Method for making solid materials having a flash point of less t

Details Method for making solid materials having a flash point of less t Method for making solid materials having a flash point of less t

1978-11-29

1980-10-28

Welsh, Maurice J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

521 59, 521 57, 521 54, 521 55, 264 451, 264 453, 264 459, 428407, 252 8, 252408, 116 23, 116101, C08G 800

Patent

active

042308089

ABSTRACT:
Solid materials having a flash point of less than 500.degree. C. are rendered fire alarming by providing for the presence thereon of micro capsules containing a bromofluoroalkane having a critical temperature of at least 100.degree. C., the micro capsules having an external diameter of from 200 to 260 microns, and the wall of the capsules consisting of a polymer, treated to release the bromofluoralkane suddenly at a predetermined temperature to provide a detonation having a maximum sound level of 10-12 kHz.

REFERENCES:
patent: 4024092 (1977-05-01), Sonnenberg
patent: 4026829 (1977-05-01), Samura et al.
patent: 4035315 (1977-07-01), Ingram
patent: 4122203 (1978-10-01), Stahl

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