2020
DOI: 10.1016/j.conbuildmat.2020.120471
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Bio-based rigid high-density polyurethane foams as a structural thermal break material

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Cited by 53 publications
(25 citation statements)
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“…PUR pristine showed, as expected, a closed cell structure (typical of the rigid foams) [ 59 ] with a cell size ranging around 400 μm. For the cases of PUR_FD_0, PUR_FD_1 and PUR_FD_2, the addition of SF_CNCs induced a reduction of the average cell size, (around 100 μm for PUR_FD_1 and PUR_FD_2), with respect to the unfilled foam, where closed cell structure was preserved [ 6 , 9 ].…”
Section: Resultssupporting
confidence: 62%
“…PUR pristine showed, as expected, a closed cell structure (typical of the rigid foams) [ 59 ] with a cell size ranging around 400 μm. For the cases of PUR_FD_0, PUR_FD_1 and PUR_FD_2, the addition of SF_CNCs induced a reduction of the average cell size, (around 100 μm for PUR_FD_1 and PUR_FD_2), with respect to the unfilled foam, where closed cell structure was preserved [ 6 , 9 ].…”
Section: Resultssupporting
confidence: 62%
“…Currently, scientists around the world are focusing on the use of renewable resources in the production of polymeric materials, in line with the requirements of sustainable development [1][2][3]. New methods and the use of natural raw materials are designed to reduce the consumption of non-renewable resources and obtain new biomaterials [4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…Surprisingly, the lowest value of the thermal conductivity coe cient was noted for sample 5, which could be associated with the most bene cial combination of structural parameters -average cell size and open cell content. As repetitively reported in the literature(Hejna et al 2018(Hejna et al , 2021dAndersons et al 2020;Kosmela et al 2021), the low values of these parameters are crucial for e cient thermal insulation performance, because they directly affect the extent of convective and radiative heat transfer.…”
mentioning
confidence: 84%