Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-05-14
1979-03-13
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260880R, C08L 700, C08L 2504, C08L 900
Patent
active
041442040
ABSTRACT:
Thermoplastic molding compositions, based on polymers of a monovinyl-aromatic compound which have been modified with rubber to increase their impact strength, which also exhibit increased stress crack resistance.
The increased stress crack resistance is achieved if the proportion of the soft component in the polymer which has been modified to increase its impact strength, and the particle size and swelling index of the soft component phase, conform to particular values, and the tensile strength and yield stress of the thermoplastic molding compositions bear a particular ratio to one another.
The molding compositions may in particular be used for the manufacture of internal liners of refrigerators and foodstuff packaging containers.
REFERENCES:
patent: 2694692 (1954-11-01), Amos et al.
patent: 2862906 (1958-12-01), Stein et al.
patent: 3243481 (1966-03-01), Rulling et al.
patent: 3644587 (1972-02-01), Finberg
Stein et al., "Crosslinking Reactions in High Impact Polystyrene Rubber Particles", Advances in Chem. Series 142, (1975), p. 148ff. ACS.
Adler Hansjoerg
Bronstert Klaus
Echte Adolf
Jenne Helmut
Lieb Manfred
Anderson Harold D.
BASF - Aktiengesellschaft
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