Low-density, high strength aramid boards

Details Low-density, high strength aramid boards Low-density, high strength aramid boards

1991-02-28

1992-02-18

Chin, Peter

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162132, 162146, 162149, 1621573, 162206, 162225, D21H 1326

Patent

active

050890883

ABSTRACT:
Flash expansion of moist multi-layered boards wherein each layer comprises aramid floc bonded by aramid fibrid results in high strength, low density aramid boards.

REFERENCES:
patent: 3756908 (1973-09-01), Gross
patent: 3880705 (1975-04-01), Tilburg
patent: 4515656 (1985-05-01), Memeger, Jr.
patent: 4595457 (1986-06-01), Nishiyama et al.
patent: 4752355 (1988-06-01), Provost
patent: 4888091 (1989-12-01), Nollen et al.

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