Catalytic production of urethanes from amines and alkyl halides in supercritical carbon dioxide
作者:Masaaki Yoshida、Namiko Hara、Sanae Okuyama
DOI:10.1039/a908819i
日期:——
Some common onium salts catalysed selective urethane productionfrom amines and alkyl halides in supercriticalcarbondioxide, which acted not only as an alternative to organic solvents but also as a phosgene replacement; the reaction efficiency was 50100 times higher than that attained in heptane.
Dispersion composition, curable composition using the same, transparent film, microlens, and solid-state imaging device
申请人:Arayama Kyouhei
公开号:US10287422B2
公开(公告)日:2019-05-14
There is provided a dispersion composition capable of forming a film being excellent in surface conditions, the dispersion composition containing metal oxide particles (A) having a primary particle diameter of 1 nm to 100 nm, a polymer compound (B) having an acid value of less than 120 mgKOH/g, which is represented by the following Formula (1), and a solvent (C).
Imprint lithography stamp method of making and using the same
申请人:KONINKLIJKE PHILIPS N.V.
公开号:US11163230B2
公开(公告)日:2021-11-02
Disclosed is a stamp (14) for an imprint lithography process, the stamp comprising an elastomer stamp body including a polysiloxane bulk portion (110) and a patterned surface comprising a feature pattern (16) for imprinting an imprinting composition (12) wherein the elastomer stamp body comprises a basic organic amine in an amount of at least 0.1% by weight based on the total weight of the elastomer stamp body. Also disclosed are methods of manufacturing such a stamp, and a method of forming a patterned layer on a substrate using such a stamp.