TH100719A - The film of a titanium compound mixed with disynamyl malonate reduces the transmission of ultraviolet radiation. And infrared rays - Google Patents

Abstract

DC60 (04/06/52) This invention concerns a plastic film with properties that reduce the transmission of ultraviolet and infrared radiation while allowing high visibility of light. This is achieved by combining a titanium compound with a disinamyl malonate compound in the form of a microemulsion. A special characteristic of this microemulsion is its excellent dispersion and high compatibility with the plastic matrix. The precursors for preparing the titanium-disinamyl malonate microemulsion consist of titanium alkoxide, acetylacetone, water, and disinamyl malonate. Importantly, the film formation process does not require high-temperature heating. The resulting film can block ultraviolet and infrared radiation while allowing high visibility of light. The film can be used in applications related to protecting against or reducing damage from ultraviolet and infrared radiation while allowing sufficient visible light transmission for plant growth, such as covering large crop fields and greenhouses with plastic sheeting. The film color can be selected to optimize plant growth. Additionally, the film can be applied to building windows to control the color of light entering the building, or to car windows—the front windshield for a clear look, and the rear and side windows for a different tint. The production cost of such film is low because it doesn't require expensive equipment or significant energy.

Claims (6)

OCR 12JS 1. A film with properties that reduce the transmission of ultraviolet and infrared radiation, composed of: - thermoplastic - titanium-dicinamyl malonate microemulsion. 2. Films as per Recourse 1, where the titanium-dicinamyl malonate microemulsion is present in an amount of 1-30 percent by weight of the total mixture. 3. A film pursuant to either claim 1 or 2, in which the titanium-dicinamyl malonate microemulsion is composed of titanium alkoxide, acetylacetone, water, and disinamyl malonate. 4. Films according to claim 3 where the weight ratio of the compound dicinnamil malonate to titanium aluminoid used in the preparation of such microemulsions is 1-5 to 1. 5. Films pursuant to any one of Reservations 1 through 4, where such thermoplastics are selectable from a group comprising low-density polyethylene (LDPE), polypropylene, ethylene vinyl acetate (EVA), and polyvinyl chloride. 6. Films under any of the claims 1 through 5, in which such thermoplastic has a melt flow index of 0.1-8 g/10 min.