Light shielding sheet

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 5/02 (2006.01) B32B 5/18 (2006.01) B32B 27/12 (2006.01)

Patent

CA 2458492

A light shielding sheet, comprising a light shielding material formed of a white film with a light transmittance of 50% or less and a reinforcement material formed of woven or unwoven cloth, wherein the white film should desirably have voids formed in the film by stretching the film or have air bubbles formed in the film due to foaming by using foaming agent, whereby the weight can be reduced, strength can be increased, durability can be improved, temperature rise due to absorption of heat from sunlight, and the sheet can be used suitably for a light shielding material for agriculture and horticulture.

L'invention concerne une feuille pare-lumière comprenant un matériau pare-lumière constitué d'un film blanc d'une transmittance lumineuse n'excédant pas 50 % et une matière de renforcement constituée de tissu tissé ou non tissé. Le film blanc devrait, de préférence, avoir des vides formés par étirage du film, ou des bulles d'air formées dans le film par moussage au moyen d'un agent moussant, ce qui permet de réduire le poids, d'accroître la résistance, d'améliorer la durabilité, ce qui permet également à la température d'augmenter du fait de l'absorption de la chaleur provenant de la lumière solaire et à la feuille d'être utilisée de façon appropriée comme matériau pare-lumière en agriculture et horticulture.

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