The present invention relates to a photocurable composition for imprint in a condensable gas atmosphere. The composition at least includes a polymerizable compound component (A) and photopolymerization initiator component (B) and satisfies the Requirement (1): a value E.sub.CG of greater than or equal to 2.30 GPa, where E.sub.CG denotes the reduced modulus (GPa) of a photocured film prepared by exposing the photocurable composition for imprint to light at an exposure dose of 200 mJ/cm.sup.2 in an atmosphere containing a condensable gas in a concentration of 90% by volume or more.

A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula:

##STR00001##

wherein R.sub.1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R.sub.2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R.sub.2, if not hydrogen, is broadly dispersed, wherein R.sub.2 comprises a weight fraction of carbon numbers greater than 30, wherein R.sub.2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.

A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula:

##STR00001##

wherein R.sub.1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R.sub.2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R.sub.2, if not hydrogen, is broadly dispersed, wherein R.sub.2 comprises a weight fraction of carbon numbers greater than 30, wherein R.sub.2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.

A method for making a water-based adhesive composition is disclosed. The method comprises dispersing at least one unsaturated monomer and at least one surfactant in an aqueous medium to form an emulsified mixture. The method further comprises introducing at least one initiator to the emulsified mixture, thereby polymerizing the at least one unsaturated monomer and forming an emulsion polymer. The method still further comprises introducing at least one polyol ester of a conjugated acid to the emulsion polymer upon completion of polymerization of the at least one unsaturated monomer. The conjugated acid may be derived from a naturally-occurring dry oil, such as tung oil. There is still further provided a pressure sensitive adhesive comprising the composition prepared according to the disclosed method.

A method for making a water-based adhesive composition is disclosed. The method comprises dispersing at least one unsaturated monomer and at least one surfactant in an aqueous medium to form an emulsified mixture. The method further comprises introducing at least one initiator to the emulsified mixture, thereby polymerizing the at least one unsaturated monomer and forming an emulsion polymer. The method still further comprises introducing at least one polyol ester of a conjugated acid to the emulsion polymer upon completion of polymerization of the at least one unsaturated monomer. The conjugated acid may be derived from a naturally-occurring dry oil, such as tung oil. There is still further provided a pressure sensitive adhesive comprising the composition prepared according to the disclosed method.

The disclosure relates to compositions containing 1,1-disubstituted alkene compounds capable of preparing polymers having glass transition temperatures above room temperature. The present teaching also relates to polymers prepared 1,1-disubstituted alkene compounds which exhibit glass transition temperatures of 60 C. The disclosure also relate to methods for enhancing the glass transition temperatures of polymers prepared from 1,1-disubstituted alkene compounds.

A resist composition including a resin component having a structural unit derived form a compound represented by formula (a0-1) (in the formula, W represents a polymerizable group-containing group; Ra.sup.01 is a group which is bonded to Ra.sup.03 to form an aliphatic cyclic group, or bonded to Ra.sup.04 to form an aliphatic cyclic group;

Ra.sup.02 represents a hydrocarbon group which may have a substituent; Ra.sup.03 is a hydrogen atom or a monovalent organic group in the case where Ra.sup.01 is not bonded thereto; Ra.sup.04 is a hydrogen atom or a monovalent organic group in the case where Ra.sup.01 is not bonded thereto; and Ra.sup.05 to Ra.sup.07 each independently represents a hydrogen atom or a monovalent organic group).

##STR00001##

To provide a water repellent composition whereby a moisture permeable waterproof film is rendered less likely to be peeled from an article treated by the water-repellent composition. The water repellent composition comprises a copolymer (A) having structural units based on a monomer (a) and structural units based on a monomer (b), a polymer (B) having an amino group, an ammonium salt group or an amide group as a pendant group, and an aqueous medium. The monomer (a) is a compound represented by R.sup.F-Q-ZC(O)C(R)CH.sub.2 (wherein R.sup.F is a C.sub.4-6 perfluoroalkyl group, Q is either a divalent hydrocarbon group containing no fluorine atom or a single bond, Z is O or NH, and R is a hydrogen atom, a methyl group or a chlorine atom).

The monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having a C.sub.12-22 alkyl group.

To provide a water repellent composition whereby a moisture permeable waterproof film is rendered less likely to be peeled from an article treated by the water-repellent composition. The water repellent composition comprises a copolymer (A) having structural units based on a monomer (a) and structural units based on a monomer (b), a polymer (B) having an amino group, an ammonium salt group or an amide group as a pendant group, and an aqueous medium. The monomer (a) is a compound represented by R.sup.F-Q-ZC(O)C(R)CH.sub.2 (wherein R.sup.F is a C.sub.4-6 perfluoroalkyl group, Q is either a divalent hydrocarbon group containing no fluorine atom or a single bond, Z is O or NH, and R is a hydrogen atom, a methyl group or a chlorine atom).

The monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having a C.sub.12-22 alkyl group.

An intraocular lens material disclosed in the present description includes an aromatic ring-containing acrylate structural unit, an alkoxyalkyl methacrylate structural unit including an alkoxy group having 4 or less carbon atoms, a hydrophilic structural unit based on a hydrophilic monomer, and a cross-linking structural unit based on a cross-linkable monomer.