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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 12448502 B1

PDFFull Text
Date of Patent:
Oct. 21, 2025

Filed:

Jan. 12, 2018

Rubber composition, processing method thereof, sealing element using the same

Applicants:

Hangzhou Xinglu Technology Co., Ltd., Zhejinag, CN;

Shaoxing Pinghe New Material Technology Co., Ltd., Zhejiang, CN;

Inventors:

Tao Xu, Hangzhou, CN;

Zhi Sheng Fu, Hangzhou, CN;

An Yang Wu, Hangzhou, CN;

Assignees:

HANGZHOU XINGLU TECHNOLOGIES CO., LTD, HANGZHOU, CN;

SHAOXING PINGHE NEW MATERIAL TECHNOLOGY CO., LTD., Shaoxing, CN;

Attorney:

Ingrassia Fisher & Lorenz, LLP

Primary Examiner:

Angela C Scott

Int. Cl.
CPC ...
C08L 23/06 (2006.01); B29D 99/00 (2010.01); B60S 1/04 (2006.01); C08K 3/011 (2018.01); C08K 3/013 (2018.01); C08K 3/04 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08K 3/34 (2006.01); C08K 5/00 (2006.01); C08K 5/14 (2006.01); C08K 5/3492 (2006.01); C08L 23/08 (2025.01); C08L 23/16 (2006.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); B29D 99/0053 (2013.01); B60S 1/04 (2013.01); C08K 3/011 (2018.01); C08K 3/013 (2018.01); C08K 3/04 (2013.01); C08K 3/346 (2013.01); C08K 5/0016 (2013.01); C08K 5/0025 (2013.01); C08K 5/005 (2013.01); C08K 5/14 (2013.01); C08K 5/34924 (2013.01); C08L 23/08 (2013.01); C08L 23/16 (2013.01); C08K 2003/2206 (2013.01); C08K 2003/2217 (2013.01); C08K 2003/2296 (2013.01); C08K 2003/265 (2013.01);
Abstract

The invention discloses a rubber composition and a method for processing the rubber composition, and a sealing element using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix, 2-20 parts of a cross-linking system, 60-300 parts of a reinforcing filler, 20-170 parts of a plasticizer and 3-25 parts of a metal oxide, wherein, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A≤100 parts, and both an EPM rubber and an EPDM rubber with a total content represented as B, in which 0≤B<100 parts. The invention provides a sealing element with good compression set resistance.

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