Aqueous latex of vinylidene chloride copolymer An aqueous latex [latex (L)] of a vinylidene chloride copolymer [copolymer (A)], wherein the copolymer (A) consists essentially of recurring units derived from vinylidene chloride (VDC) in an amount comprised between 89.0 and 91.0 wt % of the copolymer, recurring units derived from methacrylonitrile (MAN) in an amount comprised between 2.00 and 5.50 wt % of the copolymer, recurring units derived from at least one ionic comonomer (ICO) in an amount comprised between 0.5 and 1.4 wt % of the copolymer (A), and recurring units derived from methylmethacrylate (MMA) in an amount such that the total of recurring units of VDC, MAN, ICO and MMA is 100 wt %, and wherein the latex (L) comprises at least one surfactant [surfactant (S)] in an amount comprised between 0.09 and 1.50 wt % of the copolymer (A).
Process for the manufacture of the aqueous latex (L), film made therefrom and retort pouch prepared with such film.

Aqueous latex of vinylidene chloride copolymer An aqueous latex [latex (L)] of a vinylidene chloride copolymer [copolymer (A)], wherein the copolymer (A) consists essentially of recurring units derived from vinylidene chloride (VDC) in an amount comprised between 89.0 and 91.0 wt % of the copolymer, recurring units derived from methacrylonitrile (MAN) in an amount comprised between 2.00 and 5.50 wt % of the copolymer, recurring units derived from at least one ionic comonomer (ICO) in an amount comprised between 0.5 and 1.4 wt % of the copolymer (A), and recurring units derived from methylmethacrylate (MMA) in an amount such that the total of recurring units of VDC, MAN, ICO and MMA is 100 wt %, and wherein the latex (L) comprises at least one surfactant [surfactant (S)] in an amount comprised between 0.09 and 1.50 wt % of the copolymer (A).
Process for the manufacture of the aqueous latex (L), film made therefrom and retort pouch prepared with such film.

A ketone-containing polymer can provide for a paint having increased scrub resistance and decreased changes in viscosity, while maintaining quick dry times. In particular, the polymers may be used in compositions for traffic markings and industrial coatings.

A ketone-containing polymer can provide for a paint having increased scrub resistance and decreased changes in viscosity, while maintaining quick dry times. In particular, the polymers may be used in compositions for traffic markings and industrial coatings.

A sulfonic acid modified polyvinyl alcohol resin comprising up to 15 mol % of a first comonomer comprising sulfonic acid groups. The modified polyvinyl alcohol resin has a hydroxyl unit content of at least 65 mol % and a gel fraction of 3.2 or less. Further, the modified polyvinyl alcohol resin has a disintegration time of 85 seconds or less, as measured in a mixture of 50 vol % water and 50 vol % isopropyl alcohol at 23° C. Additionally, the modified polyvinyl alcohol resin has a hard component present in a component ratio of 10% or greater and 55% or less and having a relaxation time of 0.0091 milliseconds or greater and 0.0104 milliseconds or less, as measured by the pulsed NMR Solid Echo method at 80° C. Also disclosed are methods for producing the sulfonic acid modified polyvinyl alcohol resins, which may advantageously be used in inks, paints, paper coatings, emulsions, or films.

A sulfonic acid modified polyvinyl alcohol resin comprising up to 15 mol % of a first comonomer comprising sulfonic acid groups. The modified polyvinyl alcohol resin has a hydroxyl unit content of at least 65 mol % and a gel fraction of 3.2 or less. Further, the modified polyvinyl alcohol resin has a disintegration time of 85 seconds or less, as measured in a mixture of 50 vol % water and 50 vol % isopropyl alcohol at 23° C. Additionally, the modified polyvinyl alcohol resin has a hard component present in a component ratio of 10% or greater and 55% or less and having a relaxation time of 0.0091 milliseconds or greater and 0.0104 milliseconds or less, as measured by the pulsed NMR Solid Echo method at 80° C. Also disclosed are methods for producing the sulfonic acid modified polyvinyl alcohol resins, which may advantageously be used in inks, paints, paper coatings, emulsions, or films.

A hydrophilic polymer comprising pendent groups of the formula I: Wherein: W is independently selected from —OH, —COOH, —SO.sub.3H, —OPO.sub.3H, —O—(C.sub.1-4alkyl), —O—(C.sub.1-4alkyl)OH, —O—(C.sub.1-4alkyl)R.sup.2, —O—(C.sub.2H.sub.5O).sub.qR.sup.1—(C═O)—O—C.sub.1-4alkyl and —O—(C═O)C.sub.1-4alkyl; or a group —BZ; wherein —OH, COOH, O—PO.sub.3H and SO.sub.3H maybe in the form of a pharmaceutically acceptable salt; wherein: B is a bond, or a straight branched alkanediyl, oxyalkylene, alkylene oxaalkylene, or alkylene (oligooxalkylene) group, optionally containing one or more fluorine substituents; and Z is an ammonium, phosphonium, or sulphonium phosphate or phosphonate ester zwitterionic group; X is either a bond or a linking group having 1 to 8 carbons and optionally 1 to 4 heteroatoms selected from O, N and S; G is a coupling group through which the group of the formula I is coupled to the polymer and is selected from ether, ester, amide, carbonate, carbamate, 1,3 dioxolone, and 1,3 dioxane; R.sup.1 is H or C.sub.1-4 alkyl; R.sup.2 is —COOH, —SO.sub.3H, or —OPO.sub.3H.sub.2 q is an integer from 1 to 4; n is an integer from 1 to 4; p is an integer from 1 to 3; and n+p is from 2 to 5; and wherein —COOH, —OPO.sub.3H.sub.2 and —SO.sub.3H as well as phenolic —OH maybe in the form of a pharmaceutically acceptable salt.

A hydrophilic polymer comprising pendent groups of the formula I: Wherein: W is independently selected from —OH, —COOH, —SO.sub.3H, —OPO.sub.3H, —O—(C.sub.1-4alkyl), —O—(C.sub.1-4alkyl)OH, —O—(C.sub.1-4alkyl)R.sup.2, —O—(C.sub.2H.sub.5O).sub.qR.sup.1—(C═O)—O—C.sub.1-4alkyl and —O—(C═O)C.sub.1-4alkyl; or a group —BZ; wherein —OH, COOH, O—PO.sub.3H and SO.sub.3H maybe in the form of a pharmaceutically acceptable salt; wherein: B is a bond, or a straight branched alkanediyl, oxyalkylene, alkylene oxaalkylene, or alkylene (oligooxalkylene) group, optionally containing one or more fluorine substituents; and Z is an ammonium, phosphonium, or sulphonium phosphate or phosphonate ester zwitterionic group; X is either a bond or a linking group having 1 to 8 carbons and optionally 1 to 4 heteroatoms selected from O, N and S; G is a coupling group through which the group of the formula I is coupled to the polymer and is selected from ether, ester, amide, carbonate, carbamate, 1,3 dioxolone, and 1,3 dioxane; R.sup.1 is H or C.sub.1-4 alkyl; R.sup.2 is —COOH, —SO.sub.3H, or —OPO.sub.3H.sub.2 q is an integer from 1 to 4; n is an integer from 1 to 4; p is an integer from 1 to 3; and n+p is from 2 to 5; and wherein —COOH, —OPO.sub.3H.sub.2 and —SO.sub.3H as well as phenolic —OH maybe in the form of a pharmaceutically acceptable salt.

Provided is a quaternary ammonium surfmer, that may have the following general formula (I): N.sup.+—R.sup.1R.sup.2R.sup.3R.sup.4 (X.sup.−), where: R.sup.1 and R.sup.2 may independently be H or a C.sub.1-C.sub.3 alkyl, R.sup.3 may be a C.sub.19+ amidoalkyl group, R.sup.4 may be a C.sub.3-C.sub.6 alkyl having a terminal olefin double bond group, and X may be a halogen. Further provided is a method for synthesizing the quaternary ammonium surfmer and a method for recovering hydrocarbons from a subterranean formation that may include injecting a treatment fluid comprising the quaternary ammonium surfmer into the subterranean formation.

Provided is a quaternary ammonium surfmer, that may have the following general formula (I): N.sup.+—R.sup.1R.sup.2R.sup.3R.sup.4 (X.sup.−), where: R.sup.1 and R.sup.2 may independently be H or a C.sub.1-C.sub.3 alkyl, R.sup.3 may be a C.sub.19+ amidoalkyl group, R.sup.4 may be a C.sub.3-C.sub.6 alkyl having a terminal olefin double bond group, and X may be a halogen. Further provided is a method for synthesizing the quaternary ammonium surfmer and a method for recovering hydrocarbons from a subterranean formation that may include injecting a treatment fluid comprising the quaternary ammonium surfmer into the subterranean formation.