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Saret® and crosslinking coagents

Product range

Sartomer offers a number of liquid acrylic coagents with varying functionalities for use in peroxide curing of elastomers. Peroxide curing of elastomers is an alternative to sulfur vulcanization that offers superior heat-aged performance. Curing with peroxide alone, however, is inferior to sulfur vulcanization in areas such as wear resistance and dynamic properties.

Key benefits

The addition of crosslinking coagents with the peroxide overcomes these deficiencies, while maintaining the improvement in heat-aged performance. With appropriate coagent selection, improvements in final properties can be realized, including:

  • Scorch protection
  • Low compression set
  • Temperature stability
  • High elongation
  • High modulus
  • Wide hardness range
  • Modulus/compression set
  • Low mooney viscosity
  • High tensile strength
  • Good hot tear strength


Saret® coagents are available as proprietary mixtures with radical-scavenging retarders that provide prolonged scorch safety, while maintaining cure rate and increasing crosslink density. These products are compatible with a variety of elastomers, including EPDM, NBR, CPE, PE, etc.

 

Product codeChemical nameFunctionalityProduct description
Saret SR519 HP High Performance Trifunctional Coagent Trifunctional Saret SR519HP coagent is a trifunctional, low color, low odor, low staining, scorch retarding coagent that contains non-nitroso inhibitor packages.  When incorporated into peroxide cure natural and synthetic rubber systems, the product improves mechanical and performance properties.
SR297 F NS 1,3-Butylene Glycol Dimethacrylate Difunctional SR297 F NS, 1,3-butylene glycol dimethacrylate, is a difunctional monomer offering good stain resistance and solvency.
SR517 NS Crosslinking Agent (Trifunctional) Trifunctional SR517 NS coagent is a trifunctional, low color,low staining, scorch retarding aid which contains non-nitroso inhibitor packages. When incorporated into peroxide cure natural and synthetic rubber systems, the product improves mechanical and performance properties.

Geographic availability

Asia-Pacific
Oceania

Markets

  • Automotive and transportation
    • Elastomers
  • Chemical and plastics industry
    • Rubber manufacturing

Applications

  • Belts
  • Hoses
 
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