聚磷酸铵的制备及阻燃性能测试——介绍一个应用化学综合实验

doi:10.3866/PKU.DXHX202112001

Abstract

Abstract:

A comprehensive applied chemistry experiment is introduced in this paper, including the synthesis, characterization, and performance of ammonium polyphosphate (APP). This experiment consists of the preparation of APP by low-temperature solvent method, the characterization of APP through Fourier-transform infrared spectroscopy and X-ray diffraction analysis, and the examination of solubility, flame retardancy as well as oxygen index. This experiment can improve students' ability to broaden the basic chemical knowledge and cultivate the critical thinking, which would greatly assist the training of students' solid and comprehensive skills, thus, improving the teaching quality of the applied chemistry major.

Key words: Ammonium polyphosphate (APP), Fire retardant, Oxygen index, Comprehensive applied chemistry experiment

MSC2000:

Jianghua Li, Juntao Tang, Mei Mei, Wansong Chen, Limiao Chen, Fa Zhou, Jianhan Huang, Younian Liu. Preparation and Flame Retardancy Test of Ammonium Polyphosphate: A Comprehensive Applied Chemistry Experiment[J].University Chemistry, 2022, 37(12): 2112001.

Figures/Tables 6

References 11

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品名	用量	品名	用量
聚乙烯醇缩甲醛胶	25.0 mL	聚磷酸铵	22 g
三聚氰胺	11.5 g	季戊四醇	6.0 g
六偏磷酸钠(10%)	5.0 mL	甲基硅油消泡剂	0.5 mL
羧甲基纤维素钠	3.0 mL	去离子水	22.0 mL

编号	O₂流量/(L?min^?1)	N₂流量/(L?min^?1)	OI/%
0^#	0.8	3.5	18.5
1^#	1.3	2.7	32.5
2^#	1.4	2.7	34.1
3^#	1.4	2.5	35.8

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Preparation and Flame Retardancy Test of Ammonium Polyphosphate: A Comprehensive Applied Chemistry Experiment

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