Enhancement of solid-state polymerization with microwave energy

Mallon, Frederick K.; Ray, W. Harmon

doi:10.1002/(sici)1097-4628(19980808)69:6<1203::aid-app17>3.0.co;2-t

Cited by 43 publications

(26 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Section 2.2). [24] The high-pressure synthesis of polyamides was investigated by Pourjavadi et al for the Yamazaki phosphorylation reaction of aliphatic dicarboxylic acids (x ¼ 2, 4, 6, 8) and aromatic diamines (like 1,4-phenylendiamine and 2,5-bis-(4-aminophenyl)-3,4-diphenylthiophene). [25] The educts were dissolved in N-methylpyrrolidone (NMP) and transferred to the (domestic) microwave oven in a polyethylene screw-capped cylinder.…”

Section: Polyamidesmentioning

confidence: 99%

Microwave‐Assisted Polymer Synthesis: State‐of‐the‐Art and Future Perspectives

Wiesbrock

Hoogenboom

Schubert

2004

Macromol. Rapid Commun.

470

256

View full text Add to dashboard Cite

Summary: Monomodal microwaves have overcome the safety uncertainties associated with the precedent domestic microwave ovens. After fast acceptance in inorganic and organic syntheses, polymer chemists have also recently discovered this new kind of microwave reactor. An almost exponential increase of the number of publications in this field reflects the steadily growing interest in the use of microwave irradiation for polymerizations. This review introduces the microwave systems and their applications in polymer syntheses, covering step‐growth and ring‐opening, as well as radical polymerization processes, in order to summarize the hitherto realized polymerizations. Special attention is paid to the differences between microwave‐assisted and conventional heating as well as the “microwave effects”.Results of search on number of publications on microwave‐assisted polymerizations, sorted by year.imageResults of search on number of publications on microwave‐assisted polymerizations, sorted by year.

show abstract

Section: Polyamidesmentioning

confidence: 99%

Microwave‐Assisted Polymer Synthesis: State‐of‐the‐Art and Future Perspectives

Wiesbrock

Hoogenboom

Schubert

2004

Macromol. Rapid Commun.

470

256

View full text Add to dashboard Cite

show abstract

“…(vii) Yields were almost quantitative for the runs performed according to synthesis mode (1) and about 80% in the case of synthesis mode (2), probably due to a loss of monomer by evaporation. …”

Section: Microwave Polymerisationmentioning

confidence: 96%

An Easy Way Towardɛ-Caprolactone Macromonomers by Microwave Irradiation Using Early Lanthanide Halides as Catalysts

Barbier‐Baudry¹,

Brachais

Cretu

et al. 2002

Macromol. Rapid Commun.

View full text Add to dashboard Cite

“…Diffusion limited polymerizations of polyethylene terephthalate (PET) and nylon-6,6 were studied by Mallon et al [39]. It was concluded that microwaves could selectively excite the condensate in the polymer to cause higher diffusion rates and subsequently promote fusion of the end groups in solid-state polymerization (SSP) of PET and nylon-6,6.…”

Section: The Role Of Polar Molecules High Boiling Solvents and Hetermentioning

confidence: 99%

A concise review on microwave-assisted polycondensation reactions and curing of polycondensation polymers with focus on the effect of process conditions

Komorowska-Durka

Dimitrakis

Bogdał

et al. 2015

Chemical Engineering Journal

View full text Add to dashboard Cite

The version presented here may differ from the published version or from the version of record. If you wish to cite this item you are advised to consult the publisher's version. Please see the repository url above for details on accessing the published version and note that access may require a subscription. AbstractDuring the past 15 years, increasing application of microwave heating to polycondensation reactions has been witnessed. Experiments have been carried out at laboratory scale using widely different experimental procedures. The use of microwaves has often led to significant benefits compared to conventional heating experiments in terms of multi-fold decrease in reaction times and energy consumption and production of polymers with increased molecular weight and improved mechanical properties. In other cases, microwaves do not appear to 2 produce any significant benefits compared to conventional heating. At present, guidelines to experimentalist as to the process conditions and experimental design that should be applied are missing and experimentation seems to be based on an empirical trial-and-error approach.In view of the very different experimental protocols that have been applied and the contradictory trends that are frequently reported, we aim in this review to shed light on the role of important process parameters, such as the presence and type of solvent, the dielectric properties of the mixture and the individual phases, the use of heterogeneous catalysts, pressure, stirring, reflux conditions, temperature measurement method and microwave absorbing fillers, which all seem to determine the occurrence and magnitude of the benefits enabled by microwaves during polycondensation reactions.

show abstract

Enhancement of solid-state polymerization with microwave energy

Cited by 43 publications

References 5 publications

Microwave‐Assisted Polymer Synthesis: State‐of‐the‐Art and Future Perspectives

Microwave‐Assisted Polymer Synthesis: State‐of‐the‐Art and Future Perspectives

An Easy Way Towardɛ-Caprolactone Macromonomers by Microwave Irradiation Using Early Lanthanide Halides as Catalysts

A concise review on microwave-assisted polycondensation reactions and curing of polycondensation polymers with focus on the effect of process conditions

Contact Info

Product

Resources

About