CN111073397A - Two-component water-based black paste for vehicles and preparation method thereof - Google Patents
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- 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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
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Abstract
The invention discloses a two-component water-based black paste for vehicles and a preparation method thereof, wherein the two-component water-based black paste for vehicles comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water; the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent; the weight ratio of the component A to the component B is 100: 20; by arranging the antifreeze agent, the mildew preventive, the anti-aging agent, the anti-flash rust preventive and the preservative, the two-component water-based black paste has the effects of freezing prevention, mildew prevention, aging resistance, rust resistance and corrosion resistance, is suitable for being used in vehicles, and has a good using effect.
Description
Technical Field
The invention relates to the field of automobile accessory production, in particular to a two-component water-based black paste for a vehicle and a preparation method thereof.
Background
With the rise and development of the automobile industry, the amount of automobile paint used is increasing day by day. Among them, car coatings represent the highest state of the art and the direction of development of the coating industry. However, due to the increasing awareness of environmental protection and the establishment and enforcement of national relevant environmental regulations, the water-based automotive coatings have become the most effective way for the automotive industry to achieve environmental protection. At present, automobile manufacturers with certain scales in China enter the era of water-based paint. Meanwhile, the demand of the water-based color paste is greatly increased along with the water-based paint, wherein the demand of the water-based black color paste is particularly outstanding.
At present, most of water-based black paste for vehicles is single-component, the single-component black paste is not good in using effect of the double-component black paste, and meanwhile, the existing water-based black paste is not high enough in functionality and needs to be improved.
Disclosure of Invention
The invention mainly aims to provide two-component water-based black paste for vehicles and a preparation method thereof, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a two-component water-based black paste for vehicles and a preparation method thereof, the two-component water-based black paste for vehicles comprises a component A and a component B,
the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water;
the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent;
the weight ratio of the component A to the component B is 100: 20.
as a further scheme of the invention: the component A is prepared from the following raw materials in parts by weight: 10-25 parts of carbon black, 1-3 parts of an environment-friendly cosolvent, 25-40 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 2-4 parts of a neutralizing agent, 0.5-1.5 parts of a wetting agent, 0.1-0.5 part of an anti-settling agent, 0.5-1 part of an antifreeze agent, 0.1-0.5 part of a mildew inhibitor, 0.1-0.5 part of an anti-aging agent, 0.1-0.5 part of an anti-flash rust agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator and 40-70 parts of deionized water.
As a further scheme of the invention: the component A is prepared from the following raw materials in parts by weight: 20 parts of carbon black, 2 parts of an environment-friendly cosolvent, 35 parts of a dispersing agent, 0.3 part of a defoaming agent, 3 parts of a neutralizing agent, 1 part of a wetting agent, 0.3 part of an anti-settling agent, 0.8 part of an antifreeze agent, 0.3 part of a mildew inhibitor, 0.3 part of an anti-aging agent, 0.3 part of an anti-flash rust agent, 0.3 part of a preservative, 0.3 part of a pH regulator and 50 parts of deionized water.
As a further scheme of the invention: the environment-friendly cosolvent is fatty alcohol-polyoxyethylene ether; the defoaming agent is modified polydimethylsiloxane; the neutralizer is dimethylethanolamine; the wetting agent is a nonionic surfactant; the anti-settling agent is organic bentonite; the antifreeze agent is propylene glycol; the mildew preventive is copper hydroxide; the anti-aging agent is salicylate ultraviolet absorber; the flash rust inhibitor is a flash rust inhibitor containing organic zinc chelate; the preservative is a Thor R-S preservative; the pH regulator is ammonia water.
As a further scheme of the invention: the dispersing agent comprises sodium carboxymethyl hemicellulose and high molecular weight polyurethane, and the weight ratio of the sodium carboxymethyl hemicellulose to the high molecular weight polyurethane is 70: 30.
a preparation method of two-component water-based black paste for vehicles is characterized by comprising the following steps: the method comprises the following specific steps:
(1) preparing raw materials: selecting raw materials according to the weight part ratio;
(2) and preparing a component A: pouring the carbon black prepared in the step (1), the environment-friendly cosolvent, the dispersing agent, the defoaming agent, the neutralizing agent, the wetting agent, the anti-settling agent, the anti-freezing agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent, the preservative and the PH regulator into a stainless steel tank, and stirring at the rotating speed of 600-800r/min for 20-50min to obtain a component A;
(3) preparing black paste: and (3) mixing the component B prepared in the step (1) with the component A prepared in the step (2), adding the deionized water prepared in the step (1), and stirring at the rotating speed of 600-800r/min for 10-30min to obtain the prepared black slurry.
Compared with the prior art, the invention has the following beneficial effects:
the two-component aqueous black paste has the effects of freezing prevention, mildew prevention, ageing resistance, rust resistance and corrosion resistance by arranging the antifreeze agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent and the preservative; the use of the vehicle is convenient.
Drawings
FIG. 1 is a flow chart of a two-component aqueous black paste for vehicles and a preparation method thereof.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
The invention discloses a two-component water-based black paste for vehicles and a preparation method thereof, the two-component water-based black paste for vehicles comprises a component A and a component B,
the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water;
the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent;
the weight ratio of the component A to the component B is 100: 20.
the component A is prepared from the following raw materials in parts by weight: 10-25 parts of carbon black, 1-3 parts of an environment-friendly cosolvent, 25-40 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 2-4 parts of a neutralizing agent, 0.5-1.5 parts of a wetting agent, 0.1-0.5 part of an anti-settling agent, 0.5-1 part of an antifreeze agent, 0.1-0.5 part of a mildew inhibitor, 0.1-0.5 part of an anti-aging agent, 0.1-0.5 part of an anti-flash rust agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator and 40-70 parts of deionized water.
The component A is prepared from the following raw materials in parts by weight: 15 parts of carbon black, 1 part of an environment-friendly cosolvent, 40 parts of a dispersing agent, 0.2 part of a defoaming agent, 2 parts of a neutralizing agent, 0.8 part of a wetting agent, 0.2 part of an anti-settling agent, 0.6 part of an antifreeze agent, 0.2 part of a mildew preventive, 0.2 part of an anti-aging agent, 0.2 part of an anti-flash rust agent, 0.2 part of a preservative, 0.2 part of a pH regulator and 50.1 parts of deionized water.
The environment-friendly cosolvent is fatty alcohol-polyoxyethylene ether; the defoaming agent is modified polydimethylsiloxane; the neutralizer is dimethylethanolamine; the wetting agent is a nonionic surfactant; the anti-settling agent is organic bentonite; the antifreeze agent is propylene glycol; the mildew preventive is copper hydroxide; the anti-aging agent is salicylate ultraviolet absorber; the flash rust inhibitor is a flash rust inhibitor containing organic zinc chelate; the preservative is a Thor R-S preservative; the pH regulator is ammonia water.
The dispersing agent comprises sodium carboxymethyl hemicellulose and high molecular weight polyurethane, and the weight ratio of the sodium carboxymethyl hemicellulose to the high molecular weight polyurethane is 70: 30.
a preparation method of two-component water-based black paste for vehicles is characterized by comprising the following steps: the method comprises the following specific steps:
(1) preparing raw materials: selecting raw materials according to the weight part ratio;
(2) and preparing a component A: pouring the carbon black prepared in the step (1), the environment-friendly cosolvent, the dispersing agent, the defoaming agent, the neutralizing agent, the wetting agent, the anti-settling agent, the anti-freezing agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent, the preservative and the PH regulator into a stainless steel tank, and stirring at the rotating speed of 600-800r/min for 20-50min to obtain a component A;
(3) preparing black paste: and (3) mixing the component B prepared in the step (1) with the component A prepared in the step (2), adding the deionized water prepared in the step (1), and stirring at the rotating speed of 600-800r/min for 10-30min to obtain the prepared black slurry.
Example 2
The invention discloses a two-component water-based black paste for vehicles and a preparation method thereof, the two-component water-based black paste for vehicles comprises a component A and a component B,
the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water;
the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent;
the weight ratio of the component A to the component B is 100: 20.
the component A is prepared from the following raw materials in parts by weight: 10-25 parts of carbon black, 1-3 parts of an environment-friendly cosolvent, 25-40 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 2-4 parts of a neutralizing agent, 0.5-1.5 parts of a wetting agent, 0.1-0.5 part of an anti-settling agent, 0.5-1 part of an antifreeze agent, 0.1-0.5 part of a mildew inhibitor, 0.1-0.5 part of an anti-aging agent, 0.1-0.5 part of an anti-flash rust agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator and 40-70 parts of deionized water.
The component A is prepared from the following raw materials in parts by weight: 20 parts of carbon black, 2 parts of an environment-friendly cosolvent, 35 parts of a dispersing agent, 0.3 part of a defoaming agent, 3 parts of a neutralizing agent, 1 part of a wetting agent, 0.3 part of an anti-settling agent, 0.8 part of an antifreeze agent, 0.3 part of a mildew inhibitor, 0.3 part of an anti-aging agent, 0.3 part of an anti-flash rust agent, 0.3 part of a preservative, 0.3 part of a pH regulator and 50 parts of deionized water.
The environment-friendly cosolvent is fatty alcohol-polyoxyethylene ether; the defoaming agent is modified polydimethylsiloxane; the neutralizer is dimethylethanolamine; the wetting agent is a nonionic surfactant; the anti-settling agent is organic bentonite; the antifreeze agent is propylene glycol; the mildew preventive is copper hydroxide; the anti-aging agent is salicylate ultraviolet absorber; the flash rust inhibitor is a flash rust inhibitor containing organic zinc chelate; the preservative is a Thor R-S preservative; the pH regulator is ammonia water.
The dispersing agent comprises sodium carboxymethyl hemicellulose and high molecular weight polyurethane, and the weight ratio of the sodium carboxymethyl hemicellulose to the high molecular weight polyurethane is 70: 30.
a preparation method of two-component water-based black paste for vehicles is characterized by comprising the following steps: the method comprises the following specific steps:
(1) preparing raw materials: selecting raw materials according to the weight part ratio;
(2) and preparing a component A: pouring the carbon black prepared in the step (1), the environment-friendly cosolvent, the dispersing agent, the defoaming agent, the neutralizing agent, the wetting agent, the anti-settling agent, the anti-freezing agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent, the preservative and the PH regulator into a stainless steel tank, and stirring at the rotating speed of 600-800r/min for 20-50min to obtain a component A;
(3) preparing black paste: and (3) mixing the component B prepared in the step (1) with the component A prepared in the step (2), adding the deionized water prepared in the step (1), and stirring at the rotating speed of 600-800r/min for 10-30min to obtain the prepared black slurry.
Example 3
The invention discloses a two-component water-based black paste for vehicles and a preparation method thereof, the two-component water-based black paste for vehicles comprises a component A and a component B,
the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water;
the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent;
the weight ratio of the component A to the component B is 100: 20.
the component A is prepared from the following raw materials in parts by weight: 10-25 parts of carbon black, 1-3 parts of an environment-friendly cosolvent, 25-40 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 2-4 parts of a neutralizing agent, 0.5-1.5 parts of a wetting agent, 0.1-0.5 part of an anti-settling agent, 0.5-1 part of an antifreeze agent, 0.1-0.5 part of a mildew inhibitor, 0.1-0.5 part of an anti-aging agent, 0.1-0.5 part of an anti-flash rust agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator and 40-70 parts of deionized water.
The component A is prepared from the following raw materials in parts by weight: 25 parts of carbon black, 3 parts of an environment-friendly cosolvent, 30 parts of a dispersing agent, 0.4 part of a defoaming agent, 4 parts of a neutralizing agent, 1.2 parts of a wetting agent, 0.4 part of an anti-settling agent, 1 part of an antifreeze agent, 0.4 part of a mildew inhibitor, 0.4 part of an anti-aging agent, 0.4 part of an anti-flash rust agent, 0.4 part of a preservative, 0.4 part of a pH regulator and 43.9 parts of deionized water.
The environment-friendly cosolvent is fatty alcohol-polyoxyethylene ether; the defoaming agent is modified polydimethylsiloxane; the neutralizer is dimethylethanolamine; the wetting agent is a nonionic surfactant; the anti-settling agent is organic bentonite; the antifreeze agent is propylene glycol; the mildew preventive is copper hydroxide; the anti-aging agent is salicylate ultraviolet absorber; the flash rust inhibitor is a flash rust inhibitor containing organic zinc chelate; the preservative is a Thor R-S preservative; the pH regulator is ammonia water.
The dispersing agent comprises sodium carboxymethyl hemicellulose and high molecular weight polyurethane, and the weight ratio of the sodium carboxymethyl hemicellulose to the high molecular weight polyurethane is 70: 30.
a preparation method of two-component water-based black paste for vehicles is characterized by comprising the following steps: the method comprises the following specific steps:
(1) preparing raw materials: selecting raw materials according to the weight part ratio;
(2) and preparing a component A: pouring the carbon black prepared in the step (1), the environment-friendly cosolvent, the dispersing agent, the defoaming agent, the neutralizing agent, the wetting agent, the anti-settling agent, the anti-freezing agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent, the preservative and the PH regulator into a stainless steel tank, and stirring at the rotating speed of 600-800r/min for 20-50min to obtain a component A;
(3) preparing black paste: and (3) mixing the component B prepared in the step (1) with the component A prepared in the step (2), adding the deionized water prepared in the step (1), and stirring at the rotating speed of 600-800r/min for 10-30min to obtain the prepared black slurry.
Taking 500g of the two-component aqueous black paste as an example, table 1 shows the results of the tests of the two-component aqueous black paste prepared from the raw materials with different proportions in examples 1-3 as follows:
| dispersingProperty of (2) | Adhesion force | Stability in storage | |
| Example 1 | Good dispersibility | 0-1 stage | The storage performance is very good |
| Example 2 | Better dispersibility | 0-1 stage | The storage performance is very good |
| Example 3 | Slightly better dispersivity | 0-1 stage | The storage performance is very good |
As can be seen from the experimental data in Table 1, the two-component aqueous black paste prepared by the invention has different effects according to different proportions of the raw materials, and as can be seen from Table 1, the black paste in example 1 has the best dispersibility.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The two-component water-based black paste for the vehicle is characterized by comprising the following components in parts by weight: the two-component water-based black paste for vehicles comprises a component A and a component B,
the component A is prepared from the following raw materials in parts by weight: 15-30 parts of carbon black, 1-5 parts of an environment-friendly cosolvent, 20-50 parts of a dispersing agent, 0.1-1 part of a defoaming agent, 2-5 parts of a neutralizing agent, 0.5-2 parts of a wetting agent, 0.1-1 part of an anti-settling agent, 0.5-1.5 parts of an antifreeze agent, 0.1-1 part of a mildew inhibitor, 0.1-1 part of an anti-aging agent, 0.1-1 part of an anti-flash rust agent, 0.1-1 part of a preservative, 0.1-1 part of a pH regulator and 30-80 parts of deionized water;
the component B is prepared from the following raw materials in parts by weight: 10-30 parts of a water-based epoxy curing agent;
the weight ratio of the component A to the component B is 100: 20.
2. the two-component aqueous black paste for vehicles according to claim 1, wherein the two-component aqueous black paste comprises: the component A is prepared from the following raw materials in parts by weight: 10-25 parts of carbon black, 1-3 parts of an environment-friendly cosolvent, 25-40 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 2-4 parts of a neutralizing agent, 0.5-1.5 parts of a wetting agent, 0.1-0.5 part of an anti-settling agent, 0.5-1 part of an antifreeze agent, 0.1-0.5 part of a mildew inhibitor, 0.1-0.5 part of an anti-aging agent, 0.1-0.5 part of an anti-flash rust agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator and 40-70 parts of deionized water.
3. The two-component aqueous black paste for vehicles according to claim 1, wherein the two-component aqueous black paste comprises: the component A is prepared from the following raw materials in parts by weight: 20 parts of carbon black, 2 parts of an environment-friendly cosolvent, 35 parts of a dispersing agent, 0.3 part of a defoaming agent, 3 parts of a neutralizing agent, 1 part of a wetting agent, 0.3 part of an anti-settling agent, 0.8 part of an antifreeze agent, 0.3 part of a mildew inhibitor, 0.3 part of an anti-aging agent, 0.3 part of an anti-flash rust agent, 0.3 part of a preservative, 0.3 part of a pH regulator and 50 parts of deionized water.
4. The two-component aqueous black paste for vehicles according to claim 1, wherein the two-component aqueous black paste comprises: the environment-friendly cosolvent is fatty alcohol-polyoxyethylene ether; the defoaming agent is modified polydimethylsiloxane; the neutralizer is dimethylethanolamine; the wetting agent is a nonionic surfactant; the anti-settling agent is organic bentonite; the antifreeze agent is propylene glycol; the mildew preventive is copper hydroxide; the anti-aging agent is salicylate ultraviolet absorber; the flash rust inhibitor is a flash rust inhibitor containing organic zinc chelate; the preservative is a Thor R-S preservative; the pH regulator is ammonia water.
5. The two-component aqueous black paste for vehicles according to claim 1, wherein the two-component aqueous black paste comprises: the dispersing agent comprises sodium carboxymethyl hemicellulose and high molecular weight polyurethane, and the weight ratio of the sodium carboxymethyl hemicellulose to the high molecular weight polyurethane is 70: 30.
6. a preparation method of two-component water-based black paste for vehicles is characterized by comprising the following steps: the method comprises the following specific steps:
(1) preparing raw materials: selecting raw materials according to the weight part ratio;
(2) and preparing a component A: pouring the carbon black prepared in the step (1), the environment-friendly cosolvent, the dispersing agent, the defoaming agent, the neutralizing agent, the wetting agent, the anti-settling agent, the anti-freezing agent, the mildew preventive, the anti-aging agent, the anti-flash rust agent, the preservative and the PH regulator into a stainless steel tank, and stirring at the rotating speed of 600-800r/min for 20-50min to obtain a component A;
(3) preparing black paste: and (3) mixing the component B prepared in the step (1) with the component A prepared in the step (2), adding the deionized water prepared in the step (1), and stirring at the rotating speed of 600-800r/min for 10-30min to obtain the prepared black slurry.
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| EP3412735A1 (en) * | 2017-06-09 | 2018-12-12 | Maston OY | The paint forming pressurized dispersion having an extended shelf life and the method for preparing thereof |
| CN108893034A (en) * | 2018-08-20 | 2018-11-27 | 常州市天安特种涂料有限公司 | Antisepsis and sterilization coating of naval vessel drinking water tank and preparation method thereof |
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