dehydrochlorination


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dehydrochlorination

[dē‚hī·drō‚klȯr·ə′nā·shən]
(biochemistry)
Removal of hydrogen and chlorine or hydrogen chloride from a compound.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Effect of Ba and Cd butyrates, 2-ethylhexoates, laurates and stearates on the dehydrochlorination of PVC, Eur.
There are special cases such as dehydrochlorination leading to the discoloration and embrittlement of poly(vinyl chloride) and photo-Fries reactions contributing to the degradation of polycarbonates.
The first stage degradation, which occurred in the range of 235-340 degC were due to dehydrochlorination during the thermal degradation of PVC [16].
These cross-linking agents accelerated PVC dehydrochlorination, which made the PVC lose the performances used as plastic.
gambiae, an important African malarial vector, the increased rate of DDT dehydrochlorination in the resistant vector strain was associated with quantitative increase of GST enzymes that included Delta and Epsilon classes (13).
Apart from this, hydrogenolysis and dehydrochlorination reactions also occur.
For example, poly (vinyl chloride) also undergoes dehydrochlorination when exposed to UV (Denizligil and Schnabel 2003, Kaczmarek 2009 and Rabek 1996) as shown in Figure 2.
This is especially true for both rigid and plasticized PVC, where many pigments are incompatible with the high acidity caused by PVC's gradual dehydrochlorination outdoors.
p,p'-DDT is metabolized to p,p'-DDD and p,p'-DDE by reductive dechlorination and dehydrochlorination, respectively (Esaac and Matsumura 1980; Kitamura et al.
The thermo gravimetric analyzer (TGA) thermograms of a and AY blends system showed that there is two stage thermal degradation, the first stage degradation of PMMA/PVC is due to dehydrochlorination of PVC.
The first degradation step, which is at the temperature up to about 369T, presents the process of dehydrochlorination and the formation of polyenes caused by PVC and CPE (33).
There are various other examples of metabolic activation to an estrogen, besides that of trans-stilbene, p,p'-DDT is metabolized to p,p'-DDD and p,p'-DDE (p,p'-dichlorodiphenyldichloroethylene) by reductive dechlorination and dehydrochlorination, respectively (Esaac and Matsumura 1980; Kitamura et al.