低压聚合
低压聚合-
以ICF实验塑料靶丸保气的需求为背景，研究了水蒸气在低压等离子体聚合碳氢（CH）膜、聚乙烯醇（PVA）膜、聚苯乙烯（PS）膜中的扩散渗透行为。
Considering gases retention in plastic microsphere in ICF experiment , the diffusion and permeation behavior of water vapor in hydrocarbon ( CH ) film , polyvinyl alcohol ( PVA ) film and polystyrene ( PS ) film at 40 ℃ 90 % relative humidity was studied in this paper .
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自1953年在低压下使乙烯聚合生成HDPE，迄今已有50多年，高密度聚乙烯的开发生产突飞猛进，技术进展突出表现在催化剂开发的进展、生产工艺技术的进展。
It has been over 50 years since polymerization of high density polyethylene took place at low pressure in 1953 , the development of HDPE technology is rapid , mainly it focus on catalyst development and process technology development .