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US 2014/0235740 A1Published application
Heat resistant polylactic acid compounds
AssigneePolyOne Corporation
InventorJing Liu
Life of this patent
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Abstract
A significant disadvantage of the use of polylactic acid (PLA), lack of good heat stability, has been overcome by the use of talc, optionally in combination with an acrylic impact modifier. The compound achieves a threshold of 100° C. in heat deflection temperature.
Claims15
A heat resistant, polylactic acid compound, comprising:
- (a) polylactic acid;
- (b) polycarbonate;
- (c) talc in an amount from about 2 to 9 weight percent of the compound;
- and optionally
- (d) acrylic impact modifier.
2 more elements
Dependencies are inferred from the claim text.