C08F283/122

Bulk polymerization of silicone-containing copolymers

Methods for preparing silicone-containing polymers by essentially adiabatic polymerization methods are disclosed. The polymerization system includes free radically polymerizable monomers. The monomers include ethylenically unsaturated silicone-containing monomers and/or mercapto-functional silicones as well as additional free radically polymerizable monomers. The silicone-containing polymers are useful as adhesives or release materials.

Amphiphilic branched polydiorganosiloxane macromers
10527757 · 2020-01-07 · ·

The invention provides a class of amphiphilic branched polydiorganosiloxane macromers and the uses thereof. Such a macromer comprises a polydiorganosiloxane polymer chain and two terminal groups free of any ethylenically unsaturated group, wherein the polydiorganosiloxane polymer chain comprises (1) at least 5 dimethylsiloxane units in a consecutive sequence, (2) at least two first siloxane units each having methyl as one of the two substituents of each first siloxane unit and one first organic radical having one sole (meth)acryloyl group as the other substituent, (3) at least one second siloxane unit having methyl as one of the two substituents of the second siloxane unit and one second organic radical, which is free of any ethylenically unsaturated group and comprises one or more hydrophilic groups or polymer chains, as the other substituent.

Amphiphilic branched polydiorganosiloxane macromers
10527757 · 2020-01-07 · ·

The invention provides a class of amphiphilic branched polydiorganosiloxane macromers and the uses thereof. Such a macromer comprises a polydiorganosiloxane polymer chain and two terminal groups free of any ethylenically unsaturated group, wherein the polydiorganosiloxane polymer chain comprises (1) at least 5 dimethylsiloxane units in a consecutive sequence, (2) at least two first siloxane units each having methyl as one of the two substituents of each first siloxane unit and one first organic radical having one sole (meth)acryloyl group as the other substituent, (3) at least one second siloxane unit having methyl as one of the two substituents of the second siloxane unit and one second organic radical, which is free of any ethylenically unsaturated group and comprises one or more hydrophilic groups or polymer chains, as the other substituent.

Bulk polymerization of silicone-containing copolymers

Methods for preparing silicone-containing polymers by essentially adiabatic polymerization methods are disclosed. The polymerization system includes free radically polymerizable monomers. The monomers include ethylenically unsaturated silicone-containing monomers and/or mercapto-functional silicones as well as additional free radically polymerizable monomers. The silicone-containing polymers are useful as adhesives or release materials.

Bulk polymerization of silicone-containing copolymers

Methods for preparing silicone-containing polymers by essentially adiabatic polymerization methods are disclosed. The polymerization system includes free radically polymerizable monomers. The monomers include ethylenically unsaturated silicone-containing monomers and/or mercapto-functional silicones as well as additional free radically polymerizable monomers. The silicone-containing polymers are useful as adhesives or release materials.

SILICONE HYDROGELS COMPRISING HIGH LEVELS OF POLYAMIDES
20190315902 · 2019-10-17 ·

Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Thermoplastic resin composition comprising a core-shell resin and a molded resin article composed of the thermoplastic resin composition

A thermoplastic resin composition comprising 80 to 99.9 parts by mass of a thermoplastic resin (I), and 0.1 to 20 parts by mass of a silicone-acryl core-shell resin (II), a total mass of the thermoplastic resin (I) and the silicone-acryl core-shell resin (II) being 100 parts by mass, wherein a core particle of the silicone-acryl core-shell resin (II) is composed of an organopolysiloxane (A), and a shell layer of the silicone-acryl core-shell resin (II) is composed of a poly (meth) acrylate ester (B), a mass ratio of the organopolysiloxane (A) to the poly (meth) acrylate ester (B) is in a range of 40:60 to 90:10, and a length (?) of the part of a circumference occupied by the poly (meth) acrylate ester in the silicone-acryl core-shell resin (II) accounts for at least 90% of a whole circumferential length (?) of the silicone-acryl core-shell resin (II).

Thermoplastic resin composition comprising a core-shell resin and a molded resin article composed of the thermoplastic resin composition

A thermoplastic resin composition comprising 80 to 99.9 parts by mass of a thermoplastic resin (I), and 0.1 to 20 parts by mass of a silicone-acryl core-shell resin (II), a total mass of the thermoplastic resin (I) and the silicone-acryl core-shell resin (II) being 100 parts by mass, wherein a core particle of the silicone-acryl core-shell resin (II) is composed of an organopolysiloxane (A), and a shell layer of the silicone-acryl core-shell resin (II) is composed of a poly (meth) acrylate ester (B), a mass ratio of the organopolysiloxane (A) to the poly (meth) acrylate ester (B) is in a range of 40:60 to 90:10, and a length (?) of the part of a circumference occupied by the poly (meth) acrylate ester in the silicone-acryl core-shell resin (II) accounts for at least 90% of a whole circumferential length (?) of the silicone-acryl core-shell resin (II).

Silicone hydrogels comprising high levels of polyamides

Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Pigment dispersion liquid, decorative material, transfer material for forming decorative material, substrate with decorative material, touch panel, information display device, and graft type silicone polymer
10184060 · 2019-01-22 · ·

A pigment dispersion liquid includes a pigment dispersant; and a pigment, in which the pigment dispersant is a graft type silicone polymer denoted by General Formula 1. In General Formula 1, R.sup.1 to R.sup.10, R.sup.15 and R.sup.16 represent a hydrogen atom, a hydroxy group, an aryl group, or an alkyl group having 1 to 3 carbon atoms; R.sup.11 and R.sup.12 represent an arylene group or an alkylene group having 1 to 3 carbon atoms; Y and Z represent a single bond or a divalent organic linking group; A represents a group having a pigment adsorption portion; B represents a group having a structure denoted by General Formula 2; l and n represent an integer of greater than or equal to 1; m represents an integer of greater than or equal to 0; and k represents an integer of greater than or equal to 1. ##STR00001##