Parameters in process of pultrusion of continuous glass fiber/polypropylene thermoplastic composites

JING Rong; ZHANG Ruitao; MENG Yuchen; WANG Yanhui; ZHANG Xinggang; ZHAO Yu; ZHANG Yongbing

doi:10.13801/j.cnki.fhclxb.20200302.003

Volume 37 Issue 11

Nov. 2020

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JING Rong, ZHANG Ruitao, MENG Yuchen, et al. Parameters in process of pultrusion of continuous glass fiber/polypropylene thermoplastic composites[J]. Acta Materiae Compositae Sinica, 2020, 37(11): 2782-2788. doi: 10.13801/j.cnki.fhclxb.20200302.003

Citation:

JING Rong, ZHANG Ruitao, MENG Yuchen, et al. Parameters in process of pultrusion of continuous glass fiber/polypropylene thermoplastic composites[J]. Acta Materiae Compositae Sinica, 2020, 37(11): 2782-2788. doi: 10.13801/j.cnki.fhclxb.20200302.003

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Parameters in process of pultrusion of continuous glass fiber/polypropylene thermoplastic composites

doi: 10.13801/j.cnki.fhclxb.20200302.003

JING Rong^1
,,
ZHANG Ruitao^1
,,
MENG Yuchen^1
,,
WANG Yanhui^1
,,
ZHANG Xinggang^{1, 3
,
,},
ZHAO Yu^{1, 2
,},
ZHANG Yongbing^{1, 2
,}

1.
Luoyang Sunrui Rubber & Plastic Science and Technology Co. Ltd., Luoyang 471003, China
2.
Luoyang Ship Materials Research Institute, Luoyang 471003, China
3.
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 471000, China

Received Date: 2019-12-18
Accepted Date: 2020-02-08

Available Online: 2020-03-03

Publish Date: 2020-11-15

Abstract

Abstract

The continuous glass fiber/polypropylene (GF/PP) composites were prepared by thermoplastic pultrusion using GF/PP commingled yarns. The effect of mold temperature and pulling speed on the centraline temperature of GF/PP composites was studied. Based on Fourier law, the transient heat transfer within mold cavity in pultrusion process was analyzed. The process parameter matrix was established. The centraline temperature variation of GF/PP composites under the conditions of different mold temperatures and pulling speeds was predicted using finite element numerical calculation. The combination of process parameter for certain mold structure was optimized. The flexural modulus of PP/GF composites obtained at different temperatures and pulling speeds was tested and the sections were observed. The results show that the pultrusion speed should not exceed 350 mm/min, while the mold melt zone temperature should be set higher than 180℃ in the pultrusion process of GF/PP commingled yarns; the optimized process parameter for best mechanical properties of GF/PP composites is obtained at 150℃-230℃-50℃ temperature and 100 mm/min pulling speed. The pultrusion speed is more important than the mold melt zone temperature in pultrusion process of GF/PP commingled yarns.
- glass/polypropylene(GF/PP) commingled yarns,
- thermoplastic pultrusion,
- transient heat transfer,
- mold temperature,
- pulling speed
Long Abstrsct
Innovation Points

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References(22)

References

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