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Dive into the research topics where Kadri Siimer is active.

Publication


Featured researches published by Kadri Siimer.


Journal of Thermal Analysis and Calorimetry | 2003

Thermal behaviour of urea-formaldehyde resins during curing

Kadri Siimer; Tiit Kaljuvee; Peep Christjanson

Urea-formaldehyde (UF) resins are the most widely used polycondensation resins today in manufacturing particleboards. The performance of UF resins in their processing is greatly influenced by curing characteristics. The cure process has been monitored by TG-DTA technique on a Setaram labsysTM instrument in dynamic heating conditions at different heating rates. Commercial UF resins from different suppliers used in Estonian particleboard factories were selected for TG-DTA measurements. Experiments were carried out without and with catalysts. Ammonium chloride and ammonium sulphate were used. Curing characteristics were evaluated both for fresh and aged resins.


Journal of Thermal Analysis and Calorimetry | 2008

TG-DTA study of melamine-urea-formaldehyde resins

Kadri Siimer; Peep Christjanson; Tiit Kaljuvee; Tõnis Pehk; I. Lasn; I. Saks


Journal of Thermal Analysis and Calorimetry | 2010

Thermal behaviour of melamine-modified urea-formaldehyde resins

Kadri Siimer; Tiit Kaljuvee; Tõnis Pehk; Ilmar Lasn


Journal of Thermal Analysis and Calorimetry | 2005

Changes in curing behaviour of aminoresins during storage

Kadri Siimer; Tiit Kaljuvee; Peep Christjanson; Tõnis Pehk


Journal of Applied Polymer Science | 2006

Hydroxymethylation and polycondensation reactions in urea–formaldehyde resin synthesis

Peep Christjanson; Tõnis Pehk; Kadri Siimer


Macromolecular Symposia | 1999

Study of the structural changes in urea-formaldehyde condensates during synthesis

Kadri Siimer; Tõnis Pehk; Peep Christjanson


Journal of Thermal Analysis and Calorimetry | 2008

Effect of alkylresorcinols on curing behaviour of phenol-formaldehyde resol resin

Kadri Siimer; Tiit Kaljuvee; Peep Christjanson; Tõnis Pehk; I. Saks


Archive | 2006

Structure formation in urea-formaldehyde resin synthesis

Peep Christjanson; Tõnis Pehk; Kadri Siimer


Journal of Applied Polymer Science | 2008

Structure of polycondensates from hydroxymethylphenols

Peep Christjanson; Tõnis Pehk; Kadri Siimer; Jane Paju


Journal of Thermal Analysis and Calorimetry | 2009

Thermal behaviour of hydroxymethyl compounds as models for adhesive resins

Kadri Siimer; Peep Christjanson; Tiit Kaljuvee; Tõnis Pehk; I. Saks

Collaboration


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Peep Christjanson

Tallinn University of Technology

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Tõnis Pehk

National Institute of Chemical Physics and Biophysics

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Tiit Kaljuvee

Tallinn University of Technology

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Aime Suurpere

Tallinn University of Technology

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Jane Paju

Tallinn University of Technology

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