Patent · US Active

Cross-linked plastomers as a replacement for rubber

US11845836B2 · kind B2 · utility

0Cited by

6References

15Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Jari-Jussi Ruskeeniemi · Porvoo, FI
Jeroen Oderkerk · Stenungsund, SE
Oscar Prieto · Jönköping, SE
Stefan Hellstrom · Stenungsund, SE
Tanja Piel · Linz, AT
Daniela Mileva · Linz, AT
Floran Prades · Linz, AT

Key dates

Filing date	Sep 30, 2019
Grant date	Dec 19, 2023
Priority date	—
Expiry date	Mar 19, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2383/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Articles comprising a polymer composition, wherein the polymer composition is obtainable by grafting an ethylene copolymer with comonomer units comprising hydrolysable silane groups, wherein the polymer composition shows high gel content and low compression set at −25° C. These articles have applications in automotive weather-stripping, such as sealing systems for doors, trunks and hoods.

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