The effects of polyisobutene , LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.
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 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.
