Environment-friendly slowly-cured TPU hot melt glue film for insole and production method of environment-friendly slowly-cured TPU hot melt glue film
A technology of hot-melt adhesive film and production method, which is applied in the direction of adhesive, adhesive type, film/sheet without carrier, etc., can solve problems such as low lamination quality and glue hazards, so as to improve lamination quality and avoid Harmful, environmentally friendly effect
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Embodiment 1
[0016] The hot melt adhesive film is prepared according to the following weight percentages and requirements of each component.
[0017] TPU particles: 60%, tackifying resin: 35%, functional additives: 5%. Among them, the hardness of TPU particles is 60-90A, the melting point is 50-100°C, and the melting index is 10-60g / 10min@150°C; the tackifying resin is C5 resin, and the softening point of the tackifying resin is 80-100°C, 160 The viscosity at ℃ is 1000-6000CPS; the functional auxiliary agent is antioxidant and ultraviolet absorber, and the weight percentage of antioxidant is 2%, and the weight percentage of ultraviolet absorber is 3%.
Embodiment 2
[0019] The hot melt adhesive film is prepared according to the following weight percentages and requirements of each component.
[0020] TPU particles: 70%, tackifying resin: 20%, functional additives: 7%. Among them, the hardness of TPU particles is 60-90A, the melting point is 50-100°C, and the melting index is 10-60g / 10min@150°C; the tackifying resin is C5 resin, and the softening point of the tackifying resin is 80-100°C, 160 The viscosity at ℃ is 1000-6000CPS; the functional auxiliary agent is an antioxidant and an ultraviolet absorber, and the weight percentage of the antioxidant is 3%, and the weight percentage of the ultraviolet absorber is 4%.
Embodiment 3
[0022] The hot melt adhesive film is prepared according to the following weight percentages and requirements of each component.
[0023] TPU particles: 80%, tackifying resin: 11%, functional additives: 9%. Among them, the hardness of TPU particles is 60-90A, the melting point is 50-100°C, and the melting index is 10-60g / 10min@150°C; the tackifying resin is C5 resin, and the softening point of the tackifying resin is 80-100°C, 160 The viscosity at ℃ is 1000-6000CPS; the functional auxiliary agent is an antioxidant and an ultraviolet absorber, and the weight percentage of the antioxidant is 4%, and the weight percentage of the ultraviolet absorber is 5%.
[0024] The production process of Example 1-3: first put the raw materials of each component into the extruder according to the weight percentage, and after extruding from the extruder, coat it on the release paper, and wind it up to make TPU hot melt film. Among them, the temperature settings of the extruder are as follows: ...
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