CN208440547U - A kind of flame-proof PVC plastic sheet - Google Patents

Abstract

The utility model discloses a kind of flame-proof PVC plastic sheets, including PVC plastic ontology, the upper and lower surface of the PVC plastic ontology is coated with plastic flame oxidant layer, the PVC plastic ontology includes that several groups have mutually isostructural plastic monomer, the upper and lower surface of each plastic monomer is equipped with elastic flame layer, the elastic flame layer includes two layers of elastic memory band, the inside of two layers of elastic memory band is equipped with fire-retardant asbestos, several vertical flame-retardant layers are additionally provided with the vertical direction of elastic flame layer, each vertical flame-retardant layer includes support inner prop and talcum bisque, composite fibre glass layer is equipped between two adjacent support inner props, if being equipped with dry sliding friction block between the composite fibre glass layer and support inner prop；By the combined use of elastic flame layer and vertical flame-retardant layer, whole fire protection flame retarding ability can be increased, and can prevent the intensity of a fire from spreading along plastics, heat-resisting material is in addition added, further increase the heat-resisting ability of plastics.

Description

A kind of flame-proof PVC plastic sheet

Technical field

The utility model relates to plastic sheet technical field, specially a kind of flame-proof PVC plastic sheet.

Background technique

Fire-retardant science and technology is the needs in order to adapt to social safety production and life, and fire preventing occurs, and protects the people Lives and properties and a science to grow up are the substance that can increase high molecular material flame resistance, are mainly used for macromolecule Material such as plastics, rubber, fiber etc., and most of these materials can burn, especially plastics, are applied and are being handed over Logical transport, building, electrotechnical apparatus, aviation, space flight etc., it is felt to be desirable to solve its resistance to combustion problem.

In existing flame-proof PVC plastic sheet, it is generally adopted by plastic sheet production calender line, addition resistance Combustion agent, which is stirred, to be reconfigured, and plastics is made to have mobile fire retardancy, but this material is in actual application, fire-retardant Ability is limited, and heat-resisting ability is poor, can also burn in the case where long term high temperature calcination, can not play good fire protection flame retarding Effect.

Summary of the invention

In order to overcome the shortcomings of prior art, the utility model provides a kind of flame-proof PVC plastic sheet, passes through elasticity The combined use of flame-retardant layer and vertical flame-retardant layer can increase whole fire protection flame retarding ability, and the intensity of a fire can be prevented along plastics Sprawling, in addition adds heat-resisting material, further increases the heat-resisting ability of plastics, thus enhance fire resistance property, it can be effective Solve the problems, such as that background technique proposes.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of flame-proof PVC plastic sheet, a kind of flame-proof PVC plastic sheet, including PVC plastic ontology, the PVC plastic sheet The upper and lower surface of body is coated with plastic flame oxidant layer, and the PVC plastic ontology includes that several groups have mutually isostructural plastics Monomer, the upper and lower surface of each plastic monomer are equipped with elastic flame layer, and the elastic flame layer includes two layers of elasticity note Recall band, the inside of two layers of elastic memory band is equipped with fire-retardant asbestos, is additionally provided with the vertical direction of elastic flame layer several etc. The vertical flame-retardant layer of spacing distribution, each vertical flame-retardant layer include the talcum for supporting inner prop and being filled in support inner prop cavity Bisque, is equipped with composite fibre glass layer between two adjacent support inner props, the composite fibre glass layer and support inner prop it If dry sliding friction block is equipped between.

As the utility model a preferred technical solution, the surfaces externally and internally of the elastic memory band and support inner prop is equal It is coated with plastic flame oxidant layer.

As the utility model a preferred technical solution, the elastic memory band, support inner prop and plastic body Outer surface be additionally provided with heatproof spray-up, and the inside of plastic flame oxidant layer is arranged in the heatproof spray-up.

As the utility model a preferred technical solution, fire prevention is equipped between the support inner prop and elastic memory band Column, the outside and inside of the fire prevention column are equipped with quartz sand layer.

As the utility model a preferred technical solution, the two sides of the plastic monomer and single support inner prop are all provided with There is the V-type connecting plate of several equidistantly distributeds.

Compared with prior art, the utility model has the beneficial effects that the utility model is by elastic flame layer and vertically The combined use of flame-retardant layer can increase whole fire protection flame retarding ability, and can prevent the intensity of a fire from spreading along plastics, while not shadow Elongation at break, bending resistance, resistance to compression and the impact resistance for ringing plastic sheet entirety, in addition add heat-resisting material, further mention The heat-resisting ability of high plastics also improves the cut resistant ability of plastic sheet to enhance fire resistance property.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the utility model fire prevention upright post installation structure schematic diagram；

Figure label:

1-PVC plastic body；2- plastic flame oxidant layer；3- plastic monomer；4- elastic flame layer；The vertical flame-retardant layer of 5-；6- Heatproof spray-up；7- fire prevention column；8- quartz sand layer；9-V type connecting plate；

401- elastic memory band；The fire-retardant asbestos of 402-；501- supports inner prop；502- talcum bisque；503- compound glass is fine Tie up layer；504- sliding friction block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As depicted in figs. 1 and 2, the utility model provides a kind of flame-proof PVC plastic sheet, including PVC plastic ontology 1, The upper and lower surface of the PVC plastic ontology 1 is coated with plastic flame oxidant layer 2, and the plastic flame oxidant layer 2 is to apply fire retardant It overlays on PVC plastic ontology 1, realizes the effect of fire protection flame retarding.

It should be added that fire retardant can assign the functional aid of combustible polymers flame retardancy, primarily directed to The Principle And Method of Flame Retardation Design of high molecular material, there are many types for fire retardant, are divided into additive flame retardant by application method and response type hinders Agent is fired, the plastic flame oxidant layer 2 is mixed fire retardant with water in retardant solution, and the coating method of fire retardant can be leaching Apply, blade coating, spraying, brush or calendering in any one so that PVC plastic ontology 1 have certain thickness plastics resistance Oxidant layer 2 is fired, PVC plastic ontology 1 obtains flame retarding function.

It further illustrates, PVC plastic media sheet has also carried out flame retardant treatment during calendering, in plastic sheet Some fire retardants are added, are kneaded again in continuous calendering operation, fire-retardant chemicals is placed on inside material, re-works one Under, PVC plastic media sheet is inherently fire proofing, its main feature is that the ignition temperature point of the material improves, the speed of burning slows down, Fire proofing is a kind of protection materials, is the material that can prevent to burn and oneself be not easy to burning.

The PVC plastic ontology 1 includes that several groups have mutually isostructural plastic monomer 3, each plastic monomer 3 Upper and lower surface is equipped with elastic flame layer 4, and the elastic flame layer 4 includes two layers of elastic memory band 401, two layers of elasticity note The inside for recalling band 401 is equipped with fire-retardant asbestos 402, and elastic flame layer 4 separates two groups of plastic monomers 3 of arbitrary neighborhood, and bullet Property flame-retardant layer 4 itself have fire retardancy, can prevent the intensity of a fire along plastic monomer 3 spread occur fire, in entire PVC plastic sheet The horizontal direction of body 1 has multilayer elastic flame-retardant layer 4, increases whole fire-retardant fireproof ability.

Flexibility, elongation at break, the cold resistance that elastic memory band 401 can increase PVC plastic ontology 1 will increase, and not hinder Hindering the normal use of 1 ontology of PVC plastic ontology, the surfaces externally and internally of the elastic memory band 401 is coated with plastic flame oxidant layer 2, Elastic memory band 401 also has fire retardancy, and the fire-retardant asbestos 402 inside two layers of elastic memory band 401 can realize fire prevention.

It should be added that the fire retardant mechanism of fire-retardant asbestos 402 includes dilution, the accumulation of heat, thermally conductive, drop to high polymer Mild skin effect etc..For example, asbestos are a thermal conductivity low inert diluent at 900 DEG C or less, but 900 DEG C~ At 1400 DEG C, asbestos can release the crystallization water, and at 1400 DEG C or more, asbestos can change the endothermic reaction of chemical structure, and Certain components in asbestos are also possible to react to each other with certain thermal degradation products of high polymer, and at this moment asbestos just become activity and fill out Expect, fire-retardant asbestos 402 are to be led by low-heat, release three kinds of combination flame retardant properties of above-water method and absorbing and cooling temperature, play fire prevention resistance The function of combustion.

The vertical flame-retardant layer 5 of several equidistantly distributeds is additionally provided with the vertical direction of elastic flame layer 4, it is each described vertical Flame-retardant layer 5 includes support inner prop 501 and the talcum bisque 502 for being filled in support 501 cavity of inner prop, the plastic monomer 3 and list The two sides of a support inner prop 501 are equipped with the V-type connecting plate 9 of several equidistantly distributeds, vertical flame-retardant layer 5 and elastic flame layer 4 Matching uses, and plastic monomer 3 is divided into the identical rectangular block of several structures, and all have in four side lengths of rectangular block Fire protection flame retarding structure can further increase whole fire-retardant fireproof ability.

Support inner prop 501 can make plastics have preferable tension, bending resistance, resistance to compression and impact resistance, increase bearing capacity, The surfaces externally and internally of the support inner prop 501 is coated with plastic flame oxidant layer 2, while supporting inner prop 501 that can have fire retardancy, and And talcum bisque 502 is also fire proofing, and at high operating temperatures using safe.

If Plastics Combustion, V-type connecting plate 9 can play the role of guidance to the intensity of a fire, and the intensity of a fire is played vertical flame-retardant layer 5, To further strengthen fire protection flame retarding ability.

Composite fibre glass layer 503, the composite fibre glass layer 503 are equipped between two adjacent support inner props 501 If being equipped with dry sliding friction block 504 between support inner prop 501, composite fibre glass layer 503 increases the resistance to thermal energy of plastic sheet Power, and be also fire proofing, for sliding friction block 504 when plastic sheet is under the action of external force is cut, sliding friction block 504 can It is slided on support inner prop 501, to weaken cutting stress, improves the safety in utilization of plastic sheet.

It should be added that the good insulating of composite fibre glass layer 503, heat resistance are strong, corrosion resistance is good, it is mechanical Intensity is high, it be using glass marble or post-consumer glass as raw material through techniques systems such as high temperature melting, wire drawing, doff, woven fabrics caused by, The diameter of monofilament is several microns to twenties microns, is equivalent to the 1/20-1/5 of a hairline, every bundle fiber precursor is all Be made of hundreds of even thousands of monofilament, glass fibre is typically used as the reinforcing material in composite material, electrically insulating material and Heat-insulating material,

Between the support inner prop 501 and elastic memory band 401 be equipped with fire prevention column 7, it is described fire prevention column 7 outside and Inside is equipped with quartz sand layer 8, and fire prevention column 7 will support inner prop 501 and elastic memory band 401 to fix and support, while quartz sand Layer 8 has fire-proof insulation ability.

The outer surface of the elastic memory band 401, support inner prop 501 and plastic body 3 is additionally provided with heatproof spray-up 6, and And the inside of plastic flame oxidant layer 2 is arranged in the heatproof spray-up 6, heatproof spray-up 6 further increases fire resistance property, and heatproof The coating of spray-up 6 does not influence the whole elongation at break of plastic body 3 than relatively thin.

Refractory material typically refers to the inorganic material for being resistant to 1580 DEG C of temperatures above, generally uses quartz sand, clay, magnesite Mine, dolomite etc. are made raw material and are made, and thermostable heat-isolating coating is a kind of component inorganic coating, heatproof amplitude -80~ 1800 DEG C, thermal coefficient 0.03W/m.K, it can inhibit the heat radiation and conduction heat of high temp objects and cryogenic object, for high temperature Object can keep 70% heat not lose.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of flame-proof PVC plastic sheet, including PVC plastic ontology (1), it is characterised in that: the PVC plastic ontology (1) Upper and lower surface is coated with plastic flame oxidant layer (2), and the PVC plastic ontology (1) includes that several groups have mutually isostructural modeling The upper and lower surface of material list body (3), each plastic monomer (3) is equipped with elastic flame layer (4), the elastic flame layer (4) Including two layers of elastic memory band (401), the inside of two layers of elastic memory band (401) is equipped with fire-retardant asbestos (402), with elasticity The vertical direction of flame-retardant layer (4) is additionally provided with the vertical flame-retardant layer (5) of several equidistantly distributeds, each vertical flame-retardant layer (5) Including supporting inner prop (501) and being filled in the talcum bisque (502) of support inner prop (501) cavity, two adjacent support inner props (501) composite fibre glass layer (503) are equipped between, are set between the composite fibre glass layer (503) and support inner prop (501) If there is dry sliding friction block (504).

2. a kind of flame-proof PVC plastic sheet according to claim 1, it is characterised in that: the elastic memory band (401) and The surfaces externally and internally of support inner prop (501) is coated with plastic flame oxidant layer (2).

3. a kind of flame-proof PVC plastic sheet according to claim 2, it is characterised in that: the elastic memory band (401), The outer surface of support inner prop (501) and plastic body (3) is additionally provided with heatproof spray-up (6), and the heatproof spray-up (6) is arranged In the inside of plastic flame oxidant layer (2).

4. a kind of flame-proof PVC plastic sheet according to claim 1, it is characterised in that: the support inner prop (501) and bullet Property memory tape (401) between be equipped with fire prevention column (7), the outside and inside of fire prevention column (7) are equipped with quartz sand layer (8)。

5. a kind of flame-proof PVC plastic sheet according to claim 1, it is characterised in that: the plastic monomer (3) and single The two sides of support inner prop (501) are equipped with the V-type connecting plate (9) of several equidistantly distributeds.