Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and

Details Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and

1988-06-13

1989-04-11

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

106 125, 204 431, 204 44, 204 444, 204 445, 204 451, 204 461, 204 49, 204 521, 204 541, 204 551, 260512C, C07C14330, C07C14332, C07C14334

Patent

active

048203882

ABSTRACT:
Novel Polyalkylenglycol naphthyl-3-sulfopropyl diethers and salts thereof of the formula ##STR1## (R.sub.1 -R.sub.3 =H, C.sub.p H.sub.2p--1 ; p=l--4, A=(PO).sub.m --(EO).sub.n --, (EO).sub.n --(PO).sub.m,--(EO).sub.n EO=ethylenoxide residue, PO=propylenoxide residue, m=0-15, n-1-40, A=H, alkali metal, earth alkali metal, NR.sub.5 R.sub.6 R.sub.7 R.sub.8 wherein R.sub.5 -R.sub.8 =H, C.sub.1 -C.sub.4 --alkyl, aryl, aralkyl) are prepared by reacting the corresponding polyalkylene glycol naphthyl either with propane-1.3-sultone. The compounds are surfactants in particular in electroplating baths for precipitation Zn, Sn, Cu, Ag, Ni and alloys thereof.

REFERENCES:
patent: 4153575 (1979-05-01), Kalfoglou et al.

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