Abstract
The present paper deals with evaluating bactericidal properties of polyvinylchloride compositions for linoleum manufacturing. PVC-floor coatings are widely used in health care facilities, hospitals and outpatient departments due to antistatic properties, non-toxicity, advanced resistance to wear, fastness to water, functionality and improved durability. Strict standards of resistance to bacteria and fungi are applied to this type of coatings due to their exposure to detergents and washing agents. Modifying PVCcomposition by calcium methylsilicate, also known as wollastonite, increases its resistance to Gram-positive and Gram-negative organisms. Cationic surface-active substances are active to both type of microorganisms and could withstand propagation of bacterial medium on polyvinylchloride linoleum surface. They also exhibit the functions of biostatics inhibiting the growth of microorganisms and of bactericides killing microorganisms. Quaternary ammonium compounds represent efficient group of biocides for water-dispersible coating materials and for this reason their investigation for PVC-linoleum is of utmost interest. PVC floor coatings modified by wollastonite are more resistant to aggressive chemical liquids and microorganisms than linoleum with the base composition. The authors proved that PVC-based linoleum with surface-activated filler, wollastonite, had shown enhanced fastness to water and higher resistance to water solutions of antiseptic agents and bacteria.
Highlights
PVC-linoleum could be seen as one of the most advanced floor coatings for health care facilities if evaluated by price/quality ratio
Floor coatings in health care facilities, as distinguished from domestic linoleum, for instance, are exposed to impact of various washing agents and detergents. The reason for this is that higher standards of resistance to bacteria and fungi are applied for this type of linoleums
Quaternary ammonium compounds represent efficient group of biocides for water-dispersible coating materials [10]; for this reason their investigation for PVC-linoleum is of utmost interest
Summary
PVC-linoleum could be seen as one of the most advanced floor coatings for health care facilities if evaluated by price/quality ratio. PVC-linoleum is characterized by the high level of shock-absorbing that reduces the load on the musculoskeletal system and muscles of the patients undergoing treatment in health care facilities, in particular those with lower limb injuries. This floor coating has high acoustic isolation creating the comfortable conditions for sick people [1]. Floor coatings in health care facilities, as distinguished from domestic linoleum, for instance, are exposed to impact of various washing agents and detergents The reason for this is that higher standards of resistance to bacteria and fungi are applied for this type of linoleums. Quaternary ammonium compounds represent efficient group of biocides for water-dispersible coating materials [10]; for this reason their investigation for PVC-linoleum is of utmost interest
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