Oxo-biodegradable BOPP (biaxially-oriented polypropylene) film and preparation method thereof
A technology of polypropylene film and biaxial stretching, which is applied in the direction of chemical instruments and methods, synthetic resin layered products, layered products, etc., can solve the problems of product function and appearance, product refractory decomposition, etc. Effect
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Embodiment 1
[0029] The oxidative biodegradable biaxially stretched polypropylene optical film of the present invention is prepared by selecting components of homopolypropylene 96.5% by weight, antisticking agent 2.5% AB6018PP, and oxygen-containing biodegradant 1.0% for the upper surface layer. And the melt index range of homopolypropylene is 2.6-3.2g / 10min. The core layer is made of components with weight percentages of 93% homopolypropylene, 3.0% antistatic agent, 3.0% slip agent, and 1.0% oxygen-containing biodegradation agent, and the melt index range of homopolypropylene is 2.6-3.2g / 10min. The antistatic agent is an alkylamine antistatic agent; the slip agent is an erucamide slip agent. The lower surface layer is made of components with 96.5% by weight of homopolypropylene, 2.5% of anti-sticking agent AB6018PP, and 1.0% of oxygen-containing biodegradation agent, and the melt index range of homopolypropylene is 2.6-3.2g / 10min. The thickness of the upper surface layer is controlled...
Embodiment 2
[0040]The oxidative biodegradable biaxially stretched polypropylene optical film of the present invention is prepared by selecting the upper surface layer of 97.5% by weight of homopolypropylene, 1.5% of anti-sticking agent AB6018PP, and 1.0% of oxygen-containing biodegradation agent. And the melt index range of homopolypropylene is 2.6-3.2g / 10min. The core layer is made of components with 97% by weight of homopolypropylene, 1.0% of antistatic agent, 1.0% of slip agent and 1.0% of oxygen-containing biodegradation agent, and the melt index range of homopolypropylene is 2.6-3.2g / 10min. The antistatic agent is an alkylamine antistatic agent; the slip agent is an erucamide slip agent. The lower surface layer is made of components with 97.5% by weight of homopolypropylene, 1.5% of anti-sticking agent AB6018PP, and 1.0% of oxygen-containing biodegradation agent, and the melt index range of homopolypropylene is 2.6-3.2g / 10min. The thickness of the upper surface layer is controlle...
Embodiment 3
[0050] The oxidative biodegradable biaxially stretched polypropylene double-sided heat-sealing film of the present invention is prepared by selecting the components by weight percentage of 97.5% of copolymerized polypropylene, 1.5% of anti-sticking agent AB6018CPP, and 1.0% of oxygen-containing biodegradation agent for the upper surface layer. become. The core layer is made of components with weight percentages of 95% homopolypropylene, 2.0% antistatic agent, 2.0% slip agent, and 1.0% oxygen-containing biodegradation agent, and the melt index range of homopolypropylene is 2.6-3.2g / 10min. The antistatic agent is an alkylamine antistatic agent; the slip agent is an erucamide slip agent. The lower surface layer is made of components with weight percentages of 97.5% of copolymerized polypropylene, 1.5% of anti-sticking agent AB6018CPP, and 1.0% of oxygen-containing biodegradation agent. The thickness of the upper surface layer is controlled to be 1.0μ, the thickness of the core ...
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