C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6105, 400/65
C08L 33/06 (2006.01) C08K 3/22 (2006.01) C08L 23/08 (2006.01) C08L 35/04 (2006.01)
Patent
CA 2014801
ABSTRACT OF THE DISCLOSURE A composition stabilized against thermal crosslinking and consequent reduction of its melt index, consisting essentially of a uniform dispersion of alumina-coated titanium dioxide pigment in a blend of a matrix polymer which is a dipolymer of ethylene with an ethylenically unsaturated carboxylic acid or a terpolymer of ethylene with an ethylenically unsaturated carboxylic acid and with another ethylenically unsaturated comonomer, or with carbon dioxide or aykdye dioxide, with a stabilizing polymer which is a high melt index copolymer of ethylene with acrylic or methacrylic acid. such compositions are useful in melt-fabricating white-pigmented articles such as, e.g, toothpaste tubes and condiment pouches.
E. I. Du Pont de Nemours And Company
Sim & Mcburney
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