Composition for impregnating porous materials, preparation and use thereof - 2001

2016-09-07T05:09:26Z (GMT) by John Bernard Watkins
<div>Composition for impregnating porous materials, in which the composition contains at lease one component having preservative properties or which release a component having preservative properties on heating, the composition comprising an emulsion of water and oil containing a primary surfactant and an amphoteric additive, the pH of the emulsion being equal or approximately equal to the iso-electric point of the amphoteric additive. The compositions of the invention are particularly useful in the preservation of timber.</div><div><br></div><div><br></div>