Non-crosslinked linear low density polyethylene preexpanded part

Details Non-crosslinked linear low density polyethylene preexpanded part Non-crosslinked linear low density polyethylene preexpanded part

1998-12-10

1999-08-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 59, 521 60, C08J 922

Patent

active

059425512

ABSTRACT:
Resin particles made from a resin mixture of 30 to 70 wt % of a linear low-density polyethylene I having a resin density of 0.930 to 0.935 g/cm.sup.3 and an MI of 1 g/10 minutes or higher and 70 to 30 wt % of a linear low-density polyethylene II having a resin density of 0.915 to 0.925 g/cm.sup.3 and an MI of 2 g/10 minutes or higher are impregnated under pressurization with a volatile expansion agent, and released into a low-pressure atmosphere to yield non-crosslinked linear low density polyethylene preexpanded particles, which, when subjected to expansion molding inside a mold, exhibit good moldability, and yield molded articles that have an attractive external appearance and exhibit outstanding cushioning properties.

REFERENCES:
patent: 5459169 (1995-10-01), Tokoro et al.

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