Prepress sealer application technology by foaming

Details Prepress sealer application technology by foaming Prepress sealer application technology by foaming

D - Textiles, Paper

21

J

D21J 1/08 (2006.01) B27N 3/00 (2006.01) B27N 3/18 (2006.01) C08L 97/02 (2006.01)

Patent

CA 2137727

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 particularlv, 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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