Tack-free polymer pellets

Details Tack-free polymer pellets Tack-free polymer pellets

1983-12-19

1985-04-09

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 520

Patent

active

045102813

ABSTRACT:
Certain N,N'-ethylenebisamides and N,N'-diadipamides added to ethylene/vinyl acetate dipolymers, terpolymers of ethylene with carbon monoxide, copolymers of ethylene with methacrylic acid, copolymers of ethylene with methyl methacrylate, and terpolymers of ethylene with n-butyl acrylate and carbon monoxide remarkably reduce the tendency of polymer pellets to block. Free-flowing copolymer pellets can be handled without blocking and moved more quickly through the packing equipment and can be stored for extended periods without blocking. Copolymer pellets containing these additives can be packed into large containers and shipped without blocking. The preferred additive is N,N'-ethylenebisoleamide.

REFERENCES:
patent: 3165492 (1965-01-01), Tholstrup
patent: 3407162 (1968-10-01), Rundle
patent: 3645822 (1972-02-01), Widiger
patent: 3969304 (1976-07-01), Pugh

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