Thermal and Flexural Properties and Water Absorption of Caulis Spatholobi Residue Fiber Reinforced Biodegradable Poly(propylene carbonate) Composites

2015 ◽  
Vol 30 (3) ◽  
pp. 350-358 ◽  
Author(s):  
W. Li ◽  
F.-Q. Chen ◽  
X.-C. Yin ◽  
J.-P. Qu ◽  
M. Yan
Keyword(s):  
Water Absorption ◽  
Propylene Carbonate ◽  
Flexural Properties ◽  
Fiber Reinforced ◽  
Biodegradable Poly ◽  
Poly Propylene

Biodegradable poly(propylene) carbonate using in-situ generated CuNPs coated Tamarindus indica filler for biomedical applications

2019 ◽  
Vol 19 ◽  
pp. 106-113 ◽  
Author(s):  
M.P. Indira Devi ◽  
N. Nallamuthu ◽  
N. Rajini ◽  
T. Senthil Muthu Kumar ◽  
Suchart Siengchin ◽  
...  
Keyword(s):  
Propylene Carbonate ◽  
Biomedical Applications ◽  
Tamarindus Indica ◽  
Biodegradable Poly ◽  
Poly Propylene

scholarly journals Enhanced Poly(propylene carbonate) with Thermoplastic Networks: A Cross-Linking Role of Maleic Anhydride Oligomer in CO2/PO Copolymerization

Polymers ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 1467 ◽  
Author(s):  
Lijun Gao ◽  
Meiying Huang ◽  
Qifeng Wu ◽  
Xiaodan Wan ◽  
Xiaodi Chen ◽  
...  
Keyword(s):  
Weight Loss ◽  
Maleic Anhydride ◽  
Propylene Carbonate ◽  
Permanent Deformation ◽  
Cross Linking ◽  
Biodegradable Poly ◽  
One Step ◽  
Ft Ir ◽  
Poly Propylene

Cross-linking is an effective way to enhance biodegradable poly(propylene carbonate) (PPC) from CO2 and propylene oxide (PO). Cross-linked PPC can be prepared by one-step terpolymerization of multifunctional third monomers with CO2 and PO. However, few such third monomers are available. Each molecule of maleic anhydride oligomer (MAO) contains more than two cyclic anhydride groups. Here, we use it to synthesize PPC with cross-linked networks by adding a small quantity of MAO (0.625–5 wt% of PO) in CO2/PO copolymerization that was catalyzed by zinc glutarate. The formation of networks in the prepared copolymers was confirmed by the presence of gel in copolymers combined Fourier transform infrared spectroscopy (FT-IR), 1H NMR, and the improved mechanical properties. The 5% weight-loss degradation temperatures and maximum weight-loss degradation temperatures greatly increase up to 289.8 °C and 308.8 °C, respectively, which are remarkably high when compared to those of PPC. The minimum permanent deformation of the copolymers closes to 0, while that of PPC is 173%. The maximum tensile strength of the copolymers is 25.5 MPa higher than that of PPC, reaching 38.4 MPa, and it still has some toughness with the elongation at break of 25%. The above phenomena indicate that MAO that was inserted in PPC chains play a cross-linking role, which results in enhanced thermal stability, dimensional stability, and mechanical strength, comprehensively.

Foaming and chain extension of completely biodegradable poly(propylene carbonate) using DPT as blowing agent

2007 ◽  
Vol 14 (3) ◽  
pp. 245-251 ◽  
Author(s):  
L. T. Guan ◽  
F. G. Du ◽  
G. Z. Wang ◽  
Y. K. Chen ◽  
M. Xiao ◽  
...  
Keyword(s):  
Propylene Carbonate ◽  
Chain Extension ◽  
Blowing Agent ◽  
Biodegradable Poly ◽  
Poly Propylene

scholarly journals Thermal, mechanical and rheological properties of biodegradable poly(propylene carbonate) and poly(butylene carbonate) blends

2015 ◽  
Vol 33 (3) ◽  
pp. 444-455 ◽  
Author(s):  
Dan-dan Wu ◽  
Wu Li ◽  
Yan Zhao ◽  
Yun-jiao Deng ◽  
Hui-liang Zhang ◽  
...  
Keyword(s):  
Rheological Properties ◽  
Propylene Carbonate ◽  
Biodegradable Poly ◽  
Poly Propylene

Preparation and properties of biodegradable poly(propylene carbonate)/thermoplastic dried starch composites

2008 ◽  
Vol 71 (2) ◽  
pp. 229-234 ◽  
Author(s):  
Xiaofei Ma ◽  
Peter R. Chang ◽  
Jiugao Yu ◽  
Ning Wang
Keyword(s):  
Propylene Carbonate ◽  
Biodegradable Poly ◽  
Poly Propylene
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