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7635740 |
Method for radical emulsion polymerisation using hydrosoluble alkoxyamines
The present invention relates to a process for radical emulsion, miniemulsion or microemulsion polymerization employing at least one water-soluble alkoxyamine. This process makes it possible to...
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7619045 |
Water-soluble or water-dispersible acrylic dispersants obtained by controlled radical polymerization
The present invention relates to a process for the preparation in aqueous solution of water-soluble acrylic polymers or for the preparation in aqueous dispersion of water-dispersible acrylic...
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7592392 |
Synthesis of functional polymers for use in organic synthesis and combinatorial chemistry
The present invention relates to a novel process for the preparation of solid-supported scavenging reagents and solid-supported functional polymers. The invention further relates to novel...
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7566754 |
Process for making contact lenses from prepolymers
The invention relates to novel crosslinkable copolymers which are obtainable by
(a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least...
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7524912 |
Preparation of linear ethylene-acrylate copolymers with palladium catalysts and free radical scavengers
A polymerizable composition including a late transition metal complex, a non-polar olefin, a polar olefin, and a free radical scavenger, wherein the polymerizable composition is capable of forming...
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7378034 |
Ionic compounds with a delocalized anionic charge, and their use as ion conducting components or as catalysts
The invention relates to an ionic compound corresponding to the formula [R 1 X 1 (Z 1 )-Q − -X 2 (Z 2 )-R 2 ] m M m+ in which M m+ is a cation of valency m, each of the groups X i is S=Z 3 ,...
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7375175 |
Dispersions containing living radicals
A dispersion of polymer particles, the particle containing, on average, one or more living radicals each, the radicals not being chemically protected. Further disclosed is a free radical...
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7361702 |
Coating compositions
The invention provides coating material compositions comprising stable adducts which, at relatively high temperatures, generate radicals that possess initiating activity, and also provides...
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7351781 |
Synthesis of vinyl polymers by controlled radical polymerization
A controlled free radical polymerization process, which includes the steps of: adding a monofunctional iniferter compound to an oxygen-free solvent; heating the solution to a temperature sufficient...
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7345120 |
Moisture cure non-isocyanate acrylic coatings
An acrylic polymer having pendant alkoxysilane comprising the free radical reaction product of a polysiloxane, an N-alkylphosphonate N-oxylalkyl ester initiator; and ethylenically unsaturated...
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7332552 |
Low odor chain transfer agents for controlled radical polymerization
The present invention relates to low odor α-cyano-dithiocarboxylic ester compounds of formula I for use as chain transfer agents in free radical polymerizations, and polymerization processes...
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7329713 |
Coating, laminating, and casting compositions and methods of producing and curing same
Zero VOC compositions are described and may include: one of vinyl ester solids, unsaturated polyester solids (e.g., isophthalic polyester, orthophthalic polyester, terephthalic polyester, and...
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7323517 |
Composition and process for enhancing controlled free radical polymerization
The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent...
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7312254 |
High temperature stabilization of UV systems
A composition comprising one or more radiation curable monomers and/or oligomers and one or heat stable composition comprising at least one radiation-curable alpha, beta-ethylenically unsaturated...
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7300990 |
Zwitterionic polymers
Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For...
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7297819 |
Open-chain alkoxyamines and their corresponding nitroxides for controlled low temperature radical polymerization
The present invention relates to open chain alkoxyamine compounds, a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one open chain...
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7294742 |
Ring-opened azlactone initiators for atom transfer radical polymerization
Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
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7268189 |
Polymers
The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least...
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7250479 |
Polymerization with living characteristics
This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of...
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7196206 |
Asymmetrical linear organic oligomers
The invention relates to asymmetrical linear organic oligomers represented by the following formula (I),
X—R 1 Ar n R 2 ...
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7153917 |
(Co)polymers and method for the radical (co)polymerization of olefinically unsaturate monomers
(Co)polymers preparable by free-radical (co)polymerization of olefinically unsaturated monomers in the presence of at least one thiocarbamate-functional organic compound, processes for preparing...
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7132462 |
Two-component dental materials having a low setting temperature
The invention relates to polymerizable materials comprising two components, where component I comprises: (a) from 0.1 to 20% by weight of at least one vinyl ether, (b) from 10 to 89.9% by weight of...
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7126013 |
Mono-, oligo- and polymers comprising fluorene and aryl groups
Mono-, oligo- or polymers comprising at least one 9-H,H-fluorene group and at least one arylene group are suitable for use as semiconductors or charge transport materials in optical, electrooptical...
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7091283 |
Crosslinkable prepolymers from a hydrophilic monomer and a hydrophobic crosslinker
The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one...
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7074860 |
Composition and process for enhancing controlled free radical polymerization
The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent...
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7012119 |
Cleaving and replacing thio control agent moieties from polymers made by living-type free radical polymerization
A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free...
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6982288 |
Medical compositions containing an ionic salt, kits, and methods
A hardenable medical composition (preferably, dental composition) that includes an ionic redox polymerization system and at least one secondary ionic salt that includes a cation selected from the...
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6974853 |
Acrylate contact adhesive materials having tight molecular weight distribution
An initiator system for radical polymerization, which comprises a combination of compounds of the formulae:
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6969749 |
Azlactone initiators for atom transfer radical polymerization
Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
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6967228 |
Stable free radical polymers
A functional polymer having at least one substituent capable of forming a stable free radical is formed by polymerizing a diene monomer, such as butadiene, to form a first polymer block of the...
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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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6936670 |
Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
The instant invention relates to multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulatros/initiators....
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6919409 |
Removal of the thiocarbonylthio or thiophosphorylthio end group of polymers and further functionalization thereof
A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free...
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6911510 |
Azlactone chain transfer agents for radical polymerization
Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
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6911511 |
Controlled radical polymerization process using a small amount of stable free radical
The invention relates to a process for the polymerization of at least one monomer which can be polymerized via a radical route, in the presence of a stable free radical and of a polymerization...
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6900268 |
Method of grafting ethylenically unsaturated carboxylic acid derivatives onto thermoplastic using hydroxylamine esters
The invention relates to a method of grafting unsaturated carboxylic acid derivatives onto thermoplastic polymers, which comprises heating a mixture of thermoplastic polymer, unsaturated carboxylic...
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6861103 |
Synthesis of functional polymers and block copolymers on silicon oxide surfaces by nitroxide-mediated living free radical polymerization in vapor phase
Nitroxide mediated free radical polymerization of vaporized vinyl monomers, including acrylic acid (AAc), styrene (St), N-2-(hydroxypropyl)methacrylamide (HPMA) and N-isopropyl acrylamide (NIPAAm),...
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6858681 |
Process for producing olefinic polymer
The process for producing an olefinic polymer comprises introducing a saturated aliphatic hydrocarbon in a liquid phase state and in a vapor phase state into the aforementioned fluidized-bed and...
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6852775 |
Polymerizable dental compositions
The invention relates to polymerizable dental compositions which contain
(a) 10 to 98.999 wt.-% of at least one bi- or higher-functional ethylenically unsaturated monomer, (b) 0 to 88.999...
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6844407 |
Control agents for living-type free radical polymerization, methods of polymerizing and polymers with same
Control agents that have a nitrogen-nitrogen bond covalently bonded to a thiocarbonyl moiety are provided for living-type free radical polymerization of a wide variety of monomers. These control...
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6844405 |
(CO)polymerization of vinyl chloride in the presence of a stable nitroxyl radical
The present invention pertains to a process for controlled free radical polymerization or copolymerization of vinyl chloride at a temperature between 40° C. and 95° C., at a pressure between 5...
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6825290 |
Process for the preparation of latices using block copolymers as surfactants
A subject-matter of the present invention is a process for the preparation of a latex by radical aqueous emulsion polymerization in the presence of at least one ethylenically unsaturated monomer,...
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6818716 |
Azlactone photoiniferters for radical polymerization
Photoiniferters for controlled radical polymerizations and telechelic copolymers comprising polymerized units of one or more free radically (co)polymerizable monomers having a first azalactone...
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6809165 |
Method for producing polymers
A process for the preparation of polymers is described, wherein at least one first ethylenically unsaturated monomer is subjected to a free radical polymerization in the presence of stable free...
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6800708 |
Oligomeric and polymeric telechelics
The invention relates to a new process for the preparation of functionalized telechelics based on vinyl polymers, the telechelics prepared in this way and their use in the plastics, fibers or...
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6787594 |
Reduced formaldehyde nonwoven binders which contain polymerized units of N-methylolacrylamide
The invention is the use of a glycolic acid adduct of sodium sulfite as the reducing agent in the redox couple for polymerization of vinyl acetate polymer based emulsions for nonwoven binders which...
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6784264 |
Azlactone initiators for nitroxide-mediated polymerization
Initiators for nitroxide-mediated radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
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6784265 |
Ring-opened azlactone initiators for nitroxide-mediated polymerization
Initiators for nitroxide-mediated radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
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6762263 |
High-solids coatings resins via controlled radical polymerization
Processes for the controlled radical polymerization of acrylic and related polymers to produce improved low VOC coating materials, or powder coating compositions, the novel polymers so produced,...
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6740720 |
Water-soluble homopolymers and copolymers having an improved environmental acceptability
The invention relates to water-soluble homopolymers and copolymers, which comprise an EbC50 value according to the algae toxicity test of <i> Scenedesmus subspicatus</i> of grater than...
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