Sealing compositions

Details Sealing compositions Sealing compositions

1994-01-18

1995-12-26

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Leak stopping

106243, 106266, 106272, C09K 310, C09D19106, C09D19108

Patent

active

054783852

ABSTRACT:
This invention relates to sealing compositions and, more particularly, sealing compositions for use in conjunction with tail seals of tunnelling machines. In particular a sealing composition according to the invention comprises, by mass, from 10 to 55% of a petroleum-derived wax, or wax-consistency hydrogenated vegetable oil or fat, or a polyisoobutane of oil, grease or wax consistency, or any combination of the above, from 0.5 to 15% of a lipophilic emulsifier, and water in sufficient concentration (at least 20% preferably 20-75%) to inhibit combustion of the composition.

REFERENCES:
patent: 4524159 (1985-06-01), Barber
patent: 4867792 (1989-09-01), Ronlan

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