Diboride coated pressing surfaces for abrasion resistant laminat

Details Diboride coated pressing surfaces for abrasion resistant laminat Diboride coated pressing surfaces for abrasion resistant laminat

1998-02-19

1999-10-19

Turner, Archene

Coating processes

With pretreatment of the base

Etching, swelling, or dissolving out part of the base

2041921, 427299, C23C 1446

Patent

active

059685964

ABSTRACT:
A press plate for producing decorative laminate from resin impregnated paper, with alumina particles on its pressing surface, is coated with diborides selected from the group consisting of hafnium diboride, molybdenum diboride, tantalum diboride, titanium diboride, tungsten diboride, vanadium diboride, or zirconium diboride or mixtures thereof for making the press plate resistant to scratching. The preferred diborides are titanium and zirconium. The most preferred diboride is titanium. The color, gloss and surface appearance of laminate pressed with a titanium diboride coated press plate is substantially the same as laminate pressed with the press plate before coating.

REFERENCES:
patent: 4556607 (1985-12-01), Sastri
patent: 4820392 (1989-04-01), Moskowitz et al.
patent: 4971855 (1990-11-01), Lex et al.
patent: 5244375 (1993-09-01), Laurence et al.

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