WO2010067825A1 - Procédé de fabrication d'un verre en copeaux dont les angles ont été arrondis - Google Patents

Procédé de fabrication d'un verre en copeaux dont les angles ont été arrondis Download PDF

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Publication number
WO2010067825A1
WO2010067825A1 PCT/JP2009/070614 JP2009070614W WO2010067825A1 WO 2010067825 A1 WO2010067825 A1 WO 2010067825A1 JP 2009070614 W JP2009070614 W JP 2009070614W WO 2010067825 A1 WO2010067825 A1 WO 2010067825A1
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WO
WIPO (PCT)
Prior art keywords
glass
flaky glass
flaky
glass flakes
particle size
Prior art date
Application number
PCT/JP2009/070614
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English (en)
Japanese (ja)
Inventor
三上伸路
Original Assignee
日本板硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本板硝子株式会社 filed Critical 日本板硝子株式会社
Publication of WO2010067825A1 publication Critical patent/WO2010067825A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/005—Manufacture of flakes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0254—Platelets; Flakes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/29—Titanium; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • A61K2800/62—Coated
    • A61K2800/621—Coated by inorganic compounds

Definitions

  • the present invention relates to a method for producing flaky glass with a corner having an edge.
  • Flaky glass is used as a base material for cosmetics, fillers for paints and molding materials, and further, when the surface is coated with metal oxide or metal, excellent glitter can be obtained, so cosmetics, inks, paints, It is used as a base material for glitter materials to be blended with molding materials.
  • the flaky glass is usually produced by processing a glass material melted by a melting method into a flaky shape by a molding technique such as a balloon method, and then pulverizing the glass material as necessary to obtain a desired particle size.
  • the crushing portion is crushed by physical force, so that the edge portion of the crushing portion has a 90-degree angle (see FIGS. 1 and 2).
  • the flaky glass When flaky glass is used in the cosmetics field, the flaky glass is required to have slipperiness. If the slipperiness is poor, the touch of cosmetics using flaky glass will deteriorate.
  • the angle of 90 degrees as described above is considered to impair the slipperiness, and in order to improve the slipperiness of the flake glass, a method of coating the surface of the flake glass with a treatment agent such as silicone is proposed. (For example, refer to Patent Document 1).
  • an object of this invention is to provide the method of manufacturing the flaky glass excellent in slipperiness.
  • the present invention that has achieved the above object pulverizes the flaky glass using an apparatus capable of impacting the flaky glass at high speed, and simultaneously wears the edge of the flaky glass.
  • This is a method for producing flaky glass with a rounded edge.
  • a jet mill or a pulverizer is suitable as an apparatus capable of giving an impact to the flaky glass at a high speed.
  • the average particle size of the obtained flaky glass is preferably 3 to 100 ⁇ m, more preferably 3 to 50 ⁇ m.
  • the present invention it is possible to obtain flaky glass excellent in slipperiness. Moreover, this flaky glass is excellent also in a feeling of roughness.
  • the flaky glass is used as a base material for cosmetics, the cosmetics are excellent in touch. Moreover, since it is excellent in a rough feeling, if it is used by mixing it with a paint, it is considered that coating unevenness is improved.
  • the flaky glass is useful because it can be used as a bright material by coating the surface with metal oxides having different refractive indexes.
  • glass of the flaky glass used as a raw material in the present invention generally known glass may be used, and examples thereof include A glass, C glass, E glass, aluminosilicate glass, and borosilicate glass. It can also be applied to metal oxides and metals that exhibit the same properties as flaky glass.
  • a typical glass composition is shown in Table 1.
  • the applicant expresses in terms of% by weight as follows: 59 ⁇ SiO 2 ⁇ 65, 8 ⁇ Al 2 O 3 ⁇ 15, 47 ⁇ (SiO 2 —Al 2 O 3 ) ⁇ 57, 1 ⁇ MgO ⁇ 5, 20 ⁇ It contains CaO ⁇ 30, 0 ⁇ (Li 2 O + Na 2 O + K 2 O) ⁇ 2, 0 ⁇ TiO 2 ⁇ 5, and substantially contains B 2 O 3 , F 2 , ZnO, BaO, SrO, and ZrO 2.
  • An application has been filed for a glass composition that does not contain (WO 2006/068255).
  • the average particle size of the flaky glass used as a raw material is preferably 10 to 10,000 ⁇ m, more preferably 10 to 3000 ⁇ m.
  • the definition of an average particle diameter is as follows. In the particle size distribution of flaky particles, the particle size corresponding to 50% volume accumulation from the smaller particle size side is called D50, and this value is called the average particle size.
  • the particle size of the flaky particles is a light scattering equivalent diameter when the flaky particles are measured by a laser diffraction / scattering method. The equivalent light scattering diameter is obtained by measurement, for example, according to “Latest Powder Physical Properties (3rd Edition)” (issued June 30, 2004, publisher: Yutaka Kurata, publisher: NTG).
  • the particle size distribution is measured using a laser diffraction particle size distribution measuring device (eg, “Product Name Microtrac HRA” (manufactured by Nikkiso)), and the average particle size D50 may be read from the measurement result. .
  • the thickness of the flaky glass used as a raw material is preferably 0.1 to 50 ⁇ m, more preferably 0.1 to 10 ⁇ m.
  • the apparatus capable of impacting the flake glass at high speed can be any apparatus capable of impacting the flake glass at such a speed that the edge of the glass having a reduced particle size is worn.
  • a jet mill is a device that can apply impact by causing high-speed air currents to collide flake glass at high speeds.
  • An example is a powder collision type counter jet mill that collides material particles with high-pressure compressed air.
  • the pulverizer is a device capable of pulverizing flake glass with a hammer rotating at a high speed and simultaneously causing the flake glass to collide at high speed, such as an ACM pulverizer.
  • an ACM pulverizer When the pulverizer is used, the flake glass is crushed and the edge is worn by the impact of a hammer having a hardness higher than that of glass, so that there is an advantage that the efficiency is excellent.
  • the above apparatus is used to perform the treatment by impacting the flaky glass at a high speed. However, when the flaky glass is crushed and the particle size is reduced to some extent, the polishing of the edge portion starts to proceed, and simultaneously with the pulverization, the edge portion starts to progress. Abrasion will occur.
  • a pulverization operation may be performed until the average particle size of the obtained flaky glass is about 3 to 100 ⁇ m, preferably 3 to 50 ⁇ m. .
  • the flaky glass obtained by the conventional manufacturing method has a 90-degree angle at the edge of the crushing portion.
  • the edge part of the flaky glass obtained by the manufacturing method of the present invention described above is rounded and rounded as shown in the cross-sectional view of FIG.
  • the flaky glass obtained by the production method of the present invention is excellent in slipperiness.
  • the flaky glass obtained by the production method of the present invention is excellent in the feeling of roughness.
  • the flaky glass with a rounded edge obtained by the production method of the present invention can obtain sufficient slipperiness without surface treatment with conventional silicone or the like, but further improves slipperiness. Therefore, surface treatment with conventional silicone or the like may be performed.
  • the flaky glass with the edge portion removed can be coated with a metal oxide, a metal, a polymer, or the like depending on the application to be used.
  • a metal oxide such as titania (TiO 2 ), zirconia, or iron oxide
  • a known technique may be used. For example, methods described in Japanese Patent Publication Nos. 43-25644 and 47-34529 can be employed.
  • a method of suspending the flaky glass in a titanyl sulfate solution or a titanium tetrachloride solution, and depositing titania by heating the solution to form a coating on the flaky glass is known.
  • the present invention is not limited to these methods, and the bright material can be obtained by any method as long as a thin film can be provided on the flaky glass.
  • a metal such as gold or silver as a glittering material by coating the surface of the flaky glass with the corners of the edges removed.
  • the average particle size is D50 obtained by measuring the particle size distribution using a laser diffraction particle size distribution measuring device (product name: Microtrac HRA, manufactured by Nikkiso).
  • Example 1 A flaky glass having an average particle diameter of 200 ⁇ m and a thickness of 0.4 ⁇ m (the glass composition of Sample 1 in Table 2) was pulverized to an average particle diameter of 10 ⁇ m using a swirling powder impingement jet mill. Observation with an electron microscope revealed that flaked flakes were obtained. The coefficient of friction of the obtained powder was measured using KES-SE-STP (manufactured by Kato Tech). Specifically, a double-sided tape (manufactured by Nichiban, strong type) was applied on a slide glass, and the flakes were placed on the glass. The measurement was performed 5 times, and the average value was calculated. Table 3 shows the average friction coefficient obtained by this measurement and its fluctuation value.
  • Example 2 The flaky glass (glass composition of Sample 1 in Table 2) having an average particle diameter of 200 ⁇ m and a thickness of 0.4 ⁇ m was pulverized to an average particle diameter of 25 ⁇ m using the same jet mill apparatus as in Example 1. Observation with an electron microscope revealed that flaked flakes were obtained. The obtained flakes were evaluated in the same manner as in Example 1. Table 3 shows the average friction coefficient and its fluctuation value.
  • Example 3 A flaky glass having an average particle size of 200 ⁇ m and a thickness of 0.4 ⁇ m (the glass composition of Sample 1 in Table 2) was pulverized to an average particle size of 25 ⁇ m using an ACM pulverizer (with a built-in classifier). Observation with an electron microscope revealed that flaked flakes were obtained. The obtained flakes were evaluated in the same manner as in Example 1. Table 3 shows the average friction coefficient and its fluctuation value.
  • Comparative Example 1 10 g of flaky glass (glass composition of sample 1 in Table 2) having an average particle diameter of 200 ⁇ m and a thickness of 0.4 ⁇ m was immersed in 100 ml of ion-exchanged water and pulverized to an average particle diameter of 25 ⁇ m by ultrasonic waves (frequency 28 kHz). . When the obtained flakes were observed with an electron microscope, no flakes with rounded corners were observed. Table 3 shows the average friction coefficient obtained by the same measurement as in Example 1 and its fluctuation value.
  • Comparative Example 2 Flaked glass having an average particle diameter of 200 ⁇ m and a thickness of 0.4 ⁇ m (the glass composition of Sample 1 in Table 2) was pulverized to an average particle diameter of 10 ⁇ m with an agate mortar. When the obtained flakes were observed with an electron microscope, the flakes with rounded corners were hardly seen, and the edge portion was the same as the powder before the treatment. Table 3 shows the average friction coefficient obtained by the same measurement as in Example 1 and its fluctuation value.
  • Comparative Example 3 Flaked glass having an average particle diameter of 200 ⁇ m and a thickness of 0.4 ⁇ m (glass composition of Sample 1 in Table 2) was pulverized to a mean particle diameter of 25 ⁇ m by a lab jet (AFS-10CA, manufactured by Nippon Pneumatic Industry). When the obtained flakes were observed with an electron microscope, the flakes with rounded corners were hardly seen, and the edge portion was the same as the powder before the treatment. Table 3 shows the average friction coefficient obtained by the same measurement as in Example 1 and its fluctuation value.
  • the average friction coefficient indicates the slipperiness when rubbing the surface, and the greater the value, the worse the slipperiness.
  • the variation value of the average friction coefficient is an index indicating smoothness and roughness, and the larger the value, the worse the roughness.
  • Example 2 Reference Example Application to Luminous Material
  • a titanium tetrachloride solution to which chloroplatinic acid was added, and this suspension was heated and boiled for 1 hour.
  • a titania coating was provided on the flake surface.
  • the flakes were filtered, washed with water, dried, and then heat treated at 600 ° C. for 30 minutes.
  • the obtained titania film had a thickness of 40 to 60 nm.
  • the bright material thus obtained is added to an acrylic resin paint (acrylic auto clear super, made by Nippon Paint) so that the bright material is 10% by mass in the resin, and after mixing and stirring well, the mixed solution is concealed.
  • the rate measurement paper was coated with a 9 mil (9/1000 inch) gap applicator and dried. When the obtained coated plates were compared with the naked eye, no difference was observed, and no reduction in brightness due to flake corners was observed.
  • the flaky glass with rounded edges obtained by the production method of the present invention can be used for conventionally known applications such as cosmetic base materials, paints and fillers for molding materials. Furthermore, this flaky glass can be used as a glittering material blended in cosmetics, inks, paints, molding materials, etc. by coating the surface with metal oxides having different refractive indexes, and is particularly excellent in slipperiness. Therefore, it is most suitable for cosmetic use.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Dermatology (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un verre en copeaux aux excellentes propriétés de glissance. Le procédé de fabrication d'un verre en copeaux dont les angles des parties de bord ont été arrondis consiste, tout en pulvérisant le verre en copeaux en appliquant un choc à l'aide d'un dispositif capable d'appliquer un choc à grande vitesse sur ledit verre en copeaux, à réaliser une usure des parties de bord dudit verre en copeaux. De préférence, le dispositif capable d'appliquer un choc à grande vitesse à ce verre en copeaux est un broyeur à jet ou un pulvérisateur.
PCT/JP2009/070614 2008-12-10 2009-12-09 Procédé de fabrication d'un verre en copeaux dont les angles ont été arrondis WO2010067825A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008314331 2008-12-10
JP2008-314331 2008-12-10

Publications (1)

Publication Number Publication Date
WO2010067825A1 true WO2010067825A1 (fr) 2010-06-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018193684A1 (fr) * 2017-04-21 2018-10-25 日本板硝子株式会社 Procédé de production de flocons inorganiques et flocons inorganiques

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0971417A (ja) * 1995-09-07 1997-03-18 Nippon Sheet Glass Co Ltd フレーク状粉体及びそれを配合した化粧料
JPH09110452A (ja) * 1995-10-17 1997-04-28 Nippon Sheet Glass Co Ltd フレーク状ガラス、その製造方法、及びそれを配合した化粧料
JPH09255533A (ja) * 1996-03-22 1997-09-30 Nippon Sheet Glass Co Ltd フレーク状金属酸化物及びそれを配合した化粧料
JPH09286633A (ja) * 1996-04-22 1997-11-04 Nippon Sheet Glass Co Ltd 着色フレーク状ガラス、その製造方法及びそれを配合した化粧料
WO2007114442A1 (fr) * 2006-04-05 2007-10-11 Nippon Sheet Glass Company, Limited Particule friable et pigment eclaircissant, et preparation cosmetique, composition de revetement, composition de resine et composition d'encre, chacune contenant ces elements

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0971417A (ja) * 1995-09-07 1997-03-18 Nippon Sheet Glass Co Ltd フレーク状粉体及びそれを配合した化粧料
JPH09110452A (ja) * 1995-10-17 1997-04-28 Nippon Sheet Glass Co Ltd フレーク状ガラス、その製造方法、及びそれを配合した化粧料
JPH09255533A (ja) * 1996-03-22 1997-09-30 Nippon Sheet Glass Co Ltd フレーク状金属酸化物及びそれを配合した化粧料
JPH09286633A (ja) * 1996-04-22 1997-11-04 Nippon Sheet Glass Co Ltd 着色フレーク状ガラス、その製造方法及びそれを配合した化粧料
WO2007114442A1 (fr) * 2006-04-05 2007-10-11 Nippon Sheet Glass Company, Limited Particule friable et pigment eclaircissant, et preparation cosmetique, composition de revetement, composition de resine et composition d'encre, chacune contenant ces elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018193684A1 (fr) * 2017-04-21 2018-10-25 日本板硝子株式会社 Procédé de production de flocons inorganiques et flocons inorganiques
JPWO2018193684A1 (ja) * 2017-04-21 2019-11-07 日本板硝子株式会社 無機物フレークを製造する方法及び無機物フレーク

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