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PROCESS FOR EXPANDING ELASTOMERIC MATERIALS HAVING A PROCESSING TEMPERATURE OF BETWEEN 130 AND 170 DEGREES C USING AYODICARBONAMIDE PLUS ACTIVATOR AS BLOWING AGENT
PROCESS FOR EXPANDING ELASTOMERIC MATERIALS HAVING A PROCESSING TEMPERATURE OF BETWEEN 130 AND 170 DEGREES C USING AYODICARBONAMIDE PLUS ACTIVATOR AS BLOWING AGENT
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机译:以乙二酰胺加活化剂为发泡剂,使弹性材料的加工温度达到130至170℃的过程
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摘要
Foamed elastomeric compositions are produced by a process comprising the steps of (A) forming a blend comprised of (1) a foamable, curable elastomer; (2) a curative; and (3) a blowing agent composition consisting essentially of (i) azodicarbonamide and (ii) at least one member selected from the group consisting of zinc salt of C1-C6 organic acids and C1-C6 carboxamides; and (B) heating such blend to between about 130 DEG C and about 170 DEG C for a period of time sufficient to foam and cure such blend.
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