自粘热塑性聚烯烃防水卷材性能影响因素分析
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摘要
通过试验对比研究了热塑性弹性体用量对自粘TPO卷材力学性能和剥离强度的影响,探讨了接枝改性聚烯烃用量对自粘TPO卷材力学性能及与铝板间剥离强度的影响,并分析了自粘胶料外观色度和透明度对自粘TPO卷材剥离强度的影响。结果表明:当热塑性弹性体占比为55%时,防水卷材的力学性能和剥离强度等综合性能最佳;接枝改性料能适当增加防水卷材的力学强度和抗剥离性;自粘胶料外观色度增加,透明度变差,防水卷材的剥离强度降低。
Through experimental comparison, the article studies the influences of thermoplastic elastomer dosage on the mechanical property and peeling strength of self-adhesive TPO membrane. It also probes into the influences of graft modified polyolefin dosage on the mechanical property and peeling strength with aluminum plate of TPO membrane and analyzes the impacts of the appearance chrominance and transparency of self-adhesive compound on the peeling strength of TPO membrane.Results show: when thermoplastic elastomer accounts for 55%, the mechanical property, peeling strength and other overall performances of waterproofing membrane are the best; graft modified material can improve the mechanical property and peeling strength of waterproofing membrane appropriately; when the appearance chrominance of self-adhesive compound increases and transparency decreases, the peeling strength of waterproofing membrane is reduced.
Through experimental comparison, the article studies the influences of thermoplastic elastomer dosage on the mechanical property and peeling strength of self-adhesive TPO membrane. It also probes into the influences of graft modified polyolefin dosage on the mechanical property and peeling strength with aluminum plate of TPO membrane and analyzes the impacts of the appearance chrominance and transparency of self-adhesive compound on the peeling strength of TPO membrane.Results show: when thermoplastic elastomer accounts for 55%, the mechanical property, peeling strength and other overall performances of waterproofing membrane are the best; graft modified material can improve the mechanical property and peeling strength of waterproofing membrane appropriately; when the appearance chrominance of self-adhesive compound increases and transparency decreases, the peeling strength of waterproofing membrane is reduced.
引文
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[2]雍奎刚,孙晓丹.高分子防水卷材的应用及发展[J].塑料科技,2008(12):60-64.
[3]王双,石磊,彭贺民.TPO自粘防水卷材自粘层的性能研究[J].中国建筑防水,2012(22):10-13.
[4]张弘胤,周华林,张少峰,等.自粘型TPO防水卷材在单层屋面系统中的应用[J].中国建筑防水,2013(3):18-20.
[5]石立国,吴殿昌,罗丁,等.综合管廊防水设计与施工技术[J].施工技术,2017(21):55-58.
[6]孟,冯黎,范雯静.TPO防水卷材标准解读[J].中国建筑防水,2010(17):35-38.
[7]郭峰,高宇新,孙彬彬,等.Dow化学公司聚烯烃新产品——VERSIFYTM塑性体和弹性体[J].石化技术,2013,20(4):60-64.
[8]佚名.陶氏INFUSETM高性能弹性体解决方案亮相[J].中国皮革,2016(7):35.
[9]陈鸯飞,孙剑,胡全超.接枝聚乙烯对非沥青基高分子自粘防水卷材性能的影响[J].中国建筑防水,2016(12):7-9.
[10]庞净芬.PE接枝物的制备与性能研究[D].天津:天津科技大学,2013.
[11]赵连国,刘洋,张良均.马来酸酐接枝茂金属聚乙烯制备及其粘接性能[J].粘接,2011(1):58-63.
[12]王宇,何琴玲,林中祥.增黏树脂差异性对热熔压敏胶外观及性能的影响[J].化学与粘合,2009,31(2):10-36.
[13]陈就记,徐社阳,吴雪,等.改性松香季戊四醇酯在热熔压敏胶中的应用研究[J].粘接,2011(1):64-67.