-
1.
公开(公告)号:US20170165681A1
公开(公告)日:2017-06-15
申请号:US15325916
申请日:2015-04-22
发明人: Antonio Pedro DE OLIVEIRA FILHO , Jesus PITARCH LÓPEZ , Wagner Claudio DA SILVA , Gunter LIPOWSKY , Jacques Collin BEZUIDENHOUT , Jaime Osvaldo Gomez Becerra , Rodrigo Alexis Caris Andrade , Franco Aurelio Constanzo Yanez
CPC分类号: B03D1/012 , B03D1/008 , B03D1/02 , B03D2201/02 , B03D2203/02 , B03D2203/025 , C22B3/1658
摘要: The instant invention relates to a composition in form of a stable aqueous emulsion comprising a) 1-50 wt.-% of at least one water insoluble thionocarbamate collector selected from the group consisting of dialkyl thionocarbamates, alkyl alkoxycarbonyl thionocarbamates and alkyl allyl thionocarbamates, b) 1-50 wt.-% of one or a mixture of surface active agents of the general formula wherein R1 is a saturated or unsaturated, branched or linear C3 to C30 aliphatic or aromatic hydrocarbon group, R2 and R3 are independently from each other hydrogen or a C1 to C4 alkyl group, R4 is hydrogen or —CH2—COOX where X is hydrogen or sodium salt or potassium salt or ammonium salt, and n and m are independently from each other 0 to 50, c) 0.1-20 wt.-% of a mixture of at least one alcohol and at least one ether and/or ester, e) 1-90 wt.-% of water.
-
2.
公开(公告)号:US20180104701A1
公开(公告)日:2018-04-19
申请号:US15562830
申请日:2016-03-01
IPC分类号: B03D1/008 , B03D1/01 , B03D1/02 , C07C53/126 , C07C233/05
CPC分类号: B03D1/008 , B03D1/01 , B03D1/021 , B03D2201/005 , B03D2201/02 , B03D2203/04 , B03D2203/06 , C07C53/126 , C07C233/05
摘要: This invention relates to a collector composition for the direct froth flotation of nonsulfide ores comprising a) 50-99 wt.-% of a mixture of fatty acids and b) 1-50 wt.-% of an N-acyl derivative of sarcosine of the formula (I) wherein R is a saturated or unsaturated hydrocarbon chain with 7 to 21 carbon atoms, wherein the mixture of comprises 10.0-35.0 wt.-% of fatty acid having a saturated C11 hydrocarbon group, 2.5-15.0 wt.-% of fatty acid having a saturated C13 hydrocarbon group, 10.0-25.0 wt.-% fatty acid having a monounsaturated C17 hydrocarbon group and 20.0-45.0 wt.-% fatty acid having a bisunsaturated C17 hydrocarbon group.
-