Preparation and characterization of polyether-based polyurethane dolomite composite

被引：0
|
作者：
Ali, Vazid [1 ]
Neelkamal [2 ]
Haque, Fozia Z. [1 ]
Zulfequar, M. [1 ]
Husain, M. [1 ]
机构：
[1] Department of Physics, Materials Science Laboratory, Jamia Millia Islamia (Central University), New Delhi 110025, India
[2] Department of Chemical, Engineering and Technology, Panjab University, Chandigarh 160014, India
来源：
Journal of Applied Polymer Science | 1600年 / 103卷 / 04期
关键词：
A polyether polyol-based two-component polyurethane composite was prepared by a reaction of polypropylene glycol .(PPG) and diethylene glycol (DEG) used as a crosslinker. The final reaction for the preparation of composite is carried out with processed polyether polyol and diphenylmethane 4,4′-diisocyanate (MDI). The physicochemical properties of processed polyether polyol have been measured, such as viscosity, moisture content, and hydroxyl value. The composite has been formed with loading of inorganic filler dolomite [MgCa(CO 3)2] with different filler ratios. It shows good adhesive strength and mechanical properties. Composite samples have also been studied for the effects of acids and bases, swelling in solvents, physical and mechanical properties such as compression strength, shore hardness A and D, tensile strength, and elongation. Some electrical properties have also been studied, viz. thermal conductivity, volume resistivity, and dielectric strength. A comparison of prepared polyetherbased polyurethane composite with some conventional polymeric materials suggests their suitability for various applications. © 2006 Wiley Periodicals, Inc;
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摘要：
Journal article (JA)
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页码：2337 / 2342
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