The present disclosure relates to a graphene roll-to-roll transfer method, a graphene roll-to-roll transfer apparatus, a graphene roll manufactured by the graphene roll-to-roll transfer method, and uses thereof.

An object of the present invention is to provide a process for producing a surface-modified molded article, whereby surface layer strength of a molded article can be enhanced, and a molded article containing an organic polymer compound with low adhesive property, such as a fluororesin, can be bonded to an adherend without the use of an adhesive, and whereby a treatment step or an apparatus in an atmospheric-pressure plasma treatment are not complicated, and to provide a process for producing a composite of the surface-modified molded article and an adherend. The present invention is a process for producing a surface-modified molded article wherein a surface of the molded article containing an organic polymer compound is subjected to an atmospheric pressure plasma treatment to introduce a peroxide radical with adjusting the surface temperature of the molded article to (melting point of the organic polymer compound −120° C. or higher.

The sound-permeable membrane of the present invention is adapted, when placed over an opening for directing sound to or from a sound transducer, to prevent entry of foreign matters into the sound transducer through the opening while permitting passage of sound, the sound-permeable membrane including a non-porous film or a multilayer membrane including the non-porous film. The non-porous film is formed of oriented polytetrafluoroethylene. This sound-permeable membrane has an unconventional configuration and exhibits various excellent properties. At least one principal surface of the non-porous film may have a region subjected to a surface modification treatment.

Provided are a substrate for an organic electronic device (OED) and a use thereof. Provided is a substrate for a device having excellent durability by preventing interlayer delamination occurring due to internal stress in a structure in which an organic material and an inorganic material are mixed. In addition, provided is an OED having another required physical property such as excellent light extraction efficiency using the substrate, as well as the excellent durability.

Provided are a substrate for an organic electronic device (OED) and a use thereof. Provided is a substrate for a device having excellent durability by preventing interlayer delamination occurring due to internal stress in a structure in which an organic material and an inorganic material are mixed. In addition, provided is an OED having another required physical property such as excellent light extraction efficiency using the substrate, as well as the excellent durability.

Provided is a fluororesin tube having excellent properties such as heat resistance, weather resistance, chemical resistance, peeling properties, and low dielectric properties that are specific to a fluororesin and also having an inner surface that has high adhesiveness with respect to different materials, particularly, silicone rubber.

A fluororesin tube is provided, in which an inner surface of the tube is subjected to plasma treatment by introducing vinylalkoxysilane into a plasma excitation gas, and an arithmetic average roughness Ra and an average length RSm of a roughness curve element with respect to the inner surface of the tube which is subjected to the plasma treatment satisfy Ra<0.08 μm and RSm<25 μm.

It is provided that a polymer film; a preparation method of the polymer film; and a laminated body used the polymer film. The polymer film is suitable for use in producing a laminate body which comprises a support and a polymer film, and is reduced in foreign-matter trapping and which can be used for supplying film devices using conventional apparatuses for glass substrates or silicon substrates. The polymer film coated with the layer of silane coupling agent, which is suitable for producing a laminate that comprises a support and a polymer film, comprises a silane coupling agent layer formed on at least one surface of the polymer film, wherein the silane coupling agent layer has a three-dimensional surface roughness (Sa) of 5.0 nm or less. The method of efficient for producing the polymer film coated with the above layer is the method for producing without using a vacuum.

Provided are articles such as medical devices which comprise at least one water soluble, crosslinked copolymer. The primary polymer chains of the copolymer are hydrophilic and independently have a degree of polymerization in the range of about 10 to about 10,000. The water soluble, crosslinked copolymers of the present invention are free from terminal substrate associating segments. The copolymers may be incorporated into a formulation from which the article is made or may be contacted with the article post-formation.

The present disclosure relates to a method for selecting a polyester film in which the polyester film is used as a sealant layer in a multilayer body including a base material layer including a crystalline polyester film, an adhesive layer and a sealant layer in this order, the method including:

a step in which FT-IR analysis is performed on the polyester film by a reflection method, and the crystallinity of the polyester film is measured by the following formula; and

a step in which a first polyester film having a crystallinity of 2 to 15% is selected:

I.sub.1409=p1×I.sub.1340+p2×I.sub.1370  (Formula 1)

Crystallinity[%]=p1×(I.sub.1340/I.sub.1409)×100  (Formula 2)

The present disclosure relates to a method for selecting a polyester film in which the polyester film is used as a sealant layer in a multilayer body including a base material layer including a crystalline polyester film, an adhesive layer and a sealant layer in this order, the method including:

a step in which FT-IR analysis is performed on the polyester film by a reflection method, and the crystallinity of the polyester film is measured by the following formula; and

a step in which a first polyester film having a crystallinity of 2 to 15% is selected:

I.sub.1409=p1×I.sub.1340+p2×I.sub.1370  (Formula 1)

Crystallinity[%]=p1×(I.sub.1340/I.sub.1409)×100  (Formula 2)