Patent · US Active

Adhesives with low VOC and fogging values

US10246617B2 · kind B2 · utility

2Cited by

10References

9Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Christina Cron · Velbert, DE
Gabriele Brenner · Schneverdingen, DE
Bernhard Schleimer · Marl, DE

Key dates

Filing date	Feb 26, 2016
Grant date	Apr 2, 2019
Priority date	—
Expiry date	Feb 26, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2170/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to hotmelt adhesives based on polyesters, having low VOC and fogging values. In particular, the invention is directed to a polyester based on polycarboxylic acids and di- or polyols, wherein the polyester including dicarboxylic acids of the formula HOOC—(CH2)x-COOH with x>10 and diols of the formula HO—(CH2)y-OH, with the proviso that at least 50 mole percent of the dicarboxylic acids, based on the total amount of polycarboxylic acid components, and at least 50 mole percent of the diols, based on the total amount of di- or polyols, satisfy the condition x+y>18, in hotmelt adhesives.

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