Abstract
Papers are raw materials with high flammability. Some of the products produced in the printing industry are used in places requiring high heat resistance. High-tech papers can be produced by adding a flame retardant to the paper coating formulation or pulp. In this study, it is aimed to prepare polyvinyl alcohol (PVA )- zinc borate / melamine / zinc boratemelamine paper coating formulations and to produce flame retardant paper by coating on paper.For this purpose, primarily zinc borate is produced by boric acid and zinc carbonate reaction . In the second part of the study, four different coating formulations were prepared by adding zinc borate, melamine and their double mixtures to the main formulation, where PVA polymer matrix was used as binder, and coatings were made on an 80g/m2 paper surface. Limiting oxygen index (LOI ), gloss, color, surface energy and contact angles properties of the produced papers were determined. Offset printing was done onto coated papers with IGT C1 test printing machine. All produced flame retardant papers have good printability characteristics
Highlights
These; 1. polysaccharides, proteins, and lipids that are derived directly from natural raw materials and renewable resources; 2. poly(lactic acid) (PLA), polyvinyl alcohol (PVA) that are chemically synthesized from bio-derived monomers; 3. poly(hydroxybutyrate) (PHB), poly(hydroxyvalerate), and poly(hydroxyalkanoates) that are made from microbiologically produced materials or genetically modified bacteria (Chandra & Rustgi, 1998; Avérous, 2008)
It was determined that the colors of the coated papers containing flame retardant shifted to blue
When examined thermally; the highest thermal stability was observed in paper coatings containing zinc borate and zinc borate/melamine
Summary
Synthetic polymers made of petroleum are used in the packaging industry for sealing, transparency, barrier, moisture protection etc. Natural polymers materials are being used in ever more areas and under ever more demanding environmental conditions These include antimicrobial coatings and packaging, indicator labels and films, flame retardant coating and films, edible prints and conductive inks (Lu & Hamerton, 2002; Duncan, 2011). Flame retardant coating and films prevent or delay the ignition of valuable documents (check, money, valuable book) or printed papers (wallpapers, laminate parks, etc.) used in a home environment, providing features such as providing extinguishing time or preventing the spread of fire. Such materials fall into the field of advanced polymeric applications (Siracusa et al, 2008).
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