PROPYLENE-BASE ELASTOMER AND ITS APPLICATION
PROBLEM TO BE SOLVED: To provide a propylene-base elastomer excellent in rigidity, heat resistance, scratch resistance, transparency, heat sealability, and blocking properties. SOLUTION: The propylene-base elastomer is characterized in that: (1) it comprises units derived from propylene in an amount...
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| creator | KISO YOSHIHISA SUGI MASAHIRO MIZUNO AKIRA FUKUOKA ONORI TSUTSUI TOSHIYUKI HASHIMOTO MIKIO KAWASAKI MASAAKI UEDA TAKASHI TANIZAKI TATSUYA |
| description | PROBLEM TO BE SOLVED: To provide a propylene-base elastomer excellent in rigidity, heat resistance, scratch resistance, transparency, heat sealability, and blocking properties. SOLUTION: The propylene-base elastomer is characterized in that: (1) it comprises units derived from propylene in an amount of 50-95mol% and units derived from 1-butene in an amount of 5-50mol%; (2) when13C-NMR spectral measurement (hexachlorobutadiene solution, tetramethylsilane as the reference) is made on (i) a triad of head-to-tail-linked propylene units or (ii) a propylene-butene triad comprising head-to-tail-linked propylene unit(s) and butene unit(s) and containing a propylene unit in the second unit-made with respect to the side chain methyl group of the propylene unit in the second unit of the triad, the area of the peak which appears in 21.0-21.9ppm is 90% or more when the total area of the peaks which appear in 19.5-21.9 ppm is made to be 100%; (3) it has an intrinsic viscosity of 0.1-12dL/g measured in decalin at 135°C; and (4) it has a molecular weight distribution (Mw/Mn) of 3 or less determined by gel permeation chromatography (GPC). COPYRIGHT: (C)2004,JPO |
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SOLUTION: The propylene-base elastomer is characterized in that: (1) it comprises units derived from propylene in an amount of 50-95mol% and units derived from 1-butene in an amount of 5-50mol%; (2) when13C-NMR spectral measurement (hexachlorobutadiene solution, tetramethylsilane as the reference) is made on (i) a triad of head-to-tail-linked propylene units or (ii) a propylene-butene triad comprising head-to-tail-linked propylene unit(s) and butene unit(s) and containing a propylene unit in the second unit-made with respect to the side chain methyl group of the propylene unit in the second unit of the triad, the area of the peak which appears in 21.0-21.9ppm is 90% or more when the total area of the peaks which appear in 19.5-21.9 ppm is made to be 100%; (3) it has an intrinsic viscosity of 0.1-12dL/g measured in decalin at 135°C; and (4) it has a molecular weight distribution (Mw/Mn) of 3 or less determined by gel permeation chromatography (GPC). COPYRIGHT: (C)2004,JPO</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PROPYLENE-BASE ELASTOMER AND ITS APPLICATION |
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