CN107954655A - A kind of preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards - Google Patents

A kind of preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards Download PDF

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Publication number
CN107954655A
CN107954655A CN201711056604.8A CN201711056604A CN107954655A CN 107954655 A CN107954655 A CN 107954655A CN 201711056604 A CN201711056604 A CN 201711056604A CN 107954655 A CN107954655 A CN 107954655A
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Prior art keywords
fibre
weight
expanded
parts
mixed
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CN201711056604.8A
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Chinese (zh)
Inventor
杨华亮
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Anhui Ming Energy Thermal Technology Co Ltd
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Anhui Ming Energy Thermal Technology Co Ltd
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Priority to CN201711056604.8A priority Critical patent/CN107954655A/en
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    • 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
    • C04B28/02Compositions 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 hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • 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
    • C04B20/02Treatment
    • C04B20/023Chemical treatment
    • 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
    • C04B20/1018Coating or impregnating with organic materials
    • C04B20/1029Macromolecular compounds
    • C04B20/1037Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • C04B2111/27Water resistance, e.g. waterproof or water-repellant materials
    • 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
    • C04B2111/52Sound-insulating materials

Abstract

The invention discloses a kind of preparation method of the fibre-reinforced composite insulation boards of expanded and vitrified small ball; it is characterized in that; polypropylene fibre is immersed boiling water bath in distilled water to boil; immerse in distilled water and dimethylbenzene mixed liquor; water bath with thermostatic control swollen; precipitated calcium carbonate reaction is put into, coating modification polypropylene fibre is obtained, composite fibre is mixed to obtain with vinal;Carbon nano-fiber and SBS are mixed into obtain modifying agent, by matrix pitch heating and melting, add modifying agent, heating stirring, mixes to obtain modified pitch with styrene-butadiene emulsion;Expanded and vitrified small ball and modifying agent are mixed evenly, curing obtains modified expanded glass bead;Flyash, cement are poured into mixer, add water to stir;Redispersable latex powder, doughnut, hydrophobic powder, hydroxypropyl methyl cellulose are added, is stirred;Granular polystyrene and above resulting material are poured slowly into, is sufficiently stirred;The particle slurry stirred evenly is poured into mould, compacting strikes off, and form removal, is carried every other day, standard curing.

Description

A kind of preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards
Technical field
The present invention relates to thermal insulation board field, and in particular to a kind of expanded and vitrified small ball-fibre-reinforced composite insulation boards Preparation method.
Background technology
The energy is one of pillar of the national economic development, is the important substance basis of human social development, is economic growth With the premise of development.China's Energy situation is quite severe, and per capita resources occupation rate is far below world average level.China's energy supplies Ask very nervous, building energy consumption accounts for 1/3rd of social total energy consumption, thus building energy conservation tool is of great significance.Insulation The application of material is largely effective to the energy consumption for reducing building long-time service, and thermal insulation material mainly has thermal insulation board and insulation sand at present Slurry.
The content of the invention
The invention mainly solves the technical problem of providing a kind of expanded and vitrified small ball-fibre-reinforced composite insulation boards Preparation method, according to composite insulation boards prepared by this method have it is good keep the temperature, fire-retardant, sound insulation, waterproof effect.
The technical problems to be solved by the invention are realized using following technical solution:
A kind of preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards, it is characterised in that according to the following steps into OK:
(1)Polypropylene fibre surface hydrophilic modification:
1-2 parts by weight of polypropylene fiber is immersed in distilled water, after boiling water bath boils 3-4h oil removings, immerses distilled water and dimethylbenzene etc. In the solution of volume mixture, after 60-62 DEG C of water bath with thermostatic control swollen handles 1-2h, input 1-2 parts by weight precipitated calcium carbonate carries out Encapsulation reaction 1-2h, cooling, filter, wash, 50-60 DEG C of drying, coating modification polypropylene fibre is obtained, by itself and 1-2 weight Part vinal mixes, and obtains composite fibre;
(2)The preparation of modified pitch:
1-2 parts by weight carbon nano-fibers are dried in 104-106 DEG C of baking oven, modifying agent is mixed to obtain with 1-3 parts by weight SBS;Will 10-15 parts by weight matrix pitches are heated to 160-162 DEG C of thawing, add modifying agent, and 170-180 is warming up to after stirring 5-10min DEG C, high-speed stirred 10-12min, then stirring at low speed eliminate bubble, are mixed with 4-5 parts by weight styrene-butadiene emulsions, obtain modified pitch;
(3)The surface coating modification of expanded and vitrified small ball:
9-11 parts by weight expanded and vitrified small balls are crossed into 40-60 mesh sieves, the dry 1-2h at 105-110 DEG C, with modifying agent phenolic aldehyde tree Fat ethanol solution is mixed, and modifying agent is coated uniformly on the surface of expanded and vitrified small ball, then cures at 160-162 DEG C 30-34min, obtains modified expanded glass bead;
(4)Fibre reinforced composites thermal insulation board:
26-29 weight parts of fine coal ash, 190-195 parts by weight of cement are poured into mixer, add water stirring 1-2min to be sufficiently mixed; Add 2-3 parts by weight redispersable latex powder, 0.8-0.9 parts by weight doughnut, 2-3 parts by weight hydrophobics powder, 2-2.2 weight Part hydroxypropyl methyl cellulose, stirs 30-50s;It is poured slowly into gains in 9-10 parts by weight granular polystyrene and (1), (2), (3) Material, is sufficiently stirred 5-6min, foam beads surface is uniformly wrapped up in slurry;The particle slurry stirred evenly is poured into mould, is compacted Strike off, form removal after 5-6h, is carried, standard curing every other day.
Wherein, step(1)The middle long 3-5mm of fiber.Step(2)High speed mixing speed is 5000-6000rpm.
Step(3)Middle modifying agent phenolic resin ethanol solution is to add nothing to the medium volume of 14-16 parts by weight of phenolic resin Water-ethanol dilutes.Step(4)Middle cement is 42.5 grades of Portland cements, and hydrophobic powder is multi-component copolymer hydrophobic powder, water/rubber powder Than first to be opened for 0.5-0.7, wherein hydroxypropyl methyl cellulose with warm water stirring.
The present invention reaction mechanism and have the beneficial effect that:
Hydrophilic modifying is carried out to its surface with precipitated calcium carbonate cladding polypropylene fibre, can uniformly be divided in water after coating modification Dissipate, mix the adhesive property that can improve fiber and cement matrix in cement mortar, compounded with vinal, improve cement bonded sand The flexural strength and toughness of slurry;Base is filled with to matrix pitch modification for composite, carbon nano-fiber with Nano carbon fibers peacekeeping SBS The gap of body, can improve the cracking resistance of mortar, mix styrene-butadiene emulsion modified pitch, make pitch in mortar mutually in low temperature still With preferably malleable, the low-temperature cracking-resistance of mortar is improved;Surface is carried out to expanded and vitrified small ball with thermosetting phenolic resin Coating modification, improves cylindrical compress strength, reduces water absorption rate, bulk density increase, and resin prepares complex heat-preservation as binding agent During plate, the impact strength and compressive strength of composite board are improved, plate has fire-retardant, sound insulation, waterproof effect.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment
The preparation method of a kind of expanded and vitrified small ball-fibre-reinforced composite insulation boards, it is characterised in that according to the following steps Carry out:
(1)Polypropylene fibre surface hydrophilic modification:
2kg polypropylene fibres are immersed in distilled water, after boiling water bath boils 3.5h oil removings, distilled water is immersed and is mixed in equal volume with dimethylbenzene In the solution of conjunction, after 60-62 DEG C of water bath with thermostatic control swollen handles 1.5h, input 2kg precipitated calcium carbonates carry out encapsulation reaction 1.5h, Cooling, filter, washing, 50-60 DEG C of drying, obtain coating modification polypropylene fibre, itself and 1kg vinals mixed, Obtain composite fibre;
(2)The preparation of modified pitch:
1kg carbon nano-fibers are dried in 104-106 DEG C of baking oven, modifying agent is mixed to obtain with 1kg SBS;By 10kg matrix pitches 160-162 DEG C of thawing is heated to, adds modifying agent, 170-180 DEG C, high-speed stirred 12min is warming up to after stirring 10min, then it is low Speed stirring eliminates bubble, is mixed with 4kg styrene-butadiene emulsions, obtains modified pitch;
(3)The surface coating modification of expanded and vitrified small ball:
9kg expanded and vitrified small balls are crossed into 40-60 mesh sieves, dry 1.5h, molten with modifying agent phenolic resin ethanol at 105-110 DEG C Liquid is mixed, and modifying agent is coated uniformly on the surface of expanded and vitrified small ball, then cures 32min at 160-162 DEG C, obtain To modified expanded glass bead;
(4)Fibre reinforced composites thermal insulation board:
26kg flyash, 190kg cement are poured into mixer, add water stirring 2min to be sufficiently mixed;It is redispersible to add 2kg Latex powder, 0.8kg doughnuts, 3kg hydrophobics powder, 2kg hydroxypropyl methyl celluloses, stir 50s;It is poured slowly into 9kg polyphenyl Resulting material in grain and (1), (2), (3), is sufficiently stirred 6min, foam beads surface is uniformly wrapped up in slurry;That will be stirred evenly Grain slurry is poured into mould, and compacting strikes off, and form removal after 5h, is carried, standard curing every other day.
Wherein, step(1)The middle long 3-5mm of fiber.Step(2)High speed mixing speed is 5500rpm.
Step(3)Middle modifying agent phenolic resin ethanol solution is dilute to the medium volume addition absolute ethyl alcohol of 14kg phenolic resin Release.Step(4)Middle cement is 42.5 grades of Portland cements, and hydrophobic powder is multi-component copolymer hydrophobic powder, and water/rubber powder ratio is 0.6, Wherein hydroxypropyl methyl cellulose will be opened first with warm water stirring.

Claims (6)

  1. A kind of 1. preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards, it is characterised in that:By polypropylene fibre Immerse boiling water bath in distilled water to boil, immerse distilled water and in dimethylbenzene mixed liquor, water bath with thermostatic control swollen, it is anti-to put into precipitated calcium carbonate Should, coating modification polypropylene fibre is obtained, composite fibre is mixed to obtain with vinal;Carbon nano-fiber and SBS are mixed Modifying agent, by matrix pitch heating and melting, adds modifying agent, heating stirring, mixes to obtain modified pitch with styrene-butadiene emulsion;Will expansion Glass bead is mixed evenly with modifying agent, and curing obtains modified expanded glass bead;Flyash, cement are poured into mixer In, add water to stir;Redispersable latex powder, doughnut, hydrophobic powder, hydroxypropyl methyl cellulose are added, is stirred;Slowly fall Enter granular polystyrene and above resulting material, be sufficiently stirred;The particle slurry stirred evenly is poured into mould, compacting strikes off, and tears open Mould, is carried every other day, standard curing.
  2. A kind of 2. preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards, it is characterised in that according to the following steps into OK:
    (1)Polypropylene fibre surface hydrophilic modification:
    1-2 parts by weight of polypropylene fiber is immersed in distilled water, after boiling water bath boils 3-4h oil removings, immerses distilled water and dimethylbenzene etc. In the solution of volume mixture, after 60-62 DEG C of water bath with thermostatic control swollen handles 1-2h, input 1-2 parts by weight precipitated calcium carbonate carries out Encapsulation reaction 1-2h, cooling, filter, wash, 50-60 DEG C of drying, coating modification polypropylene fibre is obtained, by itself and 1-2 weight Part vinal mixes, and obtains composite fibre;
    (2)The preparation of modified pitch:
    1-2 parts by weight carbon nano-fibers are dried in 104-106 DEG C of baking oven, modifying agent is mixed to obtain with 1-3 parts by weight SBS;Will 10-15 parts by weight matrix pitches are heated to 160-162 DEG C of thawing, add modifying agent, and 170-180 is warming up to after stirring 5-10min DEG C, high-speed stirred 10-12min, then stirring at low speed eliminate bubble, are mixed with 4-5 parts by weight styrene-butadiene emulsions, obtain modified pitch;
    (3)The surface coating modification of expanded and vitrified small ball:
    9-11 parts by weight expanded and vitrified small balls are crossed into 40-60 mesh sieves, the dry 1-2h at 105-110 DEG C, with modifying agent phenolic aldehyde tree Fat ethanol solution is mixed, and modifying agent is coated uniformly on the surface of expanded and vitrified small ball, then cures at 160-162 DEG C 30-34min, obtains modified expanded glass bead;
    (4)Fibre reinforced composites thermal insulation board:
    26-29 weight parts of fine coal ash, 190-195 parts by weight of cement are poured into mixer, add water stirring 1-2min to be sufficiently mixed; Add 2-3 parts by weight redispersable latex powder, 0.8-0.9 parts by weight doughnut, 2-3 parts by weight hydrophobics powder, 2-2.2 weight Part hydroxypropyl methyl cellulose, stirs 30-50s;It is poured slowly into gains in 9-10 parts by weight granular polystyrene and (1), (2), (3) Material, is sufficiently stirred 5-6min, foam beads surface is uniformly wrapped up in slurry;The particle slurry stirred evenly is poured into mould, is compacted Strike off, form removal after 5-6h, is carried, standard curing every other day.
  3. 3. a kind of preparation method of expanded and vitrified small ball according to claim 2-fibre-reinforced composite insulation boards, it is special Sign is, step(1)The middle long 3-5mm of fiber.
  4. 4. a kind of preparation method of expanded and vitrified small ball according to claim 2-fibre-reinforced composite insulation boards, it is special Sign is, step(2)High speed mixing speed is 5000-6000rpm.
  5. 5. a kind of preparation method of expanded and vitrified small ball according to claim 2-fibre-reinforced composite insulation boards, it is special Sign is, step(3)Middle modifying agent phenolic resin ethanol solution is anhydrous to the medium volume addition of 14-16 parts by weight of phenolic resin Ethanol dilutes.
  6. 6. a kind of preparation method of expanded and vitrified small ball according to claim 2-fibre-reinforced composite insulation boards, it is special Sign is, step(4)Middle cement is 42.5 grades of Portland cements, and hydrophobic powder is multi-component copolymer hydrophobic powder, and water/rubber powder ratio is 0.5-0.7, wherein hydroxypropyl methyl cellulose will be opened first with warm water stirring.
CN201711056604.8A 2017-11-01 2017-11-01 A kind of preparation method of expanded and vitrified small ball-fibre-reinforced composite insulation boards Pending CN107954655A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108640574A (en) * 2018-05-15 2018-10-12 史茜赟 A kind of preparation method of Anti-pressure acoustic tile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973721A (en) * 2010-09-14 2011-02-16 武汉纺织大学 Method for preparing small expended and vitrified ball with reinforcing layer coated on surface
CN101993226A (en) * 2010-09-27 2011-03-30 江苏尼高科技有限公司 High-performance polyurethane external thermal insulation anti-crack leveling mortar and construction method thereof
CN105131621A (en) * 2015-09-24 2015-12-09 英达热再生有限公司 SBS (Styrene Butadiene Styrene)-modified asphalt and preparation method thereof
CN106278015A (en) * 2016-07-26 2017-01-04 蚌埠市方阵商品混凝土有限公司 A kind of concrete with excellent impact resistance energy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973721A (en) * 2010-09-14 2011-02-16 武汉纺织大学 Method for preparing small expended and vitrified ball with reinforcing layer coated on surface
CN101993226A (en) * 2010-09-27 2011-03-30 江苏尼高科技有限公司 High-performance polyurethane external thermal insulation anti-crack leveling mortar and construction method thereof
CN105131621A (en) * 2015-09-24 2015-12-09 英达热再生有限公司 SBS (Styrene Butadiene Styrene)-modified asphalt and preparation method thereof
CN106278015A (en) * 2016-07-26 2017-01-04 蚌埠市方阵商品混凝土有限公司 A kind of concrete with excellent impact resistance energy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108640574A (en) * 2018-05-15 2018-10-12 史茜赟 A kind of preparation method of Anti-pressure acoustic tile

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