Method of spray drying phenol-formaldehyde resin compositions

Details Method of spray drying phenol-formaldehyde resin compositions Method of spray drying phenol-formaldehyde resin compositions

1989-07-26

1990-08-21

Silverberg, Sam

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 5, B29B 910, C08G 810, C08G 1404

Patent

active

049504339

ABSTRACT:
A pre-cure resistant powder resin binder for waferboard/oriented strandboard manufacture is manufactured from spray drying a liquid resin composition containing a low advanced phenol-formaldehyde resin and a water soluble oxo compound of boron. The spray dryability of the low molecular weight phenol-formaldehyde resin is enhanced by the addition of the oxo boron compound.

REFERENCES:
patent: 4324747 (1982-04-01), Sudan et al.

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