Patent · US Active

Polyurethane-based composition

US12091488B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

BOSTIK SA · FR

Inventors

Guillaume Michaud · L'Essart Mador, FR
Aurélien Wiegand · Le Francport, FR

Key dates

Filing date	Apr 3, 2019
Grant date	Sep 17, 2024
Priority date	—
Expiry date	Jan 15, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/265
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a composition comprising: an NCO component comprising: A) at least one polyurethane comprising at least two NCO terminal groups produced by an addition polymerisation reaction of at least one dissymetric diisocyanate and at least one polyol, and B) at least one polyisocyanate comprising at least three NCO isocyanate functions, selected from the group consisting of biurets, isocyanurates, adducts of diisocyanates and of triols, and the mixtures thereof; and an OH component comprising: at least one polyol; and a total content of filler(s) higher than or equal to 35 wt. %, in relation to the total weight of said OH component.

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