Raw paper of pressure-sensitive adhesive paper, manufacturing method thereof and pressure-sensitive adhesive composite paint used in manufacturing method
A pressure-sensitive adhesive and paper bonding technology, applied in paper coating, fiber raw material processing, papermaking, etc., to achieve high definition and good OCR adaptability.
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Embodiment 1
[0134] [Production of base paper for bi-fold (one side coated) pressure-sensitive adhesive paper]
[0135] As the non-peeling pressure-sensitive adhesive, select 100 parts by weight of natural rubber latex obtained by graft polymerization of natural rubber and methyl methacrylate; 48 parts by weight of amorphous silica in an amount of 130ml / 100g; as the second particulate filler, select 32 parts by weight of amorphous silica with a volume average particle diameter of 12 μm and an oil absorption of 200ml / 100g, and add them to water to fully disperse them. After adding and mixing 20 parts by weight of polyamide epichlorohydrin as a cationic ink fixer to the dispersion, 12.5 parts by weight of fully saponified polyvinyl alcohol as a binder was added and mixed, and an antifoaming agent was added and mixed. , thereby obtaining a coating material as a pressure-sensitive adhesive composition. The prepared coating was applied by the air knife method of the coater so that the coating ...
Embodiment 2
[0137] [Production of base paper for tri-fold (double-sided coated) pressure-sensitive adhesive paper]
[0138] As the non-peeling pressure-sensitive adhesive, select 100 parts by weight of natural rubber latex obtained by graft polymerization of natural rubber and methyl methacrylate; 48 parts by weight of amorphous silica in an amount of 130ml / 100g; as the second particulate filler, select 32 parts by weight of amorphous silica with a volume average particle diameter of 12 μm and an oil absorption of 200ml / 100g, and add them to water to fully disperse them. After adding and mixing 20 parts by weight of cationic polyurethane resin as a cationic ink fixer in this dispersion, adding and mixing 12.5 parts by weight of fully saponified polyvinyl alcohol as a binder, adding and mixing a defoamer, In this way, a coating material as an adhesive composition was obtained. The prepared coating was applied by the air knife method of the coater so that the coating amount was 6.0 g / m in ...
Embodiment 3
[0170] [Production of base paper for tri-fold (double-sided coated) pressure-sensitive adhesive paper]
[0171] As a non-peeling pressure-sensitive adhesive, select 100 parts by weight of natural rubber latex obtained by graft polymerization of natural rubber and methyl methacrylate; as the first particle filler, select a volume average particle diameter of 1.2 μm, an oil absorption 48 parts by weight of amorphous silica at 130ml / 100g; as the second particle filler, select 32 parts by weight of amorphous silica with a volume average particle diameter of 12 μm and an oil absorption of 200ml / 100g, and add them to water to fully disperse them. In this dispersion, as a cationic ink fixer, 20 parts by weight of polydiethylamine epichlorohydrin as a polyalkylamine epichlorohydrin polymer was added and mixed, and then a fully saponified polyoxyethylene as a binder was added and mixed. 12.5 parts by weight of vinyl alcohol was added and mixed with an antifoaming agent to obtain a coat...
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Abstract
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