HEAT EXCHANGER

Japanese Patent JP2016061526

A

PROBLEM TO BE SOLVED: To improve the water repellency of a heat exchanger comprising a water-repellent base material having a hydrophobic coat formed on a hydrophilic layer.SOLUTION: A heat exchanger comprises: tubes 111 through which refrigerant flows; and fins 112 provided integrally with the tubes 111, at least either the tubes 111 or the fins 112 are constituted by a water-repellent base material 1 exhibiting hydrophobic properties on a surface thereof, the water-repellent base material 1 has a base substance 10 and a coating layer 11 covering the base substance 10, the coating layer 11 is formed by a plurality of layers that include a hydrophilic layer 12 provided on an interface with the base substance 10 and a hydrophobic coat 13 provided on an uppermost layer and exhibiting hydrophobic properties, and a peak intensity deriving from the hydrophobic coat 3 is higher than a peak intensity deriving from the hydrophilic layer 2 if the absorbance of the coating layer 11 is measured from the side of the water-repellent base substance 1 on which the hydrophobic coat 3 is provided by using an infrared spectrophotometer.SELECTED DRAWING: Figure 8

KAWAKITA MIKA
IWASE KATSUNORI
MATSUDA ATSUNORI
OKUNO TERUHISA

JP2014191678A

April 25, 2016

September 19, 2014

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DENSO CORP
UNIV TOYOHASHI TECHNOLOGY

F28F13/18; F25B39/00; F28D1/053; F28F1/32; F28F19/02; F28F21/08

JP2012237477A	2012-12-06
JP2011185590A	2011-09-22
JPH10281690A	1998-10-23
JP2013036733A	2013-02-21
JP2011529415A	2011-12-08
JP2003240487A	2003-08-27
JP2010159964A	2010-07-22

WO2003097527A1

2003-11-27

Patent Business Corporation Kaisei Patent Office

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