POLYOLEFIN-BASED RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain a polyolefin-based resin composition, having thermoplastic elastomeric properties and excellent in heat and impact resistances and processability, and also superior in economy. SOLUTION: This polyolefin-based resin composition comprises 5-49wt.% component (I) and 51-9...

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Bibliographic Details
Main Authors EI NAOFUMI, OI NOBUO, OBAYASHI YOSHIAKI
Format Patent
LanguageEnglish
Published 14.09.1998
Edition6
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
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Summary:PROBLEM TO BE SOLVED: To obtain a polyolefin-based resin composition, having thermoplastic elastomeric properties and excellent in heat and impact resistances and processability, and also superior in economy. SOLUTION: This polyolefin-based resin composition comprises 5-49wt.% component (I) and 51-95wt.% component (II). (I) a polypropylene component having 0.5-5.0dL/g intrinsic viscosity ([η]) measured in tetralin at 135 deg.C and (II) a polyolefin-based resin component having a main chain composed of methylene and a methine chain, further plural alkane side chains having different chain lengths in the same polymer chain, 20-200 pieces of methyl carbons based on 1,000 carbon atoms (CH3 /1,000C) and the relationship with the density satisfying the formula: density <0.96- 0.0156×Ln(CH3 /1,000C)+0.00016×(CH3 /1,000C)} and further 0.5-5.0dL/g intrinsic viscosity ([η]) measured in tetralin at 135 deg.C.
Bibliography:Application Number: JP19970050190