CN107352944A - Inorganic heat insulation plate and preparation method thereof - Google Patents

Inorganic heat insulation plate and preparation method thereof Download PDF

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Publication number
CN107352944A
CN107352944A CN201710587238.2A CN201710587238A CN107352944A CN 107352944 A CN107352944 A CN 107352944A CN 201710587238 A CN201710587238 A CN 201710587238A CN 107352944 A CN107352944 A CN 107352944A
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China
Prior art keywords
parts
bead
mixed
heat insulation
inorganic heat
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Pending
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CN201710587238.2A
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Chinese (zh)
Inventor
刘涛
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Hefei Guangneng New Material Technology Co Ltd
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Hefei Guangneng New Material Technology Co Ltd
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Priority to CN201710587238.2A priority Critical patent/CN107352944A/en
Publication of CN107352944A publication Critical patent/CN107352944A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10Coating or impregnating
    • C04B20/1055Coating or impregnating with inorganic materials
    • C04B20/1074Silicates, e.g. glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26Silicates of the alkali metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10Inorganic particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/31Heat sealable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/726Permeability to liquids, absorption
    • B32B2307/7265Non-permeable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00Buildings or parts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention proposes a kind of inorganic heat insulation plate and preparation method thereof, and according to the number of parts by weight, including following raw material is made:2~10 parts of 20~60 parts of modified vitrification micro-bead, 10~20 parts of stalk, 20~45 parts of Portland cement, 5~20 parts of aerosil, 3~15 parts of gypsum, 2~10 parts of adhesive and hydrophober;Wherein, the modified vitrification micro-bead is mainly prepared by glass bead, polyethylene glycol alkene, flyash and clay.Preparation method:1) modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, adhesive and hydrophober is weighed to be mixed and stirred for uniformly, obtaining mixed material;2) distilled water is added into above-mentioned mixed material, stirs, obtains slurry;3) compound after above-mentioned slurry agitation is put into mould, strikes off die surface, be molded after natural air drying or heating, drying.The insulation material thermal conductivity factor is low to be less than 0.052W/ (mK), and compression strength is tall and big in 1.8MPa, and fire-protection rating is A levels.

Description

Inorganic heat insulation plate and preparation method thereof
Technical field
The invention belongs to field of material technology used for building exterior wall, and in particular to a kind of inorganic heat insulation plate.
Background technology
Nearly 2,000,000,000 square metres of the annual town and country newly constructed house construction area in China, nearly 42,000,000,000 square metres of existing building, build energy Consumption has accounted for more than the 27% of national total energy consumption, and Building Energy-saving has turned into the important step of China's sustainable development, especially The energy-conservation of building enclosure has special consequence.The most frequently used guarantor such as extruded polystyrene board (XPS) or expansion polyphenyl plate (EPS) Adiabator, although having the advantages that thermal conductivity factor is low and density is small, organic material is used as, its combustibility causes very big peace Full hidden danger, in recent years, the ground such as Beijing, Shanghai, Shenyang " CCTV building ", " Shanghai religion caused by there occurs being burnt because of heat-insulation layer Master's master's residence ", " ten thousand prosperous hotel of Shenyang " fire, fully expose the fire prevention defect of traditional organic insulation material.
Kervit microbead insulated sand slurry is a kind of inorganic heat insulation material using glass bead as aggregate, because being inside glass bead Cellular cavity structure, surface form vitreum shell, thus with it is light, water absorption rate is low, intensity is high, physicochemical property is stable Feature.However, at present all there is unit weight and water absorption rate problems of too in our most of glass beads of domestic production.South China The thermal insulation mortar dry density that aggregate preparation is made in area using glass bead is generally higher, its heat-insulating property is greatly affected.Meanwhile The vitrified microsphere insulating material prepared at present, because the water absorption rate (60%~150%) of glass bead is excessive, cause its water absorption rate Height, and the insulation material unit weight prepared is mostly 300~500kg/m3, thermal conductivity factor is 0.075~1.5/W/mK, Er Qieqiang Spend relatively low, it is impossible to meet the requirement of China's building energy conservation 65%, the particularly north in cold.
The content of the invention
To solve the problems, such as that it is poor that above-mentioned existing insulation material has a heat insulation property, the present invention proposes a kind of inorganic heat preservation Thermal insulation board, the insulation material solve the problems, such as that traditional glass bead material water absorption rate is excessive, and its thermal conductivity factor is low to be less than 0.052W/ (mK), compression strength is tall and big in 1.8MPa, and fire-protection rating is A levels.
The technical proposal of the invention is realized in this way:
A kind of inorganic heat insulation plate, including thermal insulation board main body and fiberglass gridding cloth, the thermal insulation board main body include Following raw material is made according to parts by weight:
20~60 parts of modified vitrification micro-bead, 10~20 parts of stalk, 20~45 parts of Portland cement, aerosil 2~10 parts of 5~20 parts, 3~15 parts of gypsum, 2~10 parts of adhesive and hydrophober;Wherein, the modified vitrification micro-bead mainly by Glass bead, polyethylene glycol alkene, flyash and clay are prepared.
Further, the preparation method of the modified vitrification micro-bead:
The mixture that graphene oxide is mixed with glass bead, 5~10 times of mixture weight is added into mixture Water, after stirring, the clay and 5~10% flyash for accounting for mixture weight 15~30% are added, continues to stir, then Fish for the glass bead floated on the water and dried to constant weight under conditions of 150 DEG C~160 DEG C, be then cooled to room temperature, i.e., Obtain modified vitrification micro-bead.
Further, the present inventor adulterates aerosil, and straw by many experiments in Portland cement Stalk mixes with modified vitrification micro-bead, can solve normal silicate water problem of easy degradation.
Further, described adhesive is waterglass.
Further, the hydrophober is waterproofing agent of organosilicon.
It is a further object to provide a kind of preparation method of inorganic heat insulation plate, comprise the following steps:
1) according to said ratio weigh modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, Adhesive is mixed and stirred for uniformly, obtaining mixed material with hydrophober;
2) distilled water is added into above-mentioned mixed material, continues 20~40min of stirring with mixer, obtain slurry;
3) compound after above-mentioned slurry agitation is put into mould, fiberglass gridding cloth is added among compound, or Fiberglass gridding cloth is added in compound both sides;
4) die surface is struck off, is molded after natural air drying or heating, drying.
Further, the distilled water in the step 2) and the mass ratio of mixed material are 0.45~0.55:1.
Beneficial effects of the present invention:
The glass bead of the present invention passes through the modification of graphene oxide, flyash and clay, not only acts as coating effect, also The water absorption rate of glass bead can be reduced, but also intensity of the glass bead as aggregate can be strengthened.Make full use of vitreous micro- The advantages that pearl physicochemical property is sufficiently stable, ageing-resistant weatherability is strong, therefore, the wall heat insulation material prepared its heat-insulating property is more Persistently, water absorption rate is low and compression strength is high.
Embodiment
Embodiment 1
A kind of inorganic heat insulation plate, including thermal insulation board main body and fiberglass gridding cloth, the thermal insulation board main body include Following raw material is made according to parts by weight:
30 parts of modified vitrification micro-bead, 10 parts of stalk, 20 parts of Portland cement, 5 parts of aerosil, 5 parts of gypsum, 3 parts of 2 parts of waterglass and waterproofing agent of organosilicon.
The preparation method of modified vitrification micro-bead:
The mixture that graphene oxide is mixed with glass bead, the water of 5 times of mixture weight is added into mixture, is stirred After mixing uniformly, the clay and 5% flyash for accounting for mixture weight 15% are added, continues to stir, then fishes for and swim in water On glass bead and dried to constant weight under conditions of 150 DEG C, be then cooled to room temperature, that is, obtain modified vitrification micro-bead.
A kind of inorganic heat insulation plate, preparation method:
1) according to said ratio weigh modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, Waterglass is mixed and stirred for uniformly, obtaining mixed material with waterproofing agent of organosilicon;
2) distilled water is added into above-mentioned mixed material, is continued to stir 20min with mixer, distilled water and mixed material Mass ratio is 0.45:1, obtain slurry;
3) compound after above-mentioned slurry agitation is put into mould, fiberglass gridding cloth is added among compound, or Fiberglass gridding cloth is added in compound both sides;
4) die surface is struck off, is molded after natural air drying or heating, drying.
Its performance is as follows after testing for gained inorganic heat insulation plate:Thermal conductivity factor is 0.052W/mK, and compression strength is 1.83MPa, water absorption rate 9%.
Embodiment 2
A kind of inorganic heat insulation plate, including thermal insulation board main body and fiberglass gridding cloth, the thermal insulation board main body include Following raw material is made according to parts by weight:
60 parts of modified vitrification micro-bead, 15 parts of stalk, 45 parts of Portland cement, 20 parts of aerosil, gypsum 15 10 parts of part, 10 parts of waterglass and waterproofing agent of organosilicon.
Modified vitrification micro-bead is prepared by the following method and obtained:
The mixture that graphene oxide is mixed with glass bead, the water of 8 times of mixture weight is added into mixture, is stirred After mixing uniformly, the clay and 6% flyash for accounting for mixture weight 24% are added, continues to stir, then fishes for and swim in water On glass bead and dried to constant weight under conditions of 155 DEG C, be then cooled to room temperature, that is, obtain modified vitrification micro-bead.
Preparation method is:
1) according to said ratio weigh modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, Waterglass is mixed and stirred for uniformly, obtaining mixed material with waterproofing agent of organosilicon;
2) distilled water is added into above-mentioned mixed material, is continued to stir 30min with mixer, distilled water and mixed material Mass ratio is 0.51:1, obtain slurry;
3) compound after above-mentioned slurry agitation is put into mould, fiberglass gridding cloth is added among compound, or Fiberglass gridding cloth is added in compound both sides;
4) die surface is struck off, is molded after natural air drying or heating, drying.
Its performance is as follows after testing for gained inorganic heat insulation plate:Thermal conductivity factor is 0.048W/mK, and compression strength is 1.86MPa, water absorption rate 8%.
Embodiment 3
A kind of inorganic heat insulation plate, including thermal insulation board main body and fiberglass gridding cloth, the thermal insulation board main body include Following raw material is made according to parts by weight:
20 parts of modified vitrification micro-bead, 15 parts of stalk, 30 parts of Portland cement, 7 parts of aerosil, 3 parts of gypsum, 5 parts of 4 parts of adhesive and hydrophober.
The preparation method of modified vitrification micro-bead:
The mixture that graphene oxide is mixed with glass bead, the water of 10 times of mixture weight is added into mixture, After stirring, the clay and 10% flyash for accounting for mixture weight 30% are added, continues to stir, then fishes for and swim in Glass bead waterborne and dried to constant weight under conditions of 160 DEG C, be then cooled to room temperature, that is, obtain modified vitrification micro-bead.
Preparation method is:
1) according to said ratio weigh modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, Waterglass is mixed and stirred for uniformly, obtaining mixed material with waterproofing agent of organosilicon;
2) distilled water is added into above-mentioned mixed material, is continued to stir 40min with mixer, distilled water and mixed material Mass ratio is 0.55:1, obtain slurry;
3) compound after above-mentioned slurry agitation is put into mould, fiberglass gridding cloth is added among compound, or Fiberglass gridding cloth is added in compound both sides;
4) die surface is struck off, is molded after natural air drying or heating, drying.
Its performance is as follows after testing for gained inorganic heat insulation plate:Thermal conductivity factor is 0.047W/mK, and compression strength is 1.96MPa, water absorption rate 10%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (6)

  1. A kind of 1. inorganic heat insulation plate, it is characterised in that including thermal insulation board main body and fiberglass gridding cloth, the thermal insulation board Main body is made including following raw material according to parts by weight:
    20~60 parts of modified vitrification micro-bead, 10~20 parts of stalk, 20~45 parts of Portland cement, aerosil 5~ 2~10 parts of 20 parts, 3~15 parts of gypsum, 2~10 parts of adhesive and hydrophober;Wherein, the modified vitrification micro-bead is mainly by vitreous Microballon, polyethylene glycol alkene, flyash and clay are prepared.
  2. 2. inorganic heat insulation plate according to claim 1, it is characterised in that the preparation side of the modified vitrification micro-bead Method:
    The mixture that graphene oxide is mixed with glass bead, the water of 5~10 times of mixture weight is added into mixture, is stirred After mixing uniformly, the clay and 5~10% flyash for accounting for mixture weight 15~30% are added, continues to stir, then fishes for Float glass bead on the water and dried to constant weight under conditions of 150 DEG C~160 DEG C, be then cooled to room temperature, that is, obtain Modified vitrification micro-bead.
  3. 3. inorganic heat insulation plate according to claim 1, it is characterised in that described adhesive is waterglass.
  4. 4. inorganic heat insulation plate according to claim 1, it is characterised in that the hydrophober is waterproofing agent of organosilicon.
  5. 5. a kind of preparation method of inorganic heat insulation plate as claimed in claim 1, it is characterised in that comprise the following steps:
    1) modified vitrification micro-bead, stalk, Portland cement, aerosil, gypsum, bonding are weighed according to said ratio Agent is mixed and stirred for uniformly, obtaining mixed material with hydrophober;
    2) distilled water is added into above-mentioned mixed material, continues 20~40min of stirring with mixer, obtain slurry;
    3) compound after above-mentioned slurry agitation is put into mould, fiberglass gridding cloth is added among compound, or mixed Close material both sides and add fiberglass gridding cloth;
    4) die surface is struck off, is molded after natural air drying or heating, drying.
  6. 6. the preparation method of inorganic heat insulation plate according to claim 5, it is characterised in that the steaming in the step 2) The mass ratio of distilled water and mixed material is 0.45~0.55:1.
CN201710587238.2A 2017-07-18 2017-07-18 Inorganic heat insulation plate and preparation method thereof Pending CN107352944A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107867812A (en) * 2017-11-27 2018-04-03 倪修俊 A kind of wheat stalk glass bead foaming insulation board and preparation method thereof
CN108129121A (en) * 2017-12-24 2018-06-08 张良 A kind of silicon-based modifying energy-saving straw environment-friendly insulating plate or brick and production method
CN108425053A (en) * 2018-04-23 2018-08-21 张德军 A kind of manufacturing method of heat pump pipeline heat preservation magnesium alloy valve case
CN108947459A (en) * 2018-07-26 2018-12-07 合肥伊只门窗有限公司 A kind of light anti-fire door central layer material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106116434A (en) * 2016-06-29 2016-11-16 合肥广能新材料科技有限公司 Inorganic heat insulation plate and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106116434A (en) * 2016-06-29 2016-11-16 合肥广能新材料科技有限公司 Inorganic heat insulation plate and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107867812A (en) * 2017-11-27 2018-04-03 倪修俊 A kind of wheat stalk glass bead foaming insulation board and preparation method thereof
CN108129121A (en) * 2017-12-24 2018-06-08 张良 A kind of silicon-based modifying energy-saving straw environment-friendly insulating plate or brick and production method
CN108425053A (en) * 2018-04-23 2018-08-21 张德军 A kind of manufacturing method of heat pump pipeline heat preservation magnesium alloy valve case
CN108947459A (en) * 2018-07-26 2018-12-07 合肥伊只门窗有限公司 A kind of light anti-fire door central layer material and preparation method thereof

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Application publication date: 20171117