2017
DOI: 10.1002/fam.2428
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Influence of zinc borate on flame retardant and thermal properties of polyurethane elastomer composites containing huntite‐hydromagnesite mineral

Abstract: Summary The effect of zinc borate (ZnB) was studied on the flame retardant and thermal properties of thermoplastic polyurethane containing huntite‐hydromagnesite. The flame retardant properties of thermoplastic polyurethane–based composites were investigated using limiting oxygen index, vertical burning test (UL 94), thermogravimetric analysis, and mass loss calorimeter. No remarkable effect of ZnB was observed on the flammability properties of composites. UL 94 rating did not change regardless of the added am… Show more

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Cited by 32 publications
(27 citation statements)
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“…For TPhP, it may be due to the fact that the thermal decomposition of TPhP produces phosphoric acid, leading to help the degradation of PU to form the compact char layer . The observed decrease of ZnB composites was due to the diluting effect of ZnB …”
Section: Resultsmentioning
confidence: 99%
“…For TPhP, it may be due to the fact that the thermal decomposition of TPhP produces phosphoric acid, leading to help the degradation of PU to form the compact char layer . The observed decrease of ZnB composites was due to the diluting effect of ZnB …”
Section: Resultsmentioning
confidence: 99%
“…It disrupted the crystallization of hard segment and restricted the inter-reaction of polyurethane chains. 17…”
Section: Characteristics Of Dopo-dammentioning
confidence: 99%
“…In recent years, halogen-free ame retardants containing phosphorus, nitrogen, silicon, boron and other ame-retarded elements have been widely developed and applied in polyurethane fabrication. [11][12][13][14][15][16][17] Among them, phosphorus-containing ame retardants, especially 9,10-dihydro-9-oxa-10phosphaphenanthrene-10-oxide (DOPO) and its derivatives, have attracted much attention. Compared with other linear lowmolecular-weight phosphonates, phosphorous compounds, DOPO and its derivatives display high thermal stability, excellent ame retardancy and low toxicity due to the presence of cyclic phosphate groups with a diphenyl structure.…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, Zinc borate (ZnB) that is an effective inorgan-Submission date: 11-01-2020 | Review date: 02-04-2020 ic flame retardant additive is widely used both solely and in combination with other materials. Its influence as corrosion inhibitor, smoke suppressant, afterglow suppresant, synergistic agent improves elongation properties of polyoefins reported and emphasized by many authors [18][19][20].…”
Section: Introductionmentioning
confidence: 89%