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A powder coating and foaming agent technology, applied in powder coatings, polyester coatings, polyamide coatings, etc., can solve problems such as difficulty in quality assurance, environmental pollution, and strong water absorption of foaming materials, and achieve good market application prospects , High mechanical strength, good decorative effect
Inactive Publication Date: 2008-06-25
XUZHOU ZENITH COATING
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Abstract
Description
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Problems solved by technology
[0003] However, many of the above-mentioned foaming materials have a long degradation time and are difficult to recycle, especially causing significant pollution to the environment. Some foaming materials have strong water absorption and difficult to guarantee the quality of use. Most of the products are flammable and toxic products, and the hidden dangers of application are obvious.
Method used
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Effect test
Embodiment 1
[0018] Raw materials (parts by weight):
[0019] Polyester resin 60
[0020] TGIC 5
[0021] GLP588 1
[0022] Titanium dioxide 10
[0023] Wollastonite 20
[0024] Ultrafine Barium Sulfate 10
[0025] Azodicarbonamide 5
[0026] Tetrabromobisphenol A 5
[0027] The above raw materials were prepared by melt extrusion mixing method to obtain foamed powder coating with a foaming ratio of 13.
Embodiment 2
[0029] Raw materials (parts by weight):
[0030] Polyester resin 30
[0031] Epoxy 30
[0032] Leveling agent GLP588 1
[0033] Titanium dioxide 5
[0034] Phthalocyanine blue 1
[0035] Precipitated barium sulfate 25
[0036] N,N-Dinitrosopentamethylenetetramine 8
[0037] Antimony trioxide + zinc borate hydrate 5
[0038] The above raw materials are prepared by melt extrusion mixing method to obtain foaming powder coating with a foaming ratio of 12.
Embodiment 3
[0040] Raw materials (parts by weight):
[0041] epoxy resin 60
[0042] Dicyandiamide 4
[0043] Leveling agent PV88 1
[0044] Titanium dioxide 15
[0045] Precipitated barium sulfate 20
[0046] Ammonium dihydrogen phosphate 10
[0047] Tris(2,3-dichloropropyl)phosphate 3
[0048] The above raw materials are prepared by melt extrusion mixing method to obtain foamable powder coating with a foaming ratio of 10.
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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 [0001] The invention relates to a foaming powder coating, which belongs to the technical field of powder coating for electrostatic coating. technical background [0002] At present, foaming technology is a technology that uses physical foaming or chemical cross-linking foaming to make plastic materials foam to achieve light weight, cushioning, sound absorption, shock absorption, heat preservation, filtration, packaging and other functions. Traditional foaming materials include polystyrene, polystyrene Vinyl chloride, polyurethane, rubber and plastic materials, the latest research and development such as polyisocyanurate, wood-plastic composite materials (plastics added with natural fibers such as wood powder or rice husk), PCB powder and recycled PE or PP, etc. are all very good. Foaming effect, most of the foaming process adopts kneading and extrusion technology. Foam products are not only widely used in people's livelihood products (such as shoe materials,...
Claims
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Application Information
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