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New Synthesis Route for PHD Polyols

Title:
New Synthesis Route for PHD Polyols
Abstract:
The synthesis of polyurea dispersion polyols (PHD) was developed using a new route via depolymerization of polyurethane polyureas by a mixture of at least two glycols in the pres ence of a consumable catalyst, i. e. a secondary aliphatic amine. On this way such polyols were produced with a particle size distribution with a maximum in the 120 to 400 nanometer region with hydroxyl numbers of 180 to 300 mg KOH/g being optically clear and highly reac tive. The exact adjustment of the ethylene oxide content of the reaction mixture together with that of the polyether polyol originally present in the polyurethane polyurea used in a pre determined range of surface tension as well as specifi c reaction conditions leads to these polyols which will give in turn polyurethanes with exceptional properties.
Year:
2011
Publication type:
Journal article
Journal:
Wissenschaftliche Beiträge 2011
ISSN:
0949-8214
Volume:
15
Pages:
67-72
Language:
English
Document status:
Open access
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/514
Peshkov, V., Evtimova, R., Herzog, M., & Behrendt, G. (2011). New Synthesis Route for PHD Polyols Wissenschaftliche Beiträge 2011. 15, 67-72.
@article{514,
    author           = {Peshkov, Vladimir and Evtimova, Rozeta and Herzog, Michael and Behrendt, Gerhard},
    title            = {New Synthesis Route for PHD Polyols},
    journal          = {Wissenschaftliche Beiträge 2011},
    year             = {2011},
    volume           = {15},
    pages            = {67-72},
    doi              = {http://dx.doi.org/10.15771/0949-8214_2011_1_9},
    url              = {http://www.th-wildau.de/fileadmin/dokumente/forschung_transfer/dokumente/WB_2011.pdf},
}


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