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- Preparation of Low Free TDI Polyurethane Crosslinker 低游离TDI聚氨酯固化剂的合成
- Keywords low free TDI content;polyurethane;curer;performance; 低游离TDI;聚氨酯;固化剂;性能;
- low free TDI content 低游离TDI
- low free TDI 低游离TDI
- The article gave a minute description of operational method and skill in measuring trace free TDI in polyurethane prepolymer by gas chromatography. 详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离TDI的操作方法和技巧。
- Adopting internationally advanced “thin fi lm evaporation method” to lower the content of free TDI, the curative agent meets national standards. 固化剂采用国际先进的“薄膜蒸发法”，降低游离TDI含量，符合国家标准。
- The pilot and scale production results have shown that this technology will reduce the free TDI content dramatically without influencing on other properties of the product. 中试和生产结果表明,采用该方法可以明显降低产品的游离TDI含量,并且对产品的其他性能没有明显影响。
- Fang Xu-sheng,Zhang Cai-zhen.Extension property of stuctures of polyols and free TDI of polyisocyanate prepolymer[J].Modern Paint and Finishing,2004(5):5-11. [1]方旭升;张彩珍.;多元醇的结构舒展性与多异氰酸酯预聚物的游离[J]
- Method of lowering content of free TDI in polyisocyanate prepolymer is introduced. Technology status quo in China is discussed. Its development orientation is proposed. 介绍了降低多异氰酸酯预聚物中游离TDI含量的方法，以及我国当前的技术状况，并就发展方向提出了建议。
- With the extreme low free formaldehyde adhesive, it is harmless to health and is a green product. 采用极低游离甲醛胶合剂,对人体无害是最具环保色彩的绿色产品。
- A preparation method of urea-formaldehyde resin adhesive with low free formaldehyde content and high adhesive strength was presented. 介绍了含游离甲醛低的粘结强度大的建筑行业用脲醛树脂粘合剂的制备方法。
- The synthesis method was modified to achieve low free formaldehyde in sulfonated amino resin and to improve its retanning and filling properties in leather making industry. 以获得低游离甲醛含量的氨基树脂为目的,并改善其复鞣填充的综合性能,对磺化氨基树脂合成工艺进行了改进。
- The reasons of low free SO2 content in litchi fruit wine were investigated in this paper and the addition of N source nutritions to increase free SO2 content was also studied. 本文探讨了荔枝酒中游离SO2偏低的原因,并研究了通过添加N源营养素来增加游离SO2的含量。
- This paper introduced a preparation of modified polyvinyl formal adhesive.The adhesive has advantage of low free formaldehyde content,good viscosity stability and low temperature storage stability. 介绍了聚乙烯醇缩甲醛改性胶粘剂的制备方法。该胶粘剂具有粘度高,游离甲醛低,稳定性好的优点。
- However, because of lower free energy in the surface of Fluororesin, it's too difficult to be dissolved to be used in the artifacts protection. 氟树脂的耐老化性能被文物保护领域认可，但由于氟树脂是表面自由能最低的树脂，因此氟树脂的溶解困难，粘附性差阻碍了它在文物保护领域的应用。
- Study on the Ways Reducing the Content of the Free TDI 降低游离TDI含量的方法研究
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- There are several influencing factors of BSR including lower free gas, sequence boundary/flooding surface, depositional thickness of gas hydrate, and so on. 研究认为，影响BSR发育的主要因素包括：其下伏的游离气、层序界面／海泛面、水合物沉积层厚度等；
- The singer forced his low notes. 那位歌手勉强唱出低音。
- Keywords isocyanate prepolymer;curing agent;content of free TDI; 异氰酸酯预聚物;固化剂;游离TDI含量;
