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In polyurethane applications, Susterra® can
be used as a polyol building block or as
Susterra® reacts with MDI to yield linear urethane domains with low melt energies at room temperature in thermoplastic urethane elastomers. An example of the use of polyester adipates manufactured with Susterra® is their formulation into cast urethane elastomers to replace 1,4-butanediol (BDO) adipates. Materials with comparable shore a hardness showed improved pot life, and abrasion resistance upon replacing BDO with Susterra®, satisfying desired mechanical properties.
Susterra® adipates can also successfully replace the mixed BDO/EG adipates in solvent borne polyurethane systems. Adipates made with Susterra® crystallize slowly at room temperature. Mixed Susterra®/EG polyester adipates are liquids at room temperature. Improved handling, clear or transparent polyurethanes, and polyurethanes with improved low temperature properties are expected to result from mixed glycol Susterra® based adipates.
Susterra® propanediol can be used in urethanes for coatings, adhesives, sealants, and (microcellular) elastomers (CASE), thermoplastic polyurethanes, and aqueous polyurethane dispersions. Uses in downstream markets include footwear, and wheels and casters.