Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1997-08-06
2000-09-26
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
528502R, 525 95, 525 98, 524395, 524575, C08K 542, C08L 2304
Patent
active
061244287
ABSTRACT:
Melt processed linear polyethylenes which may optionally contain an elastomer, are shown to exhibit improved processability through the addition of certain surfactants. Among the melt processing parameters improved are reduced head pressure, reduced torque, reduced motor load, reduced or eliminated melt fracture, or combinations of these parameters. The surfactants can be chosen from a non-aromatic alkyl sulfonate or sulfate salt wherein a cation of the salt is selected from the group consisting of Na, K, Li, and other alkali cations and quaternary ammonium cations, said surfactant being essentially free of halogens.
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Hackh's Chemical Dictionary, 4th ed., McGraw-Hill, N.Y., p. 27, 1969.
Encyclopedia of Polymer Science & Technology, vol. 8, John Wiley & Sons (1968) pp. 573-575.
Kirk-Othmer Encyclopedia of Chemical Technology, vol. 22, John Wiley & Sons (1983) p. 352.
Chludzinski James Joseph
Erderly Thomas Craig
Peiffer Dennis George
Schmieg Joel Edward
Exxon Chemical Patents Inc
Miller Douglas W.
Reid Frank E.
Teskin Fred
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