Provided is a novel imidic acid compound having a divalent anion useful as a pharmaceutical intermediate, an agrochemical intermediate, an acid catalyst, a battery electrolyte or an antistatic agent. The imidic acid compound is a divalent imidic acid compound represented by the following general formula (1) or (2).

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[In formulae (1) and (2), R.sup.1 to R.sup.3 represent a fluorine atom or an organic groups selected from a linear or branched C1-10 alkoxy group, a C2-10 alkenyloxy group, a C2-10 alkynyloxy group, a C3-10 cycloalkoxy group, a C3-10 cycloalkenyloxy group and a C6-10 aryloxy group, and wherein a fluorine atom, an oxygen atom or an unsaturated bond may also be present in the organic group. M.sup.1 and M.sup.2 represent protons, metal cations or onium cations.]

Provided are: an antistatic agent and an antistatic agent composition which are capable of providing excellent antistatic effect in a small amount and have sufficient persistence and wiping resistance without impairing the intrinsic physical properties of a resin; and an antistatic resin composition and a molded article using the same.

The antistatic agent includes a polymer compound (E) having a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which comprises at least one group represented by the following Formula (1) and has hydroxyl groups at both ends, and a polyhydric alcohol (D) having three or more hydroxyl groups are bound via ester bonds:

—CH.sub.2—CH.sub.2—0—  (1)

Provided are: an antistatic agent and an antistatic agent composition which are capable of providing excellent antistatic effect in a small amount and have sufficient persistence and wiping resistance without impairing the intrinsic physical properties of a resin; and an antistatic resin composition and a molded article using the same.

The antistatic agent includes a polymer compound (E) having a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which comprises at least one group represented by the following Formula (1) and has hydroxyl groups at both ends, and a polyhydric alcohol (D) having three or more hydroxyl groups are bound via ester bonds:

—CH.sub.2—CH.sub.2—0—  (1)

This invention describes a dispersion for coating a polymer surface comprising polyglycerol esters and a surfactant being a neutralized or partially neutralised fatty acid or a neutralized or partially neutralized ester of fatty acids. The dispersion can be diluted into a coating composition, which can be applied as a coating on a polymer surface. The coating has anti-static and anti-fogging effects and can be used for for example a variety of different packaging materials.

This invention describes a dispersion for coating a polymer surface comprising polyglycerol esters and a surfactant being a neutralized or partially neutralised fatty acid or a neutralized or partially neutralized ester of fatty acids. The dispersion can be diluted into a coating composition, which can be applied as a coating on a polymer surface. The coating has anti-static and anti-fogging effects and can be used for for example a variety of different packaging materials.

Provided are: an antistatic agent which can continuously impart an excellent antistatic effect to a synthetic resin and has excellent storage stability and productivity (cutting property); an antistatic agent composition containing the same; an antistatic resin composition containing the antistatic agent or the antistatic agent composition; and a molded article thereof. The antistatic agent contains at least one polymer compound (E) which is obtained by a reaction of a polyester (a) obtained by a reaction between a diol (a1) and a dicarboxylic acid (a2), a compound (b) containing at least one ethyleneoxy group and having hydroxy groups at both ends, and an epoxy compound (D) containing two or more epoxy groups. The diol (a1) is at least either of 1,4-butanediol and ethylene glycol, and the dicarboxylic acid (a2) is succinic acid or a dicarboxylic acid mixture containing succinic acid.

Provided are: an antistatic agent which can continuously impart an excellent antistatic effect to a synthetic resin and has excellent storage stability and productivity (cutting property); an antistatic agent composition containing the same; an antistatic resin composition containing the antistatic agent or the antistatic agent composition; and a molded article thereof. The antistatic agent contains at least one polymer compound (E) which is obtained by a reaction of a polyester (a) obtained by a reaction between a diol (a1) and a dicarboxylic acid (a2), a compound (b) containing at least one ethyleneoxy group and having hydroxy groups at both ends, and an epoxy compound (D) containing two or more epoxy groups. The diol (a1) is at least either of 1,4-butanediol and ethylene glycol, and the dicarboxylic acid (a2) is succinic acid or a dicarboxylic acid mixture containing succinic acid.

The invention provides a glass sheet or another transparent substrate on which there is provided a static-dissipative coating. The static-dissipative coating includes a film comprising titania. The film comprising titania preferably is exposed so as to define an outermost face of the static-dissipative coating. The static-dissipative coating is characterized by an indoor dust collection factor of less than 0.145.

The invention provides a glass sheet or another transparent substrate on which there is provided a static-dissipative coating. The static-dissipative coating includes a film comprising titania. The film comprising titania preferably is exposed so as to define an outermost face of the static-dissipative coating. The static-dissipative coating is characterized by an indoor dust collection factor of less than 0.145.

In an example of the present disclosure, a three-dimensional (3D) printing kit includes a build material composition and a fusing agent. The build material composition includes polymer particles and an organometallic compound thy-mixed with the polymer particles to prevent Coulombic agglomeration of the composition during pneumatic conveyance of the composition. The fusing agent is to be applied to at least a portion of the build material composition during 3D printing. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polymer particles in the at least the portion.