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PIGEMENTING MATERIAL BASED ON TITANIUM(IV)OXIDE AND PROCESS OF TITANIUM(IV) OXIDE TREATMENT
PIGEMENTING MATERIAL BASED ON TITANIUM(IV)OXIDE AND PROCESS OF TITANIUM(IV) OXIDE TREATMENT
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机译:基于四氧化钛的着色材料及二氧化钛的处理工艺
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摘要
A pigmentary material comprises particulate titanium dioxide the particles of which have been treated with a polymeric hindered amine stabiliser. The stabiliser is a polymer having a main chain substantially free of acidic groups and having hindered amine stabilising groups. The stabilising groups comprise at least 35 per cent by weight of the polymer. Preferably, the titanium dioxide particles are also treated with an organic compound such as a polyhydric alcohol, an alkanolamine, a polysiloxane or a fatty acid.
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