Moldable pulp material and method of manufacturing molded pulp product
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United States of America Patent
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Jul 28, 1998
Grant Date -
N/A
app pub date -
Jul 2, 1996
filing date -
Jul 3, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A moldable pulp material, which contains a main constituent of pulp comprising strips of paper having a size of millimeters and a fibrous component defibrated from waste paper, a starch binder in which a portion of the hydroxyl group in molecules of starch is modified, and thermally expandable hollow particles, is mixed with water which is effective to gelatinize the starch binder. The moldable pulp material is filled in a mold assembly and compressed in the mold assembly. The compressed moldable pulp material is then heated to at least a gelatinization temperature at which the starch binder is gelatinized, for thereby gelatinizing the starch binder to produce a molded pulp product for use as a shock absorbing material.
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