PREPARATION OF GRAFT COPOLYMER

PREPARATION OF GRAFT COPOLYMER

PURPOSE:To prepare the title copolymer excellent particularly in the characteristics to compatibilize a propylene polymer with a phenylene ether polymer by melt mixing a specific propylene copolymer with an ethylenically unsatd. monomer in the presence of a radical polymn. initiator. CONSTITUTION:Th...

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Hauptverfasser: OI SHIGEKAZU, WAKAYAMA MEIJI, YANO KAZUNORI
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator OI SHIGEKAZU
WAKAYAMA MEIJI
YANO KAZUNORI
description PURPOSE:To prepare the title copolymer excellent particularly in the characteristics to compatibilize a propylene polymer with a phenylene ether polymer by melt mixing a specific propylene copolymer with an ethylenically unsatd. monomer in the presence of a radical polymn. initiator. CONSTITUTION:The title copolymer is prepd. by melt mixing: 100 pts.wt. propylene copolymer contg. 0.01-10mol% dialkenylbenzene units of formula I (wherein R is H or methyl; R is a 1-6C hydrocarbon group; and n is 0 or 1) and/or branched nonconjugated diene units of formula II (wherein R is 8C or lower alkyl; R and R are each H, or 8C or lower alkyl, and they are not simultaneously H; and n is 1-10); with 5-100 pts.wt. ethylenically unsatd. monomer pref. comprising styrene or a mixture of styrene as the major component with another monomer copolymerizable with styrene; in the presence of a radical polymn. initiator.
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CONSTITUTION:The title copolymer is prepd. by melt mixing: 100 pts.wt. propylene copolymer contg. 0.01-10mol% dialkenylbenzene units of formula I (wherein R is H or methyl; R is a 1-6C hydrocarbon group; and n is 0 or 1) and/or branched nonconjugated diene units of formula II (wherein R is 8C or lower alkyl; R and R are each H, or 8C or lower alkyl, and they are not simultaneously H; and n is 1-10); with 5-100 pts.wt. ethylenically unsatd. monomer pref. comprising styrene or a mixture of styrene as the major component with another monomer copolymerizable with styrene; in the presence of a radical polymn. initiator.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1991</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&amp;date=19910715&amp;DB=EPODOC&amp;CC=JP&amp;NR=H03163117A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19910715&amp;DB=EPODOC&amp;CC=JP&amp;NR=H03163117A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OI SHIGEKAZU</creatorcontrib><creatorcontrib>WAKAYAMA MEIJI</creatorcontrib><creatorcontrib>YANO KAZUNORI</creatorcontrib><title>PREPARATION OF GRAFT COPOLYMER</title><description>PURPOSE:To prepare the title copolymer excellent particularly in the characteristics to compatibilize a propylene polymer with a phenylene ether polymer by melt mixing a specific propylene copolymer with an ethylenically unsatd. monomer in the presence of a radical polymn. initiator. 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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PREPARATION OF GRAFT COPOLYMER
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