Trigonox 44B

Trigonox® 44B 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 VR system.

Additional information

Supplier

Brand

Perkadox

Chemical Short Name

Product CAS nr

37187-22-7

Industry

Automotive & Transportation, Building & Construction, Marine Vessels, Petrochemical

Specifications

Appearance Clear liquid
Color 50 Pt-Co max.
Total active oxygen 4.0-4.2 %

Characteristics

Density, 20°C 1.055 g/cm³
Viscosity, 20°C 21 mPa.s

Applications

Trigonox® 44B 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/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 are comparable to those with Butanox M-50. Trigonox® 44B is particularly suitable in those applications where a fast mold-turnover is required, e.g. for the cold press molding or resin injection molding techniques. The system Trigonox® 44B/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 is used in combination with large amounts of cobalt accelerator possibly in combination with N,N Dimethylaniline as promotor.

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