Biodegradable ethylene polymer having ester bonds in the main ch

Details Biodegradable ethylene polymer having ester bonds in the main ch Biodegradable ethylene polymer having ester bonds in the main ch

1993-01-25

1994-11-22

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525353, 5253591, 525386, 528272, 528279, 528293, C08G 6312

Patent

active

053670337

ABSTRACT:
An ethylene polymer which Is capable of being degraded by microorganisms is provided which comprises a recurring unit represented by the general formula ##STR1## in which R is a divalent hydrocarbon group containing 2 to 20 carbon atoms, R' is a divalent hydrocarbon group containing 1 to 20 carbon atoms and A is a polyethylene segment comprising a recurring unit represented by the formula --CH.sub.2.CH.sub.2 -- and having a number average molecular weight (Mn) of 300 to 300,000, and the ethylene polymer having a number average molecular weight (Mn) of 500 to 5,000,000.

REFERENCES:
patent: 2589687 (1952-03-01), Flory
patent: 2801189 (1957-07-01), Collier

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