摘要 |
Processes are disclosed for treating an inorganic particulate to provide improved dispersibility in a thermoplastic, for example, titanium dioxide as an opacifier or colorant in a polyolefin concentrate, and for producing said pigmented thermoplastic, wherein a surface coating is deposited on the particulate which comprises one or more of the alpha,alpha-dialkyl substituted linear or branched carboxylic acids and the salts thereof.
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