Weather-proof building material film and preparation method thereof

[0031] From the upper layer to the lower layer, the weather-resistant building material film is a fixedly connected outer layer film, an intermediate layer film and a veneer layer film.

[0032] The outer film includes the following components in parts by mass: 28 parts of glass fiber, 69 parts of PVC, 8 parts of titanium oxide, 6 parts of antioxidant, 10 parts of anti-reflection agent, and 6 parts of stabilizer. The antioxidant is molybdenum diisooctyl dithiophosphate, the anti-reflection agent is N, N vinylidene bis stearamide, and the thermal stabilizer is SW-977 methyl tin mercaptide.

[0033] The middle layer film includes the following components in parts by mass: 28 parts of glass fiber, 69 parts of PVC, 8 parts of titanium oxide, 8 parts of tackifier, 6 parts of antioxidant, 10 parts of anti-reflection agent and 2 parts of colorant . The antioxidant is molybdenum diisooctyl dithiophosphate, the anti-reflection agent is N, N vinylidene bis stearamide, the tackifier is pol

[0045] From the upper layer to the lower layer, the weather-resistant building material film is a fixedly connected outer layer film, an intermediate layer film and a veneer layer film.

[0046] The outer film includes the following components in parts by mass: 30 parts of glass fiber, 71 parts of PVC, 9 parts of titanium oxide, 7 parts of antioxidant, 11 parts of anti-reflection agent, and 7 parts of stabilizer. The antioxidant is copper dialkyl dithiocarbamate, the anti-reflection agent is N, N vinylidene bis stearamide, and the thermal stabilizer is SW-977 methyl tin mercaptide. .

[0047] The middle layer film includes the following components in parts by mass: 30 parts of glass fiber, 71 parts of PVC, 9 parts of titanium oxide, 11 parts of tackifier, 7 parts of antioxidant, 11 parts of anti-reflection agent and 2 parts of colorant , the antioxidant is copper dialkyldithiocarbamate, the anti-reflection agent is N, N vinylidene bis stearamide, the tackifier is polyimide resin

[0059] From the upper layer to the lower layer, the weather-resistant building material film is a fixedly connected outer layer film, an intermediate layer film and a veneer layer film.

[0060] The outer film includes the following components in parts by mass: 33 parts of glass fiber, 80 parts of PVC, 11 parts of titanium oxide, 7 parts of antioxidant, 14 parts of anti-permeability agent, 8 parts of stabilizer, and the antioxidant is Zinc dialkyl dithiocarbamate, the anti-permeation agent is N, N vinylidene bis stearamide, and the heat stabilizer is SW-977 methyl tin mercaptide.

[0061] The middle layer film includes the following components in parts by mass: 33 parts of glass fiber, 80 parts of PVC, 11 parts of titanium oxide, 14 parts of tackifier, 7 parts of antioxidant, 14 parts of anti-reflection agent and 4 parts of colorant , the antioxidant is zinc dialkyl dithiocarbamate, the anti-permeability agent is N, N vinylidene bis stearamide, the tackifier is citric acid, and t