Cation-polymerizable adhesive and polarizing plate using the same
A cationic polymerization and adhesive technology, applied in the direction of polyether adhesives, non-polymer adhesive additives, adhesive types, etc., can solve the problems of polarizer and protective film peeling, normal adhesive strength reduction, etc. , to achieve the effect of excellent abnormal bond strength
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Embodiment 1
[0159] In a closed planetary mixer, 20.0 parts by mass of a compound (B-1) containing a glycidyl ether group and 20.0 parts by mass of a compound (B'-4) containing a glycidyl ether group, 35.0 parts by mass of ARON OXETANE OXT-221 (bis[1-ethyl(3-oxetanyl)] methyl ether manufactured by Toagosei Co., Ltd.) and 25.0 parts by mass of ARONOXETANE OXT-101 (3-hydroxymethyl-3- ethyloxetane) and 4 parts by mass of CPI-100P (diphenyl-4-(phenylthio)phenylsulfonium hexafluorophosphate manufactured by San-Apro Ltd. salt (50% by mass propylene carbonate solution) was mixed and stirred to prepare a cationically polymerizable binder (1). When the chlorine content contained in the total amount of the obtained cationically polymerizable binder (1) was determined by the method described later, it was 247 ppm.
Embodiment 2
[0161] In a closed planetary mixer, 20.0 parts by mass of a compound (B-1) containing a glycidyl ether group and 20.0 parts by mass of a compound (B'-3) containing a glycidyl ether group, 35.0 parts by mass of ARON OXETANE OXT-221 (bis[1-ethyl(3-oxetanyl)] methyl ether manufactured by Toagosei Co., Ltd.) and 25.0 parts by mass of ARONOXETANE OXT-101 (3-hydroxymethyl-3- ethyloxetane) and 4 parts by mass of CPI-100P (diphenyl-4-(phenylthio)phenylsulfonium hexafluorophosphate manufactured by San-Apro Ltd. A 50% by mass propylene carbonate solution of salt) was mixed and stirred to prepare a cationically polymerizable binder (2). The chlorine content contained in the total amount of the obtained cationically polymerizable binder (2) was determined by the method described later, and it was 219 ppm.
Embodiment 3
[0163]In a closed planetary mixer, 20.0 parts by mass of a compound (B-2) containing a glycidyl ether group and 20.0 parts by mass of a compound (B'-3) containing a glycidyl ether group, 35.0 parts by mass of ARON OXETANE OXT-221 (bis[1-ethyl(3-oxetanyl)] methyl ether manufactured by Toagosei Co., Ltd.) and 25.0 parts by mass of ARONOXETANE OXT-101 (3-hydroxymethyl-3- ethyloxetane) and 4 parts by mass of CPI-100P (diphenyl-4-(phenylthio)phenylsulfonium hexafluorophosphate manufactured by San-Apro Ltd. A 50% by mass propylene carbonate solution of salt) was mixed and stirred to prepare a cationically polymerizable binder (3). When the chlorine content contained in the total amount of the obtained cationically polymerizable binder (3) was determined by the method described later, it was 211 ppm.
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