Patent · US Active

Polyurea elastomers having increased chemicals resistance

US9260628B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

BASF SE

Inventors

Iran Otero Martinez · Bohmte, DE
Dejan Petrovic · Ludwigshafen, DE
Zeljko Tomovic · Bohmte, DE

Key dates

Filing date	Aug 2, 2013
Grant date	Feb 16, 2016
Priority date	—
Expiry date	Sep 8, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/8108
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing polyurea elastomers, in which (a) polyisocyanates are mixed with (b) polyamines, (c) optionally amine chain extenders comprising primary or secondary amine groups, (d) optionally polyols and (e) optionally auxiliaries and additives to form a reaction mixture and cured, where at least one of the components (a) to (d) comprises dispersed filler particles.

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