Thermoplastic molding of sinterable silicon carbide

Details Thermoplastic molding of sinterable silicon carbide Thermoplastic molding of sinterable silicon carbide

1984-04-11

1985-11-05

Bell, Mark L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

264 63, 501 90, 524563, C04B 3556, C08L 9100

Patent

active

045514968

ABSTRACT:
A thermoplastically moldable ceramic composition comprised of from about 40% to about 60% by volume of a sinterable silicon carbide powder and a binder comprised of an organic acid and a copolymer of ethylene and from greater than about 12 weight % to about 33 weight % vinyl acetate, said organic acid having a melting point ranging from about 44.degree. C. to about 88.degree. C. and ranging from greater than about 18% by weight up to about 45% by weight of the binder. The ceramic composition is thermoplastically molded into a body which is baked to remove the binder and then sintered.

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patent: 4000110 (1976-12-01), Salto et al.
patent: 4004934 (1977-01-01), Prochazka
patent: 4144207 (1979-03-01), Ohnsorg
patent: 4151135 (1979-04-01), McClain
patent: 4180490 (1979-12-01), Maclean
patent: 4233256 (1980-11-01), Ohnsorg
patent: 4434258 (1984-02-01), Schumacher et al.
"Rate-Controlled Extraction Unit for Removal of Organic Binders from Injection-Moulded Ceramics", Johnson et al., the Swedish Institute for Silicate Research (Before 1984), 6 pages.
"Rheological Properties of Highly Filled Polyolefin/Ceramic Systems Suited for Injection Molding", Litman et al., SPE Antec 22, pp. 549-551, (1976).

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