摘要:
An electro-optical device having at least one base and a multilayer coating surface disposed on at least one surface of the base. The at least one base may comprise either an optically or electronically active portion or a flexible polymeric material. The multilayer coating set comprises at least one organic layer and at least one inorganic layer. The base and multilayer coating set are transparent. The multilayer coating set provides a barrier to moisture and oxygen and provides chemical resistance. The multilayer coating set is also mechanically flexible and thermally stable up to a glass transition temperature of the base.
摘要:
An electro-optical device having at least one base and a multilayer coating surface disposed on at least one surface of the base. The at least one base may comprise either an optically or electronically active portion or a flexible polymeric material. The multilayer coating set comprises at least one organic layer and at least one inorganic layer. The base and multilayer coating set are transparent. The multilayer coating set provides a barrier to moisture and oxygen and provides chemical resistance. The multilayer coating set is also mechanically flexible and thermally stable up to a glass transition temperature of the base.
摘要:
There is provided a structure. The structure comprises a substrate, and a titanium oxide layer disposed over the substrate. There is also provided a method of forming a titanium oxide coating on a substrate. The method includes generating a plasma; providing a first reactant, comprising titanium, and a second reactant, comprising oxygen, into the plasma stream extending to the substrate; and forming the titanium oxide coating on the substrate.
摘要:
A method for treating fuel containing vanadium including extracting vanadium from the fuel with an adsorption material and fractionating the fuel into a light oil fraction and a heavy fuel fraction. The light fuel fraction has a reduced amount of vanadium. Systems for fuel preparation are also provided.
摘要:
Novel dibenzoylresorcinol-based compounds are disclosed wherein the dibenzoylresorcinol is bonded to the residue of either an alcohol or a carboxylic acid group, via a methylene carboxylate linking group; and wherein the dibenzoylresorcinol is bonded directly to a substituted or unsubstituted aryl group which does not include a pendent hydroxyl group. The groups attached to the dibenzoylresorcinol may contain a wide variety of functional sites which permit further reaction, e.g., copolymerization. The described compounds are very useful as UV light absorbers and may be used to form improved coating compositions which usually include a transparent, polymeric matrix material. The coating compositions may be applied to various substrates, e.g., thermoplastics, to afford a selection of enhanced properties, such as UV light resistance and abrasion resistance.
摘要:
Thermoplastic articles such as polycarbonate sheet are protected against weathering by the application of a coating composition comprising at least one polymeric polyol, at least one alkanediol, at least one reactive aminoplast and at least one silylated substituted resorcinol such as 2-(3-triethoxysilylpropyl)4,6-dibenzoylresorcinol, usually in solution in a solvent. The coating composition may also contain a hindered amine light stabilizer.
摘要:
A process for preparing a polyester carbonate is provided. The process comprises the steps of: (I) reacting a diacid with a carbonic acid diester and a catalyst in the presence of a polycarbonate oligomer via melt condensation polymerization to form a pre-polymer; and (II) reacting the pre-polymer via solid state polymerization to form a polyester carbonate.
摘要:
The present invention provides the discovery of an improved radiation curable coating composition comprising at least one acrylic monomer, a photoinitiator, and an ultraviolet light absorber selected from triazine or a dibenzoyl resorcinol derivative or a mixture thereof, the dibenzoyl resorcinol derivative having the formula ##STR1## where Ar and Ar' are independently substituted or unsubstituted monocyclic or polycyclic aryl groups and R' is H or a linear or branched alkyl chain having less than about 10 carbons bearing a --Si(OR.sup.2).sub.3, where R.sup.2 is a C.sub.1 to C.sub.6 alkyl group.
摘要:
A sheet material includes a polycarbonate substrate and a protective coating containing the reaction products of an aminoplast resin, a polyol compound, and a UV-absorbing amount of a triazine compound. The sheet material exhibits an improved balance of abrasion resistance, solvent resistance, weatherability, and formability.
摘要:
Sterically hindered phosphoramidates such as N,N′-bis[di-(2,6-xylenoxy)phosphinyl]piperazine are prepared by the reaction of a sterically hindered diaryl chlorophosphate, such as di-(2,6-xylyl) chlorophosphate, with a basic nitrogen compound containing at least two basic N—H groups, preferably a heterocyclic compound such as piperazine, in a predominantly liquid, solvent-free reaction mixture. The reaction may be conducted in the melt or in the presence of a non-solvent carrier, typically an aliphatic hydrocarbon. An excess of the basic nitrogen compound is employed as an acid acceptor.