Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1992-08-25
1993-10-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
44418, 252 47, 524606, 528310, 528328, 528343, 528345, 528353, C08G 6926
Patent
active
052546691
ABSTRACT:
The present invention relates to a process for the manufacture of a crosslinked polymer, wherein a crosslinking reaction is carried out between an organic crosslinking agent which is a polyacid or a derivative of a polyacid, and a long chain alkylpolyamine having at least two amine functional groups which may be primary and/or secondary and which is not a succinimide. The long chain alkylpolyamine can be obtained by a method comprising reacting a corresponding long chain alkylcarbonyl compound with an amine. The long chain carbonyl compound is for example prepared by ozonolysis of a polyolefin which can be a polybutene. The obtained crosslinked polymer can be used as an additive in lubricant compositions.
REFERENCES:
patent: 2682524 (1954-06-01), Coffman
patent: 3374174 (1968-03-01), Le Suer
patent: 4975499 (1990-12-01), Bachem et al.
U.S. Pat. No. 4,927,562 (abstract only).
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U.S. Pat. No. 4,548,724 (abstract only).
U.S. Pat. No. 3,287,271 (abstract only).
U.S. Pat. No. 4,803,003 (abstract only).
Anderson Harold D.
BP Chemicals Limited
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