AMORPHOUS PROPYLENE POLYMER AND METHOD OF PREPARATION THEREOF

AMORPHOUS PROPYLENE POLYMER AND METHOD OF PREPARATION THEREOF

FIELD: chemistry of polymers. SUBSTANCE: amorphous propylene polymers have the following properties: (a) intrinsic viscosity (η) > Id/Ig; (b) wherein %(gamma) % syndiotactic dyad and (c) less than 2% CH2 groups contained in sequences (CH2)n wherein (d) Bernullianiti index Such propylene polymers...

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Hauptverfasser: EHNRIKO AL'BITSTSATI, LUIDZHI RESKONI
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
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 EHNRIKO AL'BITSTSATI
LUIDZHI RESKONI
description FIELD: chemistry of polymers. SUBSTANCE: amorphous propylene polymers have the following properties: (a) intrinsic viscosity (η) > Id/Ig; (b) wherein %(gamma) % syndiotactic dyad and (c) less than 2% CH2 groups contained in sequences (CH2)n wherein (d) Bernullianiti index Such propylene polymers having also narrow molecular weight distribution result directly from propylene polymerization reaction as sole product and no special separation is required. Present invention also describes method of preparing said amorphous propylene polymer. EFFECT: improved properties of amorphous propylene polymers. 10 cl, 3 ex, 1 tbl
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title AMORPHOUS PROPYLENE POLYMER AND METHOD OF PREPARATION THEREOF
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