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济南模具厂:降低塑料件加工制品气息的办法

来源:    发布时间:2019-09-29 19:36:29    点击:

  塑料件加工制品会发散出令人不高兴的气息,为了克制这个问题以满足客户需求,塑料件的消费加工者长期以来都在努力于减少这些气息的发散等级本文针对目前塑料件加工厂消费中,济南模具厂针对降低气息的办法停止了一个扼要的总结:
  Plastic parts processing products will emit an unpleasant atmosphere. In order to restrain this problem to meet customer demand, plastic parts consumer processors have been trying to reduce these breath levels for a long time. In view of the current consumption of plastic parts processing plants, Jinan Mould Factory has stopped a brief summary of the ways to reduce the breath.
  1、改动添加剂
  1. Modification of additives
  聚氨酯泡沫消费过程中所用到的催化剂叔胺常常会带来很强的气息,同时还会在汽车内窗上结雾。处理这个问题的方法即是找到这些胺类的替代物。措施之一是运用多羟基化合物,多羟基化合物不只是聚氨酯分子链的成分,而且也同样具有催化活性。一些多羟基化合物以至能够取代一半的叔胺催化剂,这样得到的产品分发的气息就弱多了。
  The catalyst tertiary amine used in the consumption of polyurethane foam often brings a strong odor and fog on the inner windows of automobiles. The way to deal with this problem is to find substitutes for these amines. One of the measures is to use polyhydroxy compounds, which are not only the components of polyurethane molecular chains, but also have catalytic activity. Some polyhydroxyl compounds can even replace half of the tertiary amine catalysts, thus resulting in a much weaker distribution of the product.
济南模具
  在PVC挤出或者压延过程中运用的苯酚类稳定剂也经常被低气息的锌类稳定剂所替代。热稳定剂辛酸锡也因其低气息和低雾化特性而常用在车用PVC制品中。植物提取油如芥酸和油酸要比动物提取油制得的胺类光滑剂(用于聚烯烃和苯乙烯类食品包装资料)的气息小很多。
  Phenol stabilizers used in extrusion or calendering of PVC are often replaced by zinc stabilizers with low odor. Tin octanate, a heat stabilizer, is also commonly used in automotive PVC products due to its low odor and low atomization characteristics. Vegetable extracts, such as erucic acid and oleic acid, have much less odor than amine smoothing agents (used in food packaging materials such as polyolefins and styrenes) made from animal extracts.
  2、采用更为纯洁的树脂
  2. Use more pure resins
  许多塑料中,特别是在聚氯乙烯、苯乙烯、聚乙酸乙酯和丙烯酸酯等塑料中,残留的微量单领会产生难闻的气息。采用单体残留量很少的树脂即可消弭那些气息。
  In many plastics, especially in polyvinyl chloride, styrene, polyethyl acetate and acrylate, the residual trace single-digest produces an unpleasant odor. Those odors can be eliminated by using resins with few monomer residues.
  假如采用自身即无气息的树脂亦有很好的效果。例如,杜邦塑料件加工厂研制出一种新等级的乙缩醛共聚物,这种树脂在注射加工过程中释放的气息十分微量。
  If you use the resin itself, that is, breathless resin, it also has a good effect. For example, DuPont Plastic Parts Factory has developed a new grade of acetal copolymer, which releases very little odor during injection processing.
  3、参加吸附剂
  3. Participating adsorbents
  在聚合物中假如填充少量的沸石(一种铝硅酸盐吸附剂),即可起到去除资料气息的作用。沸石具有大量的结晶空泛,这些空泛能够捕捉那些具有气息的气体小分子。分子吸附剂曾经胜利应用于聚烯烃挤出管材、注射和挤出吹塑容器、隔离包装资料、挤出成型的外包装资料和密封用聚合物。分子吸附粉末也能够作为吸潮剂参加塑料中以除去水汽,这些水汽也会有助于塑料制品产生气息。
  If a small amount of zeolite (an aluminosilicate adsorbent) is filled in the polymer, it can remove the odor of the data. Zeolite has a large number of crystalline vacancies that capture small gaseous molecules with odor. Molecular adsorbents have been successfully used in polyolefin extrusion pipes, injection and extrusion blow-moulding containers, isolation packaging materials, extrusion packaging materials and sealing polymers. Molecular adsorbent powders can also be used as moisture absorbents in plastics to remove water vapor, which also contributes to the odor of plastic products.
  以上是济南模具厂为大家介绍的降低塑料件加工制品气息的办法,本文来源:http://www.jnhjgs.cnThe above is the way to reduce the odor of plastic parts processed by Jinan Mould Factory. The source of this paper is http://www.jnhjgs.cn.
 
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