The present disclosure provides copolymers comprising from about 0.5 wt % to about 25 wt % cyclic olefin content and films comprising the copolymers. In one embodiment, a copolymer includes a C.sub.2-C.sub.40 monomer content of from about 75 wt % to about 99.5 wt %; and a C.sub.5-C.sub.40 cyclic olefin comonomer content of from about 0.5 wt % to about 25 wt %. The copolymer has a density of about 0.91 g/cm.sup.3 to about 0.933 g/cm.sup.3. Films of the present disclosure can have advantageous mechanical properties (such as melt strength) and optical properties (such as haze %).

This invention relates to blend, and films thereof, comprising: 1) semicrystalline cyclic olefin copolymer comprising less than 15 wt % of a C.sub.5-C.sub.40 cyclic olefin comonomer and greater than 85 wt % of a C.sub.2-C.sub.40 linear and/or branched olefin monomer content having a density of about 0.92 g/cm.sup.3 to about 0.94 g/cm.sup.3, modulus less than 20-80 kpsi, an elongation at break of 150-500%, and a glass transition temperatures less than 38 C.; 2) an amorphous cyclic olefin copolymer comprising more than 25 wt % of a C.sub.5-C.sub.40 cyclic olefin comonomer and less than 75 wt % of a C.sub.2-C.sub.40 linear and/or branched olefin monomer having a density greater than 1.0 g/cm.sup.3, a modulus of 260-380 kpsi, an elongation at break of <4%, and a glass transition temperature of 54 to 138 C.; and 3) a semicrystalline olefin copolymer comprising C.sub.2-C.sub.40 monomers having a density of about 0.90 g/cm.sup.3 to about 0.96 g/cm.sup.3, a modulus less than 150 kpsi, an elongation at break of greater than 400%, and a glass transition temperatures less than 32 C.

The invention has a problem of providing a fine resin particle that is useful as an anti-blocking agent or other agents, has sufficient resistance to the thermal load applied when compounded with resins, shows sufficiently lowered residual amount of unreacted monomers in the fine resin particle, and, furthermore, has a color tone that does not affect optical properties even when used in optical members, to which very high optical characteristics (colorless transparency) are required, or other members. As means for solving this problem, the present invention provides a fine resin particle including a copolymer of at least one monofunctional vinylic monomer (A) unit with a cyclic structure in a molecular structure, at least one monofunctional alkyl (meth)acrylate-based monomer (B) unit, at least one multifunctional (meth)acrylate-based monomer (C) unit, and at least one multifunctional thiol (D) unit, wherein a polymer consisting only of the monofunctional alkyl (meth)acrylate-based monomer (B) has a glass transition temperature of 50 C. or lower.

A method for manufacturing a liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst comprising tungsten as a center metal, the liquid formulation comprising a norbornene-based monomer, provided that in case where the norbornene-based monomer includes exo-dicyclopentadiene, a content of exo-dicyclopentadiene is from 0 to 2% by mass of the norbornene-based monomer, an activator of the catalyst, and a specific ether compound.

A resin syringe comprises: a syringe body made of polyolefin, and a printing layer printed on at least a part of an outer surface of the syringe body, wherein the printing layer comprises components including chlorinated polypropylene having a degree of chlorination in a range of 15 to 30%, a colorant, and a filler, wherein a plurality of recessed portions are formed in the outer surface of the syringe body on which the printing layer is printed, and wherein each of the plurality of recessed portions has a depth of 50 nm or more and less than 1 m and a width of 50 nm or more and less than 1 m and is filled with at least one of the components of the printing layer.

Provided are methods for surface-modifying a thermoplastic resin which produce surfaces that show not only low adsorption of proteins and cells but also selective adsorption or adhesion of specific cells such as cancer cells, and further have excellent durability. A method for surface-modifying an object made of a thermoplastic resin, the method including: step 1 of forming polymerization initiation points on the surface of the object; and step 2 of radically polymerizing at least a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm to form a graft layer having a thickness of 2 to 100 nm on the surface of the object.

A wearable device including a body made of an elastic material having a polymeric backbone where a portion of the polymeric backbone is unsaturated. The body has an outer surface that is oxidized on at least one part with at least one functional group where the at least one part of the outer surface is more oleophobic than the body.

The present invention relates to a water-resistant organic thin film obtained by crosslinking, with organic nitrogen compounds, an organic thin film comprising an organic dye having an anionic group, wherein the organic nitrogen compounds are first, second, and third acyclic organic nitrogen compounds each having two or more nitrogen atoms per molecule, wherein the nitrogen atoms of each of the first, second, and third organic nitrogen compounds are each in a cationic group, and the relation A0.4 nm<B<C is satisfied, wherein A represents a distance (nm) between adjacent nitrogen atoms in the first organic nitrogen compound, B represents a distance (nm) between adjacent nitrogen atoms in the second organic nitrogen compound, and C represents a distance (nm) between adjacent nitrogen atoms in the third organic nitrogen compound.

Microporous sheet product and methods of making and using the same. In one embodiment, the microporous sheet product is made by a process that includes melt-extruding a sheet material using an extrusion mixture that includes (i) a cyclic olefin copolymer, (ii) an electrolyte swellable thermoplastic, and (iii) a compatibilizing agent that promotes mixing of the cyclic olefin copolymer and the electrolyte swellable thermoplastic, the compatibilizing agent having a boiling point in the range of 135-300 C. As an example, the cyclic olefin copolymer may be an ethylene-norbornene copolymer, the electrolyte swellable thermoplastic may be polyethylene oxide, and the compatibilizing agent may be mineral spirits. After extrusion, the sheet material may be cooled, and the compatibilizing agent may be removed, forming an ionically-conductive microporous sheet product. The microporous sheet product has high-temperature stability and gels when exposed to a liquid electrolyte, enabling high ionic conductivity when used as a battery separator.

The present application is directed to a nanocomposite organo gel having a continuous polymeric network structure, wherein polymer chains are held together by ionic interaction between polymer chain ends, interparticle chain entanglements, layered silicate surface modifier, ionic salt, and layered silicate. The present application is also directed to methods of making and using the nanocomposite organo gel.