A kind of cleaning agent packaging composite film and preparation method thereof
A composite film and cleaning agent technology, used in chemical instruments and methods, flat products, other household appliances, etc., can solve the problems of easy leakage, easy corrosion of packaging films, etc., to improve anti-corrosion and anti-seepage performance, improve quality and Market competitiveness and improved aging resistance
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Embodiment 1
[0021] A cleaning agent packaging composite film, comprising: a first nylon layer, a first adhesive layer, a first base material layer, a second adhesive layer, a second nylon layer, a third adhesive layer, a second base material layer , the third base material layer and the fourth base material layer, wherein, the material of the first nylon layer and the second nylon layer comprises PA, and the first adhesive layer, the second adhesive layer and the third adhesive layer The material comprises a mixture of TIE and PE, the mass ratio of TIE and PE is 1:2, the material of the first substrate layer and the second substrate layer is a mixture of HDPE and LLDPE, and the mass ratio of HDPE and LLDPE is 1 : 3, the material of the third base material layer and the fourth base material layer comprises a mixture of HDPE, LLDPE and MPE, and the mass ratio of HDPE, LLDPE and MPE in the material of the third base material layer is 1: 2: 3. The mass ratio of HDPE, LLDPE and MPE in the mate...
Embodiment 2
[0024] The layer structure of the composite film and the material composition of each layer are the same as in Example 1.
[0025] The preparation method is as follows: (1) soak PA with a methanol solution of 2-hydroxy-4-methoxybenzophenone with a mass concentration of 3% for 5 hours, then dry it at 80° C. for 128 hours, and set aside; (2) Soak the MPE in a methanol solution of fluorosilane with a mass concentration of 3% for 8 hours, then dry it at 100°C for 1 hour, and set aside; Melt plasticization, extrusion, and then carry out co-extrusion and blown film under the conditions of inflation ratio of 1:2 and die head temperature of 220°C to obtain a composite film; wherein, the temperatures of the extruders of each layer are respectively: The plasticizing temperature of the first nylon layer and the second nylon layer is 180°C, the plasticizing temperature of the first adhesive layer, the second adhesive layer and the third adhesive layer is 150°C, the first base material lay...
Embodiment 3
[0027] The layer structure of the composite film and the material composition of each layer are the same as in Example 1.
[0028] Its preparation method is: (1) soak PA with the methanol solution of 2-hydroxy-4-methoxybenzophenone with a mass concentration of 2.5% for 8 hours, then dry at 70°C for 16 hours, and set aside; (2) Soak the MPE in a methanol solution of fluorosilane with a mass concentration of 2.5% for 20 hours, then dry it at 80°C for 4 hours, and set aside; Melting, plasticizing, extruding, and then performing co-extrusion blown film under the condition that the inflation ratio is 1:1.8 and the die head temperature is 225°C to obtain a composite film; wherein, the temperatures of the extruders of each layer are respectively: The plasticizing temperature of the first nylon layer and the second nylon layer is 150°C, the plasticizing temperature of the first adhesive layer, the second adhesive layer and the third adhesive layer is 180°C, the first base material lay...
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