Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets
Patent
1991-05-07
1993-01-05
Chin, Peter
Paper making and fiber liberation
Processes and products
Multi-layer waterlaid webs or sheets
162128, 162129, 162145, 162152, 1621641, 1621681, 1621816, 162183, D21H 1344
Patent
active
051767945
ABSTRACT:
One or more layers of a sheet comprising (1) 60% to 99%, based on the weight of solids, of vermiculite delaminated by mechanical means only, (2) 1% to 40%, based on the weight of solids, of at least one fibrous material and (3) 0.1% to 4%, based on the weight of the vermiculite, of at least one flocculating agent, can be used to protect heat-sensitive substrates such as resin matrix composites from fire or heat.
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Conner Herbert T.
Dumas David H.
Nelson Lawrence L.
Chin Peter
Hercules Incorporated
Patterson Joanne W.
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