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:
Dec. 24, 2024
Filed:
Nov. 22, 2019
Shandong Branden Medical Device Co.,ltd, Shandong, CN;
Haijun Zhang, Shandong, CN;
Kunshan Yuan, Shandong, CN;
Rumeng Wang, Shandong, CN;
Shoutao Lu, Shandong, CN;
Liming Liu, Shandong, CN;
Wenrui Cao, Shandong, CN;
Chao Zhou, Shandong, CN;
Yuxia Yin, Shandong, CN;
Wenbo Hou, Shandong, CN;
Cuihai Duan, Shandong, CN;
Guang Liu, Shandong, CN;
Shandong Branden Medical Device Co.,Ltd, Shandong, CN;
Abstract
The present disclosure relates to a medical silicon rubber having high mechanical property and a preparation method thereof. The medical silicon rubber comprises the following raw materials in parts by weight: 50˜90 parts of silicon rubber, 10˜50 parts of polyurethane, 10˜50 parts of fillers, 2˜6 parts of hydrogen-containing silicon oil and 2˜5 parts of a vulcanizing agent. The preparation method comprises: evenly mixing a part of fillers with silicon rubber in an internal mixer, and evenly mixing the other part of fillers with polyurethane in the internal mixer; and mixing the mixed polyurethane on an open type rubber refining machine, then successively adding hydrogen-containing silicon oil, the evenly mixed silicon rubber and the vulcanizing agent into the open type rubber refining machine many times by small portions, and finally vulcanizing the mixed rubber on a plate rubber vulcanizing machine for 5˜15 min at 150˜190° C.