MECHANICAL PROPERTIES OF A WATER-BASED ACRYLIC COATING CONTAINING MICROCAPSULES OF RAPESEED OIL - ETHYL CELLULOSE

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MIRABEDINI SEYED MOJTABA

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Journal Paper

Paper Information

Journal: Iranian Journal of Polymer Science and Technology Year:2013 | Volume:26 | Issue:4 (ISSUE NO. 126) Page(s): 350-358

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Title

MECHANICAL PROPERTIES OF A WATER-BASED ACRYLIC COATING CONTAINING MICROCAPSULES OF RAPESEED OIL - ETHYL CELLULOSE

Author(s)

MIRABEDINI SEYED MOJTABA | Issue Writer Certificate

Keywords

MICROCAPSULEQ2

WATER-BASED COATINGQ2

SELF-HEALINGQ2

PLASTICIZINGQ2

PHYSICAL-MECHANICAL PROPERTIESQ3

Abstract

Rapeseed oil-filled ethyl cellulose MICROCAPSULEs were prepared using a twostep solvent evaporation method. The prepared oil-filled MICROCAPSULEs were characterized by; optical microscopy, scanning electron microscopy and particle size analyzer. The mechanical properties of carboxylated styrene/butadiene copolymer latex films containing various levels of MICROCAPSULEs were studied using DMTA and tensile strength measurements. The characterization test results showed that rapeseed oil-contained MICROCAPSULEs with a regular spherical shape, diameter range of 10-45 μm, and a relatively rough porous shell were successfully prepared. The results also revealed that the overall mechanical properties of the latex films containing oil-filled MICROCAPSULEs improved, due to reinforcing effect of capsules within the latex films; with the best results using 1-2 wt% of oil-filled MICROCAPSULEs. The improved results were obtained in reinforcing the samples before tests such as tensile tension, capsule rupturing and the oil release within the polymeric network by maintaining the integrity of the films by plasticization of the surrounding polymeric network, increased elongation-at-break, and enhanced resistance against tear or break. With further increasing of MICROCAPSULEs content up to 3 wt%, there was a drop in overall mechanical properties of latex films, due to possible aggregation of MICROCAPSULEs, presence of free rapeseed oil within the latex film and weak polymer/ MICROCAPSULEs interface. A proper distribution and dispersion of oil-filled MICROCAPSULEs within the latex film, and rupture of sufficiently large MICROCAPSULEs under stress, oil release within the polymeric network and easy movement of the chains were the main requirements for achieving latex film with good mechanical properties.

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APA: Copy

MIRABEDINI, SEYED MOJTABA. (2013). MECHANICAL PROPERTIES OF A WATER-BASED ACRYLIC COATING CONTAINING MICROCAPSULES OF RAPESEED OIL - ETHYL CELLULOSE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 26(4 (ISSUE NO. 126)), 350-358. SID. https://sid.ir/paper/6385/en

Vancouver: Copy

MIRABEDINI SEYED MOJTABA. MECHANICAL PROPERTIES OF A WATER-BASED ACRYLIC COATING CONTAINING MICROCAPSULES OF RAPESEED OIL - ETHYL CELLULOSE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2013;26(4 (ISSUE NO. 126)):350-358. Available from: https://sid.ir/paper/6385/en

IEEE: Copy

SEYED MOJTABA MIRABEDINI, “MECHANICAL PROPERTIES OF A WATER-BASED ACRYLIC COATING CONTAINING MICROCAPSULES OF RAPESEED OIL - ETHYL CELLULOSE,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 26, no. 4 (ISSUE NO. 126), pp. 350–358, 2013, [Online]. Available: https://sid.ir/paper/6385/en

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