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Various types of polyurethanes in the process of Chemical Recycling

Title:
Various types of polyurethanes in the process of Chemical Recycling
Authors:
Abstract:
Increasing raw material costs and more stringent regulations have led to more pressure to develop customer-oriented recycling processes for polyurethanes. Furthermore, waste disposal runs into increasing costs for the producers while old methods of disposal are prohibited legally, both in the US and Europe. One way to solve this problem is to develop a well-suited process and plant for a customer specialised procedure to re-use the waste material obtained for each type of polyurethane product. Based on the previously described simultaneous glycolysis and aminolysis of polyurethanes in this paper, we will report on first results on larger scale recycling of some polyurethane products. While we were initially focused on the use of the recycling products (recycling polyols) to produce new types of polyurethanes, e. g. from cold moulded foams sealants or coatings, the philosophy had to be changed to use the recycling polyols as much as possible to produce the same materials as originally. This route was consequently developed further to other polyurethane products and the incorporation of the recycling polyols into original premixes to be reacted with isocyanates.
Year:
2015
Publication type:
Journal article
Journal:
Wissenschaftliche Beiträge 2015
ISSN:
0949-8214
Volume:
19
Pages:
45-53
Language:
English
Document status:
Open access
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/878
Beckmann, S., & Herzog, M. (2015). Various types of polyurethanes in the process of Chemical Recycling Wissenschaftliche Beiträge 2015. 19, 45-53.
@article{878,
    author           = {Beckmann, Silke and Herzog, Michael},
    title            = {Various types of polyurethanes in the process of Chemical Recycling},
    journal          = {Wissenschaftliche Beiträge 2015},
    year             = {2015},
    volume           = {19},
    pages            = {45-53},
    publisher        = {Technische Hochschule Wildau},
    doi              = {http://dx.doi.org/10.15771/0949-8214_2015_1_6},
    url              = {http://www.th-wildau.de/fileadmin/dokumente/forschung_transfer/dokumente_offen/wissbeitraege/WB_2015.pdf},
}


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