PROTECTION FILM FOR GLASS PROCESSING

Japanese Patent JP2014125393

A

PROBLEM TO BE SOLVED: To provide a protection film for glass processing, which is hardly detached during processing and easily detached after completion of processing.SOLUTION: A water-dispersed cerium oxide slurry as abrasive material is poured onto a revolving glass lens held by a holding member made of polymethylene, so that one side of the lens is polished with a grindstone. After completion of polishing the one side, the lens is washed and dried. To a non-polished side of the lens, a protection film for glass processing which contains styrene-acrylic copolymer resin emulsion is applied with a spray, so as to have a dried film thickness of 50 μm. The lens is then dried in a thermostat at 50°C for 10 minutes, and cooled to room temperature. Subsequently the surface applied with the protection film for glass processing is fitted to the inner face of the holding member so as to be held. The water-dispersed cerium oxide slurry as abrasive material is poured onto the revolving glass lens thereby held, so that the other side of the lens is polished with a grindstone. The lens applied with the protection film for glass processing is then immersed in hot water at 80°C for 5 minutes.

HATTORI EMI

JP2012284223A

July 07, 2014

December 27, 2012

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KIKUSUI KAGAKU KOGYO KK

C03C19/00; C08L33/02; C09D5/02; C09D5/20; C09D9/00; C09D125/08; C09D133/00; B24B13/005

JPS4916532B1	1974-04-23
JPS5067845A	1975-06-06
JP2011516392A	2011-05-26
JP2007098582A	2007-04-19
JP2003504227A	2003-02-04
JP2006291049A	2006-10-26
JPS4916532B1	1974-04-23
JPS5067845A	1975-06-06
JP2011516392A	2011-05-26
JP2007098582A	2007-04-19
JP2003504227A	2003-02-04
JP2006291049A	2006-10-26

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