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Polymer Science, Series D
Published in: Polymer Science, Series D 3/2023

01-09-2023

Synthesis of a Polyurethane Hot-Melt Adhesive Based on Hydroxypropylated Diphenylolpropane and Properties of Adhesive Joints Based on It

Authors: I. N. Bakirova, V. A. Burylina

Published in: Polymer Science, Series D | Issue 3/2023

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Abstract

A polyurethane hot-melt adhesive has been developed that involves the use of hydroxypropylated diphenylolpropane with a molecular weight of 1000 as an oligoetherdiol. The kinetic regularities of the reaction of hydroxypropylated diphenylolpropane with 2,4-toluene diisocyanate at [NCO] : [OH] = 2 have been studied, showing that the resulting prepolymer is stable over time at a temperature of 50°C. The influence of prescription parameters of the adhesive on the properties of adhesive joints has been studied. It is shown that the composition in which an excess of isocyanate is provided surpasses the analog with an equimolar ratio in terms of bonding strength. The resulting adhesive composition has a high adhesive capacity and can be suggested as a household adhesive.
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Literature
1.
D. A. Kardashov and A. P. Petrova, Polymer Adhesives. Creation and Application (Khimiya, Moscow, 1983) [in Russian].
2.
A. P. Petrova, Adhesive Materials (Red. Zh. “Kauchuk i Rezina”, 2002) [in Russian].
3.
J. Shields, Adhesives Handbook (Butterworth-Heinemann, 1984; Mashinostroenie, Moscow, 1980).
4.
J. H. Saunders and K. C. Frisch, Polyurethanes Chemistry and Technology (Interscience Publishers, 1964; Khimiya, Moscow, 1968).
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V. G. Mikul’skii, G. I. Gorchakov, and V. V. Kozlov, Building Materials: Study Guide (Izd. “Assotsiatsiya Stroitel’nykh Vuzov”, 2004) [in Russian].
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L. A. Anikhovskaya, A. P. Petrova, and N. F. Lukina, “Development of adhesives and bonding technology in the aircraft industry,” Klei. Germetiki. Tekhnol., No. 1, 7—12 (2004).
7.
I. P. Antonova and I. A. Il’ina, Chemistry and Physics of Macromolecular Compounds (Mosk. Gos. Obl. Univ., Moscow, 2008) [in Russian].
8.
G. V. Komarov, “Hot melt adhesives,” Polim. Mater., No. 6 (2012).
9.
“Thirteenth International Conference ‘Polyurethanes 2020’,” Polim. Mater. No. 4, 34—38 (2020).
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Yu. I. Fadina, “Analysis of the Russian hot melt adhesive market,” Biznes-Obrazov. Ekonom. Znanii, No. 3, 67—69 (2016).
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S. K. Vineeth and R. V. Gadhave, “Sustainable raw materials in hot melt adhesives: A review,” Open J. Polym. Chem., No. 10, 49–65 (2020).
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Metadata
Title
Synthesis of a Polyurethane Hot-Melt Adhesive Based on Hydroxypropylated Diphenylolpropane and Properties of Adhesive Joints Based on It
Authors
I. N. Bakirova
V. A. Burylina
Publication date
01-09-2023
Publisher
Pleiades Publishing
Published in
Polymer Science, Series D / Issue 3/2023
Print ISSN: 1995-4212
Electronic ISSN: 1995-4220
DOI
https://doi.org/10.1134/S1995421223030048

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