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Anti-aging antimicrobial PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) blend alloy and preparation method thereof

An anti-aging, mixed gold technology, applied in the field of polymer materials, can solve the problems of limited PC application, high processing temperature, large residual stress, etc., to achieve good social value and experience value, increase added value, and improve the effect of mechanical properties.

Active Publication Date: 2014-12-10
STARWAY INTERNATIONAL HOME LIVING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of PC is relatively expensive, the processing temperature is high, the residual stress is large, and the fluidity is poor, which limits the application of PC to a large extent.
Compared with PC, acrylonitrile-butadiene-styrene copolymer (ABS) is cheap, has excellent performance, has gloss, and is easy to form and process, but its heat resistance is poor

Method used

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  • Anti-aging antimicrobial PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) blend alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An aging-resistant and antibacterial PC / ABS blended alloy and a preparation method thereof, the formula consists of:

[0020] High viscosity ABS (5% butadiene, density 1.04 g / cm 3 ) is 12%;

[0021] PC (with a density of 1.18 g / cm 3 , molecular weight is 40000) is 40%;

[0022] Photostable antibacterial agent nano-titanium dioxide (50nm) is 3%;

[0023] UV absorber benzophenones is 2%;

[0024] Light calcium carbonate (particle size is 1um) is 40%;

[0025] Antioxidant 1010 is 1%;

[0026] The compatibilizer ABS-g-MAH is 2%.

[0027] The preparation method of aging-resistant and antibacterial PC / ABS blended alloy is as follows: fully dry high-viscosity ABS, Dow PC, light-stable antibacterial agent, ultraviolet absorber, nanofiller and other additives in an 80°C blast oven, and pass 1000-rpm high-speed mixer stirs evenly; then the raw materials are extruded, granulated, After drying, PC / ABS alloy particles can be obtained.

Embodiment 2

[0029] An aging-resistant and antibacterial PC / ABS blended alloy and a preparation method thereof, the formula consists of:

[0030] High viscosity ABS (6% butadiene, density 1.05 g / cm 3 ) is 20%;

[0031] PC (with a density of 1.19 g / cm 3 , molecular weight is 50000) is 30%;

[0032] Light stable antibacterial agent nano-titanium dioxide (100nm) is 4%;

[0033] UV absorber salicylic acid is 4%;

[0034] Hard calcium carbonate (particle size is 10um) is 40%;

[0035] Antioxidant 168 is 1%;

[0036] The compatibilizer ABS-g-MAH is 1%.

[0037] The preparation method of aging-resistant and antibacterial PC / ABS blended alloy is as follows: fully dry high-viscosity ABS, Dow PC, light-stable antibacterial agent, ultraviolet absorber, nanofiller and other additives in an 80°C blast oven, and pass The high-speed mixer at 2000 rpm stirs evenly; then the raw materials are extruded, granulated, After drying, PC / ABS alloy particles can be obtained.

Embodiment 3

[0039] An aging-resistant and antibacterial PC / ABS blended alloy and a preparation method thereof, the formula consists of:

[0040] High viscosity ABS (butadiene content 7%, density 1.06 g / cm 3 ) is 25%;

[0041] PC (with a density of 1.20 g / cm 3 , molecular weight is 60000) is 50%;

[0042] Photostable antibacterial agent nano-titanium dioxide (200nm) is 3%;

[0043] The ultraviolet absorber benzotriazepine is 4%;

[0044] Nano calcium carbonate (particle size is 100nm) is 15%;

[0045] Antioxidant 264 is 1%;

[0046] The compatibilizer ABS-g-MAH is 2%.

[0047] The preparation method of aging-resistant and antibacterial PC / ABS blended alloy is as follows: fully dry high-viscosity ABS, Dow PC, light-stable antibacterial agent, ultraviolet absorber, nanofiller and other additives in an 80°C blast oven, and pass 3000-rpm high-speed mixer stirs evenly; then the raw materials are extruded, granulated, After drying, PC / ABS alloy particles can be obtained.

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Abstract

The invention relates to an anti-aging antimicrobial PC / ABS (polycarbonate / acrylonitrile-butadiene-styrene) blend alloy and a preparation method thereof. The alloy comprises the following components in parts by weight: 10-25% of ABS, 30-50% of PC, 0.5-5% of optically-stable antimicrobial agent, 0.5-5% of ultraviolet absorbent, 15-45% of nano filler and 1-5% of other additive. The preparation method comprises the following steps: proportionally drying the raw materials in a blast drying oven, and uniformly stirring with a 1000-5000r high-speed stirrer; and carrying out extrusion, granulation and drying on the raw materials with a specific-temperature single screw extruder to obtain granules. The alloy has the advantages of favorable aging resistance, excellent antimicrobial property and favorable mechanical properties, and can be used for automobile interior decorations, electronic and electric appliances, mechanical equipment, furniture supplies and other products.

Description

technical field [0001] The invention relates to an aging-resistant and antibacterial PC / ABS blended alloy and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] Polycarbonate (PC) is an increasingly widely used engineering plastic, which has comprehensive and stable mechanical properties, thermal properties and electrical properties. However, the price of PC is relatively expensive, the processing temperature is high, the residual stress is large, and the fluidity is poor, which limits the application of PC to a large extent. Compared with PC, acrylonitrile-butadiene-styrene copolymer (ABS) is cheap, has excellent performance, has gloss, and is easy to form and process, but its heat resistance is poor. By blending PC and ABS, an alloy with good overall performance and relatively high performance and price can be obtained. The solubility parameter of PC is 19.5 (J / cm 3 )1 / 2, the solubility parameter of ABS is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L51/06C08K13/02C08K3/22C08K3/26C08K5/07C08K5/134C08K5/526B29B9/06B29C47/92B29C48/92
Inventor 叶根林
Owner STARWAY INTERNATIONAL HOME LIVING CO LTD
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