Polymer containing lactic acid as its constituting unit and meth

Details Polymer containing lactic acid as its constituting unit and meth Polymer containing lactic acid as its constituting unit and meth

1994-08-03

1997-04-08

Dodson, Shelley A.

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

Synthetic resins

From carboxylic acid or derivative thereof

525408, 525411, 525413, 525415, 528354, 528480, C08G 6308, C08F 600

Patent

active

056189117

ABSTRACT:
A polymer having a blocked terminal group according to the present invention, represented by the following Formula (I): ##STR1## where R is an alkylene group containing 1 to 20 carbon atoms; X.sub.1 is an acyl group containing 2 to 50 carbon atoms; Y is H, an alkyl group containing 1 to 50 carbon atoms or an alkenyl group containing 1 to 50 carbon atoms; m is a positive integer; and n.sub.1 is 0 or a positive integer.

REFERENCES:
patent: 5484882 (1996-01-01), Takada
Grijpma et al., "Polymerization Temperature Effects on the Properties of L-lactide and .epsilon.-caprolactone Copolymers", Polymer Bulletin 25, pp. 335-341 (1991).

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