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| 題 名 | PE-NC semi-IPNs木器塗料(1)--塗料之可使用時間及乾燥性=PE-NC semi-IPNs Wooden Coatings (Ⅰ)--Pot-life and Drying Character of Coatings |
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| 作 者 | 盧崑宗; 李文昭; 劉正字; | 書刊名 | 林業研究季刊 |
| 卷 期 | 24:2 2002.06[民91.06] |
| 頁 次 | 頁21-28 |
| 分類號 | 474.33 |
| 關鍵詞 | 不飽和聚酯樹脂; 硝化纖維素; 半互穿聚合體網狀結構物; 可使用時間; 乾燥性; 木器塗料; Unsaturated polyester resin; Nitrocellulose; Semi-interpenetrating polymer networks; Pot-life; Drying character; Wooden coatings; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 本研究係將不和聚酯樹脂(PE)與硝化纖維素(NC)摻合而成PE-NC半互穿聚合體網狀結構物(PE-NC semi-IPNs),並分析其作為木器塗料之可行性。其中PE係由順丁烯二酸酐:鄰苯二甲酸酐:二乙二醇依莫耳比1:1:2.05之條件反應而成,並添加30%之乙烯及不同比列催化劑(甲乙酮過氧化物)/促進劑(環烷酸鈷)/氧化防止劑(十二烷硫醇),調配成各種PE洋料,另將PE與NC以不同重量比摻合製成PE-NC semi-IPNs,各調配塗料分別探討其可使用時間及乾燥性。試驗結果得知,各種配方之PE塗料,可使用時間以催化劑/促進劑/氧化防止劑=1.5/0.05/0.1(對樹脂重量之百分比)者最長,然僅達17min,而PE-NC semi-IPNs塗料則可大幅延長塗料之可使用時間。又各種配方之PE塗料在常溫及空氣中均無法乾燥,而PE-NC semi-IPNs塗料在NC含量在40%以上時,其塗膜可在常溫及空氣下乾燥,PE/NC=50/50者塗膜乾燥時間可縮短至2.15hr。 |
| 英文摘要 | Unsaturated polyester resin (PE) was synthesized with maleic anhydride: phthalic anhydride: diethylene glycol=1:1:2.05 (molar ratio), and 30% syrene (by wt.) would be added and mixed with catalyst (MEKPO)/accelerator (Co-Naph.)/oxidation inhibitor (dodecyl mercaptan) at various wt.% ratio to form PE coatings. Meanwhile, PE-NC semi-IPNs (Semi-interpenetrating polymer networks) were prepared by blending PE and NC (nitrocellulose) at various wt. % ratio for wooden coatings. The pot-life and drying character of PE and PE-NC semi-IPNs coatings were examined. The results revealed that PE coating at catalyst/ accelerator/ oxidation inhibitor=1.5/0.05/0.1 condition had the longest pot-life, but only 17 min. however, blending PE with NC, i. e. PE-NC semi-IPNs coatings, could prolong the pot-life of PE coatings significantly. All of PE coatings were unable to dry at room temperature and ambient atmosphere, but the films of PE-NC semi-IPNs coatings which NC content was above 40% could be dried at the same environment, especially that of PE/NC=50/50 had the shortest drying time of 2.15 hr only. |
本系統中英文摘要資訊取自各篇刊載內容。