polymerization degree

Study of polymerization degree and chain transfer for butadiene polymerization in the presence of molybdenum and iron catalyst systems

钼体系与铁体系催化丁二稀聚合反应聚合度与链转移的研究

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Studies on shortening polymerization period of PVC paste resins with high polymerization degree

缩短高聚合度PVC糊树脂聚合时间的研究

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The Measurement of Polymerization Degree of Cotton Fibre with Copper Ammonia Solution

铜氨溶液法测定棉纤维聚合度

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Flame retardancy of a high polymerization degree PVC, plasticizer and flame retardant elastomer is studied.

研究了高聚合度聚氯乙烯树脂与增塑剂及阻燃剂共混弹性体材料的阻燃性能.

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Study on technological experiment of chain extender used in trial of high polymerization degree PVC resin

扩链剂应用于试制高聚合度PVC树脂工艺技术实验研究

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The shape of A-type and B-type crystallite is basically spherical, and their diameter is 2~ 10 μ m. Their relative crystallinity is 80% and the polymerization degree ( DP) of peak values is 14~ 19.

实验中所得A-型和B-型微晶的相对结晶度为80%左右，外形多数为球形，直径一般在2~10μm之间，峰值聚合度DP在14~19之间。

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The Measuring and Analysing of Polymerization Degree of Silicic Acid in the Course of Gelation of Water Glass

水玻璃溶液胶凝过程中硅酸聚合度的测定及分析

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And the rate of the polymer with 6 of polymerization degree had greater than that of the polymer, which polymerization degree was 18.But they had nearly the same content of residual amic acid at 20 min.

聚合度为6的聚酰胺酸反应速率稍大于聚合度为18的聚酰胺酸，但在反应初期较聚合度为18的慢，且它们的剩余聚酰胺酸的质量分数较为相近。

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METHODS: The experiment was performed at the Tissue Engineering Scaffold Materials Laboratory, Sichuan University from February to May 2006. CPP with different polymerization degree was prepared by controlling the calcining time.

方法：实验于2006-02/05在四川大学组织工程支架材料研究室完成。通过控制煅烧时间制备得到具有不同聚合度的聚磷酸钙材料。

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