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相關文獻
- PU-NC Semi-IPNs木器塗料組成分之添加次序對其性質之影響
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- PU-NC Semi-IPNs應用於木器塗料之研究(1)--NCO/OH莫耳比與PU/NC組成對塗料及塗膜性質之影響
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題 名 | PU-NC Semi-IPNs木器塗料組成分之添加次序對其性質之影響=Effects of Components Adding Sequence on the Properties of PU-NC Semi-IPNs Wood Coatings |
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作 者 | 盧崑宗; 劉正字; | 書刊名 | 林產工業 |
卷 期 | 20:1 2001.03[民90.03] |
頁 次 | 頁21-28 |
分類號 | 474.33 |
關鍵詞 | 半互穿聚合體網狀結構物; 聚胺基甲酸酯; 硝化纖維素; 組成分添加次序; 木器塗料; Semi-interpenetrating polymer networks; Polyurethane; Nitrocellulose; Adding sequence of components; Wood coatings; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係以吹製型篦麻油(BCO)、芳香族聚異氰酸鹽(PTDI)、硝化纖維素(NC)等為原料,在NCO/OH莫耳比為1.2,及各種PU/NC重量比為70β0、50/50及30/70之條件下,以連續聚合方式合成PU-NC半互穿聚合體網狀結構物(Semi-IPNs),作為木器塗料使用,探討組成分之添加次序對塗料及塗膜性質之影響。試驗結果發現,在相同PU/NC重量比之條件中,無論PU與NC的互穿效果,塗膜拉伸強度、硬度、耐光性、耐熱性及耐溶劑性等,均以NC與BCO先混合再添加PTDI者(即NC→BCO→PTDI),較先以BCO與PTDI反應後再添加NC者(即BCO→PTDI→NC)為佳,但2種不同添加次序Semi-IPNs之乾燥時間及膠化時間等塗料性質則無明顯區別。 |
英文摘要 | The PU-NC semi-interpenetrating polymer networks (semi-IPNs) made from blown castor oil (BCO) based polyurethane (PU) and nitrocellulose (NC) under NCO/OH=1.2 (molar ratio) and PUINC=70/30, 50/50, 30/70 (by weight) respectively, were prepared by sequential polymerization method for wood coatings. To investigate the effects of adding sequence of components on the properties of PU-NC semi-IPNs wood coatings, two kinds of adding sequence were examined in this study. The results indicated that under the same formulations of PU-NC semi-IPNs, the degree of interpenetrating between PU and NC, tensile strength, hardness, lightfastness, heat resistance and solvent resistance of films of NC→BCO→PTDI sequence were better than those of BCO→PTDI→NC sequence, while the viscosity, drying time, and geltime of coatings, were not different significantly. |
本系統中英文摘要資訊取自各篇刊載內容。