Abstract: The present invention describes novel macromonomers containing polyisobutene groups and homo- or copolymers thereof.

Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.

Abstract: The present invention relates to a copolymer obtainable by copolymerization of at least three ethylenically unsaturated monomers each different from one another, the copolymer having at least three structural units (S1) and (S2) and (S3) different from one another, to the use of this copolymer as an adhesion-promoting additive in an aqueous coating composition, to an aqueous coating composition comprising at least one polymeric resin (A1), at least one pigment (B), and at least one copolymer of the invention, used as adhesion-promoting additive, as component (C), and also to methods for at least partly coating a substrate with a basecoat and for at least partly coating a substrate with a multicoat paint system.

Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.

Abstract: Described is a hotmelt adhesive comprising at least one poly(meth)acrylate which is formed from at least one monomer M1, selected from C1 to C18 alkyl (meth)acrylates, and from at least one monomer MI of the general formula where X is O, NH or CH2, Y is a divalent organic connecting group, and R is H or methyl. Also described is a corresponding poly(meth)acrylate with copolymerized photoinitiator, and also the use for the production of adhesives, preferably of pressure-sensitive adhesives for producing adhesive labels, adhesive tapes, plasters, bandages, and self-adhesive sheets.

Abstract: A curable composition comprises a) at least one epoxide compound E having at least two epoxide groups; b) at least one amine A having at least two amine hydrogens; and c) at least one acrylic ester U; wherein the epoxide compound E comprises at least one epoxide compound E?, the amine A comprises at least one amine A?, and the acrylic ester U comprises at least one acrylic ester U? whose Hansen solubility parameters for the dipole forces ?p and for the specific interactions ?h satisfy the following conditions: ?{square root over ((?p(U?)??p(E?))2+(?h(U?)??h(E?))2)}?1.5 and ?{square root over ((?p(U?)2??h(U?)2))}??{square root over ((?p(A?)2+?h(A?)2))}?0. A suitable choice of the Hansen solubility parameters of the constituents ensures that the acrylic ester is incorporated covalently into the curing material, preventing subsequent evaporation of the diluent.

Abstract: The invention relates to a process for preparing a compound of the formula (I), in which R is H or C1-C6 alkyl, by reaction of at least one compound of the formula (II) in which R has the same definition as in the formula (I) and in which R1 is H, C1-C12 alkyl or C3-C12 cycloalkyl, with a compound of the formula (III) in which R2 is H or C(O)R3, in which R3 is H or C1-C12 alkyl, in the presence of at least one enzyme suitable for transesterification.

Abstract: The present invention relates to the use of a compound as a capping agent for controlling or modifying the growth of silver nanowires in a polyol method. The invention also relates to a corresponding method of making silver nanowires. And even further, the present invention relates to a product comprising silver nanowires having adsorbed to their surface a capping agent compound.

Abstract: A process for preparing heonone (meth)acrylate by transesterification of alkyl (meth)acrylate with heonone.

Abstract: The present invention relates to a copolymer obtainable by copolymerization of at least three ethylenically unsaturated monomers each different from one another, the copolymer having at least three structural units (S1) and (S2) and (S3) different from one another, to the use of this copolymer as an adhesion-promoting additive in an aqueous coating composition, to an aqueous coating composition comprising at least one polymeric resin (A1), at least one pigment (B), and at least one copolymer of the invention, used as adhesion-promoting additive, as component (C), and also to methods for at least partly coating a substrate with a basecoat and for at least partly coating a substrate with a multicoat paint system.

Abstract: A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.

Abstract: A composition and method of improving the fuel economy of hydrocarbon fuel-powdered internal combustion engines. The composition contains a propoxylated and/or butoxylated reaction product of (a) at least one fatty acid, fatty acid ester, or mixture thereof and (b) a dialkanolamime. The composition is added to a hydrocarbon fuel in an amount of about 5 to about 2,000 ppm, based on the weight of the hydrocarbon fuel, to reduce friction within the engine and achieve an enhanced fuel economy.

Abstract: A process for preparing isosorbide di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide, comprising the steps of: (i) reacting alkyl (meth)acrylate with isosorbide in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (i) and (ii) are conducted simultaneously until the isosorbide has been essentially fully converted, (iii) adding water to the product mixture which comprises isosorbide (meth)acrylate and is obtained in steps (i) and (ii) and removing the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV), (iv) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture, (v) distilling off water from the product mixture, wherein step (iv) can also be conducted before step (iii) and steps (iv) an

Abstract: A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.

Abstract: The invention relates to a process for preparing a compound of the formula (I), in which R is H or C1-C6 alkyl, by reaction of at least one compound of the formula (II) in which R has the same definition as in the formula (I) and in which R1 is H, C1-C12 alkyl or C3-C12 cycloalkyl, with a compound of the formula (III) in which R2 is H or C(O)R3, in which R3 is H or C1-C12 alkyl, in the presence of at least one enzyme suitable for transesterification.

Abstract: The invention relates to a process for preparing heonone (meth)acrylate by transesterification of alkyl (meth)acrylate with heonone, which comprises the steps: (i) reaction of alkyl (meth)acrylate with heonone in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an entrainer which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuous removal by distillation of the azeotrope of entrainer and alcohol, with steps (i) and (ii) being carried out simultaneously until heonone has been essentially completely reacted, (iii) addition of water to the product mixture comprising heonone (meth)acrylate obtained in steps (i) and (ii) and removal of the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV) by filtration, (iv) distillation of unreacted alkyl (meth)acrylate and entrainer from the product mixture, (v) distillation of water from the product mixture, with step (iv) also being able to be carried out before ste

Abstract: In a process for preparing (meth)acrylic esters (E) of polyalkoxy-containing alcohols which comprises reacting polyalkoxy-containing alcohols (P) of formula (I) where R1 is hydrogen, a hydroxyl group or a straight-chain or branched, saturated or unsaturated alcohol of 1 to 30 carbon atoms, R2 and R3 are each independently H or methyl, and m and n are each independently an integer between 0 and 100, with the proviso that m and n cannot both be 0, with a (meth)acrylic anhydride (A) in the presence of at least one basic catalyst (K) having a pKB value of not more than 7.0 and of at least one sterically hindered polymerization inhibitor, the reaction mixture is quenched with a C1-C6 alkanol after the reaction has ended.

Abstract: The invention relates to a method of preparing a C8-C22 alkyl (meth)acrylate by transesterification of C1-C2 alkyl (meth)acrylate with a C8-C22 alkanol, said method comprising the steps of (i) reacting C1-C2 alkyl (meth)acrylate with the C8-C22 alkanol in the presence of a particulate potassium phosphate heterogeneous catalyst and a stabilizer thus releasing C1-C2 alkanol, (ii) continuously distilling off the azeotrope of C1-C2 alkyl (meth)acrylate and the C1-C2 alkanol, wherein steps (i) and (ii) are carried out simultaneously until substantially all of the C8-C22 alkanol has reacted, (iii) distilling off unconverted C1-C2 alkyl (meth)acrylate, (iv) washing the C8-C22 alkyl (meth)acrylate-comprising product mixture obtained in steps (i) through (iii) with an aqueous phase to separate off the catalyst and the stabilizer from the product mixture with the aqueous phase and optionally adding a stabilizer, (v) distilling off water from the product mixture, wherein step (iii) may also be effected after step (iv) a

Abstract: The invention relates to a process for preparing a C8-C24 alkyl(meth)acrylate by transesterification of methyl(meth)acrylate with a C8-C24 alkanol, said process comprising the steps of: (i) reacting methyl(meth)acrylate with the C8-C24 alkanol in the presence of a tin-comprising catalyst and a stabilizer in the presence of an entraining agent which forms an azeotrope with methanol, (ii) continuously distilling off the azeotrope of entraining agent and methanol wherein steps (i) and (ii) are carried out simultaneously until the C8-C24 alkanol has been substantially completely reacted, (iii) washing with an aqueous alkaline washing solution the C8-C24 alkyl (meth)acrylate-comprising product mixture obtained in steps (i) and (ii) to remove from the product mixture the tin-comprising catalyst and at least some of the stabilizer, (iv) distilling off unconverted methyl(meth)acrylate and entraining agent from the product mixture, (v) distilling off water from the product mixture wherein a product having a by-product

Abstract: The invention relates to a process for preparing (meth)acrylic esters by esterifying (meth)acrylic acid or transesterifying at least one (meth)acrylic ester with at least one compound comprising at least one OH group in the presence of a heterogeneous catalyst comprising at least one inorganic salt, wherein the esterification or transesterification is performed in the presence of 300 to 3000 ppm of water based on the total weight of the reaction mixture.