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What information can we glean from field testing
1995 - IRG/WP 95-20057
To mathematically compare the performance of preservatives in a field test, equations were formulated to describe the relation between log score and time and between rate of decay and retention. By combining these equations, a model was derived for the performance of a number of waterborne preservatives. Some relations between the estimated parameters for different preservatives were noted and the...
P I Morris, S Rae


Screening results of fungicides for sapstain control on Pinus radiata
1983 - IRG/WP 3236
Thirty-two compounds were tested to determine their ability to contain the growth of stain, mould and rot organisms on fresh Pinus radiata D Don. A screening technique was employed using 35 to 50 mm diameter biscuits of Pinus radiata stemwood 10 mm thick. No compound was found to be cost effective when compared against the standard treatments of NaPCP (0.5% a.i.) plus borax (1.5%) and Captafol (0....
P J Hayward, J Duff, W Rae


Mixtures of fungicides screened for the control of sapstain on Pinus radiata
1984 - IRG/WP 3307
Fourty nine mixtures of fungicides were evaluated in a rapid laboratory screen for the control of stain, mould and decay fungi on Pinus radiata (D.Don). The most effective mixture was thiophanate methyl plus chlorothalonil closely followed by the mixtures of thiophanate methyl plus benzisothiazolone and thiophanate methyl plus dithio-bis (benzmethylamide). Benzalkonium chloride, thiram and ziram, ...
P J Hayward, W Rae, J Duff


Permatek IM 30 as a termiticide treatment for veneer-based wood products
2003 - IRG/WP 03-30325
Permatek IM 30 is a termiticide designed for incorporation into wood products during manufacture. Whereas existing approved products in Australia are based predominantly on synthetic pyrethroids carried in solvents, Permatek IM 30 is based on imidacloprid, a neonicotinoid insecticide. The formulation has very low mammalian toxicity, is free of VOCs, and has been successfully tested as a glueline ...
J Doyle, K Webb, W R Rae, A F Siraa, J Malcolm-Black


Design, synthesis, characterisation and effectiveness of ‘Locked-in-Boron’ chemicals for H3.2 level of wood protection
2011 - IRG/WP 11-30577
Boratrane molecules with five-membered and six-membered molecular ring systems, and with various ring substituents were synthesised, characterised and formulated for wood treatment for accelerated laboratory bioassays using wood decay fungi as test organisms. Six-membered ring boratranes showed lower efficacy in laboratory assays than five-membered ring boratranes. One alkyl-substituted boratran...
R Franich, H Kroese, S Gallagher, S Hill, B Kelly, G Billett, R Meder, W Rae


Physical properties of Pinus radiata veneers modified with hexamethoxymethyl melamine prepolymers
2011 - IRG/WP 11-40551
Prepolymers containing hexamethoxymethyl melamine and either sucrose (Suc-HMMM) or polyvinyl alcohol (PVA-HMMM) were prepared by acid catalysis under reaction conditions optimised with respect to stiffening effect when introduced into Pinus radiata veneers by vacuum impregnation and cured by hot pressing at 150C. Maximum increases in MOE were 20% for Suc-HMMM (50% WPG), 22% for PVA-HMMM (...
C Molloy, W Rae, S Connor, T Henderson, A Siraa