Improved PEC preservatives with added biocides

IRG/WP 3322

H Greaves, C-W Chin, J B Watkins

Biocidal chemicals have been incorporated into formulations within the broad framework of pigment emulsified creosote (PEC) to provide novel potential multi-purpose preservatives. Preparations of PEC plus TCMTB, Boracol 40, copper ethanolamine nonanoate, Quatramine 80, arsenic trioxide, Troysan Polyphase, and CCA have been formulated and assessed for preserving ability in soil-jar and Accelerated Field Simulator tests. In addition, a cationic oil-in-water emulsion preservative combination of PEC and CCA (PECCA), and an anionic formulation of TCMTB with PEC (PECBUS) have been manufactured in 400 L quantities to treat hardwood pole stubs and pine posts. The results indicate the potential of these improved second generation PEC-based preservatives to provide low-creosote containing treatments able to protect commodities against biodeterioration as well as provide dry, clean surfaces.


Keywords: CREOSOTE; ADDITIVES; PEC; HARDWOODS; POLES; TCMTB; BORACOL 40; COPPER ETHANOLAMINE NONANOATE; CCA; TCMTB; BORACOL 40; QUATRAMINE 80; ARSENIC TRIOXIDE; TROYSAN POLYPHASE

Conference: 85-05-12/17 Guaruj√°, Brazil


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