Abstract
Synthesis of glue used for the purpose of sticking plastics on the base of Cyklopol process waste fraction The utilization of monohydric alcohols waste fraction from the Cyklopol process was studied. On the basis of this fraction the solvent, which mainly contains acetic acid esters, was synthesized. Tests of the application of the obtained solvent as a base of glue for plastics were carried out and it was found out that it could be used to stick PMMA together. In the case of PS, PET, PC or PVC slightly weaker sticking properties of this solvent also occurred. The glue joint characteristics in the case of PMMA were similar to those obtained for the glue joints that were made with the use of the commercially available glue used for this plastic. The additional advantage of our glue is its nice fruity smell. The obtained results enable us to establish the possibility of waste alcohol fraction management as a raw material for the production of glue for plastic. The esterification method proposed in the work can be a good way of management of waste alcohol fractions naturally occurring during cyclohexanone production.
Highlights
According to recent knowledge concerning the environment protection, it would be better to look for new ways of the utilization of an industrial waste than to combust it[1].The production methods of a polyvinyl chloride (PVC) plasticizer[2, 3], surfactants[4], paint and lacquer solvents or smell additives were carried out during our research on the utilization of the selected waste products from the Cyklopol process
The thermal shock test[7] consists in placing samples in water bath and heating them up to a temperature of 296 K for 30 minutes and later at a temperature of 393 K. These activities were repeated four times. After these investigations it was found that the welds: polyethylene terephthalate (PET) – PS and PET – Poly(methyl methacrylate) (PMMA) became damaged in the second cycle, PC – PMMA was not damaged but changed from transparent to milk-white colour, PS – PMMA and PS – PS did not get damaged, PVC – PMMA and PVC – PVC became soft and damaged too, PMMA – PMMA and PMMA – solvent did not get damaged, but a small quantity of air bubbles appeared inside the weld after the fourth cycle
The solvent was synthesized on the base of the waste alcohol fraction from Cyklopol process, which mainly consists of amyl – acetic acid ester
Summary
According to recent knowledge concerning the environment protection, it would be better to look for new ways of the utilization of an industrial waste than to combust it[1]. The production methods of a PVC plasticizer[2, 3], surfactants[4], paint and lacquer solvents or smell additives were carried out during our research on the utilization of the selected waste products from the Cyklopol process (the cyclohexanone production process). A test of the obtained solvent for glues that stick to plastic, was taken into consideration in this work. In this work, dehydrated waste alcohol fraction from the Cyklopol plant (The Company: Zak3ady Azotowe in Tarnów-Moœcice S.A.) was used as the main raw material. The water content in the raw fraction does not exceed 3% mass. The sticking properties of the obtained glues were examined with the use of the selected plastics: polyvinyl chloride (PVC), polypropylene (PP), polyethylene (PE), polystyrene (PS), polyethylene terephthalate (PET), polycarbonate (PC),. The material samples were characterized by a flat and smooth surface, the lack of coloured additives and a stiff structure
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