A process includes the steps of: casting or coating a polyamic acid organic solvent solution on a support and drying the polyamic acid organic solvent solution thereon, so as to form a partially cured and/or partially dried polyamic acid film; dipping the polyamic acid film in tertiary amine or a solution of tertiary amine, or coating tertiary amine or a solution of tertiary amine on the polyamic ...

Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i.) a sterically hindered amine of the nitroxyl, hydroxylamine, alkoxyamine or hydroxyalkoxyamine class, and (ii.) a fluorinated polyolefin. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist...

Heterocyclic tin compounds, useful as flame retardants and/or as smoke suppressants for halogen-containing polymers, e.g., polyvinyl chloride resins having application as wire and cable coatings, are obtained by reacting a trisubstituted triazine such as melamine with a tin-containing compound such as tin tetrachloride.

A thermoplastic molding composition having improved mechanical properties is disclosed. The composition contains (A) aromatic polycarbonate and/or polyester carbonate (B) at least one graft rubber, obtained by emulsion polymerization of styrene and acrylonitrile in the presence of at least two rubber latices of type (B1) and (B2) where (B1) has a particle diameter d₅₀ of <=350 nm, a par...

A metallized molded article composition which comprises a crystallizable polyester resin and a non-blooming polymeric release agent/lubricant composed of olefinic monomeric units.

An aliphatic polyester resin composition comprises an aliphatic polyester, an organic layered silicate obtained by treating a layered silicate with an organic onium salt, talc and a nonionic surfactant.

A transparent thermoplastic molding composition suitable for the preparation of UV-stable products having high light transmission and low haze values is disclosed. The composition contains a transparent thermoplastic polymer and one or more compounds conforming to formula (I) wherein R1 to R40 independently denote a member selected from the group consisting of H, alkyl, halogen and -CN.

A transparent, fire resistant polycarbonate composition comprises polycarbonate, poly(methylphenylsiloxane) and a salt based flame retardant. These polycarbonate compositions can attain UL94 V0 ratings at 1.6 millimeter thickness, previously possible only with a halogenated fire retardant.

A molding composition comprises (wt.%) a transparent polyamide (at least 60) and at least one optical brightener (0.00001 - 10) having a b value (DIN 53236) of at most 7. An Independent claim is included for an optical product made from the transparent polyamide comprising a coating comprising at least one optical brightener has been applied to the product.

Colorant, dispersants, dispersions, and inks are provided which include Polymeric nanoparticles (PNPs) having a mean diameter in the range of from 1 to 50 nanometers, the PNPs including as polymerized units at least one multi-ethylenically-unsaturated monomer. Also provided are methods for preparing colorants, dispersants, dispersions, and inks which include PNPs.

A coating solution comprising 0.1 to 35% by weight of an inorganic or organic polysilazane having repeating units represented by the general formula below and soluble in a solvent and 0.1 to 10% by weight of catalyst such as 4,4'-trimethylenebis(1-methylpiperidine) based on a pure polysilazane content. By applying the coating solution onto the surface of base materials such as metals, plastics, gl...

Incorporating organophilic clay into hot melt adhesive compositions, particularly those comprising semi-crystalline, thermoplastic polymers, greatly improves the adhesive properties in many respects. Some of these improvements are particularly beneficial to the specific use of hot melt adhesives filled with electrically conductive particles for use as electrically conductive adhesives.

A laminated product is provided which has no problems concerning hygienic safety or environment accompanying the use of solvent-based adhesives and which has been tenaciously bonded in a degree equal or superior to that attainable with conventional CR solvent-based adhesives. The laminated product is obtained by bonding a porous organic material and a cloth with an adhesive comprising, as major in...

PURPOSE: An adhesive, its preparation method and an optical member using the adhesive are provided, the prevent the foaming or stripping due to the heat or moisture and the generation of spots on a liquid crystal device using the optical member by relieving the stress concentration due to the stretching of a polarizer. CONSTITUTION: The adhesive comprises 100 parts by weight of (A) a copolymer whi...

The present invention relates to a luminant powders and method for producing the same. The method utilizes winnowing to sieve luminant powders with required particle size out. Further, the present invention discloses a method for coating the powders with phosphoric acid to increase the stability and acquire long-term light resistance and superior luminant property.

A phosphor improved against luminance deterioration with time under vacuum ultraviolet irradiation, a phosphor paste composition, and a vacuum ultraviolet excitation light emitting element high in luminance retaining rate and improved in luminance, are presented. An alkaline earth aluminate phosphor which is a phosphor represented by the formula a (M_1-xEu_x)O.6Al₂O<...

A water and oil repellent composition which can impart an excellent water and oil repellency to an object, even if it is processed at a low temperature, and which can achieve a water and oil repellent treatment providing a soft hand. The water and oil repellent composition which has as an essential component a copolymer consisting essentially of polymerized units of the following monomer (a) and p...