| abstract |
1499385 Textile lubricants IMPERIAL CHEMICAL INDUSTRIES Ltd 16 July 1976 [29 Aug 1975] 35706/75 Heading C5F [Also in Division C3] Lubricants for polyethylene terephthalate fibre comprise organo-silicon compounds prepared by reacting the partial sodium salt of 4,8-dioxa-6- hydroxynon-1-ene, prepared from allylglycidyl ether and sodium methoxide, with ethylene oxide, and reacting the resulting polyether with either acetic anhydride or trimethylchlorosilane, and then reacting the resulting acetylated or trimethylsilyl-endcapped polyether with a polysiloxane of the formula: in the presence of bis (diethylsulphide) Pt (II) chloride as catalyst and toluene as solvent. |