A comparative study on thermal and catalytic degradation of polybutylene terephthalate

Chiu, Shwu‐Jer; Wu, Yi‐Shiuan

doi:10.1016/j.jaap.2009.03.003

Cited by 21 publications

(7 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The PBT degradation has been extensively studied for hydrolysis [30][31][32][33] , thermolysis and thermal oxidation [34][35][36][37][38] . According to these references, PBT may be subject to different degradation mechanisms leading to chains scission, as depicted in Fig.…”

Section: On the Nature Of Macromolecular Changesmentioning

confidence: 99%

PBT plasticity loss induced by oxidative and hydrolysis ageing

Loyer

Régnier

Duval³

et al. 2020

Polymer Degradation and Stability

View full text Add to dashboard Cite

This paper reports the study of embrittlement of PBT submitted either to thermal or hydrolytic ageing. All changes were followed up by tensile tests, rheometry in molten state and gel permeation chromatography for molar mass changes, SAXS and DSC experiments for crystallinity changes. Both kind of ageing were shown to induce predominant chain scissions with moderate crystallinity increase, in great part due to annealing. The combination of all results were used to establish a M w -χ c embrittlement window helping for a determination of an end of life criterion.

show abstract

Section: On the Nature Of Macromolecular Changesmentioning

confidence: 99%

PBT plasticity loss induced by oxidative and hydrolysis ageing

Loyer

Régnier

Duval³

et al. 2020

Polymer Degradation and Stability

View full text Add to dashboard Cite

show abstract

“…The study of degradation kinetics is important in understanding the mechanism of the degradation process. Both thermogravimetric analysis (TGA) and differential thermal analysis (DTA) have been applied to determine the degradation kinetics of neat polyesters and polycarbonate [24, 25]. Generally, TG is the preferred technique for such determinations, because the relevant mass changes are easier to measure than the associated heat effects [26].…”

Section: Introductionmentioning

confidence: 99%

Thermal decomposition kinetics of tricomponent polyester/polycarbonate systems

Al‐Mulla

Mathew

Al-Omairi

et al. 2011

Polymer Engineering & Sci

View full text Add to dashboard Cite

The current work seeks to develop a novel polymeric blend containing polycarbonate(PC)/poly(trimethylene‐terephthalate)(PTT)/poly(butylene‐terephthalate)(PBT), (50: 25:25, weight/weight percent). This has been prepared using a single screw extruder. The thermal degradation kinetics of the blend and neat polymers have been investigated by means of a Theromogravimetric analyzer (TGA) machine. Theromogravimetric analysis of the neat polymers and the blend was carried out at 5, 10, 15, and 20°C/min under Nitrogen and air atmosphere. Two analytical models, namely Kissinger and Ozawa were used to estimate the degradation kinetic parameters (Activation energy, E and pre‐exponential factor, A). The neat polymers were found to be more thermally stable under nitrogen than under air. The solid state decomposition was found to follow a phase boundary controlled mechanism. Possibility of transexchange reactions during melt blending was also analyzed using TGA studies. Residual char of blends of different compositions were also used as an indicator to determine possible exchange reactions. POLYM. ENG. SCI., 2011. © 2011 Society of Plastics Engineers.

show abstract

“…Polyester plastics such as poly(ethylene terephthalate) (PET) or poly(butylene terephthalate) (PBT) with properties like high strength, durability, and safety have been utilized commonly in our daily lives. 6,7 For example, PET could be applied in the fabrication of textile fibers or bottles, and PBT is used typically as electrical plastics. In 2017, the reported annual production of PET and PBT were ∼300 and 7.5 million tons worldwide, respectively; yet, only as low as ∼7% PET and 5% PBT were recycled, which calls for a high demand of recycling processes to support this global challenge.…”

Section: Introductionmentioning

confidence: 99%

Polyoxometalate-Induced Efficient Recycling of Waste Polyester Plastics into Metal–Organic Frameworks

et al. 2019

View full text Add to dashboard Cite

Polyester plastics such as poly(ethylene terephthalate) (PET) are utilized commonly in everyday life, yet only a small portion of these plastics are recycled, and typically, the recycling procedures face energy or pollution problems. Accordingly, methods that could convert waste polyester plastics into valueadded products like metal-organic frameworks (MOFs) are desirable. For the first time, we report a general and versatile polyoxometalate-based plastic hydrolysis protocol for one-pot syntheses of polyoxometalate-based metal-organic frameworks (POMOFs). We show that this protocol could be applied to diverse kinds of plastics [i.e., PET and poly(butylene terephthalate)] and various polyoxometalate systems (i.e., Ni 6 PW 9 , Zn 4 PMo 12 , and V 6 S) to generate POMOFs (i.e., Ni-POMOF, Z-POMOF, and VMOP-11) with ∼100% hydrolysis efficiency. Besides, this method could be easily scaled up, and the largescale POMOFs obtained could efficiently catalyze the syntheses of cyclic carbonates in simulated flue gas from a coal-fired power plant. Thus, our approach of polyester plastic hydrolysis into valuable, ecofriendly, and biodegradable POMOFs sheds light on the development of novel techniques in waste-plastic recycling.

show abstract

A comparative study on thermal and catalytic degradation of polybutylene terephthalate

Cited by 21 publications

References 14 publications

PBT plasticity loss induced by oxidative and hydrolysis ageing

PBT plasticity loss induced by oxidative and hydrolysis ageing

Thermal decomposition kinetics of tricomponent polyester/polycarbonate systems

Polyoxometalate-Induced Efficient Recycling of Waste Polyester Plastics into Metal–Organic Frameworks

Contact Info

Product

Resources

About