| 摘要 |
1393158 Wax emulsion cleaners HOECHST AG 25 May 1972 [27 May 1971] 24639/72 Headings C5D and C5W [Also in Division B1] A wax emulsion which is a transparent cleaning and polishing preparation comprises an ionic and/or non-ionic emulsifier and a wax which has an acid number of from 5 to 25 and is the esterification product of a straight chain, saturated fatty acid having from 16 to 36 carbon atoms with a polyethylene glycol having a molecular weight of from 3,000 to 20,000. The emulsion may contain 1 to 20% wax, 1 to 20% emulsifier and optionally also polyphosphate and/or pyrophosphate in amount up to 6% and a chelating agent in amount up to 4%. The wax component exemplified is an esterification product of industrial montan wax acid and polyethylene glycol mol. wt. 10,000 and acid number 15; other materials are mentioned. The ionic emulsifier may be formed by reacting the wax with an amine or amino alcohol, or may be a potassium soap or an organic sulphate or sulphonate. The non-ionic emulsifier may be an oxyethylated fatty alcohol, fatty amine or alkyl phenol. |
