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Outdoor scratch-resistant powder coating

A powder coating, scratch-resistant technology, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of coating film surface scratches, coating damage, and reducing the service life of substrates, etc., to achieve good leveling , Excellent scratch resistance, smooth coating effect

Inactive Publication Date: 2019-01-08
六安科瑞达新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The appearance of outdoor items such as sports equipment, outdoor building curtain walls, outdoor place guardrails, outdoor furniture, etc. are exposed to the outdoor environment for a long time, and are easily affected by the outside world and cause scratches, which in turn cause scratches on the surface of the coating film and affect the appearance of the appearance parts. At the same time, it causes the damage of the coating, affects the protection of the coating to the substrate, and reduces the service life of the substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Put 100g of polyester resin and 80g of silicone powder in parts by weight into a mixing tank and pre-mix evenly, then melt and extrude the pre-mixed raw materials through a twin-screw extruder, and press them into tablets. The output zone I is stable at 110°C, and the temperature in zone II is 130°C. Collect flakes and crush them to obtain silicone masterbatch products;

[0019] (2) An outdoor scratch-resistant powder coating made of the following components by mass percentage:

[0020] Polyester resin 56%

[0021] TGIC curing agent 4.2%

[0022] Smooth Degasser 1%

[0023] Leveling agent 1%

[0024] Silicone masterbatch 0.5%

[0025] Filler 25.3%

[0026] Pigment 12%

[0027] Among them, the polyester resin is SJ3B from Anhui Shenjian New Material Co., Ltd.; the leveling agent is PV88 from German Dexinli Chemical; the filler is precipitated barium sulfate from Shaanxi Fuhua Chemical Co., Ltd.; the pigment is ZR940+ from Jiangsu Zhentai Chemical Co., Ltd.;

...

Embodiment 2

[0030] (1) Put 100g of polyester resin and 120g of silicone powder in parts by weight into a mixing tank and pre-mix evenly, then melt and extrude the pre-mixed raw materials through a twin-screw extruder, and press them into tablets. The output zone I is stable at 110°C, and the temperature in zone II is 130°C. Collect flakes and crush them to obtain silicone masterbatch products;

[0031] (2) An outdoor scratch-resistant powder coating made of the following components by mass percentage:

[0032] Polyester resin 58%

[0033] TGIC curing agent 4.3%

[0034] Smooth Degasser 1.7%

[0035] Leveling agent 1.7%

[0036] Silicone masterbatch 1.2%

[0037] Filler 20.5%

[0038] Pigment 12.6%

[0039] Among them, the polyester resin is SJ3B from Anhui Shenjian New Material Co., Ltd.; the leveling agent is PV88 from German Dexinli Chemical; the filler is precipitated barium sulfate from Shaanxi Fuhua Chemical Co., Ltd.; the pigment is ZR940+ from Jiangsu Zhentai Chemical Co., Lt...

Embodiment 3

[0042] (1) Put 100g of polyester resin and 150g of silicone powder in parts by weight into a mixing tank and pre-mix evenly, then melt and extrude the pre-mixed raw materials through a twin-screw extruder, and press them into tablets. The output zone I is stable at 110°C, and the temperature in zone II is 130°C. Collect flakes and crush them to obtain silicone masterbatch products;

[0043] (2) An outdoor scratch-resistant powder coating made of the following components by mass percentage:

[0044] Polyester resin 60%

[0045] TGIC curing agent 4.5%

[0046] Smooth Degasser 1.5%

[0047] Leveling agent 1.5%

[0048] Silicone masterbatch 5%

[0049] Filler 17.9%

[0050] Pigment 9.6

[0051] Among them, the polyester resin is SJ3B from Anhui Shenjian New Material Co., Ltd.; the leveling agent is PV88 from German Dexinli Chemical; the filler is precipitated barium sulfate from Shaanxi Fuhua Chemical Co., Ltd.; the pigment is ZR940+ from Jiangsu Zhentai Chemical Co., Ltd.; ...

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PUM

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Abstract

The invention discloses an outdoor scratch-resistant powder coating. The coating is prepared from the following components in percentage by mass: 56%-60% of polyester resin, 4.2%-4.5% of a TGIC (triglycidyl isocyanurate) curing agent, 1%-1.5% of a smoothing deaerator, 1%-1.5% of a leveling agent, 0.5%-5% of silicone masterbatch and 27.5%-37.3% of pigment and filler. After the powder coating is cured, a coating film is flat and smooth without pinholes, has good leveling property, adhesive force and impact resistance, and surface hardness of the coating film is high; the prepared powder coatingcan be used in outdoor fields such as outdoor aluminum profile powder, outdoor furniture powder and the like, and has excellent scratch resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an outdoor scratch-resistant powder coating. Background technique [0002] The appearance of outdoor items such as sports equipment, outdoor building curtain walls, outdoor place guardrails, outdoor furniture, etc. are exposed to the outdoor environment for a long time, and are easily affected by the outside world and cause scratches, which in turn cause scratches on the surface of the coating film and affect the appearance of the appearance parts. At the same time, it causes the damage of the coating, which affects the protection of the coating to the substrate and reduces the service life of the substrate. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides an outdoor scratch-resistant powder coating. [0004] The purpose of the present invention can be achieved through the following technical solutions: [0005...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D7/65
CPCC08L2205/035C09D5/033C09D167/00C08L83/04C08L91/06C08L33/04
Inventor 鲍远志翁世兵
Owner 六安科瑞达新型材料有限公司
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