Permanent antibacterial, mildew-proof, non-toxic and harmless PP (polypropylene) material and preparation method thereof
A polypropylene material, antibacterial and antifungal technology, applied in the field of materials, can solve the problems of migration of antibacterial agents and difficult to use, and achieve the effect of improving processing performance, excellent lubricating and dispersing agent, and improving smoothness
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Embodiment 1
[0036] (1) First dry 0.22 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.12 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.17 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.
[0037] (2) Add 98.81 parts of copolymerized polypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, blend for 5 minutes, and stir Uniform, get B material.
[0038] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pellet...
Embodiment 2
[0040] (1) First dry 0.24 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.15 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.19 parts by weight of new active silicone powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.
[0041] (2) Add 98.72 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV‐P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.
[0042] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pelletizing ...
Embodiment 3
[0044] (1) First dry 0.2 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.1 part of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C Standby for 2 hours, then put the dried two substances into a high-speed mixer, add 0.16 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.
[0045] (2) Add 98.84 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.
[0046] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pell...
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