Costabilizers for molding compositions based on polymers of viny

Details Costabilizers for molding compositions based on polymers of viny Costabilizers for molding compositions based on polymers of viny

1990-09-26

1991-09-17

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 97, 524 99, 524104, 524382, 524399, 524502, 524514, C07D49810

Patent

active

050496026

ABSTRACT:
Costabilizers which are composed of pyrroles and/or dihydropyridines and/or copolymers of oxazolines and bisoxazolines and/or polyols enhance the stabilizing effect of primary stabilizers such as polyoxazolines and zinc compounds in thermoplastic molding compositions, such as those based on polymers of vinyl chloride.

REFERENCES:
patent: 4267083 (1981-05-01), Torloting
patent: 4369276 (1983-01-01), Wirth
patent: 4515916 (1985-05-01), Molt
patent: 4755549 (1988-07-01), Kemper et al.

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