Technology of Fluoropolymers

Drobny, Jiri George

doi:10.1201/9781420063189

Cited by 88 publications

(57 citation statements)

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“…It is known that, for polyethylene and poly(ethylene-co-1-octene), the increase in storage modulus during dynamic thermal shear can be attributed to crosslinking [33][34][35]. However, in our study, since ETFE is barely crosslinked due to stress chemistry [2,48,49], the increase in storage modulus can be ascribed to the presence of volatiles. It also can be seen that the thermal degradation of pure ETFE began quite early (within 2 min) and accelerated sharply over time.…”

Section: Resultscontrasting

confidence: 78%

“…with the outstanding processability of common polymers. ETFEs are extensively applied in a wide range of areas, especially those relating to harsh conditions, including high temperature resistance and advanced flame-retardant cables (and wires) used in aerospace and aeronautics (e.g., shuttles), pipes and tubes applied in caustic and strong acid transportation, and membranes used in modern architecture [1,2]. Because of their prominent properties for diverse applications, ETFEs have attracted considerable attention from researchers, who have studied their molecular parameters and microstructures [3][4][5][6][7][8][9][10][11], thermal and crystallization behavior [12][13][14][15][16][17][18][19], steady-state rheological properties [20][21][22], and so on [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

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Thermal-mechanical stability of ethylene tetrafluoroethylene alternating copolymer, and modification thereof

et al. 2012

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It is generally accepted that ethylene tetrafluoroethylene alternating copolymers (ETFEs) are exceptionally thermal stable materials. However, we found that ETFEs will decompose to some extent when exposed to heat, especially above 300°C and during a dynamic shear process (thermal mechanical degradation, thermalstress-oxidation synergistic destruction). In this article, the dynamic mechanical degradation of ETFE was first verified by dynamic rheometry with the aid of IR analysis, then a facile, environmental friendly solutionnamely the addition of the antiaging agent N,N′-di-2-naphthyl-p-phenylenediamine (DNP)-was adopted to prevent the degradation. Rotational rheometry and thermogravimetry analysis results proved that this is an applicable strategy. The addition of DNP led to remarkable increases in the initial thermal decomposition temperature, dynamic shear stable duration time, and thermal decomposition activation energy of ETFE without sacrificing its mechanical properties.

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Section: Resultscontrasting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Thermal-mechanical stability of ethylene tetrafluoroethylene alternating copolymer, and modification thereof

et al. 2012

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“…Fluoropolymers exhibit excellent toughness and corrosion resistance to severe environmental stresses [4,5]. They offer great potential as a matrix for fibre reinforced composites for applications in harsh environments such as those encountered in the oil, gas and chemical industries [6,7].…”

Section: Introductionmentioning

confidence: 99%