A New Halogen-Free Flame Retardant Based on 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide for Epoxy Resins and their Carbon Fiber Composites for the Automotive and Aviation Industries

被引：156

作者：

Perret, Birgit ^{[1
]}

Schartel, Bernhard ^{[1
]}

Stoess, Kai ^{[2
]}

Ciesielski, Michael ^{[2
]}

Diederichs, Jan ^{[2
]}

Doering, Manfred ^{[2
]}

Kraemer, Johannes ^{[3
]}

Altstaedt, Volker ^{[3
]}

机构：

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

[2] KIT Karlsruhe Inst Technol, Inst Tech Chem, D-76344 Eggenstein Leopoldshafen, Germany

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

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2011年 / 296卷 / 01期

关键词：

composites; flame retardancy; glass transition; pyrolysis; thermosets; PHENOLIC CONDENSATION POLYMERS; THERMAL-DEGRADATION; CONE CALORIMETER; FIRE BEHAVIOR; COMBUSTION PERFORMANCE; MECHANICAL-PROPERTIES; PHOSPHORUS; DECOMPOSITION; PYROLYSIS; SYSTEMS;

D O I：

10.1002/mame.201000242

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The pyrolysis and fire behavior of halogen-free flame-retarded DGEBA/DMC, RTM6 and their corresponding 60 vol.-% carbon fibers (CF) composites were investigated. A novel phosphorous compound (DOPI) was used. Its action is dependent on the epoxy matrix. DGEBA/DMC and DOPI decompose independently of each other. Only flame inhibition occurs in the gas phase. RTM6 shows flame inhibition and a condensed phase interaction increasing charring. Both mechanisms decrease with increasing irradiance, whereas in RTM6-CF charring is suppressed at low ones. RTM6+DOPI shows a higher LOI (34.2%) than DGEBA/DMC+DOPI and a V-0 classification in UL 94. Adding CF only enhances the LOI, DOPI+CF leads to a superposition in LOI for DGEBA/DMC-CF+DOPI (31.8%, V-0) and a synergism for RTM6-CF+DOPI (47.7%, V-0).

引用

页码：14 / 30

页数：17

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