UV硬化型胺酯壓克力樹脂前處理對國產針葉樹中小徑木物理性質之改善效應

吳俊緯; Wu, Jun-Wei

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Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/65867

標題:	UV硬化型胺酯壓克力樹脂前處理對國產針葉樹中小徑木物理性質之改善效應 Effects of UV Curable Urethane Acrylate Resins Pretreatments on the Physical Properties of Domestic Medium and Small Diameter Softwood
作者:	吳俊緯 Wu, Jun-Wei
關鍵字:	UV curable urethane acrylate resins;UV硬化型胺酯壓克力樹脂;medium and small diameter softwood;pretreatment;dimensional stability.;針葉樹中小徑木;前處理;尺寸安定性。
出版社:	森林學系所
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摘要:	本研究係探討利用UV硬化型胺酯壓克力樹脂（UV硬化型樹脂）對國產針葉樹中小徑木包括台灣杉、杉木、肖楠及柳杉進行前處理作業，使UV硬化型樹脂在木材表層固化成膜，藉以提升中小徑木均質性並改善木材尺寸安定性。試驗結果顯示，UV硬化型樹脂僅在木材表面固化成膜，並能提升木材表面硬度及均質性，亦能增加中小徑木之抗吸濕效能（MEE）及抗膨潤效能（ASE）；又木材經UV硬化型樹脂處理後皆可降低明度增加彩度，賦予木材厚重之視覺感受。在其他試驗結果方面，不同預聚合體/單體重量比為80/20者對改善針葉樹中小徑木之物理性質具有最優良之效果；而在不同單體種類中，以含二丙烯酸1,6-己二醇酯（HDDA）之UV硬化型樹脂較能顯著提升針葉樹中小徑木之抗膨潤效能及抗吸濕效能；在不同聚異氰酸酯方面，則以含甲苯二異氰酸酯之衍生物（PTDI）之UV硬化型樹脂對於提升木材之均質性及尺寸安定性最具效果。綜合以上結果，以PTDI及甲基丙烯酸 2-羥基乙酯（2-HEMA）合成胺酯壓克力預聚合體，再與單體HDDA以80/20重量比，並添加3%光引發劑Irgacure 651條件下所調配出之UV硬化型胺酯壓克力樹脂，對於提升針葉樹中小徑木之物理性質具有最優良的改善效益。
URI:	http://hdl.handle.net/11455/65867
Appears in Collections:	森林學系

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