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PN-23, MY-24 Formulations

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As a sole curing agent (Combinations of PN-23 and MY-24)

 

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Liquid bisphenol A epoxy resin* 100 100 100 100 100 100
“AJICURE” PN-32 25 20 15 10 5 0
“AJICURE” MY-24 0 5 10 15 20 25
Aerosil #200 1 1 1 1 1 1
Initial viscosity (mPas) 38000 44000 44000 48000 50000 50000
Pot life at 40deg.C** (days) 30 30 >60 >90 >90 >90
Gel time (min) 80deg.C 15.6 17.2 20 22.9 38.8 54.9
100deg.C 3.6 3.7 3.9 3.9 4.2 4.3
120deg.C 1.9 2.1 2.4 2.8 4.1 6.4
Tg(deg.C) 120deg.C-30min. 139 133 116 109 89 83
Tensile shear strength (st/st, kgf/cm2) 100deg.C-60min. 123 121 135 144 168 234
120deg.C-60min. 135 143 150 174 207 235
Tensile strength (kgf/cm2) 100deg.C-60min. 471 464 491 473 540 505
Elongation (%) 4.8 4.1 5.2 4.9 5.9 5.2
Water uptake
(boiling water 1hr, wt%)
100deg.C-60min. 0.43 0.43 0.43 0.39 0.42 0.45

* Liquid bisphenol A epoxy resin having an epoxy equivalent weight of 190
** Pot life : period until initial viscosity doubles at 40deg.C

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As an accelerator for DICY

  1 2 3 4 5
Liquid bisphenol A epoxy resin* 100 100 100 100 100
DICY 8 8 8 8 8
“AJICURE” PN-23 1 3 5
“AJICURE” MY-24 5
DCMU 1) 5
Pot life at 40deg.C** (days) >30 >30 >30 >30 7
Gel time (min) 100deg.C 27.7 50.5 67.8
120deg.C 42.7 13.9 7.4 10.7 18.4
Tg(deg.C) 120deg.C-60min. 141 137 139 141 139
Tensile shear strength (st/st, kgf/cm2) 120deg.C-60min. 50 183 185 173 207
150deg.C-60min. 283 245 182 234 233

1) DCMU : 3-(3,4-dichlorophenyl)-1,1-dimethylurea

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As an accelerator for acid anhydride

  1 2 3 4
*Liquid bisphenol A epoxy resin 100 100 100 100
MHHPA 1) 85 85 85
MTHPA 2) 80
“AJICURE” MY-24 3 5 3
DMP-30 3) 1
Initial viscosity (mPa s) 720 800 700 600
**Pot life at 40deg.C (days) 20 14 >30 1
Gel time (min) 100deg.C 25.3 16.1 35.1 12.9
120deg.C 8.0 5.7 9.7 5.0
Tg (deg.C) 120deg.C-60min. 117 120 108 127
Water uptake
(boiling water 1hr, (wt%))
120deg.C-60min. 0.3 0.3 0.3 0.3

1) MHHPA : Methylhexahydrophthalic anhydride
2) MTHPA : Methyltetrahydrophthalic anhydride
3) DMP-30 : 2,4,6-Tris(dimethylaminomethyl)phenol

Technical data presented in this document are typical experimental values and do not signify any of the products’ specifications. The data may be revised without prior notice.

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The inquiry about this product
The Ajinomoto fine-techno are a company which bears the core of the fine-chemicals enterprise of Ajinomoto groups including insulating material "Ajinomoto Build-up Film"(ABF).
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