Thus a study is devoted to the effects of phenol aldehyde resin, butadienenitrilerubber, air pore filling agent and technological conditions on the preformance of abrasive tools.
The artifactitious process and mechanical properties of nature rubber (NR) and nitrile-butadienerubber (NBR) using the fly-ash modified with sodium silicate as strengthening agent were studied.
以硅酸钠改性粉煤灰作为补强剂，研究了其补强天然橡胶(NR)、丁腈橡胶(nbr)的工艺及产品的性能。
3
The synthesis and properties of elastic unsaturated polyester were investigated and the use of the elastomer compounded with nitrilebutadienerubber was discussed.