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題 名 | 桐油熟煉溫度與石灰漿比對地仗耐久性之影響=Influence of Tung Oil Ripening Temperature and Lime Gel Ratio on the Durability of Di-zhang |
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作 者 | 黃金城; 林翰謙; 黃俊傑; 林栢成; 黃炫源; 徐婷郁; | 書刊名 | 林產工業 |
卷 期 | 21:4 2002.12[民91.12] |
頁 次 | 頁281-288 |
分類號 | 474.33 |
關鍵詞 | 桐油; 熟煉溫度; 地仗; 耐久性; 桐油灰; 傅立葉紅外線光譜儀; Tung oil; Ripening temperature; Di-zhang; Durability; Tung oil roughcasts; Fourier-Transform infrared spectroscopy; FTIR; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以熟煉後之桐油與石灰漿,依三種重量比調製成桐油灰,作為傳統彩繪地仗用塗料,並分別以色差計、傅立葉紅外光譜儀(FTIR)及冷熱循環試驗測定表面顏色變化、分析吸收峰變化及觀察塗膜之龜裂,所得結果藉以評估桐油灰之耐久性,其歸納如下:1.桐油熟煉溫度及加熱時間影響桐油之黏度且隨加熱時間增加而遞增。在相同加熱時間下, 熟煉溫度230℃者黏度最大,其次為220℃,最小者為210℃。2.不同熟煉溫度之桐油其色數值範圍介於7.0-8.2之間。3.就指觸乾燥時間而言,熟煉溫度230℃者比210及220℃者之時間短。另在相同熟煉溫度下,石灰漿較多時,其乾燥時間較短。4.分析表面顏色變化知,各種桐油灰隨照光時間增長,其色差值呈緩慢上升趨勢。就黃色指數而言,各桐油灰經照光2天後,表面顏色黃化程度變化較快。5.FTIR分析顯示,桐油未熟煉與熟煉後之光譜圖顯示,其吸收峰並無變化,但調配石灰者,則在3512cm^(-1)處有水的羥基(-OH)之吸收峰。6.不同熟煉溫度桐油所調配之桐油灰經紫外光(UV)照光2016h後,其FTIR光譜圖之吸收峰並無變化,表示塗膜尚未被光降解。7.從冷熱循環試驗知,210及220℃者經29次循環後則尚未發生龜裂,但熟煉溫度230℃者其石灰漿比愈多時愈不易龜裂。 |
英文摘要 | Tung oil roughcasts, as the undercoating-painted Di-zhang, composed of three of weight ratios with ripening Tung oil and lime gels in this study. The durability of Tung oil roughcasts were evaluated by mean of the change in color of surface, the influence of the absorbance peak and the coating film check-performed using a color difference instrument, the Fourier-Transform Infrared spectroscopy (FTIR) and the tests of hot and cold cycles. The results obtained are summarized as follow: 1. Tung oil ripening temperature and heat boiled time influenced Tung oil viscosity. The increaser the heat boiled time, the higher the viscosity. Tung oil viscosity at the same heat boiled time became higher when the ripening temperature was at 230℃, followed the temperature at 220 and then 210℃. 2. The range of color numbers for Tung oil ripening temperature at 210, 220 and 230℃ was between 7.0 and 8.2. 3. The drying time of the ripening temperature at 230℃ was shorter than the others, 210 or 220℃, in the test of set-to-touch drying time. The more the ratio of lime gel at the same ripening temperature, the shorter the drying time. 4. In the analysis of change in color surface, each Tung oil roughcasts after ultraviolet (UV light) irradiation increased somewhat with increasing slowly tendency of color difference. Results of yellowness index showed that each Tung oil roughcasts after 2 days of UV light irradiation increased significantly. 5. The FTIR analysis indicated that the absorbance peak at spectra for Tung oil after and before ripening was unchanged. However, the absorbance peak at 3512cm^(-1) was a hydroxy group (-OH) ofwater because the water was contained in the lime gel. 6. The absorbance peak on the FTIR spectra was unchanged after each Tung oil roughcasts was irritated with UV light for 2016h. This suggested that the photo degradation was not caused in the surface of coating film. 7.The coating film-checked in the hot and cold cycles tests showed that Tung oil ripening temperature at 210 and 220℃ were not occurred yet after 29 cycles, but the temperature at 230℃ was not easy to occurred film-checked with increasing the ratio of lime gel. |
本系統中英文摘要資訊取自各篇刊載內容。