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Preparation and characterization of cyclodextrin microencapsulated ammonium polyphosphate and its application in flame retardant polypropylene
Author(s) -
Ding Siyin,
Liu Peng,
Zhang Shimin,
Ding Yanfen,
Wang Feng,
Gao Chong,
Yang Mingshu
Publication year - 2020
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.49001
Subject(s) - ammonium polyphosphate , fire retardant , intumescent , polypropylene , materials science , cyclodextrin , chemical engineering , polyphosphate , composite material , polymer chemistry , chemistry , organic chemistry , phosphate , engineering
A novel microencapsulated ammonium polyphosphate (MAPP) with shell of crosslinked β‐cyclodextrin (HDI‐CD) was prepared. The HDI‐CD shell had a fibrous structure and covered with good completeness on the APP core, and a solid chemical bonding was found between the APP core and HDI‐CD shell. The microcapsules were more hydrophobic than the pristine APP. When compounded within polypropylene (PP), the MAPP exhibited good compatibility and dispersibility. The combustion testing results showed that the novel all‐in‐one intumescent flame retardant had efficient flame retardancy for PP materials.