1. 毕业设计（论文）的内容和要求

1. 查阅资料，熟悉了解水性聚氨酯的特性及pu的制备过程。

2. 探讨不同单体对pu改性的工艺条件。

3. 研究基于改性后的pu的加工的工艺条件。

2. 参考文献

[1] lapprand a, boisson f,delolme f, mechin f, pascault j p. reactivity of isocyanates with urethanes: conditions for allophanate formation.polymer degradation and stability, 2005,90(2):363-373.

[2] murgasova r, brantley e l, hercules d m,nefeger h. characterization of polyester-polyurethane soft and hard blocks by a combination of maldi, sec, and chemical degradation.macromolecules, 2002,35(22):8338-8345.

[3] de lima v,pelissoli n d,dullius j,ligabue r,einloft s. kinetic study of polyurethane synthesis using different catalytic systems of fe,cu,sn,and cr. journalof applied polymer science,2010,115(3):1797-1802.

3. 毕业设计（论文）进程安排