Thermoforming mold, thermoformed article and process for producing same, and laminated molding article and process for producing same
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United States of America Patent
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app pub date -
Jan 13, 2005
filing date -
Dec 27, 1999
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Abandoned
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Abstract
There is provided: (1) a thermoforming mold having a surface roughness (Ra) of not more than 0.1 .mu.m; (2) a thermoformed article comprising a crystalline olefin resin, which article has a surface roughness (Ra) of not more than 3 .mu.m; (3) a process for producing a thermoformed article, which comprises the steps of: (i) heating and softening a crystalline olefin resin to obtain a sheet thereof; and (ii) thermoforming the sheet with a thermoforming mold having a surface roughness (Ra) of not more than 0.1 .mu.m to obtain a thermoformed article having a surface roughness (Ra) of not more than 3am; (4) a laminated molding article, which comprises: (i) the above thermoformed article; and (ii) a substrate containing a crystalline olefin resin; and (5) a process for producing a laminated molding article.
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