Abstract:
A method of forming a film is provided. Nanoparticles are deposited on a surface of a substrate using a liquid deposition process. The nanoparticles are linked to each other and to the surface using linker molecules. A coating having a surface energy of less than 70 dyne/cm is deposited over the film to form a coated film. The coated film has an RMS surface roughness of 25 nm to 500 nm, a film coverage of 25% to 60%, a surface energy of less than 70 dyne/cm; and a durability of 10 to 5000 microNewtons. Depending on the particular environment in which the film is to be used, a durability of 10 to 500 microNewtons may be preferred. A film thickness 3 to 100 times the RMS surface roughness of the film is preferred.
Abstract:
A composite is provided, comprising a substrate and a film on the substrate. The film has an RMS surface roughness of 25 nm to 500 nm, a film coverage of 25% to 60%, a surface energy of less than70 dyne/cm; and a durability of 10 to 5000 microNewtons. Depending on the particular environment in which the film is to be used, a durability of 10 to 500 microNewtons may be preferred. A film thickness 3 to 100 times the RMS surface roughness of the film is preferred.
Abstract:
There is provided a novel thermosetting composition for a solder resist with excellent flexibility, low warping upon curing, soldering heat resistance, PCT resistance and HHBT resistance, which is suitable as a thermosetting solder resist ink for printed circuit boards and particularly FPC boards. The thermosetting composition for a solder resist according to the invention comprises as essential components: (A) an epoxy resin having two or more epoxy groups in the molecule, (B) a polyacid anhydride represented by general formula (I) as defined in claims, wherein R represents a divalent organic group and n represents an integer of 2-30, and (C) a coupling agent.
Abstract:
A method and product for identifying the origin of products having fiberglass components or constituents wherein the glass fibers are coated with a fluorescent agent that glows when subsequently subjected to UV or appropriate wavelength light. Thus by selecting a unique color or pattern a manufacturer can readily identify his products.
Abstract:
A process for producing an electrical apparatus by electrically and mechanically bonding two objects to be bonded to each other, which comprises hot-pressing an adhesive layer (25) formed on an LCD (11) against a second hardener layer (28) formed on a TCP (15) while keeping them in close contact with each other, whereby a first hardener contained in the adhesive layer (25) reacts with a second hardener constituting the second hardener layer (28) to polymerize a thermosetting resin contained in the adhesive layer (25) and thereby bond the LCD (11) to the TCP (15). When a metal chelate or metal alcoholate and a silane coupling agent are used respectively as the first and second hardeners, then cations generate by the reaction of the silane coupling agent with the metal chelate and the thermosetting resin undergoes cationic polymerization due to the cations. Thus, in bonding the LCD (11) to the TCP (15), the adhesive can be cured at a lower temperature in a shorter time than conventional adhesives.
Abstract:
A polymerizable composition which is significantly improved in coefficient of linear expansion, etc. while retaining intact excellent properties of norbornene resins, such as heat resistance and mechanical strength. The polymerizable composition comprises a polymerizable substance comprising a norbornene monomer or oligomer as a major component, a metathesis polymerization catalyst, and silica particles, the content by weight of the silica particles being higher than that of the polymerizable substance.