A dielectric elastomeric material having a permittivity of 20-65 at 10.sup.3 Hz is provided. The dielectric elastomeric material is formed from a composition comprising: a polymer comprising at least one acrylate monomer; a cross-linker; and a photoinitiator. A conductive elastomer comprising the dielectric elastomeric material, as well as a method of forming the dielectric elastomeric material, are also provided.

Embodiments of the present application relate to polymers for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis, comprising dissolving a polyvalent hub having a plurality of functional groups in a solvent and contacting the polyvalent hub with one or more nucleoside analogs to form a first bioconjugate are also provided.

Embodiments of the present application relate to polymers for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis, comprising dissolving a polyvalent hub having a plurality of functional groups in a solvent and contacting the polyvalent hub with one or more nucleoside analogs to form a first bioconjugate are also provided.

An object of the present invention is to provide a photo-alignable polymer which has excellent coating properties, is capable of suppressing film thickness unevenness, and has excellent upper layer coating properties and good liquid crystal alignment properties after being formed as a layer; a binder composition; a binder layer; an optical laminate; a method for producing an optical laminate; and an image display device. The photo-alignable polymer of an embodiment of the present invention is a photo-alignable polymer having a repeating unit A including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the repeating unit A has the cleavage group in a side chain, has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group in the side chain, and the photo-alignable polymer satisfies Condition 1 or Condition 2 shown below. Condition 1: The photo-alignable polymer further has a repeating unit B including a photo-alignable group, in addition to the repeating unit A. Condition 2: The repeating unit A includes a photo-alignable group on a side closer to the main chain than the cleavage group in the side chain.

An object of the present invention is to provide a photo-alignable polymer which has excellent coating properties, is capable of suppressing film thickness unevenness, and has excellent upper layer coating properties and good liquid crystal alignment properties after being formed as a layer; a binder composition; a binder layer; an optical laminate; a method for producing an optical laminate; and an image display device. The photo-alignable polymer of an embodiment of the present invention is a photo-alignable polymer having a repeating unit A including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the repeating unit A has the cleavage group in a side chain, has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group in the side chain, and the photo-alignable polymer satisfies Condition 1 or Condition 2 shown below. Condition 1: The photo-alignable polymer further has a repeating unit B including a photo-alignable group, in addition to the repeating unit A. Condition 2: The repeating unit A includes a photo-alignable group on a side closer to the main chain than the cleavage group in the side chain.

A polymer compound represented by formula (1) in formula (1), R.sub.1 and R.sub.2 each independently represent a hydrogen atom or a methyl group. In formula (1), m and n are average numbers of repeating units, and each independently represent a real number within the range of 1 to 2000. The polymer compound has sufficient flexibility to be able to form a film, exhibits high adhesion to a low roughness copper foil, and has a low dielectric constant and dielectric loss tangent.

##STR00001##

The disclosure provides a water-repellent treatment composition including a functionalised copolymer of a monomer including a di-carboxylic acid anhydride group and a monomer selected from vinyl monomers. The vinyl monomer and optionally the monomer include a di-carboxylic acid anhydride group and form a polymer backbone. At least a portion of the di-carboxylic acid anhydride groups are functionalised by a graft pendant group including two or more fatty aliphatic groups linked to the polymer backbone via an ester, amide or imide of the dicarboxylic acid anhydride.

The disclosure provides a water-repellent treatment composition including a functionalised copolymer of a monomer including a di-carboxylic acid anhydride group and a monomer selected from vinyl monomers. The vinyl monomer and optionally the monomer include a di-carboxylic acid anhydride group and form a polymer backbone. At least a portion of the di-carboxylic acid anhydride groups are functionalised by a graft pendant group including two or more fatty aliphatic groups linked to the polymer backbone via an ester, amide or imide of the dicarboxylic acid anhydride.

A viscosity index improver comprising a reaction product of (i) an acylated copolymer obtainable by acylating a copolymer of ethylene and one or more C.sub.3-C.sub.10 alpha-olefins having an Mn of 3,000 to 250,000 g/mol; and (ii) a compound of the formulae (III)-(V): ##STR00001##
wherein R.sub.6, R.sub.8, R.sub.9, R.sub.10, R.sub.12 and R.sub.15 are independently selected from a hydrogen and an optionally substituted linear or branched alkyl or alkenyl group, and R.sub.7, R.sub.11, R.sub.13, R.sub.14, R.sub.16, and R.sub.17 are independent selected from an optionally substituted linear or branched alkyl or alkenyl group, and a sum of the number of carbon atoms in each compound of the formulae (III)-(V) is from 6 to 31.

A viscosity index improver comprising a reaction product of (i) an acylated copolymer obtainable by acylating a copolymer of ethylene and one or more C.sub.3-C.sub.10 alpha-olefins having an Mn of 3,000 to 250,000 g/mol; and (ii) a compound of the formulae (III)-(V): ##STR00001##
wherein R.sub.6, R.sub.8, R.sub.9, R.sub.10, R.sub.12 and R.sub.15 are independently selected from a hydrogen and an optionally substituted linear or branched alkyl or alkenyl group, and R.sub.7, R.sub.11, R.sub.13, R.sub.14, R.sub.16, and R.sub.17 are independent selected from an optionally substituted linear or branched alkyl or alkenyl group, and a sum of the number of carbon atoms in each compound of the formulae (III)-(V) is from 6 to 31.