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.:
Date of Patent:
Aug. 16, 2022
Filed:
Oct. 20, 2020
Meiyun Zhang, Xi'an, CN;
Jiaojun Tan, Xi'an, CN;
Bin Yang, Xi'an, CN;
Shunxi Song, Xi'an, CN;
Jingyi Nie, Xi'an, CN;
Xue Jiang, Xi'an, CN;
Meiyun Zhang, Xi'an, CN;
Jiaojun Tan, Xi'an, CN;
Bin Yang, Xi'an, CN;
Shunxi Song, Xi'an, CN;
Jingyi Nie, Xi'an, CN;
Xue Jiang, Xi'an, CN;
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY, Xi'an, CN;
Abstract
A method of preparing an aramid paper coated with aramid nanofibers includes the following steps: (1) mixing a meta-aramid fibrid slurry and a chopped meta-aramid fiber slurry, filtering, pressing and drying to obtain a meta-aramid paper; (2) mixing potassium hydroxide, deionized water, dimethyl sulfoxide, and para-aramid nanofibers in a container, and stirring to obtain a para-aramid nanofiber coating solution; and (3) applying the para-aramid nanofiber coating solution to a first side of the meta-aramid paper, washing with deionized water, and drying; applying the para-aramid nanofiber coating solution to a second side of the meta-aramid paper, washing with deionized water, and drying; and hot pressing to obtain the aramid paper coated with aramid nanofibers.