NON-CONTACT TYPE ANTIFOULING COATING FILM REMOVING PROCESS USING HIGH PRESSURE SPRAY NOZZLE

Japanese Patent JP2005007284

A

To provide a car washing method by which soiling can be easily removed by spraying with high pressure water without using a car wash brush.

An antifouling coating film containing a polymer which has an acid number of 50 to 500 and which is expressed by formula (1) is applied onto a coated surface. After being fouled, the antifouling coating film is made to react with an alkali cleaner and then the antifouling coating film is removed by using a high pressure spray nozzle in a noncontacting manner. In formula (1), R1 is hydrogen or methyl group, R2 is methyl group or cyano group, R3 and R4 are respectively hydrogen or methyl group, R5 is a group selected from the group consisting of a 1-18C alkyl group, a 6-12C cycloalkyl group, glycidyl group, amido group, hydroxyethyl group and hydroxypropyl group and further (a) is an integer of 0 to 6, (b) is an integer of 1 to 10, (c) is an integer of 5 to 300, (l) is an integer of 1 to 50, (m) is an integer of 5 to 500 and (n) is an integer of 5 to 500.

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ARIMOTO KUNIO
NISHIDA HIDEO
WAKAO HIDEKI
KOBAYASHI AKIO

JP2003174180A

January 13, 2005

June 19, 2003

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ISHIHARA CHEMICAL CO LTD

B08B3/08; B08B3/02; C09D9/00; C09D133/04; C09D151/08; C09D183/10; C09K3/00; C11D3/04; C11D7/10; C11D7/12; C11D7/14; C11D7/16; (IPC1-7): B08B3/08; B08B3/02; C09D9/00; C09D133/04; C09D151/08; C09D183/10; C09K3/00; C11D3/04; C11D7/10; C11D7/12; C11D7/14; C11D7/16

Osamu Nakano

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