Trigonox® 44B VRN is an acetylacetone peroxide formulation for fast curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures, including a Vanishing Red (VR) system.
| Appearance | Red liquid |
| Color | ≤ 50 Pt-Co / APHA |
| Total active oxygen | 4.0-4.2 % |
| Viscosity, 20°C | 21 mPa.s |
| Density, 20°C | 1.055 g/cm³ |
Trigonox® 44B VRN is an acetyl acetone peroxide formulation for the curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. With the curing system Trigonox® 44B VRN/cobalt accelerator a much faster speed of cure may be achieved than with curing systems based on a MEKP plus cobalt accelerator, at room and elevated temperatures. Normally the gel times with Trigonox® 44B VRN are comparable to those with Butanox M-50.Trigonox® 44B VRN is particularly suitable in those applications where a fast mould-turnover is required, e.g. for the cold press moulding or resin injection moulding techniques.The system Trigonox® 44B VRN/cobalt accelerator will give a higher peak exotherm than a standard MEKP/cobalt accelerator system. Due to this fact, is it recommendable to avoid the production of too thick laminates in one operation. At low temperatures a reasonable speed of cure is still obtained when Trigonox® 44B VRN is used in combination with large amounts of cobalt accelerator possibly in combination with N,NDimethylaniline as promotor.
Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:6731-36-8
Physical form:Liquid
Molecular Weight:302.5
Chemical name:1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane, 90% solution in isododecane
Brand:Perkadox®
Chemical family:Organic peroxide
CAS number:94-36-0
Physical form:Granular powder
Chemical name:Dibenzoyl peroxide
Brand:Trigonox
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide, in solvent mixture
Brand:Polylite
Appearance: Clear liquid,no visible mechanical impurity
Epoxy Equivalent (g/eq): 176–184
Color (Gardner): Max 1.0
Flash Point (℃): Above 150
Viscosity (cps, at 25℃): 8000–11000
Hydrolyzable Chlorine Content (ppm): Below 1000
Specific Gravity (g/cm³, 25℃): 1.16
Brand:Polylite
Appearance: Semi-solid
Epoxy equivalent (g/eq): 170-190
*Hue(G): 3.0Max.
Flash point (℃): 250↑
Solution viscosity (25℃): H~K
Density (g/cm³ 20℃): 1.18
Brand:Polylite
Appearance: Brown-yellow transparent liquid
Density: 1.05-1.07kg/L
Viscosity: 1 350±100cps
Solid content: 55±1%
Gelation time: 2 15±5min
Shelf life: 6 months (below 25℃)
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