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  • Nitrosamine Safe Thiuram Disulfide Paper Is Published In Rubber Chemistry and Technology Journal

“Nitrosamine Safe” Thiuram Disulfide paper is published in Rubber Chemistry and Technology Journal

Robac Technology has published details of a newly developed “Nitrosamine Safe” thiuram disulfide, tetraisononylthiuramdisulfide (TINTD).

Title: “NITROSAMINE SAFE” THIURAM DISULFIDE
Abstract
An investigation into the technological performance of a new nitrosamine safe thiuram disulfide, tetraisononylthiuramdisulfide (TINTD), in natural rubber was undertaken. Initially, TINTD was synthesized from di(3,5,5-trimethylhexyl)amine. It was then demonstrated to function as a sulfur donor, a primary accelerator, and as a secondary accelerator when combined with sulfenamides. These investigations found that the long-branched alkyl chain on the nitrogen of TINTD and of its vulcanization breakdown product zinc diisononyldithiocarbamate (ZDNC) makes both chemical species very soluble in the elastomer. This high solubility of TINTD and ZDNC in the rubber makes TINTD highly attractive for use in soluble efficient vulcanization systems. In addition, the nature of the long-branched alkyl chain means that the formation of carcinogenic N-nitrosamine is difficult, and if formed, it is toxicologically much less hazardous in terms of both acute toxicity and metabolic activity. Thus, concerns of accelerator toxicity, irritant dermatitis from thiuram and dithiocarbamate, and type IV allergy may be reduced or totally eliminated. The curing efficiency of various thiuram disulfides was also investigated as a function of alkyl chain length and the degree of chain branching. The cure performance was found to be determined by both chain length and chain branching.

About Robac Technology
We are renowned worldwide for our speciality products for rubber vulcanisation, low temperature curing and ultra-accelerators. Robac Technology products provide solutions for heightened regulatory demands in terms of health, safety and environmental matters. Click here for more information.

This new product, TINTD, has been specifically developed to replace traditional accelerators that produce carcinogenic N-nitrosamines during the vulcanisation process. Contact us today to learn more about TINTD.

"We are a member of the British Rubber & Polyurethane Products Association and British Footwear Association"

 

Robinson Brothers Limited | West Midlands | B70 0AH UK
E: [email protected]
T: +44 (0)121 553 2451
External link: https://www.robinsonbrothers.uk/robac-technology/published-papers/-nitrosamine-safe-thiuram-disulfide
External link: https://doi.org/10.5254/rct.18.82617
Article Citation: Ranvir Virdi, Boyd Grover, and Kiruan Ghuman (2019) “NITROSAMINE SAFE” THIURAM DISULFIDE. Rubber Chemistry and Technology: January-March 2019, Vol. 92, No. 1, pp. 90-109.

“Nitrosamine Safe” Thiuram Disulfide paper is published in Rubber Chemistry and Technology Journal

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