阅读说明：本技术 一种防水渍的玻璃器皿及其制造工艺 (Water-stain-proof glassware and manufacturing process thereof ) 是由 孙淑娟 于 2019-12-04 设计创作，主要内容包括：本发明属于玻璃器皿制造领域,具体公开了一种防水渍的玻璃器皿及其制造工艺。该防水渍的玻璃器皿的制造工艺,通过5步法,在普通玻璃器皿表面附上一层二氧化钛膜。本发明所述的一种防水渍的玻璃器皿,其表面与水的接触角大于90°,水滴在其表面容易滚动难以粘附,从而实现防水渍的效果；本发明所述的一种防水渍的玻璃器皿的制造工艺,用料来源广,成本低,且操作简单。(The invention belongs to the field of glassware manufacture, and particularly discloses a water-stain-proof glassware and a manufacturing process thereof. The manufacturing process of the water stain-proof glassware is to attach a layer of titanium dioxide film on the surface of a common glassware by a 5-step method. According to the water stain-proof glassware, the contact angle between the surface of the water stain-proof glassware and water is larger than 90 degrees, water drops roll easily on the surface of the water drops and are difficult to adhere, and therefore the water stain-proof effect is achieved; the manufacturing process of the water stain resistant glassware has the advantages of wide material source, low cost and simple operation.)

1. A manufacturing process of a water-stain-resistant glassware is characterized in that: the method comprises the following steps:

s1: adding 0.3-0.6g of triton X-100 into 80mL of ethanol, adding 15-25mL of n-butyl titanate, and uniformly mixing to obtain a mixture A;

s2: adding 5-8mL of acetic acid and 12-16mL of water into 80mL of ethanol, and uniformly stirring to obtain a mixture B;

s3: adding the mixture A into the mixture B, and uniformly stirring to obtain a mixture C;

s4: coating the mixture C on the surface of a glass ware made of a common glass material, taking out the mixture C, and roasting the mixture C for 3 to 6 hours at the temperature of 450-520 ℃ to obtain a pretreated glass ware;

s5: and (3) putting the pretreated glassware and the mixture C into an autoclave, and carrying out heat preservation for 5-8h at the temperature of 140 ℃ and 180 ℃ to obtain the water-proof glassware.

2. The process for the manufacture of water-repellant glassware according to claim 1, in which: step S1 is: 0.5g of triton X-100 is added into 80mL of ethanol, 22mL of n-butyl titanate is added, and the mixture is uniformly mixed to obtain a mixture A.

3. The process for the manufacture of water-repellant glassware according to claim 1, in which: step S2 is: 6mL of acetic acid and 14mL of water were added to 80mL of ethanol and stirred well to obtain a mixture B.

4. The process for the manufacture of water-repellant glassware according to claim 1, in which: step S3 is: and dropwise adding the mixture A into the mixture B, and stirring at 600r/min for 25min to obtain a mixture C.

5. The process for the manufacture of water-repellant glassware according to claim 1, in which: step S4 is: and coating the mixture C on the surface of a glassware made of a common glass material, taking out the glassware, and roasting the glassware for 4 hours at 510 ℃ to obtain the pretreated glassware.

6. The process for the manufacture of water-repellant glassware according to claim 1, in which: step S5 is: and (3) putting the pretreated glassware and the mixture C into an autoclave, and preserving heat for 6 hours at the temperature of 160 ℃ to obtain the water-stain-proof glassware.

7. Process for the manufacture of water-repellant glassware according to any of claims 1 to 6, in which: and S6 is further included after the step S5, specifically, a layer of methyl silicone oil solution is coated on the surface of the glassware obtained in the step S5, and then the glassware is placed in a vacuum drying oven at 85 ℃ for drying for 3 hours to obtain the waterproof glassware.

8. The process of making water-repellant glassware according to claim 7, in which: the methyl silicone oil solution is a mixture of polydimethylsiloxane and acetone according to the mass ratio of 1: 19.

9. A water stain resistant glassware, which is characterized in that: manufactured by the process for the manufacture of water-repellent glassware according to any one of claims 1 to 8.

Technical Field

The invention belongs to the field of glassware manufacture, and particularly relates to a water stain-proof glassware and a manufacturing process thereof.

Background

The glassware is a colorless transparent ware made of soda-lime-silicate glass, and the iron content in the glass is generally lower than 0.02%. Adding a colorant into the glass raw material to prepare colored glass; adding an opacifier to prepare the opacified glass, and the like. The glass forming is usually to put powder and clinker, which are mixed according to the glass components, into a crucible kiln or a tank kiln for melting, clarify the melted glass into uniform glass liquid without bubbles, stones and stripes, cool the glass liquid to a viscosity range which is suitable for the requirements of the corresponding forming method, and perform various forming operations. Generally, the surface of the glass material has high energy and strong hydrophilicity, and water stains are easy to generate after water drops are adhered to the glass material, so that the glass material is not beneficial to cleaning and reusing of glassware.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the defects in the prior art, the invention provides a water-proof glassware and a manufacturing process thereof. According to the water stain-proof glassware, the contact angle between the surface of the water stain-proof glassware and water is large, so that water drops are difficult to adhere to the glassware, and the water stain-proof effect is achieved.

The technical scheme is as follows: in order to achieve the above object, the present invention provides a process for manufacturing a water-stain resistant glassware, comprising the steps of:

s1: adding 0.3-0.6g of triton X-100 into 80mL of ethanol, adding 15-25mL of n-butyl titanate, and uniformly mixing to obtain a mixture A;

s2: adding 5-8mL of acetic acid and 12-16mL of water into 80mL of ethanol, and uniformly stirring to obtain a mixture B;

s3: adding the mixture A into the mixture B, and uniformly stirring to obtain a mixture C;

s4: coating the mixture C on the surface of a glass ware made of a common glass material, taking out the mixture C, and roasting the mixture C for 3 to 6 hours at the temperature of 450-520 ℃ to obtain a pretreated glass ware;

s5: and (3) putting the pretreated glassware and the mixture C into an autoclave, and carrying out heat preservation for 5-8h at the temperature of 140 ℃ and 180 ℃ to obtain the water-proof glassware.

Preferably, in the above manufacturing process of the water-proof glassware, step S1 is: 0.5g of triton X-100 is added into 80mL of ethanol, 22mL of n-butyl titanate is added, and the mixture is uniformly mixed to obtain a mixture A.

Preferably, in the above manufacturing process of the water-proof glassware, step S2 is: 6mL of acetic acid and 14mL of water were added to 80mL of ethanol and stirred well to obtain a mixture B.

Preferably, in the above manufacturing process of the water-proof glassware, step S3 is: and dropwise adding the mixture A into the mixture B, and stirring at 600r/min for 25min to obtain a mixture C.

Preferably, in the above manufacturing process of the water-proof glassware, step S4 is: and coating the mixture C on the surface of a glassware made of a common glass material, taking out the glassware, and roasting the glassware for 4 hours at 510 ℃ to obtain the pretreated glassware.

Preferably, in the above manufacturing process of the water-proof glassware, step S5 is: and (3) putting the pretreated glassware and the mixture C into an autoclave, and preserving heat for 6 hours at the temperature of 160 ℃ to obtain the water-stain-proof glassware.

Further, the manufacturing process of the water-proof glassware includes step S6 after step S5, specifically, a layer of methyl silicone oil solution is coated on the surface of the glassware obtained in step S5, and then the glassware is dried in a vacuum drying oven at 85 ℃ for 3 hours to obtain the water-proof glassware.

Preferably, in the manufacturing process of the waterproof glassware, the methyl silicone oil solution is a mixture of polydimethylsiloxane and acetone according to a mass ratio of 1: 19.

Further, the water stain-proof glassware is prepared by the manufacturing process of the water stain-proof glassware.

The manufacturing process of the water-proof glassware provided by the invention comprises the steps of taking n-butyl titanate as a precursor, ethanol as a solvent and acetic acid as a chelating agent, obtaining a titanium dioxide sol with fine and uniform particles through condition optimization, further attaching titanium dioxide particles to the surface of the glassware through roasting, and further growing in a high-pressure kettle to obtain the glassware with a titanium dioxide layer attached to the surface. The contact angle tests show that the contact angles of the glassware obtained by the method are all larger than 90 degrees. As further optimization, the surface is coated with a layer of methyl silicone oil solution, so that the anti-wetting performance can be further improved.

Has the advantages that: compared with the prior art, the contact angle between the surface of the water stain-proof glassware provided by the invention and water is larger than 90 degrees, and water drops are easy to roll on the surface and difficult to adhere to the surface of the water drop-proof glassware, so that the water stain-proof effect is realized; the manufacturing process of the water stain resistant glassware has the advantages of wide material source, low cost and simple operation.

Detailed Description

The invention will be further illustrated by the following specific examples, which are given for the purpose of illustration only and are not intended to be limiting.