| Patent Number |
Title Of Patent |
Date Issued |
| 6495483 |
Linear metallocene polymers containing acetylenic and inorganic units and thermosets and ceramic |
December 17, 2002 |
| Transition metal-containing ceramic or carbonaeous material are formed from novel linear polymers containing a random distribution of repeating acetylenic units, organotransition metal complexes, siloxane, boron, silicon, and/or carborane-siloxane units. The precursor thermosets are |
| 6265336 |
High temperature ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymer |
July 24, 2001 |
| This invention relates to a new class of novel inorganic-organic hybrid ceramics that are formed from novel linear polymers of varying molecular weight and varying carborane content. |
| 6187703 |
High temperature ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymer |
February 13, 2001 |
| This invention relates to a new class of novel inorganic-organic hybrid ceramics that are formed from novel linear polymers of varying molecular weight and varying carborane content. |
| 6025453 |
Linear inorganic-organic hybrid copolymers containing random distribution of boranyl, silyl, or |
February 15, 2000 |
| 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 aryldisilyl group. The boron containing units in and the silicon containing units can |
| 6001926 |
Fiber-reinforced phthalonitrile composite cured with low-reactivity aromatic amine curing agent |
December 14, 1999 |
| A fiber-reinforced phthalonitrile composite is made by impregnating or coating a fibrous material with a phthalonitrile prepolymer mixture containing a phthalonitrile monomer and an aromatic amine curing agent that is thermally stable and nonvolatile at a temperature up to about 375. |
| 5986032 |
Linear metallocene polymers containing acetylenic and inorganic units and thermosets and ceramic |
November 16, 1999 |
| Organometallic linear polymers containing metallocene, inorganic units (such as silicon and boron), and acetylenic units which display superb processability, and which are readily converted to a thermoset through the acetylenic groups, yielding high temperature thermosetting polymers and |
| 5980853 |
Aromatic acetylenes as carbon precursors |
November 9, 1999 |
| A novel compound which polymerizes to a thermoset polymer and which pyrols to amorphous carbon, is selected from the group consisting of: ##STR1## where R.sup.1 is --C.tbd.C.phi.. A novel thermoset polymer is made by heating an aromatic acetylenic monomeric precursor with the formul |
| 5939508 |
High temperature epoxy-phthalonitrile blends |
August 17, 1999 |
| A copolymer is formed from reacting, within a melt, a phthalonitrile resin with an epoxy resin having at least three epoxy groups. In an alternative embodiment, a copolymer is formed by reacting a phthalonitrile resin with an epoxy resin, at least one of the epoxy and phthalonitrile resi |
| 5932335 |
Oxidation resistant fiber-reinforced composites with poly(carborane-siloxane/silane-acetylene) |
August 3, 1999 |
| An oxidation resistant fiber-reinforced composite is made by impregnating a fibrous material with a resin containing a linear polymer having a repeating unit with at least one carboranyl group, at least one silyl or siloxyl group and at least one acetylenic group. The linear polymer may |
| 5925475 |
Phthalonitrile thermoset polymers and composites cured with halogen-containing aromatic amine cu |
July 20, 1999 |
| Phthalonitrile thermoset polymers and composites having flame resistance formed by combining a phthalonitrile monomer in the melt stage with a halogen-containing aromatic amine curing agent. The halogen-containing aromatic amine curing agent is selected from the group consisting of |
| 5895726 |
Lightweight high damping porous metal/phthalonitrile composites |
April 20, 1999 |
| Metal foams are impregnated with a phthalonitrile prepolymer. The metal f/polymer composite formed upon curing has excellent acoustic damping, structural properties, oxidative stability, and flame resistance. Foams of various metals, such as aluminum, titanium, nickel, copper, iron, zin |
| 5874514 |
Siloxane unsaturated hydrocarbon based polymers |
February 23, 1999 |
| This invention relates to a new class of novel linear inorganic-organic hybrid polymers of varying molecular weight that are useful for making high temperature, oxidatively stable thermosets, and these novel linear polymers are in themselves oxidatively stable at high temperatures betwee |
| 5807953 |
Thermostet polymers from inorganic arylacetylenic monomers |
September 15, 1998 |
| The present invention is a thermoset having the repeating unit: ##STR1## where R.sup.1 and R.sup.2 are independently selected from the group consing of hydrogen, unsubstituted alkyl groups, substituted alkyl groups, unsubstituted aryl groups, and substituted aryl groups, where A |
| 5780569 |
Linear carborane-(siloxane or silane)-acetylene based copolymers |
July 14, 1998 |
| 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 acetylenic groups, and one or more silyl or siloxanyl groups. |
| 5681870 |
High temperature thermosets/ceramics from novel hybrid copolymer containing random distribution |
October 28, 1997 |
| 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 least one boranyl group, optionally at least one siloxyl group, and optionally an ary |
| 5679818 |
Inorganic arylacetylenic monomers |
October 21, 1997 |
| The present invention is a compound having the formula:where R.sup.1 and R.sup.2 are independently selected from the group consing of hydrogen, unsubstituted alkyl groups, substituted alkyl groups, unsubstituted aryl groups, and substituted aryl groups, where Ac.sup.1 and Ac.sup.2 are i |
| 5563181 |
Siloxane unsaturated hydrocarbon based thermosetting polymers |
October 8, 1996 |
| This invention relates to a new class of novel inorganic-organic hybrid thermoset polymers that are formed from linear inorganic-organic hybrid polymers of varying molecular weight. These new high temperature oxidatively stable thermosetting polymers are formed from linear polymeric |
| 5552505 |
High temperature copolymers from inorganic-organic hybrid polymers and multi-ethynylbenzenes |
September 3, 1996 |
| 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 form useful articles, adhesives, matrix materials, and coatings for various marine and aerosp |
| 5483017 |
High temperature thermosets and ceramics derived from linear carborane-(siloxane or silane)-acet |
January 9, 1996 |
| 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 carborane content. These novel organoboron thermoset polymers and ceramics contain an unsaturated |
| 5464926 |
Synthesis and polymerization of oligomeric multiple aromatic ether-containing phthalonitriles |
November 7, 1995 |
| Oligomeric monomers are produced by reaction of a bisphenol compound with ther a dihalobenzophenone or a (2,2)bis(4-halophenyl)hexafluoropropane and any other activated halogen containing aromatic compounds in the presence of a base and an appropriate solvent. The resulting oligomeric pr |
| 5389441 |
Phthalonitrile prepolymer as high temperature sizing material for composite fibers |
February 14, 1995 |
| Sized fibers, for use as reinforcements in high temperature polymeric comites, are prepared by coating the outside surface of the fibers with an amorphous, B-stage bisphthalonitrile prepolymer. The prepolymer may be prepared by curing a bisphthalonitrile monomer with an organic amine, a |
| 5352760 |
Polymerization of oligomeric multiple aromatic ether-containing phthalonitriles |
October 4, 1994 |
| Oligomeric monomers are produced by reaction of a bisphenol compound with ther a dihalobenzophenone or a (2, 2) bis (4-halophenyl) hexafluoropropane and any other activated halogen containing aromatic compounds in the presence of a base and an appropriate solvent. The resulting oligomeri |
| 5350828 |
Synthesis and polymerization of dithioether-linked phthalonitrile monomers |
September 27, 1994 |
| Dithioether-linked phthalonitrile monomer are prepared by a substitution reaction between 4-nitrophthalonitrile and a dimercaptan and are polymerized to a high-temperature, oxidation-resistant polymer by heating them at a temperature above their melting point. The rate of polymerizat |
| 5348917 |
Ceramics formed by pyrolysis of either linear or thermosetting carborane (siloxane or silane) ac |
September 20, 1994 |
| Ceramics that are formed from high temperature oxidatively stable thermosetting polymers which, in turn, are formed from linear polymeric materials having repeat units that contain at least one alkynyl group for cross-linking purposes and at least one bis(silyl or siloxanyl)carboranyl |
| 5304625 |
Phosphazene-containing amine as curing agent for phthalonitrile-based polymer |
April 19, 1994 |
| Phosphazene-containing amines having at least one amine or substituted amine moiety reactive with nitrile groups of the phthalonitrile monomers or oligomeric resins are useful curing agents for phthalonitriles. Typically, the phosphazene-containing amines useful as curing agents in t |
| 5292854 |
Synthesis of phthalonitrile resins containing ether and imide linkages with aromatic diamine cur |
March 8, 1994 |
| Imide-containing phthalonitrile monomers are prepared from a phthalonitrile and an aromatic dianhydride. The monomer and a method for preparing the monomer is disclosed. These monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating |
| 5292779 |
Carborane-(silane or siloxane)-unsaturated hydrocarbon based thermosetting polymers |
March 8, 1994 |
| 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 temperature oxidatively stable thermosetting polymers are formed from linear polymeric materials havi |
| 5272237 |
Carborane-(siloxane or silane)-unsaturated hydrocarbon based polymers |
December 21, 1993 |
| 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 these novel linear polymers are in themselves oxidatively stable at high temperatures between |
| 5262514 |
Polymer from diimido-di-phthalonitrile |
November 16, 1993 |
| Substituted and unsubstituted di-phthalonitrile monomers devoid of ether /or phenoxy groups are solid at room temperature and which monomers are defined by the following general formula: ##STR1## where R is an aromatic tetravalent radical, thermoplastic prepolymers and thermoset |
| 5247060 |
Curing phthalonitriles with acid |
September 21, 1993 |
| Curing of phthalonitrile monomers and prepolymers is accelerated by inclusion of an acid curing agent. Cured phthalonitrile polymers have high thermal oxidative stability and are useful as resins in various compositions and as adhesives. |
| 5242755 |
High temperature adhesive |
September 7, 1993 |
| A substrate assembly and method for its preparation, said substrate assem comprising at least two substrates adhesively bonded with a cured thermosetting polymer being able to withstand a temperature of 200.degree.-400.degree. C. which polymer is derived from a diphthalonitrile mono |
| 5237045 |
Curing phthalonitrile resins with acid and amine |
August 17, 1993 |
| Polymerization or cure of di-phthalonitrile monomers or prepolymers by a curing agent selected from (a) an acid and an amine, (b) a salt of an acid and an amine, and (c) mixtures of (a) and (b). In a preferred embodiment, the curing agents are amine salts which are reaction products of a |
| 5208318 |
Phosphazene-containing amine as curing agent for phthalonitrile-base polymer |
May 4, 1993 |
| Phosphazene-containing amines having at least one amine or substituted amine moiety reactive with nitrile groups of the phthalonitrile monomers or oligomeric resins are useful curing agents for phthalonitriles. Typically, the phosphazene-containing amines useful as curing agents in t |
| 5202414 |
Pyrolzed amine cured polymer of dithioether-linked phthalonitrile monomer |
April 13, 1993 |
| Dithioether-linked phthalonitrile monomer are prepared by a substitution reaction between 4-nitrophthalonitrile and a dimercaptan and are polymerized to a high-temperature, oxidation-resistant polymer by heating them at a temperature above their melting point. The rate of polymerizat |
| 5159054 |
Synthesis of phthalonitrile resins containing ether and imide linkages |
October 27, 1992 |
| Imide-containing phthalonitrile monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating imide and ether linkages. The synthesis of the high temperature thermosetting polymers and copolymers is also disclosed. |
| 5132396 |
Phthalonitrile monomers containing imide and/or phenoxy linkages, and polymers thereof |
July 21, 1992 |
| Highly aromatic oligomeric imide-containing phthalonitriles are prepared by reacting an aromatic dianhydride with an aromatic or aliphatic diamine and endcapping the resulting reaction product with 4-aminophthalonitrile. The prepolymers are highly stable to storage. When heated above the |
| 5004801 |
Polymer of dithioether-linked phthalonitrile |
April 2, 1991 |
| Dithioether-linked phthalonitrile monomer are prepared by a substitution reaction between 4-nitrophthalonitrile and a dimercaptan and are polymerized to a high-temperature, oxidation-resistant polymer by heating them at a temperature above their melting point. The rate of polymerizat |
| 5003078 |
Synthesis of phthalonitrile resins containing ether and imide linkages |
March 26, 1991 |
| Imide-containing phthalonitrile monomers are prepared from a phthalonitrile and an aromatic dianhydride. The monomer and a method for preparing the monomer is disclosed. These monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating |
| 5003039 |
Amino phenyl containing curing agent for high performance phthalonitrile resin |
March 26, 1991 |
| High temperature polymeric materials, which are easily process into void-free components, are needed for use in composites for advanced aerospace applications. These materials could bridge the gap between currently-used polymeric materials and ceramics or metal. Phthalonitrile resins |
| 4619986 |
Epoxy phthalonitrile polymers |
October 28, 1986 |
| A bisorthodinitrile monomer having the formula: ##STR1## and an epoxy monomer having the formula:are mixed with or without an amine curing agent and heated to a temperature ufficient to induce polymerization. The resulting epoxy-phthalonitrile copolymer has improved properties relativ |
| 4587325 |
Processable and stable conductive polymers from diether-linked bisorthodinitrile monomers |
May 6, 1986 |
| A diether-linked bisorthodinitrile monomer having the formula: ##STR1## is mixed with an amine curing agent and heated to a temperature sufficient o induce polymerization. The resulting polymer has a range of conductivity which is a function of the cure time and temperature. |
| 4482702 |
Fl Polyesters |
November 13, 1984 |
| Fluorinated prepolymers prepared by non-stoichiometrically reacting an alcohol having at least alcoholic carbons and at least one trifluoromethylene group attached to each alcoholic carbon with a fluorinated polycarboxylic acid having at least one methylene group between each carboxy |
| 4477643 |
Fluorinated polyurethanes |
October 16, 1984 |
| Novel polymers and prepolymers are formed by reacting a fluorinated terti polyfunctional alcohol with an aliphatic diisocyanate or a biuret derivative of said diisocyanate in the presence of a suitable catalyst and in the absence of solvent. The novel polymers and prepolymers exhibit lo |
| 4410676 |
Phenolic-cured phthalonitrile resins |
October 18, 1983 |
| Phthalonitrile resins are obtained from polymerizing a phthalonitrile monr with a phenolic compound. |
| 4409382 |
Synthesis and polymerization of phthalonitrile monomers containing multiple phenoxy and sulfone |
October 11, 1983 |
| Oligomeric polyarylether sulfone phthalonitrile monomer represented by the ormula. ##STR1## wherein A represents an aromatic unit having from 1 to 3 attached or fused aromatic rings, said rings being attached directly or through an aliphatic group, sulfur, or oxygen; and n represe |
| 4408035 |
Phthalonitrile resin from diphthalonitrile monomer and amine |
October 4, 1983 |
| Phthalonitrile resins useful as high-temperature coatings and plastics and n high-temperature composites are obtained by heating a diphthalonitrile monomer with a primary amine from a temperature from about the melting point of the monomer to about the decomposition temperature of the res |
| 4351776 |
Preparation of iodophthalonitrile |
September 28, 1982 |
| Iodophthalonitrile is prepared by mixing aminophthalonitrile with sulfuric acid at a temperature below 25.degree. C., reacting that product with sodium nitrite at a temperature below 15.degree. C., and reacting that product with potassium iodide at a temperature below 20.degree. C. A |
| 4315093 |
Fluorinated polyphthalocyanines |
February 9, 1982 |
| A fluorinated phthalonitrile of the general formula: ##STR1## wherein R' is F or CF.sub.3, R is (CF.sub.2).sub.p, m is 1 or 2, n is 1 or , p is an integer from 3 to 30, X is 0, 1, 2, or 3, y is 0, 1, 2, or 3 and z is 0 or 1 is prepared by reacting 4-iodophthalonitrile with the app |
| 4307035 |
Method of synthesizing resin prepolymers |
December 22, 1981 |
| An improved method of synthesizing bisorthodinitriles having the formula: ##STR1## where R is an aliphatic or aromatic radical, which involves dissolving the eactants in a dipolar aprotic solvent such as dimethylformamide, and heating the mixture to reflux until the completion of the |
| 4304896 |
Polyphthalocyanine resins |
December 8, 1981 |
| The synthesis and subsequent polymerization of highly aromatized phthalonile monomers which contain phenoxy linkages having a substantially aromatic spacer moiety between the two terminal phthalonitrile groups is disclosed. The phthalonitriles are synthesized by a nucleophilic displ |
