公开(公告)号：US06659171B2

公开(公告)日：2003-12-09

申请号：US10105421

申请日：2002-03-26

申请人： Toshio Inbe ,  Susumu Maekawa ,  Akira Ushio ,  Koichi Saito ,  Norizumi Matsui ,  Osamu Kasebe ,  Kengo Kobayashi ,  Hiroyoshi Sugawara ,  Kazuhisa Uchiyama

发明人： Toshio Inbe ,  Susumu Maekawa ,  Akira Ushio ,  Koichi Saito ,  Norizumi Matsui ,  Osamu Kasebe ,  Kengo Kobayashi ,  Hiroyoshi Sugawara ,  Kazuhisa Uchiyama

IPC分类号： F28F1318

CPC分类号： C09D129/04 ,  C08K3/32 ,  C08K3/38 ,  C08L29/04 ,  C08L71/02 ,  C08L2205/02 ,  F28D17/005 ,  F28F13/18 ,  F28F2245/02 ,  C08L2666/04 ,  C08L2666/14

摘要： A hydrophilic modification method comprising a step of forming a coat having a solid coat amount of 0.02 to 3 g/m2 on a heat exchanger with a modifier for hydrophilicity after treatment for rust prevention thereof wherein said modifier for hydrophilicity comprises a modified polyvinyl alcohol (A) having, on a side chain thereof, a group represented by the formula (I): in the formula, n represents an integer of 1 to 500, R1 represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, and R2 represents a hydrogen atom or a methyl group, and at least one member (B) selected from the group consisting of phosphorus compound salts and boron compound salts of Ca, Al, Mg, Fe and Zn, said group represented by the formula (I) accounting for 0.01 to 20 mole percent relative to hydroxyl and acetoxy groups contained in said modified polyvinyl alcohol.

摘要翻译： 一种亲水性改性方法，其特征在于，在具有用于防锈处理后的亲水性改性剂的热交换器上形成具有0.02〜3g / m 2的固体涂层量的涂层的步骤，其中所述亲水性改性剂包含改性聚乙烯醇 A）在其侧链上具有由式（I）表示的基团：在该式中，n表示1〜500的整数，R 1表示氢原子或含有1〜4个碳的烷基 原子，R 2表示氢原子或甲基，以及至少一种选自磷化合物盐和Ca，Al，Mg，Fe和Zn的硼化合物的组分（B），所述基团 由式（I）表示，相对于所述改性聚乙烯醇中所含的羟基和乙酰氧基为0.01〜20摩尔％。