Polymers with improved properties and process therefor

Details Polymers with improved properties and process therefor Polymers with improved properties and process therefor

1974-07-10

1977-01-04

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 42, 260876R, 260878R, C08K 714, C08K 304, C08F25502, C08F25508

Patent

active

040011720

ABSTRACT:
Modified polymers, particularly polyolefins having improved flow and in some instances improved adhesion properties over that of a polymeric, e.g. polyolefin, base stock used as a starting material, are produced by a controlled reaction often involving degradation in an extruder, in which an initiator is injected under conditions of either maximum distribution or intensive mixing wherein appreciable rheological, i.e. molecular weight distribution, changes in said base polymer occur. In some embodiments monomers are also grafted to said base stock, during said degradation process. In such instances, exceptional, novel, grafted polymers with high melt flow properties and other useful properties are obtained.

REFERENCES:
patent: 3830888 (1974-08-01), King
patent: 3856889 (1974-12-01), McConnell
patent: 3862265 (1975-01-01), Steinkamp et al.
patent: 3862266 (1975-01-01), McConnell et al.

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