发明授权
- 专利标题: Video disc lubricants
- 专利标题(中): 视盘润滑油
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申请号: US65064申请日: 1979-08-09
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公开(公告)号: US4342659A公开(公告)日: 1982-08-03
- 发明人: Chih C. Wang , Lincoln Ekstrom , Thomas C. Lausman , Henry Wielicki
- 申请人: Chih C. Wang , Lincoln Ekstrom , Thomas C. Lausman , Henry Wielicki
- 申请人地址: NY New York
- 专利权人: RCA Corporation
- 当前专利权人: RCA Corporation
- 当前专利权人地址: NY New York
- 主分类号: C07F7/20
- IPC分类号: C07F7/20 ; G11B23/50 ; C07F7/08
摘要:
Molecular distillation of methyl alkyl siloxanes of the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl groups of 4-20 carbon atoms and m and p are integers to produce a distillate having a molecular weight fraction wherein the sum of m and p is about 4, produces an improved lubricant for the video disc, a lubricant that is stable to long term storage and to wide variations in temperature and relative humidity.
公开/授权文献
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