阻燃改性环氧树脂的抗紫外老化研究

doi:10.11896/cldb.22080234

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Abstract The effect of UV aging on the properties of flame retardant modified epoxy resin (E51) after adding different ratios of light stabilizer Tinuvin 770 and antioxidant Irganox 1010 was studied. Chemical structure, surface morphology, mechanical properties, flame retardant properties and thermal properties were tested, it is found that UV irradiation destroys the structure of flame retardants, and degrades and oxidizes epoxy re-sins. Different ratios of anti-aging agents improve the retention rates of mechanical properties and flame retardant properties. Antioxidant-only samples showed the best performance after 28 d of aging. The retention rates of tensile and flexural strengths increased to 100.10% and 92.50%, compared with 80.37% and 81.61% of the samples without anti-aging agent. The limiting oxygen index (LOI) increased from 34.4% to 37.5% and the antioxidants made the thermal stability of the samples better. The results show that the addition of antioxidant Irganox 1010 is the best for improving the anti-ultraviolet aging properties of flame retardant modified epoxy resin.

Key words： ultraviolet aging epoxy resin intrinsic phosphorus flame retardant light stabilizer antioxidant

Published: Online: 2024-01-16

CLC number:

TQ314

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	Articles by authors
	ZHAO Mingming
	WANG Jihui
	NI Aiqing
	CHEN Junlei
	WANG Changzeng
	WU Zhichao

Cite this article:

ZHAO Mingming,WANG Jihui,NI Aiqing, et al. Study on Anti-ultraviolet Aging of Flame Retardant Modified Epoxy Resin[J]. Materials Reports, 2024, 38(1): 22080234-7.

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http://www.mater-rep.com/EN/10.11896/cldb.22080234 OR http://www.mater-rep.com/EN/Y2024/V38/I1/22080234

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