Patent GB-388369-A (GB)
Title: Improvements in coating or polishing compositions
IPC: C11D7/26
Filed: 1931-08-10
Abstract: Mixtures containing aliphatic or cycloaliphatic alcohols with odd as well as even numbers of more than eight carbon atoms, obtained by the destructive oxidation, e.g. with air, of hydrocarbons of high molecular weight, or their esters with boric or stearic acid, are used in polishing compositions.  Hydrocarbons such as solid or liquid paraffin waxes, hydrogenation products of coals or tars, naphthenic hydrocarbons or substances containing them such as paraffin oil, mineral oil residues, or heavy petroleum fractions, may be treated, if desired in the liquid phase, if desired in the presence of boric or acetic acid.  If boric acid is present the alcohols in some cases may be obtained in the form of their boric esters.  Unattached initial material may be removed from the oxidation products by extraction with water-miscible alcohols or their esters with formic, acetic or propionic acid, or with liquid sulphur dioxide.  Liquid alcohols with e.g. 8-16 atoms of carbon may be separated from solid alcohols with e.g. 14-30 carbon atoms by sweating, pressing, or distillation, and more highly oxidized products may be converted into alcohols by catalytic hydrogenation of the crude mixture. In examples the mixtures of alcohols or boric esters are obtained (1) by blowing hard paraffin wax in the liquid phase with air at 150 DEG  C. in presence of acetic acid, saponifying with aqueous caustic soda, extracting from the soap a mixture of unattacked wax and alcohols with methanol and benzine, and extracting the alcohols from the mixture with liquid sulphur dioxide; (2) by blowing hard paraffin wax with air at 160 DEG  C. in presence of 4 per cent of boric anhydride; (3) by blowing ceresin with air at 160 DEG  C. after adding 1 per cent of a mixture of sodium, aluminium and manganese palmitates, hydrogenating the product, and heating the mixture of alcohols obtained with ethyl alcohol and boric anhydride.  Specifications 287,514, [Class 2 (iii), Dyes &c.], 307,472, [Class 81 (i), Disinfecting &c.], 309,875, [Class 2 (iii), Dyes &c.], 317,468, [Class 76, Leather], and 356,731 are referred to.ALSO:Coating and polishing compositions for use on textile materials, leather, paper, wood, glass, stone, metal, &c. contain mixtures of aliphatic or cycloaliphatic alcohols containing more than eight carbon atoms, and obtained by the destructive oxidation, e.g. with air, of hydrocarbons of high molecular weight, together with solvents or diluents, and if desired neutral adulterants.  The mixtures contain alcohols having odd as well as even numbers of carbon atoms in their molecules.  The alcohols may be used in the form of their boric or stearic esters, or may be applied in molten or semisolid condition without solvents. Hydrocarbons such as solid or liquid paraffin waxes, mineral oils or fractions thereof containing waxes, hydrogenation products of coals or tars, naphthenic hydrocarbons or substances containing them such as paraffin oil, mineral oil residues, heavy petroleum fractions, may be treated, if desired in the liquid phase, or in the presence of acetic or boric acid.  The oxidation product or a fraction thereof may be hydrogenated in presence of finely divided nickel, copper or cobalt to convert acids, esters, aldehydes, or ketones to alcohols. Hydrocarbon solvents such as oil of turpentine, pine oils, heavy bonzine solvent naphtha, toluene, xylene, tetra- or decahydronaphthalene, or carbon tetrachloride, may be used. Adulterants specified are waxes such as paraffin wax, ozokerite, ceresin, montan wax, and carnauba wax.  Unattacked initial material may be removed from the oxidation products by extraction with water-miscible alcohols or their esters with formic, acetic or propionic acid, or with liquid sulphur dioxide; or up to 20 per cent may be left in.  In examples, the mixtures of alcohols or boric esters are obtained (1) by blowing hard paraffin wax in the liquid state with air at 150 DEG  C. in the presence of acetic acid, saponifying with aqueous caustic soda, extracting from the soap a mixture of unattacked wax and alcohols with benzine and methanol, and extracting the alcohols from the mixture with liquid sulphur dioxide, (2) by blowing hard paraffin wax with air at 160 DEG  C. in the presence of 4 per cent of boric anhydride, (3) by blowing ceresin with air at 160 DEG  C. after adding 1 per cent of a mixture of sodium, aluminium, and manganese palmitates, hydrogenating the product in presence of 5 per cent of a mixture of 95 parts of cobalt and 5 parts of vanadium pentoxide, and heating the mixture of alcohols obtained with ethyl alcohol and boric anhydride. Specifications 287,514, [Class 2 (iii), Dyes &c.], 307,472, [Class 95, Paints &c.], 309,875, [Class 91, Oils &c.], 317,468, [Class 95, Paints &c.], and 356,731 are referred to.