| Patent Number |
Title Of Patent |
Date Issued |
| 4521623 |
2,2-Bis[(2-halo-4-aminophenoxy)phenyl]-hexafluoropropane |
June 4, 1985 |
| There are provided the aromatic diamines 2,2-bis-[(2-halo-4-aminophenoxy)-phenyl]hexafluoropropane, where the attached ortho halogen is preferably chlorine, and 4,4'-bis(4-aminophenoxy)biphenyl, as novel monomers for polyimide polymerizations. The former, when reacted with 2,2-bi |
| 4477648 |
High-temperature polyimides prepared from 2,2-bis-[(2-halo-4-aminophenoxy)-phenyl]hexafluoroprop |
October 16, 1984 |
| There are provided the aromatic diamines 2,2-bis-[(2-halo-4-aminophenoxy)-phenyl]hexafluoropropane, where the attached ortho halogen is preferably chlorine, and 4,4'-bis(4-aminophenoxy)biphenyl, as novel monomers for polyimide polymerizations. The former, when reacted with 2,2-bi |
| 4283521 |
Curable aromatic epoxy-polyimide and cycloaliphatic epoxy-polyimide compositions |
August 11, 1981 |
| A prepolymer is comprised of the reaction product of at least one aliphatic bismaleimide, at least one aromatic amine and at least one aromatic bismaleimide in combination with an aromatic and/or a cycloaliphatic epoxy resin providing at least two functional epoxy groups to provide a low |
| 4273916 |
Curable cycloaliphatic epoxy-polyimide compositions |
June 16, 1981 |
| A prepolymer comprised of the reaction product of at least one aliphatic bismaleimide, at least one aromatic amine and at least one aromatic bismaleimide is combined with at least one cycloaliphatic epoxy resin having a melting point less than about 120.degree. F. and at least two fu |
| 4269961 |
Low temperature curable compliant bismaleimide compositions |
May 26, 1981 |
| Polyimide prepolymers formed by thermo-reactions of an aliphatic bismaleimide, where the aliphatic group is a polyaliphatic ether, with an aromatic bismaleimide and/or an aromatic diamine in combination with a trismaleimide which are curable upon addition of an acid catalyst and/or h |
| 4237262 |
Curable aliphatic epoxy-polimide compositions |
December 2, 1980 |
| A prepolymer is comprised of the reaction product of at least one aliphatic bismaleimide, at least one aromatic amine and at least one aromatic bismaleimide in combination with an aliphatic epoxy resin providing at least two functional epoxy groups to provide a low temperature curable |
| 4229550 |
Flexibilized vinyl polybutadiene maleimide resins |
October 21, 1980 |
| Vinyl polybutadiene maleimide prepolymers which are peroxide curable are provided. The prepolymers are formed from the reaction product of a vinyl polybutadiene providing pendant vinyl groups and a maleimide and, more particularly, a mixture of aliphatic maleimides with cycloaliphatic or |
| 4203922 |
Fluorinated aromatic diamine |
May 20, 1980 |
| This invention relates to a novel aromatic diamine and more particularly to the use of said diamine for the preparation of thermally stable high-molecular weight polymers including, for example, polyamides, polyamideimides, polyimides, and the like. This diamine is obtained by reacti |
| 4196277 |
Perfluoroisopropylidene dianhydride and polyimides prepared therefrom |
April 1, 1980 |
| This invention relates to a novel aromatic dianhydride and more particularly to the use of said dianhydride for the preparation of thermally stable high-molecular weight polymers including, for example, polybenzimidazoles, polypyrrones, polyimides, and the like. This dianhydride is o |
| 4179551 |
Low temperature curable compliant bismaleimide compositions |
December 18, 1979 |
| Polyimide prepolymers formed by thermo-reactions of an aliphatic bismaleimide, where the aliphatic group is a polyaliphatic ether, with an aromatic bismaleimide and/or an aromatic diamine in combination with a cross-linking agent having at least two vinyl groups provide compositions |
| 4173700 |
Bis (difluoromaleimide) capped propolymers and polymers |
November 6, 1979 |
| End-capping an aromatic diamine or a precursor formed by reaction of an aromatic diamine with an aromatic dianhydride with difluoromaleic anhydride yields prepolymers which thermally cure at temperatures from about 150.degree. to about 200.degree. C. to form polymers which display lo |
| 4116937 |
Compliant maleimide based plastics |
September 26, 1978 |
| Polyaminobismaleimides having superior thermomechanical properties can be produced by reacting maleimide terminated polyaliphatic ethers and maleimide terminated aromatic compounds with an aromatic diamine. These bismaleimide polymers display high recoverable elongation together with |
| 4111906 |
Polyimides prepared from perfluoroisopropylidene diamine |
September 5, 1978 |
| This invention relates to a novel aromatic diamine and more particularly to the use of said diamine for the preparation of thermally stable high-molecular weight polymers including, for example, polyamides, polyamideimides, polyimides, and the like. This diamine is obtained by reacti |
| 4032546 |
Bis(benzil) type compounds containing one or two furan moieties |
June 28, 1977 |
| A monomeric bis (benzil) composition is produced by reacting furfural with an aromatic dialdehyde, the product having the structure: ##STR1## wherein R is a difunctional aromatic radical, R' is a hydrogen, a phenylene, or a furan radical, and R" is a hydrogen or or an alkyl subst |
| 3975363 |
Poly(diels-alder) polymer |
August 17, 1976 |
| Linear polymers are produced by the reaction of an olefinic end-capped bis(imide) or bis(amide) compound, i.e. a dieneophile with a furfuryl or furan end-capped bis(imide) or bis(amide) compound, i.e. a diene. These linear polymers have an alicyclic endooxy linkage repeated throughout th |
| 3967091 |
Capillary flow weld-bonding |
June 29, 1976 |
| Structurally stronger titanium articles are produced by a weld-bonding technique comprising fastening at least two plates of titanium together using spot-welding and applying a bead of adhesive along the edge of the resistance spot-welded joint which, upon heating, flows and fills the |
| 3953544 |
Low temperature curing adhesives |
April 27, 1976 |
| A low temperature curing polymeric adhesive composition may be made by reacting an amino alcohol having between 1 and 3 amino groups and between 2 and 5 hydroxyl groups with a stoichiometric amount of a carboxylic acid or derivative. Free radical catalysts and accelerators may be added t |
| 3951902 |
Polyimide sealant composition |
April 20, 1976 |
| A compliant polyimide having superior thermal-mechanical properties can be produced by reacting an aromatic bis(furfurylimide) with an aliphatic ether bis(maleimide) via a Diels-Alder reaction. These polyimides display a long-term thermal-oxidative stability and a high percent recoverabl |
| 3931354 |
Reaction products of carboxyl terminated 1,2-polybutadiene with epoxides and aromatic bis(maleim |
January 6, 1976 |
| A functionally terminated polybutadiene polymer is reacted with an epoxide to produce an epoxide terminated polybutadiene. A crosslinking agent and a peroxide free radical initiator are mixed with the epoxy terminated polybutadiene, and upon reaction, a thermoset resin is produced having |
