| prov:value
| - It is preferred to use the type of radical formers which are suitable for reaction temperatures of from 60???to 180??? C., e.g. organic peroxides such as dibenzoyl peroxide, di-tert.-butyl peroxide, dilauryl peroxide, tert.-butyl-peroxy-2-ethylhexanoate, tert.-butyl-peroxy maleate, tert.-butyl-peroxy benzoate, dicumyl peroxide, and didecanoyl peroxide or azo compounds such as 2,2'-azo-bis-(2,4-dim
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