The invention relates to a two-component or multi-component system having at least one epoxy resin component (1) that comprises i. at least one epoxy resin, ii. at least one inorganic thickener (a1) and iii. at least one wetting and dispersing agent (a2) that inhibits the thickening effect of said inorganic thickener (a1); as well as a curing component (2) which comprises i.) at least one component (b1) that at least partially cancels the inhibition of the thickening effect of the inorganic thickener (a1); said wetting and dispersing agent (a2) being non-reactive to the at least one epoxy resin, and the curing component (2) being reactive to said epoxy resin component (1). The invention also relates to substrates coated with a two-component or multi-component system according to the invention. The invention also relates to the use of a combination of (a1) and (a2) in epoxy resin compositions, in order to give the formulation a latent thickening effect.

This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

D1.sub.97.5/T≦0.9

Ru≦1.2T

R≧1.0

0.5≦D2.sub.97.5/T≦7.0

3≦T≦40.

The composition for forming an underlayer film for lithography according to the present invention contains a compound represented by a specific formula (1) and 20 to 99% by mass of a solvent component (S), in which 27 to 100% by mass of the compound represented by the formula (1) is included in a component (A) other than the solvent component (S).

There is provided a coating liquid capable of forming a coating film that is excellent in adhesiveness to the surface of a base material such as a metal, glass, or a resin even though the coating film contains PVDF which exhibits a remarkable non-tackiness and that can exhibit various desired functionalities such as non-tackiness, an antifouling property, chemical resistance, a sliding property, water repellency, electrical conductivity, an antifungal/antimicrobial property, and a deodorizing property. The coating liquid contains a polar solvent such as N,N-dimethylformamide or N-methyl-2-pyrrolidone, a hydrophilic polymer such as a chitosan derivative or a cellulose derivative, and polyvinylidene fluoride.

The present invention relates to a modified polyimide including a terminal group represented by Formula 1:

##STR00001## wherein D is a heat curable or photocurable functional group, R is a divalent or higher polyvalent organic group, and n is an integer of 1 or greater. The modified polyimide undergoes less reduction in transmittance and is protected from discoloration when cured. Due to these advantages, the modified polyimide can provide a highly transparent colorless polyimide film. Particularly, the modified polyimide is suitable for use in display substrates, interlayer insulating films of semiconductor devices, passivation films, buffer coat films, insulating films for multilayer printed circuit boards, insulating films of OLEDs, and protective films of thin film transistors of liquid crystal display devices. The present invention also relates to a curable composition including the modified polyimide.

The present invention relates to a modified colorant comprising a colorant having at least one polymer attached or adsorbed thereto. The polymer comprises at least one functional group, and various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions. Thus, the present invention further relates to an inkjet ink composition comprising a) a liquid vehicle, b) at least one colorant, and c) at least one polymer comprising at least one functional group as described herein.

A polyamideimide and polyamide amic acid resin polymer that allows for reduced levels of toxicity in manufacturing. In an embodiment, a coating composition comprises at least one polyamideimide resin, at least one aprotic dialkylamide solvent and at least one co-solvent. In another embodiment, the at least one co-solvent is selected from a group consisting of methyl acetate, n-propyl acetate, t-butyl acetate, iso-butyl acetate, ethyl acetate, isopropyl acetate, methyl lactate, ethyl lactate, n-propyl lactate, isopropyl lactate, n-butyl lactate, isobutyl lactate, t-butyl lactate, cyclohexanone, cyclopentanone, n-butyl acetate, methyl alcohol, ethyl alcohol, isopropyl alcohol, n-acetyl morpholine, ε-caprolactone and methylcyclohexane.

A glass coating composition for a fuel cell gasket is described. The coating comprises: a glass component effective to form an alkaline solution in the presence of an equivalent amount of water by weight, a binder component, a liquid carrier which is greater than 50% by volume: water, and a retarder effective to inhibit hardening of the composition. The glass coating composition is particularly useful in fuel cell gaskets and provides improved resistance to solidification in an aqueous dispersion.

A material coating system for an apparatus having a housing configured to contain a fluid is disclosed herein. A multi-layer coating is applied to the housing to mitigate damage caused by external factors. The multi-layer coating includes: a layer of a primer coating having anti-corrosive properties, a layer of a mid coating having mechanical and chemical properties capable of at least partially closing a hole in the housing to avoid fluid leakage and optionally a layer of a top coating having properties that resist ultraviolet radiation from passing therethrough.

A metallic nanoparticle dispersion includes a dispersion medium characterized in that the dispersion medium includes a solvent according to Formula I, ##STR00001## wherein R.sub.1 and R.sub.2 represent an optionally substituted alkyl group, and R.sub.1 and R.sub.2 may form a ring. When using a solvent according to Formula I as a dispersion medium, no polymeric dispersants are necessary to obtain stable metallic nanoparticle dispersions.