exotherm


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exotherm

[′ek·sə‚thərm]
(chemical engineering)
The graphical plotting of heat rise and fall versus time for an exothermic reaction or process system.
References in periodicals archive ?
With a heat of combustion of 25 kJ/g these 30 [micro] g can cause an exotherm of 750 mJ
Unlike thermoset prepregs, CBT prepregs are non-reactive at room temperature thus providing a virtually infinite shelf life and CBT resins do not have an exotherm during polymerization.
The exotherm maximum was found at 460 K and the heat of decomposition was of the order of 1000 J [g.
After the exotherm subsided, the reaction mixture was stirred at ambient temperature for 12 h.
Computer control system has cycle editor with more than 24 controllable parameters, including part-heat rate, guaranteed soak, exotherm detection, pressure rate, vacuum levels, and alarms.
He is directly responsible for the development of the patented neutral pH BriteSmile Procedure Gel (used in conjunction with the BriteSmile light system), in addition to many of the peripheral products used in conjunction with the BriteSmile procedure or as take-home whitening maintenance products, such as the BriteSmile Low Exotherm Barrier Material, the BriteSmile Masking Creme, and the BriteSmile Whitening Maintenance Non-Alcohol Mouthwash.
These resins are designed for long adjustable gel times and low peak exotherm (less than 150 degrees F.
A glass transition shoulder and an endotherm of chain relaxation at about 62[degrees]C were observed for the reference (curve 5) and melt drawn (curve 4) fibers, as well as a melting crystallization exotherm and a melting endotherm.
If the temperature of the sample rises when no additional heat is applied, that is termed an exotherm and can indicate cure.
Dow Automotive developed new polyol chemistry that provides fast reaction, low exotherm, and good mechanical properties.
8 g of 77%) was added all at once, and 8[degrees]C exotherm was noted.