POLYPROPYLENE RESIN FOR SKI BOOTS

POLYPROPYLENE RESIN FOR SKI BOOTS

PROBLEM TO BE SOLVED: To provide a polypropylene resin for ski boots excellent in mechanical strength, flexibility at a low temperature, shock resistance, and scar resistance, having heat resistance and a high gloss, capable of being manufactured by injection molding with high productivity, and exce...

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Hauptverfasser: TSURUOKA MASAYUKI, ENDO MASAHIKO, ITO TOSHIMICHI
Format: Patent
Sprache:eng
Schlagworte:
CHARACTERISTIC FEATURES OF FOOTWEAR
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
FOOTWEAR
HUMAN NECESSITIES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PARTS OF FOOTWEAR
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator TSURUOKA MASAYUKI
ENDO MASAHIKO
ITO TOSHIMICHI
description PROBLEM TO BE SOLVED: To provide a polypropylene resin for ski boots excellent in mechanical strength, flexibility at a low temperature, shock resistance, and scar resistance, having heat resistance and a high gloss, capable of being manufactured by injection molding with high productivity, and excellent in fashionability. SOLUTION: This polypropylene resin for ski boots is composed of (A) 10020wt.% of a resin made of a copolymer containing a propylene single polymer and/or another olefin olefin unit of 4wt.% or below and having (a) the pentad percentage rrrr/(1-mmmm)×100 of 15-60% of 4wt.% or below and having (a) the pentad percentage rrrr/(1-mmmm)×100 of 15-60% in the isotopic carbon unclear magnetic resonance spectrum ( C-NMR) and (b) the fused enthalpy (ΔH) of 10-100J/g measured by DSC and (B) 0-80wt.% of a propylene copolymer containing the olefin unit of 10-80wt.% other than propylene.
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SOLUTION: This polypropylene resin for ski boots is composed of (A) 10020wt.% of a resin made of a copolymer containing a propylene single polymer and/or another olefin olefin unit of 4wt.% or below and having (a) the pentad percentage rrrr/(1-mmmm)×100 of 15-60% of 4wt.% or below and having (a) the pentad percentage rrrr/(1-mmmm)×100 of 15-60% in the isotopic carbon unclear magnetic resonance spectrum ( C-NMR) and (b) the fused enthalpy (ΔH) of 10-100J/g measured by DSC and (B) 0-80wt.% of a propylene copolymer containing the olefin unit of 10-80wt.% other than propylene.</description><edition>6</edition><language>eng</language><subject>CHARACTERISTIC FEATURES OF FOOTWEAR ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; FOOTWEAR ; HUMAN NECESSITIES ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PARTS OF FOOTWEAR ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1997</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=19970930&amp;DB=EPODOC&amp;CC=JP&amp;NR=H09252803A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19970930&amp;DB=EPODOC&amp;CC=JP&amp;NR=H09252803A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSURUOKA MASAYUKI</creatorcontrib><creatorcontrib>ENDO MASAHIKO</creatorcontrib><creatorcontrib>ITO TOSHIMICHI</creatorcontrib><title>POLYPROPYLENE RESIN FOR SKI BOOTS</title><description>PROBLEM TO BE SOLVED: To provide a polypropylene resin for ski boots excellent in mechanical strength, flexibility at a low temperature, shock resistance, and scar resistance, having heat resistance and a high gloss, capable of being manufactured by injection molding with high productivity, and excellent in fashionability. 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subjects CHARACTERISTIC FEATURES OF FOOTWEAR
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
FOOTWEAR
HUMAN NECESSITIES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PARTS OF FOOTWEAR
THEIR PREPARATION OR CHEMICAL WORKING-UP
title POLYPROPYLENE RESIN FOR SKI BOOTS
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