Process for the stabilization of spherically polymerized polyole

Details Process for the stabilization of spherically polymerized polyole Process for the stabilization of spherically polymerized polyole

1986-04-25

1987-11-24

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523223, 524 96, 524 99, 524100, 524161, 524243, 524244, 524245, 524236, 524251, 524291, C08K 517, C08K 532, C08K 534

Patent

active

047089792

ABSTRACT:
Spherically polymerized polyolefins can be advantageously stabilized by being treated with at least one emulsion or dispersion containing a stabilizer or a mixture of stabilizers and an amine of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.20 alkyl which may be substituted by --OH, or is C.sub.3 -C.sub.50 alkyl which is interrupted by one or more oxygen atoms, or is C.sub.1 -C.sub.8 alkoxy, and each of R.sub.2 and R.sub.3 independently of the other is hydrogen or has one of the meanings indicated for R.sub.1, or R.sub.2 and Rphd 3, together with the nitrogen atom to which they are attached, form a 5- to 7-membered heterocyclic ring.

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