第1个回答 2011-10-08
三元乙丙橡胶属于非结晶性橡胶,若不加补强剂,则硫化胶的物理机械性能低,没有使用价值。
Three EPDM belongs to non crystalline rubber reinforcing agent, if not, then the mechanical properties of vulcanizates low, of no use value.
在应用不同的填充、补强剂,其活性、结构对硫化胶的性能影响大,又以加工性能上考虑,应用白炭黑,氧化镁,其具有加工性能好、硫化胶强度高、耐热性能好的特点,有助于硫化胶在性能上稳定提高,也可降低生热;而碳酸钙作为填充剂在不影响性能的情况下可降低成本。
In the application of different filling, reinforcing agent, its activity, structure on the properties of the vulcanizate effects, and to consider the application processing performance, silica, magnesium oxide, which has good processing performance, high strength, heat resistance of vulcanized rubber of good performance characteristics, contribute to the performance improvement of vulcanized rubber stable, can also reduce heat; and calcium carbonate as a bulking agent without affecting the properties of the case may reduce the cost of.
本次实验研究了不同成分的碳酸钙以及氧化镁对三元乙丙橡胶的硬度以及耐热性能的影响,结果表明:随着氧化镁含量的增加,胶料的拉伸强度显著提高,伸长率降低,胶料的永久变形逐渐降低。
The experimental research of the different components of calcium carbonate and magnesium oxide on three yuan of ethylene-propylene rubber hardness and heat resistance performance, the results showed that: with the increase of the content of magnesium oxide, tensile strength, elongation is reduced, glue permanent deformation decreased gradually.
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第2个回答 2011-10-08
Three EPDM belongs to non crystalline rubber reinforcing agent, if not, then the mechanical properties of vulcanizates low, of no use value. In the application of different filling, reinforcing agent, its activity, structure on the properties of the vulcanizate effects, and to consider the application processing performance, silica, magnesium oxide, which has good processing performance, high strength, heat resistance of vulcanized rubber of good performance characteristics, contribute to the performance improvement of vulcanized rubber stable, can also reduce heat; and calcium carbonate as a bulking agent without affecting the properties of the case may reduce the cost of. The experimental research of the different components of calcium carbonate and magnesium oxide on three yuan of ethylene-propylene rubber hardness and heat resistance performance, the results showed that: with the increase of the content of magnesium oxide, tensile strength, elongation is reduced, glue permanent deformation decreased gradually.