发明名称 BASE PAPER OF PROCESS RELEASE PAPER FOR PREPREG
摘要 <P>PROBLEM TO BE SOLVED: To provide process release paper free from wrinkle due to abnormally high friction and excellent for solvent resistance at the time of coating a release agent, with good size/shape stability while preventing slippage between a rubber roll and process paper and preventing the decrease of a line speed. <P>SOLUTION: Process release paper comprises kaolin, styrene-butadiene based copolymer latex, polyvinyl alcohol, starch and a water proof agent on both sides of multilayer base paper, which is obtained by the steps of: coating a coating layer in a coating amount of 5 to 20 g/m<SP POS="POST">2</SP>per one side on both sides of the paper; and further coating a silicone thereon. The coating layer comprises 10 to 50 weight parts of a styrene-butadiene based copolymer latex having a glass transition temperature of 0&deg;C or more on the basis of 100 weight parts of the kaolin. The aspect ratio of the kaolin is 40 to 70. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012092470(A) 申请公布日期 2012.05.17
申请号 JP20100242742 申请日期 2010.10.28
申请人 HOKUETSU KISHU PAPER CO LTD 发明人 KANEKO KOICHI;FUKUCHI KATSUHIKO
分类号 D21H27/00;D21H19/32 主分类号 D21H27/00
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