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aqueous silikonemulsion as the basis for the production of water and paper nichthaftenden coatings is used,process for the production of emulsions and nichthaftende coatings
aqueous silikonemulsion as the basis for the production of water and paper nichthaftenden coatings is used,process for the production of emulsions and nichthaftende coatings
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机译:使用水性有机硅乳液作为生产水和纸张的立陶宛涂料的基础,用于生产乳液和立陶宛涂料的方法
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摘要
The invention relates to an aqueous silicone emulsion comprising polyorganosiloxanes (POS) with Si-vinyl units and POS with SiH units, cross-linkable by polyaddition in the presence of a platinum catalyst. The emulsion also contains an agent (e.g., buffer) for setting and maintaining pH between 5 and 9 in an amount sufficient to eliminate or significantly reduce foam or gel formation; an emulsifying agent; optionally a polyaddition inhibitor and other additives such as a filler, biocide, antifoam, anti-freeze, coloring agent, synthetic latex. The emulsions can comprise three different families of dispersed silicone phase droplets (e.g., polyorganosiloxane (A), polyorganosiloxane (B) and catalyst). Such emulsions can be used in the preparation of anti-adherent coating on fibrous or non fibrous supports. The invention also concerns a method for preparing said emulsions and methods for coating supports, for example paper, using said emulsion.
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