Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Fernanda Rosa Vieira"'
Publikováno v:
ChemEngineering; Volume 6; Issue 6; Pages: 95
This study aimed to develop new rigid polyurethane foams (RPUFs) for thermal insulation based on kraft lignin, the main by-product of the pulp and paper industry. Crude lignin-based polyol (LBP) was obtained via the oxyalkylation of kraft lignin usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f0489d72a0b86a7f1b0ebe02292ec3f
Publikováno v:
Materials (Basel, Switzerland). 15(17)
Currently, the pulp and paper industry generates around 50–70 million tons of lignin annually, which is mainly burned for energy recovery. Lignin, being a natural aromatic polymer rich in functional hydroxyl groups, has been drawing the interest of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28cdedb3b7c2ec32c106e4004e66e5ac
https://pubmed.ncbi.nlm.nih.gov/36079563
https://pubmed.ncbi.nlm.nih.gov/36079563
Publikováno v:
Materials; Volume 15; Issue 5; Pages: 1925
Oxyalkylation with propylene carbonate (PC) is a safe process to convert lignin into a reactive liquid polyol to be used in polyurethane formulations. In this study, the effect of operating conditions of oxyalkylation (temperature, time and quantify
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ee80d0536b83fb1b1b7036e15edf4ee
Publikováno v:
Scientia Forestalis. 47
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a2647986d19465ba37b251777ac4aa0
https://doi.org/10.18671/scifor.v47n123.03
https://doi.org/10.18671/scifor.v47n123.03