POLYIMIDE PRECURSOR COMPOSITION AND POLYIMIDE FILM
A precursor composition which can produce a polyimide film with excellent light transmittance, mechanical properties, coefficient of linear thermal expansion and resistance to thermal decomposition; and a polyimide film obtained from the precursor composition. The polyimide precursor composition con...
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| creator | KOHAMA, Yukinori NEMOTO, Yuki ITO, Taichi OKA, Takuya |
| description | A precursor composition which can produce a polyimide film with excellent light transmittance, mechanical properties, coefficient of linear thermal expansion and resistance to thermal decomposition; and a polyimide film obtained from the precursor composition. The polyimide precursor composition contains a polyimide precursor with a repeating unit represented by formula (I); an imidazole compound in an amount more than 0.01 mol and 2 mol or less based on one mol of the repeating units of the polyimide precursor, and a solvent.In general formula I, 70 mol. % or more of X1 is a structure represented by formula (1-1):and 70 mol % or more of Y1 is a structure represented by formula (D-1) and/or (D-2): |
| format | Patent |
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The polyimide precursor composition contains a polyimide precursor with a repeating unit represented by formula (I); an imidazole compound in an amount more than 0.01 mol and 2 mol or less based on one mol of the repeating units of the polyimide precursor, and a solvent.In general formula I, 70 mol. % or more of X1 is a structure represented by formula (1-1):and 70 mol % or more of Y1 is a structure represented by formula (D-1) and/or (D-2):</description><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; 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 ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WORKING-UP</subject><creationdate>2024</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=20240516&DB=EPODOC&CC=US&NR=2024158578A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240516&DB=EPODOC&CC=US&NR=2024158578A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOHAMA, Yukinori</creatorcontrib><creatorcontrib>NEMOTO, Yuki</creatorcontrib><creatorcontrib>ITO, Taichi</creatorcontrib><creatorcontrib>OKA, Takuya</creatorcontrib><title>POLYIMIDE PRECURSOR COMPOSITION AND POLYIMIDE FILM</title><description>A precursor composition which can produce a polyimide film with excellent light transmittance, mechanical properties, coefficient of linear thermal expansion and resistance to thermal decomposition; and a polyimide film obtained from the precursor composition. 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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G 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 ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | POLYIMIDE PRECURSOR COMPOSITION AND POLYIMIDE FILM |
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