Molded article of foamed and expanded beads of propylene resin

Details Molded article of foamed and expanded beads of propylene resin Molded article of foamed and expanded beads of propylene resin

1999-06-10

2000-03-07

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264DIG15, 264DIG16, 521 56, 521 58, C08J 924, C08J 9232

Patent

active

060341440

ABSTRACT:
Disclosed herein is an molded article of foamed and expanded beads of a propylene resin, which is obtained by heating and molding the foamed beads of the propylene resin, wherein the apparent density of the molded article is 0.11 to 0.45 g/cm.sup.3, a value obtained by dividing its maximum bending strength (kgf/cm.sup.2) determined in accordance with JIS K 7221 by the apparent density (g/cm.sup.3) is at least 160 (kgf/cm.sup.2)/(g/cm.sup.3), and the average number of cells at its section is within a range of 5 to 100 cells/mm.sup.2.

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