Discovery of 4-<i>tert</i>-Butyl-2,6-dimethylphenylsulfur Trifluoride as a Deoxofluorinating Agent with High Thermal Stability as Well as Unusual Resistance to Aqueous Hydrolysis, and Its Diverse Fluorination Capabilities Including Deoxofluoro-Arylsulfinylation with High Stereoselectivity
作者:Teruo Umemoto、Rajendra P. Singh、Yong Xu、Norimichi Saito
DOI:10.1021/ja106343h
日期:2010.12.29
groups to CF(3) groups, in high yields. 1k also converts C(=S) and CH(3)SC(=S)O groups to CF(2) and CF(3)O groups, respectively, in high yields. In addition, 1k effects highly stereoselective deoxofluoro-arylsulfinylation of diols and amino alcohols to give fluoroalkyl arylsulfinates and arylsulfinamides, with complete inversion of configuration at fluorine and the simultaneous, selective formation of
A polymerizable composition, a prepolymer, a phthalonitrile resin, or a composite provided herein has excellent heat resistance and does not cause defects that may adversely affect physical properties. In addition, the polymerizable composition exhibits appropriate curing properties, processing temperatures and process windows and to be capable of forming a composite of excellent physical properties.
PHTHALONITRILE-BASED RESIN HAVING IMPROVED IMPACT STRENGTH
申请人:LG CHEM, LTD.
公开号:EP3741791A1
公开(公告)日:2020-11-25
The present invention relates to phthalonitrile-based resin. The phthalonitrile-based resin according to the present invention has excellent processibility and improved impact strength, and thus, can be appropriately used as durable goods in airplanes, ships, automobiles, and the like.
Resin composition for brake pad friction materials and brake pad friction materials made of the resin composition
申请人:LG CHEM, LTD.
公开号:US11002329B2
公开(公告)日:2021-05-11
The present invention relates to a resin composition, and a brake pad friction material made of the resin composition. The resin composition according to the present invention has high heat resistance and excellent processability, and thus enables the preparation of a brake pad friction material that is capable of securing improved durability and stable brake performance.