An object of the present invention is to provide a novel method of producing a nonpolar olefin polymer (e.g., a copolymer of a nonpolar olefin and a polar olefin). The present invention provides a method of producing a polar olefin polymer or copolymer, the method including the polymerization step of polymerizing a polar olefin monomer using, as a catalyst, a polymerization catalyst composition containing: 1) a metallocene complex represented by Formula (I), which contains a central metal M that is scandium (Sc) or yttrium (Y), a ligand Cp* containing a cyclopentadienyl derivative and being bound to the central metal, monoanionic ligands Q.sup.1 and Q.sup.2, and W neutral Lewis bases L wherein W is an integer of 0 to 3; and 2) an ionic compound composed of a non-coordinating anion and a cation. ##STR00001## ##STR00002##

Provided is a calixarene compound represented by structural formula (1). In structural formula (1), R.sup.1 and R.sup.2 each independently represent a structural moiety (A) having a functional group (I), a structural moiety (B) having a functional group (II) having a carbon-carbon unsaturated bond (excluding maleate groups), a structural moiety (C) having both the functional group (I) and the functional group (II), a monovalent organic group (D) that has 1 to 20 carbon atoms and is other than the structural moieties (A), (B) and (C), or a hydrogen atom (E). At least one of a plurality of R.sup.2s is the structural moiety (A), the structural moiety (B), the structural moiety (C), or the organic group (D).

##STR00001##

A resin composition of the present invention includes a polymer compound (A) containing a repeating unit (Q) represented by the following general formula (1): ##STR00001## wherein R.sub.1 represents a hydrogen atom, a methyl group, or a halogen atom; R.sub.2 and R.sub.3 represent a hydrogen atom, an alkyl group, or a cycloalkyl group; L represents a divalent linking group or a single bond; Y represents a substituent excluding a methylol group; Z represents a hydrogen atom or a substituent; m represents an integer of 0 to 4; n represents an integer of 1 to 5; and m+n is 5 or less.

A thermally conductive sheet includes: a first graphite sheet; a second graphite sheet that is any of a second graphite sheet disposed to entirely overlap the first graphite sheet, a second graphite sheet disposed to partially overlap and to be shifted from the first graphite sheet, and a second graphite sheet disposed such that there is an interval of less than 5 mm between the second graphite sheet and the first graphite sheet; a first adhesive layer configured to adhere facing surfaces of the first graphite sheet and the second graphite sheet which are disposed; metal layers stacked to sandwich the first graphite sheet and the second graphite sheet which are disposed from the top and bottom; and second adhesive layers configured to adhere facing surfaces of the first graphite sheet, the second graphite sheet, and the metal layers which are disposed.

To provide a fluorinated elastic copolymer having a low content of metal elements and being excellent in crosslinkability. This fluorinated elastic copolymer has iodine atoms and has units a based on tetrafluoroethylene, units b based on a monomer having one polymerizable unsaturated bond (but excluding tetrafluoroethylene), and units c based on a fluorinated monomer having at least two polymerizable unsaturated bonds, wherein the metal content is at least 0.3 ppm by mass and at most 20.0 ppm by mass.

The present application relates to an encapsulating composition, an organic electronic device, a method for evaluating reliability of the organic electronic device and a method for preparing the organic electronic device, and provides an encapsulating composition which can improve flatness and adhesion of an organic layer sealing an organic electronic element to effectively block moisture or oxygen introduced into an organic electronic device from the outside, thereby securing the lifetime of the organic electronic device.

The present invention relates to a compound having the following structure I: ##STR00001##
where Ar.sup.1, Ar.sup.2; R.sup.1, m, and n are defined herein. The compound of the present invention is useful as an open time additive in waterborne coatings compositions, particularly waterborne paint compositions.

[Object] To provide a method for producing a vinyl ether polymer having a hydroxyl group on the side chain, wherein the vinyl ether polymer having a low viscosity and excellent workability and processability is produced in a simple and efficient method. [Means for solving problem] The present invention relates to a method for producing a vinyl ether polymer having a hydroxyl group on the side chain, characterized in that vinyl ether comprising a hydroxyl group is subjected to radical polymerization by using an oil-soluble azo polymerization initiator, in the presence of a mixed solvent comprising water and an organic solvent selected from alcohol or cyclic ether radical polymerization.

To provide a fluorinated elastic copolymer having a low content of metal elements and being excellent in crosslinkability. This fluorinated elastic copolymer has iodine atoms and has units a based on tetrafluoroethylene, units b based on a monomer having one polymerizable unsaturated bond (but excluding tetrafluoroethylene), and units c based on a fluorinated monomer having at least two polymerizable unsaturated bonds, wherein the metal content is at least 0.3 ppm by mass and at most 20.0 ppm by mass.

The present application relates to an encapsulating composition, an organic electronic device, a method for evaluating reliability of the organic electronic device and a method for preparing the organic electronic device, and provides an encapsulating composition which can improve flatness and adhesion of an organic layer sealing an organic electronic element to effectively block moisture or oxygen introduced into an organic electronic device from the outside, thereby securing the lifetime of the organic electronic device.