logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11505669 B1

PDFFull Text
Date of Patent:
Nov. 22, 2022

Filed:

Mar. 26, 2018

Thermally expandable compositions comprising urea derivatives

Applicant:

Henkel Ag & Co. Kgaa, Duesseldorf, DE;

Inventors:

Rainer Kohlstrung, Plankstadt, DE;

Klaus Rappmann, Weinheim-Rittenweier, DE;

Sascha Poeller, Bochum, DE;

Assignee:

Henkel AG & Co. KGaA, Duesseldorf, DE;

Attorney:

Mary K. Cameron

Primary Examiner:

Christina A Johnson

Assistant Examiner:

Xue H Liu

Int. Cl.
CPC ...
C08J 9/08 (2006.01); C08J 9/00 (2006.01); B29C 44/18 (2006.01); C08L 23/08 (2006.01); B29C 44/34 (2006.01); C09K 3/10 (2006.01); B29K 23/00 (2006.01); B29K 105/24 (2006.01); B62D 29/00 (2006.01); B29K 105/04 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
C08J 9/08 (2013.01); B29C 44/188 (2013.01); B29C 44/3415 (2013.01); C08J 9/0014 (2013.01); C08J 9/0023 (2013.01); C08J 9/0028 (2013.01); C08J 9/0061 (2013.01); C08L 23/0853 (2013.01); C08L 23/0884 (2013.01); C09K 3/10 (2013.01); B29K 2023/083 (2013.01); B29K 2105/04 (2013.01); B29K 2105/24 (2013.01); B29L 2031/30 (2013.01); B62D 29/002 (2013.01); C08J 2201/024 (2013.01); C08J 2201/026 (2013.01); C08J 2203/02 (2013.01); C08J 2207/00 (2013.01); C08J 2207/02 (2013.01); C08J 2300/10 (2013.01); C08J 2323/02 (2013.01); C08J 2323/08 (2013.01); C08J 2323/16 (2013.01); C08J 2331/04 (2013.01); C08J 2333/02 (2013.01); C08J 2333/06 (2013.01); C08J 2353/02 (2013.01); C08J 2423/08 (2013.01); C08J 2433/06 (2013.01); C08L 2203/14 (2013.01); C08L 2312/00 (2013.01); C09K 2003/1059 (2013.01); C09K 2003/1068 (2013.01); C09K 2200/0622 (2013.01);
Abstract

The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.

Find Patent Forward Citations

Loading…