TREATMENT OF NATURAL RUBBER

摘要

1472064 Treating natural rubber MALAYSIA RUBBER RESEARCH INSTITUTE BOARD OF 7 June 1974 [8 June 1973] 27534/73 Headings C3E and C3Q Fresh natural rubber is treated to reduce storage hardening by mixing with the rubber one or more organic acid hydrazides containing a single group Examples are given in which naphthenic acid hydrazide or 2-ethylhexanoic acid hydrazide is added to deproteinized rubber, to field latex or to ammoniated latex.