D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
117/228, 8/93.8
D06M 11/46 (2006.01)
Patent
CA 1148803
POLYESTER TEXTILE MATERIAL HAVING IMPROVED OPACITY Abstract of the Disclosure A polyester fiber textile material made by the application of titanium dioxide pigment thereto is provided. According to the process by which the textile material is made, the titanium dioxide pigment having a particle size of at least about 0.18 micron is exhausted from a dispersion of same onto the textile material at a pH below approximately 7.5. Subsequent heat set- ting of the polyester textile material improves retention of the titanium dioxide pigment. It has long been known that textile materials, that is spun yarns, exturded filaments, woven fabrics, knitted fabrics, non- woven materials and the like can be rendered more opaque by the addition of various metal oxides, such as titanium dioxide thereto. By adding opacity to a sheer textile material, the covering power of the material is greatly improved, without the extra weight and cost that would be present for a heavier, tightly formed substrate. Likewise, in so adding opacity to the textile material it is quite desirable, if not imperative, to avoid changing the handle characteristics to a point where the material becomes unsuited for garment use, for example, and the improved opacity charac- teristic should be retained after repeated launderings or dry cleanings.
352026
Gowling Lafleur Henderson Llp
Milliken Research Corporation
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