Low pressure injection moldable compositions

Details Low pressure injection moldable compositions Low pressure injection moldable compositions

1981-01-05

1982-02-02

Lilling, Herbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336A, 260 336UA, 260 4246, 260 4247, 260DIG31, 525 97, C08L 9100

Patent

active

043138675

ABSTRACT:
This invention relates to injection moldable type elastomeric compositions having improved physical and rheological properties. The compositions used for elastomeric articles include a styrene-ethylene/butylene-styrene block copolymer or compounds thereof, a neutralized sulfonated EPDM terpolymer and a non-polar process oil; and optionally a polypropylene thermoplastic resin.
These blend compositions can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment, especially on low pressure injection molding equipment into elastomeric articles having excellent physical properties and desirable rubbery characteristics.

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