汽车橡胶密封条静电植绒光照老化耐磨性能研究
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摘要
研究汽车橡胶密封条光照老化后静电植绒耐磨性能的影响因素。根据植绒粘合剂光照老化机理和静电植绒生产工艺,分析植绒前密封条表面温度、等离子体表面处理、粘合剂的厚度、静电植绒环境、粘合剂固化温度等工艺条件对光照老化后植绒耐磨性能的影响。通过调节蠕动泵的出胶量提高植绒粘合剂的干膜厚度,提高两段固化烘箱的温度使密封条表面温度达到180℃以上,汽车橡胶密封条植绒光照老化后耐磨性能达到企业标准要求。
Influence factors of abrasion resistance of the electrostatic flocking of the automobile sealing strip after light aging were studied. Based on the light aging mechanism of flocking adhesion agent and electrostatic flocking process,the effects of process conditions including surface temperature of sealing strip before flocking,plasma surface treatment,thickness of adhesion agent,environment of electrostatic flocking and curing temperature of adhesion agent on the abrasion resistance were analyzed. The results showed that by increasing the thickness of the adhesion agent film through adjusting the amount of discharged content from peristaltic pump,and increasing the surface temperature of sealing strip to above 180 ℃ through elevating the temperature of the curing ovens at both two curing stages,the abrasion resistance of the electrostatic flocking of the automobile sealing strip after light aging could meet the requirements of enterprise standard.
Influence factors of abrasion resistance of the electrostatic flocking of the automobile sealing strip after light aging were studied. Based on the light aging mechanism of flocking adhesion agent and electrostatic flocking process,the effects of process conditions including surface temperature of sealing strip before flocking,plasma surface treatment,thickness of adhesion agent,environment of electrostatic flocking and curing temperature of adhesion agent on the abrasion resistance were analyzed. The results showed that by increasing the thickness of the adhesion agent film through adjusting the amount of discharged content from peristaltic pump,and increasing the surface temperature of sealing strip to above 180 ℃ through elevating the temperature of the curing ovens at both two curing stages,the abrasion resistance of the electrostatic flocking of the automobile sealing strip after light aging could meet the requirements of enterprise standard.
引文
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[9]梁继竹,曹蓉,钱励克,等.密封条排气孔对天窗系统噪声的影响[J].橡胶工业,2018,65(5):565-568.
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[2]刘亚军,胡国樑,周颖.废旧皮革粉静电植绒工艺的研究[J].现代纺织技术,2017,25(1):10-12.
[3]刘永庆.皮革的静电植绒[J].丝网印刷,2011(12):13-15.
[4]Oezelli Riia N,Hoffmann Hans Josef.Flocking Adhesive for Flexible Substrates[P].USA:USP 4 535 121,1985-08-13.
[5]Fleming Kenneth E,Chapman Jeffrey.Flock Adhesive[P].USA:USP 5 185 402,1993-02-09.
[6]TL 52704-2013,EPDM车身密封条材料要求[S].
[7]PV 1303-2000,Non-metallic Materials Exposure Test of Passenger Compartment Components[S].
[8]丁著明,良义,范华.聚氨酯的降解与稳定化研究进展(Ⅰ):不同结构聚氨酯的降解机理[J].热固性树脂,2002,17(6):26-28.
[9]梁继竹,曹蓉,钱励克,等.密封条排气孔对天窗系统噪声的影响[J].橡胶工业,2018,65(5):565-568.
[10]赵建才,吴定凯.轿车玻璃导槽密封条弯曲唇边叶片波浪问题的分析和结构优化[J].橡胶工业,2018,65(8):932-934.
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