Prof. Dr. Goran Cubric
Department of Clothing Technology, University of Zagreb, Zagreb, Croatia
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Academic Career Length
20Years (2007-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 March 2019 in Fibers and Polymers
Journal Article
Journal Article
Ivana Salopek ČubrićGoran CubricIKInes Katić Križmančić
Ines Katić Križmančić
Monika KovačevićWith the increase in awareness of the importance of engagement in physical activities, high requirements have been placed on polymers intended for use in sports. A number of authors investigated the influence of aging factors on the performance of the polymer. Still, there is a lack of aging protocols that would be product-centered, especially when high performance is imperative. This paper presents a new approach to polymer aging and examines the change of the identified set of properties due to aging under different conditions, and the duration of each (topography, thickness, moisture management, elongation, and bursting force). The results of the testing revealed the increase in thickness due to exposure, especially to the sun-exposed materials. The ability of materials to elongate until the moment of rupture decreases due to exposure to the sun (strong relationship to the time of exposure; R2 reaches 0.99) and the bursting force (up to 6.8%). Furthermore, results indicate the significantly impaired capacity of the polymer material to absorb moisture. The results of measurements indicated (derived) by spectroscopic studies, based on the ATR-FTIR (attenuated total reflectance) method, showed that there was no detectable influence of aging in the sun or shade on the chemical structure of polyester samples.
Journal Article
Ivana Salopek ČubrićGoran CubricVMVesna Marija Potočić Matković
Vesna Marija Potočić MatkovićThe degradation of polyamide (PA) and polyester (PES) polymers is under intense study due to growing concerns about the accumulation of plastics in soils and oceans. Previous studies confirm that ageing degrades PA and PES at the molecular level. However, researchers have not addressed the development of protocols for aging textile materials in swimming pools, and few data are available on the effects of aging on comfort and durability. This research addresses the development of the aging protocol for PA and PES swimwear materials, its implementation, and the evaluation of properties that assure comfort and durability after specific periods of exposure. The tests include microscopic analysis, tensile tests, determination of fluid transport phases and drying period. The results revealed changes in the surface of the material in terms of fibrillation (more pronounced after outdoor aging). There is a positive correlation between the exposure duration and the breaking force (R2 ranges from 0.85 to 0.98), with a stronger correlation for the PA materials. The decrease in breaking force due to aging is up to 40%, indicating significantly reduced durability. The change in breaking force follows the changes in mass (R2 = 0.867). In terms of comfort assurance, outdoor aging of materials should have a greater negative impact than indoor ageing.
Journal Article
Goran CubricIvana Salopek Čubrić
Dubravko Rogale
Snježana Firšt RogaleEvaluating mechanical and thermal characteristics of garment systems or their segments is important in an attempt to provide optimal or at least satisfying levels of comfort and safety, especially in the cold environment. The target groups of users may be athletes engaged in typical sports that are trained in the cold, as well as football players that play matches and train outdoors during the winter season. Previous studies indicated an option to substitute the inner layers of an intelligent garment with polyurethane inflated chambers (PIC) to increase and regulate thermal insulation. In this paper, the authors investigate the mechanical properties of polyurethane material with and without ultrasonic joints. Furthermore, they investigate the potential of designed PICs in terms of efficiency and interdependence of air pressure and heat resistance. The results indicated that an inflated PIC with four diagonal ultrasonic joints has the highest ability to maintain the optimal thermal properties of an intelligent clothing system. The influence of direction and number of ultrasonic joints on the mechanical properties of polyurethane material is confirmed, especially in terms of compression resilience and tensile energy.
16 September 2019 in Journal of The Institution of Engineers (India): Series E
Journal Article
Goran CubricICIvana Salopek Cubric
Ivana Salopek Cubric
15 June 2021 in International Journal of Simulation Modelling
Journal Article
Petar CurkovicGoran CubricAbout Me
Goran Čubrić was born in Zagreb, where he completed primary and secondary school. After graduating in 2000, he was employed in the company "Heruc - making clothes" as production organizer in a work unit where he acquired a remarkable technological experience. In June 2003 he was employed as a specialized associate at the Faculty of Textile Technology to conduct practical classes in the sewing process and exercises in courses relating to machinery and automation. In 2006 he was employed as Assistant at the Faculty of Textile Technology and he started postgraduate study of Textile Science and Technology.
Defending his dissertation on 07th December 2012, entitled "Design of heat isolating chambers for thermo adaptive clothing", he acquired the title of Doctor of Science and was promoted to Professor. As co-author he has published a book chapter, a university textbook, a number of original scientific research papers in CC/SCI journals, and scientific papers in conference proceedings.
He participated in the organization of numerous scientific conferences and is one of the editors of Proceedings of the 5th, 6th and 7th International Ergonomics Conferences. He is a member of the Executive Board of the Croatian Ergonomic Society, President of TO 159 Ergonomics at the Croatian Standards Institute and member of TO 579 Robotics, Automation and Integration Systems.