CN102501527A - Lightweight energy-storing glow flame-retarding smoke-inhibiting PVC (polyvinyl chloride) composite material and preparation method thereof - Google Patents
Lightweight energy-storing glow flame-retarding smoke-inhibiting PVC (polyvinyl chloride) composite material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a lightweight energy-storing glow flame-retarding smoke-inhibiting PVC (polyvinyl chloride) composite material. The lightweight energy-storing glow flame-retarding smoke-inhibiting PVC composite material is a double-layer composite material and consists of an energy-storing glow layer and a lightweight flame-retarding smoke-inhibiting layer, wherein the energy-storing glow layer comprises the following components in part by weight: 100 parts of PVC, 1 to 5 parts of PVC stabilizing agent, 1 to 6 parts of ACR (acrylate copolymer) processing aid, 1 to 3 parts of lubricating agent, 5 to 15 parts of rare earth long afterglow luminescent powder and 20 to 40 parts of DOP (dioctyl-phthalate); and the lightweight flame-retarding smoke-inhibiting layer comprises the following components in part by weight: 100 parts of PVC, 1 to 5 parts of PVC stabilizing agent, 5 to 15 parts of calcium carbonate, 1 to 6 parts of ACR processing aid, 0.2 to 2 parts of foaming agent, 10 to 30 parts of one of aluminium hydroxide and magnesium hydroxide or the mixture of aluminium hydroxide and magnesium hydroxide in any ratio, 1 to 3 parts of lubricating agent and 2 to 8 parts of foaming regulator. The PVC composite material can emit light for 10 hours continuously in a dark place after storing light for 30 minutes and can meet the flame-retarding smoke-inhibiting requirement.
Description
Technical field
The present invention relates to a kind of light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is widely used in industries such as building, car and boat, furniture, decorations, ad production, exhibition label, appearance of the city environmental protection, tourism.Not only have fabulous corrosion resistance (salt tolerant acid, sulfuric acid, nitric acid, caustic alkali and general organic solvent) with its sheet material that makes, also have excellent electric insulation, insulation, heat-proof quality.
Novel energy-storing aura macromolecular material industry is an industry of rising at western developed countries such as America and Europes.Application relates to fields such as fire-fighting, boats and ships, building, traffic, railway, military affairs.Numerous areas such as at present external many large-scale International airports, subway, aircraft and world-renowned building, the sign indication product that has all adopted energy storage to make from the aura macromolecular material.The west majority state must use novel environment friendly macromolecule aura product through law-making stipulation in the building, European Union member countries have also issued corresponding industry standard.At present on the Frankfurt, Germany airport, French Charles de Gaulle Airport, the Deutsche Telecom building, European airbus and U.S.'s Boeing, the McDonnell Douglas aircraft, novel self-luminous macromolecular material is used widely in numerous buildings such as London subway and the product.But because it possesses the aura characteristic; In order to obtain brightness than high transparent material and cause other degradations such as its physical property preferably; So along with utilization is popularized in the exploitation of energy storage novel high polymer luminescent material, an industry that forms around each item combination property that improves an energy storage luminescent material will progressively form and develop.In addition, along with country strengthens the fire-retardant requirement of building material field gradually, traditional flexible PVC material can not satisfy the flame-retardant smoke inhibition requirement, and especially the living cigarette amount of PVC material is big, in common plastics, ranks first.The main cause that in great fire-fighting accident, causes casualties is cigarette and the toxic gas that combustible material discharges when burning.According to Japan and Britain's statistics; Dead in cigarette and toxic gas and the identical 40-50% that is of number cardinal principle dead and baked wheaten cake; The statistics of U.S.'s fire-fighting foundation shows that 80% death is owing to toxicity on inhalation gas causes in all fire, and dense smoke then is a good carrier of toxic gas; In addition, dense smoke can hinder scene of fire personnel's evacuation and fire fighter's rescue, and serious threat is to scene of the accident personnel's life security.The method that effectively promotes material flame-retardant smoke inhibition performance at present is the interpolation anti-flaming smoke-inhibiting agent, but after adding the flame-retardant smoke inhibition material, thereby owing to making material various aspects of performance variation, reasons such as dispersed compatibility influence the use field of material.For these reasons; The functional PVC material that can have lightweight, energy storage aura, flame-retardant smoke inhibition again concurrently of processing machinery has the meaning of outbalance to current PVC market; Be based on this material of association area and have long-term a large amount of market demand; Therefore, develop this series products and have extraordinary economic benefit, also have good social benefit simultaneously.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite.
Light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite provided by the invention is a double-layer composite material, presses down smoke stratification by energy storage aura layer and light flame-retardant and constitutes,
Wherein, the composition and the parts by weight in energy storage aura layer thereof that contain of above-mentioned energy storage aura layer are following:
PVC 100，
PVC stabilizing agent 1～5,
ACR processing aid 1～6,
Lubricant 1～3,
Rare earth long afterglow luminescent powder 5～15,
DOP 20～40；
Above-mentioned light flame-retardant press down composition that smoke stratification contains and the parts by weight that press down in the smoke stratification at light flame-retardant following:
PVC 100，
PVC stabilizing agent 1～5,
Calcium carbonate 5～15,
ACR processing aid 1～6,
Blowing agent 0.2～2,
A kind of in aluminium hydroxide or the magnesium hydroxide or its be arbitrarily than mixture 10～30,
Lubricant 1～3,
Foaming control agent 2～8.
As preferably, above-mentioned PVC composite presses down the smoke stratification coextrusion mold by energy storage aura layer and light flame-retardant and constitutes, and the thickness that above-mentioned energy storage aura layer and light flame-retardant press down smoke stratification is than being 1:2.
As preferably, the PVC of above-mentioned energy storage aura layer is SG3 type PVC, and the PVC that above-mentioned light flame-retardant presses down smoke stratification is SG7 type PVC.
As preferably, the blowing agent that light flame-retardant presses down smoke stratification is a kind of in AC blowing agent or the sodium acid carbonate or it is arbitrarily than mixture; The PVC stabilizing agent that above-mentioned energy storage aura layer and above-mentioned light flame-retardant press down smoke stratification is meant calcium zinc stabilizer.
Wherein, above-mentioned rare earth long afterglow luminescent powder is a kind of of silicates luminescent material or luminous aluminate material or its mixture;
The chemical composition expression of above-mentioned silicates luminescent material is:
（Sr
1-zCa）
2MgSi
2O
7：Eu
xLn
y
Wherein, Ln is the combination of one or more elements among La, Ce, Dy, Tm, Ho, Nd, Er, Sb, the Bi, 0≤z≤1,0.0001≤x≤0.2,0.0001≤y≤0.3;
The chemical composition expression of above-mentioned luminous aluminate material is:
αMO.βAL
2O
3.γB
2O
3:Eu
xLn
y
Wherein, M is the combination of one or more elements among Mg, Ca, Sr, Ba, Zn, the Cd, and Ln is the combination of one or more elements among Nd, Dy, Ho, Tm, La, Ce, Er, Pr, the Bi, 0.5≤α≤5; 0.5≤β≤9; 0.0001≤γ≤0.3,0.00001≤x≤0.15,0.00001≤y≤0.2.
As preferably, the composition that above-mentioned energy storage aura layer also contains and following: colouring agent 0.5 ~ 1 at the parts by weight of energy storage aura layer; The CPE parts by weight greater than 0 smaller or equal to 5.
As preferably, above-mentioned light flame-retardant press down composition that smoke stratification also contains and the parts by weight that press down in the smoke stratification at light flame-retardant following: colouring agent 0.5 ~ 1; The CPE parts by weight are greater than 0 and smaller or equal to 5; The DOP parts by weight are greater than 0 and smaller or equal to 20.
The present invention also provides the method for the above-mentioned light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite of preparation, may further comprise the steps:
(1), the preparation of energy storage aura layer pellet: the PVC that gets above-mentioned amount stirs and is warming up to 50 ~ 70 ℃; Drop into stabilizing agent and be warming up to 70 ~ 90 ℃; Drop into and be cooled to 40 ~ 60 ℃ after lubricant, ACR processing aid, CPE, colouring agent, rare earth long afterglow luminescent powder and DOP continue to stir 5 ~ 20min, drop into twin-screw then and extrude the back granulation;
(2), the preparation of light-duty flame-retardant smoke inhibition layer pellet: the PVC that gets above-mentioned amount stirs and is warming up to 50 ~ 70 ℃; Drop into stabilizing agent and be warming up to 70 ~ 90 ℃; Drop into lubricant, ACR processing aid, CPE, calcium carbonate, colouring agent, aluminium hydroxide and magnesium hydroxide and continue to stir 3 ~ 5min, drop in the mixed on low speed cooler, add AC blowing agent, sodium acid carbonate and foaming control agent; Discharging after stirring is cooled to 50 ℃ drops into twin-screw then and extrudes the back granulation;
(3), the pellet of energy storage aura layer and the pellet of light-duty flame-retardant smoke inhibition layer are dropped into different single screw extrusion machines respectively; Two extruders are extruded double-deck PVC material through the composite machine head co-extrusion; It is energy storage aura layer at the middle and upper levels; Lower floor is light-duty flame-retardant smoke inhibition layer, after through Vacuum shaping, cooling, traction, cutting, stacking.
Preferably, the double-screw extruding pelletizing temperature control of step 1) is a district: 120～130 ℃; Two districts: 130～140 ℃; Three districts: 140～150 ℃; Four districts: 150～160 ℃; Head: 140～150 ℃; Rotating speed is 30 ~ 60 r/min; Step 2) double-screw extruding pelletizing temperature control is a district: 110～120 ℃; Two districts: 120～130 ℃; Three districts: 130～140 ℃; Four districts: 140～150 ℃; Head: 130～140 ℃, rotating speed is 30 ~ 60 r/min.
Preferably, two extruder co-extrusion temperature controls are a district in the step 3): 165～175 ℃; Two districts: 175～180 ℃; Three districts: 180～190 ℃; Four districts: 180～185 ℃; Head: 180～185 ℃, energy storage aura layer extruder rotating speed is 35r/min, and foaming flame-retardant smoke inhibition layer extruder rotating speed is 45 r/min.
Lightweight energy storage aura fire-resistant smoke-inhibiting PVC composite of the present invention, when possessing good luminescent characteristic, more single PVC luminescent material has excellent mechanical property.And storage light 30min can in the dark continue luminous 10 h, and can unlimited storage power repeatedly luminous voluntarily; The needs of flame-retardant smoke inhibition can be satisfied simultaneously, fields such as building, car and boat, furniture, decorations, ad production can be widely used in.Advantage of the present invention: (1) energy-conserving and environment-protective; (2) flame-retardant smoke inhibition; (3) green circulation; (4) applied widely.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further so that those skilled in the art can better understand the present invention and implementing, but the embodiment that lifts not conduct to qualification of the present invention.
The light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite that the present invention proposes, the mode that adopts composite co-extruding to go out double layer material prepares, and comprises that energy storage aura layer and light flame-retardant press down smoke stratification, and wherein energy storage aura layer is a kind of soft thermoplastic material.Mainly form by PVC (being preferably the SG3 type), PVC stabilizing agent, ACR processing aid, lubricant, rare earth long afterglow luminescent powder, DOP, CPE etc.Each component in the quality proportioning of energy storage aura layer shown in table-1:
Table-1 recipe ingredient quality proportioning
| Active principle | Umber |
| PVC (polyvinyl chloride) | 100 |
| The PVC stabilizing agent | 1～5 |
| ACR (ACR) processing aid | 1～6 |
| Lubricant | 1～3 |
| Rare earth long afterglow luminescent powder | 5～15 |
| DOP (dioctyl phthalate) | 20～40 |
Wherein, the PVC stabilizing agent is used to guarantee the stability of energy storage aura layer, can be existing any PVC stabilizing agent, is preferably calcium zinc stabilizer.
In order further to regulate the processing characteristics of extruding of energy storage aura layer, also can add in the energy storage aura layer parts by weight greater than 0 smaller or equal to 5 CPE (haloflex).
In addition, also can add the colouring agent of parts by weight 0.5 ~ 1 in the energy storage aura layer, be used for painted.
Wherein, rare earth long afterglow luminescent powder is a kind of of silicates luminescent material or luminous aluminate material or its mixture, and wherein, the chemical composition expression of silicates luminescent material is:
（Sr
1-zCa）
2MgSi
2O
7：Eu
xLn
y
Wherein, Ln is the combination of one or more elements among La, Ce, Dy, Tm, Ho, Nd, Er, Sb, the Bi, 0≤z≤1,0.0001≤x≤0.2,0.0001≤y≤0.3.
The chemical composition expression of luminous aluminate material is:
αMO.βAL
2O
3.γB
2O
3:Eu
xLn
y
Wherein M is the combination of one or more elements among Mg, Ca, Sr, Ba, Zn, the Cd; Ln is the combination of one or more elements among Nd, Dy, Ho, Tm, La, Ce, Er, Pr, the Bi; 0.5≤α≤5,0.5≤β≤9,0.0001≤γ≤0.3; 0.00001≤x≤0.15,0.00001≤y≤0.2.
It is the little foamed thermoplastic material of a kind of hard that light flame-retardant presses down smoke stratification, mainly is made up of PVC (being preferably SG7), stabilizing agent, plasticiser, lubricant, DOP, blowing agent (being preferably a kind of or its mixture in AC blowing agent or the sodium acid carbonate), CPE, foaming control agent, anti-flaming smoke-inhibiting agent (a kind of or its mixture in aluminium hydroxide or the magnesium hydroxide), filler (calcium carbonate) etc.Each component presses down the quality proportioning of smoke stratification shown in table-2 at light flame-retardant:
Table-2 recipe ingredient quality proportionings
| Active principle | Umber |
| PVC | 100 |
| The PVC stabilizing agent | 1～5 |
| Calcium carbonate | 5～15 |
| The ACR processing aid | 1～6 |
| A kind of or its mixture in AC blowing agent or the sodium acid carbonate | 0.2～2 |
| A kind of or its mixture in aluminium hydroxide or the magnesium hydroxide | 10～30 |
| Lubricant | 1～3 |
| Foaming control agent | 2～8 |
Wherein, the PVC stabilizing agent is used to guarantee the stability of energy storage aura layer, can be existing any PVC stabilizing agent, is preferably calcium zinc stabilizer.
In order further to regulate the processing characteristics of extruding of energy storage aura layer, also can add in the energy storage aura layer parts by weight greater than 0 and smaller or equal to 5 CPE (haloflex) and/or parts by weight greater than 0 and smaller or equal to 20 DOP.
In addition, also can add the colouring agent of parts by weight 0.5 ~ 1 in the energy storage aura layer, be used for painted.
Compound method of the present invention and step:
(1), the preparation of energy storage aura layer pellet: weighing polyvinyl chloride resin input height stirs and is warming up to 60 ℃ under the room temperature; Drop into the PVC stabilizing agent and be warming up to 80 ℃; Be cooled to 50 ℃ after dropping into lubricant, ACR processing aid, CPE, colouring agent, rare earth long afterglow luminescent powder, DOP continuation stirring 8min, drop into twin-screw then and extrude the back granulation.
(2), the preparation of light-duty flame-retardant smoke inhibition layer pellet: weighing polyvinyl chloride resin input height stirs and is warming up to 60 ℃ under the room temperature; Drop into the PVC stabilizing agent and be warming up to 80 ℃; Drop into a kind of or its mixture in lubricant, rare earth long afterglow luminescent powder, CPE, calcium carbonate, colouring agent and aluminium hydroxide or the magnesium hydroxide; Continue to stir 3min, drop in the mixed on low speed cooler, add a kind of or its mixture and foaming control agent in AC blowing agent or the sodium acid carbonate; Discharging after stirring is cooled to 50 ℃ drops into twin-screw then and extrudes the back granulation.
(3), the pellet of energy storage aura layer and the pellet of light-duty flame-retardant smoke inhibition layer are dropped into different single screw extrusion machines respectively; Two extruders are extruded double-deck PVC material through the composite machine head co-extrusion; It is energy storage aura layer at the middle and upper levels; Lower floor is light-duty flame-retardant smoke inhibition layer, after through Vacuum shaping, cooling, traction, cutting, stacking.
Various active principle of the present invention is formed in order to specify, compound method, and embodiment is listed below.
Instance 1
Weighing PVC (SG3) resin 100g input height stirs and is warming up to 60 ℃; Drop into calcium zinc stabilizer 1g and be warming up to 80 ℃; Be cooled to 50 ℃ after dropping into lubricant 1g, ACR processing aid 4g, colouring agent 1g, rare earth long afterglow luminescent powder 8g, DOP 40g continuation stirring 8min, drop into twin-screw then and squeeze granulation.The granulation temperature control is a district: 120～130 ℃; Two districts: 130～140 ℃; Three districts: 140～150 ℃; Four districts: 150～160 ℃; Head: 140～150 ℃; Rotating speed is 40r/min.
Weighing PVC (SG7) resin 100g input height stirs and is warming up to 60 ℃; Drop into stabilizing agent 7g and be warming up to 80 ℃; Drop into lubricant 1g, ACR processing aid 2g, filler 15g, colouring agent 1g, aluminium hydroxide 12g, DOP 20g continuation stirring 3min, drop in the mixed on low speed cooler, add AC blowing agent 1g and foaming control agent 6g; Discharging after stirring is cooled to 50 ℃ drops into twin-screw then and squeezes granulation.The granulation temperature control is a district: 110～120 ℃; Two districts: 120～130 ℃; Three districts: 130～140 ℃; Four districts: 140～150 ℃; Head: 130～140 ℃, rotating speed is 40r/min.
Two kinds of pellets of gained are dropped into different single screw extrusion machines respectively; Two extruders are extruded double-deck PVC material through the composite machine head co-extrusion; It is at the middle and upper levels for energy storage aura layer, and lower floor's foaming layer is light-duty flame-retardant smoke inhibition layer, after through Vacuum shaping → cooling → traction → cutting → finished product stacking.Two extruder co-extrusion temperature controls are a district: 165～175 ℃; Two districts: 175～180 ℃; Three districts: 180～190 ℃; Four districts: 180～185 ℃; Head: 180～185 ℃, energy storage aura layer extruder rotating speed is 45r/min, and foaming flame-retardant smoke inhibition layer extruder rotating speed is 35 r/min.
The light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite that present embodiment prepares, its energy storage aura layer is 1:2 with the thickness ratio of foaming flame-retardant smoke inhibition layer.
Instance 2
Energy storage aura soft formation PVC fills a prescription than (by Mass Calculation):
Table-3 recipe ingredient quality proportionings
| Active principle | Umber |
| PVC | 100 |
| Calcium zinc stabilizer | 5 |
| CPE | 1 |
| The ACR processing aid | 6 |
| Lubricant | 3 |
| Rare earth long afterglow luminescent powder | 10 |
| Colouring agent | 0.5 |
| DOP | 20 |
Light-duty flame-retardant smoke inhibition horminess PVC formula is than (by Mass Calculation):
Table-4 recipe ingredient quality proportionings
| Active principle | Umber |
| PVC | 100 |
| Calcium zinc stabilizer | 5 |
| Calcium carbonate | 5 |
| Magnesium hydroxide | 20 |
| The ACR processing aid | 4 |
| The AC blowing agent | 1 |
| Sodium acid carbonate | 1 |
| Lubricant | 1 |
| Foaming control agent | 8 |
| Colouring agent | 0.5 |
| DOP | 15 |
Its process is identical with instance 1 with process conditions.
The light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite that present embodiment prepares, its energy storage aura layer is 1:2 with the thickness ratio of foaming flame-retardant smoke inhibition layer.
Instance 3
Energy storage aura soft formation PVC fills a prescription than (by Mass Calculation):
Table-5 recipe ingredient quality proportionings
| Active principle | Umber |
| PVC | 100 |
| Calcium zinc stabilizer | 3 |
| The ACR processing aid | 1 |
| Lubricant | 1 |
| Rare earth long afterglow luminescent powder | 5 |
| Colouring agent | 0.5 |
| DOP | 35 |
| CPE | 5 |
Light-duty flame-retardant smoke inhibition horminess PVC formula is than (by Mass Calculation):
Table-6 recipe ingredient quality proportionings
| Active principle | Umber |
| PVC | 100 |
| Calcium zinc stabilizer | 5 |
| Calcium carbonate | 8 |
| The ACR processing aid | 6 |
| The AC blowing agent | 1.0 |
| Aluminium hydroxide | 15 |
| Magnesium hydroxide | 15 |
| Lubricant | 3 |
| Foaming control agent | 5 |
| Colouring agent | 0.5 |
| DOP | 5 |
| CPE | 5 |
Its process is identical with instance 1 with process conditions.
The light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite that present embodiment prepares, its energy storage aura layer is 1:2 with the thickness ratio of foaming flame-retardant smoke inhibition layer.
The prescription implementation result
The lightweight energy storage aura fire-resistant smoke-inhibiting PVC composite that the present invention obtains, when possessing good luminescent characteristic, more single PVC luminescent material has excellent mechanical property.Lightweight energy storage aura fire-resistant smoke-inhibiting PVC performance of composites to embodiment 1 ~ 3 makes is measured, and specific targets are as showing-7:
Table-7 light-duty energy storage aura flame-retardant smoke inhibition performance indexs
| Pilot project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Hardness (HD) | 60 | 55 | 57 |
| Oxygen index (OI) (%) | 32 | 30 | 33 |
| Density g/cm 3 | 0.75 | 0.81 | 0.85 |
| One hour luminosity (cd/ ㎡) of illumination | 0.5 | 0.4 | 0.3 |
| Maximum smoke density (%) | 82.4 | 85 | 88 |
| Smoke density grade (%) | 72 | 72 | 72 |
| Hot strength (MPa) | 17.2 | 16 | 17 |
| Tension fracture elongation rate (%) | 21 | 20 | 21 |
PVC material of the present invention storage light 30min can in the dark continue luminous 10 h, and can unlimited storage power repeatedly luminous voluntarily; The needs of flame-retardant smoke inhibition can be satisfied simultaneously, fields such as building, car and boat, furniture, decorations, ad production can be widely used in.Advantage of the present invention: (1) energy-conserving and environment-protective; (2) flame-retardant smoke inhibition; (3) green circulation; (4) applied widely.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited thereto.Being equal to that the technical staff in present technique field is done on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite is characterized in that said PVC composite is a double-layer composite material, press down smoke stratification by energy storage aura layer and light flame-retardant and constitute,
Wherein, the composition and the parts by weight in energy storage aura layer thereof that contain of said energy storage aura layer are following:
PVC 100，
PVC stabilizing agent 1～5,
ACR processing aid 1～6,
Lubricant 1～3,
Rare earth long afterglow luminescent powder 5～15,
DOP 20～40；
Said light flame-retardant press down composition that smoke stratification contains and the parts by weight that press down in the smoke stratification at light flame-retardant following:
PVC 100，
PVC stabilizing agent 1～5,
Calcium carbonate 5～15,
ACR processing aid 1～6,
Blowing agent 0.2～2,
A kind of in aluminium hydroxide or the magnesium hydroxide or its be arbitrarily than mixture 10～30,
Lubricant 1～3,
Foaming control agent 2～8.
2. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1; It is characterized in that; Said PVC composite presses down the smoke stratification coextrusion mold by energy storage aura layer and light flame-retardant and constitutes, and said energy storage aura layer is 1:2 with the thickness ratio that light flame-retardant presses down smoke stratification.
3. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1 is characterized in that the PVC of said energy storage aura layer is SG3 type PVC, and the PVC that said light flame-retardant presses down smoke stratification is SG7 type PVC.
4. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1 is characterized in that, the blowing agent that light flame-retardant presses down smoke stratification is a kind of in AC blowing agent or the sodium acid carbonate or it is arbitrarily than mixture; The PVC stabilizing agent that said energy storage aura layer and said light flame-retardant press down smoke stratification is meant calcium zinc stabilizer.
5. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1 is characterized in that described rare earth long afterglow luminescent powder is a kind of of silicates luminescent material or luminous aluminate material or its mixture;
The chemical composition expression of said silicates luminescent material is:
（Sr
1-zCa）
2MgSi
2O
7：Eu
xLn
y
Wherein, Ln is the combination of one or more elements among La, Ce, Dy, Tm, Ho, Nd, Er, Sb, the Bi, 0≤z≤1,0.0001≤x≤0.2,0.0001≤y≤0.3;
The chemical composition expression of said luminous aluminate material is:
αMO.βAL
2O
3.γB
2O
3:Eu
xLn
y
Wherein, M is the combination of one or more elements among Mg, Ca, Sr, Ba, Zn, the Cd, and Ln is the combination of one or more elements among Nd, Dy, Ho, Tm, La, Ce, Er, Pr, the Bi, 0.5≤α≤5; 0.5≤β≤9; 0.0001≤γ≤0.3,0.00001≤x≤0.15,0.00001≤y≤0.2.
6. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1 is characterized in that the composition that said energy storage aura layer also contains and following at the parts by weight of energy storage aura layer: colouring agent 0.5 ~ 1; The CPE parts by weight greater than 0 smaller or equal to 5.
7. light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite according to claim 1 is characterized in that, said light flame-retardant press down composition that smoke stratification also contains and the parts by weight that press down in the smoke stratification at light flame-retardant following: colouring agent 0.5 ~ 1; The CPE parts by weight are greater than 0 and smaller or equal to 5; The DOP parts by weight greater than 0 smaller or equal to 20.
8. prepare the method for each described light-duty energy storage aura fire-resistant smoke-inhibiting PVC composite of claim 1 ~ 7, it is characterized in that, may further comprise the steps:
(1), the preparation of energy storage aura layer pellet: the PVC that gets said amount stirs and is warming up to 50 ~ 70 ℃; Drop into the PVC stabilizing agent and be warming up to 70 ~ 90 ℃; Drop into and be cooled to 40 ~ 60 ℃ after lubricant, ACR processing aid, CPE, colouring agent, rare earth long afterglow luminescent powder and DOP continue to stir 5 ~ 20min, drop into twin-screw then and extrude the back granulation;
(2), the preparation of light-duty flame-retardant smoke inhibition layer pellet: the PVC that gets said amount stirs and is warming up to 50 ~ 70 ℃; Drop into the PVC stabilizing agent and be warming up to 70 ~ 90 ℃, drop into a kind of in lubricant, ACR processing aid, CPE, calcium carbonate, colouring agent and aluminium hydroxide or the magnesium hydroxide or its, continue to stir 3 ~ 5min arbitrarily than mixture; Drop in the mixed on low speed cooler; Add blowing agent and foaming control agent, discharging after stirring is cooled to 50 ℃ drops into twin-screw then and extrudes the back granulation;
(3), the pellet of energy storage aura layer and the pellet of light-duty flame-retardant smoke inhibition layer are dropped into different single screw extrusion machines respectively; Two extruders are extruded double-deck PVC material through the composite machine head co-extrusion; It is energy storage aura layer at the middle and upper levels; Lower floor is light-duty flame-retardant smoke inhibition layer, after through Vacuum shaping, cooling, traction, cutting, stacking.
9. method according to claim 8 is characterized in that, the double-screw extruding pelletizing temperature control of step 1) is a district: 120～130 ℃; Two districts: 130～140 ℃; Three districts: 140～150 ℃; Four districts: 150～160 ℃; Head: 140～150 ℃; Rotating speed is 30 ~ 60r/min; Step 2) double-screw extruding pelletizing temperature control is a district: 110～120 ℃; Two districts: 120～130 ℃; Three districts: 130～140 ℃; Four districts: 140～150 ℃; Head: 130～140 ℃, rotating speed is 30 ~ 60r/min.
10. method according to claim 8 is characterized in that, two extruder co-extrusion temperature controls are a district in the step 3): 165～175 ℃; Two districts: 175～180 ℃; Three districts: 180～190 ℃; Four districts: 180～185 ℃; Head: 180～185 ℃, energy storage aura layer extruder rotating speed is 35r/min, and foaming flame-retardant smoke inhibition layer extruder rotating speed is 45 r/min.
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