Rubber and Poly Vinyl Chloride Foams

Zinc diethyl dithiocarbamate Zinc salt of mercaptobenzothiazole Reaction product of ethyl chloride, formaldehyde, and ammonia (Trimene Base) 

Source Stern, H. J., Rubber Natural and Synthetic, Palmerton, New York, 450,1967. 

Although polyCvinyl chloride) foams cannot be made as inexpensively as those from rubber or urethanes, their mechanical properties can sometimes be of value. 

BIOS Final Report 1150, 23 German Patent 871,835 German Plastics Practice, DeBell-Richardson p. 456 (1946) German Patent 899, 414 US Patent 2,299,593 

Source Lasman, H. R. Mod. Plast. 45(1A, Encycl. Issue) 368 (September 1967). 70% active. 

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