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- And it shows that the solution polycondensation method is likely the most important and widely used way to synthesize aromatic polyimide up to now. 通过研究比较发现,溶液缩聚法是目前合成芳香族聚酰亚胺最好的实施方法。
- In this paper,direct synthesis of polylactic acid through solution polycondensation was studied,and the influence of solvents on molecular weight of polylactic acid was explored. 采用溶液缩聚法直接合成聚乳酸,主要探索了溶剂的种类对聚乳酸分子量的影响。
- In this paper the aromatic-aliphatic copolyamides were synthesized from terep-hthalyl chloride (TPC), p-phenyldiamine (PPD) and aliphatic diamines (ADA. H2N-(CH2-)nNH2, n=2,6,8,10, 12) by low temperature solution polycondensation. 本文对脂肪族二元胺(ADA、NH_2(CH_2)_nNH_2、n=2、6、8、10、12);对苯二胺(PPD)和对苯二甲酰氯(TPC)三元芳香-脂肪族共聚酰胺硫酸溶液的溶致液晶性能进行了研究.
- low-temperature solution polycondensation 低温溶液缩聚
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- Preparation of PPTA-pulp directly by solution polycondensation at low temperature 低温溶液直接缩聚法制备浆粕状芳纶纤维
- Study on selection of solvents in the synthesis of polylactic acid through solution polycondensation 溶液缩聚法合成聚乳酸中溶剂的选择研究
- Study on the Basic Laws of Low Temperature Solution Polycondensation for Direct Preparation of PPTA Pulps 低温溶液缩聚法直接制备PPTA浆粕基本规律的研究
- Keywords telechelic groups;liquid crystalline ionomers;sulfonate;nematic;solution polycondensation; 遥爪;液晶离聚物;磺酸基团;向列型;溶液缩聚;
- Keywords polysulfonamide;low-temperature solution polycondensation;relative molecular weight; 芳香族聚砜酰胺;低温溶液缩聚;相对分子质量;
- I simply refuse to conceive of such a solution. 这样的解决办法,我是绝对不考虑的。
- Keywords telechelic groups;main chain;liquid crystalline ionomers;nematic;solution polycondensation; 遥爪;主链;液晶离聚物;向列型;溶液缩聚;
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- Mary is sceptical about the solution. 玛丽对这个解决办法表示怀疑。
- Keywords poly(ether ketone ketone);random copolymer;low-temperature solution polycondensation;characterization; 聚醚酮酮;无规共聚物;低温溶液缩聚;表征;
- His problem did not really admit of any solution. 他的问题真是没有解决的可能。
- He doped out a solution to the problem. 他想出一个解决该问题的方法。
- The solution to this problem is acceptable. 这个问题的解决方案是可接受的。
- She has come to some most satisfactory solution. 她得到一个非常使人满意的解决方法。
- The solution of sugar was boiling down. 糖水煎浓成为糖浆。