An aqueous gel that is prepared by gelling a polymer components, the polymer components containing polymer A, which is obtained by polymerizing a monomer component containing a betaine monomer represented by the formula (I): ##STR00001##
wherein R.sup.1 represents hydrogen atom or an alkyl group, R.sup.2 represents an alkylene, arylene, aralkylene, COOH or CONH group; R.sup.3 and R.sup.4 represent an alkyl group, and R.sup.5 represents an alkylene group, and a polymer B, which is obtained by polymerizing a monomer component containing an acidic monomer represented by the formula (II): ##STR00002##
wherein R.sup.1 represents hydrogen atom or an alkyl group; R.sup.6 represents an optionally neutralized sulfonate group, an optionally neutralized phosphate group, or an alkyl, aryl, aralkyl, carboxyl or amino group carrying an optionally neutralized sulfonate group or an optionally neutralized phosphate group.

An aqueous gel that is prepared by gelling a polymer components, the polymer components containing polymer A, which is obtained by polymerizing a monomer component containing a betaine monomer represented by the formula (I): ##STR00001##
wherein R.sup.1 represents hydrogen atom or an alkyl group, R.sup.2 represents an alkylene, arylene, aralkylene, COOH or CONH group; R.sup.3 and R.sup.4 represent an alkyl group, and R.sup.5 represents an alkylene group, and a polymer B, which is obtained by polymerizing a monomer component containing an acidic monomer represented by the formula (II): ##STR00002##
wherein R.sup.1 represents hydrogen atom or an alkyl group; R.sup.6 represents an optionally neutralized sulfonate group, an optionally neutralized phosphate group, or an alkyl, aryl, aralkyl, carboxyl or amino group carrying an optionally neutralized sulfonate group or an optionally neutralized phosphate group.

An aqueous gel that is prepared by gelling a polymer components, the polymer components containing polymer A, which is obtained by polymerizing a monomer component containing a betaine monomer represented by the formula (I): ##STR00001##
wherein R.sup.1 represents hydrogen atom or an alkyl group, R.sup.2 represents an alkylene, arylene, aralkylene, COOH or CONH group; R.sup.3 and R.sup.4 represent an alkyl group, and R.sup.5 represents an alkylene group, and a polymer B, which is obtained by polymerizing a monomer component containing an acidic monomer represented by the formula (II): ##STR00002##
wherein R.sup.1 represents hydrogen atom or an alkyl group; R.sup.6 represents an optionally neutralized sulfonate group, an optionally neutralized phosphate group, or an alkyl, aryl, aralkyl, carboxyl or amino group carrying an optionally neutralized sulfonate group or an optionally neutralized phosphate group.

An example of a functionalized plasmonic nanostructure includes a plasmonic nanostructure core; a polymeric hydrogel attached to the plasmonic nanostructure core, the polymeric hydrogel having a thickness ranging from about 10 nm to about 200 nm; and a plurality of primers attached to side chains or arms of the polymeric hydrogel, wherein at least some of the plurality of primers are attached to the polymeric hydrogel at different distances from the plasmonic nanostructure core.

An example of a functionalized plasmonic nanostructure includes a plasmonic nanostructure core; a polymeric hydrogel attached to the plasmonic nanostructure core, the polymeric hydrogel having a thickness ranging from about 10 nm to about 200 nm; and a plurality of primers attached to side chains or arms of the polymeric hydrogel, wherein at least some of the plurality of primers are attached to the polymeric hydrogel at different distances from the plasmonic nanostructure core.

An object of the present invention is to provide a polydimethylacrylamide powder, a polydimethylacrylamide solution, and a method for producing a polydimethylacrylamide powder, which have extremely good solubility in various solvents and other production raw materials, and can exhibit remarkable hydrophilicity, lubricity, and transparency when used as a raw material of a medical device. The present invention provides a polydimethylacrylamide powder containing polydimethylacrylamide as a main component and having a bulk density of 0.60 g/mL or less, and a method for producing the polydimethylacrylamide powder.

An object of the present invention is to provide a polydimethylacrylamide powder, a polydimethylacrylamide solution, and a method for producing a polydimethylacrylamide powder, which have extremely good solubility in various solvents and other production raw materials, and can exhibit remarkable hydrophilicity, lubricity, and transparency when used as a raw material of a medical device. The present invention provides a polydimethylacrylamide powder containing polydimethylacrylamide as a main component and having a bulk density of 0.60 g/mL or less, and a method for producing the polydimethylacrylamide powder.

This application relates to the field of battery technologies, and in particular, to a binder and a preparation method thereof, and a separator, electrode assembly, battery cell, battery, and electric apparatus containing such binder. The binder includes a capsule and a core material provided in the capsule, where the capsule includes an organic polymer, and the core material includes a plasticizer. The plasticizer is encapsulated as the core material inside the capsule of the organic polymer to improve adhesion performance of the organic polymer, so as to increase adhesion force between a separator and an electrode plate by the binder.

Embodiments of the present application relate to polymers used as polymeric polyvalent hubs for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polymers are also provided.

Embodiments of the present application relate to polymers used as polymeric polyvalent hubs for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polymers are also provided.