C08J2433/04

Recyclable PET film
20230158725 · 2023-05-25 · ·

The present invention relates to a multilayer, coextruded polyester film that includes at least one outer layer (A) and a base layer (B), in which the at least one outer layer (A) includes to an extent of at least 60 wt % of a copolyester that includes units derived from dicarboxylic acids and diols, in which the units derived from dicarboxylic acids include at least 65 mol % of units derived from terephthalic acid and at least 5 mol % of units derived from 5-sulfo-isophthalic acid and the units derived from diols include at least 90 mol % of units derived from ethylene glycol.

The present invention further relates to a process for producing the film according to the invention, to the use thereof and to a process for recycling the polyester film according to the invention.

Prepreg, metal-clad laminated board, and printed wiring board

A prepreg contains a base material containing a reinforcing fiber and a semi-cured product of a resin composition impregnated into the base material containing a reinforcing fiber. The prepreg after cured has a glass transition temperature (Tg) which is higher than or equal to 150° C. and lower than or equal to 220° C. The resin composition contains (A) a thermosetting resin and (B) at least one compound selected from a group consisting of core shell rubber and a polymer component having a weight average molecular weight of 100000 or more. An amount of the (B) component is higher than or equal to 30 parts by mass and lower than or equal to 100 parts by mass with respect to 100 parts by mass of the (A) component.

DECORATIVE SHEET AND DECORATIVE RESIN MOLDED ARTICLE

A main object of the present disclosure is to provide a decorative sheet including a barrier layer having excellent solid fragrance resistance and close adhesiveness. The present disclosure achieves the object by providing a decorative sheet comprising at least a substrate sheet, a barrier layer, and a surface protecting layer in this order, wherein the barrier layer includes a vinyl alcohol based resin, and a polyurethane resin.

POROUS FILM AND METHOD OF FORMING POROUS FILM

A porous film includes at least one porous polyimide film that includes a polyimide resin, an organic amine compound and a resin other than a polyimide resin, and that does not include a polar aprotic solvent, wherein a content of the organic amine compound is 0.001% by weight or higher with respect to a total weight of the porous polyimide film.

Plastic film

The present invention relates to a plastic film. More particularly, the present invention relates to a plastic film which exhibits high hardness, self-healing property and excellent processability. The plastic film of the present invention exhibits high hardness, self-healing property, scratch resistance, high transparency, durability, light resistance, light transmittance or the like, and thus can be applied to various fields.

ULTRA LARGE-WIDTH AND CONSECUTIVE COATING DEVICE AND METHOD FOR MANUFACTURING MEMBRANE USING THE SAME

Provided is an ultra large-width coating device applied to a consecutive process. More particularly, the present invention relates to a coating device capable of maximizing productivity by consecutively manufacturing a large-width film without reducing physical properties of the manufactured film by overcoming a problem in that a coating width is limited during a coating process using the existing contact type coating roller, and a method for manufacturing an ultra large-width membrane using the same.

Multi-layer body made of polycarbonate with high weathering resistance

Disclosed is a multi-layer body with high weathering resistance comprising (a) a substrate layer containing at least one thermoplastic polymer (b) one cover layer on at least one side of the substrate layer, characterized in that the substrate layer further contains: (a1) at 0.02 wt. % to 0.2 wt %, at least one colorant on the basis of anthraquinone of structure (1) or (2) with structure (1), R1 and R2 standing, independently of each other, for H, OH, OR5 NH2 and NHR5, R5 being selected from alkyl, cycloalkyl, phenyl and substituted and annulated phenyls, and R3 standing for H, alkyl, alkoxy, and R4 standing for H, OH and p-methylphenyl-NH—; and with structure (2): (a2) at 0.01 wt % to 1.00 wt. %, one or a plurality of demolders, and the cover layer consisting of a coating on the basis of polysiloxane or on the basis of polyacrylate or on the basis of polyurethane acrylate, containing at least one UV-absorber and having a layer thickness of 2-15 [mu]m.

ANTIFOGGANT COMPOSITION AND ANTI-FOG ARTICLE HAVING ANTIFOGGING FILM FORMED FROM SAID COMPOSITION
20230193044 · 2023-06-22 · ·

An antifoggant composition including a copolymer (A), a blocked polyisocyanate hardener (B), colloidal silica (C), a surfactant (D), and water (E), wherein the copolymer (A) is a (meth)acrylate copolymer obtained from a monomer mixture comprising monomer (a-1) represented by general formula (1), monomer (a-2) represented by general formula (2), and monomer (a-3) represented by general formula (3) and the amounts of the blocked polyisocyanate hardener (B), colloidal silica (C), and water (E) are 35-300 parts by mass, 80-600 parts by mass, and 650 parts by mass or more, respectively, per 100 parts by mass of the copolymer (A).

METHOD FOR MANUFACTURING ELECTRONIC COMPONENT, RESIN COMPOSITION FOR TEMPORARY PROTECTION, AND RESIN FILM FOR TEMPORARY PROTECTION
20230197630 · 2023-06-22 ·

A method for producing an electronic component having an electromagnetic shield includes: sticking a temporary protective material to a body to be processed having irregularities on a surface thereof; curing the temporary protective material by light irradiation; singularizing the body to be processed and the temporary protective material; forming a metal film at a part of the singularized body where the temporary protective material is not stuck; and detaching the singularized body having the metal film formed thereon from the temporary protective material. The temporary protective material is formed from a resin composition having a shear viscosity at 35° C. of 5000 to 30000 Pa.Math.s before photocuring and having an elastic modulus at 25° C. of 100 MPa or less and an elongation percentage of 35% or more in a tensile test, after photocuring by light irradiation with an exposure amount of 500 mJ/cm.sup.2 or greater.

POLYMER HARD COAT AND METHODS OF PREPARATION
20170358771 · 2017-12-14 ·

A dispersion comprised of at least 49 wt % of additive particles, a polymerizable monomer, a dispersant and a solvent. Upon polymerization the dispersion forms a hard coat with a haze of at most 0.5% and a transmission of at least 90%. A hard coat comprises at least 49 wt % of additive particles dispersed in a polymer. A method of making a hard coat comprises forming a dispersion, applying the dispersion to one side of a substrate, and polymerizing the dispersion. The hard coat has a haze of at most 0.5% and a transmission of at least 90%.