Abstract: Polyheterosiloxane compositions are disclosed containing at least 70% by weight of the following components: (A) a first metal (M1) selected from Ti, Zr, or Zn, (B) a second metal (M2) selected from a non-lanthanide metal, (C) siloxy units having the formula R2SiO2/2 or R?SiO3/2, where R? is independently a hydrocarbon group or halogen substituted hydrocarbon group containing 1 to 18 carbon atoms. The disclosed compositions are useful to prepare high refractive index materials.

Abstract: This invention relates to thermoplastic elastomers comprising at least one silicone ionomer. These thermoplastic elastomers may be reprocessed and/or recycled.

Abstract: This invention relates to methods for preparing polyheterosiloxane materials having at least two different non-Si metal elements. The polyheterosiloxane materials prepared by these methods are solid materials which can be easily dispersed in a solvent of choice.

Abstract: This invention relates to methods for preparing polyheterosiloxane materials having at least two different non-Si metal elements. The polyheterosiloxane materials prepared by these methods are solid materials which can be easily dispersed in a solvent of choice.

Abstract: Polyheterosiloxane compositions are disclosed containing at least 70% by weight of the following components: (A) a first metal (M1) selected from Ti, Zr, or Zn, (B) a second metal (M2) selected from a non-lanthanide metal, (C) siloxy units having the formula R2SiO2/2 or R?SiO3/2, where R? is independently a hydrocarbon group or halogen substituted hydrocarbon group containing 1 to 18 carbon atoms. The disclosed compositions are useful to prepare high refractive index materials.

Abstract: A coating composition contains a carbamate-functional film-forming material, a carbinol-functional, nonlinear siloxane resin, and an aminoplast crosslinking agent. The composition provides excellent high-bake repair adhesion of a repair-coating layer over the initial coating.

Abstract: This invention relates to methods for preparing polyheterosiloxane materials having at least two different non-Si metal elements. The polyheterosiloxane materials prepared by these methods are solid materials which can be easily dispersed in a solvent of choice.

Abstract: The present invention relates generally to a novel process for making a solid solventless MQ resin comprising the steps of (1)(A) feeding at least one MQ resin dispersed in a volatile solvent into an extrusion device, (2) removing the volatile solvent to form a solid solventless MQ resin; and (3) recovering the solid solventless MQ resin, provided steps (1) to (3) are completed without the addition of a linear silicone fluid.

Abstract: Thermal curable compositions contains a glycidyl ether epoxide resin, a carbinol functional silicone resin or an anhydride functional silicone resin, and a thermal catalyst. An organic polyol, an organic anhydride, and filler, are optional components that may also be included in the composition. The glycidyl ether epoxide resin adds toughness and adhesion to the composition, whereas the carbinol functional silicone resin and the anhydride functional silicone resin provide water resistance, weatherability, thermal stability, and flexibility.

Abstract: Siloxane resin compositions obtained by mixing a MQ siloxane resin with a propyl silsesquioxane resin are disclosed. These siloxane resins are useful in a variety of personal, household, automotive and medical care applications, and in particular, as a resin additive in pigmented cosmetic formulations.

Abstract: A coating composition contains a carbamate-functional film-forming material, a carbinol-functional, nonlinear siloxane resin, and an aminoplast crosslinking agent. The composition provides excellent high-bake repair adhesion of a repair-coating layer over the initial coating.

Abstract: A coating composition, which may be a two-component coating composition, comprises a film-forming material, a crosslinking agent, and a nonlinear polysiloxane polymer having a functional group reactive with the crosslinking agent. The coating composition exhibits excellent scratch resistance and adhesion of repair coating layers and sealants, such as windshield sealants.

Abstract: A radiation or thermal curable coating composition contains a cycloaliphatic epoxide resin, a carbinol functional silicone resin or an anhydride functional silicone resin, and a thermal or photoactivated acid catalyst. An organic polyol may also be included in the composition as an optional component. The composition is useful as a radiation curable coating, as an adhesive, a photodefinable coating, or as a thermal cure coating. The cycloaliphatic epoxide resin adds toughness and adhesion to the composition, whereas either of the carbinol functional silicone resin or the anhydride functional silicone resin provides the composition with water resistance, weatherability, thermal stability, and flexibility.

Abstract: A coating composition, particularly a clearcoat composition, which may be a two-component clearcoat composition, comprises a film-forming material, a crosslinking agent, and a nonlinear polysiloxane polymer having a functional group reactive with the crosslinking agent. The coating composition exhibits excellent scratch resistance and adhesion of repair coating layers and sealants, such as windshield sealants.

Abstract: A radiation or thermal curable coating composition contains a cycloaliphatic epoxide resin, a carbinol functional silicone resin or an anhydride functional silicone resin, and a thermal or photoactivated acid catalyst. An organic polyol may also be included in the composition as an optional component. The composition is useful as a radiation curable coating, as an adhesive, a photodefinable coating, or as a thermal cure coating. The cycloaliphatic epoxide resin adds toughness and adhesion to the composition, whereas either of the carbinol functional silicone resin or the anhydride functional silicone resin provides the composition with water resistance, weatherability, thermal stability, and flexibility.

Abstract: This invention relates to a flame retardant composition comprising: (a) 81 to 99.99 weight percent of a thermoplastic resin, thermoset resin, thermoplastic resin blend, or thermoset resin blend which upon burning forms a char and (b) 0.01-19 weight percent of a silsesquioxane resin having a weight average molecular weight of greater than 300.

Abstract: Thermal curable compositions contains a glycidyl ether epoxide resin, a carbinol functional silicone resin or an anhydride functional silicone resin, and a thermal catalyst. An organic polyol, an organic anhydride, and filler, are optional components that may also be included in the composition. The glycidyl ether epoxide resin adds toughness and adhesion to the composition, whereas the carbinol functional silicone resin and the anhydride functional silicone resin provide water resistance, weatherability, thermal stability, and flexibility.

Abstract: A planar optical waveguide assembly prepared by a method comprising the steps of (i) applying a curable polymer composition to a surface of a substrate to form a polymer film; (ii) curing the polymer film to form a lower clad layer; (iii) applying a silicone composition to the lower clad layer to form a silicone film; (iv) exposing at least one selected region of the silicone film to radiation having a wavelength of from 150 to 800 nm to produce a partially exposed film having at least one exposed region and at least one non-exposed region; (v) removing the non-exposed region of the partially exposed film with a developing solvent to form a patterned film; and (vi) heating the patterned film for an amount of time sufficient to form at least one silicone core having a refractive index of from 1.3 to 1.7 at 23° C. for light having a wavelength of 589 nm; wherein the lower clad layer has a refractive index less than the refractive index of the silicone core.

Abstract: A method of preparing a planar optical waveguide assembly, comprising the steps of (i) applying a curable polymer composition to a surface of a substrate to form a polymer film; (ii) curing the polymer film to form a lower clad layer; (iii) applying a silicone composition to the lower clad layer to form a silicone film; (iv) exposing at least one selected region of the silicone film to radiation having a wavelength of from 150 to 800 nm to produce a partially exposed film having at least one exposed region and at least one non-exposed region; (v) removing the non-exposed region of the partially exposed film with a developing solvent to form a patterned film; and (vi) heating the patterned film for an amount of time sufficient to form at least one silicone core having a refractive index of from 1.3 to 1.7 at 23° C. for light having a wavelength of 589 nm; wherein the lower clad layer has a refractive index less than the refractive index of the silicone core.

Abstract: A method of preparing a planar optical waveguide assembly, comprising the steps of: (i) applying a silicone composition to a surface of a substrate to form a silicone film; (ii) exposing at least one selected region of the silicone film to radiation having a wavelength of from 150 to 800 nm to produce a partially exposed film having at least one exposed region and at least one non-exposed region; (iii) removing the non-exposed region of the partially exposed film with a developing solvent to form a patterned film; and (iv) heating the patterned film for an amount of time sufficient to form at least one silicone core having a refractive index of from 1.3 to 1.7 at 23° C. for light having a wavelength of 589 nm; wherein the substrate has a refractive index less than the refractive index of the silicone core. A planar optical waveguide assembly prepared according to the method of the invention.