Provided is a fluorine-containing siloxane acrylate represented by formula (1).

X—Z-PFPE-Z—X   (1)

[PFPE is a divalent perfluoropolyether chain, X is a group represented by formula (2)

##STR00001##

{Y.sup.1 is a divalent organic group, R.sup.2 is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, and G is a monovalent hydrocarbon group or a group represented by formula (3)

O—Si(CH.sub.3).sub.2—Y.sup.1—OR.sup.1   (3)

(R.sup.1 is a monovalent hydrocarbon group, and Y.sup.1 is same as mentioned above. The broken line represents a bond (hereinafter, the same shall apply.)) Q is a hydrogen atom or a group represented by formula (4)

SiR.sup.3.sub.3   (4)

(R.sup.3 is a monovalent hydrocarbon group.) e is an integer of 0-2, f is an integer of 0-2, and g is an integer of 1-3, and e+f+g is 3.} Z is a predetermined divalent organic group.]

Provided is a fluorine-containing siloxane acrylate represented by formula (1).

X—Z-PFPE-Z—X   (1)

[PFPE is a divalent perfluoropolyether chain, X is a group represented by formula (2)

##STR00001##

{Y.sup.1 is a divalent organic group, R.sup.2 is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, and G is a monovalent hydrocarbon group or a group represented by formula (3)

O—Si(CH.sub.3).sub.2—Y.sup.1—OR.sup.1   (3)

(R.sup.1 is a monovalent hydrocarbon group, and Y.sup.1 is same as mentioned above. The broken line represents a bond (hereinafter, the same shall apply.)) Q is a hydrogen atom or a group represented by formula (4)

SiR.sup.3.sub.3   (4)

(R.sup.3 is a monovalent hydrocarbon group.) e is an integer of 0-2, f is an integer of 0-2, and g is an integer of 1-3, and e+f+g is 3.} Z is a predetermined divalent organic group.]

To provide microwell films for bioassay suitable for a “unimolecular enzyme assay” method and methods of manufacturing the films, a microwell film for bioassay is comprised of at least a substrate (11), and a resin layer (12) having microwells on its surface provided on one main surface of the substrate (11), where in the substrate (11) and the resin forming the resin layer (12), an absorption coefficient at each of wavelengths of 350 nm to 800 nm is 0.01 μm.sup.−1 or less.

Provided herein are methods of making (meth)acrylate blocked polyurethanes with zirconium catalysts, dual cure resins containing (meth)acrylate blocked polyurethanes and zirconium catalysts, methods of using the same in additive manufacturing, and products made therefrom.

A radiation curable inkjet ink composition that includes (A) a mono-ethylenically unsaturated oligomer, (B) a mono-ethylenically unsaturated monomer, and (C) a solvent, wherein the radiation curable inkjet ink composition is substantially free of a photoinitiator and wherein a total weight of the mono-ethylenically unsaturated oligomer (A) is less than or equal to the total weight of the mono-ethylenically unsaturated monomer (B). A printed article including the radiation curable inkjet ink composition in cured form, and a method of forming an image with a thermal inkjet printhead are also provided.

A radiation curable inkjet ink composition that includes (A) a mono-ethylenically unsaturated oligomer, (B) a mono-ethylenically unsaturated monomer, and (C) a solvent, wherein the radiation curable inkjet ink composition is substantially free of a photoinitiator and wherein a total weight of the mono-ethylenically unsaturated oligomer (A) is less than or equal to the total weight of the mono-ethylenically unsaturated monomer (B). A printed article including the radiation curable inkjet ink composition in cured form, and a method of forming an image with a thermal inkjet printhead are also provided.

A first object of the present invention is to provide a composition having excellent coatability. In addition, a second object of the present invention is to provide a composition, a transfer film, a manufacturing method for a laminate, a manufacturing method for a circuit wire, and an electronic device, which are related to the composition.

A composition of the present invention includes a compound A having one or more specific structures selected from the group consisting of (a), (b), and (c), and a resin. (a) a perfluoroalkenyl group, (b) a perfluoropolyether group, and (c) a group represented by General Formula (C1) or General Formula (C2),

*—Cm.sup.+Am.sup.−[-L.sup.m-(Rf).sub.m2].sub.m1  (C1)

*-An.sup.−Cn.sup.+[-L.sup.n-(Rf).sub.n2].sub.n1  (C2)

The polymerizable composition for an optical material of the present invention includes a compound (A) represented by General Formula (a) and including two or more allyloxycarbonyl groups, at least one kind of radical polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxymonocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator, and a modifier (C) selected from a polyether modified siloxane compound represented by General Formula (c1) or a polyol compound represented by General Formula (c2). ##STR00001##

A metal-clad laminate includes: an insulating layer; and a metal foil being in contact with at least one surface of the insulating layer. The insulating layer contains a cured product of a resin composition containing a polyphenylene ether copolymer having an intrinsic viscosity of 0.03 to 0.12 dl/g measured in methylene chloride at 25° C. and having an average of 1.5 to 3 specific groups per molecule at its molecular terminal, a thermosetting curing agent having two or more carbon-carbon unsaturated double bonds at its molecular terminal, and a thermoplastic elastomer. The metal foil includes a metal substrate, and a cobalt-containing barrier layer provided on at least a contact surface of the metal substrate, the contact surface being in contact with the insulating layer. The contact surface has a ten-point average roughness Rz of 2 μm or less as a surface roughness.

A polarizing film including a polarizer that is a cured product of a polymerizable liquid crystal composition is provided. The polymerizable liquid crystal composition contains both a polymerizable liquid crystal compound having at least one polymerizable group and a dichroic coloring matter. The polarizer is laminated on a surface, having a pore size of 0.45 nm to 0.57 nm, of a base material. The pore size is obtained by converting, into a diameter, an average free volume radius calculated by a positron lifetime measurement method in which the positron lifetime is measured by irradiating the surface with positrons with an injection energy of 3 kV.