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8097683 |
Polyhedral oligomeric silsesquioxane and carborane containing network polymers
A thermoset and method of making such by crosslinking a mixture of a polyhedral oligomeric silsesquioxane having pendent siloxane groups or unsaturated carbon bonds and a siloxylcarborane compound...
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8021756 |
Microlens array
The present invention provides a microlens array produced by molding a resin obtained by reacting a silicon compound with a boron compound or an aluminum compound, in which the silicon compound is...
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7897715 |
Copolymers and ceramic-carbonaceous solids from divinyl aromatic ether oligomers and divinyl carborane siloxane
A method and product thereof made by: reacting a carborane-containing compound and an aromatic compound (below) with a crosslinker having at least two silyl hydrogen atoms. R is alkyl, aryl,...
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7816562 |
Amido-organoborate initiator systems
The invention is amido-borate compounds containing one or more anionic amido-borate moieties comprising an organoborate anion wherein the boron atom is bonded to a nitrogen atom of ammonia or an...
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7737241 |
Amido-organoborate initiator systems
The invention is a system for initiating free radical polymerization comprising: a) in one part, one or more amido-borate compounds containing one or more anionic amido-borate moieties comprising...
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7723454 |
Coating of organic fibers with siloxane-carborane polymers
A fiber of linear polymer coated with a siloxane-carborane polymer or a thermoset or ceramic made therefrom. An organic fiber coated with a siloxane-carborane polymer or a thermoset or ceramic made...
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7705100 |
Coating of organic fibers with siloxane-carborane polymers
A fiber of linear polymer coated with a siloxane-carborane polymer or a thermoset or ceramic made therefrom. An organic fiber coated with a siloxane-carborane polymer or a thermoset or ceramic made...
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7658778 |
Ceramic filters formed from photocurable pre-ceramic polymers
A method for making high temperature filter media includes the steps of melt-spinning a plurality of fibers of pre-ceramic thermoplastic polymer to form a non-woven textile web of the fibers,...
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7655738 |
Polyhedral oligomeric silsesquioxane and carborane containing network polymers
A thermoset and method of making such by crosslinking a mixture of a polyhedral oligomeric silsesquioxane having pendent siloxane groups or unsaturated carbon bonds and a siloxylcarborane compound...
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7655750 |
Process for the continuous preparation and isolation of soluble preceramic oligomers and/or polymers
The invention relates to a method for continuously producing pre-ceramic polymers. The inventive method consists in synthesizing polymers, in separating polymers from a reaction mixture and in...
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7649068 |
Polymer particles and encapsulated compositions using organoborane amine complexes
A polymerized product is obtained from a mixture containing (i) a free radical polymerizable monomer, oligomer or polymer; (ii) an organoborane amine complex, (iii) a poor or non-solvent for the...
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7605200 |
Boron loaded scintillator
A scintillating composition for detecting neutrons and other radiation comprises a phenyl containing silicone rubber with carborane units and at least one phosphor molecule. The carborane units can...
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7449535 |
Synthesis of elastomeric carborane-siloxanes by hydrosilation reactions
A carborane-siloxane compound is provided having the repeat unit Q contains any of —SiR2—, —SiR2—O—, —C≡C—C≡C—, carboranyl, and U′. Each R and R′ is alkyl, aryl, alkylaryl, haloalkyl, haloaryl, or...
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7012124 |
Solid polymeric electrolytes for lithium batteries
Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to...
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6641923 |
Weldable coating compositions having improved intercoat adhesion
A weldable curable coating composition with improved intercoat adhesion is disclosed comprising a resinous binder comprising a polymer (A) with functional groups and a crosslinking agent with...
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6225247 |
Polymer precursor composition, crosslinked polymers, thermosets and ceramics made with silyl and siloxyl substituted carboranes with unsaturated organic end groups
A precursor composition includes (1) at least one crosslinking compound represented by the formula: ##STR1##wherein: u and x are independently selected positive integers, v and w are independently...
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6093840 |
Silylalkylboranes, oligo or polyborocarbosilazanes and silicon carbonitride ceramics
Molecular silylalkylboranes, a process for their preparation, oligo- or polyborocarbosilazanes, a process for their preparation and their use and silicon carbonitride ceramics and a process for...
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6025453 |
Linear inorganic-organic hybrid copolymers containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units
An organoboron polymer having a backbone with a repeating of at least one kynyl group, at least one silyl group, at least one boranyl group, optionally at least one siloxyl group, and optionally an...
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5969072 |
Silyl and siloxyl substituted carboranes with unsaturated organic end groups
Carborane-silane/siloxane compounds having unsaturated organic end groups e represented by the formula: ##STR1## wherein: u and x are independently selected positive integers, v and w are...
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5872070 |
Pyrolysis of ceramic precursors to nanoporous ceramics
The present invention provides for amorphous, nanoporous, ceramic material having a surface area in excess of 70 m2 /gm and characterized by a high content of open microporous cell structure...
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5807953 |
Thermostet polymers from inorganic arylacetylenic monomers
The present invention is a thermoset having the repeating unit: ##STR1## where R1 and R2 are independently selected from the group consing of hydrogen, unsubstituted alkyl groups, substituted alkyl...
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5807905 |
Borate photoinitiators from polyboranes
Compounds of the formula I ##STR1## in which n and o are a number from 0 to 50, m is a number from 1 to 50, u and v are 0 or 1, and at least one of the indices u and v is 1, R1, R2, R2a, R3 and R4...
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5780569 |
Linear carborane-(siloxane or silane)-acetylene based copolymers
A novel organoboron polymer and its method of preparation is claimed. The organoboron polymer has a backbone having a repeating unit comprising at least one carboranyl group, at least two...
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5756629 |
Method for synthesis of linear inorganic-organic hybrid polymers
A method of preparing a linear inorganic-organic hybrid polymer includes the steps of cooling a reaction medium to a first starting temperature below the ambient temperature and not less than about...
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5681870 |
High temperature thermosets/ceramics from novel hybrid copolymer containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units
Novel class of organoboron thermosetting polymer and ceramics that are fod from an organoboron polymer having a backbone with a repeating of at least one alkynyl group, at least one silyl group, at...
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5552505 |
High temperature copolymers from inorganic-organic hybrid polymers and multi-ethynylbenzenes
Copolymers are formed from aromatic acetylenic monomers, or prepolymers fed therefrom, and carborane-(siloxane or silane)-unsaturated hydrocarbon polymers. These copolymers can be used as is to...
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5543485 |
Process for the production of preceramic polyborosilazanes and ceramic material derived thereform
The present invention relates to novel preceramic oligo- or polyborosilazane compounds having the structural feature Si--N--B, and to a ceramic material based on SiN and BN, to a process for the...
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5483017 |
High temperature thermosets and ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers
This invention relates to a new class of novel inorganic-organic hybrid thermosetting polymers and ceramics that are formed from novel linear polymers of varying molecular weight and varying...
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5364920 |
Method of crosslinking polysilazane polymers
The present invention describes a novel method for crosslinking polysilazane polymers having Si--H or N--H bonds. The method comprises mixing the polysilazane with a silazane crosslinker having at...
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5319021 |
Organosilicone composition
Bouncing putty type polysiloxane-boron compounds are modified with the homogeneous addition of from about 1% by weight to about 60% by weight of discrete elastic particles of natural rubber or...
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5292830 |
Thermosetting copolymers, silicon carbide-based fiber and processes for producing same
A thermoplastic silicon-containing polymer, which may be a precursor of SiC, and which can be transformed to a thermosetting polymer by copolymerizing it with a thermosetting perhydropolysilazane...
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5292779 |
Carborane-(silane or siloxane)-unsaturated hydrocarbon based thermosetting polymers
This invention relates to a new class of novel inorganic-organic hybrid polymers that are formed from linear inorganic-organic hybrid polymers of varying molecular weight. These new high...
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5290897 |
Low temperature vulcanizing carborane siloxane adhesive
A carborane siloxane base polymer is formulated into a crosslinked, rubbery high temperature material by incorporating a vinyl group in the backbone of the polymer. By careful control of process...
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5272237 |
Carborane-(siloxane or silane)-unsaturated hydrocarbon based polymers
This invention relates to a new class of novel linear inorganicorganic hybrid polymers of varying molecular weight that are useful for making high temperature, oxidatively stable thermosets, and...
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5208310 |
Method for preparation of very high molecular weight polycarborane siloxanes
An improved method for the preparation of very high molecular weight polycarborane siloxane polymers in which each of the reactants is first provided in an ultra-pure state by a series of...
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5118774 |
Boron/nitrogen preceramic polymers and boron nitride ceramic materials produced therefrom
Crosslinked random boron/nitrogen preceramic polymers are prepared by reacting (a) admixture of a trihalogenoborane A and a cyclic boron/nitrogen compound B containing recurring structural units of...
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5116791 |
Composite boron nitride/silicon ceramic materials
Novel composite ceramic materials include a boron nitride matrix and an amount of silicon components compatible therewith; such ceramic materials comprise a core volume having an external sheath...
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5098747 |
Coating compositions containing (poly)borosiloxanes and a process for preparing vitreous coatings
The invention related to coating compositions containing (poly)borosiloxanes, which contain at least one other component selected from lead, boron and aluminum compounds and talc, and to a process...
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5045399 |
Organoborosilazane polymers
Preceramic polymers which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other normally oxidizable materials are prepared...
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4946919 |
Boron ceramics from carboralated diacetylene polymers
Boron-containing ceramics are formed from organoboron preceramic polymers which are carboralated acetylenic polymers. The polymers can be formed by carboralating acetylenic or diacetylenic diols...
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4550151 |
Organoborosilicon polymer and a method for the preparation thereof
The invention provides a novel organoborosilicon polymer comprising two types of the recurring monomeric units represented by the general formulas of, one, --SiR12 --CH2 -- and, the other, --BR2...
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4405687 |
Polyborosiloxane composition for production of electrically insulating layer and insulated electric wire using the composition
A polyborosiloxane composition to be used for the formation of an insulating layer on an electric conductor comprises (A) a polyborosiloxane produced by the reaction of boric acid, a boric acid...
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4374933 |
Method of preparation of porous membranes and adsorbents
Silicic acid heteropolycondensates made from hydrolyzable silicic acid derivatives and substituted silanes, optionally with either or both of one or more functional silanes and non-volatile metal...
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4361679 |
Process for producing heat-resistant and moisture-resistant polyborometallosiloxanes
A process for producing a heat-resistant and moisture-resistant polyborometallosiloxane, which comprises adding a metal compound and a compound capable of easily forming a complex with the metal...
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4242487 |
Process for producing heat-resistant semi-inorganic compounds
A heat-resistant semi-inorganic compound useful as a material for various at-resistant materials is produced by reacting an organoborosiloxane compound with at least one of aliphatic polyhydric...
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4235987 |
Method for producing carborane-siloxane polymers directly from carborane
A method is disclosed for preparing carborane-siloxane polymers directly from carborane which comprises reacting and polymerizing a dilithio salt of a carborane with a bis-halo-ended siloxane. This...
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4229560 |
Thermostable nitrogen containing heterocyclic polymers and process for producing
A thermostable heterocyclic polymer constituted by monomer units of the general formula ##STR1## where R1 and R2 denote an organic radical having from 2 to 1000 carbon atoms; a radical having 2 to...
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4228270 |
Polyborodiphenylsiloxanes
A polyborodiphenylsiloxane having main repeating units of the formula, ##STR1## wherein X is a hydrogen atom or ##STR2## and a weight-average molecular weight of about 800 to about 5,000, and a...
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4208492 |
High molecular weight carborane-siloxane block copolymers and method for their preparation
Elastomeric high molecular weight alternating and random block copolymers are disclosed which comprise blocks of a soft carborane-siloxane elastomer and blocks of a high performance rigid polymer....
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4145504 |
High temperature carborane-siloxane elastomers intermediate polymeric products and process for preparation
Carborane-siloxane polymers are conveniently prepared by the polymerization of a carborane disilanol and either a silyl diamine, a ureido-silane, or a silyl dicarbamate. The resulting linear...
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