DIVINYL AROMATIC COMPOUNDS AND DI(METHACRYLATES)
1793
Sci., Polym. Chem. Ed., 1996, vol. 34, pp. 1165–1181.
CONCLUSIONS
11. Zaitsev, B.A., Khramova, G.I., Dantsig, L.L., et al., Plast.
Massy, 1981, no. 9, pp. 12–13.
(1) Dehydration of disecondary aromatic diols, e.g.,
of bis[4-(1-hydroxyethyl)phenyl]alkanes, performed by
refluxing them at 100–150°С in a nonpolar aromatic
solvent in the presence of 1–5 mM of p-toluenesulfonic
acid monohydrate, gives p,p'-divinyl aromatic
compounds, e.g., bis(4-vinylphenyl)methane and
1,2-bis(4-vinylphenyl)ethane, in quantitative yield.
12. Zaitsev, B.A., Khramova, G.I., Tsygankova, T.S., et al.,
Mekh. Kompoz. Mater., 1982, no. 5, pp. 775–778.
13. Zaitsev, B.A., Khramova, G.I., Tsygankova, T.S., et al.,
Plast. Massy, 2003, no. 10, pp. 23–25.
14. Zaitsev, B.A., in Х Mezhdunarodnaya konferentsiya po
khimii i fizikokhimii oligomerov “Oligomery 2009”:
Rasshirennye materialy plenarnykh dokladov (X Int.
Conf. on Chemistry and Physical Chemistry of Oligomers
“Oligomers 2009”: Extended Materials of Plenary
Lectures), Volgograd, September 7–11, 2009, Moscow,
2009, pp. 134–161.
(2) Heating of divinyl aromatic monomers М1, e.g.,
of bis(4-vinylphenyl)methane and 1,2-bis(4-vinylphenyl)
ethane, for 2–7 h at 70–110°С in a nonpolar aromatic
solvent at a concentration of catalyst IV of 35 ± 20 mM
gives linear unsaturated oligomers in high yields.
(3)Acid-catalyzed reactions of bis[4-(1-hydroxyethyl)
phenyl]alkanes with methacrylic acid yield products
consisting of (di)vinyl aromatic compounds and (di)
methacrylates. Their structure, composition, and properties
can be controlled by varying the reaction temperature
(70–144°С) and time, and also the concentration (3.3–27
mM) of the catalylst, p-toluenesulfonic acid monohydrate.
15. Fiziko-khimicheskie svoistva individual’nykh
uglevodorodov (Physicochemical Properties of Individual
Hydrocarbons), Moscow: Gostoptekhizdat, 1960.
16. Fizicheskie velichiny (Physical Quantities), Grigor’ev, I.S.
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1991.
17. Korshak, V.V., Termostoikie polimery (Heat-Resistant
Polymers), Moscow: Nauka, 1969.
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