Zinc peroxide (Molecular Formula: ZnO2. CAS Number: 1314-22-3) is an odorless white or yellowish solid peroxide produced by adding zinc oxide or hydroxide to a solution of hydrogen peroxide. Zinc peroxide is a temperature stable solid. It is insoluble in water, and dissolves in acids, forming hydrogen peroxide. It decomposes at 150°C and release oxygen.
Zinc peroxide compound is used in the blowing composition in preparing a foamed product of high-melting synthetic resin such as polyamides, polyolefins, polyesters, polycarbonates, ABS resins, polysulfones, etc. Zinc peroxide is a preferred accelerator in the vulcanisation of polysulphide rubber in order to produce oil and aging resistant rubberwares like sealants, tubes, rollings, etc. Zinc peroxide may be applied in accelerated vulcanisation of nitril-carboxyl rubber to produce an attrition resistant rubber. The zinc peroxide compound is used as a curing agent in carboxylated NBR, it has the advantage of improved scorch resistance and storage stability of the uncured rubber compounds. Zinc peroxide may function as an oxidant and oxygen donor in compositions or mixtures containing explosive materials. Zinc peroxide can be formulated into well drilling and servicing fluid compositions which deposit an easily removable filter cake.
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