THERMALLY CONDUCTIVE AND DIMENSIONALLY STABLE LIQUID CRYSTALLINE POLYMER COMPOSITION
First Claim
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1. A thermally conductive polymer composition, comprising:
- (a) less than 44 weight percent of at least one liquid crystalline polymer;
(b) about 10 to about 40 weight percent of graphite flake,(c) about 10 to about 35 weight percent of talc having an average particle size between 10 μ
m and 100 μ
m,(d) about 6 to about 25 weight percent of fibrous filler having an aspect ratio of between 3 and 20,wherein the ratio of (b) to (c) is between 30 to 70 and 80 to 20 by weight percent, and wherein the weight percentages are based on the total volume of the composition, and wherein the composition has a thermal conductivity of at least about 3 W/m·
K.
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Abstract
A thermally conductive polymer composition is disclosed including liquid crystalline polymer; graphite, talc and low aspect fibrous filler. The composition has a thermal conductivity of at least about 3 W/m·K.
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Citations
8 Claims
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1. A thermally conductive polymer composition, comprising:
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(a) less than 44 weight percent of at least one liquid crystalline polymer; (b) about 10 to about 40 weight percent of graphite flake, (c) about 10 to about 35 weight percent of talc having an average particle size between 10 μ
m and 100 μ
m,(d) about 6 to about 25 weight percent of fibrous filler having an aspect ratio of between 3 and 20, wherein the ratio of (b) to (c) is between 30 to 70 and 80 to 20 by weight percent, and wherein the weight percentages are based on the total volume of the composition, and wherein the composition has a thermal conductivity of at least about 3 W/m·
K. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification