A downhole sealing device, a well system employing a downhole sealing device, and a method for sealing within a wellbore. The downhole sealing device, in one aspect, includes one or more downhole sealing features, and an elastomeric element comprising a thiourethane/acrylate polymer coupled to the one or more downhole sealing features. In at least one aspect, the elastomeric element is operable to be compressed in a downhole application against a tubular as a seal.

The present disclosure relates generally to in-mold coating compositions that can be adhered to a surface of an article that comprises a cycloolefin polymer, such as polydicyclopentadiene (PDCPD); the constituents, including crosslinkers and polyols, of in-mold coating compositions that can be adhered to a surface of an article that comprises a cycloolefin polymer; systems for adhering an in-mold coating composition to a surface of an article that comprises a cycloolefin polymer; methods for adhering an in-mold coating composition to a surface of an article that comprises a cycloolefin polymer; an in-mold coating layer adhered to a surface of an article that comprises a cycloolefin polymer; and articles comprising an in-mold coating layer adhered to a surface of an article that comprises a cycloolefin polymer.

A composition is provided including a compound (A) represented by Formula (1) and a compound (B) represented by Formula (2), wherein the compound (B) is contained in an amount of 0.00002 to 0.2 parts by mass with respect to 100 parts by mass of the compound (A): (R.sub.1—COO).sub.n—R.sub.2—(NCO).sub.m . . . (1) (in Formula (1), R.sub.1 is an ethylenically unsaturated group having 2 to 7 carbon atoms; R.sub.2 is an (m+n)-valent hydrocarbon group having 1 to 7 carbon atoms; and n and m are each an integer of 1 or 2) ##STR00001##
(in Formula (2), R is (—R.sub.2—(OCO—R.sub.1), and R.sub.1 and R.sub.2 are the same as those in Formula (1)).

Modification of functional groups along a polymer backbone to render the groups activatable upon exposure to actinic radiation is described. The polymers are typically controlled architecture polymers. Also described are adhesives containing the modified architectured polymers and related methods of use.

The present invention relates to a polyisocyanate composition comprising, on the basis of the total mass of the polyisocyanate composition, 97 weight % or more of a polyisocyanate, and 2.0 mass ppm or more and 1.0×10.sup.4 mass ppm or less of a compound having at least one unsaturated bond in which the compound is a different compound from the polyisocyanate, or 5.0 mass ppm or more and 2.0×10.sup.4 mass ppm or less of at least one inactive compound selected from the group consisting of a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a Si-containing hydrocarbon compound, a Si-containing ether compound, and a Si-containing sulfide compound.

To provide a curable resin composition capable of forming a coating film excellent in the weather resistance and the impact resistance with a high productivity even on a member having a complicated shape for outdoor use.

A curable resin composition containing the following fluorinated copolymer (A) and the following compound (B):

fluorinated copolymer (A): a fluorinated copolymer having a unit derived from a fluoroolefin, a unit having an ethylenic unsaturated group in its side chain, and a unit having a functional group, wherein the unit having a functional group is at least one member selected from a unit having a hydroxy group, a unit having a carboxy group and a unit having an alkoxysilyl group;

compound (B): a compound having an acryloyl group or methacryloyl group and at least two isocyanate groups in one molecule.

The invention relates to low-viscosity formulations of radiation-curable compounds, to processes for preparing them, to their use, and to inks, printing-inks, and print varnishes that comprise them.

A downhole sealing device, a well system employing a downhole sealing device, and a method for sealing within a wellbore. The downhole sealing device, in one aspect, includes one or more downhole sealing features, and an elastomeric element comprising a thiourethane/acrylate polymer coupled to the one or more downhole sealing features. In at least one aspect, the elastomeric element is operable to be compressed in a downhole application against a tubular as a seal.

This disclosure relates generally to a moisture curable composition. The composition includes a first, crosslinkable copolymer having a plurality of silyl alkoxy terminal groups and a backbone that is the reaction product of a diisocyanate and a mixture of a low molecular weight polyether polyol and a high molecular weight polyether polyol; a second crosslinkable oligomer having a plurality of silyl alkoxy terminal groups and a backbone that is the reaction product of a diisocyanate and a low molecular weight polyether polyol; and a third crosslinkable oligomer having a plurality of silyl alkoxy terminal groups and a backbone that is the reaction product of a diisocyanate and a high molecular weight polyether polyol.

Described herein is a polyurethane having an isocyanate group and having C—C double bonds on a side chain, a process for preparing such a polyurethane, and an UV-moisture dual cure polyurethane reactive hotmelt including the polyurethane.