Patent · US Expired

Liquid two-component coating compositions

US5935710A · kind A · utility

2Cited by

11References

18Claims

0Family size

Assignee

Vianova Resins AG · DE

Inventors

Michael Hoenel · Wiesbaden, DE
Armin Pfeil · Kaufering, DE
Thomas Budnick · Essen, DE
Heiner Schwan · Wuppertal, DE

Key dates

Filing date	Nov 17, 1997
Grant date	Aug 10, 1999
Priority date	—
Expiry date	Nov 17, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to coating compositions including one or more resins having amino-reactive groups; one or more polyamine curing agents; and one or more aminourethanes. The aminourethanes can be reaction products of (i) oligomeric or polymeric compounds which contain at least one, preferably two or more terminal 2-oxo-1,3-dioxolane groups (cyclic carbonate groups), and (ii) amines containing at least one primary, preferably two or more primary and, if desired, also secondary and tertiary amino groups. The ratios of equivalents of C1):C2) typically is from 1:1 to 1:10, preferably from 1:1.05 to 1:5 and particularly preferably from 1:1.1 to 1:2, and the end product preferably contains one or more free primary amino groups. The composition further may contain, if desired, pigments, fillers, one or more organic solvents, water and conventional additives.

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