公开(公告)号：EP1245622A1

公开(公告)日：2002-10-02

申请号：EP02290773.7

申请日：2002-03-27

申请人： Nippon Paint Co., Ltd. ,  Denso Corporation

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

IPC分类号： C08K3/32 ,  C08K3/38 ,  C09D129/04 ,  C09D171/02 ,  F28F19/04 ,  F28F13/04

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/m 2 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, R 1 represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, and R 2 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包括在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，其中用于防锈处理后的亲水性改性剂，其中所述亲水性改性剂包括改性聚乙烯 在其侧链上具有由式（I）表示的基团的醇（A）：式中的，n表示1〜500的整数，R 1表示氢原子或烷基 含有1至4个碳原子，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的硼化合物的组分（B） 和Zn，所述式（I）表示的基团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％。