Resin soap
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Resin soap is a mix of salts (usually sodium) of resin acids (usually mainly abietic acid). It is a yellow gelatinous pasty soap with use in bleaching and cleaning and as a compound of some varnishes. It also finds use in rubber industry.
Resin soap is made by reacting resin acids in wood with
wood pulp
. It is also called Kraft soap.
Acidification of the resin soap produces tall oil.
Pine soap is refined from resin soap via tall oil by acidification, refining and resaponification. [1]
References
- PMID 26790564.