BIAXIALLY ORIENTED, UV-STABILIZED, SINGLE OR MULTI-LAYER POLYESTER FILMS COMPRISING SILICON DIOXIDE PARTICLES AS LIGHT DIFFUSION PARTICLES AND A UV STABILIZER, AND METHOD FOR THEIR PREPARATION AND THEIR USE IN GREENHOUSE SHADOW MATS
Lohre, Claudia,Kliesch, Holger,Bork, Andreas,Ünker, Yavuz
申请号：
EP20170151729
公开号：
EP3196014(B1)
申请日:
2017.01.17
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要：
PROBLEM TO BE SOLVED: To provide a biaxial oriented polyester film exhibiting high transparency and low combustibility and having scattering activity especially suitable for greenhouse use.SOLUTION: The invention relates to a monolayer or multilayer polyester film which (1) has transparency of 70 to 92%, (2) contains SiOof 1.0 to 2.5 wt.%, (3) has SV value of 700 or more, (4) has scattering factor SF of 2 to 8, (5) has haze of 60 to 95%, and (6) has transparency according to ASTM-D-1003 of 15 to 40%, wherein (7) each outer layer contains an organic UV stabilizer of 0.3 wt.% or more based on weight of each layer, a manufacturing method therefor and a use thereof.SELECTED DRAWING: None
