A combination of OH-functionai dehydrated castor oil alkyd resin and melamine resin is suitable for the formulation of stoving hammer finish paint. The dehydrated castor oil alkyd resin has high elasticity and sufficient hardness, good gloss and good resistance to chemicals. The amino-formaldehyde resin used was a melamine resin giving good hardness and good resistance properties. a. Composition and synthesis The silicone oils are prepared by the Müller-Rochow synthesis by catalytic reaction of silicone with methyl chloride. Modified silicones are prepared by using other alkyl halides, e.g. propyl, butyl or phenyl chloride. ...