Heat transfer printing powder coating used for aluminum floor, and preparation method and application of heat transfer printing powder coating

A technology of powder coating and thermal transfer printing, which is applied in powder coating, anti-corrosion coating, polyester coating, etc. It can solve the problems of affecting the appearance and service life, the aluminum floor is easy to be scratched, and the surface hardness is low, so as to ensure stable storage properties, ensuring easy and sufficient curing, and improving corrosion resistance

Active Publication Date: 2018-07-06
广东华江粉末科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low surface hardness and poor wear resistance of traditional thermal transfer powder, it is...

Method used

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  • Heat transfer printing powder coating used for aluminum floor, and preparation method and application of heat transfer printing powder coating
  • Heat transfer printing powder coating used for aluminum floor, and preparation method and application of heat transfer printing powder coating
  • Heat transfer printing powder coating used for aluminum floor, and preparation method and application of heat transfer printing powder coating

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preparation example Construction

[0045] In addition, the present invention also provides a preparation method of thermal transfer powder coating for aluminum floor, comprising the following steps:

[0046] (1) The carboxyl-terminated polyester resin and the hydroxyl-terminated polyester resin are pre-mixed in a ratio of 1:1-4:1, and then melt-extruded with a single-screw extruder, and the extrusion temperature is controlled at 90-110°C, the screw frequency is controlled at 30-50Hz, and then the extruded flakes are crushed to obtain a polyester mixture;

[0047] (2) Put the polyester mixture and other materials in the raw material into the mixing tank with crushing function according to the mass percentage of the above formula for pre-mixing, the time is 3-5 minutes;

[0048] (3) Use a twin-screw extruder to melt, knead, disperse and extrude the pre-mixed raw materials, wherein the extrusion temperature is controlled at 110-130 ° C, and the screw frequency is controlled at 30-50 Hz; pieces, broken;

[0049] (4...

Embodiment 1

[0053] Prepare the thermal transfer powder coating for aluminum floor according to the following steps:

[0054] In the first step, the carboxyl-terminated polyester resin and hydroxyl-terminated polyester resin according to the present invention are pre-mixed in a ratio of 2:1, and then melt-extruded with a single-screw extruder, and the extrusion temperature is set at 105°C , the screw frequency is set to 50Hz, and then the extruded sheet is crushed to obtain a polyester mixture;

[0055] In the second step, the polyester mixture and other raw materials are put into the mixing tank with crushing function according to the mass percentage of the following formula for pre-mixing, and the time is 3-5 minutes;

[0056]

[0057] The third step is to use a twin-screw extruder to melt, knead and evenly disperse the pre-mixed raw materials and extrude them. The extrusion temperature is controlled at 120°C and the screw frequency is controlled at 35Hz; then tableting and crushing a...

Embodiment 2

[0063] Prepare the thermal transfer powder coating for aluminum floor according to the following steps:

[0064] In the first step, the carboxyl-terminated polyester resin and hydroxyl-terminated polyester resin according to the present invention are pre-mixed in a ratio of 1:1, and then melt-extruded with a single-screw extruder, and the extrusion temperature is set at 100°C , the screw frequency is set to 40Hz, and then the extruded sheet is crushed to obtain a polyester mixture;

[0065] In the second step, the polyester mixture and other raw materials are put into the mixing tank with crushing function according to the mass percentage of the following formula for pre-mixing, and the time is 3-5 minutes;

[0066]

[0067]

[0068] The third step is to use a twin-screw extruder to melt, knead and evenly disperse and extrude the pre-mixed raw materials. The extrusion temperature is controlled at 130°C and the screw frequency is controlled at 40Hz; then tableting and cru...

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Abstract

The invention discloses a heat transfer printing powder coating used for an aluminum floor, and a preparation method and application of the heat transfer printing powder coating. The heat transfer printing powder coating used for the aluminum floor takes a terminal carboxyl polyester and terminal hydroxy polyester mixture as a film formation substance, and materials, including quartz powder, titanium dioxide, a modified polyether flatting agent, polytetrafluoroethylene, nylon copolymer, a coupling agent, a catalyst, an antioxygen and the like, are matched to be subjected to melt extrusion to prepare the powder coating. The heat transfer printing powder coating used for the aluminum floor is the powder coating which has the advantages of high hardness, high abrasive resistance and excellentmechanical performance, contamination resistance, water resistance and abrasion resistance, and can be widely applied to the field of aluminum floor coating.

Description

technical field [0001] The invention belongs to the field of powder coatings, and in particular relates to a heat-transfer powder coating for aluminum floors, a preparation method and application thereof. Background technique [0002] With the vigorous development of the national economy, people's awareness of environmental protection and energy conservation is constantly strengthening. On the issue of interior decoration materials, environmental protection has always been an unavoidable issue in the industry, especially the issue of indoor formaldehyde exceeding the standard. Among them, the floor is one of the important materials for interior decoration. Traditional floors mainly include solid wood flooring and composite wood flooring. These two types of flooring not only need to consume a lot of wood, but also add adhesives and preservatives in the process of processing, resulting in the release of a large amount of formaldehyde during the production process and during u...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D5/08C09D5/16C09D7/47C09D7/48C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08L2205/025C08L2205/035C09D5/033C09D5/08C09D5/1687C09D167/00C08L67/00C08L71/00C08L27/18C08L77/00C08K5/34924C08K3/36C08K3/22C08K13/02
Inventor 魏育福方胥庚刘飞蔡劲树洪贤波
Owner 广东华江粉末科技有限公司
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