Thermo-sensitive non-grain plate, manufacturing method for thermo-sensitive non-grain plate and application of thermo-sensitive non-grain plate
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A non-gritty, heat-sensitive technology, applied in printing plate preparation, printing surface preparation, printing plate, etc., can solve the problems of environmental pollution, plate cost increase, etc., to protect the environment, save power consumption, and meet the requirements of absorption Ink and environmental protection effect
Inactive Publication Date: 2014-02-19
BEIJING ZHONGKE NANO THINK PRINT TECH
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Problems solved by technology
A large amount of acid and alkali must be used to pretreat the aluminum plate during anodic oxidation, and the waste liquid of acid and alkali not only easily causes great pollution to the environment, but also increases the overall cost of the plate
Method used
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Embodiment 1
[0028] Zinc oxide with a particle size of 3000nm is evenly sprayed on an aluminum plate, and then a layer of thermal imaging composition is coated on the aluminum plate by a spin coating method, and dried to obtain a thermal non-gritty printing plate.
[0029] The thermal imaging composition is composed of 10g of 1-methoxyphenyl-3,5-bistrichloromethyl triazine, 80g of phenol-formaldehyde resin, 5g of methoxymethylated melamine, and 5g of molybdenum Cyan dye, composed of 0.5g of basic brilliant blue, finally added 500g of solvent cyclohexanone and mixed evenly.
Embodiment 2
[0031] Alumina with a particle size of 3000nm is uniformly dispersed in phenolic resin, and then coated on a copper plate, the mass ratio of alumina and phenolic resin is 1:10; finally, a layer of thermal imaging composition is coated on it by spin coating , drying, that is, a heat-sensitive non-gritty printing plate.
[0032] The thermal imaging composition is composed of 15g of 1-p-methoxystyryl-3,5-bistrichloromethyl triazine, 50g of poly-p-hydroxystyrene, 10g of methoxymethylated phenol resin, 3g of merocyanine dye, 1g of basic brilliant blue, and finally add 500g of solvent dichloromethane and mix evenly.
Embodiment 3
[0034] Evenly disperse zinc oxide with a particle size of 200nm in acrylic resin, and then coat it on an aluminum plate. The mass ratio of zinc oxide and acrylic resin is 1:6; finally, coat a thermal imaging layer on it by spin coating method. The composition is dried to obtain a heat-sensitive non-gritty printing plate.
[0035] The thermal imaging composition is composed of 20g of 1-p-methoxystyryl-3,5-bistrichloromethyl triazine, 70g of phenol-o-cresol-formaldehyde resin, and 5g of methoxymethylated Melamine, 5g of methoxymethylated phenol resin, 5g of merocyanine dye, 1g of malachite green, and finally add 500g of solvent methyl ethyl ketone and mix evenly.
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Abstract
The invention discloses a thermo-sensitive non-grain plate and a manufacturing method for the thermo-sensitive non-grain plate. The thermo-sensitive non-grain plate is formed by a support body, a hydrophilic layer and a thermo-sensitive layer, wherein the support body is coated with the hydrophilic layer and the thermo-sensitive layer in sequence. The surface of the support body is coated with nano-sized particles and/or micron-sized particles or combinations containing the nano-sized particles and/or the micron-sized particles, so that a hydrophilic coating is obtained and has proper roughness, and in this way the surface of a plate substrate has hydrophilicity and a water-retaining property. Due to the nano-sized and/ or the micron-sized hydrophilic particles in the hydrophilic layer, not only is the requirement for ink absorption satisfied, but also the abrasion resistance of the surface of the plate substrate is improved, and meanwhile the bonding force between the hydrophilic layer and the support body and the bonding force between the hydrophilic layer and the thermo-sensitive layer are both good. According to the thermo-sensitive non-grain plate, the manufacturing method for the thermo-sensitive non-grain plate and the application of the thermo-sensitive non-grain plate, an improvement is made to an existing thermo-sensitive plate, so that the performance of the existing thermo-sensitive plate is improved; moreover, the environmental pollution caused by acid and alkali waste liquid produced in the process of electrolyzing and oxidizing an aluminum plate by the existing thermo-sensitive plate is avoided, meanwhile, water consumption is saved by 70%, and power consumption is saved by about 50%.
Description
technical field [0001] The invention belongs to the technical field of printing plate preparation, and in particular relates to a heat-sensitive non-gritty printing plate and a preparation method thereof, which are applied in the printing field. Background technique [0002] There are three main types of digital printing technologies: silver halide technology, high-sensitivity technology, and the latest heat-sensitive technology. The digital offset printing plate made by heat-sensitive technology is called heat-sensitive plate. The photosensitive range of the thermal version is 830-1064nm, or even wider. The production process of the thermal plate is: plate base cleaning - degreasing - cleaning - electrolytic sand mesh - washing - ash removal - washing - oxidation - washing - sealing - washing - drying - coating solution - drying - cutting - Package. The working principle of the thermal plate is: when the infrared laser of the thermal plate-making machine scans the plate,...
Claims
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Application Information
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