Title:
POLYDIMETHYLACRYLAMIDE POWDER, POLYDIMETHYLACRYLAMIDE SOLUTION, AND METHOD FOR PRODUCING POLYDIMETHYLACRYLAMIDE POWDER
Document Type and Number:
WIPO Patent Application WO/2023/085121
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a polydimethylacrylamide powder that has very good solubility in various solvents and other manufacturing raw materials and can manifest remarkable hydrophilicity, lubricity, and transparency when used as a raw material of a medical device; a polydimethylacrylamide solution; and a method for producing the polydimethylacrylamide powder. The present invention provides a polydimethylacrylamide powder that contains polydimethylacrylamide as the main component and has a bulk density of 0.60 g/mL or less, and also provides a method for producing the same.
Inventors:
KITAGAWA RUMIKO (JP)
NAKAMURA MASATAKA (JP)
NAKAMURA MASATAKA (JP)
Application Number:
PCT/JP2022/040356
Publication Date:
May 19, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08J3/12; A61F2/16; A61L15/24; A61L27/16; A61L27/34; A61L29/04; A61L31/04; C08F20/56; C08J5/18; C08L33/26; G02C7/04
Foreign References:
| JPH0762022A | 1995-03-07 | |||
| JP2000273215A | 2000-10-03 | |||
| CN113150228A | 2021-07-23 | |||
| US20210163698A1 | 2021-06-03 | |||
| JP2004285267A | 2004-10-14 | |||
| JP2008095048A | 2008-04-24 | |||
| JP2009249473A | 2009-10-29 |
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