Study on the morphology and thermomechanical properties of poly(urethane-siloxane) networks based on hyperbranched polyester

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F13%3A00424917" target="_blank" >RIV/61389013:_____/13:00424917 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.2298/HEMIND130225022P" target="_blank" >http://dx.doi.org/10.2298/HEMIND130225022P</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.2298/HEMIND130225022P" target="_blank" >10.2298/HEMIND130225022P</a>

Result language

angličtina

Original language name

Study on the morphology and thermomechanical properties of poly(urethane-siloxane) networks based on hyperbranched polyester

Original language description

Two series of polyurethane films based on hyperbranched polyester of the second pseudo-generation (Boltorn), 4,4'-methylenediphenyl diisocyanate and two different siloxane prepolymers, ?,?-dihydroxy-(ethylene oxide-poly(dimethylsiloxane)-ethylene oxide)(EO- -PDMS-EO) and ?,?-dihydroxypropyl-poly(dimethylsiloxane) (HP-PDMS), were prepared by two-step polymerization in solution. The influence of the type and content of soft segment on the morphology, thermomechanical and surface properties of the synthesized polyure-thanes was studied by atomic force microscopy (AFM), small-angle X-ray scattering (SAXS), scanning electron microscopy (SEM), dynamic mechanical thermal analysis (DMTA) and water absorption measurements. It was found that these techniques confirmed existence of microphase separated morphology. Synthesized polyurethanes exhibited two glass transition temperatures and one second relaxation process. The results showed that poly-urethanes based on HP-PDMS had higher surface roug

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CD - Macromolecular chemistry

OECD FORD branch

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Project

<a href="/en/project/GAP108%2F10%2F0195" target="_blank" >GAP108/10/0195: Novel multicomponent polyurethanes ? synthesis, characterization</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Hemijska industrija

ISSN

0367-598X

e-ISSN

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Volume of the periodical

67

Issue of the periodical within the volume

6

Country of publishing house

RS - THE REPUBLIC OF SERBIA

Number of pages

9

Pages from-to

871-879

UT code for WoS article

000329540700002

EID of the result in the Scopus database

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