B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/42 (2006.01) B32B 27/40 (2006.01)
Patent
CA 2058694
SURFACE COVERING Abstract The flexibility of aminoplast wear layers is improved by the addition of a phyllosilicate. The con- centration of the phyllosilicate is sufficiently low to not adversely affect other physical properties of the wear layer. The reduction or elimination of urethane improves stain resistance. The gloss level obtained for a given concentration of phyllosilicate depends on the particle size, and therefore type of phyllosilicate, as well as amount of phyllosilicate. A surface covering having areas of different gloss level can be obtained by printing areas forming the wear layer with compositions containing different types of phyllosilicates.
Bohrn Walter J.
Fernando Raymond H.
Armstrong World Industries Inc.
Bohrn Walter J.
Fernando Raymond H.
Gowling Lafleur Henderson Llp
LandOfFree
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