Deep Colored Pearl Deep Colored Pearl without any Colorant - PowerPoint PPT Presentation

3rd Ver. Non Bleeding - - Non Bleeding Deep Colored Pearl Deep Colored Pearl – without any Colorant without any Colorant – - Characteristics and Preparations of Inorganic Pearlescent Pigments - Color ant-less -ation Deep- ation by only White & Black pigments Sep. 2011 ㈜ 젠 텍 XENTECH Co., Ltd. 신소재 연구소 (R&D Center for Advanced Materials) 충북 청주시 흥덕구 송정동 27-18 TEL:(043)238-9997 FAX:(043)238-9998 www.xentech.kr sunny @xentech.kr X e n T e c h C o., L t d. R & D center for Advanced Materials

The Main Concept - 1 Color ant-less -ation Deep- ation by only White & Black pigments X e n T e c h C o., L t d. R & D center for Advanced Materials

The Optical Property of TiO 2 /Mica pigment Common TiO 2 /Mica Pearl Pigments TiO 2 TiO 2 TiO 2 TiO 2 TiO 2 Mica Mica Mica Mica Mica White/Silver Yellow Red Blue Green White/Silver Yellow Red Blue Green 40-60 nm 60-80 nm 80-100 nm 100-130 nm 130-160 nm 40-60 nm 60-80 nm 80-100 nm 100-130 nm 130-160 nm X E N T E C H C o., L t d. X e n T e c h C o., L t d. R & D center for Advanced Materials R & D center for Advanced Materials

Interference effect of Common Pearl – (1) Interference effect of Pearl pigments Reflectance (% of incident light which is reflected) “부분적으로 상이한 위상을 가지고 한 지점에서 1 2 교접할 경우 특정 파장은 보강간섭, 특정 파장은 상쇄간섭이 일어남” n 0 Ⅰ n 1 두께 (t) Ⅱ n 2 Air n 0 The film of thickness( t ) has a refractive index( n 1 ) n 1 TiO 2 두께 Optical thickness : n 1 t (t) n 2 Mica Eq.(5) For Perpendicular Light Incidence and n 1 〉 n 0 λ Phase Change for Ray = 2 R λ ; the reflectance at wavelength λ λ Constructive Interference = Odd Multiples of 4 r ; the amplitude of the reflected light r Ⅰ ; the amplitude of the light reflected at Interface Ⅰ λ r Ⅱ ; the amplitude of the light reflected at Interface Ⅱ Destructive Interference = Odd Multiples of 2 t' ; the phase difference between the two reflected rays X e n T e c h C o., L t d. R & D center for Advanced Materials

Interference effect of Common Pearl – (2) � 파장( λ )에 따른 반사율에 대한 관계식을 미분하고, d R λ /d λ = 0 로 설정하여 Eq.(5)를 풀면 � 반사율의 최소/최대값을 나타내는 위치 산출 Eq.(6-1) Eq.(6) From eq.(5) Eq.(7) 최대반사율 (Reflection Maximum) Eq.(7) 최대반사율 (Reflection Maximum) 광학적 두께가 파장의 1/4 일 경우 광학적 두께가 파장의 1/4 일 경우 Thickness TiO 2 n 1 t = (2m-1) λ max / 4 (t1) n 1 t = (2m-1) λ max / 4 Eq.(7) 4 π n 1 t / λ = π , 3 π , 5 π , etc. Mica 4 π n 1 t / λ = π , 3 π , 5 π , etc. n 1 t = λ /4, 3 λ /4, 5 λ /4, etc. n 1 t = λ /4, 3 λ /4, 5 λ /4, etc. Eq.(8) 최소반사율 (Reflection Minimum) From eq.(5-1) Eq.(8) 최소반사율 (Reflection Minimum) 광학적 두께가 파장의 1/2 일 경우 광학적 두께가 파장의 1/2 일 경우 n 1 t = (m-1) λ min / 2 n 1 t = (m-1) λ min / 2 Eq.(8) Thickness TiO 2 (t2) 4 π n 1 t / λ = 0, 2 π , 4 π , etc. 4 π n 1 t / λ = 0, 2 π , 4 π , etc. Mica n 1 t = 0, λ /2, λ , 3 λ /2, etc. n 1 t = 0, λ /2, λ , 3 λ /2, etc. X e n T e c h C o., L t d. R & D center for Advanced Materials

The Optical Property of Ti n O 2n-1 /Mica pigment Color Pearl TiO 2 /Mica pigment의 필요조건 With organic or Inorganic pigment � High Refractive Index Fe 2 O 3 Carmine Fe 4 [Fe(CN) 6 ] 3 Cr 2 O 3 � Good Transparency Fe 2 O 3 � Smooth Surface TiO 2 TiO 2 TiO 2 TiO 2 TiO 2 � Platy structure with sizes between Mica Mica Mica Mica Mica 10-50 ㎛ � Optimum Thickness Inorganic Black Colored Pearl TiO 2 Inorganic Colored Pearl MICA TiO 2-x TiO 2-x TiO 2-x TiO 2-x TiO 2-x Mica Mica Mica Mica Mica TiO 2-x TiO 2-x TiO 2-x TiO 2-x TiO 2-x X E N T E C H C o., L t d. X e n T e c h C o., L t d. R & D center for Advanced Materials R & D center for Advanced Materials

The Summary of Titan Colored Pearl The Color effect By only Inorganic components only Inorganic components In Pearl Pigments Exclude any Organic materials Exclude Exclude any Cyanide components Exclude Exclude any Chromic components Exclude Main Ingredients Main Ingredients � Only Mica or Glass � Only Mica or Glass � with Titanium oxide(TiO 2 , TiO 2-x ) � with Titanium oxide(TiO 2 , TiO 2-x ) � with Iron oxides(Fe 2 O 3 , Fe 3 O 4 ) � with Iron oxides(Fe 2 O 3 , Fe 3 O 4 ) � Non-Bleeding for any solvent or salts in Cosmetic fields Applicable to Applicable to � Very stable against Any Cosmetic Formulation Any Cosmetic Formulation Heat, Light, Acid, Alkali, pH of solution with good stability with good stability � No harmful to man’s skin X e n T e c h C o., L t d. R & D center for Advanced Materials

The Coloration by Optical effect of Titan pearl Blue Appearance color Blue Interference color ( White Appearance ) Blue Appearance color Blue Interference color ( White Appearance ) X Thickness n 0 Air n 0 t = t 1 n x (t 3 ) n 1 Thickness n 1 TiO 2 The color effect created by (t 1 ) (t) Internal Light Refection & External Light Absorption n 2 n 2 Mica by thin layer of Titanium Black Pigments Black Titanium oxide (INCI name: Ti/TiO 2 ) Blue Interference color ( White Appearance ) Blue Interference color ( White Appearance ) Violet Appearance color Violet Appearance color X Thickness t = t 2 + t 3 Air n 0 n 0 n x (t 3 ) n 1 The color effect created by Thickness n 1 Internal Light Refection & (t 2 ) TiO 2 (t) External Light Absorption n 2 n 2 by thin layer of Titanium Black Pigments Mica X E N T E C H C o., L t d. X e n T e c h C o., L t d. R & D center for Advanced Materials R & D center for Advanced Materials

Procedure of Black Ti n O 2n-1 / Mica pigment � Mica Mica Suspension � Purified Water � NaOH solution pH 1.5-2.5, Temp. 80-85 ℃ Hydrolysis Reaction � TiCl 4 solution Mica + TiOCl 2 + 2NaOH → TiO 2 /Mica + 2Na + Cl - Pearl Suspension � Reducing agent Pearlescent Pigment Reducing Reaction 700 ℃ in vacuum drier Reduction TiO 2 /Mica＋ ( x H 2 O) ------------------→ Washing Ti n O 2n-1 /Mica ＋ 2H 2 ↑＋( y H 2 O)↑ INCI Name : Titanium/Titanium dioxide Drying / Screening (Ti/TiO 2 ) � New Pearl pigment with Color ant-less Color -ation � New Pearl pigment with Color ant-less Color -ation � Non Bleeding Deep Colored Pearl without any Colorant � Non Bleeding Deep Colored Pearl without any Colorant X E N T E C H C o., L t d. X e n T e c h C o., L t d. R & D center for Advanced Materials R & D center for Advanced Materials

The Color & Black effect by Draw Down Test 6 appearance color & 6 black color pearl ( White, Gold, Red, Violet, Blue, Green) Black Interference Blue Pearl Black Interference Red Pearl Real Black Color Pearl Black Interference Blue Pearl Black Interference Red Pearl Real Black Color Pearl X e n T e c h C o., L t d. XenTech Co., Ltd. R & D Center for Advanced Materials R & D center for Advanced Materials

Test Results of Bleeding & Solvent Stability - (1) Product No Name 1 TTP 106 2 TTP 321 in 2N HCl Solution 3 TTN 246 4 TTN 490 5 TV 520 6 TV 500 C-1 CA-Gold in 2N NaOH Solution C-2 CA-Red C-3 CA-Blue C-4 CA-S.Green X e n T e c h C o., L t d. R & D center for Advanced Materials

Test Results of Bleeding & Solvent Stability - (2) 외관 색상 안정성 용출현상 (Color Stability) (Bleeding) Product 색상 No Components Name 알칼리 알칼리 산 (Acid) 산 (Acid) (Alkali) (Alkali) ◎ ◎ ◎ ◎ 1 TTP 106 Mica / TiO 2 / Ti n O 2n-1 Deep Silver ◎ ◎ ◎ ◎ 2 TTP 321 Mica / TiO 2 / Ti n O 2n-1 Soft Orange ◎ ◎ ◎ ◎ 3 TTP 246 Mica / TiO 2 / Ti n O 2n-1 Deep Red ◎ ◎ ◎ ◎ 4 TTP 490 Mica / TiO 2 / Ti n O 2n-1 Strong Violet ◎ ◎ ◎ ◎ 5 TTP 656 Mica / TiO 2 / Ti n O 2n-1 Deep Blue ◎ ◎ ◎ ◎ 6 TTP 514 Mica / TiO 2 / Ti n O 2n-1 Noble Khaki Mica / TiO 2 / Fe 3 O 4 / △ △ △ × C-1 CA-Gold Dark Gold Fe 2 O 3 Mica / TiO 2 / Fe 3 O 4 / × × × × C-2 CA-Red Dark Red Carmine Mica / TiO 2 / Fe 3 O 4 / △ × × × C-3 CA-Blue Dark Blue Fe 4 [Fe(CN) 6 ] 3 Mica / TiO 2 / Fe 3 O 4 / △ C-4 CA-S.Green △ × × Dark Green Fe 2 O 3 / Fe 4 [Fe(CN) 6 ] 3 X e n T e c h C o., L t d. R & D center for Advanced Materials