An aqueous dispersion, comprising: (i) an emulsion polymer comprising, by weight based on the weight of the emulsion polymer, from 30% to 80% of structural units of a soft alkyl (meth)acrylate with a biobased content (as measured in the description) more than 30% to 60%, wherein the soft alkyl (meth)acrylate is ethyl acrylate, ethyl methacrylate, or a mixture thereof; more than 5% to 30% of structural units of a C 12 -C 16 -alkyl (meth)acrylate with a biobased content greater than 60%, from 0.1% to 10% of structural units of an acetoacetoxy or acetoacetamide functional monomer, from 0.1% to 10% of structural units of an ethylenically unsaturated monomer carrying at least one functional group selected from carboxyl, carboxylic anhydride, sulfonic acid, amide, sulphonate, phosphonate, phosphate, hydroxyl, ureido, or combinations thereof; from zero to 50% structural units of a hard acrylic monomer whose homopolymer has a Tg equal to or greater than 70°C, as measured by differential scanning calorimetry or calculated by using a Fox equation; and from zero to 3% of structural units of a (meth)acryl functional silane; and (ii) from zero to 3% of an epoxy functional silane, by weight based on the weight of emulsion polymer; wherein the epoxy functional silane and the structural units of the (meth)acryl functional silane is present in a combined amount of from 0.05% to 3%, by weight based on the weight of the emulsion polymer; and wherein the C 12 -C 16 -alkyl (meth)acrylate is selected from the group consisting of lauryl methacrylate, lauryl acrylate, tetradecyl methacrylate, tetradecyl methacrylate, hexadecyl acrylate, hexadecyl methacrylate, or mixtures thereof. (i) an emulsion polymer comprising, by weight based on the weight of the emulsion polymer, from 30% to 80% of structural units of a soft alkyl (meth)acrylate with a biobased content (as measured in the description) more than 30% to 60%, wherein the soft alkyl (meth)acrylate is ethyl acrylate, ethyl methacrylate, or a mixture thereof; more than 5% to 30% of structural units of a C 12 -C 16 -alkyl (meth)acrylate with a biobased content greater than 60%, from 0.1% to 10% of structural units of an acetoacetoxy or acetoacetamide functional monomer, from 0.1% to 10% of structural units of an ethylenically unsaturated monomer carrying at least one functional group selected from carboxyl, carboxylic anhydride, sulfonic acid, amide, sulphonate, phosphonate, phosphate, hydroxyl, ureido, or combinations thereof; from zero to 50% structural units of a hard acrylic monomer whose homopolymer has a Tg equal to or greater than 70°C, as measured by differential scanning calorimetry or calculated by using a Fox equation; and from zero to 3% of structural units of a (meth)acryl functional silane; and from 30% to 80% of structural units of a soft alkyl (meth)acrylate with a biobased content (as measured in the description) more than 30% to 60%, wherein the soft alkyl (meth)acrylate is ethyl acrylate, ethyl methacrylate, or a mixture thereof; more than 5% to 30% of structural units of a C 12 -C 16 -alkyl (meth)acrylate with a biobased content greater than 60%, from 0.1% to 10% of structural units of an acetoacetoxy or acetoacetamide functional monomer, from 0.1% to 10% of structural units of an ethylenically unsaturated monomer carrying at least one functional group selected from carboxyl, carboxylic anhydride, sulfonic acid, amide, sulphonate, phosphonate, phosphate, hydroxyl, ureido, or combinations thereof; from zero to 50% structural units of a hard acrylic monomer whose homopolymer has a Tg equal to or greater than 70°C, as measured by differential scanning calorimetry or calculated by using a Fox equation; and from zero to 3% of structural units of a (meth)acryl functional silane; and (ii) from zero to 3% of an epoxy functional silane, by weight based on the weight of emulsion polymer; wherein the epoxy functional silane and the structural units of the (meth)acryl functional silane is present in a combined amount of from 0.05% to 3%, by weight based on the weight of the emulsion polymer; and wherein the C 12 -C 16 -alkyl (meth)acrylate is selected from the group consisting of lauryl methacrylate, lauryl acrylate, tetradecyl methacrylate, tetradecyl methacrylate, hexadecyl acrylate, hexadecyl methacrylate, or mixtures thereof. wherein the epoxy functional silane and the structural units of the (meth)acryl functional silane is present in a combined amount of from 0.05% to 3%, by weight based on the weight of the emulsion polymer; and wherein the C 12 -C 16 -alkyl (meth)acrylate is selected from the group consisting of lauryl methacrylate, lauryl acrylate, tetradecyl methacrylate, tetradecyl methacrylate, hexadecyl acrylate, hexadecyl methacrylate, or mixtures thereof.