BLACK SILANE PRIMER FOR IMPROVING ADHESION OF ADHESIVE TAPE TO GLASS SURFACE

Japanese Patent JP2014205835

A

PROBLEM TO BE SOLVED: To provide a primer which comprises a mixture dissolved or dispersed in one or more solvents, and can successfully facilitate adhesion between a pressure-sensitive adhesive tape and a hydrophilic surface, in particular glass and ensures a good coloration of the primer allowing an opaque primer layer to be obtained.SOLUTION: The primer comprises a mixture dissolved or dispersed in one or more solvents. The mixture is composed of: a copolymer; one or more organofunctional silanes; and a metal complex-based dye or a spinel-type metal oxide dye. The copolymer comprises vinylcaprolactam and/or vinylpyrrolidone, and one or more of the following monomers: a) an acrylic acid ester of a linear primary alcohol containing 2 to 10 carbon atoms in the alkyl group of the alcohol, b) an acrylic acid ester of a branched, non-cyclic alcohol having 4 to 12 carbon atoms in the alkyl group of the alcohol, and c) acrylic acid, and is obtained through the copolymerization, preferably the radical copolymerization of the vinylcaprolactam and/or vinylpyrrolidone and the monomer.

SCHUEMANN UWE
SEBASTIAN DIETZE
ELLRINGMANN KAI
MARCO KUPSKY
THILO DOLLASE

JP2014080708A

October 30, 2014

April 10, 2014

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TESA SE

C09D139/04; C08F26/06; C09D5/00; C09D7/61; C09D133/04; C09J7/50; C09J11/06; C09J133/04; C09J139/04

JPH11508296A	1999-07-21
JPH11508297A	1999-07-21
JPH09507524A	1997-07-29
JPH01203486A	1989-08-16
JP2005153471A	2005-06-16
JP2010265456A	2010-11-25
JP2005239805A	2005-09-08
JPS6015478A	1985-01-26
JPS6173780A	1986-04-15

WO2012041708A1

2012-04-05

Mitsufumi Ezaki
Minoru Kajisawa
Yoshinori Uenishi
Ichiro Torayama

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