Covering of hotbeds and greenhouses

Details Covering of hotbeds and greenhouses Covering of hotbeds and greenhouses

A - Human Necessities

01

G

A01G 7/00 (2006.01) A01G 9/14 (2006.01) B32B 7/02 (2006.01) B32B 9/04 (2006.01) C08J 5/18 (2006.01) C08K 3/08 (2006.01) C08K 3/22 (2006.01) C08K 5/45 (2006.01) E04B 1/32 (2006.01) F21V 9/14 (2006.01) F24C 3/00 (2006.01)

Patent

CA 2348943

Doped polymer sheeting (3a) for covering hotbeds and greenhouses has a photo- transforming additive (1a) based on yttrium-europium oxysulfide, a light-stabilizing agent (2a) based on polyaminosuccinate, and a polymer resin used to form high-density film, with a light-active inorganic filler added to its volume and including blue-and red-emitting pigments and attached to a frame.

L'invention concerne une feuille (3a), à base d'un polymère dopé, destinée à recouvrir les couches chaudes et les serres. Ladite feuille renferme un additif (1a) de photo-transformation à base d'oxysulffure d'yttrium-europium, un agent (2a) photostabilisant à base de polyaminosuccinate, et une résine polymère utilisée pour former un film haute densité, dans le volume duquel on ajoute une charge inorganique photo-active comprenant des pigments émetteurs bleu et rouge, lequel film est fixé à un cadre.

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