Mine stopping sealant

Details Mine stopping sealant Mine stopping sealant

1985-05-30

1986-08-19

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

166294, 166295, 252 8512, 252 8513, 299 11, 405264, E21B 33138

Patent

active

046070664

ABSTRACT:
A process for coating geological formations and mine stoppings by applying to these substrates an aqueous, non-cementitious sealant composition comprising a water-soluble or water-dispersible polymeric binder, filler material and water, and allowing the sealant composition to dry to form an air flow resistant coating on the substrates. A highly satisfactory polymeric binder is used in the form of a polymer emulsion, such as an emulsion of an acrylic polymer having a low Tg and being sufficiently plasticized to provide a coating having prolonged air flow resistance.

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patent: 4510180 (1985-04-01), Cornely et al.
"Elastomeric Roof Mastics," Product Bulletin, Rohm and Haas Company.

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