Reinforced polyethylene glycol terephthalate-modified material and preparation method thereof
一种聚对苯二甲酸乙二醇酯、苯二甲酸乙二醇酯的技术,应用在增强聚对苯二甲酸乙二醇酯改性材料及其制备领域,能够解决耐电晕性差、耐低温性能差、结晶速度不够快等问题,达到降低使用成本、好耐低温性能和抗蠕变性能的效果
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Embodiment 1
[0036] Embodiment 1 is made by the raw material of following parts by weight:
[0037] Component 1 polyethylene terephthalate 100 parts, component 2 glass fiber 30 parts, component 3 toughening agent 6 parts, component 4 antioxidant 0.5 part, component 5 compound nucleating agent 3 Parts, Component 6 Elastomer SEBS 10 parts.
[0038] Preparation method: Weigh the above raw materials, mix the raw materials except glass fiber in a high-speed mixer for 10-15 minutes, then melt through a twin-screw extruder, add glass fiber with side feed, extrude and granulate. The temperature of each section is as follows: the temperature of the first zone is 250-260°C, the temperature of the second zone is 255-270°C, the temperature of the third zone is 255-275°C, the temperature of the fourth zone is 250-265°C, and the fifth zone is 250-260°C. The conveying time of the material in the screw is 1 to 5 minutes, and the pressure is 10 to 20 MPa.
Embodiment 2
[0039] Embodiment 2 is made by the raw material of following parts by weight:
[0040] Component 1 polyethylene terephthalate 100 parts, component 2 glass fiber 40 parts, component 3 toughening agent 8 parts, component 4 antioxidant 0.8 part, component 5 compound nucleating agent 4 Parts, Component 6 Elastomer SEBS 12 parts.
[0041] The preparation method is the same as in Example 1.
Embodiment 3
[0042] Embodiment 3 is made by the raw material of following parts by weight:
[0043] Component 1 polyethylene terephthalate 100 parts, component 2 glass fiber 40 parts, component 3 toughening agent 9 parts, component 4 antioxidant 0.8 part, component 5 compound nucleating agent 5 Parts, Component 6 Elastomer SEBS 13 parts.
[0044] The preparation method is the same as in Example 1.
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