The invention relates to a method of polymerizing at least one monomer comprising a vinylidene fluoride monomer, the method comprising putting in contact the at least one monomer with a polymerization initiator -and an oxidizing agent, the polymerization initiator having the formula (I):

##STR00001##

wherein R.sub.f is a fluoroalkyl group comprising from 1 to 3 carbon atoms; and M.sup.x+ is chosen from a monovalent cation, or a divalent cation, or a trivalent cation, or a tetravalent cation.

The invention relates to a method of polymerizing at least one monomer comprising a vinylidene fluoride monomer, the method comprising putting in contact the at least one monomer with a polymerization initiator -and an oxidizing agent, the polymerization initiator having the formula (I):

##STR00001##

wherein R.sub.f is a fluoroalkyl group comprising from 1 to 3 carbon atoms; and M.sup.x+ is chosen from a monovalent cation, or a divalent cation, or a trivalent cation, or a tetravalent cation.

The present invention relates to a method of preparing a heat-resistant resin, a heat-resistant resin, and a heat-resistant ABS resin. According to the preparation method of the present invention, the heat-resistant resin can be prepared at a high polymerization conversion rate within a shortened polymerization time, and the amount of polymerized coagulum and the content of fine particles upon coagulation are decreased. Accordingly, a heat-resistant resin and a heat-resistant ABS resin composition with enhanced heat deflection temperature and processability are provided.

The present disclosure relates to a formaldehyde-free aqueous curable composition comprising: A) a polymer polymerized from a monomer mixture comprising (a) 30-90 wt % of C.sub.1-C.sub.10 alkyl acrylate; (b) 10-60 wt % of vinylaromatics; (c) 0.5-10 wt % of an ethylenically unsaturated compound having at least two carboxylic acid groups; (d) 0-10 wt % of an ethylenically unsaturated acid having one carboxylic acid group; (e) 0-5 wt % of other ethylenically unsaturated monomers; wherein the percentages are based on the total weight of the monomer mixture; and B) a titanium catalyst.

The present invention is a method for producing a conjugated diene polymer comprising polymerizing at least a conjugated diene monomer using a living radical polymerization method to produce a conjugated diene polymer that comprises a halogen atom at a terminal of a polymer chain, a living radical polymerization reaction being initiated using a copper salt, a multidentate ligand that comprises a nitrogen atom having an sp.sup.2 hybridized orbital as a coordinating atom, and an organic halide, to produce the conjugated diene polymer having a number average molecular weight (Mn) of 1,000 to 1,000,000 and a molecular weight distribution (Mw/Mn) of less than 2.0. The present invention provides a method for efficiently and inexpensively producing a conjugated diene polymer that includes a halogen atom at the terminal of the polymer chain, and has the desired molecular weight and a narrow molecular weight distribution.

Provided is a process for forming an antimicrobial polymer composition comprising: contacting together at least one initiator, at least one promoter, at least one reductant, and at least one monomer, under emulsion polymerization conditions to form a base polymer; and mixing with the base polymer an antimicrobial complex; wherein the at least one initiator is a peroxidic compound and the at least one reductant is an ascorbic compound.

Disclosed are methods for controlled radical polymerization of acrylic monomers using an organic photoredox catalyst, where the polymerization is mediated, as well as regulated, by light.

Disclosed are methods for controlled radical polymerization of acrylic monomers using an organic photoredox catalyst, where the polymerization is mediated, as well as regulated, by light.

A novel material is provided herein which is suitable for use in a precursor of a polymer coating material that coats a polymer on a surface of a base material to provide the base material with surface modification and/or functionality assignment. A composite material characterized in that a compound having a polymerization initiation site containing a halogen group is incorporated in a crosslinked structure comprising a catechol derivative or a phenol derivative represented by the following formula (I). In the formula (I), R may be interrupted by an oxygen molecule and represents a hydrocarbon group with 2 to 20 carbons that has at least one double bond site, and A represents a hydrogen atom, a hydroxyl group, or an alkoxy group with 1 to 20 carbons. ##STR00001##

A novel material is provided herein which is suitable for use in a precursor of a polymer coating material that coats a polymer on a surface of a base material to provide the base material with surface modification and/or functionality assignment. A composite material characterized in that a compound having a polymerization initiation site containing a halogen group is incorporated in a crosslinked structure comprising a catechol derivative or a phenol derivative represented by the following formula (I). In the formula (I), R may be interrupted by an oxygen molecule and represents a hydrocarbon group with 2 to 20 carbons that has at least one double bond site, and A represents a hydrogen atom, a hydroxyl group, or an alkoxy group with 1 to 20 carbons. ##STR00001##