Results 11 to 20 of about 90,256 (356)
Synthesis of bio-based thermoplastic polyurethane elastomers containing isosorbide and polycarbonate diol and their biocompatible properties. [PDF]
A new family of highly elastic polyurethanes (PUs) partially based on renewable isosorbide were prepared by reacting hexamethylene diisocyanate with a various ratios of isosorbide and polycarbonate diol 2000 (PCD) via a one-step bulk condensation ...
Gong, MS, Kang, MS, Knowles, JC, Oh, SY
core +1 more source
Asymmetrically Substituted s‐Triazine Phosphonates by One‐Step Synthesis
Asymmetrically substituted s‐triazine phosphonates with up to three different phosphonate groups C3N3RR'R” with R, R’, R”=PO(OR”’) and R”’=for example, methyl, ethyl, isopropyl or n‐butyl are interesting as polymer additives like flame retardants ...
Claudia Vogt +5 more
doaj +1 more source
Attachment of inorganic moieties onto aliphatic polyurethanes
Polyurethanes have been used in a series of applications due basically to their versatility in terms of controlling the behavior by altering basically the type of reagents used.
Eliane Ayres +2 more
doaj +1 more source
Sustained Release Drug Delivery Applications of Polyurethanes
Since their introduction over 50 years ago, polyurethanes have been applied to nearly every industry. This review describes applications of polyurethanes to the development of modified release drug delivery.
Michael B. Lowinger +3 more
doaj +1 more source
Effect of Glycerol in Soft and Hard Segments on Properties of Shape Memory Polyurethane [PDF]
Hypothesis: Chemical cross-linked shape memory polyurethanes (CSMPUs) can have various applications in different fields such as medicine, where mechanical behavior and shape memory are improved in these samples compared to linear shape memory ...
Mahdi Sakhavi +3 more
doaj +1 more source
Deterioration rate of renewable polyurethanes composites prior to ultra violet irradiation exposure [PDF]
Polyurethanes (PU's) made from renewable and sustainable materials are one of the most important groups of polymers because of their versatility with wide range of grades, densities and stiffness.
Abdullah, Nur Munirah +1 more
core +1 more source
Two series of rigid polyurethane-polyisocyanurate foams (RPU/PIR) modified by cinnamon extract (series C_0t and CU_0t) were obtained. One RPU/PIR series contained a commercial flame retardant (C_0t) in the formulation.
Joanna Liszkowska +5 more
doaj +1 more source
Rheological and Mechanical Gradient Properties of Polyurethane Elastomers for 3D-Printing with Reactive Additives [PDF]
Polyurethane (PU) elastomers with their broad range of strength and elasticity are ideal materials for additive manufacturing of shapes with gradients of mechanical properties.
Auhl, Dietmar +4 more
core +1 more source
We report the dynamic behavior of diselenide-containing hydrophilic polyurethanes and hydrogels based on diselenide exchange reactions in an aqueous media.
Hao Xu +6 more
doaj +1 more source
POLYURETHANE COMPOSITES AS DRUG CARRIERS:: RELEASE PATTERNS [PDF]
Biodegradable polyurethanes attract interest of those developing composite materials for biomedical applications. One of their features is their ability to serve as carriers, or matrixes, for medicines and other bioactive compounds to produce a ...
M. V. Grigoreva
doaj +1 more source

