Airtight and waterproof type polypropylene film
A polypropylene film, waterproof technology, applied in the chemical field, can solve the problems of polypropylene film voids and other problems, and achieve the effect of effective and controllable degradation
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Embodiment 1
[0015] An airtight and waterproof polypropylene film comprises the following components in weight ratio: 25% of polypropylene, 35% of natural fiber, 45% of calcium carbonate and 5% of adhesive. Among them, the binder is mainly kaolin, and less silica.
[0016] Among them, the airtight and waterproof polypropylene film is formed by hot roll extrusion process, and the temperature of hot roll extrusion is controlled at 120-180 ° C. Among them, the natural fibers are collected from dangerous invasive plants.
Embodiment 2
[0018] An airtight and waterproof polypropylene film comprises the following components in weight proportion: 80% of polypropylene, 5% of natural fiber, 12% of calcium carbonate and 3% of adhesive. Among them, the binder is mainly kaolin, and less silica.
[0019] Among them, the airtight and waterproof polypropylene film is formed by hot roll extrusion process, and the temperature of hot roll extrusion is controlled at 120-180 ° C. Among them, the natural fibers are collected from dangerous invasive plants.
Embodiment 3
[0021] An airtight and waterproof polypropylene film comprises the following components in weight proportion: 50% of polypropylene, 20% of natural fiber, 26% of calcium carbonate and 4% of binder. Among them, the binder is mainly kaolin, and less silica.
[0022] Among them, the airtight and waterproof polypropylene film is formed by hot roll extrusion process, and the temperature of hot roll extrusion is controlled at 120-180 ° C. Among them, the natural fibers are collected from dangerous invasive plants.
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