Waterproof shielding protection film for spraying and processing technology thereof
A processing technology and technology of protective film, applied in the field of waterproof shielding protective film for spraying and its processing technology, can solve the problems of poor waterproof performance, deformation and damage, etc., achieve convenient processing efficiency, avoid deformation and damage, and ensure high temperature resistance performance effect
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[0026] Example 1:
[0027] The present invention provides a waterproof coating masking film, comprising a weight percentage calculated: 41.70% polyethylene resin, 3.60% glucose, 0.30% of an antioxidant, an ultraviolet absorber 0.30%, 23.50% of the composite filler, 30.60% of organic solvent; composite filler according to the percentage by weight comprising: 22.50% of nano-silica aerogels, 21.50% of polyurethane, of 21.40% of nano-silica, 16.40% polyacrylonitrile, 18.20% of silver nitrate;
[0028] The organic solvent is butyl acetate, isobutyl acetate, ethyl acetate, n-propanol, tert-butanol mixed with one or several of; the antioxidant is: antioxidant 164, antioxidant DLTP of one or two complex formulated, the ultraviolet absorbers: 2-hydroxy-4-n-octyloxy benzophenone;
[0029] The present invention also provides a waterproof coating film masking process, specific process steps are as follows:
[0030] Step a: said take the above polyethylene resin parts by weight of glucose, an ...
Example Embodiment
[0038] Example 2:
[0039] Unlike Example 1, the calculated percentage by weight comprising: a polyethylene resin 42.50%, 4.60% glucose, 0.50% of an antioxidant, an ultraviolet absorber 0.50%, 24.30% of the composite filler, 27.60% of organic solvent ; the composite filler comprising a weight percentage: 23.30% of nano-silica aerogels, 22.30% of polyurethane, of 22.20% of nano-silica, 18.20% polyacrylonitrile, 41.00% of the silver nitrate.
Example Embodiment
[0040] Example 3:
[0041] Example 1-2 except that the average, calculated as weight percentage comprising: a polyethylene resin 42.10%, 4.10% glucose, 0.40% of an antioxidant, an ultraviolet absorber 0.40%, 23.90% of the composite filler, 29.10% an organic solvent; composite filler according to the percentage by weight comprising: 22.90% of nano-silica aerogels, 21.90% of polyurethane, of 21.80% of nano-silica, 17.30% polyacrylonitrile, 16.10% silver nitrate silicon.
[0042] Examples 1-3 were taken above prepared spray a waterproof spray shielding film and the protective group with a waterproof film masking control group two masking film sprayed with water, spraying with water in the control group three masking film, with a control group of four spray water sprayed film masking control group and five waterproof masking film, a group of spray waterproof masking film as compared to Example no nanometer silica aerogels, control group two waterproof spray masking film as compared to...
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