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Antibacterial PC composite material with imitation metal appearance
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A composite material and metal imitation technology, which is applied in the field of antibacterial PC composite materials with an imitation metal appearance, can solve problems such as inability to meet antibacterial requirements, and achieve great promotion value, good antibacterial performance, and improved antibacterial performance.
Active Publication Date: 2020-05-29
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a metal-like appearance antibacterial PC composite material to solve the problem that ordinary PC composite materials cannot meet the antibacterial requirements
Method used
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preparation example Construction
[0058] The preparation method of the antibacterial PC composite material with the above-mentioned imitation metal appearance comprises the following steps:
[0059] (1) Weigh 80-100 parts of PC, 2-4 parts of antibacterial agent, 6-8 parts of imitation metal appearance masterbatch, 0.1-0.5 parts of antioxidant, mix and stir evenly to obtain a mixture;
[0060] (2) Extruding and granulating the mixture obtained in step (1) from an extruder to obtain a PC composite material.
[0061] The step (2) specifically includes: putting the mixture obtained in the step (1) into the hopper of a twin-screw extruder to extrude and granulate to obtain a PC composite material, wherein the twin-screw extruder includes Six temperature zones arranged in sequence, the temperature of the first zone is 200-220°C, the temperature of the second zone is 250-270°C, the temperature of the third zone is 250-270°C, the temperature of the fourth zone is 250-270°C, the temperature of the fifth zone is 250-270...
Embodiment 1
[0063] (1) Weigh 80 parts of PC, 2 parts of antibacterial agent, 6 parts of imitation metal appearance masterbatch, 0.1 part of Irganox168 and mix and stir evenly to obtain a mixture;
[0064] (2) Extrude and granulate the mixture obtained in step (1) from an extruder to obtain PC composite material P1.
[0065] Among them, the temperature and screw speed of each zone of the twin-screw extruder are respectively: the temperature of the first zone is 200°C, the temperature of the second zone is 250°C, the temperature of the third zone is 250°C, the temperature of the fourth zone is 250°C, the temperature of the fifth zone is 250°C, and the temperature of the sixth zone is 250°C. The head temperature is 250°C, and the screw speed is 200r / min.
Embodiment 2
[0067] (1) Weigh 100 parts of PC, 4 parts of antibacterial agent, 8 parts of imitation metal appearance masterbatch, 0.1 part of Irganox168, 0.2 part of Irganox1010, 0.2 part of Irganox1330, mix and stir evenly to obtain a mixture;
[0068] (2) Extrude and granulate the mixture obtained in step (1) from an extruder to obtain PC composite material P2.
[0069] Among them, the temperature and screw speed of each zone of the twin-screw extruder are: the temperature of the first zone is 220°C, the temperature of the second zone is 270°C, the temperature of the third zone is 270°C, the temperature of the fourth zone is 270°C, the temperature of the fifth zone is 270°C, the temperature of the sixth zone is 270°C, The head temperature is 270°C, and the screw speed is 280r / min.
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Abstract
The invention relates to a metallic appearance simulated antibacterial PC (Polycarbonate) composite material which consists of the following components in parts by weight: 80-100 parts of PC, 2-4 parts of an antibacterial agent, 6-8 parts of metallic appearance simulated master batch and 0.1-0.5 part of an antioxidant, wherein the antibacterial agent is a titanium dioxide coated yttria based modified antibacterial agent. A completely novel antibacterial agent is synthesized, a yttria based antibacterial agent is coated and modified by titanium dioxide, and the antibacterial property of the PCcan be greatly improved while the PC is modified with the antibacterial agent; in addition, TiO2 coated modified metallic powder is synthesized, metallic appearance simulated master batch with good dispersibility is further synthesized, and the PC has a metallic texture on the surface when being modified with the master batch; a coating free material which has very good antibacterial properties can be prepared, so that the application range of the PC can be greatly widened, and great popularization values can be made.
Description
technical field [0001] The invention belongs to the technical field of polymer materials, in particular to an antibacterial PC composite material imitating metal appearance. Background technique [0002] PC is a widely used polymer polyester resin. PC has the advantages of good fatigue resistance and excellent dimensional stability, but its antibacterial performance is average. In some specific application fields, PC has antibacterial performance requirements, and requires a metal-like appearance and a spray-free effect. Ordinary PC composite materials cannot meet the requirements. [0003] In response to this situation, the applicant has innovatively produced a PC composite material, which has excellent antibacterial properties, can imitate the appearance of metal and has a spray-free effect. This material has not been reported so far, which is very useful for expanding the application of PC composite materials. important practical significance. Contents of the invention...
Claims
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Application Information
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