CN219191525U

CN219191525U - Anti-radiation antistatic composite board

Info

Publication number: CN219191525U
Application number: CN202223500923.2U
Authority: CN
Inventors: 常延波; 常任航
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-16
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a radiation-proof antistatic composite board, which comprises a plurality of material layers which are sequentially overlapped and mutually non-overlapped, wherein the periphery of the plurality of material layers is coated with a curing layer which is formed by a vacuum mold thermal curing process and is obtained by the reaction of epoxy resin and a curing agent, the curing layer is used for enveloping the plurality of material layers, the plurality of material layers comprise a PVC foam board interlayer, a metal cloth fiber layer, a glass fiber layer and a carbon fiber layer which are sequentially overlapped on the front surface of the PVC foam board interlayer, and a glass fiber layer which is overlapped on the back surface of the PVC foam board interlayer. Compared with the traditional heavy protection mode, the utility model has the advantages of lighter weight, more convenience, easy molding and the like, saves the cost and increases the safety.

Description

Anti-radiation antistatic composite board

Technical Field

The utility model relates to the technical field of composite boards, in particular to a radiation-proof antistatic composite board.

Background

As is well known, the composite board is a board formed by layering different materials with different functions, and at present, no radiation-proof antistatic composite board is truly available in places such as hospitals, radioactive sites, laboratories and the like, ionization radiation places or static high-risk places, but a relatively heavy lead board is generally used as the radiation-proof board to reduce the injury to workers in the places, but the high cost and the inconvenience of use of the lead board are unfavorable for practical production and living application.

Disclosure of Invention

In order to solve the problems, the utility model provides the anti-radiation anti-static composite board which can provide good anti-static and anti-radiation effects, has the advantages of lighter weight, more convenience, easiness in forming and the like compared with the traditional heavy protection mode, and saves cost and increases safety.

The technical scheme adopted by the utility model is as follows: the utility model provides an anti-radiation antistatic composite sheet, includes the stack in proper order, each other does not have overlap joint multilayer material layer, and the cladding has the solidification layer that forms through vacuum mould thermosetting process and obtain by epoxy and curing agent reaction around the multilayer material layer, and the solidification layer envelops multilayer material layer in inside, and multilayer material layer includes PVC foam board intermediate layer to and metal cloth fibrous layer, glass fibrous layer and the carbon fiber layer of stack in proper order in the front of PVC foam board intermediate layer still include the glass fibrous layer of stack in the reverse side of PVC foam board intermediate layer.

As a further limitation to the above technical scheme, the PVC foam board interlayer is disposed at the center of the multi-layer material layer, and the glass fiber layer, the metal cloth fiber layer, the glass fiber layer and the carbon fiber layer are sequentially stacked on the front and back surfaces of the PVC foam board interlayer.

As a further limitation to the technical scheme, the epoxy resin is selected from epoxy resin added with conductive powder and radiation-resistant powder; or sequentially adding conductive powder and radiation-resistant powder when the layers of the multi-layer material are stacked.

As a further limitation to the above technical scheme, the conductive powder and the radiation-resistant powder are at least one of conductive mica powder, titanium dioxide, barium sulfate powder and lead powder.

As a further limitation to the technical scheme, the PVC foam board interlayer has the selected density of 0.05g/cm ³ ～0.15g/cm ³ 。

As a further limitation to the technical scheme, the inner part of the PVC foam board interlayer is uniformly perforated, and grooves are formed on the outer surface of the PVC foam board interlayer at intervals.

As a further limitation to the above technical solution, the metal cloth fiber layer is selected from stainless steel fiber cloth, silver fiber cloth, or lead fiber cloth.

As a further limitation to the above technical solution, the carbon fiber layer is made of carbon fiber with carbon content of ninety percent or more.

According to the anti-radiation antistatic composite board, the multi-layer material layers which are overlapped in sequence and are not overlapped with each other are coated on the periphery of the multi-layer material layers, the curing layers which are formed through a vacuum mold thermal curing process and are obtained through the reaction of epoxy resin and curing agent are enveloped in the curing layers, so that the composite board is easy to form and convenient to operate, meanwhile, the multi-layer material layers comprise the PVC foam board interlayer, the metal cloth fiber layer, the glass fiber layer and the carbon fiber layer which are overlapped in sequence on the front surface of the PVC foam board interlayer, and the glass fiber layer which is overlapped on the back surface of the PVC foam board interlayer, so that the composite board has the characteristics of high toughness, high strength, light weight, corrosion resistance, antioxidation and the like, meets the antistatic and anti-radiation requirements while saving the cost, can effectively solve the problems of harmful static electricity, electromagnetic wave radiation, inconvenient use and the like in production and life, and has good effects on the antistatic protection of inflammable and explosive products in high-risk industries and electromagnetic radiation protection in life, and also has remarkable protection effects on ionizing radiation which are harmful.

Drawings

FIG. 1 is a schematic structural view of a first radiation-proof antistatic composite board according to the present utility model;

fig. 2 is a schematic structural view of a second radiation-proof antistatic composite board according to the present utility model.

In the figure:

1-solidifying layer, 2-carbon fiber layer, 3-glass fiber layer, 4-metal cloth fiber layer and 5-PVC foam board interlayer.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Examples

The utility model provides an anti-radiation antistatic composite sheet, is shown in figure 1, it includes the multilayer material layer that stacks in proper order, each other do not overlap joint, the cladding is formed through vacuum mould thermosetting technology (also known as vacuum plastic molding technology) around the multilayer material layer, and the solidification layer 1 that obtains by epoxy and curing agent reaction, solidification layer 1 envelops the multilayer material layer in, the multilayer material layer includes PVC foam board intermediate layer 5, and metal cloth fibrous layer 4, glass fibrous layer 3 and carbon fibrous layer 2 that stack in proper order in the front of PVC foam board intermediate layer 5, still include glass fibrous layer 3 that stacks in the reverse side of PVC foam board intermediate layer 5.

Through the multilayer material layers that overlap joint each other in proper order, the cladding has the solidified layer 1 that forms through vacuum mould thermosetting process and obtain by epoxy and curing agent reaction all around the multilayer material layer, solidified layer 1 is enveloped in the multilayer material layer, and make the composite sheet easy shaping, simple operation, simultaneously, the multilayer material layer includes PVC foam board intermediate layer 5 to and metal cloth fibrous layer 4, glass fibrous layer 3 and carbon fiber layer 2 that overlap gradually in the front of PVC foam board intermediate layer 5, still include the glass fibrous layer 3 that overlap in the reverse side of PVC foam board intermediate layer 5, can satisfy antistatic, radiation protection demand when practicing thrift the cost, and the quality is light, easy to use.

Specifically, the periphery of the multi-layer material layer is coated with a curing layer 1 formed by a vacuum mold thermal curing process and obtained by reacting epoxy resin with a curing agent, in order to enhance the anti-radiation and antistatic effects, the epoxy resin is selected from epoxy resin added with conductive powder and anti-radiation powder, or the conductive powder and the anti-radiation powder are sequentially added when the layers of the multi-layer material layer are stacked, namely, when the metal cloth fiber layer 4, the glass fiber layer 3, the carbon fiber layer 2, the glass fiber layer 3 and the like are stacked, the conductive powder and the anti-radiation powder are sequentially added to the layers. In the embodiment, at least one of conductive mica powder, titanium dioxide, barium sulfate powder and lead powder is selected as the conductive powder and the anti-radiation powder, and the experiment shows that the protective effect is better when the lead powder is selected in the electromagnetic radiation place. Specifically, the addition ratio of the conductive mica powder, the titanium dioxide powder and the barium sulfate powder is controlled to be 3% -10%, the curing layer 1 encapsulates the multi-layer material layer, and the multi-layer material layer comprises the PVC foam board interlayer 5, so that the effects of sound insulation, shock absorption, light weight, weight reduction, heat preservation and the like are achieved, and in the embodiment, the density of the PVC foam board interlayer 5 is 0.05g/cm ³ ～0.15g/cm ³ Meanwhile, the inner part of the PVC foam board interlayer 5 is uniformly perforated, grooves are formed in the outer surface of the PVC foam board interlayer at intervals, and weight can be minimized on the premise of guaranteeing flexible selectivity of quality and thickness.

As shown in fig. 2, in a special application occasion, in order to make the radiation protection and antistatic effect better, the PVC foam board interlayer 5 is disposed at the center of the multi-layer material layer, and the glass fiber layer 3, the metal cloth fiber layer 4, the glass fiber layer 3 and the carbon fiber layer 2 are sequentially stacked on the front and back surfaces of the PVC foam board interlayer 5, specifically, the metal cloth fiber layer 4 is made of stainless steel fiber cloth, silver fiber cloth or lead fiber cloth, so as to enhance the overall toughness, and simultaneously, the metal cloth interlayer has the effects of conducting, shielding electromagnetic ionization and antistatic, and the immediately adjacent metal cloth fiber layer 4 is the glass fiber layer 3, and has high mechanical strength and high corrosion resistance, and the metal cloth fiber layer 4 and the glass fiber layer 3 are sandwiched by two layers of glass fiber layers 4 so as to have the integrity so as to avoid delamination. The carbon fiber layer 2 is made of carbon fiber with carbon content of ninety percent, has good conductive effect and antistatic property, is used as an external supporting layer except the solidified layer 1 due to high strength, and has the characteristics of corrosion resistance, abrasion resistance, high temperature resistance, light weight and the like besides the carbon fiber layer 2.

The following is the data comparison obtained by QA063 nuclear radiation and electromagnetic radiation detector under each state, and the conductivity of the composite board surface detected by the metal fiber detection pen, and the following table is shown:

in the specific production process, the preparation method comprises the following steps,

(1) Preparing a die and a bag film; the diversion trench of the die is cleaned up and has no residue; checking the sealing rubber strip of the die, and detecting whether foreign matters and damages are avoided; checking the bag film without damage;

(2) Overlapping the layers of the multi-layer material layer onto the mould in sequence without overlapping;

(3) Paving a diversion net;

(4) Confirming that no gap exists between the bag film and the mold, and confirming that no gap exists between the upper mold and the lower mold;

(5) Vacuumizing the die by using vacuum equipment to ensure that the negative air pressure reaches 0.1Mpa;

(6) The epoxy resin is added with a curing agent according to a proportion and uniformly flows into the die through the diversion net;

(7) After the epoxy resin is pumped in, the mold is ensured to be sealed completely, and the internal negative pressure is sealed and solidified after not lower than 0.09 Mpa;

(8) The radiation-proof antistatic composite board is formed through a vacuum mold heat curing process, and the curing layer 1 is obtained through the reaction of epoxy resin and a curing agent, and the curing layer 1 encapsulates the multi-layer material layer to form the radiation-proof antistatic composite board.

The solidified layer also has a certain waterproof effect, and optionally, the demolded composite board is polished and then is sprayed with epoxy resin or antistatic epoxy resin coating, so that the brightness and the conductivity of the composite board are increased, and the occurrence of ultraviolet irradiation cracking problem can be reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should substitute or change the technical solution according to the technical concept of the present utility model, to cover the scope of the present utility model.

Claims

1. The utility model provides an anti-radiation antistatic composite sheet which characterized in that: the PVC foam board comprises a plurality of material layers which are sequentially overlapped and mutually non-overlapped, wherein the periphery of the plurality of material layers is coated with a curing layer which is formed by a vacuum mold thermal curing process and is obtained by the reaction of epoxy resin and a curing agent, the curing layer is used for enveloping the plurality of material layers, the plurality of material layers comprise a PVC foam board interlayer, a metal cloth fiber layer, a glass fiber layer and a carbon fiber layer which are sequentially overlapped on the front surface of the PVC foam board interlayer, and the PVC foam board also comprises a glass fiber layer which is overlapped on the back surface of the PVC foam board interlayer.

2. The radiation-resistant antistatic composite panel of claim 1, wherein: the PVC foam board interlayer is arranged at the center of the multi-layer material layer, and the glass fiber layer, the metal cloth fiber layer, the glass fiber layer and the carbon fiber layer are sequentially stacked on the front surface and the back surface of the PVC foam board interlayer.

3. The radiation-resistant antistatic composite panel of claim 1, wherein: the epoxy resin is selected from epoxy resin added with conductive powder and radiation-resistant powder; or sequentially adding conductive powder and radiation-resistant powder when the layers of the multi-layer material are stacked.

4. A radiation-protective antistatic composite panel according to claim 3, wherein: the conductive powder and the radiation-resistant powder are at least one of conductive mica powder, titanium dioxide, barium sulfate powder and lead powder.

5. The radiation-resistant antistatic composite panel of claim 1, wherein: the PVC foam board is laminatedThe density of the product is 0.05g/cm ³ ～0.15g/cm ³ 。

6. The radiation-resistant antistatic composite panel of claim 1, wherein: the inside of PVC foam board intermediate layer evenly punches and the surface interval is equipped with the recess.

7. The radiation-resistant antistatic composite panel of claim 1, wherein: the metal cloth fiber layer is made of stainless steel fiber cloth, silver fiber cloth or lead fiber cloth.

8. The radiation-resistant antistatic composite panel of claim 1, wherein: the carbon fiber layer is made of carbon fiber with carbon content of ninety percent.