A two-part adhesive composition includes: a Part A including a complex of an organoborane and an amine complexing agent, and reactive diluent selected from the group consisting of at least one vinyl ether, at least one vinylpolysiloxane, or combinations thereof; and a Part B. Part B includes a decomplexing agent that decomplexes the organoborane and the amine complexing agent, and at least one silicon-free free-radically polymerizable ethylenically-unsaturated compound selected from the group consisting of (meth)acrylates, (meth)acrylamides, and combinations thereof. The two-part adhesive composition is essentially free of organic polythiol compounds. A method of making an adhesive composition by mixing Part A with Part B is also disclosed.

It has been desired to develop a method for producing an oxymethylene polymer, by which an oxymethylene polymer having a high polymerization degree can be produced with high efficiency while suppressing increase in the amount of generation of an odor. Further, it has been desired to develop an oxymethylene polymer resin composition, wherein generation of an odor at the time of molding or after molded to obtain a molded body is suppressed. The present invention provides a method for producing an oxymethylene polymer, wherein the oxymethylene polymer is produced by polymerizing a cyclic oligomer of formaldehyde, and wherein a boron trifluoride compound and an aryl fluoride boron compound are used as polymerization catalysts. The present invention also provides an oxymethylene polymer resin composition containing an oxymethylene polymer and a derivative of an aryl fluoride boron compound.

It has been desired to develop a method for producing an oxymethylene polymer, by which an oxymethylene polymer having a high polymerization degree can be produced with high efficiency while suppressing increase in the amount of generation of an odor. Further, it has been desired to develop an oxymethylene polymer resin composition, wherein generation of an odor at the time of molding or after molded to obtain a molded body is suppressed. The present invention provides a method for producing an oxymethylene polymer, wherein the oxymethylene polymer is produced by polymerizing a cyclic oligomer of formaldehyde, and wherein a boron trifluoride compound and an aryl fluoride boron compound are used as polymerization catalysts. The present invention also provides an oxymethylene polymer resin composition containing an oxymethylene polymer and a derivative of an aryl fluoride boron compound.

It has been desired to develop a method for producing an oxymethylene polymer, by which an oxymethylene polymer having a high polymerization degree can be produced with high efficiency while suppressing increase in the amount of generation of an odor. Further, it has been desired to develop an oxymethylene polymer resin composition, wherein generation of an odor at the time of molding or after molded to obtain a molded body is suppressed. The present invention provides a method for producing an oxymethylene polymer, wherein the oxymethylene polymer is produced by polymerizing a cyclic oligomer of formaldehyde, and wherein a boron trifluoride compound and an aryl fluoride boron compound are used as polymerization catalysts. The present invention also provides an oxymethylene polymer resin composition containing an oxymethylene polymer and a derivative of an aryl fluoride boron compound.

A method for producing a cross-linked siloxane network comprises the steps of: (a) providing a first part comprising a first siloxane compound and a cure inhibitor, (b) providing a second part, the second part comprising a hydroxide salt, (c) combining the first part and the second part to produce a reaction mixture, (d) heating the reaction mixture to a temperature sufficient for the hydroxide salt to open the ring of the cyclic siloxane moiety, and (e) maintaining the reaction mixture at an elevated temperature so that at least a portion of the opened cyclic siloxane moieties react with each other to produce a cross-linked siloxane network.

A method for producing a cross-linked siloxane network comprises the steps of: (a) providing a first part comprising a first siloxane compound and a cure inhibitor, (b) providing a second part, the second part comprising a hydroxide salt, (c) combining the first part and the second part to produce a reaction mixture, (d) heating the reaction mixture to a temperature sufficient for the hydroxide salt to open the ring of the cyclic siloxane moiety, and (e) maintaining the reaction mixture at an elevated temperature so that at least a portion of the opened cyclic siloxane moieties react with each other to produce a cross-linked siloxane network.

Complexes, compositions, articles of manufacture, and method for making the same are provided herein. In one embodiment, a borate-polyol complex may be prepared by reacting a boron-containing compound and a polyol to form a reaction mixture and then neutralizing the reaction mixture to form a neutralized borate-polyol complex. The neutralized borate-polyol complex may then be used in combination with polymeric resins to form adhesive products, among other material products, which products can be in manufacturing articles.

Complexes, compositions, articles of manufacture, and method for making the same are provided herein. In one embodiment, a borate-polyol complex may be prepared by reacting a boron-containing compound and a polyol to form a reaction mixture and then neutralizing the reaction mixture to form a neutralized borate-polyol complex. The neutralized borate-polyol complex may then be used in combination with polymeric resins to form adhesive products, among other material products, which products can be in manufacturing articles.

A polymerization method including radically polymerizing a monomer in a polymerization medium comprising a chain transfer agent, and a free radical initiator prepared by oxidizing a reaction product of a ligand-reactive decomplexation agent and an alkyl-borane complex of the formula: ##STR00001##
wherein R.sub.1, R.sub.2, and R.sub.3 are independently selected from hydrogen, an alkyl group containing from 1 to 12 carbon atoms, a cycloalkyl group containing from 3-12 carbon atoms, and an aryl group containing from 6 to 12 carbon atoms, wherein the aryl group may be optionally substituted with an alkyl group having from 1 to 10 carbon atoms, and at least one of R.sub.1, R.sub.2, and R.sub.3 is an alkyl group, a cycloalkyl group or an aryl group, and L is a complexing agent selected from one or more amine groups, amidine groups, hydroxide groups, alkoxyl groups, alkyl ether groups, alkoxide groups and mixtures thereof.

A polymerization method including radically polymerizing a monomer in a polymerization medium comprising a chain transfer agent, and a free radical initiator prepared by oxidizing a reaction product of a ligand-reactive decomplexation agent and an alkyl-borane complex of the formula: ##STR00001##
wherein R.sub.1, R.sub.2, and R.sub.3 are independently selected from hydrogen, an alkyl group containing from 1 to 12 carbon atoms, a cycloalkyl group containing from 3-12 carbon atoms, and an aryl group containing from 6 to 12 carbon atoms, wherein the aryl group may be optionally substituted with an alkyl group having from 1 to 10 carbon atoms, and at least one of R.sub.1, R.sub.2, and R.sub.3 is an alkyl group, a cycloalkyl group or an aryl group, and L is a complexing agent selected from one or more amine groups, amidine groups, hydroxide groups, alkoxyl groups, alkyl ether groups, alkoxide groups and mixtures thereof.