Polysulfide resins
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Polysulfide resins
Resins that vary in properties from viscous liquids to rubberlike solids. Organic polysulfide resins are prepared by the condensation of organic dihalides with a polysulfide.
Compounding and fabrication of the rubbery polymers can be handled on conventional rubber machinery. The polysulfide rubbers are distinguished by their resistance to solvents such as gasoline, and to oxygen and ozone. The polymers are relatively impermeable to gases. The products are used to form coatings which are chemically resistant and special rubber articles, such as gasoline bags. The polysulfide rubbers were among the first polymers to be used in solid-fuel compositions for rockets. See also Organosulfur compound; Polymerization; Rubber.
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McGraw-Hill Science & Technology Encyclopedia
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