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efficient environmental protection vulcanizing agent,rubber auxiliary, DMTD dimercaptothiodiazole vulcanizing, CPE chlorinated polyethylene crosslinki

  • CAS No.: 51988-14-8
  • Purity: 99.5% mix
  • Min quantity: 15 Metric Tons
  • Price: USD 20500~21000/Metric Tons
  • Place of Orign: Yantai,Shandong,China
Ms.Diana Ma

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Item specifics

  • Product Name.:efficient environmental protection vulcanizing agent,rubber auxiliary, DMTD dimercaptothiodiazole vulcanizing, CPE chlorinated polyethylene crosslinki
  • CAS No: 51988-14-8
  • Weight: 254.35174
  • Formula: C9H6N2OS3
  • Boiling Point: 393.3°Cat760mmHg
  • Density: 1.54g/cm3

Details

Name ACTOR-TDDS(the same as ECH.../TDD)
CAS NO. 51988-14-8

specification "A vulcanizing agent is designed for use with halogenated elastomers such as chlorinated
polyethylene (CPE). It is supplied as an off-white powder with a specific gravity of 1.46. ACTOR-TDDS is a
blend of esters of 2,5-dimercapto-1,3,4-thiadiazole.
In general, CPE compounds exhibit good resistance to oil, heat, and ozone. The appropriate choice of
vulcanization system and formulating ingredients is the key to the ultimate performance and cost
effectiveness of CPE compounds. Peroxides have commonly been used as the cross-linker for CPE in
applications requiring optimum compression set and heat resistance. For less stringent applications, the
use of ACTOR-TDDS allows for a more highly-extended, lower-cost compound than is possible with peroxides.
The resultant vulcanizates cured with ACTOR-TDDS are high-performance compounds with heat resistance only
slightly less than that obtained by peroxide cures.
advantages - Single pass mixing.
- No bloom or surface stains.
- Cure rate that can be accelerated.
- Cures not inhibited by oxygen.
- Lead-free compounds.
- Low compound cost."
function "ACTOR-TDDS functions as a di-nucleophile, vulcanizing any elastomer containing replaceable halogen atoms.
Because of this, many inexpensive fillers, oils, and plasticizers can be used with ACTOR-TDDS. The cure
mechanism of ACTOR-TDDS involves hydrolysis of the thioester bonds within ACTOR-TDDS to form a
dimercaptide intermediate. This di-nucleophilic species then displaces halogens on the elastomer
backbone to become a cross-link.
ACTOR-TDDS should be used in conjunction with an amine accelerator and a basic metal oxide acid
acceptor/cure activator. "The cure rate can be increased by increasing the level of the amine accelerator or
of the metal oxide; however, this often results in reduced heat-aging performance.
efficient environmental protection vulcanizing agent,rubber auxiliary, DMTD dimercaptothiodiazole vulcanizing, CPE chlorinated polyethylene crosslinki

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