CN101394939B - Method of applying a pattern to a substrate - Google Patents

Method of applying a pattern to a substrate Download PDF

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Publication number
CN101394939B
CN101394939B CN2007800073195A CN200780007319A CN101394939B CN 101394939 B CN101394939 B CN 101394939B CN 2007800073195 A CN2007800073195 A CN 2007800073195A CN 200780007319 A CN200780007319 A CN 200780007319A CN 101394939 B CN101394939 B CN 101394939B
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CN
China
Prior art keywords
magnetic
paint
ground
pattern
magnetic field
Prior art date
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Expired - Fee Related
Application number
CN2007800073195A
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Chinese (zh)
Other versions
CN101394939A (en
Inventor
T·E·L·德吕德特
L·古贝
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.)
Akzo Nobel Coatings International BV
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Akzo Nobel Coatings International BV
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Publication date
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Priority claimed from PCT/EP2007/052611 external-priority patent/WO2007107549A1/en
Publication of CN101394939A publication Critical patent/CN101394939A/en
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/16—Letters, numerals, or other symbols adapted for permanent fixing to a support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
    • B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • H01F7/0215—Flexible forms, sheets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Method for applying a pattern onto a substrate, the method including the following steps: applying a layer of a paint comprising magnetically orientable pigments on the substrate; exposing the paint to a magnetic field, whereby the pigments are oriented along field lines of the magnetic field to produce a pattern in the paint layer; and solidifying the paint on the substrate; characterized in that the magnetic field is generated by a magnetic part embedded in the substrate.

Description

Pattern is applied to the method on the ground
But the present invention relates to the paint that a kind of usefulness comprises the pigment of magnetic aligning pattern is applied to the method on the ground.Also relate to this method figuratum product is provided.
But EP556449 discloses the method that paint that a kind of usefulness comprises the flake pigment of magnetic aligning is decorated ground, and this pigment is formed with the pattern of optical depth under the magnets magnetic fields influence that has with the corresponding profile of required pattern.Magnet must be fixed up to drying varniss.In the film curing process, magnet does not allow to move.
But FR2113650 discloses the method that a kind of flake pigment of usefulness magnetic aligning is decorated ground, and wherein the magnetic field for the required pattern sketch outline on the ground is the prime coat that comprises the permanent magnetism particle.Thin primer layer only can produce weak relatively magnetic field.Be difficult to obtain to have the pattern of optical depth with such low-intensity magnetic field.
WO02/090002 discloses a kind of similar approach, is wherein treating by magnetic printing magnetic field to be provided on the ground of japanning.The method is specially adapted to official document or bank note, but not too is applicable to the ground such as the plastic part of moulding.
The objective of the invention is to find a kind of quality of improving decorative pattern on the plastic bottom material, especially improve the method for sharp line outward appearance.Another purpose is to reduce to carry out the required time of this method.
The object of the invention is realized through a kind of method through the following step decoration plastic bottom material:
But the paint that one deck is comprised the pigment of magnetic aligning is applied on the ground;
Still the uncured paint of application newly is exposed in the magnetic field, and wherein pigment produces pattern along the magnetic line of force orientation in magnetic field and at enamelled coating; And
Solidify this paint on the ground;
It is characterized in that producing magnetic field by at least one magnetic part that embeds in the plastic bottom material to be coated (as being molded as plastic bottom material).
In first embodiment, embed magnetic part in the ground and be the permanent magnet that has with the corresponding profile of required pattern.
Can through this magnet is put into mould and for example through injection moulding, reaction injection molding(RIM), hollow or rotational molding, dip molding, sheet molding, blowing, extrude, pultrusion or any other suitable production method moulding around it plastics and this magnet is embedded ground.Distance is more little between magnet and surface of bottom material to be coated, and pattern in detail is clear more.Distance is more little between magnet that embeds and surface of bottom material, and it is clear more that details shows., for example can magnet be embedded in about 1-1.5mm under the surface of bottom material for but operating distance is combined with clear details.
In another embodiment, form the magnetic part in the ground by comprising the magnetic or a part of ground of magnetizable particles that are magnetized and produce the dispersion in required magnetic field.This has caused more homogeneous mechanical and physical characteristic.
For example can be through before moulding, mixing with raw material, this mixture of moulding and magnetic-particle is dispersed in the ground then.Then can be with particle so that the mode that they produce required magnetic field magnetize.
If desired, can solidify the magnetic part demagnetization of back at enamelled coating to plastic bottom material.For example this can accomplish through using similar magnetic force at paint curing or dry back.This method will not influence the outward appearance of pattern in the enamelled coating, but will reduce or eliminate the magnetic field in the finished product.
The magnetic-particle that is dispersed in the ground for example can be ferrite particle such as barium ferrite or strontium ferrite, rare earth alloys such as samarium-cobalt alloy, chromium dioxide, manganese bismuth alloy, neodymium or similar magnetic material.Typically, the granularity of magnetic-particle can be about 10 microns up to 20 nanometers or higher.
Randomly; Performance or cost benefit for example in order to obtain to select; The ground that can comprise the magnetisable or magnetic-particle of dispersion in two productions mutually or in more heterogeneous; As use the quadric injection mould technology, and wherein at first inject the first that comprises magnetisable or magnetic-particle, there is not the biphasic injection of magnetisable or magnetic-particle then.
After will comprising the ground moulding or moulding of magnetizable particles, with paint film in this particle of the corresponding pattern magnetization of pattern to be used.This can be through using the strong permanent magnetic body, for example based on Nd Fe B alloys such as Nd 12Fe 14Strong permanent magnetic body or the electromagnet of B carry out.This magnet can have and the corresponding profile of required pattern or can be along the path movement of describing required pattern.
Ground for example can be processed like polyvinyl chloride, polystyrene, acrylonitrile-butadiene-styrene copolymer (ABS), Merlon, polyamide, polyurethane, polyester, polytetrafluoroethylene (PTFE), esters of acrylic acid plastics such as PMMA, polyolefin such as high density or medium density polyethylene, polybutene or polypropylene etc. by any thermoplasticity or thermal curable plastics.If desired, can also use the suitable blend or the hybrid of these plastic type.Perhaps, but ground can be by any other type plastic or cast-molding material such as ceramic material or aluminium process.
Randomly, but before application has the effect paint of particle of magnetic aligning available priming paint coated substrate.Under the situation of polyamide or polypropylene substrate, this is specially suitable.
But the pigment of the magnetic aligning in the paint can be the pigment of being processed by magnetic or magnetisable material.This pigment can have any suitable shape, but thin slice and platelet demonstrate more clear pattern.For example suitable magnetic paint is based on iron, nickel, cobalt, copper, silver, gold, chromium, gadolinium, ytterbium, dysprosium, erbium etc., or its alloy, oxide or mixture.Ferrite lamina is specially suitable.Flake pigment can also be the multi-layer pigments with one deck magnetosphere at least and optional one or more layers nonmagnetic layer.Suitable embodiment is used Fe in this way 2O 3The mica that applies or use CoFe 2O 4The mica that applies.Other suitable magnetic paints for example can be the micas that applies with the polymeric blends that contains cobalt iron oxide and cobalt/cobalt oxide.In addition, can produce the mark that has flash of light hi-lite or profile with suitable reflection magnetic flake pigment.Perhaps, can coated interference pigment such as camouflage paint be used in the one or more layers coating so that this coated interference pigment produces color and/or the variable mark of color intensity when watching from different perspectives.
Suitable soft magnetism paint material for example can have less than about 2, and 000Oe is like the coercivity less than about 300Oe.According to unmagnetized metal such as steel, brass or aluminium, the coating that comprises this type soft magnetic material is non magnetic.
Thin slice can have for example 2-60 micron, like the particle mean size of 10-30 micron.The average particle thickness of thin slice for example can be the 1-8 micron.
Coating composition also comprises one or more adhesives and carrier.After the dried paint, adhesive is translucent.Suitable bonding for example is alkyd resins, polyurethane, polyester, latex adhesive such as ethene adhesive, acrylic ester adhesive etc.Adhesive can physical dryness, oxidation drying or for example can its chemosetting or they can be passed through actinic radiation such as UV radiation curing by means of hardener component or crosslinking agent.
Usually coating for use is liquid coating among the present invention, like solvent based coating.Appropriate organic solvent for example also has arsol such as toluene or xylenes except aliphatic solvents such as ketone, glycol such as ethyl diethylene glycol (DEG), butyl glycol, butyldiglycol or their acetic acid esters such as ethyl glycol acetate, butyl glycol acetate, butyldiglycol acetic acid esters and MPEG acetic acid esters.Commercially available solvent for example be Shell aliphatic hydrocarbon solvent on sale
Figure G2007800073195D00031
D40, Dow
Figure G2007800073195D00032
PMA on sale and ExxonMobil
Figure G2007800073195D00033
on sale perhaps; Can coating composition of the present invention be made into waterborne compositions, optional cosolvent or wetting agent such as the glycol of comprising.If desired, also can use inorganic enamel paint or coating such as waterglass base coating, collosol and gel or solvent-free system such as hot melt paint or powdery paints.
Though paint film must be translucent at least to a certain extent, paint can extraly comprise other magnetic or non-magnetic pigment such as titanium white, zinc white, leaded zinc, calcium base titanox (titanium calcium), carbon black, iron oxide yellow, cologne earth (brown oxides), iron brown (tan oxides), sienna and forge the colour of loess or umber, chrome oxide green, phthalocyanine green, phthalonitrile indigo plant, ultramarine blue, cadmium pigment or chromium pigment or its any mixture.Can also use fluorescent pigment, pearlescent pigment, double-colored pigment or other special effect pigments to obtain special special efficacy.Can add filler pigments such as clay, silica, talcum, wollastonite, wood powder etc.
Paint film can be used with any suitable film thickness.Suitably, the film thickness maximum can be about 50 microns, as 20 microns.If the use base coat/clear coat system, then priming coat for example can have the bed thickness of about 8-15 micron, and varnish coat for example can have the bed thickness of about 20-30 micron.If the use varnish coat then can be used it on priming coat wet or flash drying and solidified simultaneously.Perhaps, can be with its application on the priming coat that solidifies.Suitable varnish coat for example can be based on isocyanates-polyalcohol curing system.It also possibly be single coating system.
If desired, can on the ground of precoating, use should paint.Available priming paint or colored opaque or translucent enamelled coating precoating ground.If on the similar paint film of early using that has magnetizing pattern, use magnetisable enamelled coating, then can obtain special effect.Also will provide very special effect with the application on the ground of effect paint such as pearly-lustre, metal or the precoating of fluorescence paint.
In fact effect paint is applicable to the plastic products of decorating any kind; Like auto parts machinery, appliances or household electrical appliance, mobile phone, sled, the moped helmet, plastics or vial or tube packaging material, computer housing, walkman, book cover etc.
Can use this paint in any suitable manner.For example a kind of suitable applications method is a spray application.

Claims (4)

1. one kind is applied to the method on the plastic bottom material with pattern, and this method comprises the steps:
● but the paint that one deck is comprised the pigment of magnetic aligning is applied on the ground;
● this paint is exposed in the magnetic field, and wherein pigment produces pattern along the magnetic line of force in magnetic field orientation and at enamelled coating; And
● solidify this paint on the ground;
It is characterized in that by the granularity that being magnetized of distributing in the plastic bottom material to be coated produces required magnetic field being that 20nm to 10 micron embedding magnetic-particle produces magnetic field.
2. according to the method for claim 1, it is characterized in that enamelled coating solidifies the magnetic part demagnetization of back to ground.
3. according to the method for claim 1 or 2, it is characterized in that at first using the priming paint coated substrate.
4. but have the particle that comprises magnetic aligning and be the product that profile forms the coating of pattern, it is characterized in that said coating has covered to comprise to embed the ground of polymeric matrices that granularity is 20nm to 10 micron magnetic or magnetizable particles with it.
CN2007800073195A 2006-03-21 2007-03-20 Method of applying a pattern to a substrate Expired - Fee Related CN101394939B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP06111499 2006-03-21
EP06111499.7 2006-03-21
US79144106P 2006-04-13 2006-04-13
US60/791,441 2006-04-13
PCT/EP2007/052611 WO2007107549A1 (en) 2006-03-21 2007-03-20 Method of applying a pattern to a substrate

Publications (2)

Publication Number Publication Date
CN101394939A CN101394939A (en) 2009-03-25
CN101394939B true CN101394939B (en) 2012-07-18

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BR (1) BRPI0708857A2 (en)
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TW (1) TWI392546B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103648662A (en) * 2011-05-27 2014-03-19 共同印刷株式会社 Method for manufacturing design medium and design medium
CN102911537A (en) * 2012-11-12 2013-02-06 上海宜瓷龙新材料科技有限公司 Ceramic coating material with 3D effect and coating method of ceramic coating material
RU2538580C1 (en) * 2013-07-16 2015-01-10 Закрытое акционерное общество "ТехМаркинг" (ЗАО "ТехМаркинг") Polymer composition, method of performing direct part marking with polymer composition and direct mark
CN106244076B (en) * 2016-07-28 2019-03-01 北京化工大学 The fixing means of pattern in a kind of magnetic field
CN108327444A (en) * 2017-12-31 2018-07-27 重庆楠婧琳科技开发有限公司 The husky picture and its production technology made based on magnetic material
CN110860446A (en) * 2019-08-05 2020-03-06 中国第一汽车股份有限公司 Method for realizing local color change or special pattern of automobile paint spraying
CN111229568A (en) * 2020-01-17 2020-06-05 厦门雅泽工贸有限公司 Product gradient color spraying method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791864A (en) * 1970-11-07 1974-02-12 Magnetfab Bonn Gmbh Method of ornamenting articles by means of magnetically oriented particles

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7047883B2 (en) * 2002-07-15 2006-05-23 Jds Uniphase Corporation Method and apparatus for orienting magnetic flakes
US7285412B2 (en) * 2001-07-27 2007-10-23 Surface Logix Inc. Device for magnetic immobilization of cells
US7192628B2 (en) * 2003-05-01 2007-03-20 Sandvik Innovations Llc Magnetically interactive substrates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791864A (en) * 1970-11-07 1974-02-12 Magnetfab Bonn Gmbh Method of ornamenting articles by means of magnetically oriented particles

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RU2008141721A (en) 2010-04-27
CN101394939A (en) 2009-03-25
TWI392546B (en) 2013-04-11
RU2425722C2 (en) 2011-08-10
BRPI0708857A2 (en) 2011-06-14
TW200740531A (en) 2007-11-01

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