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題名 | 結構用集成材膠合劑之研究 (第3 報):聚脲酯樹脂膠合劑 |
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作者 | 劉正字; 林正榮; | 書刊名 | 林產工業 |
卷期 | 6:4 1987.12[民76.12] |
頁次 | 頁1-12 |
分類號 | 474.12 |
關鍵詞 | 結構; 聚; 膠合劑; 樹脂; 酯; |
語文 | 中文(Chinese) |
中文摘要 | 本試驗之目的,在探討自行合成具各種性質的反應性聚酯與多元異氰酸塩Coronate L'-75,在不同配合比例下所謂製的聚脲酯(polyurethane;略稱PU)木材膠合劑之膠合性,和以其作為結構用集成材用膠之可行性。結果顯示低比重之被膠合材可以PU膠作為結構用集成材之用膠。 |
英文摘要 | The purpose of this study was twofold. One was intended to exam the gluability of polyurethane resin adhesives (PU) which was mixed with different lab synthesized reactive polyesters and a polyisocyanate by various molar ratio of NCO/OR+COOR. The other was aimed to investigate the feasibility-to use PU as bonding agent for structural glu-lam timbers manufacturing. The results were summarized below: 1. The gluability of PU was affected by the type of reactive polyesters and its properties (OR/COOR molar ratio, acid No. and Nydroxyl No.), and was influenced by molar ratio of NCO/OR+COOR. 2. The bonding strength of dry test was improved apparently by the application of fillers. But, that of cyclic boiling test (boiling water 4 hrs. 60°C oven 20hrs. boiling water 4 hrs.) has shown negative effect. 3. If the PU was used to 'be the bonding agent of glu-lam timbers for structural purpose, the specific gravity of wood members used was the most important factor that affected the properties of glu-Iam timbers. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。