Reduced-friability, highly cross-linked, flame-resistant, polyur

Details Reduced-friability, highly cross-linked, flame-resistant, polyur Reduced-friability, highly cross-linked, flame-resistant, polyur

1976-10-27

1978-01-31

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AL, 260 25AQ, 260 25AP, 260 25AR, C08G 1814

Patent

active

040714829

ABSTRACT:
Highly flame-resistant polyurethane foams of improved friability and reduced brittleness without a corresponding substantial increase in flame-spread or smoke-generation characteristics are prepared by incorporating into a foamable polyurethane composition an amount of a liquid organic carbonate, such as ethylene or propylene carbonate.

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Journal of Organic Chemistry, vol. 25, pp. 1000-1012, 1960, Tsuzuki et al.

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