Sprayable mining liner

Details Sprayable mining liner Sprayable mining liner

2006-03-14

2006-03-14

Woodward, Ana (Department: 1711)

Coating processes

Foraminous product produced

C405S150100, C405S267000, C405S268000, C405S272000, C405S284000, C405S287100, C427S256000, C428S220000, C523S130000, C523S131000, C524S500000, C524S507000, C524S591000

Reexamination Certificate

active

07011865

ABSTRACT:
A liner is the product of reaction of (a) a hydrophilic prepolymer bearing isocyanate groups; and (b) a water-borne polymer dispersion, the polymer bearing groups that are reactive to isocyanate groups; wherein the dispersion has a sufficiently high solids content, and the polymer has a sufficiently high modulus and glass transition or crystalline melting temperature, that the product of reaction exhibits a 24-hour Tensile Strength of at least about 2.5 MPa.

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