A liquid cyclopentene ring-opened polymer having a weight average molecular weight (Mw) of 1,000 to 50,000 and a cis double content of 55% or more in repeating units.

An optical film including, as a main component, a crystallized resin containing an alicyclic structure-containing polymer, wherein a crystallization degree of the crystallized resin is 30% or more, and an arithmetic average roughness of at least one face thereof is 2.5 nm or less. Preferably, in a surface layer on the side of at least one face, a composition ratio of an oxygen element relative to a carbon element is 1/10 or more, and a composition ratio of a nitrogen element relative to a carbon element is 1/20 or less. Also provided is a multilayer film including: the optical film; an adherend layer; and an adhesive layer provided between the optical film and the adherend layer.

A liquid cyclopentene ring-opened copolymer includes a monomer unit derived from cyclopentene and a monomer unit derived from a norbornene compound, the monomer unit derived from cyclopentene being present in an amount of 60 to 95 wt %, the liquid cyclopentene ring-opened copolymer having a hydroxyl group-terminated copolymer chain and having a melt viscosity at 25 C. of less than 500 Pa.Math.s, which is measured using a B-type viscometer.

The invention relates to a method for preparing a monolithic stationary phase in the interior volume of a chromatography column made of thermoplastic polymer. This method comprises the following steps: (i) modifying the inner wall of the chromatography column by implementing the following steps: (a) preparing a polymerizable anchoring composition comprising at least one particular methacrylate monomer, one or more solvents and 2,2-dimethoxy-2-phenylacetophenone, (b) depositing, on the inner wall of the column, the polymerizable anchoring composition prepared in step (a), and (c) polymerizing the polymerizable anchoring composition by irradiation with ultraviolet radiation; (ii) introducing, into the interior volume of the column, a polymerizable monolith synthesis composition comprising first and second particular (meth)acrylate monomers, one or more pore-forming agents and a free-radical polymerization initiator; and (iii) polymerizing the polymerizable monolith synthesis composition. The invention also relates to a method for producing a chromatography column comprising such a monolithic stationary phase and to a chromatographic separation method using such a column.

Provided are a polarizing plate protective film including a resin and a coloring agent having an absorption maximum wavelength in a range of 560 to 620 nm or 460 to 520 nm in an amount of 0.1 parts by mass or more with respect to 100 parts by mass of the resin, in which a film thickness is 1 to 18 m, and a moisture content is 0.5% by mass or less, a polarizing plate in which the protective film is used, and a liquid crystal display device in which the polarizing plate is used.

A prepreg is provided. The prepreg is prepared by impregnating a liquid crystal polymer non-woven fabric with a thermal-curable resin composition or by coating a thermal-curable resin composition onto a liquid crystal polymer non-woven fabric and drying the impregnated or coated liquid crystal polymer non-woven fabric, wherein the thermal-curable resin composition includes: (A) an unsaturated monomer; and (B) a cyclic olefin copolymer including the following repeating units: (B-1) a repeating unit of formula (I),

##STR00001## (B-2) a repeating unit of formula (II),

##STR00002## and (B-3) a repeating unit of formula (III),

##STR00003## R.sup.1 to R.sup.22, m, n, o, and p in formulas (I) to (III) are as defined in the specification, wherein based on the total moles of the repeating units (B-1) to (B-3), the content of the repeating unit (B-2) is 19 mol % to 36 mol %, and wherein the weight ratio of the cyclic olefin copolymer (B) to the unsaturated monomer (A) is 0.5 to 7.

An object of the present invention is to provide a gas barrier film which exhibits excellent gas barrier property and flexibility and suppresses the decreases in adhesive property between layers and optical properties under high humidity conditions. A gas barrier film including at least a substrate layer including at least a flexible substrate, an undercoat layer, and an inorganic thin film layer in this order, in which a water vapor transmission rate through the gas barrier film at 23 C. and 50% RH is 0.001 g/m.sup.2/day or less and a number of durability N measured by performing a steel wool test of an outermost surface on an inorganic thin film layer side of the gas barrier film using #0000 steel wool under conditions of a load of 50 gf/cm.sup.2, a speed of 60 rpm/min, and a one-way distance of 3 cm satisfies Formula (1):

N200(1).

The present application discloses methods for preparing superhydrophobic nano-microscale patterned films, films pre-pared from such methods and uses of such films as superhydrophobic coatings. The superhydrophobic nano- microscale patterned films comprise high aspect ratio nanoparticles such as boron nitride nanotubes (BNNTs) and/or carbon nanotubes (CNTs).

This invention is in the field of surface modification. In particular, the invention relates to the surface modification of microfluidic devices to alter surface hydrophobicity characteristics.

A method of treating a wearable device to resist sebum, the method including providing a body having an elastic material having a polymeric backbone where a portion of the polymeric backbone is unsaturated and the body has an outer surface. The method further includes forming a crosslinked matrix within an outer layer of the body surrounding an inner layer of the body such that the outer layer has less affinity to sebum than the inner layer of the body.