Patent classifications
C08G18/6295
Adhesive Composition, Adhesive Film Comprising Same, Back Plate Film Comprising Adhesive Film and Plastic Organic Light-Emitting Display Comprising Adhesive Film
An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 35 C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
Anti-smudge and anti-graffiti compositions
Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.
FILM-FORMING RESIN COMPOSITION, LAMINATED FILM, AND ARTICLE TO WHICH LAMINATED FILM IS ATTACHED
Provided is a film-forming resin composition for protecting an article that an organic polymer is exposed, including a polyurethane resin (A) having a hydroxyl group, a (meth)acrylic resin (B) having a hydroxyl group, and a polyfunctional isocyanate (C), in which the composition has a cross-linking density n of 1.010.sup.4 to 5.010.sup.3 mol/cm.sup.3, which is determined according to Mathematical Formula (1) n=E.sub.min/(3RT). Here, E.sub.min represents a minimum value Emin of storage elastic modulus of a cured film obtained by curing the resin composition at 80 C. for 16 hours in a case where the cured film is subjected to viscoelasticity measurement at a frequency of 1.0 Hz and a temperature range of 40 C. to 160 C., T represents an absolute temperature at the minimum value E.sub.min, and R represents a gas constant.
RESIN COMPOSITION, OPTICAL LAYER, COVER MEMBER, AND MOVING BODY
A resin composition of the present invention is used for forming a second layer in an optical layer 10, contains a silicon-modified (meth) acryl resin, a urethane (meth) acrylate, and a polyfunctional (meth) acrylate, and satisfies the following condition A, in which the optical layer 10 includes a first layer (base material layer 1) containing a resin material and a visible light absorber and the second layer (protective layer 2) protecting the first layer.
Condition A: In a case where the second layer is formed on a base material, a coating film of a mixed solvent containing a petroleum-based solvent at a proportion equal to or higher than 45 wt % is formed on the second layer and left as it is, and then the mixed solvent is removed, an adherence, which is determined by a cross-cut method, of the second layer cut in the form of a lattice with respect to the base material is equal to or higher than 95%.
MULTILAYER FILM AND TWO-LIQUID CURABLE COATING AGENT
A multilayer film includes a substrate layer; a surface protective layer integrally laminated on a first surface of the substrate layer, the surface protective layer containing a polyurethane which is a reaction product of a polyol (P) having a hydroxyl value of 25 to 380 mgKOH/g and a content of fluorine atoms of 0.01 to 20% by mass and a polyisocyanate (I); and an adhesive layer integrally laminated on a second surface of the substrate layer. Also described is a two-liquid curable coating agent for forming the surface protective layer.
Polymer Polyol and Photochromic Coating Composition Thereof
The present invention provides a polymer-polyol and its composition for producing photochromic coating products. The polymer-polyol is prepared by copolymerization of acrylate concluding hydroxy or not. The composition includes: (i) matrix resin; (ii) polymer-polyol mentioned above; and (iii) photochromic compound. And the solid content of the hydroxyl group in the composition is about 1.0%-6.0%. The composition has good compatibility with other functional coatings, such as unique organosilane hard coating and/or antireflective coating. It is appropriate for preparing the photochromic coating products which can be used in the ophthalmology field.
FLUORINE-CONTAINING COPOLYMER
The present invention is a fluorine-containing copolymer including (A) a fluoroolefin in an amount of 15 to 85 mol % of all constituent monomers; (B) a specific organosilicon compound in an amount of 0.001 to 10 mol % of all the constituent monomers; (C) one or more monomers selected from vinyl ethers, vinyl esters, methacrylic esters and acrylic esters, the one or more monomers not having a curing reactive group and having an aliphatic saturated hydrocarbon group with 1 to 20 carbons, a glass transition temperature of a homopolymer of the monomer being lower than 0 C., in an amount of 5 to 40 mol % of all the constituent monomers; and (D) one or more monomers selected from vinyl ethers, vinyl esters, allyl ethers, methacrylic esters and acrylic esters, and having a curing reactive group, in an amount of 1 to 25 mol % of all the constituent monomers, wherein the fluorine-containing copolymer has a glass transition temperature of 30 C. to 20 C., a number average molecular weight of 2.010.sup.4 to 7.010.sup.4, and a weight average molecular weight of 1.010.sup.5 to 3.010.sup.5.
CURABLE FILM-FORMING COMPOSITIONS PREPARED FROM MULTIPLE HYDROPHOBIC POLYMERS AND METHOD OF MITIGATING DIRT BUILD-UP ON A SUBSTRATE
The present invention is directed to curable film-forming compositions comprising a first film-forming polymer prepared from at least one hydrophobic monomer, a second film-forming polymer prepared from at least one hydrophobic monomer, and a curing agent. Upon application of the curable film-forming composition to a substrate to form a coating layer, the first film-forming polymer is distributed throughout the coating layer, and the concentration of the second film-forming polymer is greater at the surface of the coating layer than the concentration of the second film-forming polymer within the bulk of the coating layer. The invention is additionally drawn to substrates coated with the curable film-forming composition. The present invention is also drawn to methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.
COATED ARTICLES DEMONSTRATING ELECTROMAGNETIC RADIATION TRANSPARENCY AND METHOD OF MITIGATING CONTAMINANT BUILD-UP ON A SUBSTRATE
The present invention is directed to coated articles demonstrating a transmission of electromagnetic radiation having a frequency of 22 to 81 GHz in the range of 70% to 100%. The articles comprise substrates coated with curable film-forming compositions comprising a first film-forming polymer prepared from at least one hydrophobic monomer, a second film-forming polymer prepared from at least one hydrophobic monomer, and a curing agent. Upon application of the curable film-forming composition to the substrate to form a coating layer, the first film-forming polymer is distributed throughout the coating layer, and the concentration of the second film-forming polymer is greater at the surface of the coating layer than the concentration of the second film-forming polymer within the bulk of the coating layer. The present invention is also drawn to methods of mitigating contaminant build-up on a substrate using the curable film-forming compositions described above.
SOLUTION FOR FORMING SURFACE PROTECTIVE RESIN MEMBER, SOLUTION SET FOR FORMING SURFACE PROTECTIVE RESIN MEMBER, AND SURFACE PROTECTIVE RESIN MEMBER
Provided is a solution for forming a surface protective resin member, containing: an acrylic resin having a hydroxyl value of 40 to 280; a polyol having a plurality of hydroxyl groups bonded via a carbon chain having 6 or more carbon atoms; and a silicone resin having a functional group reactive to an isocyanate group.