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Publication of MY142003ApublicationCriticalpatent/MY142003A/en
A SPECIFIC RELATIONSHIP MUST BE SATISFIED IN CASE OF: (A) A STRUCTURAL UNIT CONTAINING 100 TO 85 MOLE % DERIVED FROM PROPYLENE AND 0 TO 15 MOLE % DERIVED FROM ETHYLENE AND/OR ALPHA-OLEFIN HAVING 4 TO 20 CARBONS; (B) THE CONTENT OF POSITION IRREGULARITY UNITS FORMED BY 2, 1-INSERTIONS OF PROPYLENE MONOMER UNITS WITH RESPECT TO ALL PROPYLENE INSERTIONS IS 0.5% TO 2.0% AS MEASURED BY 13C-NMR AND THE CONTENT OF POSITION IRREGULARITY UNITS FORMED BY 1,3-INSERTIONS OF PROPYLENE MONOMER UNITS WITH RESPECT TO ALL PROPYLENE INSERTIONS IS 0.005% TO 0.4% AS MEASURED BY 13C-NMR; AND (C) THE WATER VAPOR TRANSMISSION RATE, WHICH IS Y [G/M2/24 HR] AS A FILM, AND THE MELTING POINT TM[°C] EXHIBIT A SPECIFIC RELATIONSHIP.
MYPI200324402002-09-022003-06-27Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding
MY142003A
(en)