[Object] To provide a dental adhesive composition that is highly adhesive to both porcelain and a tooth substance, an acid monomer, water, and a silane coupling agent coexisting in the dental adhesive composition, the dental adhesive composition being usable as a one-liquid type adhesive and exhibiting high preservation stability as a one-liquid type adhesive even after long-term preservation, regardless of the type of acid monomer used.

[Solving Means] There is provided a dental adhesive composition characterized by including a mixture that includes a silane coupling agent (A) that does not have a silyl ether structure and includes an organic silane compound (a1) in which four monovalent groups are bonded to one silicon atom, the four monovalent groups including (i) a monovalent group having a radical polymerizable group and (ii) a monovalent group that has an alkylene chain having 3 to 40 carbon atoms and an unsaturated bond in a carbon atom at a β-position from the silicon atom; a fluoride salt (B); a polymerizable monomer (C) that contains an acidic group-containing polymerizable monomer (c1); water (D); and an organic solvent (E).

The present disclosure relates to thermoplastic collagen elastomer compositions comprising collagen, at least one reactive thermoplastic elastomer, and at least one softener, as well as composite materials made from these compositions. Methods of making and using the thermoplastic collagen elastomer composite materials to produce engineered leather are also disclosed.

The present disclosure relates to thermoplastic collagen elastomer compositions comprising collagen, at least one reactive thermoplastic elastomer, and at least one softener, as well as composite materials made from these compositions. Methods of making and using the thermoplastic collagen elastomer composite materials to produce engineered leather are also disclosed.

An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.

An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.

This disclosure generally provides compositions with improved thermal aging resistance, crack resistance and flux compatibility, wherein the resin composition comprising: (a) an epoxy resin comprising a compound having two or more epoxy groups per molecule; (b) a binder comprising a compound having at least one carboxyl group per molecule; (c) a photopolymerization initiator; and (d) a filler composition comprising silica, talc and wollastonite.

This disclosure generally provides compositions with improved thermal aging resistance, crack resistance and flux compatibility, wherein the resin composition comprising: (a) an epoxy resin comprising a compound having two or more epoxy groups per molecule; (b) a binder comprising a compound having at least one carboxyl group per molecule; (c) a photopolymerization initiator; and (d) a filler composition comprising silica, talc and wollastonite.

The invention relates to an acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, to an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, to acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and to a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.

The invention relates to an acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, to an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, to acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and to a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.

This invention relates to drag reducing agents used in case of transportation of crude oil products, in particular, to solid dry poly(meth)acrylate with dry poly alpha-olefins powders based agents. The technical result of the solution involves the preparation of an effective, fast-dissolving, stable solid dry drag reducing agent suitable for use in heavy crude oil. The drag reducing agents compositions have better drag reducing performance in heavy crude applications as compared with traditional drag reducing slurries is also disclosed, which consists of the following components, wt%: a mixture of at least two drag reducing polymers, from 65 to 90 a separating agent from 3 to 25 anti-agglomerating agent from 3 to 25 a surfactant from 3 to 25,where the first polymer is poly(meth)acrylate, the second polymer is poly alpha-olefin, the ratio of the polyacrylate weight and polyalphaolefin weight varies in the range from 2:1 to 5:1.