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US 5,635,560 AGranted
Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer
AssigneeBayer Aktiengesellschaft
InventorsBurkhard Kohler, Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Werner Tischer, Klaus Horn
Life of this patent
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Abstract
The invention relates to mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer, which are distinguished by a good low-temperature strength and stress cracking resistance and good mould release properties.
Claims16
Thermoplastic moulding compounds containing mixtures of:
- A) 10 to 100 parts by weight of an aromatic polycarbonate and/or aromatic polyester carbonate,
- B)0.05 to 25 parts by weight of phenolically hydroxyfunctional branched dimeric fatty acid polyesters,
- C) 0 to 70 parts by weight of a graft copolymer of
- C.1 5 to 98 parts by weight of a graft superstrate of one or more monomers on
- C.2 2 to 95 parts by weight of one or more elastomeric graft substrates having glass transition temperatures of <10.degree. C.,
- D) 0 to 70 parts by weight of a thermoplastic resin from the group comprising
- D.1 vinyl (co)polymers and/or
- D.2 polyalkylene terephthalates,
- the sum of the parts by weight of A+B+C+D being 100.
6 more elements
Thermoplastic moulding compounds containing mixtures of:
- A) 30 to 96 parts by weight of an aromatic polycarbonate and/or aromatic polyester carbonate,
- B) 0.05 to 25 parts by weight of phenolically hydroxyfunctional branched dimeric fatty acid polyesters,
- C) 2 to 50 parts by weight of a graft copolymer of
- C.1 5 to 98 parts by weight of a graft superstrate of one or more monomers on
- C.2 2 to 95 parts by weight of one or more elastomeric graft substrates having glass transition temperatures of <10.degree. C.,
- D) 2 to 50 parts by weight of a thermoplastic resin from the group comprising
- D.1 vinyl (co)polymers and/or
- D.2 polyalkylene terephthalates, the sum of the parts by weight of A+B+C+D being 100.
5 more elements
Dependencies are inferred from the claim text.