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7534843 |
Accelerated organoborane amine complex initiated polymerizable compositions
The invention is a two part polymerizable composition comprising in one part an organoboron compound capable of forming free radical generating species amine complex and in the second part one or...
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7524907 |
Accelerated organoborane initiated polymerizable compositions
The invention is a two part polymerizable composition comprising in one part an organoboron compound capable of forming free radical generating species and in the second part one or more compounds...
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7504443 |
Dental adhesive composition
The dental adhesive composition of the present invention comprises a polyfunctional polymerizable monomer which is an ester compound of a polyhydric alcohol of 3 to 6 carbon atoms and plural...
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7408012 |
Adhesive bonding systems having adherence to low energy surfaces
This invention relates to (meth)acrylate-based polymerizable compositions and adhesive systems prepared therefrom, which include a alkylated borohydride or tetraalkyl borane metal or ammonium salt...
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7396887 |
Insitu removal of chelator from anionic polymerization reactions
A process for producing polymers having at least one high vinyl end segment is provided. The process comprises: (a) forming a living prepolymer high vinyl initiator with a vinyl content greater...
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7332559 |
Method of preparing polycarbonate resin
A method of preparing a high molecular weight polycarbonate resin is provided. In the method, a condensation polymerization process is used so that a mole fraction of arylcarbonate existing in a...
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7235617 |
Organoborane amine complex polymerization initiators and polymerizable compositions
The invention is a two part composition useful for initiating cure of one or more polymerizable monomers which cure when exposed to free radicals comprising in one part an organoboraneamine complex...
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7220807 |
Process of preparing functional fluoropolymers
Functional fluoro-monomers are polymerized with an organoborane functional initiator in the presence of oxygen to yield functional fluoropolymers and copolymers to produce functional polymers...
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7202317 |
Polymerization of i-butene in hydrocarbon media using bis(borane) co-initiators
A method is provided for cationically polymerizing olefin monomer by using a novel coinitiator in the presence of water. More specifically, a method is provided for cationically polymerizing olefin...
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7196149 |
Polymerization of i-butane in hydrocarbon media using bis(borane) co-initiators
A method is provided for cationically polymerizing olefin monomer by employing the step of using a novel coinitiator in an organic phase or a neat monomer reaction phase. More specifically, a...
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7157399 |
Amine organoborane complex initiated polymerizable compositions containing siloxane polymerizable components
In one embodiment the invention is a polymerizable composition comprising a) an organoborane amine complex; b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is...
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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...
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6911509 |
Functional fluoropolymers and process therefor
Functional fluoro-monomers are polymerized with an organoborane initiator to yield functional fluoro-polymers and copolymers including functional polymers prepared from monomers having allylic...
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6867271 |
Non-flammable and non-combustible adhesive bonding systems having adherence to low energy surfaces
This invention relates to (meth)acrylate based polymerizable compositions and multipart adhesive systems prepared therefrom, which include an aziridine-containing compound in a carrier material...
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6844080 |
Metal alkyl borphydride polymerisation initiators, polymerisable compositions, and uses thereof
Metal alkyl borohydrides are used as initiators of polymerisation, particularly in adhesive compositions for bonding a wide range of substrates including low surface energy substrates such as...
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6815470 |
Dental catalyst for chemical polymerization and use thereof
A dental catalyst for chemical polymerization comprising an acidic compound, an organic peroxide such as cumene hydroperoxide, and aryl borate compound such as sodium tetraphenylborate, but without...
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6806330 |
Amine organoborane complex polymerization initiators and polymerizable compositions
The invention is an amine-organoborane complex wherein the organoborane is a trialkyl borane and the amine is an amine having an amidine structural component; an aliphatic heterocycle having at...
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6762260 |
Organoborane amine complex polymerization initiators and polymerizable compositions
The invention is a two part polymerizable composition comprising in one part an organoborane amine complex and one or more compounds containing ring opening heterocyclic moieties, and in a second...
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6762256 |
Initiator/amidine complexes, systems comprising the complexes, and polymerized compositions made therewith
Initiator systems of the invention comprise a complexed initiator comprising a complex of an amidine complexing agent and an initiator; and a decomplexer. The initiator systems are useful for...
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6734268 |
Metal salt modifiers for bonding compositions
The invention provides bonding compositions and reactive two-part bonding compositions that are useful, for example, in bonding low surface energy substrates (e.g., polyethylene, polypropylene and...
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6699949 |
Process of preparing maleic anhydride modified polyolefins by the oxidation adducts of borane and maleic anhydride
An in situ controlled oxidation reaction of trialkylborane (BR 3 ) in the presence of polyolefin and maleic anhydride produces mono-oxidized trialkylborane adducts, i.e., peroxyldialkylborane...
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6689852 |
Modifiers for improved olefin polymerization with activated neutral aluminum compounds
The present invention is for a transition metal-free catalyst system for synthesizing high molecular weight, linear polymers. The system comprises a catalyst composition having: (a) a neutral...
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6645903 |
Fluoroborane salts comprising a reactive cation and uses thereof
The present invention provides catalyst components comprising a compound having a weakly coordinating anion salt and a reactive cation, in particular a compound of the formula M x Q y . Preferably,...
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6632908 |
Bonding system having adherence to low energy surfaces
The present invention is directed to (meth)acrylate compositions useful for bonding substrates including metals, plastics, and glass to similar or different substrates, in particular, low energy...
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6515088 |
“Living” free radical polymerization process
A new class of “living” free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula. R—[O—O—B—φ 1 (—φ 2...
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6489416 |
Process for synthesizing linear polymers of ethylene and alpha-olefins
Ethylene and/or propylene are polymerized to form high molecular weight, linear polymers by contacting ethylene and/or propylene monomer, in the presence of an inert reaction medium, with a...
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6479602 |
Polymerization initiator systems and bonding compositions comprising vinyl aromatic compounds
Polymerization initiator systems comprising an organoborane and a vinyl aromatic compound are described. The polymerization initiator systems are particularly useful in formulating two-part curable...
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6437065 |
Reactive systems from polymerizable monomers which comprise peroxides and stabilized alkylboron compounds
Reactive systems for polymerizing ethylenically unsaturated compounds comprising a first component, comprised of ethylenically unsaturated compounds capable of polymerization, and a second...
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6420502 |
Living free radical initiators based on alkylperoxydiarylborane derivatives and living free radical polymerization process
A new class of “living” free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula. R—[O—O—B-φ 1 (-φ 2 )]...
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6395847 |
Supported organometallic catalysts and their use in olefin polymerization
The invention is directed to organometallic catalysts prepared by a process comprising a) combining nucleophilic group-containing particulate support material with an arylboron or arylaluminum...
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6384165 |
Organoborane amine complex initiator systems and polymerizable compositions made therewith
A composition comprises organoborane amine complex and 1,4-dioxo-2-butene-functional material. The composition can form a part of a polymerization initiator system that also includes a compound...
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6355749 |
Semicrystalline ferroelectric fluoropolymers and process for preparing same
A new class of ferroelectric terpolymers having an exceptionally large electrostrictive response (>3%) induced by external electric field at ambient temperature comprise 50-80 mole % of...
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6294626 |
Olefin polymerization catalysts containing modified boraaryl ligands
A single-site olefin polymerization catalyst is described. The catalyst comprises an activator and an organometallic compound that includes a Group 3 to 10 transition or lanthanide metal, M, and a...
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6284381 |
Polymerizable compositions made with polymerization initiator systems based on organoborane amine complexes
A polymerizable acrylic composition comprises: (a) at least one acrylic monomer; (b) an effective amount of an organoborane amine complex having the structure: ##STR1## wherein: R 1 is an alkyl...
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6252023 |
Organoborane amine complex inatator systems and polymerizable compositions made therewith
A composition comprises organoborane amine complex and 1,4-dioxo-2-butene-functional material. The composition can form a part of a polymerization initiator system that also includes a compound...
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6207726 |
Photocurable prepreg composition and production method thereof
A photocurable prepreg composition which is characterized by easy control of a B stage state of a thermosetting resin such as an unsaturated polyester resin or an epoxy acrylate resin, excellent...
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6117961 |
Crosslinkable styrene based polymers having narrow molecular weight distribution
The present invention provides a process for producing a crosslinkable styrene or styrene derivative polymer having narrow molecular weight distribution by radical polymerization of a styrene or...
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6093778 |
Organoborane polyamine complex initiator systems and polymerizable compositions made therewith
A composition comprises organoborane polyamine complex and polyol. The composition can form a part of a polymerization initiator system that also includes polyisocyanate. The system can be used to...
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6087062 |
Polyborate coinitiators for photopolymerization
Compounds of the formula I and II ##STR1## in which R 1 , R 2 and R 3 are, for example, unsubstituted or substituted phenyl, where none of the radicals R 1 -R 3 is a phenyl radical which is...
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6051626 |
Adhesive composition for dental or surgical treatment
An adhesive composition for dental or surgical treatment comprising (A) 2 to 24 parts by weight of an organic boron compound, (B) 0.002 to 0.5 part by weight of a photopolymerization initiator, (C)...
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6045974 |
Borate photoinitiators from monoboranes
The invention relates to photopolymerizable compositions comprising as photoinitiator a borate of the formula I or I' ##STR1## R 1 , R 2 and R 3 are, for example and independently of one another,...
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6037388 |
Dental or surgical adhesive and polymerization initiator composition for the same
A polymerization initiator composition comprising 100 parts by weight of an organic boron compound (A) and 10 to 150 parts by weight of an aprotic solvent (B) having a boiling point of 30 to 150°...
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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...
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5959049 |
Process for selective bromination of para-alkylstyrene/isoolefin copolymers
A process for producing a copolymer of isoolefin having between 4 and 7 carbon atoms and para-alkylstyrene is provided. The process comprises admixing the isoolefin and the para-alkylstyrene in a...
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5935711 |
Organoborane amine complex initiator systems and polymerizable compositions made therewith
A composition comprises organoborane amine complex and aziridine-functional material. The composition can form a part of a polymerization initiator system that also includes a compound that is...
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5866631 |
Dental primer composition and polymerization catalyst
There is provided a dental primer composition capable of obtaining high adhesive strength to both dentin and enamel, as a pretreatment material for a chemically polymerizable adhesive. This...
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5817376 |
Free-radically polymerizable compositions capable of being coated by electrostatic assistance
Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more free-radically curable...
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5741870 |
Resin composition
A resin composition comprises an EVOH (A) and a thermoplastic polymer (B) having at least one functional group selected from the group consisting of boronic acid group, borinic acid group and...
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5582808 |
Borohydrides to inhibit polymer formation in petrochemical caustic scrubbers
The present invention provides borohydrides that are useful in reducing aldol condensation and subsequent polymer formation in caustic scrubbers. The borohydrides are believed to react with...
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5496903 |
Near infrared polymerizable composition
The present invention provides the near infrared polymerizable composition which has high sensitivity sufficient to provide excellent curability to the coating composition containing the same, even...
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