Compounds of the structure: where R is a divalent hydrocarbyl or hetero-substituted hydrocarbyl group having up to 10 carbon atoms, X is --CH.sub.2 CH(R.sup.1)O-- or --(CH.sub.2).sub.4 O--, R.sup.1 is methyl or ethyl, m is from 0.5 to 3.0 and k+n is from 3 to 10 the number of X groups not exceeding 25% by weight of the compound are disclosed. Such compounds are useful as hydraulic fluids. R is typically --(CH.sub.2).sub.x -- where x is from 4 to 10. A process for preparing an alkoxylating agent ...

Polyethers I ##STR1## R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.20 -alkyl, n and m are each from 1 to 30 and r is from 0 to 20, are used mainly as surfactants in detergent and cleaning agent formulations.

This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.

To obtain nonionic surfactants having solubility and stability in relatively strong aqueous solution of caustic, salt or other electrolytes, corn starch or a similar source of glucose units is reacted with an alcohol containing up to about 4 carbon atoms to obtain a glycoside somewhat more lipophilic than the saccharide, and then the resulting glycoside is reacted with a hydrophobic oxirane-containing material such as a C.sub.6 to C.sub.18 epoxyalkane or a glycidyl ether having about the same nu...

The invention relates to a rubber-elastic composition which comprises a polyether material, and which in the completely vulcanized and completely polymerized form, contain 0.1 to 15 wt. %, relative to the total weight of the composition, of at least one hydrophilic nature imparting agent selecting from the group consisting of a hydrophilic silicone oil having one or more siloxane groups as a hydrophobic part and one or more ether groups as a hydrophilic part, a fluorinated hydro-carbon, a block ...

This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.

Polyarylene polyethers composed of recurring units where E is the residuum of a dihydric phenol and E' is the residuum of a benzenoid compound having an inert electron withdrawing group ortho or para to the valence bonds and where both E and E' are bonded to the ether oxygens through aromatic carbon atoms. The polyarylene polyethers are prepared by reacting a double alkali metal salt of a dihydric phenol with a dihalobenzenoid compound in the presence of certain sulfoxide or sulfone solvents und...

Macrocyclic polyethers, their preparation, complexes of these macrocyclic polyethers and their preparation are described.

New high energy polymeric materials comprising polyethers having repeating units of ##EQU1## are disclosed. Also disclosed are methods for their preparation by adding tetrafluorohydrazine to unsaturated polyethers. The use of the new high energy polymeric materials in making solid propellant binders are also disclosed.

The present invention relates to polyethers which are obtainable from 1 -butene oxide and an alcohol using a double metal cyanide compound as a catalyst and have a content of unsaturated components of 6 mol% or more, to a process for preparing such a polyether and also to the use of a polyether according to the invention as a carrier oil or in a carrier oil formulation, in particular in additive packages for gasoline fuels, and furthermore also to carrier oil formulations and also to fuels compr...