Preparation and Characterization of Composites Based on Poly (Butylene Succinate) and Poly (Lactic Acid) Grafted Tetracalcium Phosphate

Abstract

Tetracalcium phosphate (TTCP, Ca 4 (PO 4 ) 2 O) was functionalized by poly (l-lactic acid) (PLLA) in order to improve the dispersion of TTCP particles in poly (butylene succinate) (PBS) matrices, and then a series of the PLLA grafted TTCP/PBS (g-TTCP/PBS) composites were prepared via melt processing. Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), tensile analysis, differential scanning calorimetry (DSC), thermogravimetric analysis (DTG/TGA) and melt rheological analysis were used to investigate the structure and properties of the g-TTCP/PBS composites. The results revealed that l-lactide could be grafted onto the surface of TTCP, and the g-TTCP/PBS composites showed the best mechanical properties when the content of g-TTCP was 10 wt%. The crystallization temperature of g-TTCP/PBS composites tended to increase with the increase of g-TTCP contents. The functionalized particles played an important role in augmenting the thermal degradation rate and the complex viscosity of the composites due to their unique structure and the reasonable interfacial interaction between the particles and PBS matrix.

Novel poly(butylene succinate) nanocomposites containing strontium hydroxyapatite nanorods with enhanced osteoconductivity for tissue engineering applications

“…The crystalline structure of the nanocomposites was studied using XRD. The crystal unit cell of PBSu is monoclinic and diffraction peaks from [020] and [110] are observed at 2& 19.8 and 22.6° respectively [9,11,20]. Although SrHAp nanorods are crystalline materials none of their peaks can be recognized, even these with high intensity at 20.4, 26.6 and 31°, because they are overlapped by denser PBSu peaks ( Figure 5).…”

Review on PCL, PBS, and PCL/PBS blends containing carbon nanotubes

“…PCL was blended with various other biodegradable polymers in a number of studies [12][13][14][15][16][17][18][19][20][21][22]. Amongst various biodegradable polymers, PBS was the most interesting aliphatic polyester due to its relatively good melt processability, thermal and chemical resistance, biodegradability, and excellent mechanical properties, closely comparable to those of the widely-used polyethylene (PE) and polypropylene (PP) [4,5,[15][16][17][18][19][20][21][23][24][25][26][27][28][29][30][31][32][33][34][35][36]. Double crystalline PCL/PBS blends are particularly interesting because each component has an influence on the crystallization behaviour of the other component.…”

Effects of E44 and KH560 modifiers on properties of distillers grains poly(butylene succinate) composites

“…Despite all mentioned attractive features, PBS has not been extensively used due mainly to its high cost. Recent works focused on PBS reinforced with natural plant fibers , aiming to increase the performance of the biopolymer and reduce the weight and eventually the cost. Coupling agent KH560 has both hydroxyl groups can react with hydrogen bonding polar groups and non‐polar groups have good compatibility with polymers, which forms “bridge” in the fiber and plastic matrix and plays a connecting role.…”