Autoxidation of Chloroprene

Bailey, H. C.

doi:10.1021/ba-1968-0075.ch011

Cited by 8 publications

(2 citation statements)

References 8 publications

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“…The polyperoxides formed range in molecular weight up to 5000. The autoxidation of chloroprene is faster than autoxidation of dimers so the main products of oxidation are polyperoxides (10). Therefore, in the manufacture of polychloroprene, ,8-chloroprene is freshly distilled under vacuum and is stored at -10°C under nitrogen before use.…”

Section: 4-dcb Is Being Studied In a 90-day Inhalation Study In Ratmentioning

confidence: 99%

Toxicity of Chloroprene, 1,3-Dichlorobutene-2, and 1,4-Dichlorobutene-2

Clary¹

1977

Environmental Health Perspectives

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. The National Institute of Environmental Health Sciences (NIEHS) andBrogan & Partners are collaborating with JSTOR to digitize, preserve and extend access to Environmental Health Perspectives. U. S. Presented in the review is a summary of the acute toxicib including mutagen testing, skin, eye, and inhalation testing of these compounds. In addition, subacute inhalation testing, embryotoxicib, teratogenicity, and carcinogenicib are also reviewed where the information is available.

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Section: 4-dcb Is Being Studied In a 90-day Inhalation Study In Ratmentioning

confidence: 99%

Toxicity of Chloroprene, 1,3-Dichlorobutene-2, and 1,4-Dichlorobutene-2

Clary¹

1977

Environmental Health Perspectives

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“…The polyperoxides formed range in molecular weight up to 5000. The autoxidation of chloroprene is faster than autoxidation of dimers, so the main products of oxidation are polyperoxides (10). Therefore, in the manufacture of polychloroprene, /3-chloroprene is freshly distilled under vacuum and is stored at -10°C under nitrogen before use.…”

mentioning

confidence: 99%

Toxicity of chloroprene, 1,3-dichlorobutene-2, and 1,4-dichlorobutene-2.

Clary¹

1977

Environ Health Perspect

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A review of the toxicity of 1,3-dichlorobutene-2 (1,3-DCB), 1,4-dichlorobutene-2 (1,4-dcb), and 2-chlorobutadiene, 1,3 (beta-chloroprene) was undertaken with an emphasis on assessing the hazards of these materials in the industrial situation. 1,3-DCB is a by-product of beta-chloroprene from the acetylene route, with 1,4-DCB is an intermediate in the production of beta-chloroprene from the butadiene route, the production route used in the U.S. Presented in the review is a summary of the acute toxicity including mutagen testing, skin, eye, and inhalation testing of these compounds. In addition, subacute inhalation testing, embryotoxicity, teratogenicity, and carcinogenicity are also reviewed where the information is available.

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Initiated oxidation of polyenes formed in the thermal degradation of PVC

Nagy

Kelen

Turcsányi

et al. 1977

J. Polym. Sci. Polym. Chem. Ed.

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Polyenes formed in the thermal degradation of PVC are readily oxidized in the liquid phase in the presence of a radical initiator. In pure oxygen at a constant rate of initiation, different length polyenes are consumed by a first‐order reaction: the rate of consumption is proportional to the polyene length and to the square root of initiator concentration. Applying the relationships given by the theory of chain reactions, we determined the ratio of the rate constant of chain propagation calculated for one double bond k2 to the square root of the chain‐termination rate constant k4. The value obtained, which is relatively high in comparison to other unsaturated hydrocarbons, reflects very well the high reactivity of polyenes of the degraded PVC sample towards oxidation. Intramolecular chain propagation steps are also likely to play a role in the oxidation of polyenes.

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Autoxidation of Chloroprene

Cited by 8 publications

References 8 publications

Toxicity of Chloroprene, 1,3-Dichlorobutene-2, and 1,4-Dichlorobutene-2

Toxicity of Chloroprene, 1,3-Dichlorobutene-2, and 1,4-Dichlorobutene-2

Toxicity of chloroprene, 1,3-dichlorobutene-2, and 1,4-dichlorobutene-2.

Initiated oxidation of polyenes formed in the thermal degradation of PVC

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