Modified polypropylene recycled material and preparation method thereof
A technology for polypropylene and recycled materials, which is applied in the field of modified polypropylene recycled materials and its preparation, which can solve the problems that the modification of polypropylene recycled materials cannot meet its requirements, and achieve improved dispersion performance, good dispersibility, and improved compatibility sexual effect
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Embodiment 1
[0030] 75 parts of recycled polypropylene, 10 parts of polypropylene, 5 parts of polypropylene grafted acrylic acid, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168 and 0.5 parts of 2,5-dimethyl-2,5-bis (tert-butyl peroxy) hexane was put into a high-speed mixer and mixed for 3 minutes, then the mixture was added into the extruder, 10 parts of alkali-free glass fibers were added from the glass fiber port, extruded and pelletized to obtain modified polystyrene Propylene recycling.
[0031] The temperature of each section of the barrel of the twin-screw extruder is set as follows: 180°C for zone 1, 185°C for zone 2, 195°C for zone 3, 195°C for zone 4, 200°C for zone 5, 200°C for zone 6, and 205°C for the die. The extruded strips are cooled to room temperature through a circulating water tank, dried by a blower, and then entered into a pelletizer for granulation.
Embodiment 2
[0033] 30 parts of recycled polypropylene, 30 parts of polypropylene, 15 parts of polypropylene grafted acrylic acid, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 1076, 0.2 part of antioxidant 168 and 1.3 parts of 2,5-dimethyl Base-2,5-bis(tert-butylperoxy)hexane was put into a high-speed mixer and mixed for 4 minutes, then the mixture was added into the extruder, and 25 parts of alkali-free glass fibers were added from the glass fiber port, extruded Pelletize to obtain modified polypropylene recycled material.
[0034] The temperature of each section of the barrel of the twin-screw extruder is set as follows: 180°C for zone 1, 185°C for zone 2, 195°C for zone 3, 195°C for zone 4, 210°C for zone 5, 220°C for zone 6, and 205°C for the die. The extruded strips are cooled to room temperature through a circulating water tank, dried by a blower, and then entered into a pelletizer for granulation.
Embodiment 3
[0036] 52 parts of recycled polypropylene, 20 parts of polypropylene, 10 parts of polypropylene grafted acrylic acid, 5 parts of antioxidant 1076 and 5 parts of antioxidant 168 and 2 parts of 2,5-dimethyl-2,5-bis (tert-butyl peroxy) hexane was put into a high-speed mixer and mixed for 5 minutes, then the mixture was added into the extruder, 18 parts of alkali-free glass fibers were added from the glass fiber port, extruded and pelletized to obtain modified polymer Propylene recycling.
[0037] The temperature of each section of the barrel of the twin-screw extruder is set as follows: 180°C for zone 1, 185°C for zone 2, 195°C for zone 3, 195°C for zone 4, 200°C for zone 5, 200°C for zone 6, and 205°C for the die. The extruded strips are cooled to room temperature through a circulating water tank, dried by a blower, and then entered into a pelletizer for granulation.
[0038] The modified polypropylene recycled materials prepared in the above-mentioned Examples 1-3 were molded ...
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