransparent light-resistant electroplating ABS and PC material and preparation method thereof

A translucent, photoelectric technology, applied in the field of polymer alloy materials, can solve the problems of PC/ABS composite materials such as easy oxidation and yellowing, poor light resistance, poor fluidity and easy cracking

Active Publication Date: 2022-03-22
宁波瑞隆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the related art, the electroplating grade PC / ABS composite material is a composite material formed by blending polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (ABS), among which polycarbonate (PC) It has the advantages of high mechanical strength and high impact strength, but its fluidity is poor and easy to crack, and ABS can be used as a modified material to improve the fluidity, electroplating performance and corrosion resistance of PC, thereby reducing the possibility of cracking of electroplating grade PC / ABS materials
[0004] However, due to the relatively poor light resistance of the above-mentioned electroplating grade PC / ABS composite material, when it is applied to an automotive LED lampshade, ultraviolet rays will continue to destroy the internal molecular structure of the PC / ABS composite material, thereby causing the PC / ABS composite material to Easy to oxidize and turn yellow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example

[0035] In this application, each raw material component is as table 1:

[0036] Table 1 The source of each raw material component

[0037] raw material model PC Chimei PC-110 ABS Chimei PA-765B 2,4-Dihydroxybenzophenone CAS: 131-56-6 Dimethyl 4-methoxybenzylidene malonate CAS: 7443-25-6 dehydrohalamine CAS: 615-42-9 4-(1 ,2 ,2-Triphenylethenyl)benzaldehyde CAS: 1289218-74-1 Maleic anhydride grafted ABS CAS: 71342-87-5 ethanol CAS: 64-17-5 Acetic acid CAS: 64-19-7 acetone CAS: 64-64-1

preparation example 1

[0039] A method for preparing tetrastyrylcarboline, comprising the following steps: in a dry 250ml round-bottomed flask, remove 0.01mol hydrohalline and 0.01mol 4-(1,2,2-triphenylethenyl) Dissolve benzaldehyde in 100 ml of ethanol, then add 0.5 ml of acetic acid dropwise at a stirring speed of 500 r / min, continue to stir and reflux for 3 hours, cool to room temperature after the reaction is completed, filter under reduced pressure, and recrystallize through ethanol-acetone , dried in vacuo to obtain tetrastyrylcarboline.

Embodiment 1

[0042] A translucent light-resistant electroplating ABS, PC material, using the following preparation method:

[0043] (1) Add 50kgPC, 30kgABS, 7kg compatibilizer and 1kg anti-ultraviolet agent to the mixer, then stir at a stirring speed of 180r / min for 10min to obtain ABS and PC mixed raw materials;

[0044] (2) Put the mixed raw materials of ABS and PC into the twin-screw extruder, and then extrude and cool to obtain translucent and light-resistant electroplated ABS and PC materials (the temperature from the feed section to the head in the twin-screw extruder is 235°C , 250°C, 250°C, 255°C, 250°C, 250°C, 245°C, 245°C, 240°C, head temperature is 250°C, stirring speed is 200r / min);

[0045]Among them, the compatibilizer is a mixture of maleic anhydride grafted ABS and acetone, and the weight ratio of maleic anhydride grafted ABS and acetone is 1:1; the anti-ultraviolet agent is 2,4-dihydroxybenzophenone, 4 - a mixture of dimethyl methoxybenzylidene malonate and tetrastyrylcar...

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PUM

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Abstract

The invention relates to the technical field of polymer alloy materials, in particular to a semitransparent light-resistant electroplating ABS (Acrylonitrile Butadiene Styrene) and PC (Polycarbonate) material. The semitransparent light-resistant electroplating ABS and PC material is prepared from the following raw materials in parts by weight: 40 to 60 parts of PC, 20 to 40 parts of ABS, 6 to 8 parts of a compatilizer and 0.5 to 1.5 parts of an anti-ultraviolet agent, and the anti-ultraviolet agent is a mixture of 2, 4-dihydroxybenzophenone, dimethyl 4-methoxybenzylidene malonate and tetraphenylethylene carboline. The preparation method comprises the following steps: (1) preparing an ABS and PC mixed raw material; and (2) preparing the semitransparent light-resistant electroplating ABS and PC material. The semitransparent light-resistant electroplating ABS and PC material and the preparation method thereof have the effects of oxidation resistance and yellowing resistance.

Description

technical field [0001] This application relates to the technical field of polymer alloy materials, more specifically, it relates to a translucent light-resistant electroplated ABS, PC material and a preparation method thereof. Background technique [0002] Polymer alloy materials are a new class of high-performance, functional and specialized materials obtained by physical blending or chemical grafting. Among them, the electroplating grade PC / ABS material has excellent heat resistance, toughness, Fatigue resistance and electroplating performance, so it is widely used in office equipment, packaging materials, construction materials and automotive exterior parts, such as automotive LED lampshades. [0003] In the related art, the electroplating grade PC / ABS composite material is a composite material formed by blending polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (ABS), among which polycarbonate (PC) It has the advantages of high mechanical strength and hig...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L55/02C08L51/06C08K5/07C08K5/132C08K5/12C08K5/3435
CPCC08L69/00C08L2201/10C08L2201/08C08L55/02C08L51/06C08K5/07C08K5/132C08K5/12C08K5/3435
Inventor 王波岑忠于孙潇董利春
Owner 宁波瑞隆新材料科技有限公司
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