Method of making polyethylene foam

Details Method of making polyethylene foam Method of making polyethylene foam

1977-01-31

1978-08-29

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 98, 521908, 260897B, 260901, 264DIG5, C08J 914

Patent

active

041102690

ABSTRACT:
A method of producing a low density polyethylene foam by extruding a melt blend containing polyethylene, an ionomer, a nucleating system and two expanding agents having substantially different vapor pressures and solubility in the melt blend.

REFERENCES:
patent: 3067147 (1962-12-01), Rubens et al.
patent: 3810964 (1974-05-01), Ehrenfruend

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