Wpływ hydroksyetylometylocelulozy (HEMC) na przebieg procesu krystalizacji gipsu

• Autorzy: Brych-Dobrowolska Małgorzata , Prałat Karol , Ciemnicka Justyna , Koper Artur

Identyfikatory

DOI

10.5604/01.3001.0053.8505

Warianty tytułu

EN

Influence of hydroxyethyl methyl cellulose (HEMC) on the gypsum crystallization process

• Języki publikacji: PL

Abstrakty

PL

Wykazano, iż dodatek polimeru wpływa na właściwości gipsu. Jego dodatek wydłuża proces krystalizacji. Na podstawie równania Avramiego zaobserwowano dwa obszary wczesnego i późnego stadium krystalizacji gipsu. Uzyskane różne wartości parametru kinetycznego n-tego równania, wskazują na różny mechanizm wzrostu kryształów. Wraz ze wzrostem zawartości polimeru zauważono obniżenie wartości parametru K, co potwierdza, że HEMC zaburza nukleację i krystalizację gipsu.

EN

It was shown that the addition of polymer affects the properties of gypsum. Its addition prolongs the crystallization process. Based on the Avrami equation, two areas of early and late gypsum crystallization were observed. The obtained different values of the kinetic parameter n of this equation indicate a different crystal growth mechanism. With the increase in the polymer content, a decrease in the value of the K parameter was observed, which confirms that HEMC interferes with the nucleation and crystallization of gypsum.

Słowa kluczowe

PL

modyfikacja gipsu; hydratacja; równanie Avramiego; krystalizacja gipsu; HEMC; hydroksyetylometyloceluloza

EN

gypsum modification; hydration; Avrami equation; gypsum crystallization; HEMC; hydroxyethyl methyl cellulose

• Wydawca: Fundacja Polskiego Związku Inżynierów i Techników Budownictwa
• Czasopismo: Przegląd Budowlany
• Rocznik: 2023
• Tom: R. 94, nr 7-8
• Strony: 133--136
• Opis fizyczny: Bibliogr. 29 poz., il., tab.

Twórcy

autor

Brych-Dobrowolska Małgorzata

• Wydział Budownictwa, Mechaniki i Petrochemii, Politechnika Warszawska w Płocku

• https://orcid.org/0000-0002-7291-5299

autor

Prałat Karol

• Wydział Budownictwa, Mechaniki i Petrochemii, Politechnika Warszawska w Płocku

• https://orcid.org/0000-0001-5116-0379

autor

Ciemnicka Justyna

• Wydział Budownictwa, Mechaniki i Petrochemii, Politechnika Warszawska w Płocku

• https://orcid.org/0000-0002-9022-7545

autor

Koper Artur

• Wydział Budownictwa, Mechaniki i Petrochemii, Politechnika Warszawska w Płocku

• https://orcid.org/0000-0003-4922-0816

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