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Combination of polyethylene glycol impregnation and paraffin heat treatment to protect round bamboo from cracking

Royal Society open science, 2019-11, Vol.6 (11), p.190105-190105 [Peer Reviewed Journal]

2019 The Authors. ;2019 The Authors. 2019 ;ISSN: 2054-5703 ;EISSN: 2054-5703 ;DOI: 10.1098/rsos.190105 ;PMID: 31827815

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  • Title:
    Combination of polyethylene glycol impregnation and paraffin heat treatment to protect round bamboo from cracking
  • Author: Rao, Jin ; Jiang, Jun ; Prosper, Nayebare Kakwara ; Yang, Xiushu ; Liu, Tingsong ; Cai, Wei ; Wang, Hui ; Sun, Fangli
  • Subjects: cracking resistance ; Engineering ; outdoor exposure ; paraffin heat treatment ; polyethylene glycol treatment ; round bamboo
  • Is Part Of: Royal Society open science, 2019-11, Vol.6 (11), p.190105-190105
  • Description: Round bamboo has drawn more and more attention in architecture, decoration and recreational products. Splitting brings some safety problems, which shorten the service life of round bamboo. In this paper, three schemes were adopted as follows to solve the problem: round bamboo was impregnated in polyethylene glycol (PEG)-1000 solution alone, heat treatment in paraffin alone or treated with the combination of PEG impregnation and paraffin heat treatment (PEG-PH). The treated bamboo was exposed outdoors for 26 weeks to evaluate the development of cracks. Results showed as follows: the initial split of PEG-PH-treated bamboo appeared after 22 weeks, while that of the controls after 2 weeks, the total length of cracks was 2271.31 and 873.5 mm for the control and PEG-PH-treated bamboo, respectively. To reveal the reasons for reduced cracks, scanning electron micrograph (SEM) was employed to observe the microstructure of bamboo; besides, hydrophobicity of bamboo was characterized by the water contact angle. PEG can swell the cell wall and the better hydrophobicity of round bamboo could be achieved after PEG-PH treatment. Therefore, the combination of PEG immersion and paraffin heating is an effective and practicable method in bamboo treatment, especially for round bamboo with high moisture content.
  • Publisher: England: The Royal Society
  • Language: English
  • Identifier: ISSN: 2054-5703
    EISSN: 2054-5703
    DOI: 10.1098/rsos.190105
    PMID: 31827815
  • Source: PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    DOAJ Directory of Open Access Journals
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