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模具塑料的主要組成成分

刮刮乐2000 www.yfrmbf.com.cn 來源:    發布時間:2019-07-08 18:54:00    點擊:

  模具塑料的主要成分是樹脂,它首先從松脂乳液中分離出松香等樹木分泌的脂質。后來人們發現熱帶昆蟲的分泌物是由紫膠等樹脂制成的。石油中也含有一些樹脂,如瀝青。這些都屬于自然存在,其特點是沒有明顯的熔點,軟化后逐漸加熱,可溶于有機溶劑,且不溶于水。由于天然樹脂的數量或質量不能滿足現實的需要,因此,在實際生產中樹脂都是合成樹脂,合成樹脂是人們根據天然樹脂的分子結構和特點,合成制造的。因為它是由相對分子質量的小材料經聚合反應而成,而相對分子質量的材料,所以稱為聚合物,簡稱聚合物。一般在常溫和常壓下為固體,也有濃液體。
  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.
山東模具
  山東模具
  Shandong Mould
  有些緊密樹脂可以直接用作模具塑料(如聚乙烯、聚苯乙烯、尼龍),但有些合成樹必須在其中添加一些助劑才能用作模具塑料(如酚醛樹脂、氨基樹脂、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).
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  The above is the related content that Shandong mould manufacturer sorted out for you. For more information, please visit the website: //www.yfrmbf.com.cn.
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