Phosphorus Polyester - an Alternative to Low-Molecular-Weight Flame Retardants in Poly(Butylene Terephthalate)?

被引：40

作者：

Brehme, Sven ^{[1
]}

Koeppl, Thomas ^{[2
]}

Schartel, Bernhard ^{[1
]}

Fischer, Oliver ^{[3
]}

Altstaedt, Volker ^{[2
]}

Pospiech, Doris ^{[3
]}

Doering, Manfred ^{[4
]}

机构：

[1] BAM Fed Inst Mat Res & Testing, D-12205 Berlin, Germany

[2] Univ Bayreuth, Dept Polymer Engn, D-95447 Bayreuth, Germany

[3] Leibniz Inst Polymerforsch Dresden eV, D-01069 Dresden, Germany

[4] Karlsruhe Inst Technol, D-76344 Eggenstein Leopoldshafen, Germany

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2012年 / 213卷 / 22期

关键词：

aluminium phosphinate; blends; 9; 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide; flame retardance; polyesters; THERMAL-DECOMPOSITION; EPOXY-RESINS; MELAMINE CYANURATE; FIRE BEHAVIOR; PYROLYSIS; NANOCOMPOSITES; COMBINATION; 9,10-DIHYDRO-9-OXA-10-PHOSPHAPHENANTHRENE-10-OXIDE; COMPOSITES; COMBUSTION;

D O I：

10.1002/macp.201200072

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Pyrolysis, fire behaviour and mechanical properties of a blend of poly(butylene terephthalate) (PBT) with a phosphorus polyester (PET-P-DOPO) are investigated and compared with PBT/aluminium diethylphosphinate (AlPi-Et) composites. The PBT/PET-P-DOPO is immiscible and exhibits gas-phase and condensed-phase activity, whereas AlPi-Et in PBT results mainly in flame inhibition. Only higher loadings of AlPi-Et yield significant condensed-phase activity. Using the same phosphorus content, PBT/PET-P-DOPO and PBT/AlPi-Et exhibit similar reductions in fire load (22%) and flame spread (17% assessed by fire growth rate, FIGRA), compared with PBT. In contrast to AlPi-Et, the addition of PET-P-DOPO does not decrease the tensile strength of PBT. Thus, PET-P-DOPO is an interesting alternative to low-molecular-weight flame retardants.

引用

页码：2386 / 2397

页数：12

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