Title:
シリンジ用ガスケット
Document Type and Number:
Japanese Patent JP7247608
Kind Code:
B2
Abstract:
An object of the present invention is to provide a syringe gasket having excellent performance such as slidability, liquid leakage resistance, and protein adsorption inhibition performance. The syringe gasket is a syringe gasket including a liquid contact portion and a sliding portion, wherein an inactive film is layered on the liquid contact portion, no inactive film is layered on the sliding portion, a modified polymer chain is formed on a surface of the sliding portion, the modified polymer chain is obtained by adding a silane compound to a surface of a polymer chain and further reacting a fluoroalkyl group-containing silane compound and/or a perfluoroether group-containing silane compound, and a mass ratio of the fluoroalkyl group-containing silane compound to the perfluoroether group-containing silane compound is 0:100 to 100:0.
Inventors:
Yasuhisa Minagawa
Kentaro Fujimoto
Kentaro Fujimoto
Application Number:
JP2019014469A
Publication Date:
March 29, 2023
Filing Date:
January 30, 2019
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A61M5/315
Domestic Patent References:
| JP201543827A | ||||
| JP2018151028A | ||||
| JP201823467A | ||||
| JP201793909A | ||||
| JP10503795A |
Foreign References:
| WO2016042912A1 | ||||
| WO2014136138A1 |
Attorney, Agent or Firm:
Patent Attorney Firm WisePlus