An antistatic agent for an ABS resin includes an ionically bonded salt ##STR00001##
where R.sub.1 is a substituted or unsubstituted straight, branched or cyclic C.sub.1 to C.sub.30 alkyl group, a substituted or unsubstituted C.sub.6 to C.sub.30 aryl group.sub.+ or a substituted or unsubstituted C.sub.7 to C.sub.30 arylalkyl group, A is a straight or branched C.sub.2 to C.sub.4 alkylene group, n is an integer from 0 to 50, and Q.sub.1 is a secondary or tertiary ammonium ion, or ##STR00002##
where R.sub.2 is a substituted or unsubstituted straight, branched or cyclic C.sub.1 to C.sub.30 alkyl group, a substituted or unsubstituted C.sub.6 to C.sub.30 aryl group, or a substituted or unsubstituted C.sub.7 to C.sub.31 arylalkyl group, A is a straight or branched C.sub.2 to C.sub.4 alkylene group, and Q.sub.2 is a secondary or tertiary ammonium ion.

An object of the present invention is to provide a pressure-sensitive adhesive composition capable of firmly bonding members when no voltage is applied and forming a pressure-sensitive adhesive layer whose adhesive force is sufficiently reduced when a voltage is applied, a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a bonded body. The present invention relates to a pressure-sensitive adhesive composition containing a polymer, an ionic liquid, and a tackifier, in which a product of an acid value [mgKOH/g] of the tackifier and a content [parts by mass] of the tackifier with respect to 100 parts by mass of the polymer is less than 1,200, and relates to a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a bonded body.

An object of the present invention is to provide a pressure-sensitive adhesive composition whose adhesive force is sufficiently reduced by applying a voltage even after storage in a high-temperature and high-humidity environment. The present invention relates to a pressure-sensitive adhesive composition containing a first polymer as a base polymer and an ionic liquid and further containing a second polymer having a glass transition temperature Tg of 40 C. to 180 C.

A pressure-sensitive adhesive composition, comprising: a (meth)acryl-based polymer (A); and an ionic compound (B) comprising an anion component and a cation component, wherein the (meth)acryl-based polymer (A) is a hydroxyl group-containing (meth)acryl-based polymer (A) containing a monomer unit derived from a hydroxyl group-containing monomer, and the anion component has an organic group and three or more carbon atoms. The anion component is preferably at least one of anion components represented by the following formula (1):
(C.sub.nF.sub.2n+1SO.sub.2).sub.2N.sup.(1)
wherein n is an integer of 3 to 10; the following formula (2):
CF.sub.2(C.sub.mF.sub.2mSO.sub.2).sub.2N.sup.(2)
wherein m is an integer of 2 to 10; and the following formula (3):
.sup.O.sub.3S(CF.sub.2).sub.lSO.sub.3.sup.(3)
wherein l is an integer of 3 to 10.

A lower part protection film for an OLED panel is provided. More particularly, a lower part protection film for an OLED panel, having a significantly improved recognition rate of an alignment process, being capable of preventing generation of static electricity through an antistatic treatment, and having excellent adhesion to an OLED panel at the same time, and an organic light-emitting display apparatus including the lower part protection film for an OLED panel are provided.

The present invention relates to a pelleted acetylene black having a mass strength measured according to ASTM D 1937-10 of 200 N at most and an average pellet size measured according to ASTM D 1511-10 of at least 1.0 mm, to the use of any of said pelleted acetylene blacks to produce a compound comprising a resin or polymer or rubber matrix and the acetylene black dispersed in said matrix and to a method for producing such a compound.

An adhesive composition includes an acryl copolymer, a cross-linking agent, and an ionic antistatic agent represented by Formula 1, thereby exhibiting excellent antistatic property, as well as, significantly improved durability, maintaining excellent adhesiveness under severe conditions such as high temperature and high humidity atmospheres, and securing sufficient antistatic property even if used in a small amount.

A method of manufacturing an object including: impregnating a material comprising a plurality of boron nitride structures, the boron nitride structures comprising boron nitride nanotubes, or a hybrid of two or more forms of crystalline boron nitride structures, with a matrix material to form a composite material; moulding the composite material; and curing the composite material, wherein the object is at least partially fabricated from the composite material.

A hexagonal BN powder containing an aggregate of primary particles of hexagonal BN nitride and having an average primary particle diameter, a 50% volume cumulative particle diameter D.sub.50, a BET specific surface area, and a bulk density within predetermined ranges. Further, for a peak A in the particle diameter range of 1.0 m or more and less than 20.0 m and a peak B in the particle diameter range of 20.0 m or more and less than 200.0 m in a particle size distribution curve, the ratios of the height of the peaks are within predetermined ranges when the hexagonal BN powder is treated under predetermined conditions. Also disclosed is a method for producing the hexagonal BN powder, a composition including the hexagonal BN powder and at least one of a resin and a rubber, and a heat dissipation material containing the composition.