CN101205425B - Foaming powder coating - Google Patents
Foaming powder coating Download PDFInfo
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- CN101205425B CN101205425B CN2006101616158A CN200610161615A CN101205425B CN 101205425 B CN101205425 B CN 101205425B CN 2006101616158 A CN2006101616158 A CN 2006101616158A CN 200610161615 A CN200610161615 A CN 200610161615A CN 101205425 B CN101205425 B CN 101205425B
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Abstract
Then invention discloses a foaming powder coating, belonging to the electrostatic coating powder coatings technical field. The coating is prepared by melting extrusion hybrid method from the following materials in weight portions: resin of 40 to 60 portions, curing agent of 0 to 24 portions, pigment and filler of 40 to 60 portions, foaming agent of 1 to 15 portions, flame retardant of 1 to 5 portions, and flow agent of 1 to 5 portions. The invention has the advantages of non-toxicity and harmlessness, no solvent contained, green and environmental protection; the coating can be directly coated on metal plates and easily operated; the foaming expansion layer has good decorative effect and high mechanic strength; the foaming powder coating of the invention can be used to produce building material products with heat insulation, heat preservation, fire proof, and sound proof effects; the building material products are economic, environmental protective, poisonless, harmless and flame retardant.
Description
Technical field
The present invention relates to a kind of foaming powder coating, belong to electrostatic coating powder coating technical field.
Technical background
Foaming technique is to utilize physical blowing or chemically crosslinked foaming to make the plastic material foaming reach the technology of functions such as light weight, buffering, sound-absorbing, shock-absorbing, insulation, filtration, packing at present, the tradition foam material has polystyrene, polyvinyl chloride, urethane, rubber-plastics material, up-to-date research and development as poly-chlorinated isocyanurates, mould the multiple material of wood (plastics add natural fibers such as wood powder or rice husk), PCB powder and reclaim PE or PP etc. good foaming effect is all arranged, most of foaming process adopts and mixes and the extrusion technology.Foamed products not only is widely used in (as footwear material, aquatic sports equipment, cushion plate etc.) on the people's livelihood articles for use, at building materials (air-conditioning insulating pipe, floor, baseboard etc.), automobile and other industrial (as packing, insulation, shockproof, filtration etc.) very big demand is arranged all also.
Degradation time is long, the recovery difficulty but above-mentioned many foaming substances exist, and especially environment is caused remarkable pollution, and indivedual foaming substance water-absorbents are strong, functional quality is difficult to guarantee that most of products also belong to inflammable poisonous product, and application hidden danger is obvious.
Powder coating replaces liquid paint gradually as environmental protection, energy-conservation, economic, product efficiently, becomes the fastest coating new technology of tempo and scale.In present art of powder coatings, all be common indoor decorative powder coating or outdoor weatherability powder coating basically.Functional powder coating also relates to fields such as the heavy anti-corrosive type of epoxy, conductivity type, insulated type, the type of anti-combustion the, scumbling type.
Raising along with people's living standard, the development of urban construction, the continuous expansion of industrial and mining enterprises' scale, that many metal sheet surfaces need is heat insulation, insulation, fire prevention, the sandwich color steel of rock wool that uses as the roof of steel-structure factory building watt, the body of wall of steel-structure factory building uses the sandwich panel of polyurethane foam layer, caliduct etc., and these materials all have in various degree stimulation and influence to the person.We are in the process of research swelling property fire-proof powdery paint, and finding will have good prospects for application as powder coating is made the foaminess flame retardant products.As with stand-by sheet iron external coating one deck heat insulating coatings of the present invention, just can omit insulation sandwich of layers such as rock wool etc., installation procedure is saved in both economic environmental protection again.Be used to carry heating installation metallic conduit external coating one deck heat insulating coatings of the present invention of thermal barrier, can omit the insulation operation.
Summary of the invention
The objective of the invention is to prepare a kind of foaming powder coating, have good foaminess and alveolar layer quality, can be coated on all kinds of metal building materials, play effects such as heat insulation, insulation, fire prevention.
The technical scheme that the present invention solves the employing problem is: a kind of foaminess powder coating, form by resin binder, solidifying agent, color stuffing, whipping agent, fire retardant, other auxiliary agent.The weight part of each raw material: 40～60 parts of resins, 0～24 part in solidifying agent, 40～60 parts of color stuffings, 1～15 part of whipping agent, 1～5 part of fire retardant, 1～5 part of flow agent.
Above-mentioned resin binder can be thermosetting resin such as Resins, epoxy, vibrin, urethane resin, acrylic resin etc., or thermoplastic resin such as polyvinyl resin, polyvinyl chloride (PVC) RESINS, acrylic resin, polyamide resin etc., or above-mentioned resin two or more by the mixture of making a gesture of measuring arbitrarily;
Above-mentioned solidifying agent is the complete curing agent of thermosetting resin such as Dyhard RU 100, replace Dyhard RU 100, methylimidazole, TGIC, T105.
Above-mentioned whipping agent decomposes in 120～200 ℃ and discharges gas, as Cellmic C 121, N, and N-dinitroso five methyne tetramines, primary ammonium phosphate, Secondary ammonium phosphate, ammonium phosphate, ammonium polyphosphate, urea.
Above-mentioned fire retardant is a tetrabromo-bisphenol, antimonous oxide, water and zinc borate, tricresyl phosphate (2,3-dichloro third) ester.
Described flow agent is the flow agent that matches with employed resin, as DLP505, GLP504, GLP588, PV88.Producer is the general flow agent that matches with resin that is equipped with when rosin products dispatches from the factory.
The preparation method of above-mentioned foaminess powder coating adopts to melt extrude hybrid system, be about to resin, solidifying agent, color stuffing, whipping agent, fire retardant and other auxiliary agent by after the proportioning weighing, carry out pre-dispersed earlier in the adding high speed batch mixing still, to disperse thing to be added in the screw extrusion press then to extrude, compressing tablet, fragmentation, material abrasive dust with fragmentation carries out size classification again, is finished product after the packing.
In the fusion levelling stage of application, whipping agent begins to decompose and discharges gas with the foaming powder coating of thermosetting resin base-material preparation, and gas is dispersed in the fused powder coating, is fine and closely woven spumescence, and coating evenly expands.But with the foaming powder coating of thermoplastic resin base-material preparation at foaming and intumescing all of whole fusion levelling stage.The effect that color stuffing plays decoration, gains in strength, reduces cost.
The invention has the beneficial effects as follows that this foamed coating compared with prior art, and is nontoxic, do not contain any solvent, environmental protection; Directly be coated with and be contained on the metal sheet easy construction; Foaming and intumescing layer good decorative property, the physical strength height; Use this foaming powder coating to produce to have the building material product of functions such as heat insulation, insulation, fire prevention, sound insulation, both economic environmental protection, nontoxic again fire-retardant, the present invention has better market prospect.
Embodiment
Further specify the solution of the present invention and effect below in conjunction with embodiment.
Embodiment 1
Raw material (weight part):
Vibrin 60
TGIC 5
GLP588 1
Titanium dioxide 10
Wollastonite 20
Ultra-fine barium sulfate 10
Cellmic C 121 5
Tetrabromo-bisphenol 5
Above-mentioned raw materials by melt extruding the hybrid system preparation, is obtained foaming powder coating, expansion ratio 13.
Embodiment 2
Raw material (weight part):
Vibrin 30
Resins, epoxy 30
Flow agent GLP588 1
Titanium dioxide 5
Pthalocyanine blue 1
Process white 25
N, N-dinitroso five methyne tetramines 8
Antimonous oxide+hydration zinc borate 5
Above-mentioned raw materials by melt extruding the hybrid system preparation, can be got foaming powder coating, expansion ratio 12.
Embodiment 3
Raw material (weight part):
Resins, epoxy 60
Dyhard RU 100 4
Flow agent PV88 1
Titanium dioxide 15
Process white 20
Primary ammonium phosphate 10
Tricresyl phosphate (2,3-dichloro third) ester 3
Above-mentioned raw materials by melt extruding the hybrid system preparation, can be got foaming powder coating, expansion ratio 10.
Claims (1)
1. foaming powder coating is characterized in that it is adopted by the raw material of following weight part and melt extrudes hybrid system and make: 40～60 parts of resins, 0～24 part in solidifying agent, 40～60 parts of color stuffings, 1～15 part of whipping agent, 1～5 part of fire retardant, 1～5 part of flow agent;
Described resin is Resins, epoxy, vibrin, urethane resin, the acrylic resin in the thermosetting resin; Or the polyvinyl resin in the thermoplastic resin, polyvinyl chloride (PVC) RESINS, acrylic resin, polyamide resin;
Described whipping agent be for can decompose Cellmic C 121, the N that discharges gas in 120～200 ℃, N-dinitroso five methyne tetramines, primary ammonium phosphate, Secondary ammonium phosphate, ammonium phosphate, ammonium polyphosphate or urea.
Described fire retardant is a tetrabromo-bisphenol, antimonous oxide, hydration zinc borate or tricresyl phosphate (2,3-dichloro third) ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101616158A CN101205425B (en) | 2006-12-22 | 2006-12-22 | Foaming powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101616158A CN101205425B (en) | 2006-12-22 | 2006-12-22 | Foaming powder coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101205425A CN101205425A (en) | 2008-06-25 |
| CN101205425B true CN101205425B (en) | 2011-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101616158A Expired - Fee Related CN101205425B (en) | 2006-12-22 | 2006-12-22 | Foaming powder coating |
Country Status (1)
| Country | Link |
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| CN (1) | CN101205425B (en) |
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| CN114350226A (en) * | 2022-01-06 | 2022-04-15 | 泉州加士涂环保科技有限公司 | Formaldehyde-proof pearl powder coating |
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| CN1380370A (en) * | 2002-03-25 | 2002-11-20 | 葛明槽 | Fire-resistant powder coating material and its production process |
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| CN101205425A (en) | 2008-06-25 |
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Granted publication date: 20111012 Termination date: 20161222 |