Polyethers stabilized with 6-chromanol derivatives

Details Polyethers stabilized with 6-chromanol derivatives Polyethers stabilized with 6-chromanol derivatives

1992-09-23

1993-06-08

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521170, 521174, 524751, 528 48, 568701, C08V 902

Patent

active

052180085

ABSTRACT:
6-chromanol derivatives are used as antioxidants in polyethers. These, particularly in conjunction with other antioxidants, provide excellent protection against oxidation at very low levels of use. They are particularly useful in polyethers for preparing polyurethane slabstock foam.

REFERENCES:
patent: 4584253 (1986-04-01), Lin et al.
patent: 4599286 (1986-07-01), Limberg et al.
patent: 5053316 (1991-10-01), Suzuki et al.

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