Abstract: The present invention is a composition comprising an aqueous dispersion of copolymer particles comprising structural units of a) an acrylate monomer; b) an acid monomer; and c) a siloxane-acrylate monomer of formula I: where R, R1, R2, Y and x are defined herein. The composition, which also comprises a nonionic and anionic surfactant as described herein, is useful in a variety of applications ranging from architectural coatings to personal care products.

Abstract: The present invention relates to a composition comprising an aqueous dispersion of acrylate-siloxane copolymer particles comprising structural units of an acrylate monomer; an acid monomer; and a siloxane acrylate monomer of formula I: where R, R1, R2, Y and x are as defined herein. The composition has a high solids content, a low concentration of siloxane acrylate monomer and low coagulum levels. The composition is useful for forming coatings with improved hydrophobicity, stain resistance, and aesthetic/haptic properties compared with conventional all-acrylic compositions.

Abstract: Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.

Abstract: An automatic dishwashing composition is provided including a builder; a phosphonate; a nonionic surfactant; and a dispersant polymer, comprising: (a) 50 to 95 wt %, based on weight of the dispersant polymer, of structural units of a monoethylenically unsaturated monocarboxylic acid monomer; and (b) 5 to 50 wt %, based on weight of the dispersant polymer, of structural units of a sulfate bearing ethylenically unsaturated monomer.

Abstract: A method of preparing an acryloxy-functional organosilicon compound is provided. The method comprises reacting (A) an initial (C) a catalyst. The initial organosilicon compound (A) has one alcohol functional group (i.e., is monohydroxyl functional). The catalyst (C) has the formula M[RC(O)CHC(O)R]4, where M is a group IV transition metal and each R is an independently selected substituted or unsubstituted hydrocarbyl group. An acryloxy-functional organo silicon compound prepared by the method is also provided. The acryloxy-functional organosilicon compound is prepared in increased purity, without relying on toxic catalysts.

Abstract: A composition contains ethylenically unsaturated quaternary ammonium cations with acetate counterions, where each of the ethylenically unsaturated ammonium cations contain only one non-aromatic carbon-carbon double bond and the composition contains less than one mole-percent chloride relative to quaternary ammonium cations can be polymerized to form a cationic polymer acetate.

Abstract: A hydrophobically modified rheology modifier comprising: (a) from 1 to 20 wt % polymerized units of H2C?C(R)C(O)O(CH2CH2O)n(CH(R?)CH2O)mR?; (b) from 35 to 75 wt % polymerized units of C1-C4 alkyl (meth)acrylates; and (c) from 20 to 60 wt % polymerized units of C3-C6 carboxylic acid monomers; wherein R is H or CH3, R? is methyl or ethyl; R? is C29-C60 alkyl; n is an average number from 20 to 100 and m is an average number from 0 to 50, provided that n?m.

Abstract: Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.

Abstract: A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.

Abstract: A hydrophobically modified rheology modifier comprising: (a) from 1 to 20 wt % polymerized units of H2C?C(R)C(O)O(CH2CH2O)n(CH(R?)CH2O)mR?; (b) from 35 to 75 wt % polymerized units of C1-C4 alkyl (meth)acrylates; and (c) from 20 to 60 wt % polymerized units of C3-C6 carboxylic acid monomers; wherein R is H or CH3, R? is methyl or ethyl; R? is C29-C60 alkyl; n is an average number from 20 to 100 and m is an average number from 0 to 50, provided that n?m.

Abstract: A composition contains ethylenically unsaturated quaternary ammonium cations with acetate counterions, where each of the ethylenically unsaturated ammonium cations contain only one non-aromatic carbon-carbon double bond and the composition contains less than one mole-percent chloride relative to quaternary ammonium cations can be polymerized to form a cationic polymer acetate.

Abstract: Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.

Abstract: A composition contains ethylenically unsaturated quaternary ammonium cations with acetate counterions, where each of the ethylenically unsaturated ammonium cations contain only one non-aromatic carbon-carbon double bond and the composition contains less than one mole-percent chloride relative to quaternary ammonium cations can be polymerized to form a cationic polymer acetate.

Abstract: A composition contains ethylenically unsaturated quaternary ammonium cations with ethylenically unsaturated carboxylate anion counterions and less than one mole-percent chloride relative to quaternary ammonium cations. Polymerization of the composition yields a mixed-charge polymer.

Abstract: A composition contains a mixed-charge polymer comprising independent pendant quaternary ammonium functionalities and pendant carboxylate functionalities extending from the polymer backbone, wherein the composition comprises less than one weight-percent chloride relative to composition weight.

Abstract: Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.

Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles comprising structural units of a polymerizable amino acid and structural units of an acid monomer or a salt thereof. The composition of the present invention is useful in improving lipstick stain resistance in coatings compositions.

Abstract: A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.

Abstract: The present invention is a process for converting a phosphonate to a hydroxyalkyl phosphonic acid comprising the step of contacting together water, the phosphonate, and a sulfonated or phosphonated heterogeneous catalyst under conditions sufficient to convert at least 50% of the phosphonate to the hydroxyalkyl phosphonic acid. The process of the present invention provides a way of preparing hydroxyalkyl phosphonic acids safely and economically, without corrosive effects.

Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles comprising structural units of a polymerizable amino acid and structural units of an acid monomer or a salt thereof. The composition of the present invention is useful in improving lipstick stain resistance in coatings compositions.