摘要:
The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced by atom transfer radical polymerization of a vinyl monomer is heated at a temperature in the range of 140 to 250° C. to dehalogenate the vinyl polymer; a vinyl polymer obtained by the process; and a hydrosilylation-reactive curable composition containing the vinyl polymer.
摘要:
A vinyl polymer having at least one terminal group of the general formula (1) per molecule; —OC(O)C(R)═CH2 (1) wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; a curable composition containing said polymer; an aqueous emulsion containing either said polymer or said curable composition; a pressure sensitive adhesive composition and a pressure sensitive adhesive each comprising said curable composition or aqueous emulsion.
摘要:
The present invention is concerned with a vinyl polymer having at least one group of the general formula (1) permolecule at the molecular chain terminus. -Z-R—CR1═CR2R3 (1) wherein Z represents an oxygen atom, a sulfur atom, a group of the formula NR′, R′ represents a univalent hydrocarbon group containing 1 to 20 carbon atoms, or a bivalent organic group containing 1 to 20 carbon atoms, and R represents a carbonyl group, a direct bond or a bivalent organic group containing 1 to 20 carbon atoms; R1 and R2 are the same or different and each represents a hydrogen atom or a univalent organic group containing 1 to 20 carbon atoms, and R3 represents an organic group containing 1 to 20 carbon atoms. The present invention is further concerned with a curable composition comprising the above vinyl polymer.
摘要:
A vinyl polymer having at least one group of the general formula (1) per molecule at the molecular chain terminus. —Z—R—CR1═CR2R3 (1) wherein Z represents an oxygen atom, a sulfur atom, a group of the formula NR′, R′ represents a univalent hydrocarbon group containing 1 to 20 carbon atoms, or a bivalent organic group containing 1 to 20 carbon atoms, and R represents a carbonyl group, a direct bond or a bivalent organic group containing 1 to 20 carbon atoms; R1 and R2 are the same or different and each represents a hydrogen atom or a univalent organic group containing 1 to 20 carbon atoms, and R3 represents an organic group containing 1 to 20 carbon atoms; and a curable composition comprising the above vinyl polymer are provided.
摘要:
This invention provides a method for purification of a vinyl polymer which comprises the atom transfer radical polymerization of a vinyl monomer using a transition metal complex as the polymerization catalyst, said vinyl polymer being brought into contact with an oxidizing agent or a reducing agent.
摘要:
The invention provides a resin composition comprising a crosslinking silyl-terminated stellar-structure vinyl polymer or a stellar-structure vinyl block copolymer or chain-extended vinyl block copolymer. The invention provides a method of producing a stellar-structure vinyl block copolymer or chain-extended vinyl block copolymer which comprises forming a block copolymer using living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of polymerization of the block copolymer.
摘要:
A method for producing a (meth)acrylic polymer having crosslinkable silyl groups at the termini, comprising a step of adding a hydrosilane compound having a crosslinkable silyl group to an alkenyl-terminated (meth)acrylic polymer (A), which is prepared by atom transfer radical polymerization, in the presence of a platinum hydrosilylation catalyst. The amount of the platinum hydrosilylation catalyst is 0.1 to 10 mg on a platinum metal basis per kilogram of the alkenyl-terminated (meth)acrylic polymer (A). An object of the invention is to provide a method for producing a (meth)acrylic polymer having terminal crosslinkable silyl.
摘要:
The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living-radical polymerization and has a reactive functional group at a main chain terminus. A flexible epoxy resin composition can be obtained using these compounds. The invention further provides an epoxy resin composition-having an epoxy group at a main chain terminus thereof.
摘要:
Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerization system.
摘要:
This invention provides a method for purification of a vinyl polymer which comprises the atom transfer radical polymerization of a vinyl monomer using a transition metal complex as the polymerization catalyst, said vinyl polymer being brought into contact with an oxidizing agent or a reducing agent.