Selecting peroxides for crosslinking

Last update on May 27, 2002

The following polymers can be cured with peroxides:

- EP(D)M, natural and synthetic polyisoprene (NR, IR), polybutadiene (BR), SBR, EVA.
- Polyethylene (PE) and TPE as SBS, SIS.
- Nitrile (NBR), hydrogenated nitrile (HNBR), chlorinated polyethylene (CM or CPE), chloroprene (CR), polyurethane (PUR), chlorosulfonated polyethylene (CSM), polyacrylate (ACM), silicone.

The following polymers cannot be cured with peroxides:

- Butyl (IIR), chlorobutyl (CIIR), polyisobutylene, epichlorhydrin (CO).
- Polypropylene (PP).

1. Peroxide curing: Why or why not?

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2. The main criteria for the peroxide choice

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3. Safety

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4. The adequacy of the decomposition temperatures of the peroxides and the process temperatures

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5. The efficiency of the peroxides

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6. The effects of the other ingredients

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References

 

  1. P.R. DLUZNESKI, RCT, 74, 3 July-August 2001, p.451
  2. J.P. WAKKER and Al., Meeting of the Rubber Division, ACS, Oct. 2000, paper n 76
  3. J. KELLGREN and Al., Meeting of the Rubber Division, ACS, Oct. 2000, paper n° 97
  4. L.H. PALYS, and Al., Meeting of the Rubber Division, ACS, May 1998, paper n° 2