CN104194300A - Anti-aging antimicrobial PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) blend alloy and preparation method thereof - Google Patents
Anti-aging antimicrobial PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) blend alloy and preparation method thereof Download PDFInfo
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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
The present invention relates to a kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, belong to technical field of polymer materials.
Background technology
Polycarbonate (PC) is a kind of increasingly extensive engineering plastics of applying, and it has mechanical property, thermal characteristics and the electrical property of comprehensive stability.But the price of PC is more expensive, and processing temperature is high, and unrelieved stress is large, poor fluidity, has limited the application of PC to a great extent.For PC, Acrylonitrile-butadiene-styrene Copolymer (ABS) is cheap, excellent property, has glossiness, be easy to forming process, but thermotolerance is poor.By PC and ABS blend, can obtain good combination property, the alloy that performance and price is higher.The solubility parameter of PC is 19.5 (J/cm
3) 1/2, the solubility parameter of ABS is 19.6-20 (J/cm
3) 1/2, both are comparatively approaching, so PC and ABS have good consistency, easily obtain well behaved material modified.PC/ABS alloy has been widely used in many fields now, as electronic apparatus, mechanical means, medical device, photographic apparatus and automobile component etc.
At present, along with the fast development of automobile industry, more and more higher to material requirements.Automotive light weight technology has become a trend, requires the material using to have excellent processibility, energy moulding large-scale thin wall parts; Automobile uses for a long time under various environment, requires material under various severe environment, all to have excellent weather resistance; Modern society more and more focuses on environment for human survival, focuses on environmental protection, energy-saving and emission-reduction, requires repeatedly recycling of material.All there is certain defect in the PC/ABS alloy using at present, so the research of the high performance of PC/ABS becomes a focus.
Summary of the invention
The object of the invention is the shortcoming existing in order to overcome prior art, thereby a kind of weather resistance and germ resistance of adding light and stablize antiseptic-germicide and UV light absorber and realize alloy in ABS, PC alloy is provided; Also add nano-mixture simultaneously, improve mechanical property, the reduction material preparation cost of matrix material; Be used for ageing-resistant antibacterial PC/ABS blend alloy of the products such as automotive trim, electronic apparatus, mechanical means, household goods and preparation method thereof.
The technical scheme of the ageing-resistant antibacterial PC/ABS blend alloy of the present invention: it is characterized in that, its component comprises that PC, ABS, light stablizes antiseptic-germicide, UV light absorber, nano-filled dose and other additives, according to weight part, the weight part of above-mentioned composition is respectively: ABS be 10-25%, PC be 30-50%, light stablize antiseptic-germicide be 0.5-5%, UV light absorber be 0.5-5%, nano-filled dose for 15-45%, other additives be 1-5%.
Further, described ABS is high viscosity ABS, butadiene content lower than 10%, density is about 1.04 ~ 1.06 g/cm
3.
Further, described PC is the PC that LG-DOW is produced, and density is 1.18-1.20g/cm
3, its molecular weight is 40000-80000.
Further, it is nano titanium oxide (TiO2) that described light is stablized antiseptic-germicide, and size is 50-500nm.
Further, described UV light absorber is that one or more in benzophenone, salicylic acid, benzo three nitrogen classes combine.
Further, described nano-filled dose for one or more in light calcium carbonate, hard calcium carbonate, nano-calcium carbonate, polynite, Attapulgite combine, size is between 100 nm-10um.
Further, other described additive-package are containing oxidation inhibitor, compatilizer; Antioxidant content is 1-2.5%, for one or more in antioxidant 1010, irgasfos 168, antioxidant 264 combine; Compatibilizer content is 1-2.5%, is ABS-g-MAH.
The preparation method of the ageing-resistant antibacterial PC/ABS blend alloy of the present invention: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber, nano-filled dose and other additives fully dry in convection oven, the homogenizer turning by 1000-5000 stirs; Then raw material is extruded in the single screw extrusion machine of specified temp, granulation, dry, can obtain PC/ABS alloy particle.
Further, the rotating speed of described single screw extrusion machine be controlled between 200-240 DEG C in 150-250rpm, each district temperature, driving power between 80-200kw, screw diameter is between 50-100mm.
Thereby the present invention stablizes antiseptic-germicide and UV light absorber and realizes weather resistance and the germ resistance of alloy by add light in ABS, PC alloy; The present invention simultaneously also adds the nano-mixture of large filling content, improves mechanical property, the reduction material preparation cost of matrix material.The ageing-resistant antibacterial PC/ABS blend alloy material of the present invention, the problems such as existing poor durability, added value be low are solved, there is the advantages such as weather resistance is good, germ resistance is good, and additive therefor low price, alloy material cost is comparatively cheap, provide a kind of price comparatively cheap ageing-resistant antibacterial PC/ABS blend alloy material, effectively improved the added value of ABS/PC alloy; Material can be used on the products such as automotive trim, electronic apparatus, mechanical means, household goods, has good social value and experience and is worth.
figure of description
Fig. 1 is test data comparison diagram in each embodiment.
Embodiment
Below in conjunction with specific embodiment, invention is further illustrated, but the protection domain of invention is not limited to this.
Embodiment 1:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 5% to high viscosity ABS, and density is 1.04 g/cm
3) be 12%;
(density is 1.18 g/cm to PC
3, molecular weight is 40000) and be 40%;
It is 3% that light is stablized antiseptic-germicide nano titanium oxide (50nm);
UV light absorber benzophenone is 2%;
Light calcium carbonate (particle diameter is 1um) is 40%;
Antioxidant 1010 is 1%;
Compatilizer ABS-g-MAH is 2%.
The preparation method of ageing-resistant antibacterial PC/ABS blend alloy is: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber, nano-filled dose and other additives fully dry in 80 DEG C of convection oven, stir by 1000 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 150rpm, each district temperature are controlled at 200 DEG C of left and right, driving power is that 80kw left and right, screw diameter are 50mm), granulation, dryly can be obtained PC/ABS alloy particle.
Embodiment 2:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 6% to high viscosity ABS, and density is 1.05 g/cm
3) be 20%;
(density is 1.19 g/cm to PC
3, molecular weight is 50000) and be 30%;
It is 4% that light is stablized antiseptic-germicide nano titanium oxide (100nm);
UV light absorber salicylic acid is 4%;
Hard calcium carbonate (particle diameter is 10um) is 40%;
Irgasfos 168 is 1%;
Compatilizer ABS-g-MAH is 1%.
The preparation method of ageing-resistant antibacterial PC/ABS blend alloy is: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber, nano-filled dose and other additives fully dry in 80 DEG C of convection oven, stir by 2000 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 180rpm, each district temperature are controlled at 210 DEG C of left and right, driving power is that 100kw left and right, screw diameter are 80mm), granulation, dryly can be obtained PC/ABS alloy particle.
Embodiment 3:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 7% to high viscosity ABS, and density is 1.06 g/cm
3) be 25%;
(density is 1.20 g/cm to PC
3, molecular weight is 60000) and be 50%;
It is 3% that light is stablized antiseptic-germicide nano titanium oxide (200nm);
UV light absorber benzo three nitrogen classes are 4%;
Nano-calcium carbonate (particle diameter is 100nm) is 15%;
Antioxidant 264 is 1%;
Compatilizer ABS-g-MAH is 2%.
The preparation method of ageing-resistant antibacterial PC/ABS blend alloy is: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber, nano-filled dose and other additives fully dry in 80 DEG C of convection oven, stir by 3000 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 200rpm, each district temperature are controlled at 220 DEG C of left and right, driving power is that 150kw left and right, screw diameter are 100mm), granulation, dryly can be obtained PC/ABS alloy particle.
Comparative example 1:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 8% to high viscosity ABS, and density is 1.04 g/cm
3) be 10%;
(density is 1.18g/cm to PC
3, molecular weight is 70000) and be 35%;
UV light absorber benzophenone and salicylic acid mixture (mass ratio 1:1) are 5%;
Polynite (particle diameter 5um) is 45%;
Irgasfos 168 is 2.5%;
Compatilizer ABS-g-MAH is 2.5%.
The preparation method of alloy: by fully dry in high viscosity ABS, Tao Shi PC, UV light absorber, nano-filled dose and other additives are in 80 DEG C of convection oven, stir by 4000 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 250rpm, each district temperature are controlled at 230 DEG C of left and right, driving power is that 200kw left and right, screw diameter are 90mm), granulation, dryly can be obtained PC/ABS alloy particle.
Comparative example 2:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 9% to high viscosity ABS, and density is 1.05 g/cm
3) be 18%;
(density is 1.19 g/cm to PC
3, molecular weight is 80000) and be 37%;
Nano titanium oxide (300nm) is 5%;
Attapulgite (particle diameter 8um) is 37%;
Antioxidant 1010 and antioxidant 264 mixture (mass ratio 1:1) are 2%;
Compatilizer ABS-g-MAH is 1%.
The preparation method of alloy: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, nano-filled dose and other additives fully dry in 80 DEG C of convection oven, stir by 5000 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 220rpm, each district temperature are controlled at 215 DEG C of left and right, driving power is that 180kw left and right, screw diameter are 75mm), granulation, dryly can be obtained PC/ABS alloy particle.
Comparative example 3:
A kind of ageing-resistant antibacterial PC/ABS blend alloy and preparation method thereof, its formula is by weight forming:
(butadiene content is 7.5% to high viscosity ABS, and density is 1.06g/cm
3) be 40%;
PC (density is 1.20 g/cm3, and molecular weight is 75000) is 50%;
Nano titanium oxide (180nm) is 4%;
Benzophenone is 3.5%;
Antioxidant 264 is 1%;
ABS-g-MAH is 1.5%.
The preparation method of alloy: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber and other additives fully dry in 80 DEG C of convection oven, stir by 2500 homogenizers that turn; Then raw material is extruded in the single screw extrusion machine of specified temp (rotating speed 235rpm, each district temperature are controlled at 235 DEG C of left and right, driving power is that 125kw left and right, screw diameter are 65mm), granulation, dryly can be obtained PC/ABS alloy particle.
The ageing-resistant antibacterial PC/ABS blend alloy raw material of one of above-described embodiment formula uses injection moulding machine to be injection molded into standard batten after being fully dried, and carries out mechanical property, the performance test such as ageing-resistant, antibacterial, and detailed performance is shown in Fig. 1.
Claims (9)
1. ageing-resistant antibacterial PC/ABS blend alloy, it is characterized in that: its component comprises that PC, ABS, light stablizes antiseptic-germicide, UV light absorber, nano-filled dose and other additives, according to weight part, the weight part of above-mentioned composition is respectively: ABS be 10-25%, PC be 30-50%, light stablize antiseptic-germicide be 0.5-5%, UV light absorber be 0.5-5%, nano-filled dose for 15-45%, other additives be 1-5%.
2. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, is characterized in that: described ABS is high viscosity ABS, butadiene content lower than 10%, density is 1.04 ~ 1.06 g/cm
3.
3. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, is characterized in that: described PC is the PC that LG-DOW is produced, and density is 1.18-1.20g/cm
3, its molecular weight is 40000-80000.
4. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, is characterized in that: it is nano titanium oxide (TiO that described light is stablized antiseptic-germicide
2), size is 50-500nm.
5. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, is characterized in that: described UV light absorber is that one or more in benzophenone, salicylic acid, benzo three nitrogen classes combine.
6. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, it is characterized in that: described nano-filled dose for one or more in light calcium carbonate, hard calcium carbonate, nano-calcium carbonate, polynite, Attapulgite combine, size is between 100 nm-10um.
7. ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, is characterized in that: other described additive-package are containing oxidation inhibitor, compatilizer; Antioxidant content is 1-2.5%, for one or more in antioxidant 1010, irgasfos 168, antioxidant 264 combine; Compatibilizer content is 1-2.5%, is ABS-g-MAH.
8. the preparation method of ageing-resistant antibacterial PC/ABS blend alloy according to claim 1, it is characterized in that, comprise following preparation process: high viscosity ABS, Tao Shi PC, light are stablized to antiseptic-germicide, UV light absorber, nano-filled dose and other additives fully dry in convection oven, the homogenizer turning by 1000-5000 stirs; Then raw material is extruded in the single screw extrusion machine of specified temp, granulation, dry, can obtain PC/ABS alloy particle.
9. the preparation method of ageing-resistant antibacterial PC/ABS blend alloy according to claim 8, is characterized in that: the rotating speed of single screw extrusion machine is controlled between 200-240 DEG C in 150-250rpm, each district temperature, driving power between 80-200kw, screw diameter is between 50-100mm.
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| CN106167594A (en) * | 2016-08-18 | 2016-11-30 | 东莞市宇豪塑胶科技有限公司 | Special antibiotic plastic of white domestic appliances and preparation method thereof |
| CN106243670A (en) * | 2016-08-18 | 2016-12-21 | 刘世超 | Antibacterial pc/abs alloy material |
| CN106317831A (en) * | 2016-09-29 | 2017-01-11 | 芜湖豫新世通汽车空调有限公司 | Attapulgite modification based air blower shell of automotive air conditioner and preparation method of air blower shell |
| CN106317833A (en) * | 2016-09-29 | 2017-01-11 | 芜湖豫新世通汽车空调有限公司 | Expanded vermiculite modification based air blower shell of automotive air conditioner and preparation method of air blower shell |
| CN106380811A (en) * | 2016-09-29 | 2017-02-08 | 芜湖豫新世通汽车空调有限公司 | Automobile air-conditioner air blowing shell based on kaolin improvement and preparation method thereof |
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| CN109161153A (en) * | 2018-08-09 | 2019-01-08 | 何挺 | antibacterial PC/ABS alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106167594A (en) * | 2016-08-18 | 2016-11-30 | 东莞市宇豪塑胶科技有限公司 | Special antibiotic plastic of white domestic appliances and preparation method thereof |
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| CN106317833A (en) * | 2016-09-29 | 2017-01-11 | 芜湖豫新世通汽车空调有限公司 | Expanded vermiculite modification based air blower shell of automotive air conditioner and preparation method of air blower shell |
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| CN109161153A (en) * | 2018-08-09 | 2019-01-08 | 何挺 | antibacterial PC/ABS alloy |
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Denomination of invention: Aging resistant antibacterial PC/ABS blend alloy and preparation method thereof Effective date of registration: 20180806 Granted publication date: 20160817 Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch Pledgor: Starway International Home-Living Co., Ltd. Registration number: 2018330000214 |
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Address after: 318020 No. 97 Shiyuan Road, Nancheng, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Starway International Home Co., Ltd. Address before: 318020 No. 97 Shiyuan Road, Nancheng, Huangyan District, Taizhou City, Zhejiang Province Patentee before: Starway International Home-Living Co., Ltd. |