POLYURETHANE/UREA MATERIALS

The present disclosure provides soft block copolymer segments of Formula 1 for thermoplastic polyurethane or polyurethaneurea elastomer materials and their reaction products with divalent compounds, such as diisocyanates, chain extenders and optional additional polyols or polyamines. Also disclosed...

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Bibliographic Details
Main Authors GUNATILLAKE, Pathiraja Arachchillage, BOWN, Mark, ADHIKARI, Raju
Format Patent
LanguageEnglish
Published 30.05.2018
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:The present disclosure provides soft block copolymer segments of Formula 1 for thermoplastic polyurethane or polyurethaneurea elastomer materials and their reaction products with divalent compounds, such as diisocyanates, chain extenders and optional additional polyols or polyamines. Also disclosed herein are methods for the production of the soft block copolymer segments, and possible applications of these materials in the formation of biomaterials for articles including medical devices such as implants, heart valves and drug delivery devices.
Bibliography:Application Number: SG2018113317U