Sieciowanie mikrofalami kompozycji poliakrylowych z udziałem dekstryny i wykorzystanie ich jako spoiw do mas odlewniczych

B. Grabowska

Published : 2022-08-18

Vol. 54 No. 7-8 (2009)

Microwave crosslinking of polyacrylic compositions containing dextrin and their applications as molding sands binders

B. Grabowska

Abstract

Three polymeric compositions being the mixtures of aqueous solutions of either poly(acrylic acid) or poly(sodium acrylate) or sodium salt of maleic acid/acrylic acid copolymer and dextrin (biopolymer) were elaborated. These compositions were crosslinked by microwave radiation and then the changes of chemical structures, caused by radiation, were evaluated by FT-IR method (Table 1-3, Fig. 1-4). Molding sands were prepared from high-silica sand as a matrix and non-crosslinked polymer compositions mentioned above as the binders. Molding sand hardening was carried out under microwave radiation. Compression strength (Rcu) of hardened molding sands was investigated (Fig. 5). The molding sands containing poly(acrylic acid) + dextrin composition (composition I) show the best compression strength. The morphology of crosslinked material prepared with use of composition I was characterized by SEM method (Fig. 6).

Keywords

poliakrylany ; biopolimery ; dekstryna ; masa odlewnicza ; spoiwo ; sieciowanie ; mikrofale ; budowa chemiczna ; wytrzymałość na ściskanie polyacrylates ; biopolymers ; dextrin ; molding sand ; binder ; crosslinking ; microwaves ; chemical structure ; compression strength

Similar Articles

D. M. Bieliński, U. Ostaszewska, J. Jagielski, Application of ion bombardment to modify tribological properties of elastomers , Polimery: Vol. 59 No. 5 (2014)
A. Smejda-Krzewicka, W. M. Rzymski, D. Kowalski, Tin oxide cross-linking of chloroprene rubber , Polimery: Vol. 60 No. 3 (2015)
N. Mohd Nurazzi, A. Khalina, S. M. Sapuan, R. A. Ilyas, Mechanical properties of sugar palm yarn/woven glass fiber reinforced unsaturated polyester composites: effect of fiber loadings and alkaline treatment , Polimery: Vol. 64 No. 10 (2019)
B. Grabowska, B. Pilch-Pitera, K. Kaczmarska, B. Trzebicka, B. Mendrek, D. Drożyński, P. Łątka, Properties of poly(acrylic acid)/modified starch compositions applied as a new polymeric binders , Polimery: Vol. 60 No. 3 (2015)
M. Przybyszewska, M. Zaborski, A. Masek, Coagents for peroxide curing of hydrogenated acrylonitrile-butadiene elastomer , Polimery: Vol. 54 No. 11-12 (2009)
H. Janik, A. Balas, Chemical structures and physical properties of cured segmental polyurethanes , Polimery: Vol. 54 No. 3 (2009)
Jolanta Świderska, Waldemar Świderski, Adrian Antosik, Effect of radiation source distance on the properties of dental fillings , Polimery: Vol. 64 No. 7-8 (2019)
M.Y.M. Zuhri, M.A. Nasrudin, M.A.M. Nasrodin, S.M. Sapuan, M.Z. Hassan, Mechanical properties under quasi-static loading of the core made of flax/poly(lactic acid) composite , Polimery: Vol. 66 No. 3 (2021)
Elżbieta Bociąga, Władysław Skoneczny, Characteristics of injection molded parts with the areas of weld lines , Polimery: Vol. 65 No. 5 (2020)
Mikelis Kirpluks, Aiga Ivdre, Anda Fridrihsone, Ugis Cabulis, Tall oil based rigid polyurethane foams thermal insulation filled with nanofibrillated cellulose , Polimery: Vol. 65 No. 10 (2020)

<< < 1 2 3 4 5 6 7 8 9 10 > >>

You may also start an advanced similarity search for this article.

Details

Statistics

Authors

Download files

PDF (Język Polski)

Zasady cytowania

Grabowska, B. (2022). Microwave crosslinking of polyacrylic compositions containing dextrin and their applications as molding sands binders. Polimery, 54(7-8), 507–513. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1225

Altmetric indicators

Citing articles via

Statistics

Total abstract views : 0

PDF Downloads : 0