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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...
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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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7202373 |
Monocyclopentadienyl complexes
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of...
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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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7189303 |
Initiator systems and adhesive compositions made therewith
Initiator systems of the present invention include both a complexed initiator and a carboxylic acid decomplexer. For example, dicarboxylic acid decomplexer, carboxylic acid ester decomplexers, and...
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7151072 |
Initiator systems comprising β-ketone compounds and bonding compositions made therewith
The invention provides initiator systems capable of initiating polymerization. More specifically, the invention relates to initiator systems comprising a complexed initiator and a β-ketone...
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6951909 |
Polymerizable system with a long work-life
The present invention is directed to a polymerizable system. The polymerizable system comprises an organoborane, at least one polymerizable monomer, and a work-life extending agent.
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6939932 |
Initiator systems, polymerisable compositions, and uses thereof for bonding low surface energy substrates
Use of an initiator system comprising:
a combination of an organoborane and a polyaziridine, in a ratio of aziridine groups to boron atoms of greater than 1.3:1,
as an initiator of...
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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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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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6652281 |
Dental materials
Dental materials containing monomers and/or prepolymers can be subjected to a polymer-forming reaction. The dental materials comprise at least one initiating system and optionally comprise fillers,...
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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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6602970 |
2-cyanoacrylate composition
A 2-cyanoacrylate composition comprising a cyclic phenol sulfide derivative. The composition has a high curing rate and is excellent in moist-heat resistance, surface curability and clearance...
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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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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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6383655 |
Low odor polymerizable compositions useful for bonding low surface energy substrates
Low odor polymerizable compositions comprise monomer blends having a average monomer fluorophilicity of at least 3.25, an average boiling point of at least about 160° C., and wherein the monomer...
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6344529 |
Zwitterionic catalyst activator
Disclosed are compounds useful as catalyst activators for olefin polymerization, comprising structures of the following formulae: wherein: L + is a protonated derivative of an element of Group...
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6284905 |
Bridged metal complexes
A Group 4 transition metal complex containing a boron or aluminum bridging group containing a nitrogen containing electron donating group, especially an amido group.
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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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6248846 |
Polymerizable compositions comprising 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...
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6127092 |
Reaction resin mixtures and use thereof
Curable reaction resin mixtures which are suitable for stereolithography have the following composition: a cationically curable monomer and/or oligomer, an initiator with the following...
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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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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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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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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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5718977 |
Organoborane polyoxyalkylenepolyamine complexes and adhesive compositions made therewith
A complex comprises organoborane and polyoxyalkylenepolyamine. The complexes are useful in systems for initiating the polymerization of acrylic monomer, which systems further include an amine...
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5681910 |
Organoborane polyoxyalkylenepolyamine complexes and adhsesive compositions made therewith
A complex comprises organoborane and polyoxyalkylenepolyamine. The complexes are useful in systems for initiating the polymerization of acrylic monomer, which systems further include an amine...
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5616796 |
Organoborane polyamine complexes and adhesive composition made therewith
A complex comprises organoborane and polyamine. The polyamine is the reaction product of a diprimary amine-terminated material and a material having at least two groups reactive with primary amine....
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5376746 |
Acrylic adhesive composition and organoboron initiator system
A two-part initiator system useful in acrylic adhesive compositions comprising in one part a stable organoboron amine complex and in the second part an aldehyde destabilizer or activator. This...
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5310835 |
Transparent two-part acrylic adhesive composition and the method of use thereof
In a two-part adhesive composition wherein one-part comprises a polymerizable acrylic monomer and an organoboron amine complex and the second-part contains an organic acid destabilizer and optional...
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4921921 |
Meltable aerobically cured plastic compositions
Hotmelt adhesives which, after heating, are capable of polymerization under the effect of atmospheric oxygen and which essentially consist of a solid reactive component containing at least one...
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4601843 |
Phosphazene based functional fluid compositions
A functional fluid composition is provided which comprises a plurality of different phosphazene compounds of the general formula (P=N) n (R) a (R') b (R") c (R'") d wherein R is at least one...
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4171416 |
α-Cyanoacrylate-type adhesive composition
A fast-setting α-cyanoacrylate-type adhesive composition having good storage stability comprising an α-cyanoacrylate and about 0.1 ppm or more of at least one macrocyclic polyether compound or an...
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4152505 |
Polymerization process
Homopolymers of conjugated dienes and copolymers of conjugated dienes with other conjugated dienes or with vinyl aromatic compounds having an elastomeric character are prepared by use of a...
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4148986 |
Polymerization process
Homopolymers of conjugated dienes and copolymers of conjugated dienes with other conjugated dienes or with vinyl aromatic compounds having an elastomeric character are prepared by use of a...
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4101513 |
Catalyst for condensation of hydrolyzable silanes and storage stable compositions thereof
Onium catalysts of Group Va, VIa, and VIIa atoms have been found to be radiation activatable catalysts for the hydrolysis of silanes. Anhydrous compositions comprising silanes and the catalyst are...
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4055714 |
Azo free radical initiators containing ultraviolet light stabilizing groups
Compounds which contain azo or peroxide linkages as well as the radical of an ultraviolet light stabilizing group are described. These compounds function as polymerization initiators which cause an...
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3890288 |
Process for making poly-alpha-oxyacrylic acid and its alkali metal salts
Production of poly-α-oxyacrylic acid by contacting a solution of α-chloracrylic acid with one or more radical-yielding polymerization catalysts, heating and thereby hydrolyzing the resulting...
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3872069 |
PROCESS FOR THE POLYMERIZATION AND COPOLYMERIZATION OF ISOBUTYLENE
A process is disclosed whereby butyl rubber of high molecular weight and excellent physical characteristics is readily prepared by copolymerizing isobutylene and isoprene in the presence of a...
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3429853 |
PROCESS FOR PREPARING PREPOLYMERS OF UNSATURATED HETEROCYCLIC COMPOUNDS AND RESULTING PRODUCTS
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3406157 |
Polymerization of vinyl chloride in the presence of ammonia complex of a lower trialkylboron as catalyst therefor
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3386985 |
Triazenometal compounds and method of preparation
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3336282 |
Complexes of azonitriles with friedelcrafts metal halides
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3313741 |
Preparation of stabilized polymerization catalysts and their use
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3275611 |
Process for polymerizing unsaturated monomers with a catalyst comprising an organoboron compound, a peroxygen compound and an amine
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3255168 |
Process for polymerizing or copolymerizing ethylenically unsaturated compounds using a complex organic boron compound as a catalyst
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