Specialty Plasticizers for Rubber/Elastomers Mexico

  • Specialty Plasticizers for Rubber/Elastomers Mexico
  • Specialty Plasticizers for Rubber/Elastomers Mexico
  • Specialty Plasticizers for Rubber/Elastomers Mexico
  • Are plasticizers and elastomers compatible?
  • The compatibility of plasticizers and elastomers is important. They need to have similar polarities. The Plasticizer/Polymer Polarity Chart on page 22 graphically shows the relationship between compatibility and polarity for esters and elastomers.
  • What is natural rubber elastomer?
  • Natural rubber, like most common rubber elastomers, uses the full complement of rubber additives. Styrene-butadiene rubber (SBR) is polymerized by two basic methods, emulsion and solution. SBR usually contains 29 percent styrene randomly dispersed with butadiene in the polymer chains.
  • How do I Choose an ester plasticizer?
  • When choosing an ester plasticizer, consider the specific elastomer being used and its properties. Compatibility between the plasticizer and elastomer is crucial, based on having similar polarities.
  • Are standard polymeric elastomers suitable for low temperature performance?
  • Standard polymeric esters are well known for their permanence in these elastomers, but are insufficient at im-proving low temperature performance. The esters tested in this study are lower molecular weight esters that have high heat resistance, but provide much needed low temperature flexibility, both before and after high heat-aging.
  • What are acrylic elastomers?
  • There are two well-known groups of acrylic elastomers: Acrylic Co-Monomer (ACM) and Acrylic-Ethylene Monomer (AEM) elastomers.2 Both have saturated aliphatic backbones synthesized via free-radical copolymerization processes. While ACM elastomers are “all-acrylic” copolymers, the AEM elastomers also contain ethylene monomer in their struc-ture.
  • What are the elastomer requirements?
  • The elastomer requires antioxidants, anti-ozonants, fungicides, plasticizers, tackifiers and flame-retardants as the occasion and severity of the application demands. It can be cured with sulfur or peroxide systems. High ACN polymers require high polarity plasticizers, low ACN polymers require low polarity plasticizers.

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