用三羟甲基乙烷(TME）合成高端树脂的配方

Forrest · 发表于 2008-3-21 16:23:08

高固体分烘干磁漆

Typical Composition 典型组分
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Diols二元醇 – Diethylene glycol, 1,4 butane glycol, TMPD, 1,6 hexane glycol 二甘醇、1，4丁二醇，TMPD乙二醇、1，6己二醇
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Triol – Trimet TME 多元醇
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Dibasic Acids 二元酸– Isophthalic Acid, Adipic Acid, Phthalic Anhydride 间苯二甲酸、脂肪酸、邻苯二甲酸酐
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Short Chain Mono-acids 短链一元酸– Coconut Fatty Acid, Benzoic Acid 椰子油脂肪酸、安息香酸
Processing 处理
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All components are Typically loaded to Reactor at Once 所有组分马上装入反应釜内
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Maximum Process Temperature 200C-240C温度控制在200-400C
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Water is Removed by Azeotrop (Xylene), Vaccum, or Heat (Fusion) 利用溶剂法(二甲苯）、真空或加热（熔融）法去除水分
Benefits of Trimet TME in Baking Enamels 烘干磁漆使用TME的优势
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Hardness and Impact Resistance 硬度和抗冲击性
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Thermal Stability – resistance to over-bake (discoloration)热稳定性-耐烘烤（变色）
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Chemical and Stain Resistance
耐化学性和耐沾污性
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Weathering Resistance – gloss retention and moisture resistance 耐候性-保光性和耐湿性

水基醇酸树脂

Typical Composition 典型组分
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Fatty acids 脂肪酸– Soya, Tall oil, or Linseed 豆油，长油，或亚麻仁油
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Polyol – Trimet TME多元醇
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Dibasic Acids二元酸 – Isophthalic acid or Phthalic anhydride间苯二甲酸、邻苯二甲酸酐
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Trimellitic anhydride (TMA) or DMPA®偏苯三酸酐或二羟甲基丙酸

Processing – TMA or DMPA® 处理
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TMA – Lower cost and lower solids偏苯三酸酐-成本低，低固体分
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DMPA® – Higher cost and higher solids二羟甲基丙酸，成本高，高固体分

Benefits 优势
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Hydrolytic stability, Film hardness, Chemical Resistance, and Drying 水解稳定性，涂膜硬度，耐化学性和干燥。

有机硅聚酯树脂

Typical Composition 典型组分
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Polyol多元醇– Trimet TME三羟甲基乙烷
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Dibasic Acid二元酸 – Isophthalic Acid间苯二甲酸
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Silicone Resin硅树脂 – SY231® Wacker
Processing处理
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Prepare polyester resin and thin with solvent – aprotic solvents制备聚酯树脂，用疏质子溶剂稀释
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Methylamyl ketone, propylene glycol mono-methylether acetate (PMAcetate®)甲基戊基酮，丙二醇甲醚醋酸酯
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Co-polymerize with Silicon resin 与硅树脂聚合
Benefits 优势
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Excellent thermal stability and color retention优异的热稳定性和保色性
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Excellent Weathering properties – gloss retention and moisture resistance优异的耐候性-保光性和耐湿性

聚氨酯树脂

Polyester resins for 2 component urethanes双组分聚氨酯树脂用的聚酯树脂
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Polyesters formulated with TME, dibasic acids, and linear diols用TME，二元酸和直链二元醇制备聚酯树脂
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Polyester resin is blended with isocyanate at time of application使用时，聚酯树脂和异氰酸酯混合
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Coatings can be clear or pigmented 可以制备成清漆或有色漆
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Industrial maintenance coatings, Marine coatings, Automotive clear coats工业维护涂料，船舶涂料，汽车清漆

Polyester polyols for single component moisture cure resins多羟基聚酯用于制备湿固化型单组分聚氨酯树脂
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Polyesters formulated with TME, dibasic acids, linear diols, and diisocyanates用TME，二元酸、直链二元醇和二异氰酸酯制备聚酯树脂
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Less branched than polyesters for 2 component urethanes对比双组分聚氨酯树脂用的聚酯，支链更少
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2 step reaction – formulate polyester then react with isocyanate 2步式反应，聚酯树脂制备好后与异氰酸酯反应
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Ratio of NCO:OH 1.6 – 2.0 NCO和OH之比1.6~2.0
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Cures by reaction with atmospheric moisture to form urea linkage与空气中的水分作用，交联固化。
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Example: Solucote 373MA 例如Solucote 373MA

环氧树脂

Reacts readily with Epichlorohydrin to form
Tri-epoxide与表氯醇反应得到三环氧化物
Application用途
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Viscosity modifier for High viscosity epoxy resins 高粘度环氧树脂的粘度调整剂
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Cross-linking epoxy intermediate 交联环氧树脂的中间体
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Improved chemical resistance for epoxy coatings 改进环氧树脂的耐化学性
Example - ERISYS® GE-31 CVC Specialty Chemicals Inc.
例如CVC Specialty Chemicals Inc 公司的ERISYS® GE-31

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[ 本帖最后由 Forrest 于 2008-3-21 16:33 编辑 ]