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:
Aug. 16, 2022

Filed:

Dec. 29, 2017
Applicant:

Shenzhen Senior Technology Material Co., Ltd., Guangdong, CN;

Inventors:

Xuemei Yang, Guangdong, CN;

Wuhua Xiao, Guangdong, CN;

Dongbo Gao, Guangdong, CN;

Xiufeng Chen, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 46/54 (2006.01); B01D 69/06 (2006.01); B01D 71/26 (2006.01); B01D 71/42 (2006.01); B01D 67/00 (2006.01);
U.S. Cl.
CPC ...
B01D 46/543 (2013.01); B01D 69/06 (2013.01); B01D 71/26 (2013.01); B01D 71/42 (2013.01); B01D 67/0027 (2013.01); B01D 2323/08 (2013.01); B01D 2323/12 (2013.01); B01D 2325/24 (2013.01);
Abstract

A microporous membrane for filtering and a method for preparing the same, a flat filtering element and a gas filtering article are disclosed. The microporous membrane is composed of following raw materials in parts by weight: 100-110 parts of polyethylene, 27-30 parts of acrylonitrile, 0.1-0.2 parts of dicumyl peroxide, 2-4 parts of plasticizer, 1-2 parts of antimonous oxide, 0.8-1 part of zinc borate, 1-2 parts of antioxidant, 0.8-2 parts of heat stabilizer, 1-2 parts of octylisothiazolinone, 1-3 parts of calcium propionate, 0.7-2 parts of triglycidyl isocyanurate, 4-6 parts of diacetone alcohol, 0.7-1 part of oleic diethanolamide, 0.5-1 part of sodium myrastate and 1-2 parts of glycolic acid.


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