Weather-resistant photovoltaic adhesive film and preparation process thereof
A weather-resistant, adhesive film technology, applied in adhesives, climate sustainability, films/sheets without carriers, etc., can solve problems such as poor high temperature and high humidity resistance, poor flexibility, and weak UV aging resistance. , to achieve excellent weather resistance, reduce optical reflectivity, and improve the effect of maximizing utilization efficiency
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Embodiment 1
[0067] Preparation of vinyl modified particles: add 30% EVA particles, 39% PE particles, 30% POE particles, 0.3% magnesium hydroxide, 0.2% KH570 silane coupling agent and 0.5% antioxidant 264 raw materials to the mixing kettle, After fully mixing, it was placed in a twin-screw extruder, melted, blended and extruded at a temperature range of 120-160 °C and a rotating speed of 50 rpm. After cooling with water, it was cut and pelletized to obtain ethylene-type modified particles. The ethylene-type modified particles prepared by oven drying were removed from moisture for 2 hours, taken out, and used for later use.
[0068] A preparation process of a weather-resistant photovoltaic film is as follows:
[0069] Step (1): place the POE particles in a 50 ℃ oven to dry for 1 h, take them out, and use them for later use;
[0070] 90 parts of POE particles after drying, 30 parts of vinyl modified particles, 0.1 part of organosilicon powder KMP-590, 0.5 part of KH550, 0.5 part of isocyana...
Embodiment 2
[0074] Preparation of vinyl modified particles: add 35% EVA particles, 35% PE particles, 29% POE particles, 0.2% magnesium hydroxide, 0.3% KH570 silane coupling agent and 0.5% antioxidant 264 raw materials into the mixing kettle, After fully mixing, it is placed in a twin-screw extruder, melt-blended and extruded at a temperature of 120-160°C and a rotating speed of 50rpm. After cooling with water, it is cut and granulated to obtain vinyl modified particles. The ethylene-type modified particles prepared by oven drying were removed from moisture for 2 hours, taken out, and used for later use.
[0075] A preparation process of a weather-resistant photovoltaic film is as follows:
[0076] Step (1): place the POE particles in a 50 ℃ oven to dry for 1 h, take them out, and use them for later use;
[0077] 85 parts of POE particles after drying, 35 parts of vinyl modified particles, 0.1 part of organosilicon powder KMP-601, 0.5 part of KH570, 0.5 part of isocyanatopropyltriethoxysi...
Embodiment 3
[0081] Preparation of vinyl modified particles: add 30% EVA particles, 35% PE particles, 34% POE particles, 0.25% magnesium hydroxide, 0.25% KH570 silane coupling agent and 0.5% antioxidant 264 raw materials to the mixing kettle, After fully mixing, it is placed in a twin-screw extruder, melt-blended and extruded at a temperature of 120-160°C and a rotational speed of 50rpm. After cooling with water, it is cut and pelletized to obtain ethylene-type modified particles. The temperature is 80°C. The ethylene-type modified particles obtained by drying in an oven were removed from moisture for 2 hours, taken out, and used for later use.
[0082] A preparation process of a weather-resistant photovoltaic film is as follows:
[0083] Step (1): place the POE particles in a 50 ℃ oven to dry for 1 h, take them out, and use them for later use;
[0084] 80 parts of POE particles after drying, 40 parts of vinyl modified particles, 0.1 part of organosilicon powder X-52-7030, 0.5 part of KH5...
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