CN216273897U

CN216273897U - Two-component silicone sealant structure

Info

Publication number: CN216273897U
Application number: CN202122447124.2U
Authority: CN
Inventors: 张国生; 黄志春; 何敬国; 何素婵
Original assignee: Guangdong Shengbaoda High Tech Co ltd
Current assignee: Guangdong Shengbaoda High Tech Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-12
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to the technical field of adhesives, in particular to a two-component silicone sealant structure which comprises a base layer, a sound insulation layer, a flame retardant layer, a puncture-proof layer and a surface layer, wherein a groove is formed in the top surface of the base layer, the sound insulation layer is filled and bonded in the groove, the flame retardant layer is coated on the top surface of the base layer, the puncture-proof layer is bonded on the top surface of the flame retardant layer, and the surface layer is coated on the top surface of the puncture-proof layer; the adhesive layer has sound insulation and flame retardant properties by arranging the sound insulation layer and the flame retardant layer, so that the using effect of the adhesive layer is improved; in addition, through being equipped with and preventing the puncture layer, further improve the puncture-proof ability of glue film, improve the quality of glue film, prolong the result of use of sealed glue.

Description

Two-component silicone sealant structure

Technical Field

The utility model relates to the technical field of adhesives, in particular to a two-component silicone sealing adhesive structure.

Background

Silicone gel is a paste-like material that cures to a tough, rubbery solid upon exposure to air moisture. Mainly comprises a deacetylated type, a dealcoholized type, a deaminated type and a depropanated type. Silicone glue is commonly referred to as glass glue because it is commonly used for bonding and sealing glass.

The silicone glass cement has the characteristics of strong bonding force, high tensile strength, weather resistance, vibration resistance, moisture resistance, odor resistance and large adaptability to cold and heat changes. In addition, the wide applicability of the adhesive can realize the adhesion among most building material products, so the application value is very high.

In the using process of the silicone sealant, the silicone sealant forms a glue layer structure after being cured, and the glue layer structure mainly has the following problems: the adhesive layer does not have sound insulation and flame retardant properties, when a fire disaster occurs, the adhesive layer is easily burnt, dense smoke is further permeated, external sound is transmitted to the inside through a glass gap and the adhesive layer, noise is more, and the using effect of the adhesive layer is reduced; in addition, the anti-puncture ability of the adhesive layer is not enough, so that the quality of the adhesive layer is reduced, and the service life of the sealant is further shortened.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a two-component silicone sealant structure which can effectively solve the problems in the background technology after being improved.

The technical scheme of the utility model is as follows:

a two-component silicone sealant structure is characterized in that: it includes basic unit, puigging, fire-retardant layer, prevents impaling layer and surface course, the top surface of basic unit is provided with the recess, the intussuseption of recess is filled with and is bonded with the puigging, the top surface coating of basic unit has fire-retardant layer, the top surface bonding of fire-retardant layer has prevents the impaling layer, the top surface coating on preventing the impaling layer has the surface course.

Further, the top surface of the soundproof layer is flush with the top surface of the base layer.

Furthermore, the base layer and the surface layer are both double-component silicone sealant layers.

Further, the thickness of the base layer is twice that of the surface layer.

Further, the soundproof layer is a soundproof cotton layer.

Further, the flame-retardant layer is a flame retardant layer.

Furthermore, the anti-puncturing layer is a hard PVC net layer.

The utility model has the beneficial effects that: the adhesive layer has sound insulation and flame retardant properties by arranging the sound insulation layer and the flame retardant layer, so that the using effect of the adhesive layer is improved; in addition, through being equipped with and preventing the puncture layer, further improve the puncture-proof ability of glue film, improve the quality of glue film, prolong the result of use of sealed glue.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure, 1, base layer; 2. a sound insulating layer; 3. a flame retardant layer; 4. a puncture-resistant layer; 5. a surface layer; 6. and (4) a groove.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1, a two-component silicone sealant structure comprises a base layer 1, a sound insulation layer 2, a flame retardant layer 3, a puncture-proof layer 4 and a surface layer 5, wherein a groove 6 is formed in the top surface of the base layer 1, the sound insulation layer 2 is filled and bonded in the groove 6, the flame retardant layer 3 is coated on the top surface of the base layer 1, the puncture-proof layer 4 is bonded on the top surface of the flame retardant layer 3, and the surface layer 5 is coated on the top surface of the puncture-proof layer 4.

The top surface of the soundproof layer 2 is flush with the top surface of the base layer 1.

The base layer 1 and the surface layer 5 are both double-component silicone sealant layers.

The thickness of the base layer 1 is twice the thickness of the face layer 5.

And the sound insulation layer 2 is a sound insulation cotton layer.

The flame-retardant layer 3 is a flame retardant layer.

The anti-puncturing layer 4 is a hard PVC net layer.

In the utility model, the two-component silicone sealant adopts two-component silicone sealant containing inorganic filler, and the formula of the two-component silicone sealant is as follows: the component A comprises: 30% of 107-base glue (hydroxyl-terminated polymethylsiloxane), 20% of dimethyl silicone oil, 20% of 960 nanometer active calcium carbonate, 20% of SPOD01 modified fly ash and 10% of 868 heavy calcium.

And B component: 30% of carbon black, 15% of dimethyl silicone oil, 45% of 3# waterproofing agent (polymethyl triethoxy silane), 4.5% of KH550 (gamma-aminopropyl triethoxy silane) coupling agent, 4.5% of KH792 (N-aminoethyl-gamma-aminopropyl trimethoxy silane) coupling agent and 1% of D80 (dibutyltin dilaurate) catalyst.

The 107-base rubber is completely cured after the A and the B are mixed, and plays a role in an elastomer body and weather resistance; the dimethyl silicone oil plays a role in lubrication and infiltration; 960 nanometer active calcium carbonate plays a role in increment and semi-reinforcement; the SPOD01 modified fly ash plays roles in increment, weather resistance and reinforcement, and changes the property that the conventional powder does not have the weather resistance; the carbon black plays a role in coloring and reinforcing; the 3# waterproofing agent plays a role of network crosslinking, KH550 and KH792 play a role of adhesion enhancement, and D80 plays a role of solidification acceleration. (SPOD01 modified fly ash please refer to the utility model patent: CN 201910331659-a silicone sealant and its preparation method and application).

The preparation method comprises the following steps: the component A comprises: 1. firstly adding 107 base rubber and silicone oil, premixing, adjusting the rotating speed to 15Hz, and stirring for 5 minutes; 2. adding 960 nanometer active calcium powder, adjusting the rotation speed to 15Hz, stirring for 5 minutes, stopping the machine, adding SPOD01 modified fly ash and 868 heavy calcium, premixing for 5 minutes, stopping the machine, scraping a rod, starting the machine, stirring, adjusting the rotation speed to 40Hz, vacuumizing to-0.09 MPa, and timing for 35 minutes; 3. and stopping the machine and discharging.

And B component: 1. adding dimethyl silicone oil and a 3# waterproof agent, rotating at the speed of 12Hz, vacuumizing to 0.09MPa, and premixing for 5 minutes; 2. stopping the machine, adding carbon black, rotating at the speed of 15Hz, premixing for 5 minutes, stopping the machine, scraping a rod, starting the machine, adjusting the rotating speed to 35Hz, vacuumizing to-0.09 MPa, and timing for 40 minutes; 3. stopping the machine, throwing D80, KH550 and KH792, starting the machine, rotating at the speed of 30Hz, vacuumizing to-0.09 MPa, and timing for 25 minutes; 4. and stopping the machine and discharging.

Compared with the prior art, the SPOD01 modified fly ash replaces the traditional heavy calcium carbonate filler, enhances the weather resistance of the product, prolongs the service life of the product, does not increase the cost, and simultaneously treats the solid waste of the prior power plant and fertilizer plant and improves the environment.

The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed.

Claims

1. A two-component silicone sealant structure is characterized in that: it includes basic unit (1), puigging (2), fire-retardant layer (3), prevents puncturing layer (4) and surface course (5), the top surface of basic unit (1) is provided with recess (6), it has puigging (2) to pack to bond in recess (6), the top surface coating of basic unit (1) has fire-retardant layer (3), the top surface bonding of fire-retardant layer (3) has prevents puncturing layer (4), the top surface coating of preventing puncturing layer (4) has surface course (5).

2. The two-component silicone sealant structure of claim 1, wherein: the top surface of the sound insulation layer (2) is flush with the top surface of the base layer (1).

3. The two-component silicone sealant structure of claim 2, wherein: the base layer (1) and the surface layer (5) are both double-component silicone sealant layers.

4. The two-component silicone sealant structure of claim 3, wherein: the thickness of the base layer (1) is twice that of the surface layer (5).

5. The two-component silicone sealant structure according to claim 4, wherein: the soundproof layer (2) is a soundproof cotton layer.

6. The two-component silicone sealant structure of claim 5, wherein: the flame-retardant layer (3) is a flame retardant layer.

7. The two-component silicone sealant structure of claim 6, wherein: the anti-puncturing layer (4) is a hard PVC net layer.