Cordierite honeycomb structural body and method for its producti

Details Cordierite honeycomb structural body and method for its producti Cordierite honeycomb structural body and method for its producti

1997-12-16

1999-12-07

Speer, Timothy

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

428118, 264630, 264631, B32B 1700

Patent

active

059979844

ABSTRACT:
There are provided thin-walled honeycomb structural bodies with high strength and excellent thermal shock resistance by using as the starting material for cordierite honeycomb structural bodies a combination of talc with a median particle diameter exceeding 7 .mu.m and not greater than 20 .mu.m and with a CaO content of 0.2 wt % or less and another cordierite material such as kaolin with a median particle diameter of not greater than 1 .mu.m, molding the starting material into a honeycomb shape with a cell wall thickness of 130 .mu.m or less, and firing the mold.

REFERENCES:
patent: 4280845 (1981-07-01), Matsuhisa et al.
patent: 4434117 (1984-02-01), Inoguchi et al.
patent: 4772580 (1988-09-01), Hamanaka et al.
patent: 4869944 (1989-09-01), Harada et al.
patent: 5030398 (1991-07-01), Hamanaka et al.

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