Medium density mixed hardwood flake lamina

Details Medium density mixed hardwood flake lamina Medium density mixed hardwood flake lamina

1981-07-14

1982-11-30

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428114, 428402, 428528, 428529, 428535, 428537, B32B 2102, B32B 2108, B32B 2114

Patent

active

043616127

ABSTRACT:
A lamina for a medium density structural board made from dimensioned wood flakes cut from a mixture of hardwood species and having a high retained internal bond strength is disclosed. The wood flakes are blended with a phenol formaldehyde resin having a major quantity of a low molecular weight fraction and a wax and then formed into a hot pressed product. The lamina may be used alone or as the core of a structural board having veneer, hardboard or plywood face panels. Three or more lamina may be formed into a structural board or used as the core of a board having veneer, hardboard or plywood face panels.

REFERENCES:
patent: 4246310 (1981-01-01), Hunt et al.

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