Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 27 checked references that resolve
resolves10.1039/b702511dFire retardant polymers: recent developments and opportunities
resolves10.1016/0141-3910(84)90098-3Study of the mechanism of intumescence in fire retardant polymers: Part III—Effect of urea on the ammonium polyphosphate-pentaerythritol system
resolves10.1021/am500789qAn Efficient Mono-Component Polymeric Intumescent Flame Retardant for Polypropylene: Preparation and Application
resolves10.1002/pat.3108Synergistic effects of 4A zeolite on the flame retardant properties and thermal stability of a novel halogen‐free PP/IFR composite
resolves10.1002/pen.24263Synergistic effects of 4A zeolite on the flame‐retardant properties and thermal stability of an efficient halogen‐free flame‐retardant EVA composite
resolves10.1080/00222348.2011.625909Synergistic Effect of Phosphorus-Containing Montmorillonite with Intumescent Flame Retardant in Polypropylene
resolves10.1002/pat.3320Roles of organic intercalation agent with flame retardant groups in montmorillonite (MMT) in properties of polypropylene composites
resolves10.1002/pat.3191Synergistic effects of organo‐sepiolite and zinc borate on the fire retardancy of polypropylene
resolves10.1016/S0141-3910(01)00179-3Organosilicon surface layer on polyolefins to achieve improved flame retardancy through an oxygen barrier effect
resolves10.1002/pat.3273Combined effect of transition metal phosphide (M<sub>x</sub>P<sub>y</sub>, M = Ni, Co, and Cu) and intumescent flame retardant system on polypropylene
resolves10.1002/app.25178Synergistic effect of supported nickel catalyst with intumescent flame‐retardants on flame retardancy and thermal stability of polypropylene
resolves10.1002/pat.1088Study on a novel and efficient flame retardant synergist–nanoporous nickel phosphates VSB‐1 with intumescent flame retardants in polypropylene
resolves10.1039/c3ta13538aIncreasing the efficiency of intumescent flame retardant polypropylene catalyzed by polyoxometalate based ionic liquid
resolves10.1016/S0032-3861(97)00492-8Dynamic flame retardancy of polypropylene filled with ammonium polyphosphate, pentaerythritol and melamine additives
resolves10.1007/s10973-012-2211-zEffects of common synergistic agents on intumescent flame retardant polypropylene with a novel charring agent
resolves10.1002/vnl.20152Synergistic effects of nano‐Mn
<sub>0.4</sub>
Zn
<sub>0.6</sub>
Fe
<sub>2</sub>
O
<sub>4</sub>
on intumescent flame‐retarded polypropylene
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