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模具塑料的主要组成成分

来源:    发布时间:2019-07-08 18:54:00    点击:

  模具塑料的主要成分是树脂,它首先从松脂乳液中分离出松香等树木分泌的脂质。后来人们发现热带昆虫的分泌物是由紫胶等树脂制成的。石油中也含有一些树脂,如沥青。这些都属于自然存在,其特点是没有明显的熔点,软化后逐渐加热,可溶于有机溶剂,且不溶于水。由于天然树脂的数量或质量不能满足现实的需要,因此,在实际生产中树脂都是合成树脂,合成树脂是人们根据天然树脂的分子结构和特点,合成制造的。因为它是由相对分子质量的小材料经聚合反应而成,而相对分子质量的材料,所以称为聚合物,简称聚合物。一般在常温和常压下为固体,也有浓液体。
  The main component of mold plastics is resin. It first separates the fat from pine gum and other trees from the rosin emulsion. Later, it was found that the secretions of tropical insects were made of resins such as lac. Petroleum also contains some resins, such as asphalt. These are all natural phenomena, which are characterized by no obvious melting point, gradually heating after softening, soluble in organic solvents, and insoluble in water. Because the quantity or quality of natural resins can not meet the needs of reality, resins are synthetic resins in actual production. Synthetic resins are synthesized according to the molecular structure and characteristics of natural resins. Because it is made of small materials with relative molecular weight through polymerization, and materials with relative molecular weight, it is called polymer, or polymer for short. Generally, it is solid at room temperature and pressure, and there are also dense liquids.
山东模具
  山东模具
  Shandong Mould
  有些紧密树脂可以直接用作模具塑料(如聚乙烯、聚苯乙烯、尼龙),但有些合成树必须在其中添加一些助剂才能用作模具塑料(如酚醛树脂、氨基树脂、聚氯乙烯)。
  Some compact resins can be directly used as mould plastics (e.g. polyethylene, polystyrene, nylon), but some synthetic trees must be added with some additives in order to be used as mould plastics (e.g. phenolic resin, amino resin, polyvinyl chloride).
  以上是山东模具制造商为大家整理的相关内容,想要了解更多内容,欢迎访问网站:http://www.jnhjgs.cn
  The above is the related content that Shandong mould manufacturer sorted out for you. For more information, please visit the website: http://www.jnhjgs.cn.
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