又称半硫化。即先将橡胶制品硫化定型，然后再二次硫化完成硫化全过程。例如硅橡胶及氟橡胶的硫化，就分两段进行。再如轮胎等厚制品在硫化前用高频预热也可以说是预硫化。
vt. precure
misc. prevulcanization
... presulfidingofcatalyst催化剂预硫化 presulfurization预硫化 presumable可假定的 ...
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文章摘要信息 关键词 ： 苯加氢 催化剂 预硫化 [gap=622]Keywords : Hydrorefining Catalyst Pre-sulfuration
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In this thesis, the novel methanol-solubilized catalysts were prepared by dissolving the catalyst precursors in methanol and presulfurization. The catalytic activity of the methanol-solubilized catalysts was studied in Coal/Oil co-hydroprocessing.
本论文将催化剂前体溶于甲醇中,分散于重油并预硫化,制备了纳米级醇溶性分散型催化剂,考察了该催化剂对重油-煤加氢共炼的催化效果。
参考来源 - 醇溶性分散型催化剂用于重油—煤加氢共炼的研究The results indicated that this technology is feasible and the activity of ex-situ presulfidation catalyst using batch reactor is better than that of the in-situ process.
实验结果表明,加氢催化剂间歇釜器外预硫化是可行的,效果优于器内预硫化。
参考来源 - 以H·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍辐射预硫化在子午线轮胎生产中的应用。
The application of radiation prevulcanization in radial tire production was introduced.
为获得理想的预硫化效果，必须严格控制各阶段的反应条件。
In order to obtain the ideal presulfiding effect, the conditions of various stages should be controled strictly.
研究了新型固体硫化剂硫代硫酸铵对加氢脱硫催化剂的预硫化。
Ammonium thiosulfate as a novel sulfiding agent was used for desulfidation of hydrodesulfurization ( HDS) catalysts.
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