Patent · US Active

Extrudable pressure sensitive adhesive based on polybutene-1 polymer and a styrene copolymer suitable for reclosable packagings

US11485884B2 · kind B2 · utility

0Cited by

7References

14Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Marcus Heemann · Goldkronach, DE
Thomas Scheeren · Heinsberg, DE
Dirk Kasper · Goldkronach, DE
Andrea Queisser · Dormagen, DE

Key dates

Filing date	May 14, 2019
Grant date	Nov 1, 2022
Priority date	—
Expiry date	Jul 19, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J2423/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a pressure sensitive adhesive composition comprising: (i) at least one butene-1 (co)polymer; (ii) at least one liquid tackifier; (iii) at least one solid tackifier; (iv) at least one styrene copolymer; (v) optionally at least one further (co)polymer, different from (i) and (iv); (vi) optionally at least one additive. Furthermore, the use of the pressure sensitive adhesive composition according to the invention as closing mean for a packaging unit for foods, for packaging units to be heated in a microwave or oven, for a closing mean for packaging unit for drugs, hygienic tissues, cleaning tissues or cosmetic tissues. An article comprising the pressure sensitive adhesive composition according to the invention and a method of obtaining the article.

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