Enhancing elongation at break - Highlight

1. Advanced Materials
Enhancing elongation at break
Quarter 1, 2015

2. Advanced Materials 2
Table of contents
Flexible epoxy building blocks Product selection
Elongation at break, modulus and viscosity
Tg and water absorption
Flexible hardeners Product selection
Elongation at break
Modulus and glass transition temperature
Pot life and time to reach 90% conversion

3. Advanced Materials 3
Product Reactivity vs. Bis-A epoxy resin
at room temperature
Impact on mechanical properties vs.Bis-A epoxy resin
at room temperature
Viscosity (mPa.s)
Araldite® DY 3601 Slower 10 times higher elongation 42 - 52 mPa.s
Araldite® DY-L Slower 10 times higher elongation 160 - 240 mPa.s
Araldite® PY 4122 Slower Very low modulus
25 times higher elongation
700 - 1400 mPa.s
Araldite® DY-D Similar Slightly lower modulus
2 times higher elongation
15 - 25 mPa.s
Araldite® CY 184 Similar Higher modulus
2-3 times higher elongation
700 - 1000 mPa.s
Flexible epoxy building blocks
Product selection
Flexible hardeners >< Table of content Flexible epoxy building blocks >

4. Advanced Materials 4
Flexible epoxy building blocks
Elongation at break, modulus and viscosity of the mix
Araldite® PY 4122, Araldite® DY-D and Araldite® CY 184
Araldite® epoxy resin + Aradur® 20315 mixed at stoichiometry
Cure profile: 1 h at 80°C + 1 h at 120°C + 1 h at 150°C
Flexible hardeners >< Table of content Flexible epoxy building blocks >

5. Advanced Materials 5
Flexible epoxy building blocks
Tg and water absorption
Araldite® PY 4122, Araldite® DY-D and Araldite® CY 184
Araldite® epoxy resin + Aradur® 20315 mixed at stoichiometry
Cure profile: 1 h at 80°C + 1 h at 120°C + 1 h at 150°C
Flexible hardeners >< Table of content Flexible epoxy building blocks >
PY 4122, Araldite

6. Advanced Materials 6
Flexible hardeners
Product selection
Flexible hardeners >< Table of content Flexible epoxy building blocks >
Product Latency / reactivity Impact on mechanical properties
cured with Bis-A epoxy resin
Viscosity (mPa.s)
Aradur®
70 Very slow cure at RT Very high flexibility
Max elongation 400 % at RT
and > 250 % at -10°C
16 000 - 27 000
Aradur®
3275 Good compromise
between pot life and curing time
at RT
High level of flexibility
Elongation 110% at RT
and up to 50 % down to -10 °C
200 - 300
Aradur®
15-1 Fast cure at RT Flexible
Elongation 50% at RT
100 - 300
Aradur®
90 Extremely fast cure
at RT
Good modulus combined
with a 8% elongation at RT
10 000 - 16 000

7. Advanced Materials 7
Elongation at break
Aradur® 70, Aradur® 3275, Aradur® 15-1 and Aradur® 90
Flexible hardeners
Araldite® GY 250 (BisA-diglycidyl ether) + hardener mixed at stoichiometry
RT cure profile: 2 weeks at 25°C - HT cure profile: 10 h at 80°C
Flexible hardeners >< Table of content Flexible epoxy building blocks >

8. Advanced Materials
Modulus and glass transition temperature
Aradur® 70, Aradur® 3275, Aradur® 15-1 and Aradur® 90
Flexible hardeners
Araldite® GY 250 (BisA-diglycidyl ether) + hardener mixed at stoichiometry
RT cure profile: 2 weeks at 25°C - HT cure profile: 10 h at 80°C - Tg measured via DMA (Tan delta Peak)
Flexible hardeners >< Table of content Flexible epoxy building blocks >

9. Advanced Materials 9
Pot life and time to reach 90% conversion at 60°C and 80°C
Aradur® 70, Aradur® 3275, Aradur® 15-1 and Aradur® 90
Flexible hardeners
Araldite® GY 250 (BisA-diglycidyl ether) + hardener mixed at stoichiometry
Conversion measured with DSC (isotherm) - Pot life measured with Geltimer (TECAM) on 100 g mix at 25°C
9
Flexible hardeners >< Table of content Flexible epoxy building blocks >

10. Advanced Materials 10
Keep our products at your fingertips
View our latest releases
on SlideShare
Learn more about our products and access
useful technical information through our
latest brochures and white papers.
Download our mobile apps
on your smartphone
Select immediately the right adhesive or
composite formulated system for your
specific need and contact a distributor.

11. Advanced Materials 11
For more information
www.huntsman.com/advanced_materials
advanced_materials@huntsman.com
Europe
Huntsman Advanced Materials (Switzerland) GmbH
Klybeckstrasse 200
P.O. Box - 4002 Basel
Switzerland
Tel. +41 61 299 1111
Fax +41 61 299 1112

12. Legal Disclaimer
Copyright © 2015 Huntsman Corporation
or an affiliate thereof. All rights reserved.
The use of the symbol ® herein signifies the registration of the associated trademark in one or more, but not all, countries. While the
information and recommendations included in this publication are, to the best of Huntsman s knowledge, accurate as of the date of
publication, nothing contained herein is to be construed as a representation or warranty of any kind, express or implied.