Fluorine-containing acetophenone derivative, surface layer material containing the same as photo initiator, article with composite hard coat layer, and method for forming composite hard coat layer
申请人:TDK CORPORATION
公开号:US20040181087A1
公开(公告)日:2004-09-16
The present invention provides a new fluorine-containing acetophenone derivative useful as a photo initiator, and a surface layer material containing the fluorine-containing acetophenone derivative. The present invention provides inexpensively an article with a hard coat excellent in anti-staining property, lubricity, scratch resistance and abrasion resistance, and provides a method for forming the hard coat. A fluorine-containing acetophenone derivative represented by the following general formula (I):
1
wherein R
1
, R
2
and R
3
each independently represent an organic group other than aryl group, a hydrogen atom, a halogen atom or a hydroxyl group, provided that the following case does not take place: all of R
1
, R
2
and R
3
are simultaneously hydrogen atoms; and any two of R
1
, R
2
and R
3
may be linked to each other to form a ring, and R
4
represents a fluorine-containing organic group. Hard coat layer
2
is formed to contact a surface of an article, and a fluorine-containing surface layer
3
using the compound is formed to contact a surface of the hard coat layer
2.
Lubricant for magnetic recording medium, and magnetic recording medium
申请人:Dexerials Corporation
公开号:US10141017B2
公开(公告)日:2018-11-27
A lubricant for a magnetic recording medium including an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid, wherein the Bronsted acid includes a fluorine-containing chain, the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain, wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, and a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less.
Application of cyclodextrins (CDS) for remediation of perfluoroalkyl substances (PFASS)
申请人:O'Shea Kevin E.
公开号:US11149135B2
公开(公告)日:2021-10-19
A system for remediation of perfluoroalkyl substances (PFASs) has a multiplicity of β-cyclodextrins (β-CDs) and/or modified β-CDs combined with a vehicle additive, and a delivery device. Modified β-CDs can contain a single amine functionality at a single primary carbon or single secondary carbon of the β-CD. The vehicle additive can be powdered activated carbon (PAC). The delivery device is a column, a pouch, a packet, or a sheet that can permit the contacting of a fluid environment with the β-CDs and vehicle additive. The system of remediation can be used for a fluid environment or for biological organisms. CD-based fluorescent sensors can detect PFASs in the environment.
Lithography composition, a method for forming resist patterns and a method for making semiconductor devices
申请人:Ridgefield Acquisition
公开号:US11156920B2
公开(公告)日:2021-10-26
The present invention relates to a new lithography composition, the forming of resist patterns using the lithography composition, and a semiconductor device manufacturing method using the lithography composition in a photolithography method.
Composition and method for capture and degradation of PFAS
申请人:Battelle Memorial Institute
公开号:US11518689B2
公开(公告)日:2022-12-06
Materials for binding per- and polyfluoroalkyl substances (PFAS) are disclosed. A fluidic device comprising the materials for detection and quantification of PFAS in a sample is disclosed. The fluidic device may be configured for multiplexed analyses. Also disclosed are methods for sorbing and remediating PFAS in a sample. The sample may be groundwater containing, or suspected of containing, one or more PFAS.