B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/215
B05D 1/18 (2006.01) D06M 13/248 (2006.01) D06M 13/252 (2006.01)
Patent
CA 1325930
ABSTRACT OF THE DISCLOSURE A process is disclosed for inhibiting thermal oxidative degradation of polypropylene webs results from rinsing the polypropylene webs after washing in an aqueous solution of either dilaurylthiodipropionate (DLTDP) or distearylthiodipropionate (DSTDP). The aqueous solution has a concentration of DLTDP or DSTDP of 5 ppm. The aqueous solution is maintained about 150° F., and the polypropylene web is rinsed or dipped in the aqueous solution until saturated. A polypropylene web is also disclosed which has been treated to inhibit thermal oxidative degradation by the above process.
605983
Duello Leonard E.
Reeves William G.
Roeder Robert J.
Borden Ladner Gervais Llp
Kimberly-Clark Corporation
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