Additives in UV-activated urethane acrylate polymerization composite coatings

Grigale-Soročina, Zane; Kalniņš, Mārtiņš; Simanovska, Jana; Vīndedze, Elīna; Birks, Ingmars; Brazdauska, Evita

doi:10.3176/proc.2015.1s.04

Cited by 7 publications

(3 citation statements)

References 14 publications

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“…Such a pigment dispersion would not be suitable for use a decorative coating, particularly for cosmetics or nail polish where characteristics such as high gloss and an even, blemish free surface are of paramount importance. In addition, such a pigment dispersion would likely see stability issues in solution due to the high strain large particle sizes place on the suspension matrix of the system [6,7].…”

Section: Resultsmentioning

confidence: 99%

Analysis of Pigment Process and Production Techniques for Use in Nail Polish Systems

Grigale-Soročina¹,

Birks²,

Kalniņš

2017

SSP

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This report explores two key manufacturing processes, and assesses multiple parameters for optimization of these processes. High shear dispersion using a rotor-stator style homogenizer and high-energy grinding using a basket type mill with zirconium balls as the grinding media were studied. The variation between grinding organic and inorganic pigments was assessed as they give different challenges and require different operations to produce successful results. Obtaining the correct particle size distribution of pigments for decorative coatings is of paramount importance for achieving a high quality, functioning, aesthetically pleasing finished product. This analysis will explore the de-agglomeration and dispersion of inorganic TiO2 and organic Red 6 pigments using basket milling technology. High energy basket mill grinding produced the smallest particle size and smallest particle size distribution comparing with high shear dispersion. Used technology allowed to achieve inorganic pigment TiO2 particle size and particle size distribution suitable for use in coatings on natural nails. For organic pigment Red 6 used technology should be customized.

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Section: Resultsmentioning

confidence: 99%

Analysis of Pigment Process and Production Techniques for Use in Nail Polish Systems

Grigale-Soročina¹,

Birks²,

Kalniņš

2017

SSP

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“…To overcome pigment sedimentation in gel polish systems, already small concentrations of silica (1 %.wt) can create thixotropic system and do not affect viscosity significantly [6,7].…”

Section: Introductionmentioning

confidence: 99%

Processing Technology Development for Organic Clay Suspension System

Grigale-Soročina

Birks²,

Kalniņš

2017

SSP

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Nail polish as a system used in cosmetics still faces stability issues. Pigment sedimentation and syneresis are the most common problems for solvent based systems. The scope of this research was to produce a working 'gel' dispersion for use as a suspension agent in nail polish systems. Various thixotropic agents (hectorite and bentonite clays and hydrophobic and hydrophilic silica grades) and methods (high shear homogenisation (HSH) and high pressure homogenisation (HPH)) were employed to affect this result. From the rheology results it is concluded, that the HPH ensures the development of the systems with the required viscosity recovery properties. It is also concluded that high shear developed systems with hydrophilic silica thixotropic agent are well suited for use as a suspension agent in nail polish formulations.

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“…The nail polishes have a specific requirement: the coating has to be stable during the period of use but destroyable at the end of life. This demand makes development of a suitable coating system challenging (Grigale-Sorocina et al, 2015). After use, the worn coating is removed by applying solvents, usually acetone.…”

Section: Introductionmentioning

confidence: 99%

Design for sustainability approach in product development – a case study using innovative nail polishes developed by a small enterprise

Simanovska¹,

Grigale-Soročina²

2016

Proc. Estonian Acad. Sci.

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This article presents a study on Design for Sustainability (D4S) that we conducted in a small company assessing three innovative formulas of nail polish: conventional nail polish, hybrid polish, and gel polish. In light of the need to reduce environmental pollution, the negative social consequences of the production, and the use of various products, manufacturers are challenged to develop products that are economically feasible, attractive to consumers, cause no harm to workers and consumers, and are safe for the environment. In Europe, small and medium-sized companies (SMEs) produce more than half (by economic value) of all goods. However, are they able to implement D4S and do they have the appropriate tools for it? During our case study, we addressed the question about the existence of a suitable tool for SMEs to apply D4S. As the tool, we used a multicriterion matrix visualized as a star diagram and adjusted to the needs of a specific company. The newest development in nail coatings -hybrid polish -seems to be the best formula as it provides optimal technical performance and reduces health and environmental impacts. We demonstrated that decision-making is assisted by the use of a simple multi-criterion matrix in the form of a star diagram that integrates environmental and social aspects during the product design phase in a systematic and transparent way.

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Additives in UV-activated urethane acrylate polymerization composite coatings

Cited by 7 publications

References 14 publications

Analysis of Pigment Process and Production Techniques for Use in Nail Polish Systems

Analysis of Pigment Process and Production Techniques for Use in Nail Polish Systems

Processing Technology Development for Organic Clay Suspension System

Design for sustainability approach in product development – a case study using innovative nail polishes developed by a small enterprise

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