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題 名 | 海綿橡膠回收料浸泡溶劑對硫化反應之影響 |
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作 者 | 李得元; 張錦松; 蔡利局; 林彰泰; | 書刊名 | 嘉南學報 |
卷 期 | 20 1994.11[民83.11] |
頁 次 | 頁49-60 |
分類號 | 467.2 |
關鍵詞 | 氯平橡膠; 橡膠回收; 橡膠海綿; 邊料; 浸泡溶劑; 硫化反應; Polychloroprene; Rubber recycling; Sponage; Scrap; Immersing solvent; Vulcanization; |
語 文 | 中文(Chinese) |
中文摘要 | 本文首先以切割式混碎機將廢棄橡膠邊料研磨製成粉末,再分別浸泡 於甲乙酮、甲苯、乙醇、乙酸乙酯等四種溶劑後,混入新料中,加熱硫化成樣品. 以討論回收料浸泡溶劑對加工過程及產品物性的影響,其中加工過程是以流變硫 化儀測得扭力隨時間的變化。結果發現:添加經溶劑浸泡過之回收膠料會使硫化 反應提早發生及提早結束、全程硫化時間縮短,但差異不大、扭力變化則以浸泡 甲笨名下降最多;所得樣品之密度與硬度不變、伸張強度與伸長率則有些許下降; 撕裂強度則足浸泡甲乙酮、甲苯者上升,而浸泡乙醇、乙酸乙酯者下降.以上性 質改變並不因溶劑是否為碎料橡膠(氯平橡膠)之相容溶劑與否而有所區分。另由 電子顯微鏡掃描照片,可看到經四種溶劑浸泡過之膠料。其等顆粒表面之結構均 較為鬆弛,尤其是氮下橡膠之相容的溶劑,甲苯及酯類,但經混合硫化成樣品後, 其等之表而並無差別。 |
英文摘要 | The present work , the recycling rubber scraps made from the manufacture of the rubbersponages were ground by using cutting-grinder. Then, the ground powders immersed in four solvents individually were added to the fresh raw rubbers, which were vulcanized to products and investigated effects of the solvent-immersing on the vulcanization. The results were as followed.The pretreatment of the recycling rubber powder immersed in the sovents made the vulcanizationstarting and ending earlier and the allover vulcanizing time shorter, but all change were notmuch. The decreasing of the torque occurred on the sample immersed in toluene was maximum,but not over than 8. No matter if they were immersed in solvent, all products had the same density and hardness, while decreased in the tensile strength and elongation and random in the tearstrength. The change aboved were not distinguished by immersing in the solvent or nonsolvent ofpolychloroprene. The changes on the surface of recycling rubber powders and products were alsoobserved by the SEM. |
本系統中英文摘要資訊取自各篇刊載內容。