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A composite coating and formula technology, applied in polyester coating, epoxy resin coating, coating, etc., can solve the problems of easy generation of fine bubbles, poor coverage effect, inability to meet electrical spraying and surface protection, etc.
Inactive Publication Date: 2016-06-08
袁传江
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Abstract
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Problems solved by technology
[0003] At present, thermosetting powder coatings use thermosetting resins as film-forming substances. After adding a curing agent for cross-linking reaction, they can form a hard coating that is insoluble and infusible. No matter how high the temperature is, the coating will not be like thermoplastic coating As the layer is softened, it can only be decomposed. Since the resin used in thermosetting powder coatings is a prepolymer with a low degree of polymerization and a low molecular weight, the coating has better leveling properties and better decorative properties.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Embodiment 1
[0014] A kind of formula of composite paint, described composite powder formula is made of polyester 300g, epoxy 250g, auxiliary agent 2g, antioxidant 0.5g, anti-gas agent 2g, ultramarine blue 0.7g, ultramarine violet 0.8g, purple red 0.003g, 120g of barium sulfate, 100g of titanium dioxide, 3g of high-gloss wax, 0.1g of fragrance, 1.0g of charging agent, and 0.003g of carbon black.
[0015] The auxiliary agent is chlorinated polyethylene, polyacrylate, ethylene-vinyl acetate copolymer, and the antioxidant is N,N'-di-sec-butyl-p-phenylenediamine.
[0016] The charging agent is a compound of fatty acid and quaternary ammonium salt, the powder melting point of the fatty acid is 67°C~70°C, the heat-resistant quaternary ammonium salt charging agent is an ionic surfactant, and The compound weight ratio is 1:1.
Embodiment 2
[0018] A kind of formula of composite paint, described composite powder formula is made of polyester 250g, epoxy 300g, auxiliary agent 4g, antioxidant 1g, anti-gas agent 3g, ultramarine blue 0.9g, ultramarine violet 1.3g, purple red 0.004g, sulfuric acid 140g of barium, 120g of titanium dioxide, 4g of high-gloss wax, 0.8g of fragrance, 1.2g of charging agent, and 0.004g of carbon black.
Embodiment 3
[0020] A kind of formula of composite paint, described composite powder formula is made of polyester 400g, epoxy 400g, auxiliary agent 6g, antioxidant 2g, anti-gas agent 5g, ultramarine blue 1.1g, ultramarine violet 1.6g, purplish red 0.006g, sulfuric acid 157g of barium, 130g of titanium dioxide, 5g of high-gloss wax, 1g of fragrance, 1.5g of charging agent, and 0.005g of carbon black.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract
The invention discloses a formula of a composite coating material. The formula of the composite coating material contains the ingredients by weight: 300g to 400g of polyester, 250g to 400g of epoxy, 2g to 6g of adjuvants, 0.5g to 2g of antioxidant, 2g to 5g of fuel gas resisting agent, 0.7g of 1.1g of ultramarine, 0.8g to 1.6g of ultramarine violet, 0.003g to 0.006g of violet red, 120g to 157g of barium sulfate, 100g to 130g of titanium white, 3g to 5g of high-gloss wax, 0.1g to 1g of incense, 1.0g to 1.5g of power-increasing agent and 0.003g to 0.005g of carbon black. A coating film surface with excellent properties, such as coating film permanence can be obtained through baking and has rub resistance, impact strength, adherence, toughness, corrosion resistance, resistance to chemicals, and the like; the coating material further has high weather resistance and pollution resistance; and a coating film with the thickness of 50 to 300 microns can be prepared from a powdery coating material through one-time spray-coating, the leveling property is good, and the problem of solvent coating materials that phenomena of dripping or stagnating and the like occur during thick coating is solved.
Description
technical field [0001] The invention relates to a formula of powder coating. Background technique [0002] Powder coating is a new type of solvent-free 100% solid powder coating. It has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. [0003] At present, thermosetting powder coatings use thermosetting resin as a film-forming substance. After adding a curing agent for cross-linking reaction, it can form an insoluble and infusible hard coating after heating. No matter how high the temperature is, the coating will not be like thermoplastic coating As the layer is softened, it can only decompose. Since the resin used in thermosetting powder coatings is a prepolymer with a low degree of polymerization and a low molecular weight, the coating has better leveling and decorative properties. After the low molecular weight prepolymer is cured,...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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