Development of the potential alternative for synthetic exfoliating particles in the skin cosmetics based on biodegradable polymer poly(3-hydroxybutyrate)

Development of the potential alternative for synthetic exfoliating particles in the skin cosmetics based on biodegradable polymer poly(3-hydroxybutyrate)

Rok:
2020

Celkové hodnotenie

Vedecká práca
80%
Prevedenie (dizajn)
100%
Diskusná interakcia
PoužívateľVedecká prácaDizajnDiskusná interakcia
Bc Rastislav Dorčák80%100%-
ISBN: 978-80-972360-6-9

Development of the potential alternative for synthetic exfoliating particles in the skin cosmetics based on biodegradable polymer poly(3-hydroxybutyrate)

Zuzana Gregušková1 ,
1 Brno University of Technology, Faculty of Chemistry, Institute of Materials Chemistry, Czech Republic
greguskova.zuzana@gmail.com

Primary microplastics represent small particles that are intentionally added into personal care products therefore they can easily enter the aquatic life. Due to their small size and prevailingly non-biodegradation ability they pose a great threat to the environment [1].

This study deals with the preparation of abrasive exfoliating particles from biodegradable polymer poly(3-hydroxybutyrate) and their optimization for cosmetics usage as a potential alternative to synthetic non-degradable types. It explores morphology of prepared particles and its effect on their mechanical properties and abrasive ability.

Many ways for particles preparation were tested in order to find out factors which have an impact on the properties of particles. The potential methods were developed and refined in order to approach reliable analogue to commercial exfoliating particles. Prepared particles were analysed using scanning electron microscopy. Nowadays, there is not any available device for testing the abrasive ability of scrub particles. Therefore, a semi-automatic system for testing of abrasiveness of prepared particles was made up of basic parts of the 3D printing machine. This device was tested and calibrated using floral foam and sandpaper with different grades of granularity and used for comparison of abrasiveness of prepared particles.  Mechanical response of particles under pressure was also investigated. It was found out that measured mechanical properties correlate with the data from the abrasiveness test. Size and shape of particles, their morphology, mechanical properties and abrasiveness can be controlled by used preparation method. Several cosmetic bases were prepared with selected prepared and commercial exfoliating particles and they were applied for sensory evaluation.

Poďakovanie: 
Zdroje: 

[1] GULLIVER, Teigan. Degradation of PHB and PE microbeads in aerobic and anaerobic biological wastewater treatment microcosms [online]. Colorado, 2017 [cit. 2020-04-29]. https://mountainscholar.org/handle/11124/170684?show=full. Masters Thesis. Colorado School of Mines

Diskusia

Dobry den,

rozumiem tomu spravne, ze spominanymi aditivami viete kntrolovat kvalitu, vlastnosti castic. Pri ich vyuziti v produkte, vsak budu sucastou dalsich latok, tieto budu tiez ovplyvnovat sledovane paramentre?

Dakujem, s pozdravom, PF

Dobrý deň,
ďakujem za reakciu k mojej práci.

Kvalita, resp. vlastnosti pripravených častíc nie je primárne založená na aditívach - jediným prídavkom je totiž CaCl2, ktorý je ale následne odstránený, takže častice skutočne obsahujú takmer čistý biopolymér, čo bolo overené EDX analýzou. Variabilita vlastností je ukrytá v modifikácii samotného procesu výroby.

Ako som spomínala v abstrakte, pripravené častice boli následne podrobené senzorickej analýze, kde boli aplikované do nami pripravených kozmetických základov, ktoré obsahovali bežne používané suroviny. Žiadna interakcia s časticami však zaznamenaná nebola a častice aj podľa subjektívnych odpovedí respondentov korelovali s vopred stanovenými vlastnosťami. Navyše, tento biopolymér je hydrofóbny, taktiež narozdiel od celulózových častíc nebude dochádzať k jeho napúčaniu.

Podarilo sa nám teda pripraviť častice so stálymi vlastnosťami, ktoré si dokonca dokážeme modifikovať a prispôsobiť rôznym potrebám a citlivosti pokožky prípadných zákazníkov. Navyše sa dokážu plne rozložiť v ŽP.

Dúfam, že sa mi podarilo zodpovedať Vašu otázku. Ak nie, rada odpoviem na ďalšie.
S pozdravom Zuzana Gregušková

Dakujem!