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7595369 Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and optical anisotropic film comprising the same  
A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the...
7414101 Polymerization processes  
The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent.
7399814 Living radical polymerization method  
A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst...
7279234 Methods for identity verification using transparent luminescent polymers  
Disclosed are methods of using a transparent, luminescent polymer for transparent marking and/or labeling for identity verification purposes. Also disclosed are sheets, films, markers, labels and...
7109279 Polymerization method in pores of porous metal complex  
There is provided a method for producing a polymer, which is characterized by polymerizing or copolymerizing an organic compound monomer or monomers accommodated in pores of a porous metal complex.
6936672 Mold addition polymerization of norbornene-type monomers using group 10 metal complexes  
A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4 a...
6803429 Selective ring-opening cross-metathesis of cycloolefins  
A catalytic method is provided for a ring-opening cross-metathesis reaction between a cycloolefinic substrate and a second olefinic reactant, wherein the catalyst used is a transition metal...
6696519 Redox process for preparing emulsion polymer having low residual monomer content  
A process for preparing an aqueous emulsion polymer including providing at least one ethylenically unsaturated monomer and a free radical redox initiator system under emulsion polymerization...
6624265 Ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity  
The invention discloses ruthenium alkylidene complexes of the type (PCy 3 )(L)Cl 2 Ru(CHPh), where L is a triazolylidene ligand of the general formula: These catalysts have been found to be...
6620898 Production of polyisobutylene copolymers  
The invention relates to a new improved catalyst to produce random copolymers of one or more iso-olefin monomers and one or more para-alkylstyrene monomers. The invention also relates to an...
6559326 Substituted phosphinophenoxide-metal complexes for the polymerization of olefins  
Metal complexes obtainable from a metal precursor of a metal of the 6 th -10 th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, where the radicals are...
6331596 Method of preparing carbamate-functional polymers  
A method of preparing a carbamate-functional polymer comprising the steps of providing a hydroxy-functional polymer and reacting a carbamate compound with the hydroxy-functional polymer in the...
6291612 Process for preparing vinyl polymer  
A vinyl polymer having a controlled molecular weight and narrow molecular weight distribution is prepared by polymerizing a vinyl monomer using an organic halide polymerization initiator in the...
6214945 Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions  
The present invention is an improved process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions by free radical polymerization of a vinyl aromatic...
6121371 Application of atom transfer radical polymerization to water-borne polymerization systems  
A process is provided for the preparation of (co)polymer emulsions or suspensions from a full range of free radically (co)polymerizable monomers, wherein the (co)polymers exhibit the...
6008307 Process for producing olefin polymers using cationic catalysts  
A cationic catalyst composition comprising a reactive cation and a compatible non-coordinating anion used at a temperature of 20° C. or less to produce olefin polymers, particularly...
5962608 Polymers made with metal oxide sols  
In one embodiment, the present invention relates to a polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal...
5856415 Optically transparent metal-containing polymers  
A method for producing a metal-containing transparent polymer by the reaction of a metal carboxylate, with a clear setting resin system comprising a thermosetting resin and a curing agent. The...
5744560 Metal accelerated polymerization processes  
A free radical polymerization process for the preparation of a polymer comprising heating a mixture of a free radical initiator, a stable free radical agent, a metal catalyst, or a metal stable...
5721331 Isobutylene-based polymer and process of producing the same  
An isobutylene-based polymer as a polymer of cationically polymerizable monomers principally composed of isobutylene or a combination of isobutylene and a styrene-series monomer, generates a molded...
5712321 Dual-curing coating formulation and method  
The polymerizable acrylate formulation, and method utilizing the same, employ a catalyst system that includes a tertiary aromatic amine compound and an air-curing polyether-ene polymer, in a...
5597858 Hydrophobically associating dispersants used in forming polymer dispersions  
An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer...
5567788 Liquid resin-forming composition and two-package system for providing the composition  
A liquid resin-forming composition contains a polyether-ene such as a polyallyl glycidyl ether, a free radical-polymerizable monomer such as an acrylate ester, a free radical initiator such as an...
5567785 Suspension polymers based on acrylates and methacrylates  
Polymers that can be obtained by suspension polymerization of 50 to 100% by weight of at least one compound selected from the group comprising C 1 -C 18 -alkyl esters of acrylic acid and...
5475069 Polymerization of vinyl ethers  
Process for the polymerization of selected vinyl ethers catalyzed by yttrium or rare earth metal perfluoroalkylsulfonates. A preferred perfluoroalkylsulfonate anion is triflate...
5407973 Dental cold-polymerizing resin composition  
In a powder-liquid type of dental cold-polymerizing resin composition, the powder component comprises a specific polymer such as polymethylmethacrylate containing a pyrimidinetrione derivative and...
5393800 Two-component coating formulation  
A catalyst system for effecting polymerization in a two-part formulation, which contains an oxygen-containing ethylenically unsaturated monomer, consists of a selected acid, a selected aromatic...
5374697 Selected novel sulfonium compounds particularly suitable as initiators for the thermal cure of cationically polymerisable materials  
Sulfonium compounds of formula 1 or 2 ##STR1## wherein R is a mononuclear cycloalkyl radical containing 3 to 8 ring carbon atoms or a mononuclear cycloalkyl radical which contains 3 to 8 ring...
5331043 (Meth)acrylate resins with reduced yellowing, their production and use  
A silane-containing methacrylate resin composition which produces non-yellowing polymers. The composition contains 20-99.9% by weight (meth)acrylic acid ester, optionally other comonomers or...
5328970 Living polymerization method  
A living polymerization method in which an organic aluminum compound having a bulky substituent group is used as a cocatalyst in the living polymerization of a (meth)acrylic acid ester, an epoxide...
5296567 Thermocurable compositions  
The present document describes the use of an inhibitor for cationic polymerization as an additive to a thermocurable composition based on at least one cationically polymerizable organic material...
5268436 Radically polymerizable multi-component mixtures and their use (I)  
The invention relates to moldable, radically polymerizable multicomponent mixtures containing ethylenically unsaturated, polymerizable compounds, if desired in admixture with soluble and/or...
5250641 Curing of dental resin  
A method of curing dental resin according to this invention is characterized by adding a morpholine derivative to a conventional curing process, more particularly, the dental resin is cured by...
5239024 Process for the preparation of alternating copolymers perpared from unsaturated polar compounds and olefins  
The invention relates to a process for the preparation of alternating copolymers from unsaturated polar compounds and olefins in the presence of complexing agents, in which the complexing agent...
5231186 Quaternary ammonium salts  
Quaternary ammonium salts having a 2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazole nucleus, such as 4-aralkyl or alkyl-2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazolium salts are disclosed. These...
5210162 Process for polymerizing polar compounds  
A process for polymerizing polar compounds which have a CC double bond in an α-position relative to a carbonyl or nitrile group, such as acrylic acid derivatives, which comprises polymerizing...
5196489 Process for extrusion polymerization of acrylic monomers  
An extrusion polymerization process is described in which the polymerization of vinylic monomers, in particular acrylic monomers, is carried out in bulk in an extruder. The polymerization reaction...
5187244 Preparation process of block copolymers and resulting block copolymers  
A preparation process of block copolymers which comprises conducting living polymerization of a (meth)acrylic ester substantially in the absence of water, by using a macromolecular compound having...
5149767 Thermosetting mixtures utilizing araliphatic sulfonium salts  
Thermosetting mixtures containing (a) an epoxy resin having on average more than one 1,2-epoxide group in the molecule, (b) a di- or polyisocyanate compound and (c) a sulfonium salt of the...
5104948 Substituted extensively conjugated ionic polyacetylenes  
A family of ionic polyacetylenes containing long sequences of conjugated double bonds in the backbone with ionic charges adjacent to or in conjugation with the backbone, and a synthetic process for...
5026799 Living cationic polymerization of vinylic unsaturated compounds  
This invention relates to a process for the living cationic polymerization of vinylic unsaturated monomers in the presence of halogenated aliphatic acids and the zinc salts of halogenated aliphatic...
5013814 Araliphatic sulfonium salts and their use  
Sulfonium salts of the formulae I to IV ##STR1## in which A is C 1 -C 12 alkyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C...
4943616 Living cationic polymerization process  
A polymerization process is provided for producing a terminally functional polymer which comprises introducing a monomer charge, a Lewis acid and an organic peroxy compound into a suitable reaction...
4940761 Group transfer polymerization of glycidyl (meth)acrylate copolymers to form oxirane group-terminated block copolymers  
ABA triblock polymers that have glycidyl methacrylate as the A segments and (meth)acrylate monomers as the B segment are made by group transfer polymerization, using a monofunctional initiator to...
4940760 Group Transfer Polymerization process employing supported initiators  
Group Transfer Polymerization (GTP) process for preparing a "living" polymer, the process comprising contacting under polymerizing conditions in a polymerization medium, at least one acrylic or...
4880887 Method for curing dental resins  
In curing dental resins, polymerizable compounds having at least one ethylenically unsaturated double bond, such as mono- or poly-functional acrylates or methacrylates are polymerized in the...
4855365 Poly-β-alanine compound, a process for producing the same and a polyacetal resin composition containing a poly-β-alanine compound  
There is disclosed a novel poly-β-alanine compound comprising monomeric units of the formula (CH 2 CH 2 CONH) and monomeric units of the formula ##STR1## in a specific proportion, having a high...
4736003 Enhanced livingness of polymerization using silylated oxyanions  
Silylated oxyanion catalysts, such as trimethyl silyl 3-chlorobenzoate, provide increased livingness of group transfer polymerization, thereby permitting higher molecular weights and polymerization...
4710551 Process for producing a vinyl chloride polymer or copolymer in aqueous suspension using a hydrotalcite compound as suspension stabilizer  
In a process for producing a polymer or copolymer of a vinyl chloride monomer with or without a comonomer by aqueous suspension polymerization or copolymerization in the presence of a suspension...
4621126 Group transfer polymerization employing tris(disubstituted amino)sulfonium perfluorocarbanion salts as catalysts  
Tris(disubstituted amino)sulfonium perfluorocarbanion salts, process for their preparation and the use thereof as catalysts in group transfer polymerization.
Matches 1 - 50 out of 190 1 2 3 4 >