PROPERTIES OF POLY(p‐DIOXANONE‐URETHANE) COPOLYMERS WITH CONTROLLABLE STRUCTURES
Source abstract
Abstract
A series of poly(p‐dioxanone‐urethane) (PPDO‐PU) copolymers were produced by chain extending reaction of poly(p‐dioxanone) (PPDO) diol with 1,6‐hexamethylene diisocyanate (HDI) and toluene‐2,4‐diisocyanate (TDI). The chain structure of the copolymers can be easily controlled by varying the molecular weight of PPDO diol and the structure of diisocyanate. Several instruments such as DSC, POM, TG, and Capillary Rheometer have been employed to investigate the structure–properties relationship of PPDO‐PU copolymers. The results show that varying the structure and the content of chain extenders will influence the crystallization behavior, thermal stability, mechanical performance, and rheological behavior of the products significantly. The insertion of urethane groups into PPDO polymer chains enhances the mechanical performance of the copolymers.
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Research context
OpenAlex topics: Polymer composites and self-healing · Polymer Nanocomposites and Properties · biodegradable polymer synthesis and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
a Center for Degradable and Flame‐Retardant Polymeric Materials (ERCEPM‐MoE), College of Chemistry, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China and Chemistry and Chemical Engineering Department , Mianyang Normal University , Mianyang, China
b Center for Degradable and Flame‐Retardant Polymeric Materials (ERCEPM‐MoE), College of Chemistry, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu, China
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