경량 콘크리트 첨가제 | 기포 콘크리트용 고성능 발포제
PTFE, famously referred to as Teflon, was not a planned exploration. ~ 안에 1938, DuPont came across this exceptional material fairly by accident, sparking a transformation in products science and industrial applications.
One morning in 1938, Roy Plunkett, a young chemist, was busy having fun with his experiments in a corner of DuPont. His task seemed basic: discover a new cooling agent.
그래도 여전히, simply when Roy assumed it was just a regular task, points took a turn. He saved the tetrafluoroethylene gas in a cyndrical tube and claimed to himself: “좋아요, see you tomorrow.” The next day, when he returned to proceed his experiment, he discovered that the gas had strangely gone away, leaving only a stack of white powder. 잘, this was absolutely different from the script he prepared. Envision his expression at that time: half baffled, half curious. Upon further examination, he discovered that this unusual white powder had some amazing superpowers: it was unfriendly to almost all chemicals, might stay amazing at extreme temperatures, and was as unsafe as oil. All of a sudden, Luo understood that while he had yet to discover a brand-new refrigerant, he had unintentionally discovered the secret active ingredient of the kitchen superhero of the future – non-stick frying pans. 이후, frying eggs was no more an obstacle, and cleansing pots came to be a breeze.
Although the exploration of PTFE was unintended, it had massive advanced value for the plastics industry and several various other fields, 항공우주와 같은, automobiles, 전자 기기, and appliances. PTFE is extensively used as a result of its special chemical and physical residential or commercial properties – incredibly low friction coefficient, high-temperature resistance, chemical security, and non-stickiness. From kitchen area utensils to integral parts of the space shuttle, PTFE made many ingenious applications possible. However while PTFE (Teflon ®) noted an innovative advancement in materials science, it was just the start of a lengthy and difficult road to commercialization and widespread application. The preliminary difficulty was not just to discover a brand-new product however also to determine how to attain large-scale manufacturing and how to apply it in different fields.
The procedures of monomer synthesis and controlled polymerization of PTFE were not fully established, making it tough to produce PTFE in huge quantities or a viable way. While the product’s one-of-a-kind residential or commercial properties were advantageous in the long run application, they additionally positioned considerable difficulties throughout the manufacturing process. Unlike various other normal plastics, PTFE is not soluble in solvents, 산, or bases and does not melt into a flowable fluid. 대신에, when heated, it comes to be a hard, clear gel that does not melt and moves like plastics.
To overcome these obstacles, scientists and designers had a hard time to discover processes from other areas, such as adapting strategies from metal and ceramic handling. To form PTFE, a process called paste extrusion was utilized, which was borrowed from ceramic processing. Although traditional molding and creating methods had some problem refining PTFE, it was possible to create PTFE components. 에 의해 1947, considerable research and trial and error had borne fruit, and a small production facility was established in Arlington, New Jersey. This noted the beginning of Teflon ®’s trip from the lab to the market. ~ 안에 1950, DuPont opened up a brand-new plant in Parkersburg, West Virginia, significantly increasing the business production of Teflon ®. That very same year, the innovation went across the Atlantic when Imperial Chemical Industries developed the initial PTFE plant outside the USA in the UK.
Supplier of PTFE Powder
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