PET material with ultrahigh elongation at break and preparation method thereof
A technology of elongation at break and elongation, which is applied in the field of ultra-high elongation at break PET material and its preparation, can solve the problem of limiting the application range of toughened PET, limited increase in elongation at break, low elongation at break, etc. problems, to achieve the effect of improving hydrolysis resistance and chemical resistance, improving elongation at break, and excellent mechanical properties
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Embodiment 1
[0021] This embodiment provides a PET material with ultra-high elongation at break, which includes the following components in parts by weight: PET: 90 parts, AX8900: 2.5 parts, TPEE (H28DMG): 7.5 parts, antioxidant 1076: 0.1 parts , Antioxidant 168:0.1 part. Add PET, toughener and antioxidant to the high-speed mixer and mix evenly, then extrude and granulate the product through a twin-screw extruder. The temperature of each section of the extruder is controlled at 270, 280, 280, 280, 290, 295, 300°C, speed 200RPM.
Embodiment 2
[0023] This embodiment provides a PET material with ultra-high elongation at break, which includes the following components in parts by weight: PET: 87 parts, AX8900: 5 parts, TPEE (H55DMG): 7.5 parts, antioxidant 1076: 0.15 parts , Antioxidant: 0.2 parts of DLTDP. First add PET, toughener and antioxidant into the high-speed mixer and mix evenly, then extrude and granulate the product through a twin-screw extruder. The temperature of each section of the extruder is controlled at 275, 280, 280, 280, 290, 290, 295°C, speed 230RPM.
Embodiment 3
[0025] This embodiment provides a PET material with ultra-high elongation at break, which includes the following components in parts by weight: PET: 85 parts, PTW: 5 parts, TPEE (H28DMG): 10 parts, antioxidant 1010: 0.2 parts , 0.25 parts of antioxidant DLTDP. First add PET, toughener and antioxidant into the high-speed mixer and mix evenly, then extrude and granulate the product through a twin-screw extruder. The temperature of each section of the extruder is controlled at 275, 280, 280, 280, 290, 290, 295°C, speed 250RPM.
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