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題 名 | 高分子樹脂含浸紙張性質之研究=Properties of Polymer Impregnated Paper |
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作 者 | 汪淮; 黃倩猗; | 書刊名 | 國立臺灣大學農學院實驗林研究報告 |
卷 期 | 11:4=218 1997.12[民86.12] |
頁 次 | 頁1-9 |
分類號 | 476.1 |
關鍵詞 | 含浸處理; 壓克力樹脂; 聚胺基甲酸脂樹脂; 紙張性質; Impregnation treatment; Acrylic resins; PU resins; Paper properties; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗選用不同圖形份之Acrylic樹脂三種(#7751、#5783、#1747)與PU樹脂三 種(#6331、#6319、#987),將其圖形份調整為5%、10%、15%及20%後,對紙張進行含浸處理, 再測試紙張各項物理與強度性質,以瞭解高分子樹脂對紙張各種性質所造成之影響。 試驗結果顯示,經過高分子樹脂含浸之紙張,不論是Acrylic樹脂或PU樹脂,因樹脂粒 子在紙張纖維中填充,使紙張之不透明度隨含浸固形份之增加而呈現下降的趨勢;也因樹脂 在紙張纖維上成膜,增加了單位纖維長度之重量,進而增加了紙張纖維之強度,使得紙張之 抗張強度、頂破力等,均能隨著含浸固形份之增加而上升至一定程定,相反的,紙張之撕力 則因為樹脂粒子之存在,增加了纖維與纖維間的鍵結,使纖維不易滑動,造成撕裂時應力集 中而將纖維破斷,因此,撕力會隨著含浸固形份之增加而下降;且因為樹脂在紙張纖維上成 膜,使紙張之透氣度明顯的降低,抗水度上升,但此部份結果則會因為樹脂種類不同而有很 大之差異。 |
英文摘要 | Different types of acrylic resins (#7751, #5783, #1747) and PU resins (#6331, #6319,#987) with varying amounts of solids were used in this study. In order to understand the effects of polymers on paper properties, the amount of solids within the paper was fixed at four different levels: 5%, 10%, 15% and 20%. The paper was impregnated with a polymer and the physical and strength properties of the paper were measured. The opacity of polymer impregnated paper decreased with the increasing solid contents of the polymer. The change in opacity level occurs because the polymer particles fill up the gap between paper fibers. The resin formed a film on the paper fibers adding to the weight per unit fiber length. Consequently, paper fiber strength (i.e. tensile and bursting strength) increased in proportion to the solid contents of the polymer-impregnated paper. In contrast, the tearing strength of polymer-impregnated paper decreased as the solid contents increased. The presence of resin particles within the impregnated paper strengthened the bonding between paper fibers while simultaneously reducing the fiber's mobility. This concentrated the tearing force which facilitates the ripping of paper fibers. In addition, air permeability decreased while sizing degree and water resistance increased due to the film formed by the resin particles on the fibers. Each type of resin exhibited an unique bonding properties. |
本系統中英文摘要資訊取自各篇刊載內容。