Method of preparing polyolefin resin paper
Abstract
Abstract A METHOD OF PREPARING AN OPAQUE AND WHITE POLYOLEFIN RESIN PAPER COMPRISING THE STEPS OF: KNEADING A MEMBER SELECTED FROM THE GROUP CONSISTING OF GYPSUM, CALCIUM SULFATE HEMIHYDRATE AND SOLUBLE ANHYDRITE AS THE FILLER WITH A POLYOLEFIN RESIN, SUBJECTING THUS KNEADED RESIN TO SHEET-OLDING, AND SUBSEQUENTLY HYDRATING SAID FILLER BY MEANS OF BRINGING THE RESULTANT SHET INTO CONTACT WITH WATER; AND A METHOD OF IMPARTING PAINTABLE AS WELL AS PRINTABLE PROPERTIES TO SID OPAQUE AND WHITE POLYOLEFIN RESIN PAPER COMPRISING THE STEPS OF: KNEADING CALCIUM SULFITE, IN ADDITION TO SAID FILLER, WITH A POLYOLEFIN RESIN SUBJECTING THUS KNEADED RESIN TO SHEET-MOLDING AND DIPPING IN WATER, AND SUBSEQUENTLY BRINGING THE RESULTANT SHEET INTO CONTACT WITH AN INORGANIC ACID.
Inventors
- 👤 Rinnosuke Susuki
- 👤 Hiroshi Hoshi
- 👤 Jiro Saito
- 👤 Hitoshi Iida
- 👤 Humio Ito
Bibliographic Details
Claims Analysis
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