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Chloroflourocarbons
Part 1 of Paper
.... He was looking for inert, non-
toxic, non-flammable compounds with low boiling points that could be used as
refrigerants. He found what he was looking for in the form of two compounds:
dichlorodifluoromethane (CFC-12) and trichloromonoflouromethane (CFC-11). In
both compounds, different amounts of chlorine and fluo.... Part 2 of Paper
....zed can. Thus, in 1947, the spray can was born, selling millions of
cans each year. Insecticides were only the first application for CFC spray cans.
They soon employed a number of products from deodorant to hair spray. In 1954,
188 million cans were sold in the U.S. alone, and four years later, the number
jumped to 500 million. CFC filled cans were so popular that, by 1968, 2.3
billion spray cans were sold in America.
The hopes of a seemingly perfect refrigerant were diminished in the .... |
| Number of words: 1178 - Approximate pages: 5 |
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