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The development history of polymer materials under plastic injection PEEK
Release Time:2016-1-24 14:43:55
There are two important aspects of polymer research, one is "Polymer Science" research. It is the side of the academic research of polymer, which reflects the academic significance of polymer research, deepens the understanding of polymer and promotes the innovation and development of polymer materials. The second is "material research, it is the side of polymer applications, reflects the high important application value in the development of human society, it is also the" Polymer Science "reflects the value of research and development of" Polymer Science "and the source of power.
Although the concept of "Polymer Science" came into being later, the appearance and development of "polymer materials" almost accompanied the whole history of human civilization. The use of polymer materials can be summarized into the following four stages:
The first stage (time is about 7 thousand years ago to the mid nineteenth Century), is the passive use of natural polymer material stage. Polymer materials in this period, Chinese lacquer and its products, and silk fabrics, linen, cotton, wool, sheepskin, paper, oil etc..
PEEK particles _PEEK manufacturers manufacturer of _PEEK plastic injection _ plus carbon fiber PEEK_ pure PEEK_ resin Lichang technology PEEK
The second stage (from nineteenth Century to 1920s), is a natural polymer material for chemical modification, thus developing new material stage. In this stage, the first synthetic polymer material (phenolic resin) was developed. During this period, polymer materials, vulcanized rubber, celluloid (nitro cellulose ester), nitro cellulose ester, cellulose viscose rayon, silk, phenolic resin varnish and bakelite etc..
PEEK particles _PEEK manufacturers manufacturer of _PEEK plastic injection _ plus carbon fiber PEEK_ pure PEEK_ resin Lichang technology PEEK
The third stage (from 1930s to 60s), is a large number of research and development of new synthetic polymer materials. At this stage, the concept of "Polymer Science" has been born, a large number of high polymer chemists into the synthesis of new polymers and the development of new materials in the field of research. This has led to the birth of a large number of common polymer materials which are still important today. For example, there were, SBR, duenner synthetic rubber; nylon 66 and polyester (PET), polyacrylonitrile; polyvinyl chloride, polyethylene, polypropylene, appearance of polystyrene, polycarbonate, polyimide, organic silicon, organic fluorine, heterocyclic polymer resin and plastics etc..
PEEK particles _PEEK manufacturers manufacturer of _PEEK plastic injection _ plus carbon fiber PEEK_ pure PEEK_ resin Lichang technology PEEK
The fourth stage (from 1960s to the present), is a great time for the popularization and expansion of polymer materials. At this stage, the human use of the polymer polymer production is more reasonable and more affordable, so that the polymer material penetrated into the national economy and all aspects of human life, the polymer materials become human society after the third metal materials, inorganic materials after.
PEEK particles _PEEK manufacturers manufacturer of _PEEK plastic injection _ plus carbon fiber PEEK_ pure PEEK_ resin Lichang technology PEEK
Our country in the history of human civilization, pioneered the use of natural polymer materials (lacquer, silk, linen, cotton, paper, etc., but of tung oil) and use of modern polymer materials behind Europe and the United States, until 1950s to catch up. At present, China is one of the world's largest producer and consumer of polymer materials. Have international influence in China in the field of synthetic polymeric materials of the work: three yuan of polybutadiene rubber and synthesis of rare earth catalytic synthesis of butadiene rubber, isoprene rubber, isoprene rubber of Eucommia rubber and trans poly, lacquer paint and phenolphthalein corrosion resistant coatings research.
PEEK particles _PEEK manufacturers manufacturer of _PEEK plastic injection _ plus carbon fiber PEEK_ pure PEEK_ resin Lichang technology PEEK
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