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AZO Series
AZO Series's Product Categories
Azo type Initiators
Technology in fabrics, resins, paints and adhesives is supported by catalyst chemistry in polymer chemistry. Otsuka Chemical contributes polymer industries by introducing variety of AZO type initiators in order to meet request from polymer industry with our technology.
AIBN2,2'-Azobis-isobutyronitrile
AMBN2,2'-Azobis-2-methylbutyronitrile
ADVN2,2'-Azobis-2,4-dimethylvaleronitrile
ACVA4,4'-Azobis-4-cyanovaleric acid
Applications
| AIBN | AMBN | ADVN | MAIB | ACVA | |
|---|---|---|---|---|---|
| Methyl methacrylate |
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| Vinyl chloride |
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| Vinyl acetate |
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| ABS |
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| Styrene |
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| Acrylic acid ester |
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| Acrylonitrile |
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| SBR |
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| Acrylamide |
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| Polyol |
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| Butadiene |
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| Methacrylic acid |
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The classification according to the polymerization temperature of azo polymerization initiator
- Low-temperature polymerization application …… ADVN
- Medium temperature polymerization application …… AIBN, AMBN
- Water-soluble type …… ACVA
The property of the Azo polymerization initiator
|
AIBN
|
AMBN
|
ADVN
|
ACVA
|
|
|---|---|---|---|---|
|
Molecular weight
|
164.2 | 192.3 | 248.4 | 280.3 |
|
Melting point (°C)
|
100~103 | 48~52 | 45~70 | 110~120 |
|
Decomposition point (°C)
|
100~103 | 105~107 | 97~99 | 110~120 |
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10hours. half-life (°C)
|
65 | 67 | 52 | 68 |
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Activation energy (kcal/mol)
|
31.3 | 29.4 | 29.0 | 34.0 |
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CAS RN®
|
78-67-1 | 13472-08-7 | 4419-11-8 | 2638-94-0 |
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Fire Service Act No.
|
5-II | 5-II | 5-II | Nonhazardous material |
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Purity (%)
|
>98 | >98 | >98 | >98 (after drying) |
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Volatile matter (%)
|
<0.1 | <2 | <1 | <20 (water) |
Data of the solubility
|
AIBN
|
AMBN
|
ADVN
|
ACVA
|
|
|---|---|---|---|---|
|
Water
|
<0.1 | <0.1 | <0.1 | <0.1 |
|
Methanol
|
6.1 | 113 | 63 | 8.5 |
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Acetone
|
28 | 263 | 213 | 1.5 |
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Benzene
|
10 | 187 | 176 | <0.1 |
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Toluene
|
4.6 | 153 | 129 | <0.1 |
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Xylene
|
2.1 | 103 | 91.1 | <0.1 |
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n-Hexane
|
0.1 | 2.4 | 10 | <0.1 |
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DMSO
|
7.2 | 87.3 | 35 | 48.2 |
|
DMF
|
19.8 | 192 | 121 | 84.5 |
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Styrene
|
5.7 | 146 | 118 | <0.1 |
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MMA
|
7.3 | 137 | 104 | <0.1 |
at 20°C(g/100g solvent)
