Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
US-2025297185-A1 · Sep 25, 2025 · US
US9714214B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9714214-B2 |
| Application number | US-201414191927-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 27, 2014 |
| Priority date | Mar 14, 2013 |
| Publication date | Jul 25, 2017 |
| Grant date | Jul 25, 2017 |
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A compound has Structure I: where R 1 and R 2 independently are C 2 -C 12 alkyl groups, R 3 and R 3 ′ independently are H or CH 3 , X 1 is a C 4 -C 28 alkyl or alkenyl group, and R 4 is H or a N,N-bis((meth)acryloylalkyl)-amide group having Structure II: where R 5 and R 6 independently are C 2 -C 12 alkyl groups, and R 3 ″ and R 3 ′″ independently are either H or CH 3 .
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What is claimed is: 1. A compound having Structure I: wherein R 1 and R 2 independently are C 2 -C 12 alkyl groups, R 3 and R 3 ′ independently are H or CH 3 , X 1 is a C 10 -C 16 alkenyl group, and R 4 is a N,N-bis((meth)acryloylalkyl)-amide group having Structure II: wherein R 5 and R 6 independently are C 2 -C 12 alkyl groups, and R 3 ″ and R 3 ′″ independently are either H or CH 3 . 2. The compound of claim 1 , wherein R 1 , R 2 , R 5 and R 6 independently are C 2 -C 6 alkyl groups. 3. A compound having Structure IV: wherein X 3 is a C 10 -C 16 alkenyl group.
Methyl esters {, e.g. methyl (meth)acrylate} · CPC title
from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines · CPC title
with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom · CPC title
having the carbon atom of the carboxamide group bound to a carbon atom of an acyclic unsaturated carbon skeleton · CPC title
by formation of carboxamide groups together with reactions not involving the carboxamide groups · CPC title
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