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Catalyst curing agent hardener appearance
Trigonox® K-80
Product description Cumyl hydroperoxide, 80% in aromatic solvent mixture
CAS No. : 80-15-9
EINECS/ELINCS No. : 201-254-7
TSCA status : listed on inventory
Specifications Appearance : Clear liquid
Assay : 80.0-85.0%
Color : 450 Pt-Co max.
Active oxygen : 8.40-8.94%
Characteristics Density, 20°C : 1.06 g/cm3
Viscosity, 20°C : 10.4 mPa.s
Storage Due to the relatively unstable nature of organic peroxides a loss of quality can be detected over a period of time. To minimize the loss of quality, AkzoNobel recommends a maximum storage temperature (Ts max.) for each organic peroxide product.
For Trigonox K-80 Ts max. = 40°C and Ts min. = -30°C to prevent crystallization
When stored under these recommended storage conditions, Trigonox K- 80 will remain within the AkzoNobel specifications for a period of at least 6 months after delivery.
Thermal stability Organic peroxides are thermally unstable substances, which may
undergo self-accelerating decomposition. The lowest temperature at
which self-accelerating decomposition of a substance in the original packaging may occur is the Self-Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Accumulation Storage Test.
For Trigonox K-80 SADT : 75°C
1 phr Trigonox K-80 90°C
1.5 phr Trigonox K-80 + 0.5 phr Acc. NL-51P 1380 min.
The following table indicates the performance of Trigonox K-80, in comparison with usual Butanox® systems, in a vinylester resin:
|
Vinylester resin |
100 |
100 |
|
Trigonox K-80 |
2 |
- |
|
Butanox LPT |
- |
2 |
|
Accelerator NL-49P |
- |
2 |
|
Accelerator NL-63-10P |
- |
2 |
|
Accelerator VN-2 |
1 |
- |
|
Gel time at 20°C (min.) |
12 |
17 |
|
Cure at 20°C in 2 mm laminate |
|
|
|
Time to achieve a Barcol hardness (934-1) of 25-30 in hours |
0.5 |
1 |
|
Residual styrene (%) after 24 hours |
4.8 |
7.1 |
|
after 1 month |
0.6 |
4.2 |
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Main Product:
Unsaturated Resin ,
Vinyl Ester Resin,
Epoxy Resin,
Gel coat resin,
The glass fiber,
Curing agent
