Easily degradable star-block copolymers

Details Easily degradable star-block copolymers Easily degradable star-block copolymers

1994-04-21

1995-03-21

Acquah, Samuel A.

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

Synthetic resins

From carboxylic acid or derivative thereof

525413, 525415, C08G 6308

Patent

active

053996666

ABSTRACT:
Star-block copolymers containing polycaprolactone and polylactide blocks of limited molecular weight are tough, easily degradable polymers. Such copolymers, which are noncrystalline and have glass transition temperatures near or below room temperature, are useful in many packaging and other applications.

REFERENCES:
patent: 5028667 (1991-07-01), McLain et al.
patent: 5210108 (1993-05-01), Spinu
patent: 5225521 (1993-07-01), Spinu
patent: 5292859 (1994-03-01), Ford et al.
Grijpma, D. W. et al, Makromol. Chem. Rapid. Commun., 14, 155-161, 1992.

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