SCHLAGFESTE THERMOPLASTISCHE FORMMASSE

An impact-resistant thermoplastic moulding composition containing A) a hard matrix of at least one polymer of a monovinylaromatic compound in a proportion of from 60 to 95 % by weight, and B) a soft phase, distributed therein, in a proportion of from 5 to 40 % by weight comprising drop particles wit...

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Bibliographic Details
Main Authors BUESCHL,RAINER,DR, ECHTE,ADOLF,DR
Format Patent
LanguageGerman
Published 18.02.1988
Edition4
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:An impact-resistant thermoplastic moulding composition containing A) a hard matrix of at least one polymer of a monovinylaromatic compound in a proportion of from 60 to 95 % by weight, and B) a soft phase, distributed therein, in a proportion of from 5 to 40 % by weight comprising drop particles with a mean particle size of greater than 80% (number average) in the range from 0.01 to 0.3 mu m, the soft phase being at least one graft copolymer made from the monomer building up the polymer of the hard matrix, and an elastomeric polymer, is characterised in that the soft phase is obtainable by known free-radical polymerisation initiated by initiators, of the monovinylaromatic monomer building up the hard matrix A in the presence of exclusively homopolybutadiene which has a mean molecular weight (weight average) of from 30,000 to 140,000, and is used to produce shaped structures.
Bibliography:Application Number: DE19863627639