NOVEL DOPE FOR FORMING
PURPOSE:To provide the above dope composed of a polymer consisting of a specific constitution unit and a solvent, having excellent flow birefringence, easily taking highly oriented state in molding and capable of giving a molded polyimide article having excellent heat-resistance and mechanical prope...
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| creator | KUNUGI KATSUO SAIKI NORITSUGU |
| description | PURPOSE:To provide the above dope composed of a polymer consisting of a specific constitution unit and a solvent, having excellent flow birefringence, easily taking highly oriented state in molding and capable of giving a molded polyimide article having excellent heat-resistance and mechanical properties. CONSTITUTION:The objective dope is composed of (A) a polymer consisting of a constituent unit of formula (R1 and R2 are groups selected from 1-18C aliphatic hydrocarbon residue or its derivative, hydrocarbon residue containing 6-18C aromatic ring or its derivative and hydrocarbon residue containing 6-18C aliphatic ring or its derivative; R3 is at least one kind of aromatic diamine residue having chain extension bond extended coaxially or nearly coaxially or in antiparallel direction or its derivative) and (B) a solvent capable of forming a high-concentration solution of the component A having a concentration of >=10%. Preferably, the component A has an intrinsic viscosity of >=1.0 and the component B is concentrated sulfuric acid of >=98wt.% concentration or methanesulfonic acid. |
| format | Patent |
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CONSTITUTION:The objective dope is composed of (A) a polymer consisting of a constituent unit of formula (R1 and R2 are groups selected from 1-18C aliphatic hydrocarbon residue or its derivative, hydrocarbon residue containing 6-18C aromatic ring or its derivative and hydrocarbon residue containing 6-18C aliphatic ring or its derivative; R3 is at least one kind of aromatic diamine residue having chain extension bond extended coaxially or nearly coaxially or in antiparallel direction or its derivative) and (B) a solvent capable of forming a high-concentration solution of the component A having a concentration of >=10%. Preferably, the component A has an intrinsic viscosity of >=1.0 and the component B is concentrated sulfuric acid of >=98wt.% concentration or methanesulfonic acid.</description><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; GENERAL PROCESSES OF COMPOUNDING ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; ORGANIC MACROMOLECULAR COMPOUNDS ; SPINNING ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; WORKING-UP</subject><creationdate>1989</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890509&DB=EPODOC&CC=JP&NR=H01115932A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890509&DB=EPODOC&CC=JP&NR=H01115932A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUNUGI KATSUO</creatorcontrib><creatorcontrib>SAIKI NORITSUGU</creatorcontrib><title>NOVEL DOPE FOR FORMING</title><description>PURPOSE:To provide the above dope composed of a polymer consisting of a specific constitution unit and a solvent, having excellent flow birefringence, easily taking highly oriented state in molding and capable of giving a molded polyimide article having excellent heat-resistance and mechanical properties. 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CONSTITUTION:The objective dope is composed of (A) a polymer consisting of a constituent unit of formula (R1 and R2 are groups selected from 1-18C aliphatic hydrocarbon residue or its derivative, hydrocarbon residue containing 6-18C aromatic ring or its derivative and hydrocarbon residue containing 6-18C aliphatic ring or its derivative; R3 is at least one kind of aromatic diamine residue having chain extension bond extended coaxially or nearly coaxially or in antiparallel direction or its derivative) and (B) a solvent capable of forming a high-concentration solution of the component A having a concentration of >=10%. Preferably, the component A has an intrinsic viscosity of >=1.0 and the component B is concentrated sulfuric acid of >=98wt.% concentration or methanesulfonic acid.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | NOVEL DOPE FOR FORMING |
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