Preservation of wood

Details Preservation of wood Preservation of wood

1981-08-24

1983-08-16

Schofer, Joseph L.

Stock material or miscellaneous articles

Impregnated naturally solid product

Wood timber product

427297, 427440, 428529, 523122, 524 99, 524341, 252404, B27K 340, B32B 2108, C08K 513

Patent

active

043991955

ABSTRACT:
Wood is preserved with a water-based treating solution containing a halogenated phenol wood preservative such as pentachlorphenol, a phenolic resin prepolymer such as a phenol formaldehyde prepolymer, and a coupling or solubilizing agent for enhancing the water compatibility of the various ingredients. The treatment is carried out by exposing the wood, while submerged in the treating solution, so one or more cycles of reduced pressure (i.e. vacuum) and elevated pressure.

REFERENCES:
patent: 1046137 (1912-12-01), Aylsworth
patent: 1111287 (1914-09-01), Aylsworth
patent: 2775570 (1956-12-01), Barkdoll et al.
patent: 3715310 (1973-02-01), Butcher
patent: 3945834 (1976-03-01), Clarke et al.
patent: 3948802 (1976-04-01), Liddell
patent: 3968276 (1976-07-01), Allan

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