Organic nucleating agents that impart very high impact...

Details Organic nucleating agents that impart very high impact... Organic nucleating agents that impart very high impact...

2006-12-05

2006-12-05

Sanders, Kriellion (Department: 1714)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S396000, C524S400000, C560S116000, C560S117000, C560S118000, C560S120000, C560S125000, C560S126000, C560S127000

Reexamination Certificate

active

07144939

ABSTRACT:
The use of organic based nucleating agents to induce certain specific polymer orientations into the molded polypropylene articles such that the resultant part has improved stiffness-impact properties without sacrificing other attributes of the polypropylene is provided. Such results have been obtained through the utilization of low amount of organic nucleating compounds, including, without limitation, specific metal salts of hexahydrophthalic acid (hereinafter HHPA). Furthermore, such nucleating compounds have been found to impart, again in such low added amounts, heretofore unforeseen levels of b-axis crystalline orientation which translates into improved physical properties as well.

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