The Influence of Grinding Time & Binder on the Particle Size Distribution of the Pearl Pigments

펄 안료의 입도분포에 미치는 분쇄시간 및 바인더의 영향

  • So Tae-Sup (Hankook Cosmetic Co. Ltd., R&D Center) ;
  • Go Du-Jin (Hankook Cosmetic Co. Ltd., R&D Center) ;
  • Ro Hee-Su (Hankook Cosmetic Co. Ltd., R&D Center) ;
  • Kim Sang-Bum (Hankook Cosmetic Co. Ltd., R&D Center) ;
  • Kim Tae-Won (Hankook Cosmetic Co. Ltd., R&D Center) ;
  • Kim Joong-Hoi (Hankook Cosmetic Co. Ltd., R&D Center)
  • 소태섭 (한국화장품(주) 기술개발연구소) ;
  • 고두진 (한국화장품(주) 기술개발연구소) ;
  • 노희수 (한국화장품(주) 기술개발연구소) ;
  • 김상범 (한국화장품(주) 기술개발연구소) ;
  • 김태원 (한국화장품(주) 기술개발연구소) ;
  • 김중회 (한국화장품(주) 기술개발연구소)
  • Published : 2004.12.01

Abstract

For pearl pigments used for splendor or gloss effect of make-up products, especiallv point make-up products like eye-shadow and blusher, we studied the variation of particle size distribution by the grinding time and by the binder used as a binding agent. In this study. high speed mixer was used and the particle sire distribution was measured by using the light scattering method. In case of pearl pigments, its median diameter of $5{\;}{\mu}m$, the particle size was reduced to 4.6 um when it was ground for 120 s. When it was applied for the pearl pigment of $45{\;}{\mu}m$, the particle size was reduced to $27{\;}{\mu}m$. We confirmed that the latter was reduced more largely and the original gloss was reduced too. For the binder, we studied the correlation between particle size of raw material and grinding time. We also investigated the effects of the binder contents on the variation of particle size distribution of products by aggregation of particles.

메이크업 제품에 있어서 특히 아이섀도나 블러셔와 같은 포인트 메이크업 제품의 제조시 화사함이나 광택을 부여하기 위하여 사용되는 펄 안료에 대하여 분쇄시간에 따른 입도분포 변화와 결합제로 사용되는 바인더의 영향에 따른 입도분포의 변화에 대하여 검토하였다. 고속 회전형 믹서기를 사용하였으며 레이져 회절${\cdot}$산란법을 이용하여 입도분포를 측정하였다. 평균경 5 um의 펄 안료인 경우 120 s간 분쇄하였을시 4.5 um로 입자경의 변화 폭이 작지만, $45{\;}{\mu}m$인 경우 27 um로 현저히 작아지며 그에 따라 본래의 광택감도 떨어지는 것을 확인할 수 있었다. 바인더의 경우, raw material의 입자사이즈에 따라 분쇄시간과의 상관성을 확인하였으며, 바인더 함량에 따라 입자간의 응집에 의하여 발생하는 분립체의 입도분포의 변화에 대해서도 고찰하였다.

Keywords

References

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