Shrinkable fiber for porous molded body
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United States of America Patent
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Jan 31, 2017
Grant Date -
Jun 27, 2013
app pub date -
Feb 21, 2013
filing date -
Aug 31, 2007
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Abstract
To provide an add-in material to be added to a porous molded body base, the add-in material being capable of developing a pore of appropriate size efficiently without degrading the formability and productivity of a porous molded body, particularly a porous fired body when producing the porous molded body. A shrinkable fiber composed of a thermoplastic resin and to be dispersed in a base of a porous molded body, particularly a porous fired body, wherein the shrinkable fiber has a fiber diameter of 10 to 40 μm, a fiber length of 1 to 20 mm, and a dry-heat shrinkage percentage of at least 8% when subjected to heat treatment at 80° C. for 5 minutes.
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