By B. G. Willoughby
This booklet examines the categories of chemical compounds present in the polymer and the aptitude risks. It is going directly to clarify the typical chemical reactions of shock to healthiness and defense. tracking equipment are defined in a few element including their boundaries. this is often basically a pragmatic booklet giving a history to the chemistry of the polymer and chemical tracking tools.
desk of Contents
1. What to appear for - What′s There before everything
2. What to seem for - What′s Created in the course of Processing
three. Air tracking options
four. oblique equipment - Trapping Species from Air
five. oblique equipment - Laboratory research
6. oblique tools - facts research
7. Direct tools
Abbreviations and Acronyms
CAS quantity Index
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Extra resources for Air Monitoring in the Rubber and Plastics Industries
NO + organic peroxide → NO2 The consequence is that any organic molecule which contains hydrogen has the potential to raise the ground level ozone concentration by promoting NO2 formation at the expense of NO. , in this case not a polymer) and present in the outside air where there is sunlight. ) have this potential: not surprisingly their emissions are of concern, and these are monitored collectively as volatile organic compounds (VOCs). Ozone is a powerful oxidising agent (much more powerful than oxygen) which can directly attack cell membranes.
Examples include: • cleaning or surface freshening with solvent-based systems • dipping, spreading or proofing • painting or spraying • operations in ovens or high-speed mixers • calendering and film extrusion. ), with particular emphasis on the ‘intimacy’ of such handling by the operative concerned. Operations which involve close or extended contact are prime candidates for vapour exposure. Further Reading Control of Solvents in the Rubber Industry – a revised COSHH guide, Rubber Industry Advisory Committee, HSE Books, 1997.
Ozone is a powerful oxidising agent (much more powerful than oxygen) which can directly attack cell membranes. The primary target is the respiratory tract, and the effects of ozone exposure range from nose and throat irritation to pulmonary oedema. Whilst there is some indication that the effects of initial exposures are cumulative, there is also evidence of adaptation suggesting that a certain level of cell damage may serve to inhibit further action. 16 2,2′,4,4′-Tetrachlorobiphenyl, CAS: 2437-79-8 2,2′,4,4′-Tetrachlorobiphenyl falls into the class of polychlorinated biphenyls (PCBs).