Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Mica particles
Patent
1997-07-28
1999-03-09
Cameron, Erma
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Mica particles
264112, 264123, 427496, 427533, 427536, 427539, 427551, 427553, 4274071, 427221, 252378R, 4233271, 423331, B29C 6724, B05D 306
Patent
active
058796002
ABSTRACT:
A method of preparing particles of an exfoliated vermiculite for the manufacture of a finished product, such as a particle board, includes the steps of, if necessary, chemically modifying the vermiculite by impregnating the vermiculite with a suitable anhydride in a non-aqueous solvent; if necessary, applying to the particles of vermiculite an adhesion promoter to promote the adherence of a resin to the surfaces of the particles of vermiculite; and resinating the particles of vermiculite either with a thermoplastic resin which has been surface modified by irradiation or by fluorination, or by an isocyanate thermosetting resin, or by a dry powder novolac thermosetting resin; and if necessary removing any solvent present.
REFERENCES:
patent: 2397083 (1946-03-01), Bellamy
patent: 4410586 (1983-10-01), Ladizesky et al.
patent: 5309690 (1994-05-01), Symons
patent: 5466424 (1995-11-01), Kusano et al.
Cameron Erma
Tower Technologies (Proprietary) Limited
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