1930
DOI: 10.1021/ie50245a031
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Organic Fluorides as Refrigerants1

Abstract: with buffer solutions is only partly affected by differences in structure.The low isoelectric point of fibroin (pH 2.2), although somewhat striking, is easily accounted for with a little knowledge of the structure. That the fibroin molecule contains an excess of free carboxyl groups over free amino groups has already been pointed out. Toa (5) demonstrated that fibroin was a negative colloid in aqueous solution and in an electrical field would migrate toward the anode. These observations are also confirmed by t… Show more

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Cited by 134 publications
(62 citation statements)
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“…[1][2][3][4] From as early as 1930, CFCs were primarily used as refrigerants and have played an important role in food refrigeration, air conditioning, blowing agents, and solvents. 5 However, it was not until the early 1970s that CFCs were believed to be major contributors to the seasonal ozone depletion over the Antarctic continent. [6][7][8] In 1987 several governments signed the Montreal Protocol, the first international agreement to protect the global environment, to reduce CFC production significantly by the year 1998.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4] From as early as 1930, CFCs were primarily used as refrigerants and have played an important role in food refrigeration, air conditioning, blowing agents, and solvents. 5 However, it was not until the early 1970s that CFCs were believed to be major contributors to the seasonal ozone depletion over the Antarctic continent. [6][7][8] In 1987 several governments signed the Montreal Protocol, the first international agreement to protect the global environment, to reduce CFC production significantly by the year 1998.…”
Section: Introductionmentioning
confidence: 99%
“…The first fluorocarbon was synthesized by Midgley and Henne in 1930 and was introduced as refrigerant gas to replace the more toxic sulfur dioxide and ammonia (8).…”
Section: Fluorocarbonsmentioning
confidence: 99%
“…Thus, the general performance of the vapor compression system also depends on the type of refrigerant. From the beginning of the 19th century, a variety of refrigerants has been proposed for different refrigeration machines (Midgley and Henne, 1930;Benning and McHarness, 1939; Page 4 of 48 Hendricks, 1953). The majority of them were gradually replaced by better alternatives due to their serious effects on the climate change or human safety or both.…”
Section: Introductionmentioning
confidence: 99%