摘要:
This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a hydroxylated compound having the formula A-ROH and a dialk-1-enyloxy carbonate having the formula ##STR1## wherein R is a polymeric radical selected from the group of polyester, polyacetal, polyurethane, polyether, and polycarbonate, said polymers containing from about 10 to 50 repeating monomer units;A' is a terminating moiety and is hydrogen, lower alkyl or hydroxy;R' is hydrogen or lower alkyl;B is a linear, branched or cyclic divalent radicalhaving from 2 to 12 carbon atoms and is selected from the group of alkylene, mono or poly alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, lower alkyl, cyano, nitro or alkoxy and m has a value of from 1 to 10. The products of this invention are defined by the formula: ##STR2## wherein A' is a terminating moiety and is hydrogen, lower alkyl or ##STR3##
摘要:
A method for converting 1,4 and 1,5 aliphatic saturated diols to lactones is disclosed wherein the diol is reacted with a chemical oxidizing agent and a ruthenium containing catalyst at temperatures substantially less than 200.degree. C. The reaction proceeds quickly and produces high yields of the desired product.
摘要:
The present invention relates to a two-stage liquid phase process wherein an alk-2-enyl glycidyl ether having the formula ##STR1## wherein R is hydrogen or lower alkyl; R' is C.sub.2 to C.sub.4 alkylene; n has a value of from 1 to 4 and n' has a value of from 0 to 4, is catalytically isomerized to the corresponding alk-1-enyl glycidyl ether in the first-stage of the reaction and the reaction mixture of the first-stage, containing the isomerization catalyst is then contacted with carbon dioxide in the presence of a phase transfer catalyst under a pressure ranging from atmospheric to about 400 psig in the second stage of the reaction.
摘要:
This invention realtes to a radiation curable cross linkable composition containing (a) from about 0.1 to about 5 wt. % of an initiator containing at least 25% cationic initiator, (b) from about 0 to about 60 wt. % of a polymerizable vinyl ether, expoxide, vinyloxy alkyl urethane or acrylate and (c) from about 35 to about 99.9 wt. % of a polyfunctional alkenyl ether having the formulaA[(CH.sub.2 O).sub.m (Z).sub.r CH.dbd.CHR].sub.nwherein A is a carbon atom, --OCH.dbd.CHR or [C.sub.1 to C.sub.10 alkyl].sub.4-n ; R is C.sub.1 to C.sub.6 alkyl; Z is C.sub.2 to C.sub.8 alkyleneoxy; r has a value of from 0 to 6; m has a value of from 0 to 1 and at least one of r and m has a positive value; n has a value of from 1 to 4, with the proviso that m is 0 and n is one when A is --OCH.dbd.CHR, n has a value of 2 or 3 when A is [C.sub.1 to C.sub.10 alkyl].sub.4-n and n has a value of 4 when A is carbon. The invention also relates to the process of curing said composition and to a cured film on a substrate coated with the above composition.
摘要:
This invention relates to the alk-1-enyl ether reaction product of a hydroxylated compound and an alk-1-enyloxy oxirane containing from 0 to 95% alkyl epoxide.
摘要:
This invention relates to coating compositions containing the alk-1-enyl ether reaction product of a hydroxylated compound, an alk-1-enyloxy oxirane and from 0 to 95% of an alkyl epoxide.
摘要:
The invention relates to alk-1-enyloxy carbamates selected from the group having the formulae ##STR1## wherein R is a saturated or unsaturated, monovalent or divalent hydrocarbon radical having from 1 to 50 carbon atoms and is optionally substituted with halo, alkyleneoxy, hydroxy, or a combination of said radicals; Y is --O-- or --OCO--O--; X is hydrogen or methyl; R' and R" are each independently hydrogen, alkyl, aryl, aralkyl or alkaryl; m has a value of from 2 to 6 and n has a value of from 0 to 25. The invention also relates to the use of these alk-1-enyloxy carbamates as reactive diluents in cationically induced radiation curing of epoxy, vinyl ether, urethane monomers or oligomers and others.
摘要:
This invention relates to a polypropenyl ether having the formula ##STR1## wherein m and s each independently have a value of from 1 to 6; R is alkyl or phenyl optionally substituted with lower alkyl or halogen; A is C.sub.2 to C.sub.12 alkylene or C.sub.6 to C.sub.22 aryl, both optionally substituted with lower alkyl, haloalkyl, halogen or phenyl.
摘要:
This invention relates to a radiation curable crosslinkable composition containing (a) from about 0.1 to about 5 wt. % of an initiator containing at least 25% cationic initiator, (b) from about 0 to about 60 wt. % of a polymerizable vinyl ether, epoxide, vinyloxy alkyl urethane or acrylate and (c) from about 35 to about 99.9% wt. % of a polyfunctional alkenyl ether having the formulaA[(CH.sub.2 O).sub.m (Z).sub.r CH.dbd.CHR].sub.nwherein A is a carbon atom, --OCH.dbd.CHR or [C.sub.1 to C.sub.10 alkyl].sub.4-n ; R is C.sub.1 to C.sub.6 alkyl; Z is C.sub.2 to C.sub.8 alkyleneoxy; r has a value of from 0 to 6; m has a value of from 0 to 1 and at least one of r and m has a positive value; n has a value of from 1 to 4, with the proviso that m is 0 and n is one when A is --OCH.dbd.CHR, n has a value of 2 or 3 when A is [C.sub.1 to C.sub.10 alkyl].sub.4-n and n has a value of 4 when A is carbon. The invention also relates to the process of curing said composition and to a cured film on a substrate coated with the above composition.