The invention relates to a method for preparing substituted thiolactones of formula (I), new substituted thiolactones of formula (I) that can be obtained by carrying out said method, and the use of substituted thiolactones of formula (I) or (I) for synthesizing polymers or functionalizing surfaces or polymers.

The invention relates to a method for preparing substituted thiolactones of formula (I), new substituted thiolactones of formula (I) that can be obtained by carrying out said method, and the use of substituted thiolactones of formula (I) or (I) for synthesizing polymers or functionalizing surfaces or polymers.

An organopolysiloxane compound represented by average structural formula (1) is capable of imparting an electron beam curable resin with high antistatic properties, while having excellent antistatic performance durability. ##STR00001##
(In the formula, Z represents a single bond or a group having a functionality of 2-20 and containing an organopolysiloxane structure; R.sup.1 represents a single bond, or an unsubstituted or substituted alkylene group having 1-20 carbon atoms; each of R.sup.2 and R.sup.3 represents an unsubstituted or substituted alkyl group having 1-10 carbon atoms, or the like; Y represents a monovalent hydrocarbon group having a polymerizable reactive group; each of p and q represents a number of 1-10, with (p+q) being 2-20 in accordance with the valence of Z; and in cases where Z represents a single bond, p and q represent 1, A.sup.? represents an anion and Q.sup.+ represents a cationic group that is represented by one of formulae (2)-(4) ##STR00002##
(wherein each one of R.sup.4-R.sup.10 represents an alkyl group having 1-20 carbon atoms, or the like; each one of R.sup.11-R.sup.13 represents a hydrogen atom or the like; and * represents a bonding hand).)

An organopolysiloxane compound represented by average structural formula (1) is capable of imparting an electron beam curable resin with high antistatic properties, while having excellent antistatic performance durability. ##STR00001##
(In the formula, Z represents a single bond or a group having a functionality of 2-20 and containing an organopolysiloxane structure; R.sup.1 represents a single bond, or an unsubstituted or substituted alkylene group having 1-20 carbon atoms; each of R.sup.2 and R.sup.3 represents an unsubstituted or substituted alkyl group having 1-10 carbon atoms, or the like; Y represents a monovalent hydrocarbon group having a polymerizable reactive group; each of p and q represents a number of 1-10, with (p+q) being 2-20 in accordance with the valence of Z; and in cases where Z represents a single bond, p and q represent 1, A.sup.? represents an anion and Q.sup.+ represents a cationic group that is represented by one of formulae (2)-(4) ##STR00002##
(wherein each one of R.sup.4-R.sup.10 represents an alkyl group having 1-20 carbon atoms, or the like; each one of R.sup.11-R.sup.13 represents a hydrogen atom or the like; and * represents a bonding hand).)

Provided is a curable silicone resin composition containing an inorganic oxide that may form an optical member having a relatively high refractive index and excellent optical transparency. The curable silicone resin composition may include a first curable silicone resin having a first functional group for surface bonding and a first crosslinkable functional group, a second curable silicone resin having a second functional group for surface bonding and a second crosslinkable functional group, and first and second inorganic oxide particles bonded to the first and second curable silicone resins by the first and second functional groups for surface bonding, respectively. The first and second crosslinkable functional groups may be bonded by applying energy.

A film forming formulation is provided that includes reaction products of phosphoric acid with a mono-glycidoxylated organo silane or mono glycidoxylated hydrocarbon. The phosphoric acid and the mono-glycidoxy organo silanes and mono glycidoxy hydrocarbons are present in a molecular ratio of 0.9-3.3:1. The film formulation also includes an aqueous solvent. A release coating composition is also provided that includes the film forming formulation, a reactive release agent, a base, and an aqueous solvent.

A film forming formulation is provided that includes reaction products of phosphoric acid with a mono-glycidoxylated organo silane or mono glycidoxylated hydrocarbon. The phosphoric acid and the mono-glycidoxy organo silanes and mono glycidoxy hydrocarbons are present in a molecular ratio of 0.9-3.3:1. The film formulation also includes an aqueous solvent. A release coating composition is also provided that includes the film forming formulation, a reactive release agent, a base, and an aqueous solvent.

The invention provides a hydrophilized carbosiloxane vinylic monomer which comprises (1) a poly(carbosiloxane) segment, (2) one sole ethylenically unsaturated group, and (3) at least one terminal or pendant group which is a hydrophilic group or hydrophilic polymer chain. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises monomeric units derived from a hydrophilized carbosiloxane vinylic monomer of the invention.

The invention provides a hydrophilized carbosiloxane vinylic monomer which comprises (1) a poly(carbosiloxane) segment, (2) one sole ethylenically unsaturated group, and (3) at least one terminal or pendant group which is a hydrophilic group or hydrophilic polymer chain. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises monomeric units derived from a hydrophilized carbosiloxane vinylic monomer of the invention.

An object is to provide a polydimethylsiloxane-containing monomer that exhibits satisfactory compatibility with a hydrophilic monomer and a hydrophilic polymer, in which a polymerization product obtained by polymerizing a composition including the polydimethylsiloxane-containing monomer, the hydrophilic monomer, and the hydrophilic polymer has an anti-lipid adhesion property. It has been recognized that a polydimethylsiloxane-containing monomer having a phosphorylcholine group and a hydroxy group can achieve the object, and thus the present disclosure has been completed.