##STR00001##

The present application discloses films comprising regioselectively substituted cellulose esters and a component A wherein rings A, B, C, R.sup.1, R.sup.2, R.sup.5, R.sup.6, R.sup.8, m, n, and k are defined herein. The films are C+ films that exhibit improved wavelength dispersion. <

##STR00001##

The present application discloses films comprising regioselectively substituted cellulose esters and a component A wherein rings A, B, C, R.sup.1, R.sup.2, R.sup.5, R.sup.6, R.sup.8, m, n, and k are defined herein. The films are C+ films that exhibit improved wavelength dispersion. <

The invention relates to the use of a persistent, weatherable blend of a bird repellent and a paint coating composition on exterior surfaces such as wood or building materials, to deter birds from damaging such wood or building material. The bird repellent blend has improved weatherability while retaining the effectiveness of the bird repellent.

A slurry composition and a preparation method therefor. The slurry composition comprises a filler, a slurry carrier, and a dispersing agent. The slurry carrier comprises a solvent or resin. The dispersing agent is a small molecule multifunctional cross-linking dispersing agent having at least two functional groups of crosslinkable double bonds, has a higher boiling point, thermal stability, and low polarity, and has good dispersion characteristics for fillers.

A slurry composition and a preparation method therefor. The slurry composition comprises a filler, a slurry carrier, and a dispersing agent. The slurry carrier comprises a solvent or resin. The dispersing agent is a small molecule multifunctional cross-linking dispersing agent having at least two functional groups of crosslinkable double bonds, has a higher boiling point, thermal stability, and low polarity, and has good dispersion characteristics for fillers.

Provided are a polycarbonate-polyorganosiloxane copolymer having a carbon tetrachloride concentration of less than 4 ppm by mass, and the following production method for producing the polycarbonate-polyorganosiloxane copolymer. More specifically, provided is a method of continuously producing a polycarbonate-polyorganosiloxane copolymer, the method comprising the steps of: (A) continuously or intermittently taking a polymerization reaction liquid, which is obtained by polymerizing a dihydric phenol compound, a carbonate precursor, and a specific polyorganosiloxane in the presence of an alkaline compound aqueous solution and a water-insoluble organic solvent, out of a reactor; (B) separating the polymerization reaction liquid taken out in the step (A) into an aqueous phase and a water-insoluble organic solvent phase; (C) washing the water-insoluble organic solvent phase separated in the step (B), followed by separation thereof into an aqueous phase and a water-insoluble organic solvent phase; (D) concentrating the water-insoluble organic solvent phase separated in the step (C); and (E) recovering part or all of the water-insoluble organic solvent removed by evaporation in the step (D), followed by distillation purification thereof in a distillation column, the water-insoluble organic solvent obtained in the step (E) being reused as at least part of the water-insoluble organic solvent in the step (A) or as an extraction solvent for the aqueous phase separated in the step (B), or as both thereof, in the step (E), the distillation purification being performed while a concentration of the polycarbonate-polyorganosiloxane copolymer in a column bottom liquid of the distillation column is controlled to 6% by mass or less.

Provided are a polycarbonate-polyorganosiloxane copolymer having a carbon tetrachloride concentration of less than 4 ppm by mass, and the following production method for producing the polycarbonate-polyorganosiloxane copolymer. More specifically, provided is a method of continuously producing a polycarbonate-polyorganosiloxane copolymer, the method comprising the steps of: (A) continuously or intermittently taking a polymerization reaction liquid, which is obtained by polymerizing a dihydric phenol compound, a carbonate precursor, and a specific polyorganosiloxane in the presence of an alkaline compound aqueous solution and a water-insoluble organic solvent, out of a reactor; (B) separating the polymerization reaction liquid taken out in the step (A) into an aqueous phase and a water-insoluble organic solvent phase; (C) washing the water-insoluble organic solvent phase separated in the step (B), followed by separation thereof into an aqueous phase and a water-insoluble organic solvent phase; (D) concentrating the water-insoluble organic solvent phase separated in the step (C); and (E) recovering part or all of the water-insoluble organic solvent removed by evaporation in the step (D), followed by distillation purification thereof in a distillation column, the water-insoluble organic solvent obtained in the step (E) being reused as at least part of the water-insoluble organic solvent in the step (A) or as an extraction solvent for the aqueous phase separated in the step (B), or as both thereof, in the step (E), the distillation purification being performed while a concentration of the polycarbonate-polyorganosiloxane copolymer in a column bottom liquid of the distillation column is controlled to 6% by mass or less.

A composition is provided including a resin including one or more silicon-based materials, one or more organic-based materials, or a combination of silicon-based materials and organic-based materials. The composition further includes a first solvent having a boiling point from 140° C. to 250° C. and a second solvent having a boiling point from 50° C. to 110° C., wherein the a weight ratio of the first solvent to the second solvent is from 1:1 to 1:5. Methods for applying coatings to substrates are also provided.

A composition contains: (a) a first organopolysiloxane with an average of 2 or more mercaptoalkyl groups per molecule and that is free of alkenyl functionality; (b) a second organopolysiloxane with an average of one or more alkenyl group and one or more alkoxy group per molecule; (c) a tetraalkoxy silane; (d) an ultraviolet light photoinitiator; and (E) a condensation catalyst; where the concentration of the first and second organopolysiloxanes are such that the molar ratio of mercaptoalkyl groups to alkenyl groups is in a range of 0.4 to 3.0.

A composition contains: (a) a first organopolysiloxane with an average of 2 or more mercaptoalkyl groups per molecule and that is free of alkenyl functionality; (b) a second organopolysiloxane with an average of one or more alkenyl group and one or more alkoxy group per molecule; (c) a tetraalkoxy silane; (d) an ultraviolet light photoinitiator; and (E) a condensation catalyst; where the concentration of the first and second organopolysiloxanes are such that the molar ratio of mercaptoalkyl groups to alkenyl groups is in a range of 0.4 to 3.0.