Patent · US Expired

Polymer blends of polyamides and polymers containing sulfonamide structural units

US5252672A · kind A · utility

1Cited by

4References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Georg Heger · Krefeld, DE
Holger Lutjens · Cologne, DE
Gerd Fengler · Krefeld, DE
Christian Lindner · Bensheim, DE

Key dates

Filing date	Dec 3, 1991
Grant date	Oct 12, 1993
Priority date	—
Expiry date	Dec 3, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L77/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to improved polymer blends of polyamides and vinyl polymers containing sulfonamide structural units. Polyamide molding compounds having reduced water absorption and improved dimensional stability coupled with good mechanical properties, such as impact strength and rigidity, minimal discoloration, high heat resistance and migration resistance, are thus obtained.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.