A study was made of the influence of organic clay and its mixture with magnesium hydroxide on the processing properties and flammability of plasticised PVC of grade I40-13A.
The effect of the organoclay content in polyvinyl chloride plasticate on the features of the supramolecular structure and properties of the layered silicate nanocomposite was studied. X-ray diffraction studies showed that with an increase in the number of layered silicate nanofiller, the nanocomposite structure goes from intercalated to exfoliate. Using a combination of scanning and atomic force electron microscopy methods, it has been shown that when organomodified montmorillonite is introduced into polyvinyl chloride plastic compound, montmorillonite nanoparticles act as crystallization nuclei and along with the preservation of “old” supramolecular structures in the melt, “new” supramolecular formations appear. When studying the dependence of tensile strength of nanocomposite polyvinyl chloride on the content of nanofiller, it was found that the maximum strength of the nanocomposite is achieved at a 5-7 % organoclay concentration.
We presented a scientific review of the literature on known biodegradable polymer composite materials and summarized the data on the effect of starch and thermoplastic starch on the biodegradability of industrially produced polymers. We considered the main starch plasticizers.
The paper presents the results of studies on the activation of the surface of carbon and glass fibers by thermal and chemical treatment with acids and mixtures of acids. Carbon and glass fibers with an activated surface are of practical interest for the production of polymer composite materials with high thermal, physical and mechanical characteristics.
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