A latex emulsion may include an aqueous carrier liquid and a latex copolymer formed from reactants comprising butyl methacrylate, wherein the reactants include at least 20 wt. % butyl methacrylate, based on the total weight of ethylenically unsaturated monomers used to make the latex copolymer. A coating formed from the latex emulsion exhibits a wet adhesion to a thermoplastic polyolefin roofing membrane of greater than about 1 pound per linear inch when tested using fabric embedded peel adhesion testing per ASTM C794. The latex emulsion may be used as part of an aqueous coating composition or a roofing system including a polymeric roofing membrane.

A latex emulsion may include an aqueous carrier liquid and a latex copolymer formed from reactants comprising butyl methacrylate, wherein the reactants include at least 20 wt. % butyl methacrylate, based on the total weight of ethylenically unsaturated monomers used to make the latex copolymer. A coating formed from the latex emulsion exhibits a wet adhesion to a thermoplastic polyolefin roofing membrane of greater than about 1 pound per linear inch when tested using fabric embedded peel adhesion testing per ASTM C794. The latex emulsion may be used as part of an aqueous coating composition or a roofing system including a polymeric roofing membrane.

The invention relates to a process for the manufacture of α,α-branched carboxylic acids vinyl esters comprising the following steps: isomerising and converting an olefin feed with CO and water under Koch reaction conditions to make an acid with a ratio of Non Blocking isomers (NB) versus Blocking isomers (B) of NB/B above 1.5, wherein a blocking isomer has always a tertiary carbon atom in alpha position of the carboxylic acid and in the beta position of the carboxylic acid, whereas a non-blocking isomer has primary carbon atoms in the beta position of the carboxylic acid converting the resulting acid into a vinyl ester.

The invention relates to a process for the manufacture of α,α-branched carboxylic acids vinyl esters comprising the following steps: isomerising and converting an olefin feed with CO and water under Koch reaction conditions to make an acid with a ratio of Non Blocking isomers (NB) versus Blocking isomers (B) of NB/B above 1.5, wherein a blocking isomer has always a tertiary carbon atom in alpha position of the carboxylic acid and in the beta position of the carboxylic acid, whereas a non-blocking isomer has primary carbon atoms in the beta position of the carboxylic acid converting the resulting acid into a vinyl ester.

The present invention is a copolymer containing, as essential structural units, unit A represented by Formula (1) and unit B represented by Formula (2):

##STR00001##

(wherein R.sup.1 and R.sup.4 each independently represent a hydrogen atom or a methyl group, and R.sup.2 and R.sup.3 each independently represent a hydrogen atom or a C1-20 hydrocarbon group, excluding cases where two or more groups of R.sup.1 to R.sup.3 are hydrogen atoms.)

##STR00002##

(wherein R.sup.5 represents a hydrogen atom or a methyl group, and R.sup.6 represents a group selected from the group consisting of C1-20 hydrocarbon groups optionally containing an oxygen atom, C1-20 alkoxy groups, hydrogen atoms, oxygen radicals and hydroxyl groups.)

The present invention is a copolymer containing, as essential structural units, unit A represented by Formula (1) and unit B represented by Formula (2):

##STR00001##

(wherein R.sup.1 and R.sup.4 each independently represent a hydrogen atom or a methyl group, and R.sup.2 and R.sup.3 each independently represent a hydrogen atom or a C1-20 hydrocarbon group, excluding cases where two or more groups of R.sup.1 to R.sup.3 are hydrogen atoms.)

##STR00002##

(wherein R.sup.5 represents a hydrogen atom or a methyl group, and R.sup.6 represents a group selected from the group consisting of C1-20 hydrocarbon groups optionally containing an oxygen atom, C1-20 alkoxy groups, hydrogen atoms, oxygen radicals and hydroxyl groups.)

A polymer composition may include a polymer produced from ethylene, and one or more vinyl carbonyl monomers having the general structure (I): ##STR00001##
where R.sup.1, R.sup.2 and R.sup.3 are independently selected from a group consisting of hydrogen, halogen, hydroxyl, alkyl, substituted alkyl, alkoxy, substituted alkoxy, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aralkyl, (heterocyclo)alkyl, (heteroaryl)alkyl, (amino)alkyl, (alkylamino)alkyl, (dialkylamino)alkyl, carboxamino(alkyl), (cyano)alkyl, alkoxyalkyl, hydroxyalkyl, heteroalkyl, substituted cycloalkyl, substituted cycloalkoxy, substituted aryl, and substituted heterocycles; and Y and Z are independently selected from a group consisting of O, (CR.sup.5aR.sup.5b), (CHR.sup.6a)—R.sup.6b, phenylene, CH—OR.sup.7, and NR.sup.8, wherein R.sup.5a, R.sup.5b, R.sup.6a, R.sup.6b, and R.sup.8 are independently selected from a group consisting of hydrogen, halogen, CH.sub.2, and alkyl, and wherein R.sup.7 is independently selected from a group consisting of hydrogen; halogen; hydroxyl; alkyl; linear ether; cyclic ether; Si(R.sup.9).sub.3, wherein R.sup.9 is independently selected from a group consisting of hydrogen, halogen, and alkyl; and (C═O)—R.sup.10, wherein R.sup.10 is an alkyl; and R.sup.4 is independently selected from a group consisting of halogen, hydroxyl, alkyl, substituted alkyl, alkoxy, substituted alkoxy, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aralkyl, (heterocyclo)alkyl, (heteroaryl)alkyl, (amino)alkyl, (alkylamino)alkyl, (dialkylamino)alkyl, carboxamino(alkyl), (cyano)alkyl, alkoxyalkyl, hydroxyalkyl, heteroalkyl, substituted cycloalkyl, substituted cycloalkoxy, substituted aryl, and substituted heterocycles, where the polymer composition has a number average molecular weight (M.sub.n) ranging from 5 kDa to 10000 kDa obtained by GPC.

A polymer composition may include a polymer produced from ethylene, and one or more vinyl carbonyl monomers having the general structure (I): ##STR00001##
where R.sup.1, R.sup.2 and R.sup.3 are independently selected from a group consisting of hydrogen, halogen, hydroxyl, alkyl, substituted alkyl, alkoxy, substituted alkoxy, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aralkyl, (heterocyclo)alkyl, (heteroaryl)alkyl, (amino)alkyl, (alkylamino)alkyl, (dialkylamino)alkyl, carboxamino(alkyl), (cyano)alkyl, alkoxyalkyl, hydroxyalkyl, heteroalkyl, substituted cycloalkyl, substituted cycloalkoxy, substituted aryl, and substituted heterocycles; and Y and Z are independently selected from a group consisting of O, (CR.sup.5aR.sup.5b), (CHR.sup.6a)—R.sup.6b, phenylene, CH—OR.sup.7, and NR.sup.8, wherein R.sup.5a, R.sup.5b, R.sup.6a, R.sup.6b, and R.sup.8 are independently selected from a group consisting of hydrogen, halogen, CH.sub.2, and alkyl, and wherein R.sup.7 is independently selected from a group consisting of hydrogen; halogen; hydroxyl; alkyl; linear ether; cyclic ether; Si(R.sup.9).sub.3, wherein R.sup.9 is independently selected from a group consisting of hydrogen, halogen, and alkyl; and (C═O)—R.sup.10, wherein R.sup.10 is an alkyl; and R.sup.4 is independently selected from a group consisting of halogen, hydroxyl, alkyl, substituted alkyl, alkoxy, substituted alkoxy, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aralkyl, (heterocyclo)alkyl, (heteroaryl)alkyl, (amino)alkyl, (alkylamino)alkyl, (dialkylamino)alkyl, carboxamino(alkyl), (cyano)alkyl, alkoxyalkyl, hydroxyalkyl, heteroalkyl, substituted cycloalkyl, substituted cycloalkoxy, substituted aryl, and substituted heterocycles, where the polymer composition has a number average molecular weight (M.sub.n) ranging from 5 kDa to 10000 kDa obtained by GPC.

The present invention provides a crosslinkable prepolymer which can be used to produce crosslinked polymeric materials (or contact lenses containing the same) having a high strength and excellent durability. The present invention relates to a polyvinyl alcohol-based prepolymer containing a unit having a pendant 1,2-diol containing group and a unit having a specific crosslinkable functional group, as well as a molding using the same.

The present invention provides a crosslinkable prepolymer which can be used to produce crosslinked polymeric materials (or contact lenses containing the same) having a high strength and excellent durability. The present invention relates to a polyvinyl alcohol-based prepolymer containing a unit having a pendant 1,2-diol containing group and a unit having a specific crosslinkable functional group, as well as a molding using the same.