Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1991-05-21
1992-04-14
Prescott, Arthur C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
556437, C07F 708
Patent
active
051049988
ABSTRACT:
A novel organopolysiloxane compound, which has high surface activity to form an emulsion of the water-in-oil type of various hardly emulsifiable materials, is proposed. The organopolysiloxane compound is a dimethylpolysiloxane having two types of modifying groups including polyether or polyoxyalkylene groups on one hand and higher alkyl groups bonded to the silicon atoms through an ether linkage on the other hand bonded to the silicon atoms. Different from conventional dually modified dimethylpolysiloxanes as an emulsifying agent having modifying groups of polyether groups and higher alkyl groups directly bonded to the silicon atoms, the dually modified dimethylpolysiloxane of the invention can be synthesized easily in a one-step process of the reaction in addition to the advantage of excellent emulsifying activity for various kinds of hardly emulsifiable liquids as compared with conventional emulsifying agents.
REFERENCES:
patent: 4113760 (1978-09-01), Frey et al.
patent: 4658006 (1987-04-01), Inoue
patent: 4950726 (1990-08-01), Yoshioka et al.
patent: 5045621 (1991-09-01), Suzuki
Prescott Arthur C.
Shin-Etsu Chemical Co. , Ltd.
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