Synthesis of organo cobalt-aluminum layered double hydroxide via a novel single-step self-assembling method and its use as flame retardant nanofiller in PP

Synthesis of polypropylene/organo-layered double hydroxide (PP/OLDH) has been carried out based on self-assembled organocobalt-aluminum LDH (O-CoAl-LDH). The novel method of synthesizing self-assembled CoAl-LDH and its characterization have also been reported in details. This method is proven to be...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 17 vom: 07. Sept., Seite 14162-9
1. Verfasser: Wang, De-Yi (VerfasserIn)
Weitere Verfasser: Das, Amit, Costa, Francis Reny, Leuteritz, Andreas, Wang, Yu-Zhong, Wagenknecht, Udo, Heinrich, Gert
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Hydroxides Organometallic Compounds Polypropylenes Cobalt 3G0H8C9362 hydroxide ion 9159UV381P Aluminum CPD4NFA903
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245 1 0 |a Synthesis of organo cobalt-aluminum layered double hydroxide via a novel single-step self-assembling method and its use as flame retardant nanofiller in PP 
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520 |a Synthesis of polypropylene/organo-layered double hydroxide (PP/OLDH) has been carried out based on self-assembled organocobalt-aluminum LDH (O-CoAl-LDH). The novel method of synthesizing self-assembled CoAl-LDH and its characterization have also been reported in details. This method is proven to be very efficient way of producing OLDH in a single step with homogeneous composition and structure. As flame-retardant nanofiller, O-CoAl-LDH shows significant decrease in heat release rate (HRR), the total heat release (THR) and the heat release capacity (HRC) of the PP composites, though the thermal stability of the compounds decreases slightly compared to the base polymer. Morphological analyses show that the LDH particles are dispersed in PP matrix in a partially exfoliated form. The activation energy calculation based on the Kissinger method reveals that O-CoAl-LDH has a positive effect on the activation energy of thermal decomposition of PP. However, in the presence of this filler, decomposition of the composites starts at an earlier stage than that of pure PP 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Hydroxides  |2 NLM 
650 7 |a Organometallic Compounds  |2 NLM 
650 7 |a Polypropylenes  |2 NLM 
650 7 |a Cobalt  |2 NLM 
650 7 |a 3G0H8C9362  |2 NLM 
650 7 |a hydroxide ion  |2 NLM 
650 7 |a 9159UV381P  |2 NLM 
650 7 |a Aluminum  |2 NLM 
650 7 |a CPD4NFA903  |2 NLM 
700 1 |a Das, Amit  |e verfasserin  |4 aut 
700 1 |a Costa, Francis Reny  |e verfasserin  |4 aut 
700 1 |a Leuteritz, Andreas  |e verfasserin  |4 aut 
700 1 |a Wang, Yu-Zhong  |e verfasserin  |4 aut 
700 1 |a Wagenknecht, Udo  |e verfasserin  |4 aut 
700 1 |a Heinrich, Gert  |e verfasserin  |4 aut 
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