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- Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin. 将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性,克服其易于氧化变色的缺点。综述了40多年来国内外对松香催化加氢反应的研究进展。
- Synthesis of Low-viscosity Phenolic -modified Abietic Resin 低粘度酚醛改性松香树脂的合成
- Keywords phenolic -modified abietic resin;synthesizing method;technical co ndition; 酚醛改性松香树脂;合成方法;工艺条件;
- The basin is made of synthetic resin. 这个盆是用合成树脂做的。
- abietic resin 松香树脂
- They are made of a common plastic resin. 它们是用一种普通的塑胶合成树脂做成的。
- This shelf was made of synthetic resin. 这个架子是合成树脂做的。
- A paint containing acrylic resin. 丙烯酸树脂漆含丙烯酸树脂的涂料
- Amber is the resin of pine trees that grew very very long ago. 琥珀是古老的松脂。
- Excess resin is suspended in the crude homogenate. 过量的树脂悬浮于粗匀浆中。
- Opacity is due to crazes in the resin. 不透明是因树脂中产生裂纹。
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- How does the supplier control resin content? 如何控制树脂砂含量?
- The modified resin hasgreat application foreground. 这些改性树脂具有较好的应用前景。
- Diethylenetriamine will swell the resin. 二乙烯三胺将使树脂膨胀。
- A styrene-modified alkyd resin was synthesized via. 醇酸树脂涂料。
- A Mature Polyamide Resin Producer and Exporter. 成熟的聚酰胺树脂生产商和出口商。
- It's a modified acrylic resin based coating. 是以改性丙烯酸树脂为基料制成。
- SPECIAL POLYURETHANE RESIN FOR DRY-PROCESS ADHESIV. 特殊干法表皮层聚氨酯树脂。
- SPECIAL POLYURETHANE RESIN FOR WET SYNTHETIC LEATH. 特殊湿法聚氨酯树脂。
