| 特殊分子质量的邻甲酚酚醛树脂的合成及应用 |
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| 引用本文： | 杨金瑞,丛培军,邵永智,余尚先.特殊分子质量的邻甲酚酚醛树脂的合成及应用[J].热固性树脂,2009,24(6):1-4. |
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| 作者姓名： | 杨金瑞 丛培军 邵永智 余尚先 |
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| 作者单位： | 1. 北京师范大学化学学院,北京,100875
2. 威海经济技术开发区天成化工有限公司,山东,威海,264205 |
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| 摘 要： | 采用碱酸分步催化的方法合成了一系列高分子质量、低分子质量分布的纯邻甲酚和以邻甲酚为主成分的邻甲酚系线形酚醛树脂。对产物的物理化学性能以及以该类树脂作为PS版成膜树脂时版材的成像性能进行了测试。研究了合成工艺对产物性能的影响。结果表明,酚醛比接近1∶1时,合成树脂的分子质量在9 000~12 000,Mw/Mn在2~4;酚类的加入顺序十分重要;在碱性阶段出水量需达到总出水量的1/3左右。可通过加入抗碱性的酚类化合物来调节树脂碱溶性或溶剂性能。该合成方法简单、成本低廉,污染小。合成的树脂可用于PS版、热敏CTP版以及LCD用抗蚀剂等方面。
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| 关 键 词： | 邻甲酚 线形酚醛树脂 高分子质量 低分子质量分布 碱酸分步催化 |
Synthesis and application of o-cresol novolac with high Mw and low Mw/Mn |
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| YANG Jin-rui,CONG Pei-jun,SHAO Yong-zhi,YU Shang-xian.Synthesis and application of o-cresol novolac with high Mw and low Mw/Mn[J].Thermosetting Resin,2009,24(6):1-4. |
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| Authors: | YANG Jin-rui CONG Pei-jun SHAO Yong-zhi YU Shang-xian |
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| Affiliation: | YANG Jin-rui1,CONG Pei-jun2,SHAO Yong-zhi2,YU Shang-xian1(1.Department of Chemistry,Beijing Normal University,Beijing 100875,China,2.Weihai Economy and Technology Zone Tiancheng Chemical Engineering Co.Ltd.,Weihai 264205,China) |
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| Abstract: | A stepwise base-acid catalyzed reaction was used to synthesize the pure o-cresol novolac and novolac with o-cresol as main component,both of which had high Mw and low Mw/Mn.The physical and chemical properties of the produts and the imaging performance of the PS pringting plate using the product as film forming resin were tested.The effect of synthtic process on the properies of procuct was studied.The results showed that the Mw and Mw/Mn of the resulting novolac with molar ratio of phenol to formaldehyde 1... |
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| Keywords: | o-cresol novolac high molecular weight low molecular weight distribution stepwise base-acid catalyzed reaction |
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