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US 12,427,542 B2Granted
Treatment method on a surface of a plastic flowerpot
AssigneeZhejiang Dingsheng Outdoor Living Products Co., Ltd.
InventorYuxuan Wu
Life of this patent
Estimating the term…
Abstract
A treatment method on a surface of a plastic flowerpot includes: directly spraying an undercoat on the surface of the plastic flowerpot without pretreatment; or, during a production of the plastic flowerpot, adding conductive carbon black to a master batch, without pretreatment or spraying the undercoat; spraying a conductive liquid; spraying plastic powder of a color through a high-pressure electrostatic spray gun, and thermally curing; and naturally cooling.
Claims6
A treatment method on the surface of a plastic flowerpot, comprising:
- a) directly spraying an undercoat on the surface of the plastic flowerpot without pretreatment or, during a production of the plastic flowerpot, adding conductive carbon black to a master batch without pretreatment or spraying the undercoat;
- b) spraying a conductive liquid;
- c) spraying a colored plastic powder through an electrostatic spray gun;
- d) thermally curing the colored plastic powder;
- and
- e) cooling,
- wherein the plastic powder comprises the following chemical components:
- 56 to 66 parts of polyester resin;
- 2 to 8 parts of a curing agent;
- 2 to 12 parts of an auxiliary agent, a plasticizer, a stabilizer, and a lubricant;
- and 20 to 35 parts of a pigment and a filler, wherein the total amount of the chemical components of the plastic powder is 100 percent.
8 more elements
Dependencies are inferred from the claim text.