WO2021114565A1 - Procédé de pulvérisation de revêtement anti-adhésif pour poêle anti-adhésive à motif évidé-saillant - Google Patents

Procédé de pulvérisation de revêtement anti-adhésif pour poêle anti-adhésive à motif évidé-saillant Download PDF

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Publication number
WO2021114565A1
WO2021114565A1 PCT/CN2020/090231 CN2020090231W WO2021114565A1 WO 2021114565 A1 WO2021114565 A1 WO 2021114565A1 CN 2020090231 W CN2020090231 W CN 2020090231W WO 2021114565 A1 WO2021114565 A1 WO 2021114565A1
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Prior art keywords
stick
coating
pan
body blank
spraying process
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Ceased
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PCT/CN2020/090231
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English (en)
Chinese (zh)
Inventor
李昶浩
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Li Shiju
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Li Shiju
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/025—Vessels with non-stick features, e.g. coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/007—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • B05D5/086—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers having an anchoring layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/546—No clear coat specified each layer being cured, at least partially, separately
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00—Selection of abrasive materials or additives for abrasive blasts

Definitions

  • the invention relates to a manufacturing process of kitchen cooking utensils, in particular to a non-stick coating spraying process of a non-stick pan with concave and convex patterns.
  • the outer surface of the stainless steel pot currently on the market is generally polished and smooth. It is very beautiful when you buy it, but after a long time, the outer surface of the pot body will appear scratches, dirt, blackening, etc., and it will also appear. Food scraps stick to the outer surface of the pot body, causing troublesome cleaning. Therefore, a non-stick pan with concave and convex patterns is now available on the market. This design increases the heat absorption area, fast heat transfer, and long life. Moreover, the outer surface pattern is in contact with the stove, which can prevent slip and scratches. At the same time, it achieves the purpose of convenient cleaning.
  • non-stick non-stick coating for non-stick pan with uneven patterns is to directly spray the non-stick pan coating on the pot body blank, and polish the convex pattern position with sandpaper, so that the convex pattern position is not non-stick pan.
  • the coating is protected by the coating, and the coating at the concave position is also partially damaged by polishing.
  • the pot will still stick to the position.
  • the non-stick pan coating at the concave pattern position is long It is also easy to fall off during the use of time, which makes it difficult to meet people's requirements for use.
  • the present invention provides a non-stick coating spraying process for the non-stick pan coating and the pan body to be more firmly combined with the non-stick pan with uneven patterns.
  • a non-stick coating spraying process for non-stick pans with uneven patterns The process steps are as follows:
  • Step S1 The pot body blank that needs to be sprayed with non-stick coating is subjected to high-temperature degreasing treatment; this step mainly uses high temperature to remove the dirt left by the surface of the pot body blank;
  • Step S2 Perform sandblasting treatment on the inner surface of the pot body blank, and the thickness of the sandblasting treatment is 0.3um ⁇ 4.5um; this step mainly performs high-pressure sandblasting treatment on the inner surface of the pot body blank, thereby improving the fatigue resistance of the blank. It increases the adhesion between it and the coating, prolongs the durability and abrasion resistance of the coating, and is also conducive to the leveling and decoration of the coating;
  • Step S3 Pre-heat treatment of the pot body blank; the pre-heat treatment is helpful for the subsequent non-stick coating spraying process, and improves the bonding degree of the non-stick coating with the inner surface of the pot;
  • Step S4 spray the base oil non-stick paint on the pot body blank, the spray thickness is 8um-40um; this step is the auxiliary non-stick paint processing;
  • Step S5 drying the pot body blank; the combination of a firm non-stick coating and the blank;
  • Step S6 Polish the raised pattern position with sandpaper, so that the raised pattern position has no primer coating; highlight the decorative effect of the raised pattern;
  • Step S7 spray surface oil non-stick paint on the pot body blank with a spray thickness of 8um-40um; increase the non-stickiness of the product;
  • Step S8 curing the pot body blank to improve the bonding degree of the non-stick coating.
  • the high-temperature degreasing described in the step S1 refers to sintering the grease remaining in the pot body blank in a high-temperature furnace at a temperature of 150°C to 450°C.
  • the material used in the sandblasting in the step S2 is: one or more of quartz sand, brown corundum, river sand, glass beads, and steel balls; the particle size of the material used in the sandblasting in the S2 is 38 Mesh ⁇ 180 mesh.
  • the preheating temperature of the step S3 is 30°-150°, and the time is 3 minutes to 30 minutes.
  • drying temperature in the step S5 is 100°-450°, and the time is 10 minutes to 30 minutes.
  • the curing temperature of the step S8 is 100°-450°, and the time is 20 minutes to 60 minutes.
  • primer non-stick coating and top oil non-stick coating of step S4 and step S7 are water-based non-stick coatings or water-based nano ceramic oils, which can be polytetrafluoroethylene (PTFE, also known as Teflon)
  • PTFE polytetrafluoroethylene
  • the primer non-stick coating of step S4 is made of pigmented material, and the surface oil non-stick coating of step S7 is of transparent material.
  • the beneficial effects of the present invention are: the process first performs sandblasting treatment on the inner surface of the pot body blank, increases the adhesion between it and the coating, and extends the durability and wear resistance of the coating film, and then performs the primer non-stick coating Spraying, and then polishing the raised pattern position with sandpaper, so that the raised pattern position has no primer coating, which highlights the decorative effect of the raised pattern; finally, spray the surface oil non-stick paint on the pot body to increase the product
  • the position of the raised pattern is non-sticky; the non-stick pan made by this process is sturdy and durable.
  • the primer coating is protected by the complete surface oil coating, it achieves a long-lasting, full-screen non-stick effect, effectively avoiding old
  • the problem of process convex position adhesion and concave position coating is easy to fall off, which also increases the problem of the spatula shoveling off the paint, which greatly improves the full-screen non-stick performance, life and aesthetics of the pot body.
  • Figure 1 is a schematic structural diagram of an embodiment of the invention
  • Fig. 2 is an enlarged cross-sectional view at A in Fig. 1.
  • a non-stick coating spraying process for non-stick pans with uneven patterns The process steps are as follows:
  • Step S1 Perform high-temperature degreasing treatment on the pot body blank that needs to be sprayed with non-stick coating;
  • the high-temperature degreasing described in this step refers to sintering the remaining grease in the pot body blank in a high-temperature furnace at a temperature of 150°C to 450°C; this step Mainly use high temperature to remove the dirt left by stretching the surface of the pot body;
  • Step S2 Perform sandblasting treatment on the inner surface of the pot body blank, and the thickness of the sandblasting treatment is 0.3um ⁇ 4.5um; this step mainly performs high-pressure sandblasting treatment on the inner surface of the pot body blank, and the materials used in the step sandblasting treatment It is: one or more of quartz sand, brown corundum, river sand, glass beads, steel balls; the particle size of the material used is 38 mesh to 180 mesh; this process mainly improves the fatigue resistance of the blank, and increases its and coating The adhesion between the layers prolongs the durability of the coating film, and is also conducive to the leveling and decoration of the coating;
  • Step S3 Pre-heat treatment of the pot body; the pre-heat treatment is helpful for the subsequent non-stick coating spraying processing.
  • the pre-heating temperature is 30°-150°, and the time is 3 minutes to 30 minutes; this step mainly improves the non-stick coating The degree of bonding between the paint and the inner surface of the pot;
  • Step S4 spray the base oil non-stick paint on the pot body blank, the spray thickness is 8um-40um; this step is the auxiliary non-stick paint processing;
  • Step S5 drying the pot body blank; the drying temperature is 100°-450°, and the time is 10 minutes to 30 minutes. This step is mainly to firmly bond the non-stick coating and the blank;
  • Step S6 Polish the raised pattern position with sandpaper, so that the raised pattern position has no primer coating; highlight the decorative effect of the raised pattern;
  • Step S7 spray surface oil non-stick paint on the pot body blank with a spray thickness of 8um-40um; increase the non-stickiness of the product;
  • the primer non-stick coating and top oil non-stick coating of step S4 and step S7 are water-based non-stick coatings or water-based nano ceramic oils, which can be polytetrafluoroethylene (PTFE, also known as Teflon); in order to achieve better For a good decorative effect, the primer non-stick coating of step S4 is made of pigmented material, and the surface oil non-stick coating of step S7 is of transparent material.
  • PTFE polytetrafluoroethylene
  • sandblasting is first performed on the inner surface of the pot body blank.
  • the sandblasting layer 1 increases the adhesion between it and the coating and extends the durability of the coating film.
  • the base oil non-stick paint is sprayed, and then the raised pattern position is polished with sandpaper, so that the raised pattern position does not have primer coating 2 to highlight the decorative effect of the raised pattern; finally, the surface oil is not applied to the pot body.
  • Sticky paint spraying increases the non-stickiness of the raised pattern position of the product; the non-stick pan made by this process is sturdy and durable. Because the primer coating 2 is protected by the complete surface oil coating 3, it can achieve long-lasting and full-screen non-stickiness.
  • the sticking effect effectively avoids the problems of the old process that the convex position is stuck and the concave position coating is easy to fall off. It also improves the problem of the spatula shoveling off the paint, greatly improving the full-screen non-stick performance, life and aesthetics of the pot body.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Cookers (AREA)

Abstract

Un procédé de pulvérisation de revêtement anti-adhésif pour une poêle anti-adhésive à motif évidé-saillant. Le procédé comprend : tout d'abord, la réalisation d'un traitement de sablage sur la surface intérieure d'une ébauche de corps de poêle, la force d'adhérence entre la surface intérieure de l'ébauche de corps de poêle et un revêtement étant augmentée au moyen d'une couche de sablage (1), et la durabilité d'un film de revêtement est prolongée ; puis, la pulvérisation d'un revêtement anti-adhésif d'huile de base ; ensuite, la réalisation d'un traitement de polissage sur des positions de motif en saillie au moyen d'un papier abrasif, de telle sorte qu'il n'y a pas de revêtement d'huile de base (2) au niveau des positions de motif en saillie, et l'effet décoratif d'un motif en saillie est mis en évidence ; et enfin, la pulvérisation d'un revêtement anti-adhésif d'huile de surface sur l'ébauche de corps de poêle de façon à augmenter la performance de non-adhérence des positions de motif en saillie d'un produit. Une poêle anti-adhésive préparée est solide et durable, et le revêtement d'huile de base (2) permet d'obtenir un effet de non-adhérence durable et complet sous la protection d'un revêtement d'huile de surface complet (3), de telle sorte que les problèmes d'adhérence de saillie et de revêtement d'évidement qui sont susceptibles de tomber dans un ancien procédé sont efficacement évités, et le problème d'un revêtement étant raclé par une tranche est également résolu, ce qui permet d'améliorer considérablement la performance de non-adhérence complète, la durée de vie et l'aspect du corps de casserole.
PCT/CN2020/090231 2019-12-11 2020-05-14 Procédé de pulvérisation de revêtement anti-adhésif pour poêle anti-adhésive à motif évidé-saillant Ceased WO2021114565A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911265561.3 2019-12-11
CN201911265561.3A CN111036512A (zh) 2019-12-11 2019-12-11 一种具有凹凸花纹不粘锅的不粘涂料喷涂工艺

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WO2021114565A1 true WO2021114565A1 (fr) 2021-06-17

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PCT/CN2020/090231 Ceased WO2021114565A1 (fr) 2019-12-11 2020-05-14 Procédé de pulvérisation de revêtement anti-adhésif pour poêle anti-adhésive à motif évidé-saillant
PCT/KR2020/018169 Ceased WO2021118299A1 (fr) 2019-12-11 2020-12-11 Procédé de pulvérisation de peinture antiadhésive pour poêle antiadhésive présentant un motif irrégulier

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PCT/KR2020/018169 Ceased WO2021118299A1 (fr) 2019-12-11 2020-12-11 Procédé de pulvérisation de peinture antiadhésive pour poêle antiadhésive présentant un motif irrégulier

Country Status (3)

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KR (1) KR20210074169A (fr)
CN (1) CN111036512A (fr)
WO (2) WO2021114565A1 (fr)

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IT202300001848A1 (it) * 2023-02-06 2024-08-06 Kevin Rizzardi Metodo per migliorare la scivolosità di corpi in materiale antiaderente
EP4559361A1 (fr) * 2023-11-22 2025-05-28 Jiangmen Yishan Metal Products Co., Ltd. Procédé de fabrication de poêles non-collantes et poêle non-collante

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CN111036512A (zh) * 2019-12-11 2020-04-21 江门市依山金属制品有限公司 一种具有凹凸花纹不粘锅的不粘涂料喷涂工艺
US12303057B2 (en) 2020-04-07 2025-05-20 Zhejiang Bahe Kitchenware Co., Ltd. Physical non-stick pan with convex-concave structure, and manufacturing method thereof
CN111633382B (zh) * 2020-05-25 2021-04-09 湖南康钛尔家居科技发展有限公司 餐厨用具生产设备及其制造方法和应用
CN111760771A (zh) * 2020-07-06 2020-10-13 爱仕达股份有限公司 一种具有凹纹的不粘锅的加工方法
CN112961602B (zh) * 2021-03-04 2022-09-23 宁波市金象厨具有限公司 一种基于互穿网络结构的不粘锅涂层及其制备方法
CN114587150B (zh) * 2022-03-02 2023-10-20 爱仕达股份有限公司 一种烹饪器具及其制备方法
CN115121463A (zh) * 2022-06-01 2022-09-30 上海大学 一种具有长效不粘peek和ptfe复合涂层的制备方法及所制备的复合涂层
CN116211121A (zh) * 2023-04-19 2023-06-06 宁波市金象厨具有限公司 一种金属网格复合工艺

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JP2018033932A (ja) * 2016-09-02 2018-03-08 ブラックキューブ カンパニー リミテッド 調理器具の製造方法
CN108855834A (zh) * 2017-05-08 2018-11-23 张伟平 一种不粘锅的制造方法
CN110403478A (zh) * 2019-08-29 2019-11-05 武义华康电器有限公司 一种不粘锅锅体及其制备工艺
CN111036512A (zh) * 2019-12-11 2020-04-21 江门市依山金属制品有限公司 一种具有凹凸花纹不粘锅的不粘涂料喷涂工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300001848A1 (it) * 2023-02-06 2024-08-06 Kevin Rizzardi Metodo per migliorare la scivolosità di corpi in materiale antiaderente
EP4559361A1 (fr) * 2023-11-22 2025-05-28 Jiangmen Yishan Metal Products Co., Ltd. Procédé de fabrication de poêles non-collantes et poêle non-collante

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