Technical Guide

UH, PH, BH, UHC, UC, UM

PolycarbonatediolsEternacoll®

High Performance for yourpolyurethanes

ETERNACOLL® PH

ETERNACOLL® PH is the brand name of UBE for copolycarbonatediol, wheretwo kinds of diols (1,5 pentanediol and 1,6-hexanediol) are used as diolcomponent. Its structure is shown as follows

UBE has developed ETERNACOLL® PH production technologyand momentarily four different PH grades are on sale

Specifications of ETERNACOLL® PH

Properties PH-50 PH-100 PH-200 PH-300

Appearance ---------------- Viscous liquid ----------------

Average Molecular Weight Ca. 500 Ca. 1000 Ca. 2000 Ca. 3000

OH Value (KOH mg/g) 224 ± 20 110 ± 10 56 ± 5 37 ± 3

Acid Value (KOH mg/g) <0.1 <0.1 <0.1 <0.1

Colour (APHA) <100 <100 <100 <100

Water (wt%) <0.1 <0.1 <0.1 <0.1

Viscosity (cp/75 ºC) 65-120 400-630 2200-2800 6500-9800

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ETERNACOLL® PH Features of Polyurethane

Properties of Polyurethane using ETERNACOLL® PH

[Conditions of polyurethane synthesis]

Molar ratio ETERNACOLL® UH: 1,4-BD:MDI=1:2:3

Polymerization 80°C, 5hrs in DMF

Film casting 70°C, 1hr � 120°C, 2hrs

Properties Method Unit PH-100 PH-200

Specific gravity ISO 1183 g/cm3 1.22 1.20

Hardness (ShoreA) 89 86

Modulus at elongation 100 %1 ISO 527 MPa 34 9

Modulus at elongation 200 %1 ISO 527 MPa 66 18

Modulus at elongation 300 %1 ISO 527 MPa -- 33

Tensile strength1 ISO 527 MPa 75 53

Elongation at break1 ISO 527 % 222 399

Tear strength film ISO 34 MPa 154 85

Abrasion resistance2 mg 11 8

Glass transition temp3 DSC ºC -12 -28

1 Speed 300 mm/min.2 Taber, H-22 wheel, 1kg load, 1000 cycles3 Onset Heating rate: 10 ºC min

Properties of PUD using ETERNACOLL® PH

Properties Method Unit PH-100 PH-200

Lacquer1

Viscosity cps 87 31

Drying time2 ASTM D5895-03 hours <2 <2

Coating3

Hardness (Persoz) ISO 1522 46 59

Gloss 60º ISO 2813 % 99 97

Chemical resistance ISO 4211 4 4

1 % solids w/w = 38, prepolymer NCO/OH ratio= 1.5, prepared by acetone method2 Complete drying (23 ºC, 50% RH)3 Measured on stainless steel plates (ISO 1514) after 7 days at 23 ºC and 50% RH

ETERNACOLL® PH Features of Polyurethane

Durability of Polyurethane Films

Heating resistance: heating in oven at 120 ºC for 50 days

Hydrolytic resistance: immersing in water at 80 ºC for 60 days

Oil resistance: immersing in BP Oil CS 150 at 100 ºC for 30 days

Weather resistance: exposing in sunshine weatherometer for 200 h at

340 nm borosilicate filters

Radiation 35 Wm2/nm

Black standard temperature 65 ºC ± 3 ºC

Relative humidity

Dry cycle of 102 minutes followed by 18 minutes of sprayed water

(raining simulation).

PH100

Re

ten

tio

n o

f te

nsi

le s

tre

ng

th (

%)

120

100

80

60

40

20

0

PH200 Polyetherdiol Polyesterdiol

Heating Resistance Hydrolytic Resistance Oil Resistance Weather Resistance

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ETERNACOLL® PH Features of Polyurethane

Durability of PUD

Retention of Properties

Increase of Yellowness Index

Heating resistance: ISO 3248 15 days at 120 ºC

Weather resistance: ISO 11507

Yellowness index: ASTM D1925

Thickness: ISO 2808

Incr

em

en

t o

f ye

llo

wn

ess

in

de

x (%

)

1500

1250

1000

750

500

250

0

PH100

Re

ten

tio

n o

f p

rop

ert

ies

(%)

Hardness

Heat resistance

Gloss 60 º Hardness

Weather resistance

Thickness

1100

1080

1060

100

80

60

40

20

0

120

100

80

60

40

20

0

PH200 Polyetherdiol Polyesterdiol

PH100 PH200 Polyether Polyester

Polyol grade

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If you have any further questions or if you need more information, please contact your regionalUBE partner. We are looking forward to helping you.

UBE INDUSTRIES, LTD.Seavans North Building,1-2-1, Shibaura, Minato-kuTokyo 105-8449, JapanPhone: + 81 (3) 54 19 61 75Fax: + 81 (3) 54 19 62 55www.ube.co.jp

UBE Chemical Europe S.A.Cardenal Marcelo Spinola, 428016 Madrid, SpainPhone: + 34 915 97 20 69Fax: + 34 915 97 28 69www.ube.es

UBE America Inc.261 Madison Avenue, 28th Floor,New York, N.Y.10016, U.S.A.Phone: + 1 -212-551-4711Fax: + 1 -212-551-4739www.ube.com

UBE Latin America Serviços Ltda.Rua Iguatemi 192, 13th floor, room 134Sao Paulo – SP – CEP 01451-010 BrazilTel: +55 (11) 66370409www.ube.com

DisclaimerThe data contained in this publication are based on our current knowledge and experience. In view of the many factors that may affect processing and application ofour product, these data do not relieve processors from carrying out their own investigations and tests; neither do these data imply any guarantee of certain properties,nor the suitability of the product for a specific purpose. Any descriptions, drawings, photographs, data, proportions, weights etc. given herein may change withoutprior information and do not constitute the agreed contractual quality of the product. It is the responsibility of the recipient of our products to ensure that any pro-prietary rights and existing laws and legislation are observed.