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One of the first uses for NOPs (other than castor oil) was to make spray-on polyurethane foam insulation for buildings. [17] NOPs are also finding use in polyurethane slab foam used to make conventional mattresses [8] as well as memory foam mattresses. [18] [19] The characteristics of NOPs can be varied over a very wide range.
A foam is considered open-celled if at least two of its facets are holes rather than walls. [18] In this case the entirety of the load on the foam is on the cross-beams that make up the edges of the cell. [6] If no more than one of the walls of the cell are holes, the foam is considered closed-celled in nature. [18]
This is a list of insulation materials used around the world. ... Polyisocyanurate spray foam 2.54: 1 0.76–1.46: 4.3–8.3: 30–57 Closed-cell polyurethane spray foam
Ecovative was developed from a university project of founders Eben Bayer and Gavin McIntyre. In their Inventor's Studio course at Rensselaer Polytechnic Institute taught by Burt Swersey, Eben and Gavin developed and then patented a method of growing a mushroom-based insulation, initially called Greensulate before founding Ecovative Design in 2007.
Cementitious foam insulation is a cement-based thermal and acoustic insulation, [1] with an R-value similar to that of fiberglass. [2] It is installed as a foam with a consistency like shaving cream, [2] or as pre-cast slabs. [3] The current cost is similar to that of polyurethane foams. [2]
Polyimide foam is a foam originally designed for NASA by Inspec Foams Inc. under the brand name Solimide. [1] Its primary purposes are as an insulator (such as for rocket fuels ) and acoustic damper.
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