Thermally conductive sheet and method for producing same
AssigneeSekisui Chemical Co., Ltd.
InventorsKouji ASHIBA, Kenta KUROO
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Abstract
A heat conductive sheet (10) of the present invention includes a heat conductive layer (12) including a polymer matrix and a heat conductive filler, and a pressure-sensitive adhesive layer (11) provided on a surface of the heat conductive layer, wherein a pressure-sensitive adhesive (13) forming the pressure-sensitive adhesive layer permeates into the heat conductive layer. According to the present invention, it is possible to provide a heat conductive sheet having good adhesion to an adherend, a low thermal resistance value, and excellent heat dissipation.
Claims15
A heat conductive sheet comprising a heat conductive layer comprising a polymer matrix and a heat conductive filler, and a pressure-sensitive adhesive layer provided on a surface of the heat conductive layer, a pressure-sensitive adhesive forming the pressure-sensitive adhesive layer permeating into the heat conductive layer.
A heat conductive sheet comprising a heat conductive layer comprising a polymer matrix and a heat conductive filler, and a pressure-sensitive adhesive layer provided on a surface of the heat conductive layer, a pressure-sensitive adhesive forming the pressure-sensitive adhesive layer being localized inside the heat conductive layer.
A method for producing a heat conductive sheet, comprising the steps of:
- mixing at least a curable polymer composition, a heat conductive filler, and a volatile substance to obtain a mixed composition;
- curing the mixed composition to obtain a cured product;
- heating the cured product to volatilize the volatile substance;
- applying a pressure-sensitive adhesive to a surface of the cured product;
- and
- allowing the applied pressure-sensitive adhesive to permeate into the cured product.
Dependencies are inferred from the claim text.