分别建立核磁测定聚异丁烯活性端基含量以及其他烯键含量和近红外光谱快速测定聚异丁烯活性端基含量、其他烯键含量和相对分子质量的分析方法。
The methods of determining high active end group content and molecular weight of polyisobutene have been established by nuclear magnetic resonance and near infrared spectra respectively.
考察了聚异丁烯、氟化镧、三聚氰胺氰尿酸复合物（MCA）、硫代氨基甲酸盐对锂-钙基脂性能的影响。
The effects of polyisobutene , LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.
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