Diol
Kuraray Polyol

Rev 07/2023

Technical Information

Contents
Products & features
Diol• MPD : 3-methyl-1,5-pentanediol• ND: 1,9-nonanediol

Kuraray polyol• Polyester polyols and polycarbonate polyols• MPD Adipate 500 – 6000 in MW• MPD Phthalate 500 – 2000 in MW• Di-functional and Tri-functional• Bio-based
� Low viscosity liquid for high process efficiency
� High compatibility with other polyols for broad
formulation options

Outstanding
features ofPUR withKuraray polyol
� Soft & flexible
� Transparent
� High shock absorption
� Low compression & elongation set� Grades with high and low solvent resistance� Grades with high and low water absorption
� Excellent hydrolysis resistance� Excellent flex fatigue at low temperature

Polyol grades vs PURproperties chart2

Products & features
Diol
MPD : 3-methyl-1,5-pentanediol
Applications of MPD
� Polyols for Polyurethane resins & UV oligomers
� Chain extender for Polyurethane resins
� Polyester resins� Di-acrylates� Polymeric plasticizer� Solvent for inks

HOOH

Hydrolysis resistance of PU resin from MPD based
Polyester polyol is high even MPD portion is small
as an ingredient of polyester polyol.

Retention of modulus
at 300% strain

100%80%Composition: Polyol (Mw 2000)/1,4BD/MDI=1/2/3

60%
40%

1,4BD: MPD=0:100

Polyol: ( 1,4BD + MPD )/adipic acid

1,4BD: MPD=50:50

Condition: Sheets of PU resins were soaked into waterat 100°C for 7 days.
Measure modulus during the endurance test

1,4BD: MPD=70:30
20%

1,4BD: MPD=100:00%
02

468Time (days)

ND : 1,9-Nonanediol
Applications of ND
� Polyols for polyurethane resins & UV oligomers
� Chain extender for polyurethane resins� Polyester resins� Di-acrylates

HOFeatures of pre-polymers and resins from ND
� Hydrolysis resistance� Sharp melting point resins� Less skin irritation in di-acrylate

Melting Point : 46˚C / 115˚FViscosity: 33 mPa.s @ 60˚C / 140˚F> Same viscosity as acetone @ 20˚C / 68˚F3OH

Products & features
Kuraray polyol
MPD based polyols
Polyol type

Polyester

GradeComposition

M.W.

Appearance

P-**10

MPD adipate

500-6000

Liquid

P-**11

MPD adipate/terephthalate

2000

Wax

P-**20

MPD terephthalate

500-2000

LiquidP-**50

MPD sebacate

2000LiquidF-**10

3 functional type500-3000

LiquidC-**50

MPD/ HD 5:5
carbonate

2000

LiquidC-**90

MPD/ HD 9:1
carbonate

500-3000

LiquidPolycarbonate

Features of MPD
based polyols
� Liquid at room temperature� Low viscosity of polyols andpre-polymers from MPD polyols
� High compatibility with otherpolyols

Appearance of polyols
Conventional polyols

Kuraray polyol

Viscosity of pre-polymers from different polyols
Test Method: Polyol:DMPA:IPDI = 1:1:3.15 (mole) 20 wt% in MEK
1040PBA
P-2010Viscosity Pa . s)

Viscosity Pa . s)

8642PHC30C-2090
20100030405060703080

Temperature (˚C)

50406070

Temperature (˚C)

Compatibility of polyols++ : Clear homogenous in any rate

PPG 2000PTMEG 1000

PHC 2000

P-2010+++++PBA 2000———— : Double layer

Condition: 20˚C

4

: Clear homogenous in specific rate80

Outstanding features ofPUR with Kuraray polyol
Soft & Flexible
80

PBA
P-201060

Stress (MPa)Stress (MPa)

80

PTMEG

40
2000200

400600C-209060PBA40200800

PHC0200400600

800

Strain (%)

Strain (%)

� PU made from Kuraray polyol P-series are more
flexible than ones made with conventional polyester
polyols and as soft as PTMEG.

� PU made from Kuraray polyol C-series are more
flexible than ones made with conventional
polycarbonate polyols and as soft as PBA(polyester type).

PU made fromKuraray polyol

Conditions: PU composition (Polyol / HDI isocyanurate =1 /1, film thickness = 2 mm

PU made from conventional polyol

Transparent

High shock absorption
Conditions : Compressed to 75% of the original thickness for		 22 hr at 50˚C and measured 30 minutes after removal
Sample: 12 mm thickness molded microcellular elastomer

Resilience (%)

50403020100F-2010

� PUR from MPD adipate shows lower rebound compared toother polyester polyols and ether polyols.

F-2010 /Polyether
PPG (50/50)
polyolPolyester
polyolResilience (%)

40Low elongation set
TPU : Polyol / MDI / 14BD = 1/3/2 (mole)Elongation set 100%, 24 hours, 23˚C

3530
2520
15
10505

P-2010 P-2050 PBA

PCL PTMEG C-2090 PHC

Grades with high and low
solvent resistance

Grades with high and low water
absorption rate

PTMEG

P-2050P-2010PBAPHC

P-2020Type ofPolyol

Ether

Ester

Ester

Ester

Carbonate

Ester

WeightIncrease(%)

15.9

12.1

10.5

8.7

3.2

Water absorption rate of PUR can be controlled bychoice of MPD based polyol used
Water absorption [g/m2]

Polyol0.2

TPU : Polyol / MDI / 14BD = 1/3/2 (mole)
Weight increase (%) after immersion in IPA at R.T. for 1 day

181614121086420

16.0

10.2
8.2
7.0
4.6
0.0
P-2050 P-2010

PCLPBAPTMEG P-2020

TPU : Polyol / MDI / 14BD = 1/3/2 (mole)
Water absorption of TPU, 10*20*2 mm sheet,at room temperature for 4 days

Flex fatigue properties at low temperature

Kuraray Polyol

PU bending testPolyol

PU Tg (˚C)

-10˚C

-20˚C

-30˚C

PTMEG

-75

No damage after 80ktimes

Crack after 80k times

Crack after 80k times

PBA

-45

No damage after 80ktimes

Crack after 80k times

Crack after 80k times

PHC

-18

Break after 40k times

Break after 20k times

Break after 20k times

P-2010-41

No damage after 80ktimes

No damage after 80ktimes

No damage after 80ktimes

C-2050-15

No damage after 80ktimes

No damage after 80ktimes

No damage after 80ktimes

C-2090-15

No damage after 80ktimes

Break after 20k times

Break after 20k times

TPU : Polyol (MW=2000)/MDI/14BD=1/3/2 (mole)

P-2010 kept the same shape after 80k bending times
at -20˚C.

PBA changed shape after 80k bending times at -20˚C.

6PUR with Kuraray polyol
Polyol grades vs PUR
properties chart

Ether polyol
Ester polyol
PCD
Kuraray polyol

Soft & flexible
Soft & Flexible

HardPTMEG
PBA

PCL

P-2050P-2010PHC
C-2090P-2011

P-2020Flex fatigue properties at low temperature
Less durable

More durable
PBA

PHC

PTMEG

P-2010C-2050C-2090Transparency
Transparent

OpaquePHC

PTMEG
P-2010P-2050P-2020C-2090PBA

Shock absorptionMore absorb

Less absorb
DEG/TMP-AA

EO-PPG

F-2010Elongation set
Less setMore set
PHC

P-2010P-2050P-2020

PTMEG

PCL

PBA

C-2090Compression set
Less setMore set
PHC
P-2050C-2090

PTMEG

PBA

PCL
P-2020P-2011

P-2010

Solvent resistance (absorption of IPA)
Less absorb

More absorb
PHC

P-2020PBA

C-20907PCL
P-2010P-2050PTMEGWater absorptionMore absorb

Less absorb
PTMEG

PHC

PBA
PCL

P-2020P-2010P-2050P-2011
C-2090

Water resistanceLess durable

More durable

PBA

PTMEG

PCL
P-2010PHC
P-2050P-2011

P-2020C-2090Adhesion to PET resin
Less strong

More strong
PTMEG

PCL
PHC

P-2050PBA
P-2020P-2010C-2090P-2011Abbreviations
14BD
HD
EO-PPG
PTMEG: 1,4-butanediol: 1,6-hexanediol: Ethylene oxide capped PPG: poly tetramethylene glycol

PBA
PCL
DEG/TMP-AA
PHC: poly (1,4-butylene adipate)-diol: poly caprolactone diol
: poly (diethylene glycol, trimethylolpropane adipate)-triol: poly (1,6-hexane carbonate)-diol

Contacts
ASIA
Kuraray Co., Ltd.
Tokiwabashi Tower, 2-6-4, Otemachi,
Chiyoda-ku, Tokyo 100-0004
Japan
Tel: +81-3-6701-1628

AMERICA
Kuraray America, Inc.
2625 Bay Area Blvd., Suite 600
Houston, Texas 77058-1551
U.S.A.
Tel: +1-281-283-1790

� https://www.isoprene-chemicals.com/en/inquiry.html

� chemical.sales@kuraray.com
� www.kuraray.us.com/contact

Kuraray India Private Limited
Prius Platinum, 2nd Floor, B-wing,
D-3, District Centre,
Saket New Delhi 110017
India
Tel: +91-11-4090-4400

Kuraray México S. de RL de CV
Enrique Wallon 428, Piso 5
Colonia Rincón del Bosque, MiguelHidalgo Delegation
CP 11580
México, DF
Tel: +52-55-52620490

� Info.india@kuraray.com
� www.kurarayindia.co.in
Kuraray Advanced Chemicals(Thailand) Co., Ltd.
555/1 Energy Complex Building A,
10th Floor,
Vibhavadi Rangsit Road, Chatuchak,Chatuchak, Bangkok 10900
� https://www.isoprene-chemicals.com/en/inquiry.html

� sales.kmx@kuraray.com
� www.kuraray.mx/contact

Kuraray Argentina S.R.L.
Juana Manso, 590.
Torre Norte Piso 14-A3 C1107CLB
Buenos Aires
Argentina
Tel: +54-11-5245-7929
� infokuraraybr@kuraray.com
� www.kuraray.com.br/es/contacto
EMEA
Kuraray Europe GmbH
Philipp-Reis-Straße 465795 Hattersheim am Main
Germany
Tel: +49-69-305-35844
� chemicals@kuraray.eu
� www.kuraray.eu/contact

Kuraray South America Ltda.
Av. Paulista, 1636- Condominio Paulista
Corporate,sala 405- Bela Vista, CEP 01310-200São Paulo-SP- Brasil
Tel: +55-11-2615-3531
� infokuraraybr@kuraray.com
� www.kuraray.com.br© Kuraray. 2023. All rights reserved.
The information, recommendations and details given in this document have been compiled with care and to our best knowledge and belief.
They do not entail an assurance of properties above and beyond the product specification. The user of our products is responsible for ensuringthat the product is suitable for the intended use and conforms to all relevant regulations. Kuraray Co., Ltd. and its affiliates do not accept any
guarantee or liability for any errors, inaccuracies or omissions in this document.