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.

Date of Patent:
Apr. 08, 2025

Filed:

Aug. 17, 2024
Applicant:

Nanjing Tech University, Nanjing, CN;

Inventors:

Chenjie Zhu, Nanjing, CN;

Haifeng Liu, Nanjing, CN;

Ming Li, Nanjing, CN;

Lei Ji, Nanjing, CN;

Zhiwei Chang, Nanjing, CN;

Yixin Feng, Nanjing, CN;

Zhuotao Tan, Nanjing, CN;

Tao Shen, Nanjing, CN;

Hanjie Ying, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 97/00 (2006.01); C08J 3/12 (2006.01); C08J 3/22 (2006.01); C08K 5/09 (2006.01); C08L 7/00 (2006.01);
U.S. Cl.
CPC ...
C08L 97/005 (2013.01); C08J 3/12 (2013.01); C08J 3/22 (2013.01); C08K 5/09 (2013.01); C08L 7/00 (2013.01); C08J 2307/00 (2013.01); C08J 2397/00 (2013.01);
Abstract

The present invention discloses a fully bio-based, highly filled lignin-rubber masterbatch, a method for preparing same, and use thereof. The lignin-rubber masterbatch is prepared by a method comprising: (1) reacting a lignin, acetic acid, and oleic acid in the presence of a catalyst to give a modified lignin; and (2) blending the modified lignin and a rubber, and granulating to give the lignin-rubber masterbatch. The highly filled lignin-rubber masterbatch prepared by the present invention can replace the conventional reinforcing agent carbon black and provide a better reinforcing effect and higher mechanical properties for rubber materials. The present invention can also reduce the rubber content of the rubber composite materials while retaining the mechanical properties, thus featuring cost-efficiency.


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