Polyurethane in intimate contact with fibrous material

Details Polyurethane in intimate contact with fibrous material Polyurethane in intimate contact with fibrous material

2007-09-11

2007-09-11

Sergent, Rabon (Department: 1711)

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

C222S566000, C222S571000, C239S303000, C239S407000, C239S408000, C239S410000, C239S413000, C239S414000, C239S416200, C239S416300

Reexamination Certificate

active

09814552

ABSTRACT:
A sprayable polymeric material and a process for preparing the material which contains a fibrous material, dispersed throughout the polymeric material. A restriction free spray nozzle is provided for mixing and spraying the polymeric material having a fibrous material, the nozzle having a restriction free check valve. A reinforced structure, and a method of making the structure are provided, the structure having layers of the polymeric material (both film and foam) containing the fibrous material. A flexible liner is provided of a porous geotextile fabric and a polyurethane composition comprising the fibrous material sprayed over the geotextile fabric.

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