SILANE COUPLING COMPOUNDS AND MEDICAL AND/OR DENTAL CURABLE COMPOSITIONS COMPRISING THE SAME
申请人:KABUSHIKI KAISHA SHOFU
公开号:US20190300552A1
公开(公告)日:2019-10-03
The present invention relate to a novel silane coupling agent and a medical and/or dental curable composition comprising the same. It is an object of the present invention to provide a novel silane coupling agent that imparts high affinity to a radical polymerizable monomer, thereby imparting high mechanical strength, flexibility and durability when used for a medical and/or dental curable composition, and an inorganic filler surface-treated with the novel silane coupling agent and a novel medical and/or dental curable composition. A silane coupling agent including repeating units such as a urethane bond and polyethylene glycol (ether bond) at a specific position is used.
The present invention provides a dental cement that exhibits excellent adhesiveness to dentin and has high mechanical strength. The present invention relates to a multi-part dental cement containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); a hydrophobic crosslinkable polymerizable monomer (c); a chemical polymerization initiator (d); and a filler (e). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1):
where X is an optionally substituted, linear or branched C
1
to C
6
aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR
1
—, —CO—NR
1
—, —NR
1
—CO—, —CO—O—NR
1
—, —O—CO—NR
1
—, and —NR
1
—CO—NR
1
—, and R
1
is a hydrogen atom or an optionally substituted, linear or branched C
1
to C
6
aliphatic group.
The present invention provides a dental adhesive exhibiting excellent initial bond strength and bond durability to both enamel and dentin. The present invention relates to a dental adhesive containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); and a water-soluble polymerizable monomer (c). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1):
where X is an optionally substituted, linear or branched C
1
to C
6
aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR
1
—, —CO—NR
1
—, —NR
1
—CO—, —CO—O—NR
1
—, —O—CO—NR
1
—, and —NR
1
—CO—NR
1
—, and R
1
is a hydrogen atom or an optionally substituted, linear or branched C
1
to C
6
aliphatic group.
The present invention provides a dental cement showing excellent storage stability, undergoing little change in paste properties during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a multi-part dental cement comprising: a first paste comprising an acid group-containing (meth)acrylic polymerizable monomer (a), a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, an oxidizing agent (c-1) of a chemical polymerization initiator, and a filler (d); and a second paste comprising a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, a reducing agent (c-2) of a chemical polymerization initiator, and a filler (e), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.0 μm, the surface treatment agent comprises a silane coupling agent (A) represented by the general formula (1) and an organosilazane (B) represented by the general formula (2).
ORGANIC ELECTRONIC MATERIAL, POLYMERIZATION INITIATOR AND THERMAL POLYMERIZATION INITIATOR, INK COMPOSITION, ORGANIC THIN FILM AND PRODUCTION METHOD FOR SAME, ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING DEVICE, DISPLAY ELEMENT, AND DISPLAY DEVICE
申请人:Ishitsuka Kenichi
公开号:US20130037753A1
公开(公告)日:2013-02-14
Disclosed is an organic electronic material comprising charge transporting compounds and ionic compounds having electron-accepting properties and high solubility in a solvent. The organic electronic material is characterized by comprising charge transporting compounds and ionic compounds, and in that at least one of the ionic compounds is any one kind of compounds represented by general formulas (1b)-(3b). (In the formulas Y
1
-Y
6
each independently represent a divalent linking group, R
1
-R
6
each independently represent an electron-attracting organic substituent (these structures can further have substituents and hetero-atoms, and R
1
, R
2
and R
3
, or, R
4
-R
6
can respectively combine and become a ring shape or a polymer shape) and L
+
represents a monovalent cation.)