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Post polymerization cure shape memory polymers

Patent ·
OSTI ID:1600347
; ;
This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
10,494,470
Application Number:
15/387,256
OSTI ID:
1600347
Country of Publication:
United States
Language:
English

References (6)

Synthesis and characterization of photocrosslinked poly(ε-caprolactone)s showing shape-memory properties journal May 2009
Post-polymerization crosslinked polyurethane shape memory polymers journal February 2011
Shape memory polymers based on uniform aliphatic urethane networks journal January 2007
Photocurable biodegradable poly(ɛ-caprolactone)/poly(ethylene glycol) multiblock copolymers showing shape-memory properties journal October 2005
Synthesis and properties of photocurable biodegradable multiblock copolymers based on poly(ε-caprolactone) and poly(L-lactide) segments journal January 2005
Synthesis and shape memory effects of Si–O–Si cross-linked hybrid polyurethanes journal January 2006

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Related Subjects

36 MATERIALS SCIENCE