1989
DOI: 10.1016/0014-3057(89)90156-0
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Mechanism of photochemical dehydrochlorination of poly(vinyl chloride)

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Cited by 13 publications
(7 citation statements)
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“…Zhuravlev and Ivanov 43 proposed the following equation for estimation of the formation rate of polyenes: [5.7] where: α n polyene length factor, w 0 initiation rate, k I double bond formation rate, k l rate of formation of stable products from alkyl radical (end of growth for this site), k l,I rate of formation of stable products from polyene radical (end of growth for this site), k eff rate of polyene propagation.…”
Section: Propagationmentioning
confidence: 99%
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“…Zhuravlev and Ivanov 43 proposed the following equation for estimation of the formation rate of polyenes: [5.7] where: α n polyene length factor, w 0 initiation rate, k I double bond formation rate, k l rate of formation of stable products from alkyl radical (end of growth for this site), k l,I rate of formation of stable products from polyene radical (end of growth for this site), k eff rate of polyene propagation.…”
Section: Propagationmentioning
confidence: 99%
“…Photodegradation studies at 257 nm (radiation not available in sunlight) show that 96% of radiation is absorbed by plasticizer and only 4% by PVC. 43 Products of plasticizer degradation contribute to discoloration ( Figure 5.34). 22,88 These two observations show that plasticizers screen a substantial part of radiation by which they prevent PVC degradation.…”
Section: Plasticizersmentioning
confidence: 99%
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“…При облучении ПВХ, как и при воздействии высоких температур, наблюдается образование ПСС и обусловленное этим окрашивание материала [2,3]. Для окрашенных и стабилизированных композиций характерно наличие индукционных периодов, величина которых определяется эффективностью стабилизаторов, а также устойчивостью и каталитической активностью пигментов и красителей (рис.…”
Section: деструкция при интенсивном световом воздействииunclassified
“…Образование ПСС и связанное с этим изменение окраски наиболее ярко проявляется в процессах термо-и фотодеструкции поливинилхлорида (ПВХ) [1][2][3] и полифениленсульфида [4,5]. Поэтому в данной работе с использованием опубликованных нами ранее [6][7][8][9][10] и новых экспериментальных данных рассмотрены общие закономерности и особенности деструкции именно этих полимеров.…”
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