Tension floor covering having enhanced embossing and durability

Details Tension floor covering having enhanced embossing and durability Tension floor covering having enhanced embossing and durability

1990-03-28

1993-10-26

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

264 451, 264 52, 428159, 428172, 4283166, 4283193, B29D 900, B32B 326, B32B 2708

Patent

active

052564657

ABSTRACT:
Improved durability and sharper chemical embossing images are obtained in a thick foamed thermoplastic floor structure by the use of an unfoamed inner layer. The floor covering is formed on a release paper and includes an unfoamed thermoplastic base coat, lower foamed thermoplastic layer, an unfoamed thermoplastic inner layer, an upper foamed thermoplastic layer and a clear coat. The enhanced chemical embossing is achieved by printing an inhibitor containing ink on the inner layer and below the upper foamed layer. Multilevel embossing is obtained by embossing both foamed thermoplastic layers or applying a growth-controlling agent to both surfaces of one foamable thermoplastic layer. The preferred embodiment includes a pearl platelet containing layer above the upper foamed layer to give the illusion of deeper embossing. The preferred embodiment also includes a wear coat of the reaction product of an aminoplast, a urethane and a polyol.

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