Low toxicity binder systems for tape cast Ce0.9Gd0.1O1.95 laminates

Klemensø, Trine; Menon, Mohan; Ramousse, Séverine

doi:10.1016/j.ceramint.2009.10.019

Cited by 13 publications

(5 citation statements)

References 23 publications

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“…Recent investigations have shown viable alternatives to orthophthalates such as a modified castor oil [15] and triethylene glycol di-2-ethylhexanoate (S-2075) [16]. The present work aims at identifying additional plasticizers which are compatible with a PVB based binder system with ethanol as the sole solvent.…”

Section: Introductionmentioning

confidence: 98%

Novel ceramic processing method for substitution of toxic plasticizers

Foghmoes

Teocoli

Brodersen

et al. 2016

Journal of the European Ceramic Society

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a b s t r a c tA systematic screening of plasticisers for a polyvinyl butyral based binder system revealed that dibutyl maleate, dibutyl adipate and Pycal 94 are promising and less toxic alternatives to the very harmful but frequently used dibutyl phthalate. Pycal 94 seems especially promising as it unlike the two other candidates did not require a co-plasticiser, such as a polyethylene glycol, thus simplifying the system and reducing the risk of unwanted cross-interactions.An effective and systematic procedure for substitution of the plasticiser, while maintaining chemical compatibility and mechanical properties, was also demonstrated. Incompatible systems were discarded in an initial broad screening while primary systems were further evaluated based on debinding properties, mechanical properties, flow behavior as well as sintering properties of ceramic tapes. The thermomechanical characterization performed on dried drops of binder and their corresponding tapes show strong similarities in the strain/stress profiles, validating the qualitative method used.

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Section: Introductionmentioning

confidence: 98%

Novel ceramic processing method for substitution of toxic plasticizers

Foghmoes

Teocoli

Brodersen

et al. 2016

Journal of the European Ceramic Society

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“…Besides organic-based tape casting of commercially produced Ce 0.1 Gd 0.9 O 1.95 powder [21,22], aqueous-based tape casting of Ce 0.8 Gd 0.2 O 1.9 synthesized by a co-precipitation method [23] and commercially produced Ce 0.1 Gd 0.9 O 1.95 powder [5] have been reported.…”

Section: Introductionmentioning

confidence: 99%

Nanostructured Gd–CeO2 electrolyte for solid oxide fuel cell by aqueous tape casting

Akbari‐Fakhrabadi

Mangalaraja

Sanhueza

et al. 2012

Journal of Power Sources

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“…A suitable alternative to the typical azeotropic mixtures of MEKEt (methyl ethyl ketone/ethanol) and toluene/ethanol could be ethanol. Even though pure ethanol is flammable and requires ATEX protection, the toxicity of the dispersing medium is reduced compared to the above mentioned azeotropic mixtures and the drying duration for the green body is still short and suitable for production lines [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Complementary analysis techniques applied on optimizing suspensions of yttria stabilized zirconia

Negra

Foghmoes

Klemensø

2016

Ceramics International

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Three different polymers with different functional groups and similar molecular weight were tested as dispersing agents for suspensions of yttria stabilized zirconia in ethanol: polyvinyl pyrrolidone, polyethylene imine, polyvinyl butyral/acetale. The stability of the system was assessed considering, in details, all the processing steps, including suspension de-agglomeration, slurry manipulation, quality of sintered tapes microstructure, and final layer leak tightness. Different analytical techniques were used to monitor ceramic deagglomeration and stability as a function of time, for different types of dispersing agent and to optimize the dispersants concentration: Electrokinetic Sonic Amplitude was used to obtain zeta potential, Multiple Light Scattering for evaluating sedimentation rate, and multi-wavelength laser light scattering for measuring particle size distribution. All the

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Low toxicity binder systems for tape cast Ce0.9Gd0.1O1.95 laminates

Cited by 13 publications

References 23 publications

Novel ceramic processing method for substitution of toxic plasticizers

Novel ceramic processing method for substitution of toxic plasticizers

Nanostructured Gd–CeO2 electrolyte for solid oxide fuel cell by aqueous tape casting

Complementary analysis techniques applied on optimizing suspensions of yttria stabilized zirconia

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