COMPOSITION FOR POLYIMIDE RESIN
PURPOSE:To obtain a composition for a polyimide resin improved in heat resistance, dimensional stability, mechanical strengths, etc., by mixing a specified polyamide resin and carbon fibers. CONSTITUTION:A polyamic acid represented by formula II (wherein R is a tetravelent group selected from among...
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| creator | KOGA NOBUSHI BABA KENICHI YAMATANI NORIMASA |
| description | PURPOSE:To obtain a composition for a polyimide resin improved in heat resistance, dimensional stability, mechanical strengths, etc., by mixing a specified polyamide resin and carbon fibers. CONSTITUTION:A polyamic acid represented by formula II (wherein R is a tetravelent group selected from among a 2 C or higher aliphatic group, a cycloaliphatic group, a monocyclic aromatic group, a fused polycyclic aromatic group and a nonfused polycyclic aromatic group composed of aromatic groups bonded to each other directly or through bridging members) and obtained by reacting an ether diamine represented by formula I (wherein Y is a 1-10C bivalent hydrocarbon group, hexafluoroisopropylidene, carbonyl, thio, sulfinyl or oxido) with a tetracarboxylic acid dianhydride is cyclized through dehydration to obtain a polyimide resin comprising repeating units represented by formula III. 100 pts.wt. this resin is mixed with 5-100 pts.wt. carbon fibers having a diameter of 5-20mum and an aspect ratio of 1-600. |
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CONSTITUTION:A polyamic acid represented by formula II (wherein R is a tetravelent group selected from among a 2 C or higher aliphatic group, a cycloaliphatic group, a monocyclic aromatic group, a fused polycyclic aromatic group and a nonfused polycyclic aromatic group composed of aromatic groups bonded to each other directly or through bridging members) and obtained by reacting an ether diamine represented by formula I (wherein Y is a 1-10C bivalent hydrocarbon group, hexafluoroisopropylidene, carbonyl, thio, sulfinyl or oxido) with a tetracarboxylic acid dianhydride is cyclized through dehydration to obtain a polyimide resin comprising repeating units represented by formula III. 100 pts.wt. this resin is mixed with 5-100 pts.wt. carbon fibers having a diameter of 5-20mum and an aspect ratio of 1-600.</description><edition>6</edition><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>1996</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=19960213&DB=EPODOC&CC=JP&NR=H0841338A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960213&DB=EPODOC&CC=JP&NR=H0841338A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOGA NOBUSHI</creatorcontrib><creatorcontrib>BABA KENICHI</creatorcontrib><creatorcontrib>YAMATANI NORIMASA</creatorcontrib><title>COMPOSITION FOR POLYIMIDE RESIN</title><description>PURPOSE:To obtain a composition for a polyimide resin improved in heat resistance, dimensional stability, mechanical strengths, etc., by mixing a specified polyamide resin and carbon fibers. 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CONSTITUTION:A polyamic acid represented by formula II (wherein R is a tetravelent group selected from among a 2 C or higher aliphatic group, a cycloaliphatic group, a monocyclic aromatic group, a fused polycyclic aromatic group and a nonfused polycyclic aromatic group composed of aromatic groups bonded to each other directly or through bridging members) and obtained by reacting an ether diamine represented by formula I (wherein Y is a 1-10C bivalent hydrocarbon group, hexafluoroisopropylidene, carbonyl, thio, sulfinyl or oxido) with a tetracarboxylic acid dianhydride is cyclized through dehydration to obtain a polyimide resin comprising repeating units represented by formula III. 100 pts.wt. this resin is mixed with 5-100 pts.wt. carbon fibers having a diameter of 5-20mum and an aspect ratio of 1-600.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | COMPOSITION FOR POLYIMIDE RESIN |
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