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Initiators for plastics manufacture
Organic peroxides for crosslinking of rubber and polyolefines
Catalysts, accelerators and other additives for curing unsaturated polyester, vinylester and acrylic resins
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Unsaturated polyester, vinylester and acrylic resins are cured by free radicals which are built when organic peroxides decompose. Organic peroxides decompose into free radicals either by exposure to heat or combined with appropriate accelerators.
Typical accelerators used for curing unsaturated polyester resins are organic cobalt salts and tertiary amines. However, these accelerators activate only certain types of organic peroxides.
Contrary to this activation, if for example inhibition is required to increase storage life of an activated resin, the use of so called inhibitors is recommended. Inhibitors are chemical compounds, which prevent the polymerization process of monomers or other reactive compounds. Suitable compounds are Quinones or Phenolic compounds.
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