Effect of MC and penetration direction on the distribution of styrene in red maple

Penetrability of red maple (Acer rubrum L.) with styrene monomer in four (radial, tangential, longitudinal, and every) penetration directions and four moisture contents (MC) in the hygroscopic range was studied. The monomer was polymerized and its location was studied using microscopy. The amount of fluid in the wood was similar for all penetration directions and MCs, but distribution within cells was best with tangential penetration, slightly poorer with radial penetration, and poorer still when longitudinal penetration dominated. Polymer extending through intervessel and interfiber pits was observed.

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