Effect of alkali modification on the powder flowability of rapeseed straw cellulose fibers

Zhang, Qifeng; Ma, Yunhai; Qi, Zicheng; Song, Wei; Li, Lekai; Chen, Zhanling

doi:10.1080/15440478.2022.2151546

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…On the other hand, it reduces dust pollution, purifies the production environment and facilitates shipment. 11 Li et al 12 used granulation and cold press sintering to prepare copper-based friction materials with better wear resistance than ungranulated ones. The results of Liu et al showed that the sulfur granulation process is not only environmentally friendly, but also results in a uniform particle size distribution of the raw material.…”

Section: Introductionmentioning

confidence: 99%

“…In the case of the brake friction material industry, on the one hand, granulation technology can reduce the segregation of reinforcing fibers, especially natural fibers, and improve the homogeneity of the composites, which in turn improves the abrasion resistance of the products. On the other hand, it reduces dust pollution, purifies the production environment and facilitates shipment 11 . Li et al 12 used granulation and cold press sintering to prepare copper‐based friction materials with better wear resistance than ungranulated ones.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of tribological properties of silane‐treated rapeseed straw fiber reinforced friction polymer composites prepared by wet granulation

Zhang,

Qi,

et al. 2023

Polymer Composites

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Reinforcing fibers play a key role in improving the tribological properties of friction polymer composites. Cellulose reinforcing fibers were extracted from rapeseed straw waste and prepared as friction composites based on wet granulation, and the effects of heat and rapeseed straw fiber (RSF) additions on the tribological properties were systematically investigated. The addition of RSF induced an important transformation of the major wear mechanism to abrasive wear, especially at 9 wt%, where the abundant tribo‐films contributed to the stability of the friction coefficients (fade rate 6.8%, recovery rate 106.6%), resulting in a 37.5% increase in wear resistance compared to no addition. Furthermore, XRD, FTIR and SEM analyses showed that the silane‐ethanol solution modification contributed to the good performance of RSF.Highlights Rapeseed straw fiber (RSF) and granulation technology for polymer composites. Addition of RSF transforms adhesive and fatigue wear into abrasive wear. Friction models are developed to clarify the wear mechanism transformation. A 37.5% increase in wear resistance was achieved when RSF was added at 9 wt%.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%