Prepress sealer application technology

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...

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Details

428 68, 4283044, 4283184, 428409, 4282974, C08L 9702, B27N 302

Patent

active

057860726

ABSTRACT:
This invention relates to a method for preparing wood composition board, such as hard board, fabricated consolidating fibers or chips under heat and pressure to form an integral board material. More particularly, this invention relates to an improved method for applying a clear or pigmented prepress coating, also known as a prepress sealer, to the surface of a fibrous mat by converting the prepress sealer into foam prior to subjecting the mat to a temperature and pressure press treatment.

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