Notebook

Notebook, 1993- MATERIALS & METHODS - Painting - Oil Painting - Supports and Grounds

Grounds - Alkyd Resin Grounds

A primer made by Windsor and Newton uses titanium oxide pigment and soya-bean-oil-modified alkyd resin as a bind. It is thinned with turpentine or mineral spirits and dries rapidly. It is sold in 250 cc [approximately half pint ] cans. This amount should be sufficient to prime a canvas 4 by 5 feet with two coats of priming. Size the unprimed canvas with rabbitskin glue in the usual way and then apply the first coat of alkyd oil painting primer, very slightly thinned with mineral spirits. When it has dried in normal light for 24 hours, apply a second coat of primer. Do not thin the second coat, but apply it as it comes from the can. Brushes and tools should be cleaned with turpentine or mineral spirits. An advantage of the alkyd oil painting primer is that it dries evenly throughout the film instead of drying, as some oil films may, from the top while the lower portions of the film may still be soft. As it dries more rapidly and thoroughly, the usual minimum period of two weeks of drying time before the canvas is used may not be as necessary for the alkyd priming as it is for the linseed oil priming. However, allowing the alkyd priming a two -week drying period will increase the stability of the canvas. [p. 109]

[Kay, Reed. The Painter's Guide to Studio Methods and Materials. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1983.]

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