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:
Oct. 17, 2023
Filed:
Jan. 22, 2022
North University of China, Taiyuan, CN;
Shanxi Zhongbei New Material Technology Co., Ltd., Taiyuan, CN;
Yaqing Liu, Taiyuan, CN;
Taian Chen, Taiyuan, CN;
Yang Xiang, Taiyuan, CN;
Guizhe Zhao, Taiyuan, CN;
NORTH UNIVERSITY OF CHINA, Taiyuan, CN;
SHANXI ZHONGBEI NEW MATERIAL TECHNOLOGY CO., LTD., Taiyuan, CN;
Abstract
A device for determining degradation rate of biodegradable polymers in soil, including a micro compressed air pump, a first COabsorption vessel filled with dry soda lime or an aqueous strong alkali solution, a COindicator vessel filled with a barium hydroxide solution, a hollow leaching device, a second COabsorption vessel and a third COabsorption vessel connected in sequence through connecting pipes. A top of the hollow leaching device is provided with an end cover. An external water distributor filled with a leaching solution and a mechanical stirring device is arranged above the end cover. The external water distributor is in communication with an inner cavity of the hollow leaching device through a pipeline. A stirring shaft of the mechanical stirring device extends into the inner cavity. A stirring shaft is provided with a stirring paddle.