Flame-retardant polyimide cross-linked with polyhedral oligomeric octa(aminophenyl)silsesquioxane

Haibo Fan; Rongjie Yang

doi:10.1021/ie303281x

Flame-retardant polyimide cross-linked with polyhedral oligomeric octa(aminophenyl)silsesquioxane

Haibo Fan, Rongjie Yang^*

^*Corresponding author for this work

Ministry of Education in China

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

Polyimide (PI) composites cross-linked through octa(aminophenyl) silsesquioxane (OAPS) were thermally cured with a controlled temperature program. The compatibility between OAPS and PI was good. FTIR analysis indicated that the imidization reaction was complete. TGA results indicated that OAPS did not change the decomposition path of PI. The incorporation of OAPS into PI improved a little the tensile strength and Young's modulus. The fire resistance performances of the PI/OAPS composites were evaluated. The LOI tests showed that incorporation of OAPS into PI improved the flame retardancy significantly. The mechanism of the flame retardancy of the composites was studied. The volatile pyrolysis products of PI/OAPS composites were similar to those of the PI control. However, the decomposition products of OAPS remained in the condensed phase and improved the thermo-stability of the char efficiently. The out-migration effect of silicon was beneficial to protect the compact char.

Original language	English
Pages (from-to)	2493-2500
Number of pages	8
Journal	Industrial and Engineering Chemistry Research
Volume	52
Issue number	7
DOIs	https://doi.org/10.1021/ie303281x
Publication status	Published - 20 Feb 2013
Externally published	Yes

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title = "Flame-retardant polyimide cross-linked with polyhedral oligomeric octa(aminophenyl)silsesquioxane",

abstract = "Polyimide (PI) composites cross-linked through octa(aminophenyl) silsesquioxane (OAPS) were thermally cured with a controlled temperature program. The compatibility between OAPS and PI was good. FTIR analysis indicated that the imidization reaction was complete. TGA results indicated that OAPS did not change the decomposition path of PI. The incorporation of OAPS into PI improved a little the tensile strength and Young's modulus. The fire resistance performances of the PI/OAPS composites were evaluated. The LOI tests showed that incorporation of OAPS into PI improved the flame retardancy significantly. The mechanism of the flame retardancy of the composites was studied. The volatile pyrolysis products of PI/OAPS composites were similar to those of the PI control. However, the decomposition products of OAPS remained in the condensed phase and improved the thermo-stability of the char efficiently. The out-migration effect of silicon was beneficial to protect the compact char.",

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AU - Fan, Haibo

AU - Yang, Rongjie

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N2 - Polyimide (PI) composites cross-linked through octa(aminophenyl) silsesquioxane (OAPS) were thermally cured with a controlled temperature program. The compatibility between OAPS and PI was good. FTIR analysis indicated that the imidization reaction was complete. TGA results indicated that OAPS did not change the decomposition path of PI. The incorporation of OAPS into PI improved a little the tensile strength and Young's modulus. The fire resistance performances of the PI/OAPS composites were evaluated. The LOI tests showed that incorporation of OAPS into PI improved the flame retardancy significantly. The mechanism of the flame retardancy of the composites was studied. The volatile pyrolysis products of PI/OAPS composites were similar to those of the PI control. However, the decomposition products of OAPS remained in the condensed phase and improved the thermo-stability of the char efficiently. The out-migration effect of silicon was beneficial to protect the compact char.

AB - Polyimide (PI) composites cross-linked through octa(aminophenyl) silsesquioxane (OAPS) were thermally cured with a controlled temperature program. The compatibility between OAPS and PI was good. FTIR analysis indicated that the imidization reaction was complete. TGA results indicated that OAPS did not change the decomposition path of PI. The incorporation of OAPS into PI improved a little the tensile strength and Young's modulus. The fire resistance performances of the PI/OAPS composites were evaluated. The LOI tests showed that incorporation of OAPS into PI improved the flame retardancy significantly. The mechanism of the flame retardancy of the composites was studied. The volatile pyrolysis products of PI/OAPS composites were similar to those of the PI control. However, the decomposition products of OAPS remained in the condensed phase and improved the thermo-stability of the char efficiently. The out-migration effect of silicon was beneficial to protect the compact char.

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Flame-retardant polyimide cross-linked with polyhedral oligomeric octa(aminophenyl)silsesquioxane

Abstract

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