C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 13/02 (2006.01) C08K 3/16 (2006.01) C08K 3/18 (2006.01) C08K 5/00 (2006.01)
Patent
CA 2113899
2113899 9302133 PCTABS00019 Methods of stabilizing a thermoplastic composition comprising a thermoplastic polymer and a fluorescent colorant against heat and processing degradation are disclosed. Compositions including a thermoplastic polymer, a fluorescent colorant and a conventional primary heat stabilizer and a stabilizer comprising a sodium perchlorate salt are disclosed. These compositions provide improved processing stability at processing temperatures of about 300 ·F to about 400 ·F.
Ahluwalia Surinder S.
Rogers Jay L.
Osler Hoskin & Harcourt Llp
Witco Corporation
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