Advanced Materials
Enhancing elongation at break
Quarter 1, 2014
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
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 >
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 >
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
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
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 >
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 >
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 >
Advanced Materials 10
Keep our products at your fingertips
View the brochure on SlideShare With this brochure get an overview of our comprehensive range of building blocks for formulators.
Download our mobile apps on your smartphone With these apps select immediately the right: !! Araldite® industrial adhesive for your specific need !! Araldite® composite formulated system for your process / application Access the product description or send us an email to request the technical data sheet.
Araldite® - Adhesives (Europe) Download on iPhone | Android
Huntsman - Composite resins (Europe) Download on iPhone | Android
Advanced Materials 11
For more information
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