EP1388365A1 - Procédé et appareil pour mélanger de la laque colorée - Google Patents

Procédé et appareil pour mélanger de la laque colorée Download PDF

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Publication number
EP1388365A1
EP1388365A1 EP03017589A EP03017589A EP1388365A1 EP 1388365 A1 EP1388365 A1 EP 1388365A1 EP 03017589 A EP03017589 A EP 03017589A EP 03017589 A EP03017589 A EP 03017589A EP 1388365 A1 EP1388365 A1 EP 1388365A1
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EP
European Patent Office
Prior art keywords
color
paint
granular
color material
base paint
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Legal status (The legal status 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 status listed.)
Granted
Application number
EP03017589A
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German (de)
English (en)
Other versions
EP1388365B1 (fr
Inventor
Yasuyuki Suzuki
Masayuki Kagamiyama
Satoshi Ino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kansai Paint Co Ltd
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Kansai Paint Co Ltd
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Publication date
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Publication of EP1388365A1 publication Critical patent/EP1388365A1/fr
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Publication of EP1388365B1 publication Critical patent/EP1388365B1/fr
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/06—Implements for stirring or mixing paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/51—Methods thereof

Definitions

  • the present invention relates to a method for supplying a toned paint using a granular color material for paint or ink.
  • the present invention by using a granular color material, directly blending the granular color material with a base paint, and preparing a toned paint, it is possible to exclude conventional steps of preparing a liquid primary-color paint or primary-color paste and thereby greatly reduce the number of steps.
  • a method of the present invention for supplying a toned paint is able to correspond to a large-quantity supply of paint every oil can at a color center in a paint maker and a small-quantity supply of paint at a paint delivery agent, do-it-yourself center, or home center.
  • the present invention provides a method for supplying a toned paint by directly blending one or more types of weighed granular color materials with a base paint and agitating and mixing them.
  • a base paint is a liquid paint and it is allowed that the paint is the water-diluted type or organic-solvent-diluted type and the type and color of the base paint are not restricted.
  • a white paint or transparent paint can be normally preferably used and particularly, the white paint is preferable.
  • a base paint is basically directly used except that it is not toned and it can be used as a paint by adjusting its viscosity with water or solvent and contains a paint binder and pigment component. It is allowed that a base paint contains a paint additive such as a curing catalyst, antifoaming agent, flowage adjuster, painted-surface adjuster, film-forming assistant, plasticizer, freeze stabilizer, ultraviolet absorbent, or ultraviolet stabilizer according to necessity.
  • the base paint is prepared while it is stored as a product in a vessel such as a can.
  • the quantity of a base paint to be stored in a vessel is kept in a range of 70 to 99 wt% of a predetermined canned paint quantity from the viewpoint of the paint film performance of a finally obtained toned paint and of obtaining a toned paint of wide-range paints.
  • the above granular color material is not restricted as long as it is a conventionally-publicly-known non-dusting uniform pigment adjusting material, which can use one of color materials of white, red, blue, green, yellow, and black, whose most particles are spherical, whose average particle diameter ranges between 5 and 3,000 ⁇ m or preferably ranges between 20 and 2,000 ⁇ m, and whose specific gravity ranges between 0.2 and 0.6 g/ml.
  • a material having a hollow structure from the viewpoint of its high dispersibility into a base paint.
  • Particles of the above granular color material are spherically formed by adding 5 to 30 wt% of an additive such as a nonion-based interfacial active agent to, for example, a synthesized pigment and suspending the mixture and then, freeze-drying or spray-drying it.
  • an additive such as a nonion-based interfacial active agent to, for example, a synthesized pigment and suspending the mixture and then, freeze-drying or spray-drying it.
  • the granular color material is selected and the quantity of the material to be blended is automatically decided in accordance with a prepared toning database and supply of the granular color material is controlled.
  • a base paint and the optical data for each granular color material are previously obtained as basic data.
  • the basic data for each granular color material it is preferable to obtain optical data by using the enamel paint of each color obtained by dissolving a proper quantity of each of the granular color materials in a transparent base paint and thereby preparing a color card.
  • the optical data can be the absorption coefficient and dispersion coefficient of a primary-color enamel paint prepared by dissolving a base paint and each granular color material in a transparent base paint and mixing them.
  • the optical data can be obtained by using the optical density formula of Kubelka Munk and the color mixing theory of Duncan in accordance with a spectral reflectance obtained by using a primary-color enamel paint prepared by dissolving and mixing a base paint and each granular color material in and with a transparent base paint.
  • the standard toning database is formed.
  • the spectral reflectance of a desired sample is measured by using a color sample book for the existing colors and a spectrophotometer.
  • a toning-blending quantity is calculated by using a computer color-toning system and a base paint and a granular color material in accordance with the measured spectral reflectance to obtain the blending quantity of the granular color material to the weight of the base paint. It is also possible to correct a toning database corresponding to a lot difference between granular color materials and weight change or volume change of the color materials to humidity according to necessity.
  • toning by not only using toning according to weighing and blending of only granular color materials but also using weighing and blending according to one or more types of liquid primary color paints or primary pastes for weighing and blending of the granular color materials when necessary.
  • a weighing-toning system used for the present invention comprises control means for selecting a granular color material and deciding the blending quantity of the color material from a previously formed toning database in accordance with a color measurement result of a desired color or existing color and a base-paint weight, means for selecting and weighing a granular color material in accordance with a command sent from the control means, and means for supplying the weighed granular color material to a vessel in which a base paint is stored and uniformly agitating and mixing the base paint and granular color material in the vessel. It is allowed that these means are set in separate apparatuses or the same apparatus.
  • the control means for selecting a granular color material and deciding its blending weight can use a conventionally-publicly-known computer toning system.
  • the system is constituted by a computer and a spectrophotometer.
  • a spectrophotometer By measuring the color of a desired-color or existing-color color card by a spectrophotometer, it is possible to select a granular color material for a predetermined weight of a base paint and obtain the data for the blending quantity of the color material from a standard toning database built in the computer.
  • Means for weighing a granular color material in accordance with a command sent from the control means is not restricted as long as it can be accurately weighed in accordance with a weight standard or volume standard. Therefore, it is possible to use a conventionally-publicly-known weighing device.
  • an operator weighs the granular color material of the above decided quantity and blend it in a vessel in which a base paint is stored, it is allowed to weigh a granular color material discharged into a tray of the weighing device through a supply route from a vessel such as a hopper in which the granular color material is stored and dropped, measure the weight of the hopper in which the granular color material is stored and that of the supply route by subtracting a discharged weight, or perform volume measurement by using a flow meter in the middle of the supply route.
  • discharge and weighing of a necessary granular color material and supply of it to a vessel in which a base paint is stored are automatically controlled by a computer in accordance with the above weighing command.
  • FIG. 1 shows an apparatus for automatically weighing and supplying a granular color material.
  • symbol 1 denotes an electromagnetic-feeder driving section
  • 2 denotes a carrying trough
  • 3 denotes a hopper filled with each granular color material
  • 4 denotes a packet
  • 5 denotes a weighing unit
  • 6 denotes a discharge chute.
  • the carrying trough 2 is a carrying route for carrying a granular color material discharged from the hopper 3 and carrying of a granular color material is controlled by the electromagnetic-feeder driving section 1.
  • the weighing unit 5 is provided with the packet 4 for receiving a granular color material falling from the carrying trough 2, which measures the total weight of the packet 4 including the received granular color material.
  • the weighed granular color material is supplied from the discharge chute 6 to a vessel (not illustrated) in which a base paint is stored.
  • a granular color material is easily influenced by humidity or the like, it is preferable to protect a hopper in which the granular color material is stored and a supply route by covering the whole system with a glass plate or acrylic plate, providing a lid for the hopper, circulating dry air or inert gas, and always using a desiccant.
  • the electromagnetic-vibration feeder controls the supply rate of a granular color material in a carrying route by providing vibration to the carrying route.
  • agitating-mixing apparatus As means for uniformly agitating the base paint and granular color material in the vessel, it is possible to use a conventionally publicly-known agitating-mixing apparatus. In general, it is preferable to uniformly agitate and mix a base paint and a granular color material which are contents by, for example, a gyromixer. Thereby, it is possible to obtain a paint which can be shipped or used as a product. When a base paint has a high viscosity, it is also allowed to lower the apparent viscosity of the paint by heating it so that the paint is easily mixed.
  • Example 1 is an embodiment in which confirmation toning was not performed during operation and Examples 2 and 3 are embodiments in which confirmation toning was performed. Moreover, Example 4, ocher and red rusts respectively used a granular color material but black rust used a normal liquid-paste-type color material.
  • the following is a method for obtaining optical data in this example.
  • the spectral reflectance of a sample having a color for toning is obtained by applying the 2001-edition sample book A22-75D (beige color) of Japan Paint Industry Association to the sample and using a spectrophotometer.
  • L* is 76.53
  • a* is 1.76
  • b* is 15.20.
  • Blending ratio (A) White base paint 92.138% Black granular color material 1.430% Red-rust granular color material 0.441% Ocher granular color material 5.991%
  • Blending quantity (1) By performing proportional distribution in accordance with the designated quantities obtained from the blending ratio (A), the following blending quantity (1) is obtained because the quantity of the white base paint previously put in a can is 16.0 kg.
  • Blending quantity (1) White base paint (16.000 Kg) Black granular color material 0.249 Kg Red-rust granular color material 0.077 Kg Ocher granular color material 1.040 Kg (Total: 17.366 Kg)
  • a color card is prepared by mixing a granular color material with a paint in the can and waving the can with a gyromixer (made by Corob S.p.A.) to uniform the paint in the can, sampling the paint to confirm the color, and painting the card with the paint up to a dry film thickness of approx. 30 ⁇ m which is sufficient to cover the card, and then drying the card at ordinary temperature.
  • the spectral reflectance of the obtained color card is obtained by using a spectrophotometer. When showing the chromaticity of the color card by using the CIE Lab color-specification system under the condition of 10-degree visual field of the light source D65, L* is 77.20, a* is 1.80, and b* is 15.22. When showing the color difference between the color card and the sample in terms of ⁇ Eab*, it is 0.73 by assuming that the color-specification conditions are the same.
  • the spectral reflectance of a sample having a color for toning is obtained by also applying the 2001-edition sample book A25-75D of Japan Paint Industry Association same as Example 1 to the sample and using a spectrophotometer.
  • the blending ratio (A) in Example 1 is obtained.
  • Blending quantity (1) As a result of performing proportional distribution in accordance with the designated quantities obtained from the blending ratio (A), the following blending quantity (1) is obtained because the white base paint previously put in a can is 16 kg. Granular color materials in the can are mixed in accordance with the blending quantity (1) to wave the can so that they become uniform. Blending quantity (1) White base paint (16.000 Kg) Black granular color material 0.249 Kg Red rust granular color material 0.077 Kg Ocher granular color material 1.040 Kg (Total: 17.366 Kg)
  • a necessary minimum quantity of paint is sampled from the can to prepare a color card painted so as to be sufficiently covered with the paint.
  • the spectral reflectance of the obtained color card is obtained by a spectrophotometer.
  • the following blending ratio (B) is obtained.
  • an additional granular-color-material blending quantity (2) is obtained from the blending ratio (B).
  • the blending ratio (B) and additional granular-color-material blending quantity (2) denote a blending ratio and an additional blending quantity to the paint quantity (17.36 kg) in the can at this point of time.
  • Blending ratio Black granular color material 0.109% Red-rust granular color material 0.004% Ocher granular color material 0.249% Additional granular-color-material blending quantity (2) Black granular color material 0.019 Kg Red-rust granular color material 0.001 Kg Ocher granular color material 0.043 Kg (Total: 0.063 Kg)
  • Granular color materials shown by the blending quantity (2) are mixed with the paint in the can and the can is waved to uniform the paint in the can. Then, a color card is prepared by sampling the paint in order to confirm the chromaticity, painting the color card with the paint so as to have a dry film thickness of approx. 30 ⁇ m which is sufficient to cover the card, and drying the card at ordinary temperature.
  • the spectral reflectance of the obtained color card is obtained by a spectrophotometer. When showing the chromaticity by using the CIELAB color-specification system under the condition of 10-degree visual field of the light source D65, L* is 76.87, a* is 1.74, and b* is 15.17. When showing the color difference between the color card and the sample in terms of ⁇ Eab*, it is 0.34 by assuming the color-specification conditions are the same.
  • the spectral reflectance of a sample having a color for toning is obtained by also applying the 2001-edition sample book A25-75D of Japan Paint Industry Association used for Example 1 to the sample and using a spectrophotometer.
  • the toning blending quantity is calculated with a white base paint and a granular color material by using a computer toning system in accordance with the obtained spectral reflectance.
  • the blending ratio A in Example 1 is obtained.
  • the blending quantity (1) in Example 1 is obtained.
  • Blending quantity (3) White base paint (16.000 Kg) Black granular color material 0.222 Kg Red-rust granular color material 0.069 Kg Ocher granular color material 0.935 Kg (Total: 17.226 Kg)
  • the granular color materials shown in the blending quantity (3) are mixed with the paint in a can and the can is waved to uniform the paint in the can. Then, a color card is prepared by sampling the paint in order to confirm the chromaticity, painting the card with the paint so as to have a dry film thickness of approx. 30 ⁇ m which is sufficient to cover the card, and drying the card at ordinary temperature.
  • the spectral reflectance of the obtained color card is obtained by a spectrophotometer.
  • Blending ratio (C) Black granular color material 0.268% Red-rust granular color material 0.052% Ocher granular color material 0.249% Additional granular-color-material blending quantity (4) Black granular color material 0.046 Kg Red-rust granular color material 0.009 Kg Ocher granular color material 0.155 Kg (Total: 0.210 Kg)
  • the granular color material shown in the above blending quantity (4) is mixed with the paint in the can and the can is shaken to homogenize the paint in the can. Then, a color card is prepared in order to confirm the chromaticity, by sampling the paint, painting the card with the paint to a dry film thickness of approx. 30 ⁇ m which is sufficient to cover the card, and drying the card at ambient temperature. The spectral reflectance of the obtained color card is measured with a spectrophotometer.
  • L* is 76.88
  • a* is 1.77
  • b* 15.13.
  • the color difference from the sample is, when expressed in terms of ⁇ Eab* under an assumption that the color-specification conditions are the same, it is 0.36.
  • the spectral reflectance of a sample having a color for toning is obtained by applying the 2001-edition sample book A22-75D (beige color) of Japan Paint Industry Association to the sample and using a spectrophotometer.
  • L* is 76.53
  • a* is 1.76
  • b* is 15.20.
  • Blending ratio (A) White base paint 92.111% Black paste 1.517% Red-rust granular color material 0.436% Ocher granular color material 5.936%
  • Blending quantity (1) By performing proportional distribution in accordance with the designated quantities obtained from the blending ratio (A), the following blending quantity (1) is obtained because the quantity of the white base paint previously put in a can is 16.0 kg.
  • Blending quantity (1) White base paint (16.000 Kg) Black paste 0.264 Kg Red-rust granular color material 0.076 Kg Ocher granular color material 1.031 Kg (Total: 17.371 Kg)
  • a color card is prepared by mixing granular color materials with a paint in the can and waving the can to uniform the paint in the can, sampling the paint to confirm the color, and painting the card with the paint up to a dry film thickness of approx. 30 ⁇ m which is sufficient to cover the card, and then drying the card at ordinary temperature.
  • the spectral reflectance of the obtained color card is obtained by using a spectrophotometer.
  • L* is 76.79
  • a* is 1.74
  • b* is 15.16.
  • Basic stability tests are applied to paints relating to the present invention.
  • a water-based normally-dry acrylic emulsion paint (AQUA GLOSS WHITETM made by Kansai Paint Co., Ltd.) is used as a white base paint and a blue color material constituted by hollow-structure particles having an average particle diameter of 100 ⁇ m and superior in water solubility is used as a granular color material.
  • blue, black, ocher, and red-rust liquid primary-color pastes respectively containing 20% of a pigment component conventionally used are used as comparative examples.
  • tests are performed by adjusting blending quantities so that the quantity of the pigment component of the granular color material becomes equal to the quantity of each of the liquid primary-color pastes.
  • Sample ⁇ 1> A quantity of 1.25 g of the blue granular color material is added to 100 g of the white base paint and agitated by a homodisper at 1,500 rpm for 5 min until they are sufficiently mixed.
  • Sample ⁇ 2> A quantity of 0.25 g of the blue granular color material is added to 100 g of the white base paint and moreover, 1 g of the black liquid primary-color paste, 1 g of ocher, and 1 g of red rust are added to it and agitated by a homodisper at 1,500 rpm for 5 min until they are sufficiently mixed.
  • Sample ⁇ 3> A quantity of 5 g of the blue liquid primary-color paste to 100 g of the white base paint and agitated by a homodisper at 1,500 rpm for 5 min until they are sufficiently mixed.
  • Sample ⁇ 4> Quantities of 2 g of the blue liquid primary-color paste, 1 g of black, 1 g of ocher, and 1g of red rust are added to 100 g of the white base paint and agitated by a homodisper at 1,500 rpm for 5 min until they are sufficiently mixed.
  • Each test color card is prepared by painting the card with the above each sample until its dry film thickness reaches approx. 30 ⁇ m which is sufficient to cover the card and drying the card at ordinary temperature (normal portion).
  • a part of the color card is rubbed by a finger before dry-to-touch of the card to prepare the normally-dried portion (rubbed portion).
  • the portion (drip-pained portion) dried at ordinary temperature is prepared.
  • the color stability is evaluated by checking the color difference between a normal portion and a rubbed portion or drip-painted portion in accordance with visual observation and a color difference ⁇ E obtained through color measurement. Moreover, a paint state is visually evaluated.
EP03017589A 2002-08-08 2003-08-08 Procédé et appareil pour mélanger de la laque colorée Expired - Fee Related EP1388365B1 (fr)

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JP2002230676 2002-08-08
JP2002230676 2002-08-08

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Cited By (14)

* Cited by examiner, † Cited by third party
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WO2006036096A1 (fr) * 2004-09-27 2006-04-06 Texo Application Ab Procede et systeme de melange de couleurs automatise
DE102005014024A1 (de) * 2005-03-23 2006-09-28 Collomix - Rühr- und Mischgeräte GmbH Farbkonzentrat-Dispenser sowie Verfahren zur Dosierung von Farbkonzentraten in ein Aufnahmebehältnis
US7134573B2 (en) 2004-05-07 2006-11-14 Fluid Management, Inc. Apparatus for dispensing a plurality of powders and method of compounding substances
US7311223B2 (en) 2004-05-07 2007-12-25 Fluid Management, Inc. Apparatus for dispensing a plurality of powders and method of compounding substances
CN103728251A (zh) * 2012-10-10 2014-04-16 廊坊立邦涂料有限公司 一种水性色浆在乳胶漆中展色性的检测方法
US9011595B2 (en) 2007-12-10 2015-04-21 Basf Se Producing a solid pigment preparation in the form of granules by spray drying
CN105372181A (zh) * 2015-07-31 2016-03-02 鳄鱼制漆(上海)有限公司 水性色浆在乳胶漆中的相容性的检测方法
CN108382124A (zh) * 2018-03-09 2018-08-10 黄淮学院 一种美术颜料计量调色装置
CN108686572A (zh) * 2018-05-16 2018-10-23 田建华 一种中药分配装置
CN110124578A (zh) * 2019-05-20 2019-08-16 苏州市超邦涂料有限公司 一种环保型水性漆分散装置及分散工艺
CN110898755A (zh) * 2018-09-17 2020-03-24 郑州三华科技实业有限公司 汽车修补漆体积配色方法及汽车修补漆定体积注出装置
CN112757835A (zh) * 2021-02-01 2021-05-07 河南理工大学 一种艺术设计用美术颜料盒
CN112892389A (zh) * 2021-01-20 2021-06-04 富思特新材料科技发展股份有限公司 一种仿花岗岩多彩涂料的调色方法
CN113092388A (zh) * 2019-12-23 2021-07-09 万华化学集团股份有限公司 一种真石漆涂料颜色快速判断和控制或初期性能提升方法

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7134573B2 (en) 2004-05-07 2006-11-14 Fluid Management, Inc. Apparatus for dispensing a plurality of powders and method of compounding substances
US7311223B2 (en) 2004-05-07 2007-12-25 Fluid Management, Inc. Apparatus for dispensing a plurality of powders and method of compounding substances
US7815361B2 (en) * 2004-09-27 2010-10-19 Texo Application Ab Method and arrangement for automated color mixing
WO2006036096A1 (fr) * 2004-09-27 2006-04-06 Texo Application Ab Procede et systeme de melange de couleurs automatise
DE102005014024A1 (de) * 2005-03-23 2006-09-28 Collomix - Rühr- und Mischgeräte GmbH Farbkonzentrat-Dispenser sowie Verfahren zur Dosierung von Farbkonzentraten in ein Aufnahmebehältnis
US9011595B2 (en) 2007-12-10 2015-04-21 Basf Se Producing a solid pigment preparation in the form of granules by spray drying
CN103728251B (zh) * 2012-10-10 2016-06-22 廊坊立邦涂料有限公司 一种水性色浆在乳胶漆中展色性的检测方法
CN103728251A (zh) * 2012-10-10 2014-04-16 廊坊立邦涂料有限公司 一种水性色浆在乳胶漆中展色性的检测方法
CN105372181A (zh) * 2015-07-31 2016-03-02 鳄鱼制漆(上海)有限公司 水性色浆在乳胶漆中的相容性的检测方法
CN108382124A (zh) * 2018-03-09 2018-08-10 黄淮学院 一种美术颜料计量调色装置
CN108686572A (zh) * 2018-05-16 2018-10-23 田建华 一种中药分配装置
CN110898755A (zh) * 2018-09-17 2020-03-24 郑州三华科技实业有限公司 汽车修补漆体积配色方法及汽车修补漆定体积注出装置
CN110124578A (zh) * 2019-05-20 2019-08-16 苏州市超邦涂料有限公司 一种环保型水性漆分散装置及分散工艺
CN113092388A (zh) * 2019-12-23 2021-07-09 万华化学集团股份有限公司 一种真石漆涂料颜色快速判断和控制或初期性能提升方法
CN112892389A (zh) * 2021-01-20 2021-06-04 富思特新材料科技发展股份有限公司 一种仿花岗岩多彩涂料的调色方法
CN112757835A (zh) * 2021-02-01 2021-05-07 河南理工大学 一种艺术设计用美术颜料盒

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