Opaque and pearlescent, laminated and stretched products, and method for making them
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United States of America Patent
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-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Sep 14, 1990
filing date -
Sep 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An opaque and pearlescent, laminated and stretched product comprises a layer (A) and a layer (B) overlaid on and laminated by melt-adhesion to at least one side of the layer (A). The layer (A) forms a uniform layer comprising 97 to 70% by weight of a crystalline polypropylene and 3 to 30% by weight of a cyclopentadiene type petroleum resin having a softening point of 160.degree. C. or higher and stretched in at least one direction. The layer (B) comprising a crystalline polypropylene whose crystalline melting point is higher or lower than that of the crystalline polypropylene forming the layer (A) by less than 10.degree. C.
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