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2. Natural oil polyols - Wikipedia

   en.wikipedia.org/wiki/Natural_oil_polyols

   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.

3. Biofoam - Wikipedia

   en.wikipedia.org/wiki/Biofoam

   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]

4. Ecovative Design - Wikipedia

   en.wikipedia.org/wiki/Ecovative_Design

   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.

5. Spray foam - Wikipedia

   en.wikipedia.org/wiki/Spray_foam

   Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

6. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Foam insulation often uses hazardous chemicals with high human toxicity, such as isocyanates, benzene and toluene. The foaming agents no longer use ozone-depleting substances. Personal Protective Equipment is required for all people in the area being sprayed to eliminate exposure to isocyanates which constitute about 50% of the foam raw ...

7. Bio-based material - Wikipedia

   en.wikipedia.org/wiki/Bio-based_material

   A bio-based material is a material intentionally made, either wholly or partially, from substances derived from living (or once-living) organisms, [1] such as plants, animals, enzymes, and microorganisms, including bacteria, fungi and yeast.