C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 59/06 (2006.01) C09D 5/44 (2006.01) C09D 163/00 (2006.01)
Patent
CA 2114795
2114795 9304104 PCTABS00020 The invention relates to flexibilized advanced epoxy resins comprising the residue of A) one or more polyglycidyl ethers of a water or di- or trihydroxy substituted C1-6 hydrocarbon initiated polybutylene glycol; B) one or more polyaromatichydroxy compounds; and C) one or more polyglycidyl ethers of polyaromatichydroxy compounds; wherein substantially all of the glycidyl ether moieties of the polyglycidyl ethers of polybutylene glycol are bound to the polyaromatichydroxy compounds through the reaction product of the glycidyl ether moieties with the aromatichydroxy moieties; each polyaromatichydroxy compound is bound to at least one polyglycidyl ether of polybutylene glycol or to at least one polyglycidyl ethers of polyaromatichydroxy compounds through the reaction product of an aromatichydroxy moiety with a glycidyl ether moiety; most of the polyglycidyl ethers of polyaromatichydroxy compound are bound to at least one polyaromatichydroxy compound through the reaction product of glycidyl ether moiety and an aromatichydroxy moiety; each residue of a polyglycidyl ether of polyaromatichydroxy compound is bound to at least one polyaromatichydroxy compound through the reaction of a glycidyl ether moiety and an aromatichydroxy moiety; wherein the mole ratio of polyaromatichydroxy compounds to polyglycidyl ether of polybutylene glycol is at least about 2.0 to about 1.0; and sufficient polyglycidyl ethers of polyaromatichydroxy compounds are present in the resin such that the terminal moieties of the resin are glycidyl ether moieties from the polyglycidyl ethers of polyaromatichydroxy compounds.
Heck Henry G.
Rouw Aarnout C.
Smart & Biggar
The Dow Chemical Company
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