ube ube hybrid polycarbonate diol ph series ph-50 ph-100 ph-200 ph-300

product introduction
"eternacoll® ph" is the brand name of a hybrid polycarbonate diol developed by ube kosan. this polycarbonate diol uses 1,5-pentanediol and 1 ,6-hexanediol is a polymerized monomer.

specifications

heat resistance: 120℃ heated in the oven for 50 days

1. solid content % w/w = 38, prepolymer nco/oh ratio = 1.5, preparation by acetone method
2. completely dry (23℃, 50% rh)
3. measured on a stainless steel plate after 7 days at a temperature of 23°c and a relative humidity of 50% (iso 1514)

water resistance: submerged at 80℃60 days in the water
oil resistance: 100℃℃immersion in bp cs 150 for 30 days
weather resistance: 200 hours of exposure using a 340 nm wavelength beam through a weathering instrument
radiation amount 35 wm2/nm
black mark temperature 65℃ ± 3℃
relative humidity
​ ​ ​ ​ dry for 102 minutes, then immediately spray with water for 18 minutes
(rain test)