Polycarbonate diol PCDL

Japan UBE Hybrid Polycarbonate Glycol PH Series PH-100 PH-200…

Product introduction
"ETERNACOLL® PH" is the trade name of a mixed polycarbonate diol developed by Ube Industries, which uses 1,5-pentanediol and 1,6-hexanediol as polymerized monomers.

Specifications

Product indicators	PH 50	PH 100	PH 200	PH 300
apparent	viscous liquid
average molecular weight	Ca. 500	Ca. 1000	Ca. 2000	Ca. 3000
Base number (KOH mg/g)	224 ± 20	110 ± 10	56 ± 5	37 ± 3
Acid value (KOH mg/g)	0.1	<0.1	<0.1	<0.1
Chroma (APHA)	<100	<100	<100	<100
Moisture content (wt%)	<0.1	<0.1	<0.1	<0.1
Viscosity	65-120	400-630	2200-2800	6500-9800

Polyurethane synthesis conditions

Molar ratio ETERNACOLL® UH: 1,4-BD: MDI=1:2:3
Polymerization temperature 80°C, 5hrs in DMF
Film Casting 70°C, 1hr ¦ 120°C, 2hrs

Test Results

Product indicators	Detection method	unit	PH-100	PH-200
proportion	ISO 1183	g/cm3	1.22	1.20
Hardness (ShoreA)			89	86
Elongation factor 100 %1	ISO 527	MPa	34	9
Elongation factor 200 %1	ISO 527	MPa	66	18
Elongation factor 300 %1	ISO 527	MPa	--	33
Tensile Strength 1	ISO 527	MPa	75	53
Elongation at break1	ISO 527	%	222	399
Film tear strength	ISO 34	MPa	154	85
Abrasion resistance 2		mg	11	8
glass transition temperature 3	DSC	ºC	-12	-28

1. The rate is 300 mm/min.
2. Taber, H-22 wheel, 1kg load, 1000 cycles
3. Heating rate: 10 ºC/min

Product Features

product properties	Detection method	unit	PH-100	PH-200
paint 1
Viscosity		cps	87	31
drying time 2	ASTM D5895-03	hours	<2	<2
Paint 3
Hardness (Persoz)	ISO 1522		46	59
Gloss	ISO 2813	%	99	97
chemical resistance	ISO 4211		4	4

Heat resistance: 50 days in an oven at 120°C

1. Solids % w/w = 38, prepolymer NCO/OH ratio = 1.5, prepared by acetone method
2. Completely dry (23℃, 50% RH)
3. After 7 days at a temperature of 23°C and a relative humidity of 50%, measured on a stainless steel plate (ISO 1514)

Water resistance: submerged in water at 80°C for 60 days
Oil resistance: immersion in BP CS 150 at 100°C for 30 days
Weather resistance: 200 hours exposure to 340nm wavelength beam through weathering instrument
radiation dose 35 Wm2/nm
Black mark temperature 65℃±3℃
Relative humidity
Dry for 102 minutes, then spray with water for 18 minutes
(rain test)