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Perfection of technology and standards With the rise of the antibacterial industry in the world, the research and development of plastic antibacterial agents in various companies is in full swing. The United States Millin Chemical Company has invested in the construction of a microbiology laboratory in Europe to improve its technical services to customers. The company said that this is to promote the continuous development of its antimicrobial technology and market acceptance. The laboratory provides consulting services under the conditions of existing plastics and textile processing equipment. The company said that the indoor support infrastructure for the new microbiology lab was designed specifically for European customers. The laboratory has standard microbiological equipment, including inoculation and colony counting facilities, sterilizers, biosafety boxes, bacteria incubators and microscopes.
In addition, Japan, the United States, Europe, China and other countries have established their own antibacterial standards system. However, due to the different standards in different countries, product testing methods and applicable standards required by customers in different countries are inconsistent. This has caused manufacturers to be incomprehensible, and to a certain extent has also affected the international trade of antimicrobial products. The two ISO international antibacterial standards released last year were formulated to meet the needs of this new situation.
A large number of organic antibacterial agents are on the market Many chemicals have the ability to resist microbial destruction but are rarely suitable for plastics. Antimicrobial agents added to plastics not only need to meet low cost requirements, but also have excellent compatibility and can maintain high thermal stability during processing. In addition, the antibacterial agent must also be able to migrate to the plastic surface and stop the growth of microorganisms. Among them, organic antibacterial agents are widely used.
Toloy introduced a large number of plastic antibacterial agents under the trade name Micropel to the market. Among them, 10,10'-oxy diphenoxycarbazone is a broad-spectrum antibacterial agent that is extremely effective against fungi, pink-colored organisms, bacteria, and algae. It is widely used in the soft polyvinyl chloride and polyurethane industries. 3-Iodopropynyl butyl carbamate is widely used in a variety of industrial and personal care plastic products, and the company is currently modifying this product to meet the needs of polyvinyl chloride, polyolefins and rubber. The thermal stability requirements of the polymer during processing. Chloro-octyl isothiazolinone can fully meet the thermal stability requirements of soft polyvinyl chloride processing, and it can well control the growth of fungi.
The Micro-Chek antibacterial agent manufactured by Filipino is a low-toxic anti-mildew agent for PVC, polyurethane and other polymers. It is specially designed for outdoor applications and can be used for roof diaphragms, doors and windows. Canopy and car accessories. The antibacterial agent has been certified by the United States Environmental Protection Agency (EPA) and Health Canada's Department of Pest Management (PMRA).
Ecco Chemicals has developed Intercide series of antibacterial agents for polyvinyl chloride, which contains active antibacterial components in phthalate plasticizers, epoxy resin stabilizers or solid copolymers. .
Polymer Chemical Alloys has developed PolySept antibacterial agents that provide long-lasting antibacterial properties to plastics. This product masterbatch usually contains 10% to 50% of the antibacterial agent, can be directly mixed with polyethylene, polypropylene, polystyrene, ABS, polyamide, polyester and polycarbonate processing.
Silver-based antibacterial agent unique silver non-toxic, corrosion-resistant, non-combustible, and does not cause bacteria to produce resistance, its stable chemical properties and high antibacterial efficiency make silver become a plastic antibacterial agent for food processing and medical equipment industry The first choice. Silver-based antibacterial agents are mainly antibacterial through ion exchange, silver releases silver ions at a slow rate, and silver ions react at the surface of the microorganisms with the bonding sites, thereby organizing microbial reproduction.
The silver-based antibacterial agent developed by Aijin Technology Co., Ltd. has a broad-spectrum antibacterial effect. The company is a mouse keyboard antibacterial agent produced by Logitech, which has obvious antibacterial effect and can provide long-term antibacterial protection by releasing silver ions. The keyboard and mouse containing this antibacterial agent can self-clean the surface, destroy existing and new bacteria, and this antibacterial effect will accompany the entire product life cycle. The U.S. Environmental Protection Agency has proven that the antibacterial agent developed by Aijin Technology Co., Ltd. is safe to contact with food and water. The U.S. Food and Drug Administration has included products that can be in direct contact with food.
Sanitized AG has developed a new silver-based antibacterial active ingredient with glass-ceramics as the carrier. This silver-based antibacterial active ingredient is twice as efficient as its product efficiency. The active ingredient can be directly incorporated into a plastic material. When the environment is conducive to the growth of microorganisms, the glass-ceramics carrier excites silver ions, and the active ingredient based on the natural silver-containing antimicrobial agent can withstand a processing temperature of up to 350°C. In addition, the glass-ceramic glass carrier is transparent and therefore has little or no effect on the optical properties of the transparent plastic.
Global Plastic Antimicrobial R&D is in full swing
Not long ago, the International Organization for Standardization formally issued the “ISO 22196:2007 Evaluation Method for Surface Antibacterial Properties of Plastic Products†and “ISO 20743:2007 Determination of Antibacterial Properties of Antibacterial Finished Textilesâ€, which marked the completion of the preliminary construction of the international antibacterial standardization system. At present, the antibacterial industry has become a new industry in the world. The continuous introduction of new organic antibacterial agents and silver-based antibacterial agents has made this market extremely active.