SOLUBLE AND HEAT-RESISTANT COPOLYAMIDE
PURPOSE:To obtain the titled copolymer, having a specific structure derived from a phthalic acid derivative and bis(aminophenyl)fluorenes and a diamine and having excellent solubility, high heat resistance, good thermal moldability, mechanical as well as electrical characteristics, etc. CONSTITUTION...
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Format | Patent |
Language | English |
Published |
30.04.1988
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Abstract | PURPOSE:To obtain the titled copolymer, having a specific structure derived from a phthalic acid derivative and bis(aminophenyl)fluorenes and a diamine and having excellent solubility, high heat resistance, good thermal moldability, mechanical as well as electrical characteristics, etc. CONSTITUTION:A copolymer having a structure expressed by formula I [X is formula II; Y consists of a chain member expressed by formula III (R is H, CH3 or C2H5) and the formula -CnH2n-(n is 2-8)] and >=0.25dl/g intrinsic viscosity (etainh) measured by using a solution in 0.5g/100ml concentration in dimethylacetamide as a solvent as 30 deg.C. As raw materials for the above- mentioned copolymer, terephthaloyl chloride is preferred as a raw material for the component expressed by formula II and 1,3-propylenediamine is preferred as a raw material for the component expressed by the formula -CnH2n-. For example, 9,9-bis(4-aminophenyl)fluorene, etc., are used as the raw material for the component expressed by formula III. The above-mentioned copolymer is preferably obtained by polymerizing such raw materials in a solvent while cooling. |
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AbstractList | PURPOSE:To obtain the titled copolymer, having a specific structure derived from a phthalic acid derivative and bis(aminophenyl)fluorenes and a diamine and having excellent solubility, high heat resistance, good thermal moldability, mechanical as well as electrical characteristics, etc. CONSTITUTION:A copolymer having a structure expressed by formula I [X is formula II; Y consists of a chain member expressed by formula III (R is H, CH3 or C2H5) and the formula -CnH2n-(n is 2-8)] and >=0.25dl/g intrinsic viscosity (etainh) measured by using a solution in 0.5g/100ml concentration in dimethylacetamide as a solvent as 30 deg.C. As raw materials for the above- mentioned copolymer, terephthaloyl chloride is preferred as a raw material for the component expressed by formula II and 1,3-propylenediamine is preferred as a raw material for the component expressed by the formula -CnH2n-. For example, 9,9-bis(4-aminophenyl)fluorene, etc., are used as the raw material for the component expressed by formula III. The above-mentioned copolymer is preferably obtained by polymerizing such raw materials in a solvent while cooling. |
Author | TERAMOTO TAKEO INOUE HIROHARU HARADA KAZUAKI |
Author_xml | – fullname: INOUE HIROHARU – fullname: TERAMOTO TAKEO – fullname: HARADA KAZUAKI |
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Notes | Application Number: JP19870047688 |
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RelatedCompanies | NIPPON STEEL CORP NIPPON STEEL CHEM CO LTD |
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Snippet | PURPOSE:To obtain the titled copolymer, having a specific structure derived from a phthalic acid derivative and bis(aminophenyl)fluorenes and a diamine and... |
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SubjectTerms | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
Title | SOLUBLE AND HEAT-RESISTANT COPOLYAMIDE |
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