Study on flame retardance of co‐microencapsulated ammonium polyphosphate and dipentaerythritol in polypropylene | Zendy

Wang Zhengzhou | Zendy; Wu Kun | Zendy; Hu Yuan | Zendy

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Study on flame retardance of co‐microencapsulated ammonium polyphosphate and dipentaerythritol in polypropylene

Author(s) -

Wang Zhengzhou,

Wu Kun,

Hu Yuan

Publication year - 2008

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.21198

Subject(s) - ammonium polyphosphate , fire retardant , polypropylene , materials science , limiting oxygen index , thermal stability , polyphosphate , composite material , chemical engineering , ammonium , solubility , polymer chemistry , phosphate , chemistry , organic chemistry , char , pyrolysis , engineering

Co‐microencapsulated ammonium polyphosphate and dipentaerythritol [M(A&D)] was prepared using a melamine‐formaldehyde (MF) resin by in situ polymerization method, and characterized by XPS. The co‐microencapsulation of ammonium polyphosphate and dipentaerythritol (DPER) leads to a great improvement in water solubility of the additives. The flame retardant effect of M(A&D) in polypropylene (PP) is evaluated using limiting oxygen index (LOI) and UL 94 test, and the water resistance of the PP/M(A&D) composites is also studied. The flame retardant properties and water resistance of the PP/M(A&D) composites are much better than the ones of the PP/APP/DPER composites. Moreover, the thermal stability of the PP/M(A&D) composites is improved compared with the PP/APP/DPER composites. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers

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