WO2021213248A1 - Method for processing sealing component of vehicle and sealing component for vehicle - Google Patents

Method for processing sealing component of vehicle and sealing component for vehicle Download PDF

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Publication number
WO2021213248A1
WO2021213248A1 PCT/CN2021/087620 CN2021087620W WO2021213248A1 WO 2021213248 A1 WO2021213248 A1 WO 2021213248A1 CN 2021087620 W CN2021087620 W CN 2021087620W WO 2021213248 A1 WO2021213248 A1 WO 2021213248A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
sealing component
lubricating
component
primer
Prior art date
Application number
PCT/CN2021/087620
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English (en)
French (fr)
Inventor
Jun Tan
Yiheng Zhang
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Saint-Gobain Glass France
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Filing date
Publication date
Application filed by Saint-Gobain Glass France filed Critical Saint-Gobain Glass France
Publication of WO2021213248A1 publication Critical patent/WO2021213248A1/en

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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/15—Sealing arrangements characterised by the material
    • B60J10/17—Sealing arrangements characterised by the material provided with a low-friction material on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/50—Sealing arrangements characterised by means for prevention or reduction of noise, e.g. of rattling or vibration of windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/70—Sealing arrangements specially adapted for windows or windscreens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/70—Sealing arrangements specially adapted for windows or windscreens
    • B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/61—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002—Priming paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Definitions

  • the present disclosure relates to a method for processing a sealing component of a vehicle, a sealing component for a vehicle, and a vehicle glass assembly comprising the sealing component.
  • a method for processing a sealing component of a vehicle is provided according to embodiments of the present disclosure, and solves or at least partially solves the above-mentioned problems and other potential problems existing between the sealing component of the vehicle and other component of the vehicle in the prior art.
  • a method for processing a sealing component of a vehicle comprising:
  • step s1 applying a lubricating paint to an interference surface of the sealing component interfering with other components of the vehicle;
  • step s2 curing the lubricating paint to form a lubricating coating
  • the lubricating paint comprises silicon-modified polyurethane resin, filler, wax and solvent.
  • a basic idea is that by forming a lubricating coating on an interference surface of the sealing component of the vehicle interfering with other components of the vehicle, the friction between the sealing component and other components of the vehicle can be effectively reduced, thereby reducing noise and improving the scratch resistance of the product.
  • the lubricating paint comprises wax, which significantly improves the lubricity of the coating, thereby effectively reducing the friction between the sealing component of the vehicle and other components of the vehicle.
  • wax is relatively stable, and can effectively improve the aging resistance of the coating.
  • a sealing component for a vehicle wherein the sealing component is provided with a lubricating coating on an interference surface interfering with other components of the vehicle, and wherein the lubricating coating comprises silicon-modified polyurethane resin, filler and wax.
  • the friction between the sealing component and other components of the vehicle can be effectively reduced, thereby reducing noise and improving the scratch resistance of the product.
  • a vehicle glass assembly comprising a glass substrate and an encapsulation component fixed on the glass substrate, and wherein the encapsulation component is the sealing component according to the second aspect.
  • the friction between the encapsulation component of the vehicle glass and other components of the vehicle can be effectively reduced, thereby significantly reducing the noise produced when closing the vehicle window glass, and the abnormal noise produced in the region of the vehicle window glass during travelling.
  • FIG. 1 shows a schematic view of interference between an encapsulation component of a vehicle glass and other components of the vehicle in the prior art
  • FIG. 2 shows a schematic flow chart of a method for processing a sealing component of a vehicle according to an embodiment of the present disclosure
  • FIG. 3 shows a schematic flow chart of the method for processing a sealing component of a vehicle according to another embodiment of the present disclosure
  • FIG. 4 shows a schematic flow chart of the method for processing a sealing component of a vehicle according to another embodiment of the present disclosure
  • FIG. 5 shows a schematic view of a vehicle glass assembly according to an embodiment of the present disclosure.
  • FIG. 6 shows a schematic cross-sectional view, taken along the line A-A' in FIG. 5, of the vehicle glass assembly according to another embodiment of the present disclosure.
  • the vehicle glass assembly 100 comprises a glass substrate 110 and an encapsulation component 120, wherein the encapsulation component 120 (the X region of the encapsulation component 120 as shown in FIG. 1) interferes with other component 200 of the vehicle (such as a sealing strip of the vehicle body) , which causes the encapsulation component 120 and other component 200 of the vehicle to rub against each other, such that loud noise is produced when closing the vehicle window glass, and loud abnormal noise is also produced in the region of the vehicle window glass region during travelling.
  • the encapsulation component 120 the X region of the encapsulation component 120 as shown in FIG. 1
  • other component 200 of the vehicle such as a sealing strip of the vehicle body
  • the present disclosure provides a method for processing a sealing component of a vehicle, a sealing component for a vehicle, and a vehicle glass assembly.
  • the present disclosure does not specifically limit the glass specification, glass type, and installation position of the glass substrate 110.
  • the glass substrate 110 may be tempered glass or laminated glass.
  • the glass substrate 110 may be inorganic glass or organic glass.
  • the glass substrate 110 may be a vehicle door glass, a sunroof glass, a quarter-window glass, and/or a windshield glass, etc.
  • the term “comprise” and its various variants may be understood as open-ended terms, which means “comprise but not limited to” .
  • the term “one embodiment” may be understood as “at least one embodiment” .
  • the term “another embodiment” may be understood as “at least one another embodiment. " Other terms that may appear but are not mentioned here, unless explicitly stated, should not be construed or defined in a manner that is contrary to the concept on which the embodiments of the present disclosure are based.
  • the terms “interference” and “interfere with” may also be understood as “contact” and “contact with” .
  • the term “interference surface” may also be understood as “contact surface” .
  • this is a common phenomenon, that is, many vehicle components may contact and interfere with each other.
  • the method for processing a sealing component of a vehicle comprises:
  • step s1 applying a lubricating paint to an interference surface of the sealing component interfering with other components of the vehicle;
  • step s2 curing the lubricating paint to form a lubricating coating
  • the lubricating paint comprises silicon-modified polyurethane resin, filler, wax and solvent.
  • a basic idea is that by forming a lubricating coating on an interference surface of the sealing component of the vehicle interfering with other components of the vehicle, the friction between the sealing component and other components of the vehicle can be effectively reduced, thereby reducing noise and improving the scratch resistance of the product.
  • wax which can significantly improve the lubricity of the coating, thereby effectively reducing the friction between the sealing component of the vehicle and other components of the vehicle.
  • wax is relatively stable, and can effectively improve the aging resistance of the coating.
  • Wax specifically comprises paraffin wax, polyolefin wax, microcrystalline paraffin wax, micronized wax, chlorinated paraffin wax, and the like.
  • the silicon-modified polyurethane resin mainly serves as a framework to make the filling of filler, wax and other ingredients more uniform.
  • silicon-oxygen bonds, silicon-carbon bonds or the like are introduced into the main chain or side chain of the polyurethane resin, wherein the silicon comprises hydroxysiloxane, epoxysiloxane, or the like.
  • the main purpose of silicon modification is to enhance the lubricity of the polyurethane resin by adding silicone oil to the polyurethane resin.
  • organosilicone can also be used as an end-capping agent in the polyurethane resin, or the polyurethane resin may be modified to achieve the role of a water-based dispersing emulsion.
  • the silicon-modified polyurethane resin comprises silicon-modified water-based polyurethane resin and silicon-modified oil-based polyurethane resin.
  • the silicon-modified polyurethane resin is the silicon-modified water-based polyurethane resin, which is more environmentally friendly than the silicon-modified oil-based polyurethane resin.
  • the filler also mainly serves as the framework.
  • the filler further plays a role in coloring.
  • Some specific examples of the filler comprise: carbon black, calcium silicate, clay, kaolin, talc, silica, diatom, powdered mica, molybdenum disulfide, and graphite.
  • Specific examples of the solvent comprise water and the like.
  • the lubricating paint further comprises auxiliary agent, silicone oil, and/or curing agent.
  • the auxiliary agent comprises antioxidant, plasticizer, stabilizer, and the like, which mainly plays a role in aging resistance, filling, enhancing stability or the like.
  • Silicone oil mainly plays a role in enhancing the lubricating performance, and comprises water-based silicone oil and oil-based silicone oil. In some embodiments, the silicone oil is the water-based silicone oil, which is more environmentally friendly than the oil-based silicone oil.
  • the curing agent mainly plays a role in accelerating the curing reaction of the paint, so as to cure the lubricating paint to form a cured coating. Specific examples of the curing agent comprise polyisocyanate and the like.
  • the lubricating paint may be divided into two components, wherein component I comprises: 50%to 70%silicon-modified water-based polyurethane resin, 2%to 10%filler, 2%to 5%wax, 5%to 10%auxiliary agent, 5%to 10%water-based silicone oil, and the remaining is solvent; component II comprises curing agent such as polyisocyanate.
  • the lubricating coating is formed by curing the lubricating paint by heating, air drying, and/or photocatalysis.
  • the heating temperature is 20°C to 150°C, such as 20°C, 30°C, 40°C, 50°C, 60°C, 70°C, 80°C, 90°C, 100°C, 110°C °C, 120°C, 130°C, 140°C, and 150°C; and the heating time is 2 minutes to 24 hours, such as 2 minutes, 3 minutes, 4 minutes, 5 minutes, 10 minutes, 30 minutes, 1 hour, 2 hours, 3 hours, 4 hours, 5 hours, 6 hours, 7 hours, 8 hours, 9 hours, 10 hours, 11 hours, 12 hours, 13 hours, 14 hours, 15 hours, 16 hours, 17 hours, 18 hours, 19 hours, 20 hours, 21 hours, 22 hours, 23 hours, and 24 hours.
  • the heating temperature is 70°C to 90°C, such as 70°C, 80°C, or 90°C; and the heating time is 10 minutes to 30 minutes, such as 10 minutes, 15 minutes, 20 minutes, and 30 minutes. It should be understood that the above examples are only exemplary, and those skilled in the art can select appropriate curing methods, appropriate heating temperature and heating time according to specific materials of the sealing component, types of the lubricating paint, and other needs, without departing from the scope of protection of the present disclosure.
  • a step of forming a primer coating is further comprised before forming the lubricating coating. Specifically, prior to the step s1, the method further comprises
  • step a applying a primer to the interference surface of the sealing component
  • step b drying the primer to form a primer coating.
  • step b the following steps are performed after the step b:
  • step s1' applying the lubricating paint onto the primer coating
  • step s2' curing the lubricating paint to form the lubricating coating.
  • the sealing component of the vehicle is made of non-polar materials (such as thermoplastic elastomer (TPE) , polypropylene (PP) , etc. )
  • the primer coating is formed on the interference surface of the sealing component of the vehicle interfering with other components of the vehicle before forming lubricating coating, which can additionally enhance the adhesion between the lubricating paint and the sealing component.
  • polar materials such as polyvinyl chloride (PVC) , and acrylonitrile-butadiene-styrene plastic (ABS) , can actively absorb the ingredients in the lubricating paint and thus have good adhesion to the lubricating paint.
  • the adsorption capacity of non-polar materials is weak or null. Therefore, by forming the above-mentioned primer coating, the adhesion between the non-polar material and the lubricating coating can be greatly enhanced. It should be understood that whether it is necessary to apply a primer mainly depends on the characteristics of the material used to form the sealing component of the vehicle.
  • the primer comprises a polyurethane-based primer, a polyolefin-based primer, or an acrylic acid-based primer. It should be understood that the above examples are only exemplary, and those skilled in the art can select appropriate primers according to actual needs without departing from the scope of protection of the present disclosure. As for how to dry the primer, any method such as air drying and/or heating can be used.
  • the method further comprises a step of preheating the sealing component to a predetermined temperature. This helps to enhance the adhesion between the primer and the sealing component, especially the adhesion between certain primers (such as the polyurethane-based primer or the polyolefin-based primer) and the sealing component.
  • certain primers such as the polyurethane-based primer or the polyolefin-based primer
  • the preheating comprises heating the sealing component at a temperature of 60°C to 90°C, such as 60°C, 70°C, 80°C, and 90°C, for 10 seconds to 30 minutes, such as 10 seconds, 20 seconds, 30 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 20 minutes, and 30 minutes.
  • the preheating temperature and the preheating time are only exemplary, and those skilled in the art can select an appropriate preheating temperature depending on the material of the sealing component; those skilled in the art can select an appropriate preheating time depending on the speed for the sealing component to reach the predetermined temperature.
  • a sealing component for a vehicle wherein the sealing component is provided with a lubricating coating on an interference surface interfering with other components of the vehicle, and the lubricating coating comprises silicon-modified polyurethane resin, filler and wax.
  • the lubricating coating further comprises auxiliary agent, silicone oil, and/or polyether.
  • auxiliary agent silicone oil
  • silicone oil a reaction product formed after the silicon-modified polyurethane resin in the lubricating paint reacts with the curing agent such as polyisocyanate.
  • a primer coating is further provided between the sealing component and the lubricating coating, and the primer coating is a polyurethane-based primer, a polyolefin-based primer, or an acrylic acid-based primer.
  • the primer coating is a polyurethane-based primer, a polyolefin-based primer, or an acrylic acid-based primer.
  • the sealing component of the vehicle may be a sealing component at any position that interferes with any component of the vehicle.
  • the sealing component may be an encapsulation component of the vehicle glass, or a sealing component of the vehicle body.
  • a vehicle glass assembly 100 is provided according to a third aspect of the present disclosure. As shown in FIG. 5, the vehicle glass assembly 100 comprises a glass substrate 110 and an encapsulation component 120 fixed on the glass substrate 110.
  • the encapsulation component 120 is a sealing component which is processed according to the method described in the first aspect of the present disclosure, or is the sealing component for the vehicle according to the second aspect of the present disclosure.
  • the encapsulation component 120 may be fixed to the edge of the glass substrate 110 by integral injection molding and then be processed according to the method described in the first aspect of the present disclosure; or, the encapsulation component 120 may be formed in advance (for example, by extrusion) , and be processed according to the method described in the first aspect of the present disclosure, and then be fixed to the edge of the glass substrate 110 by bonding or clamping to form the vehicle glass assembly 100.
  • the encapsulation component 120 may be made of at least one of the following materials: thermoplastic elastomer (TPE) , polyvinyl chloride (PVC) or polyurethane (PU) , acrylonitrile-butadiene-styrene plastic (ABS) , polypropylene (PP) , polyethylene terephthalate (PET) , ethylene propylene diene monomer (EPDM) , and thermoplastic vulcanizate (TPV) .
  • TPE thermoplastic elastomer
  • PVC polyvinyl chloride
  • PU polyurethane
  • ABS acrylonitrile-butadiene-styrene plastic
  • PP polypropylene
  • PET polyethylene terephthalate
  • EPDM ethylene propylene diene monomer
  • TPV thermoplastic vulcanizate
  • the vehicle door glass assembly of Group A is provided with the lubricating coating 130 described in the present disclosure on the interference surface of the encapsulation component 120 interfering with the other component 200 of the vehicle (the X region of the encapsulation component 120 as shown in FIG. 5) , and the vehicle door glass assembly of Group B is not provided with the lubricating coating on the interference surface.
  • the vehicle door glass assembly with the lubricating coating is firstly subjected to aging treatments under different conditions. Specifically, the vehicle door glass of Group Y is subjected to a cold-hot cycle treatment for 20 times, the hot treatment condition is the placement at 80°C for 12 hours, and the cold treatment condition is the placement at -30°C for 12 hours. The vehicle door glass assembly of Group Z is placed in water of 80°C for 96 hours. Then, the lubricating coatings are scratched respectively, that is, the surfaces of the lubricating coatings on the encapsulation component after the aging treatments are heavily scratched back and forth with a non-woven fabric for several cycles.
  • FIG. 6 shows a schematic cross-sectional view, taken along line A-A' in FIG. 5, of the vehicle glass assembly according to another embodiment of the present disclosure.
  • a primer coating 140 is further provided between the encapsulation component 120 and the lubricating coating 130, the primer coating 140 is formed by the method according to the first aspect of the present disclosure, and the primer coating is a polyurethane-based primer, a polyolefin-based primer, or an acrylic acid-based primer.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
PCT/CN2021/087620 2020-04-20 2021-04-16 Method for processing sealing component of vehicle and sealing component for vehicle WO2021213248A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010312406.9A CN112691871A (zh) 2020-04-20 2020-04-20 一种处理汽车密封部件的方法及汽车密封部件
CN202010312406.9 2020-04-20

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WO2021213248A1 true WO2021213248A1 (en) 2021-10-28

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CN207257324U (zh) * 2017-09-18 2018-04-20 英纳法企业管理（上海）有限公司 汽车全景天窗玻璃总成密封结构
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