Modified polyhydroxyalkanoates for production of coatings and fi

Details Modified polyhydroxyalkanoates for production of coatings and fi Modified polyhydroxyalkanoates for production of coatings and fi

1998-09-18

2000-08-01

Nutter, Nathan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

560127, C08J 1100

Patent

active

060968109

ABSTRACT:
Compositions are provided which are useful in the production of polymeric products, such as coatings and films, which comprise branched PHA. The compositions of the invention comprise PHA and 0.001-0.5 wt. % of a free radical initiator. The invention further provides methods of using the compositions for the efficient and cost effective production of films and coatings by reducing draw resonance and neck-in behavior of extruded PHAs.

REFERENCES:
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Cavallaro, Pasquale et al. (1993) "Reactive blending of bioaffine polyesters through free-radical processes," Die Angewandie Makromolekulare Chemie 210:129-141.
de Konig, G. J. M. et al. (1994) "A biodegradable rubber by crosslinking poly(hydroxyalkanoate)from Pseudomonas oleovarans," Polymer35(10):2090-2097.
Grimaldi, M. et al. (1996) "Reactive processing--property relationships in biodegradable blends useful for prosthesis application," J. Mater. Sci. 31(23):6155-6162.
Immirzi, Barbara et al. (1994) ". . . Blending of Bioaffine Polyesters Through Free-Radical Processes Initiated by Organic Peroxides," Macromol Sympo. 78:242-258.
Scherer, Thomas M. et al. (1994) "Characterization and Enzymatic Degradation of a Cross-Linked Bacterial Polyester," J. of Environmental Polymer Degradation, 2(4):263-269.

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