Method of partially converting wood into a lignin plastic polyme

Details Method of partially converting wood into a lignin plastic polyme Method of partially converting wood into a lignin plastic polyme

1975-05-13

1977-05-31

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

427381, 427441, C08L 100

Patent

active

040268470

ABSTRACT:
Method of partially converting wood into plastic material by impregnating the wood with a phenol and substances which form a reaction product which forms a prepolymer with the lignin in the wood, heating said impregnated wood to form said reaction product and pre-polymer, and thus applying further heat and pressure to said impregnated wood to form a copolymer between said pre-polymer and the lignin in said wood.

REFERENCES:
patent: 1382103 (1921-06-01), Lyon
patent: 1892658 (1932-12-01), Wiezevich
Chem. Absts., vol. 70, (1969), 5289 f, "Dimensional Stability of Wood Samples by Synthetic Resin," Sosnina et al.
Chem. Absts., vol. 71, (1969), 40452w, "Polycondensation--phenol--formaldehyde--woodlignin," Krosnoselov.
Chem. Absts., vol. (1970), 46875z, "Chemical Wood Plastics," Kalnins.
Chem. Absts., vol. (1971), 100,745t, "Wood Plastics--Modified Wood--Properties," Muzhits.

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