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New Castor Oil Segmented Thermoplastic Polyurethane with Controlled Mechanical Properties

Posted on June 9, 2016 by Gayathri

Researchers from Finland have found a method to produce novel castor oil segmented thermoplastic polyurethanes which have controlled mechanical properties.

Thermoplastic polyurethane (TPU) is an elastomer that is fully thermoplastic. Like all thermoplastic elastomers, TPU is elastic and melt-processable. TPU is a linear segmented block copolymer composed of hard and soft segments. The hard segment can be either aromatic or aliphatic. The soft segment can either be a polyether or polyester type, depending on the application.thermoplastic polyurethane

The new study shows that it is possible to produce thermoplastic polyurethanes using castor oil via polyaddition approach where the formation of prepolymers needs to be carried out with the addition of small amount of castor oil and excess of diisocyanate in the very first step. This is followed by the addition of the other polyols and finally a low molecular weight chain extender.

Results showed that the synthesized polyurethanes exhibited good biocompatibility and high transparency.

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This entry was posted in Castor Oil - Research, Castor oil Polymers, Castor Plastics, Castor Research and tagged Castor Oil Plastics, castor oil polyurethanes, castor oil research, Castor Polymers, Castor Research by Gayathri. Bookmark the permalink.

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