Radial block copolymers stabilized by a urea compound

Details Radial block copolymers stabilized by a urea compound Radial block copolymers stabilized by a urea compound

1974-09-30

1976-12-28

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 459NC, C08K 552

Patent

active

040002217

ABSTRACT:
Radial block copolymers of a monovinyl-substituted aromatic compound and a conjugated diene are rendered stable against melt flow drop off by the addition thereto of a stabilizer system which comprises (a) a hindered phenol (b) an organic phosphite and (c) a nitrogen containing compound.

REFERENCES:
patent: 2766219 (1956-10-01), Beaver
patent: 2781330 (1957-02-01), Downey
patent: 3355419 (1967-11-01), Cook
patent: 3355421 (1967-11-01), Cook
patent: 3535277 (1970-10-01), Miller
patent: 3629372 (1971-12-01), Drake
patent: 3658743 (1972-04-01), Bevilacqua

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