Hydrocarbon-terminated polyether-polyamide block copolymers and uses thereof
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United States of America Patent
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Jun 29, 2010
Grant Date -
Jul 28, 2005
app pub date -
Mar 21, 2005
filing date -
Jan 24, 2001
priority date (Note) -
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Abstract
A composition comprising (a) a resin composition comprising a block copolymer of the formula hydrocarbon-polyether-polyamide-polyether-hydrocarbon; and (b) a polar liquid. The block copolymer may be prepared by a process comprising reacting together reactants comprising dimer acid, diamine, and a polyether having termination at one end selected from amine, hydroxyl and carboxyl, and termination at another end selected from hydrocarbons. The polar liquid may be one or more of an aromatic liquid, a polar aprotic liquid, a ketone-containing liquid, an ester-containing liquid, an ether-containing liquid, an amide-containing liquid and a sulfoxide-containing liquid. The composition may be a gel at room temperature.
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