公开(公告)号：US3878115A

公开(公告)日：1975-04-15

申请号：US42369073

申请日：1973-12-11

Applicant: LABOFINA SA

Inventor： SOUILLARD GEORGE JULES ,  VAN GUAETHOVEN FREDERIC FRANCO

IPC: C10M165/00 ,  C10M129/04 ,  C10M135/10 ,  C10M143/06 ,  C10M169/00 ,  C10M169/04 ,  C10N10/04 ,  C10N30/04 ,  C10N30/06 ,  C10N30/12 ,  C10N40/25 ,  C10N60/02 ,  F02B3/06 ,  C10M1/40 ,  C10M1/18

CPC classification number: C10M1/08 ,  C10M2203/10 ,  C10M2203/102 ,  C10M2203/104 ,  C10M2203/106 ,  C10M2205/026 ,  C10M2207/028 ,  C10M2219/046 ,  C10N2220/02 ,  C10N2240/102 ,  C10N2240/103 ,  F02B3/06

Abstract: A lubricating composition for marine diesel engines comprising (1) 50 to 90 parts by weight of mineral base oil, (2) 50 to 10% parts by weight of a mixture of polymers selected from the group consisting of hydrogenated and non-hydrogenated polybutenes and polyisobutylenes, said mixture comprising a polymer having a Saybolt viscosity at 210*F of between 150 and 3,000 SSU and a polymer having a Saybolt viscosity at 210*F of between 40 and 100 SSU, and (3) a superbasic additive, said lubricating composition having an alkalinity index of between 60 and 70.

Abstract translation: 一种用于船用柴油发动机的润滑组合物，其包含（1）50至90重量份的矿物基础油，（2）50至10重量份的选自氢化和非氢化聚丁烯的聚合物的混合物和 聚异丁烯，所述混合物包含在210°F的Saybolt粘度为150至3,000SUU的聚合物和在210°F的Saybolt粘度为40至100SUU的聚合物，和（3）超碱性添加剂，所述润滑组合物 碱度指数在60至70之间。