Vacuum aluminum plating transferring ultraviolet-curable coating
A technology of curing coatings and vacuum aluminum plating, applied in the direction of coatings, etc., can solve the problems of reduced transfer performance, poor adhesion of aluminum plating, etc., to achieve excellent wear resistance, good solvent resistance, and widened application range.
Active Publication Date: 2015-05-06
SHANGHAI WEIKAI CHEM
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Problems solved by technology
Based on a large number of experimental tests, we also found that the first difficulty in developing UV-type vacuum aluminized transfer coatings is how to obtain good transferability and aluminized adhesion at the same time, especially the commercially available single epoxy or polyurethane resin system, when the transfer performance is good, the adhesion of the aluminum plating is poor, and the transfer performance decreases when the adhesion of the aluminum plating is improved
Method used
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Embodiment 1～5
[0030] The present examples 1-5 relate to vacuum aluminized transfer UV-curable coatings, the components and parts by weight of which are listed in Table 1 below.
[0031] Table 1
[0032]
[0033]
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Abstract
The invention provides a vacuum aluminum plating transferring ultraviolet-curable coating which comprises the following components in parts by weight: 30-50 parts of a polyurethane acrylate oligomer, 5-15 parts of an epoxy acrylate oligomer, 5-15 parts of a polyesteracrylate oligomer, 30-50 parts of a bifunctionality diluted monomer, 3-10 parts of a photoinitiator and 0-1 part of assistants. Compared with existing solvent transferring coatings and common UV coatings, the coating provided by the invention has extremely good solvent resistance, remarkable hardness and wear resistance and scratch resistance as well as the application advantages of inherent quick setting, safety, environmental friendliness and the like of the UV system. Moreover, the coating has a good transferring property and an aluminizing adhesive force, and the application range is further expanded.
Description
technical field [0001] The invention relates to a vacuum aluminized transfer ultraviolet light curing coating. Background technique [0002] Vacuum aluminum plating transfer coating process has been widely used in packaging such as cigarette packs, wine packs, and cosmetics in recent years because of its advantages of environmental protection, beauty, and low cost. At present, solvent-based coatings are mainly used (see CN03142057.5 , CN201110180854.9, etc.), its disadvantages are mainly not enough environmental protection, poor resistance to various solvents and chemicals, and these two aspects are just the advantages of UV coatings, if the vacuum coating based on UV system can be successfully developed Aluminum transfer coating, you will get a higher performance product. [0003] After retrieval, there are fewer patents related to this, and there is no UV aluminized transfer coating solution that really meets the requirements of use. US Patent No. 4,388,137 discloses an ...
Claims
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IPC IPC(8): C09D4/02C09D7/12
Inventor 虞明东谢允斌丁志红
Owner SHANGHAI WEIKAI CHEM