阅读说明：本技术 一种pvc复合材料保温板及其制备方法 (PVC composite material insulation board and preparation method thereof ) 是由 陈秀清 韩雪晴 陈恺毅 于 2021-11-12 设计创作，主要内容包括：本发明公开了一种PVC复合材料保温板,包括保温板本体,所述保温板本体包括工字型框架、石墨板层、发泡棉层、玻璃棉层、PVC塑料板层和弧形硅胶垫片,所述第一安装凹槽内部设置有石墨板层和发泡棉层,所述第二安装凹槽内部设置有玻璃棉层和PVC塑料板层,所述玻璃棉层和PVC塑料板层之间形成有中空腔,所述中空腔内部均匀设置有弧形硅胶垫片；本发明通过弧形硅胶垫片将浸入的热量扩大开,并将扩散开的热量传递给PVC塑料板层,通过PVC塑料板层将多余的热量隔离开,避免热量浸入到室内,从而起到很好的保温隔热效果,避免外界的高温热空气浸入到室内,避免室内的温度过高,方便了人们的生活。(The invention discloses a PVC composite material heat-insulating plate which comprises a heat-insulating plate body, wherein the heat-insulating plate body comprises an I-shaped frame, a graphite plate layer, a foaming cotton layer, a glass cotton layer, a PVC plastic plate layer and an arc silica gel gasket; according to the invention, the immersed heat is expanded through the arc-shaped silica gel gasket, the expanded heat is transferred to the PVC plastic plate layer, and the redundant heat is isolated through the PVC plastic plate layer, so that the heat is prevented from being immersed indoors, a good heat preservation and insulation effect is achieved, the external high-temperature hot air is prevented from being immersed indoors, the indoor temperature is prevented from being too high, and the life of people is facilitated.)

1. The utility model provides a PVC combined material heated board, includes heated board body (10), its characterized in that: the insulation board body (10) comprises an I-shaped frame (11), a graphite plate layer (12), a foaming cotton layer (13), a glass cotton layer (14), a PVC plastic plate layer (15) and an arc silica gel gasket (17), a first mounting groove is formed in one side of the I-shaped frame (11), a second mounting groove is formed in the other side of the I-shaped frame (11), the graphite plate layer (12) and the foaming cotton layer (13) are arranged in the first mounting groove, the glass cotton layer (14) and the PVC plastic plate layer (15) are arranged in the second mounting groove, a hollow cavity (16) is formed between the glass cotton layer (14) and the PVC plastic plate layer (15), and the arc silica gel gasket (17) is uniformly arranged in the hollow cavity (16).

2. The PVC composite insulation board according to claim 1, characterized in that: graphite sheet layer (12) bond in the outside of first mounting groove, foaming cotton layer (13) bond in the inboard of first mounting groove, it is fixed to bond between graphite sheet layer (12) and the foaming cotton layer (13).

3. The PVC composite insulation board according to claim 2, characterized in that: the glass wool layer (14) is bonded on the outer side of the second mounting groove, and the PVC plastic plate layer (15) is bonded on the inner side of the second mounting groove.

4. The PVC composite insulation board according to claim 3, characterized in that: arc silica gel gasket (17) evenly bond PVC plastics sheet layer (15) surface, arc silica gel gasket (17) are kept away from one side of PVC plastics sheet layer (15) with the cotton layer of glass (14) contact.

5. The PVC composite insulation board according to claim 4, characterized in that: the thickness dimension of the arc-shaped silica gel gasket (17) is the same as the width dimension of the hollow cavity (16).

6. The PVC composite insulation board according to claim 5, characterized in that: the arc silica gel gasket is composed of the following materials in parts by weight: 35-40 parts of silica gel, 10-15 parts of nylon, 10-15 parts of carbon fiber, 3-6 parts of polyamide resin, 3-6 parts of water glass water-soluble silicate and 1-4 parts of silane coupling agent.

7. The PVC composite insulation board according to claim 6, characterized in that: the preparation method of the arc silica gel gasket comprises the following steps:

step one, respectively weighing silica gel, nylon, polyamide resin and water glass water-soluble silicate according to parts by weight, then sequentially adding the weighed silica gel, nylon, polyamide resin and water glass water-soluble silicate into a reaction kettle, then adjusting the temperature of the reaction kettle to 300-350 ℃, and stirring and mixing under a high-temperature condition;

step two, weighing carbon fibers according to the parts by weight, then adding the weighed carbon fibers into a reaction kettle at the high temperature of 300-350 ℃, and continuously stirring 15-20 parts by using the reaction kettle;

weighing the silane coupling agent according to the weight part, adding the weighed silane coupling agent into a reaction kettle at the high temperature of 300-350 ℃, stirring for 20-25 minutes at the high temperature, adjusting the temperature of the reaction kettle to 75-85 ℃, and continuously stirring for 35-40 minutes by using the reaction kettle;

and step four, adding the mixed material obtained in the step three into an arc-shaped silica gel gasket mold, and performing injection molding through the mold to obtain the arc-shaped silica gel gasket.

8. The preparation method of the PVC composite material insulation board according to any one of claims 1 to 7, characterized by comprising the following steps:

s1, selecting an I-shaped frame which meets the requirement, and cleaning the first mounting groove and the second mounting groove on the two sides of the I-shaped frame;

s2, bonding the foam cotton layer on the inner side of the first mounting groove, bonding the graphite plate layer on the outer side of the first mounting groove, and uniformly coating adhesive on the inner side of the graphite plate layer to bond the graphite plate layer and the foam cotton layer together;

s3, bonding the PVC plastic plate layer on the inner side of the second mounting groove, then uniformly bonding the arc-shaped silica gel gasket on the surface of the PVC plastic plate layer, bonding the glass cotton layer on the outer side of the second mounting groove, and enabling the inner side of the glass cotton layer to be in contact with the arc-shaped silica gel gasket, thereby obtaining the PVC composite material insulation board.

Technical Field

The invention relates to the technical field of insulation boards, in particular to a PVC composite material insulation board and a preparation method thereof.

Background

The heat insulation board is a board for heat insulation of a building, which is popular and easy to understand; the heat-insulating board is a hard foamed plastic board made up by using polystyrene resin as raw material, adding other raw auxiliary materials and polymer, heating, mixing and simultaneously injecting catalyst, then extruding and forming, and has the functions of resisting moisture and resisting water, and can reduce the thickness of exterior enclosure structure of building so as to increase indoor use area.

Although the existing PVC heat-insulation board can play a role in heat insulation, the heat insulation effect is limited, and when the external temperature is too high, the external hot air can be immersed into the room, so that the indoor temperature is too high, and the normal life of people is influenced.

Disclosure of Invention

The invention aims to provide a PVC composite material insulation board and a preparation method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PVC combined material heated board, includes the heated board body, the heated board body includes I shape frame, graphite sheet layer, the cotton layer of foaming, the cotton layer of glass, PVC plastics sheet layer and arc silica gel gasket, first mounting groove has been seted up to I shape frame one side, the second mounting groove has been seted up to I shape frame opposite side, the inside graphite sheet layer and the cotton layer of foaming that is provided with of first mounting groove, the inside cotton layer of glass and the PVC plastics sheet layer that is provided with of second mounting groove, be formed with well cavity between the cotton layer of glass and the PVC plastics sheet layer, well cavity inside evenly is provided with arc silica gel gasket.

The graphite plate layer is bonded on the outer side of the first mounting groove, the foam cotton layer is bonded on the inner side of the first mounting groove, and the graphite plate layer and the foam cotton layer are fixedly bonded.

The glass wool layer is bonded on the outer side of the second mounting groove, and the PVC plastic board layer is bonded on the inner side of the second mounting groove.

The PVC plastic plate layer is characterized in that the arc-shaped silica gel gasket is uniformly bonded to the surface of the PVC plastic plate layer, and one side of the arc-shaped silica gel gasket, which is far away from the PVC plastic plate layer, is in contact with the glass wool layer.

The thickness dimension of the arc-shaped silica gel gasket is the same as the width dimension of the hollow cavity.

The arc silica gel gasket is composed of the following materials in parts by weight: 35-40 parts of silica gel, 10-15 parts of nylon, 10-15 parts of carbon fiber, 3-6 parts of polyamide resin, 3-6 parts of water glass water-soluble silicate and 1-4 parts of silane coupling agent.

The preparation method of the arc-shaped silica gel gasket comprises the following steps:

step one, respectively weighing silica gel, nylon, polyamide resin and water glass water-soluble silicate according to parts by weight, then sequentially adding the weighed silica gel, nylon, polyamide resin and water glass water-soluble silicate into a reaction kettle, then adjusting the temperature of the reaction kettle to 300-350 ℃, and stirring and mixing under a high-temperature condition;

step two, weighing carbon fibers according to the parts by weight, then adding the weighed carbon fibers into a reaction kettle at the high temperature of 300-350 ℃, and continuously stirring 15-20 parts by using the reaction kettle;

weighing the silane coupling agent according to the weight part, adding the weighed silane coupling agent into a reaction kettle at the high temperature of 300-350 ℃, stirring for 20-25 minutes at the high temperature, adjusting the temperature of the reaction kettle to 75-85 ℃, and continuously stirring for 35-40 minutes by using the reaction kettle;

and step four, adding the mixed material obtained in the step three into an arc-shaped silica gel gasket mold, and performing injection molding through the mold to obtain the arc-shaped silica gel gasket.

A preparation method of a PVC composite material insulation board comprises the following steps:

s1, selecting an I-shaped frame which meets the requirement, and cleaning the first mounting groove and the second mounting groove on the two sides of the I-shaped frame;

s2, bonding the foam cotton layer on the inner side of the first mounting groove, bonding the graphite plate layer on the outer side of the first mounting groove, and uniformly coating adhesive on the inner side of the graphite plate layer to bond the graphite plate layer and the foam cotton layer together;

s3, bonding the PVC plastic plate layer on the inner side of the second mounting groove, then uniformly bonding the arc-shaped silica gel gasket on the surface of the PVC plastic plate layer, bonding the glass cotton layer on the outer side of the second mounting groove, and enabling the inner side of the glass cotton layer to be in contact with the arc-shaped silica gel gasket, thereby obtaining the PVC composite material insulation board.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the hollow cavity is formed by the PVC plastic plate layer and the glass cotton layer, the arc-shaped silica gel gaskets are uniformly arranged in the hollow cavity, when the outdoor temperature is too high, the external hot air is transmitted to the surface of the heat insulation plate, then the glass cotton layer absorbs heat, meanwhile, the redundant heat is immersed in the heat insulation plate, then the immersed heat is expanded by the arc-shaped silica gel gaskets, the expanded heat is transmitted to the PVC plastic plate layer, the redundant heat is isolated by the PVC plastic plate layer, the heat is prevented from being immersed in the room, thus a good heat insulation effect is achieved, the external high-temperature hot air is prevented from being immersed in the room, the too high indoor temperature is avoided, and the life of people is facilitated.

Drawings

FIG. 1 is a schematic side view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In FIGS. 1-2: 10. a heat insulation board body; 11. an I-shaped frame; 12. a graphite sheet layer; 13. a foamed cotton layer; 14. a glass wool layer; 15. a PVC plastic sheet layer; 16. a hollow cavity; 17. arc silica gel gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In an embodiment, referring to fig. 1-2, the present invention provides a technical solution: the PVC composite material heat-insulating plate comprises a heat-insulating plate body 10, wherein the heat-insulating plate body 10 comprises an I-shaped frame 11, a graphite plate layer 12, a foamed cotton layer 13, a glass cotton layer 14, a PVC plastic plate layer 15 and an arc-shaped silica gel gasket 17.

Wherein, I-shaped frame 11 one side has been seted up first mounting groove, and I-shaped frame 11 opposite side has been seted up the second mounting groove, and first mounting groove is inside to be provided with graphite board layer 12 and foam layer 13, and second mounting groove is inside to be provided with cotton layer 14 of glass and PVC plastic sheet layer 15, is formed with between cotton layer 14 of glass and the PVC plastic sheet layer 15 and caves in the cavity 16, and the cavity 16 is inside evenly to be provided with arc silica gel gasket 17.

Wherein, graphite plate layer 12 bonds in the outside of first mounting groove, and foam layer 13 bonds in the inboard of first mounting groove, and graphite plate layer 12 bonds fixedly with foam layer 13 between.

Wherein, the cotton layer of glass 14 bonds in the outside of second mounting groove, and PVC plastic sheet layer 15 bonds in the inboard of second mounting groove.

Wherein, arc silica gel gasket 17 evenly bonds on PVC plastic sheet layer 15 surface, and arc silica gel gasket 17 keeps away from one side of PVC plastic sheet layer 15 and the cotton layer of glass 14 contact.

Wherein, the thickness dimension of arc silica gel gasket 17 is the same with the width dimension of cavity 16.

The I-shaped frame 11 is made of stainless steel, the I-shaped frame 11 with an I-shaped structure is made of stainless steel, and the I-shaped frame 11 is used as a main body supporting structure of the heat insulation board.

The graphite plate layer 12 has good high temperature resistance, acid resistance and alkali corrosion resistance, and the graphite plate layer 12 is arranged in the first mounting groove, so that the high temperature resistance, acid resistance and alkali corrosion resistance of the insulation board body 10 can be improved.

The foamed cotton layer 13 has good corrosion resistance, heat insulation performance and sound insulation performance.

Wherein, the glass wool layer 14 has the characteristics of thermal conductivity , good heat preservation and insulation performance, good sound absorption performance and good corrosion resistance.

Wherein, the PVC plastic plate layer 15 has better cold resistance, wear resistance, acid resistance, alkali resistance, corrosion resistance and tear resistance.

The arc silica gel gasket is composed of the following materials in parts by weight: 35-40 parts of silica gel, 10-15 parts of nylon, 10-15 parts of carbon fiber, 3-6 parts of polyamide resin, 3-6 parts of water glass water-soluble silicate and 1-4 parts of silane coupling agent.

The preparation method of the arc-shaped silica gel gasket comprises the following steps:

step one, respectively weighing silica gel, nylon, polyamide resin and water glass water-soluble silicate according to parts by weight, then sequentially adding the weighed silica gel, nylon, polyamide resin and water glass water-soluble silicate into a reaction kettle, then adjusting the temperature of the reaction kettle to 300-350 ℃, and stirring and mixing under a high-temperature condition;

step two, weighing carbon fibers according to the parts by weight, then adding the weighed carbon fibers into a reaction kettle at the high temperature of 300-350 ℃, and continuously stirring 15-20 parts by using the reaction kettle;

weighing the silane coupling agent according to the weight part, adding the weighed silane coupling agent into a reaction kettle at the high temperature of 300-350 ℃, stirring for 20-25 minutes at the high temperature, adjusting the temperature of the reaction kettle to 75-85 ℃, and continuously stirring for 35-40 minutes by using the reaction kettle;

and step four, adding the mixed material obtained in the step three into an arc-shaped silica gel gasket mold, and performing injection molding through the mold to obtain the arc-shaped silica gel gasket.

A preparation method of a PVC composite material insulation board comprises the following steps:

s1, selecting an I-shaped frame which meets the requirement, and cleaning the first mounting groove and the second mounting groove on the two sides of the I-shaped frame;

s2, bonding the foam cotton layer on the inner side of the first mounting groove, bonding the graphite plate layer on the outer side of the first mounting groove, and uniformly coating adhesive on the inner side of the graphite plate layer to bond the graphite plate layer and the foam cotton layer together;

s3, bonding the PVC plastic plate layer on the inner side of the second mounting groove, then uniformly bonding the arc-shaped silica gel gasket on the surface of the PVC plastic plate layer, bonding the glass cotton layer on the outer side of the second mounting groove, and enabling the inner side of the glass cotton layer to be in contact with the arc-shaped silica gel gasket, thereby obtaining the PVC composite material insulation board.

Experimental examples, selecting experimental groups;

the PVC composite material heat-insulating board made by the embodiment is selected, the selected PVC composite material heat-insulating board is cut into 15 square heat-insulating boards with the surface size of 1 m multiplied by 1 m, the 15 heat-insulating boards are equally divided into 3 groups, the groups are marked as a group A, a group B and a group C respectively, each group comprises 5 heat-insulating boards, and the cut square heat-insulating boards are smooth in surface, seamless, free of corner falling and edge missing.

The cut 3-group-shaped heat-insulation boards are respectively subjected to heat conductivity coefficient (at the room temperature of 25 ℃), compressive strength, tensile strength, water absorption (volume fraction) and drying shrinkage value detection, and the detection results are recorded as follows:

it can be known from the above table that the thermal conductivity coefficient (at room temperature of 25 ℃), compressive strength, tensile strength, water absorption (volume fraction) and dry shrinkage value of the PVC composite insulation board prepared by the above embodiment all meet the requirements, the overall performance of the insulation board is improved, a hollow cavity is formed by the PVC plastic board layer and the glass wool layer, and the arc silica gel gasket is uniformly arranged in the hollow cavity, when the outdoor temperature is too high, the external hot air is transferred to the surface of the insulation board, then the glass wool layer absorbs heat, meanwhile, the redundant heat is immersed in the insulation board, then the immersed heat is expanded by the arc silica gel gasket, the expanded heat is transferred to the PVC plastic board layer, the redundant heat is isolated by the PVC plastic board layer, the heat is prevented from being immersed in the room, thereby achieving good heat insulation effect, and preventing the external high-temperature hot air from being immersed in the room, avoid the indoor temperature too high, made things convenient for people's life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.