CN104497847B - One can temperature induced color changing waterborne UV coating and preparation method thereof - Google Patents

One can temperature induced color changing waterborne UV coating and preparation method thereof Download PDF

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Publication number
CN104497847B
CN104497847B CN201410853924.6A CN201410853924A CN104497847B CN 104497847 B CN104497847 B CN 104497847B CN 201410853924 A CN201410853924 A CN 201410853924A CN 104497847 B CN104497847 B CN 104497847B
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coating
temperature
waterborne
agent
changing
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CN104497847A (en
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陈梦茹
李国鼐
许自成
刘磊
张卫宝
张忠良
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ZHEJIANG UVCHEM SPECIAL COATINGS CO Ltd
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ZHEJIANG UVCHEM SPECIAL COATINGS CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/26—Thermosensitive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses one can temperature induced color changing waterborne UV coating, by mass percentage, consist of: water-base resin 30～60%, reactive diluent 5～25%, light trigger 1～5%, temperature-sensing color-changing material 0.5～10%, moistening flatting agent 0.05～1%, thickening agent 0.05～2%, emulsifying agent 0.1～5%, defoamer 0.1～2%, coalescents 0～8% and deionized water 25～60%.The invention also discloses described can the preparation method of temperature induced color changing waterborne UV coating.The invention provides one can temperature induced color changing waterborne UV coating, it is not necessary to previously prepared microcapsule, and preparation technology is simple, convenient, more conducively large-scale industrial production.

Description

One can temperature induced color changing waterborne UV coating and preparation method thereof
Technical field
The present invention relates to the technical field of coating, particularly relating to one can temperature induced color changing waterborne UV coating and construction party thereof Method.
Background technology
Along with people's attention to environmental conservation, it is the most perfect that environmental protection is made laws, and performs increasingly stringent, promotes greatly The development and application of waterborne UV coating.Waterborne UV coating has not only acted on that UV coating is energy-efficient, the environmental protection and economy suitability is strong Advantage, also replaces to water, Ke Yiji by the oil-based solvent with penetrating odor in UV coating and amount of activated diluent Big degree ground reduces VOC emission, alleviates the pollution to air and human injury.
Temperature induced color changing coating is the new special coating that a kind of coating color changes along with surface temperature change.Necessarily Within the temperature range of, it may appear that a certain color changes, and thus can determine that the instruction temperature of this coating.Different according to temperature, can divide For low temperature variable color (10 DEG C), feel variable color (30 DEG C), high-temperature discoloration (80 DEG C).Be widely used in drinking water glass at present, temperature becomes Mobile phone shell, novel toy, temperature become the incrustation of all types of plastic goods such as Blowing drum, artware.
The Chinese patent literature of Publication No. CN103603229A disclose a kind of can the coating of temperature induced color changing, containing forming sediment Powder, microcapsule, rheology water-retaining agent, latex, resistance to hydrated agent, lubricant, dispersant, interfacial agent and can be in temperature induced color changing capsule One or more, the solid content of described coating is 20～30%, and described temperature induced color changing capsule accounts for the 0.997 of whole coating quality ～2.997 ‰.
And for example the Chinese patent literature of Publication No. CN104130633A discloses one to have reversibility photochromic Aqueous inner wall paint, uses reversible photoreception microcapsule aqueous liquid dispersion, 5040 dispersants, 2,2,4-trimethyl-1,3-pentanediol Mono isobutyrate, polyacrylic ester thickener, 2-amino-2-methyl-1-propanol, calcium carbonate, Kaolin, mica powder, octyl phenol Polyoxyethylene ether, titanium dioxide, 705 type EVA emulsions, AGITAN-208 type defoamer, Kazon, 2-hydroxyl-4-n-octyloxy hexichol The raw materials such as ketone, UV-1300 type ultraviolet absorber and water are compounding to be formed.
Existing can be in temperature induced color changing or photochromic coating, off-color material all joins coating with the form of microcapsule Other component in, this is owing to off-color material is the most sensitive to the effect of ambient impurities, with other component of building coating mix During conjunction, its discoloration meeting serious loss, therefore, is all to use micro-capsule package technology first to prepare microcapsule in prior art, Mix with other component again and prepare allochroic paint.
Aforesaid way well solves the problem that off-color material is easily affected by ambient impurities, but needs previously prepared micro-glue Capsule, adds production procedure, improves production cost.
Summary of the invention
The invention provides one can temperature induced color changing waterborne UV coating, it is not necessary to previously prepared microcapsule, preparation technology is simple, Convenient, more conducively large-scale industrial production.
One can temperature induced color changing waterborne UV coating, by mass percentage, consist of: water-base resin 30～60%, activity Diluent 5～25%, light trigger 1～5%, temperature-sensing color-changing material 0.5～10%, moistening flatting agent 0.05～1%, thickening agent 0.05～2%, emulsifying agent 0.1～5%, defoamer 0.1～2%, coalescents 0～8% and deionized water 25～60%.
As preferably, described water-base resin is selected from aqueous polyurethane acrylate emulsion, aqueous polyurethane acrylate At least one in dispersion, waterborne, polycarbonate acrylate, waterborne epoxy acrylate.Due to watersoluble polyurethane acrylic acid Ester has excellent stability and comprehensive mechanical property, more preferably aqueous polyurethane acrylate emulsion, aqueous polyurethane third Olefin(e) acid ester dispersion.
As preferably, described reactive diluent is lived selected from esters of acrylic acid reactive diluent, ethoxyquin esters of acrylic acid At least one in property diluent, the third propylene oxide esters of gallic acid reactive diluent.More preferably ethoxyquin esters of acrylic acid activity Diluent or the third propylene oxide esters of gallic acid reactive diluent.
As preferably, described light trigger is selected from water solublity cracking type free radical photo-initiation, water solublity hydrogen-abstraction certainly By at least one in base light trigger.
As preferably, described temperature-sensing color-changing material is selected from triaryl methane Phthalide type, indoline Phthalide type, fluorane type, fen At least one in thiazine type dye, more preferably triaryl methane Phthalide type or indoline Phthalide type.
As preferably, described moistening flatting agent is selected from silicone, polyacrylate, the moistening flatting agent of fluorinated In at least one；More preferably polyacrylate moistening flatting agent.
At least one in cellulose ether, polyacrylate, association thickener of described thickening agent；More preferably Association thickener.
Described emulsifying agent is in carboxylic acid type, sulfonate type, sulfate type, phosphate type, polyether-type emulsifying agent At least one.
Described defoamer is selected from poly organo siloxane and/or polyethers defoamer；More preferably polysiloxane Class defoamer.
Described coalescents is selected from ethanol, ethylene glycol, propylene glycol, butanediol, diethylene glycol ether, diethylene glycol fourth At least one in ether, DAA, propylene glycol monomethyl ether, propylene-glycol ethyl ether, propandiol butyl ether.
As preferably, by mass percentage, described can the consisting of of temperature induced color changing waterborne UV coating: water-base resin 40 ～60%, reactive diluent 5～15%, light trigger 1～5%, temperature-sensing color-changing material 1.0～2.0%, moistening flatting agent 0.05 ～1%, thickening agent 0.05～2%, emulsifying agent 1～5%, defoamer 0.1～2%, coalescents 0～5% and deionized water 25～40%.
Further preferably, described water-base resin is aqueous urethane acrylate dispersoid and watersoluble polyurethane acrylic acid Ester emulsion, the mass ratio of aqueous urethane acrylate dispersoid and aqueous polyurethane acrylate emulsion is 1:1～1.5.
Described temperature-sensing color-changing material be the trade mark be the three of 350C or 312C (Dongguan City thousand becomes Chemical Industry Science Co., Ltd) Virtue methane Phthalide type temperature-sensing color-changing material,
Or for the indoline Phthalide type heat discoloration material that the trade mark is TM01 (Dongguan City thousand becomes Chemical Industry Science Co., Ltd) Material；
Described reactive diluent is ethoxyquin tetramethylol methane tetraacrylate；
Described light trigger is 2-hydroxyl-4-(2-hydroxy ethoxy)-2-methyl phenyl ketone；
Described moistening flatting agent is Tego KL245 or Tego260；Thickening agent is BYK-425, BYK-428 or BYK- 420, emulsifying agent is Hypermer A70 or Hypermer B-246SF, and defoamer is BYK-093, BYK-1730 or BYK-011, Coalescents is propylene glycol monomethyl ether or DAA.
The invention discloses described can the preparation method of temperature induced color changing waterborne UV coating, comprise the following steps:
(1) by light trigger, coalescents and reactive diluent mix, under 500～1000r/min stir 5～ 10min, dissolves mix homogeneously；
(2) under agitation, add water-base resin, under 500～1000r/min, continue stirring 10～15min to mixed Close uniformly, add deionized water, defoamer, emulsifying agent, moistening flatting agent, thickening agent and temperature-sensing color-changing material, 1000～ Disperse 0.5～1h under 3000r/min, filter, discharging, obtain described can temperature induced color changing waterborne UV coating.
Compared with prior art, present invention have the advantage that
The present invention can not only have water paint and UV coating environmental protection, energy saving economy by temperature induced color changing waterborne UV coating Etc. advantage, and its paint film color can vary with temperature and change, and ornamental strong, paint stability is good simultaneously.ABS, PC, PS, Having adhesive force, hardness and the good patience of excellence on all kinds of base materials such as PETG and water transfer, coating color is with temperature simultaneously Degree change is sensitive, good reversibility；
The present invention uses specific preparation and construction technology simple, meets wanting of current development environmental protection sustainable development Ask, have broad application prospects and be worth.
Detailed description of the invention
Embodiment 1～8
According to table 1 below, the weight proportion shown in 2, prepare respectively can temperature induced color changing waterborne UV coating, concrete preparation flow As follows:
(1) light trigger, coalescents, reactive diluent are added sequentially in stirred tank, 500～1000r/min Stir 5～10min under rotating speed, dissolve mix homogeneously.
(2) under agitation, in stirred tank, add aqueous UV resin, under 500～1000r/min rotating speeds, stir 10 ～15min.To be mixed uniformly after, be sequentially added into deionized water, defoamer, emulsifying agent, moistening flatting agent, thickening agent and temperature-sensitive Off-color material, dispersion 0.5～1h under 1000～3000r/min rotating speeds, filtration, discharging, obtain temperature induced color changing waterborne UV coating.
Table 1
Table 2
The construction technology of above-mentioned coating is as follows:
Plastic rubber substrate sprays after above-mentioned coating, 60 DEG C of bakings 4～10min, UV energy be 400～ 1200mJ/cm2Lower solidification, coating prepared by each embodiment the performance test results on plastic cement ABS and PC base material is respectively such as table 3 Shown in table 4:
Table 3
Table 4

Claims (3)

1. one kind can temperature induced color changing waterborne UV coating, it is characterised in that by mass percentage, consist of: water-base resin 30～ 60%, reactive diluent 5～25%, light trigger 1～5%, temperature-sensing color-changing material 0.5～10%, moistening flatting agent 0.05～ 1%, thickening agent 0.05～2%, emulsifying agent 0.1～5%, defoamer 0.1～2%, coalescents 0～8% and deionized water 25～60%；
Described water-base resin is aqueous urethane acrylate dispersoid and aqueous polyurethane acrylate emulsion, the poly-ammonia of aqueous The mass ratio of ester acrylate dispersoid and aqueous polyurethane acrylate emulsion is 1:1～1.5；
Described temperature-sensing color-changing material be the trade mark be the triaryl methane Phthalide type temperature-sensing color-changing material of 350C or 312C, or be board It number it is the indoline Phthalide type temperature-sensing color-changing material of TM01；
Described reactive diluent is ethoxyquin tetramethylol methane tetraacrylate；
Described light trigger is 2-hydroxyl-4-(2-hydroxy ethoxy)-2-methyl phenyl ketone；
Described moistening flatting agent is Tego KL245 or Tego260, and thickening agent is BYK-425, BYK-428 or BYK-420, breast Agent is Hypermer A70 or Hypermer B-246SF, and defoamer is BYK-093, BYK-1730 or BYK-011, and film forming helps Agent is propylene glycol monomethyl ether or DAA.
The most according to claim 1 can temperature induced color changing waterborne UV coating, it is characterised in that by mass percentage, described Can the consisting of of temperature induced color changing waterborne UV coating: water-base resin 40～60%, reactive diluent 5～15%, light trigger 1～ 5%, temperature-sensing color-changing material 1.0～2.0%, moistening flatting agent 0.05～1%, thickening agent 0.05～2%, emulsifying agent 1～5%, Defoamer 0.1～2%, coalescents 0～5% and deionized water 25～40%.
3. one kind according to claim 1 can the preparation method of temperature induced color changing waterborne UV coating, it is characterised in that include with Lower step:
(1) light trigger, coalescents and reactive diluent being mixed, under 500～1000r/min, stirring 5～10min, molten Solve mix homogeneously；
(2) under agitation, add water-base resin, under 500～1000r/min, continue stirring 10～15min to mixing all Even, add deionized water, defoamer, emulsifying agent, moistening flatting agent, thickening agent and temperature-sensing color-changing material, 1000～3000r/ Disperse 0.5～1h under min, filter, discharging, obtain described can temperature induced color changing waterborne UV coating.
CN201410853924.6A 2014-12-31 2014-12-31 One can temperature induced color changing waterborne UV coating and preparation method thereof Active CN104497847B (en)

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