Adding to its sustainability portfolio, Total Cray Valley is expanding its hydroxyl-terminated diene resin portfolio with the industrial introduction of sustainably sourced farnesene-based resins, Krasol F3000 and Krasol F3100.

The Krasol product line is a source of well-defined hydroxyl-terminated liquid poly(butadiene) diol and monol grades. These materials are used in a variety of end-use applications as components in urethane, epoxy and UV-cured adhesive and sealant formulations for the automotive and electronic markets. The diene backbone incorporates hydrophobic quality and chemical resistance, as well as elastomeric softness and low-temperature performance.

The introduction of farnesene as a new monomer complements these qualities while reducing the viscosity of the products, due to the unique “bottlebrush” backbone structure of the poly(farnesene) resin.

Krasol F3000 (and Krasol F3100, the fully hydrogenated grade) are linear diols with near quantitative hydroxyl termination. Based on Amyris sustainable BioFene monomer, the feedstock is 100% renewable carbon sourced.

“At the end of the day, we are able to produce value not just through sustainable sourcing of the feedstock, but by differentiating the product from other polymeric diols through unique structure/property relationships,” says Steve Henning, Total Cray Valley’s innovation manager.

The Krasol poly(farnesene) grades are now globally available in industrial quantities supplied by Total Cray Valley’s liquid poly(diene) plant in the Czech Republic. 

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