André Siraa's scientific contributions
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Publications (3)
An investigation of the effects on decay and termite resistance of a wood modification process involving prepolymers of hexamethoxymethyl melamine (HMMM) was conducted using LVL as a model engineered wood product. Dry Pinus radiata veneers were vacuum-impregnated with a wood modification formulation containing a mixture (P-H:S-H) of two separate pr...
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%...
Non-aqueous solvents have a long history in the treatment of wood products in various parts of the world. The most familiar solvent treatment is the 'light organic solvent preservative' (LOSP) treatment based on low density solvents such as white sprit. Until recently white spirit was the only non-aqueous solvent approved for use in wood preservati...
Citations
... In an accompanying paper (Molloy et al. 2011) we describe the development of a wood modification method utilising a mixture of prepolymers (P-H:S-H) containing the amino resin hexamethoxymethyl melamine as the principal crosslinking component. Modification of veneers and fibres using P-H:S-H produced engineered wood products such as LVL and MDF with significantly improved physical properties. ...
