Thermally conductive polymer composition for a heat sink
AssigneeTicona LLC
InventorYoung Shin Kim
Life of this patent
Estimating the term…
Abstract
A polymer composition that contains a polyamide is provided. The composition exhibits a Charpy unnotched impact strength of about 5 kJ/m2 or more as measured at a temperature of 23° C. according to ISO Test No. 179-1:2010 and an in-plane thermal conductivity of about 15 W/m-K or more as determined in accordance with ASTM E 1461-13.
Claims11
A heat sink comprising a polymer composition, which comprises a polyamide and thermally conductive particulate material, wherein the thermally conductive material constitutes from about 20 wt. % to about 55 wt. % of the polymer composition, and wherein the polymer composition exhibits a Charpy unnotched impact strength of about 5 kJ/m2 or more as measured at a temperature of 23° C. according to ISO Test No. 179-1:2010 and an in-plane thermal conductivity of about 15 W/m-K or more as determined in accordance with ASTM E 1461-13.
A heat sink comprising a polymer composition, which comprises a polyamide and thermally conductive particulate material, wherein the polymer composition exhibits a Charpy unnotched impact strength of about 5 kJ/m2 or more as measured at a temperature of 23° C. according to ISO Test No. 179-1:2010, a tensile strength of 40 MPa or more as measured in accordance with ISO Test No. 527:2012, and an in-plane thermal conductivity of about 15 W/m-K or more as determined in accordance with ASTM E 1461-13.
A light assembly comprising a heat sink, the heat sink comprising a polymer composition which comprises a polyamide and thermally conductive particulate material, wherein the polymer composition exhibits a Charpy unnotched impact strength of about 5 kJ/m2 or more as measured at a temperature of 23° C. according to ISO Test No. 179-1:2010, a tensile strength of 40 MPa or more as measured in accordance with ISO Test No. 527:2012, and an in-plane thermal conductivity of about 15 W/m-K or more as determined in accordance with ASTM E 1461-13.
Dependencies are inferred from the claim text.