autocatalysis

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autocatalysis

[¦ōd·ō·kə′tal·ə·səs]
(chemistry)
A catalytic reaction started by the products of a reaction that was itself catalytic.
References in periodicals archive ?
LITTAU, Switzerland -- Dow Electronic Materials (NYSE:DOW) introduces Silveron[TM] MF 100 autocatalytic silver and Aurolectroless[TM] SMT immersion gold for ASIG (autocatalytic silver immersion gold) final finish process for the PCB (printed circuit board) industry.
The advantage of this model over the more simplistic first order rate equation is that it incorporates the autocatalytic behavior observed for PLA degradation.
Autocatalytic deposition of gold and palladium onto n-GaAs in acidic media.
It has been demonstrated that hK6 has autocatalytic activity and that it can activate and inactivate itself by cleavage of the propeptide and by internal cleavage, respectively (26, 27).
Since aging is often autocatalytic, a better estimation of the useful life of an elastomeric compound can be determined.
The length of time necessary for all the stabilizer to be exhausted and the sample to start undergoing autocatalytic oxidation is designated as the OIT.
13); one following the most-simple reaction, and another implying that an autocatalytic reaction is occurring.
For hydrolysis, the degradation has been postulated as an autocatalytic process occurring at the hydrolysis-susceptible, hydrophilic regions in the films.
The binding of these phenolic compounds to LDL supports the role of phenolics in the protection of the autocatalytic chain reaction of fatty acid peroxidation in LDL directly and/or by preservation of other chain-breaking antioxidants such as a-tocopherol (9).
Because of the autocatalytic nature of ester hydrolysis it is the most prevalent.
Since, OH groups produced by epoxy-amine reactions accelerate epoxide ring opening Kamal and Sourour suggested an autocatalytic reaction mechanism to analyze reaction kinetics of a typical amine cured epoxide reaction by DSC as follows [23]:
Autocatalytic effects of IGC:MDA and IGC:DMA are apparent when comparing differences in one-hour degree of cure.