An effective flame retardant containing hypophosphorous acid for poly (lactic acid): Fire performance, thermal stability and mechanical properties

2019 ◽  
Vol 78 ◽  
pp. 105940 ◽  
Author(s):  
Xingguo Wang ◽  
Jun Sun ◽  
Xiaodong Liu ◽  
Shengling Jiang ◽  
Julin Wang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Thermal Stability ◽  
Lactic Acid ◽  
Flame Retardant ◽  
Poly Lactic Acid ◽  
Fire Performance ◽  
Hypophosphorous Acid

scholarly journals Renewable vanillin based flame retardant for poly(lactic acid): a way to enhance flame retardancy and toughness simultaneously

RSC Advances ◽  
2018 ◽  
Vol 8 (73) ◽  
pp. 42189-42199 ◽  
Author(s):  
Pengcheng Zhao ◽  
Zhiqi Liu ◽  
Xueyi Wang ◽  
Ye-Tang Pan ◽  
Ines Kuehnert ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Flame Retardant ◽  
Flame Retardancy ◽  
Poly Lactic Acid ◽  
Fire Performance

A bio-based PLA composite with excellent fire performance, improved toughness and good processability.

Effect of a phosphorus-containing oligomer on flame-retardant, rheological and mechanical properties of poly (lactic acid)

2013 ◽  
Vol 98 (7) ◽  
pp. 1389-1396 ◽  
Author(s):  
Hai-Juan Lin ◽  
San-Rong Liu ◽  
Li-Jing Han ◽  
Xue-Mei Wang ◽  
Yi-Jie Bian ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Lactic Acid ◽  
Flame Retardant ◽  
Poly Lactic Acid ◽  
Phosphorus Containing

Preparation of lignin–silica hybrids and its application in intumescent flame-retardant poly(lactic acid) system

2012 ◽  
Vol 24 (8) ◽  
pp. 738-746 ◽  
Author(s):  
Rui Zhang ◽  
Xifu Xiao ◽  
Qilong Tai ◽  
Hua Huang ◽  
Jian Yang ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Lactic Acid ◽  
Flame Retardant ◽  
Flame Retardancy ◽  
Photoelectron Spectroscopy ◽  
Intumescent Flame Retardant ◽  
Poly Lactic Acid ◽  
Limiting Oxygen Index ◽  
Silica Hybrids ◽  
Thermal Stability Of

Lignin–silica hybrids (LSHs) were prepared by sol–gel method and characterized by Fourier transform infrared (FT-IR) spectra, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). LSH and ammonium polyphosphate (APP) were added into poly(lactic acid) (PLA) as a novel intumescent flame-retardant (IFR) system to improve the flame retardancy of PLA. The flame-retardant effect of APP and LSH in PLA was studied using limiting oxygen index (LOI), vertical burning (UL-94) tests and cone calorimeter. The thermal stability of PLA/APP/LSH composites was evaluated by thermogravimetric analysis (TGA). Additionally, the morphology and components of char residues of the IFR-PLA composites were investigated by SEM and XPS. With the addition of APP/LSH to PLA system, the morphology of the char residue has obviously changed. Compared with PLA/APP and PLA/APP/lignin, a continuous and dense intumescent charring layer with more phosphor in PLA composites is formed, which exhibits better flame retardancy. All the results show that the combination of APP and LSH can improve the flame-retardant property and increase the thermal stability of PLA composites greatly.

scholarly journals Effect of a Novel Flame Retardant on the Mechanical, Thermal and Combustion Properties of Poly(Lactic Acid)

Polymers ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 2407
Author(s):  
Mingjun Niu ◽  
Zhongzhou Zhang ◽  
Zizhen Wei ◽  
Wanjie Wang
Keyword(s):  
Mechanical Properties ◽  
Lactic Acid ◽  
Flame Retardant ◽  
Testing Machine ◽  
Poly Lactic Acid ◽  
Limiting Oxygen Index ◽  
Biobased Materials ◽  
Cone Calorimeter Test ◽  
Combustion Properties ◽  
Ul 94

Poly(lactic) acid (PLA) is one of the most promising biobased materials, but its inherent flammability limits its applications. A novel flame retardant hexa-(DOPO-hydroxymethylphenoxy-dihydroxybiphenyl)-cyclotriphosphazene (HABP-DOPO) for PLA was prepared by bonding 9,10-dihydro-9-oxy-10-phosphaphenanthrene-10-oxide (DOPO) to cyclotriphosphazene. The morphologies, mechanical properties, thermal stability and burning behaviors of PLA/HABP-DOPO blends were investigated using a scanning electron microscope (SEM), a universal mechanical testing machine, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), limiting oxygen index (LOI), vertical burning (UL-94) and a cone calorimeter test (CCT). The LOI value reached 28.5% and UL-94 could pass V-0 for the PLA blend containing 25 wt% HABP-DOPO. A significant improvement in fire retardant performance was observed for PLA/HABP-DOPO blends. PLA/HABP-DOPO blends exhibited balanced mechanical properties. The flame retardant mechanism of PLA/HABP-DOPO blends was evaluated.

Elaboration of poly(lactic acid)/halloysite nanocomposites by means of water assisted extrusion: structure, mechanical properties and fire performance

RSC Advances ◽  
2014 ◽  
Vol 4 (101) ◽  
pp. 57553-57563 ◽  
Author(s):  
G. Stoclet ◽  
M. Sclavons ◽  
B. Lecouvet ◽  
J. Devaux ◽  
P. Van Velthem ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Lactic Acid ◽  
Poly Lactic Acid ◽  
Fire Performance ◽  
Fire Properties

This study shows the interest of elaborating polylactide/halloysite nanocomposites by means of water assisted extrusion (WAE). Besides, WAE gives access to materials with improved fire properties and prevents molecular degradation.

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