Polymeric thermal films for use in agriculture

These films contain at least an 85% in weight of a polyolefin, such as low density polyethylene, low density linear polyethylene, ethylene-vinyl acetate copolymers or ethylene-butyl acrylate copolymers. The addition of between 1% and 15% of the mixture of, at least, a borate stable in the processing...

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Bibliographische Detailangaben
Hauptverfasser: SALMERON CANO, ARMANDO, ESPI GUZMAN, ENRIQUE
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:These films contain at least an 85% in weight of a polyolefin, such as low density polyethylene, low density linear polyethylene, ethylene-vinyl acetate copolymers or ethylene-butyl acrylate copolymers. The addition of between 1% and 15% of the mixture of, at least, a borate stable in the processing conditions and, at least, a compound selected from the group made up of silica, silicates, carbonates and sulfates, imparts to these compositions a high opacity in the infrared region of the spectrum, without substantially interfering with the visible light necessary for the photosynthesis.