Modification Of WPC Materials By Introduction Of Dioctylphthalate Plasticizer

Number of journal: 8-2019
Autors:

Askadskii A.A.
Matseevich T.A.
Kondrashchenko V.I.

DOI: https://doi.org/10.31659/0585-430X-2019-773-8-54-59
УДК: 676. 022

 

AbstractAbout AuthorsReferences
The properties of materials of wood-polymer composites (WPC), modified with mineral filler and plasticizer were studied. The modified materials modified with mineral filler possess very low water absorption of 0.013% compared with 1.25% for ordinary material based on the WPC. The stress relaxation of a modified material was investigated and it was found that the master relaxation curve of the modified sample is located in the stress range from 900 to 1300 MPa, which is higher than for the standard sample. Thermal expansion of samples containing the dioctylphthalate plasticizer (DOP) is in the range from 26 to 68·10-6 K-1; the same range is characteristic and for the control sample free of mineral filler. The water absorption of the samples plasticized with DOP is 0.013% that is also at the level of the samples containing the mineral filler, and significantly less than the water absorption of the control sample. Specific impact toughness is 5.8 kJ/m2, bending strength is 32 MPa.
A.A. ASKADSKII1, 2, Doctor of Sciences (Chemistry) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
T.A. MATSEEVICH2, Doctor of Sciences (Physics and Mathematics), (This email address is being protected from spambots. You need JavaScript enabled to view it.)
V.I. KONDRASHCHENKO3, Doctor of Sciences (Engineering), (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
2 A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS) (28, Vavilova Street, Moscow, 119991, Russian Federation)
3 Russian University of Transport (9, Build. 9, Obraztsova Street, Moscow, 127994, Russian Federation)

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For citation: Askadskii A.A., Matseevich T.A., Kondrashchenko V.I. Modification of WPC materials by introduction of dioctylphthalate plasticizer. Stroitel’nye Materialy [Construction Materials]. 2019. No. 8, pp. 54–59. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2019-773-8-54-59


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