CN106630835A - Porous alumina aerogel modified regenerated EPS particle-Portland cement composite foamed heat retaining board and preparation method thereof - Google Patents

Porous alumina aerogel modified regenerated EPS particle-Portland cement composite foamed heat retaining board and preparation method thereof Download PDF

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Publication number
CN106630835A
CN106630835A CN201611175259.5A CN201611175259A CN106630835A CN 106630835 A CN106630835 A CN 106630835A CN 201611175259 A CN201611175259 A CN 201611175259A CN 106630835 A CN106630835 A CN 106630835A
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China
Prior art keywords
portland cement
eps particles
preparation
heat retaining
powder
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CN201611175259.5A
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Chinese (zh)
Inventor
吴传兴
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Maanshan Jiechuang Plastic Science & Technology Co Ltd
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Maanshan Jiechuang Plastic Science & Technology Co Ltd
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Priority to CN201611175259.5A priority Critical patent/CN106630835A/en
Publication of CN106630835A publication Critical patent/CN106630835A/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
    • 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
    • C04B20/1066Oxides, Hydroxides
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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 invention discloses a porous alumina aerogel modified regenerated EPS particle-Portland cement composite foamed heat retaining board. According to the foamed heat retaining board, waste polystyrene foam plastic with low cost is modified, regenerated EPS particles with good comprehensive mechanical performance, the low coefficient of thermal expansion and the better anti-flaming and temperature-resistant effect are obtained, porous composite alumina aerogel is prepared through aluminum isopropoxide hydrolysis to carry out surface coating treatment on the regenerated EPS particles, the bonding strength of the regenerated EPS particles and cement slurry is effectively improved, the stability and the suspension property are improved, and the more excellent heat insulating and heat retaining effects are achieved; through the cooperation with raw materials such as Portland cement, straw powder, ceramic waste residues, coal ash and foamed aluminum powder, the product with good mechanical performance, efficient heat insulating and heat retaining and low weight is prepared after foaming treatment is completed, the product is economical and practical, the production process is efficient and simple, and application prospects are good.

Description

A kind of Woelm Alumina aeroge modification regeneration EPS particles-portland cement is compound to be sent out Bubble warming plate and preparation method thereof
Technical field
The present invention relates to cement foaming insulation board technical field, more particularly to a kind of Woelm Alumina aeroge modification regeneration EPS particles-composite foamed warming plate of portland cement and preparation method thereof.
Background technology
The Important Action that exterior wall heat-preserving system is building trade energy-saving and emission-reduction is set up outside building, while setting up outer Wall heat-insulation system can avoid producing heat bridge;Indoor temperature can also be adjusted according to seasonal variations, it is to avoid indoor/outdoor temperature-difference is to body of wall Cause damage, affect using safety and life-span.Now external-wall heat-insulation material on the market is essentially:Phenolic aldehyde, rock cotton board, mineral wool Plate, styrofoam, extruded sheet, ultra-thin vacuum heat-insulating plate etc..Wherein, relatively costly, and phenolic aldehyde, the polyphenyl of rock wool, glass bead The fire protecting performance wretched insufficiency such as plate, extruded sheet, potential safety hazard is more, thus contrast apparently cement foaming insulation board have it is more excellent Combination property, be more suitable for as architecture exterior wall insulating materials.
Cement foaming insulation board is formed with the raw material Jing chemical foam blowing agents such as cement, flyash, slag, silicon ash, former The selection of material and technique will directly influence the performance of product, and cement foaming material quality in the market is uneven, The aspect Shortcomings such as adhesion strength, resistance to water, resistance to ag(e)ing.《The research of compound EPS granule foaming cements foaming insulation board》 Portland cement and modified EPS particle mixed foaming have been made a kind of inorganic/organic composite insulation material, with good by one text Good insulation, water-fast, flame retardant effect, but EPS particles rigidity is higher, brittle easily to split, thermal coefficient of expansion is larger, is easily deformed out Split, directly affect the performance of composite board, it is therefore desirable to which it is further modified, to improve its performance.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of Woelm Alumina aeroge modification regeneration EPS particles-composite foamed warming plate of portland cement and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of Woelm Alumina aeroge modification regeneration EPS particles-composite foamed warming plate of portland cement, the foaming insulation board It is made up of the raw material of following weight portion:Portland cement 30-40,200-300 mesh powder of straw 8-12,400-500 mesh ceramic waste residue 12-15, flyash 15-18, regeneration EPS particle 30-40,50-80 mesh foam aluminium powder 4-5, polyether modified silicon oil 0.5-1, isopropyl Aluminium alcoholates 1-1.5, concentration are hydrogen peroxide 5-6, the appropriate amount of water of 20-25%.
Described regeneration EPS particles are made up of the raw material of following weight portion:Waste old polystyrene foamed plastic particle 20- 30th, silane coupler 0.5-1, TPE thermoplastic elastomer (TPE)s 5-8,400-600 mesh sodium zirconium phosphate ceramic powder 8-10, nitrogen 4-5; Preparation method is:By waste old polystyrene foamed plastic particle, silane coupler, TPE thermoplastic elastomer (TPE)s, sodium zirconium phosphate ceramics Powder is sent into feed system and is well mixed, and subsequently melting mixing in input double screw extruder, and nitrogen injection is foamed Process, last melt Jing double screw extruders extruding pelletization screening, Task-size Controlling is obtained final product in≤1mm.
A kind of described Woelm Alumina aeroge modification regeneration EPS particles-composite foamed warming plate of portland cement Preparation method is:
(1)The water of 30-40 weight portions is taken, 75-80 DEG C is heated to, aluminium isopropoxide is put into, constant temperature stirring reaction 1-2h, reaction terminates Afterwards system is warming up to 85-90 DEG C, and after reaction 20-30min 50-60 DEG C is cooled to, and polyether modified silicon oil is added dropwise, and stirs when being added dropwise Mix, stirring reaction 2-3h after completion of dropping, by mixed solution even application to regeneration EPS particle surfaces, spraying finishes Afterwards 20-30min is processed with 60-70 DEG C of heated-air drying, obtain the modified regeneration EPS particles of porous composite alumina aeroge standby;
(2)Portland cement, powder of straw, ceramic waste residue, flyash, foam aluminium powder are put into together in high speed mixer, is added Appropriate water, after high-speed stirred mixing 3-5min step is put into(1)The modified regeneration of the porous composite alumina aeroge of preparation EPS particles, continue to stir mixing 4-5min, finally add hydrogen peroxide, pour into a mould mixed slurry after quick stirring mixing 4-5s Enter mold forming, it is foamed quiet to stop, conserve, obtaining final product the foaming insulation board after the demoulding.
Waste old polystyrene foamed plastic with low cost is modified process by the present invention, is obtained with good resultant force The better regeneration EPS particles of performance, low thermal coefficient of expansion and fire-retardant heatproof, and make porous using aluminium isopropoxide hydrolysis Composite alumina aeroge carries out Surface coating process to it, effectively raises the combination of regeneration EPS particles and cement slurry Intensity, improves its stability and suspension, more excellent heat insulation and preservation effect is obtained, with portland cement, powder of straw, ceramics The raw materials such as waste residue, flyash, foam aluminium powder act synergistically, and have been obtained after foaming is processed with excellent mechanical performances and efficiently Heat-insulated, insulation, the product of lightweight, economical and practical, production process is efficiently simple, and application prospect is good.
Specific embodiment
A kind of Woelm Alumina aeroge modification regeneration EPS nanoparticulate silicates cementitious composite foaming insulation boards, the foaming is protected Warm plate is made up of the raw material of following weight portion:Portland cement 30,200 mesh powder of straw 8,400 mesh ceramic waste residues 12, flyash 15th, regenerate EPS particles 30,50 mesh foam aluminium powders 4, polyether modified silicon oil 0.5, the hydrogen peroxide 5 that aluminium isopropoxide 1, concentration is 20%, Appropriate amount of water.
Wherein regenerate EPS particles to be made up of the raw material of following weight portion:Waste old polystyrene foamed plastic particle 20, silane Coupling agent 0.5, TPE thermoplastic elastomer (TPE)s 5,400 mesh sodium zirconium phosphate ceramic powders 8, nitrogen 4;Preparation method is:By waste and old polyphenyl Vinylic foam particle, silane coupler, TPE thermoplastic elastomer (TPE)s, sodium zirconium phosphate ceramic powder are sent into feed system and are mixed Close uniform, subsequently melting mixing in input double screw extruder, and nitrogen injection carries out foaming process, last melt Jing twin-screws Extruder extruding pelletization is sieved, and Task-size Controlling is obtained final product in≤1mm.
The preparation method of the composite insulation boards is:
(1)The water of 30 weight portions is taken, 75 DEG C are heated to, aluminium isopropoxide is put into, constant temperature stirring reaction 1h, reaction terminates rear system liter Temperature is cooled to 50 DEG C to 85 DEG C after reaction 20min, and polyether modified silicon oil is added dropwise, and stirs when being added dropwise, and stirs after completion of dropping Reaction 2h, by the mixed solution even application of institute to regeneration EPS particle surfaces, sprays after finishing with the process of 60 DEG C of heated-air dryings 20min, obtains the modified regeneration EPS particles of porous composite alumina aeroge standby;
(2)Portland cement, powder of straw, ceramic waste residue, flyash, foam aluminium powder are put into together in high speed mixer, is added Appropriate water, after high-speed stirred mixing 3min step is put into(1)The modified regeneration EPS of the porous composite alumina aeroge of preparation Particle, continues to stir mixing 4min, finally adds hydrogen peroxide, after quick stirring mixing 4s by mixed slurry be poured into mould into Type, it is foamed quiet to stop, conserve, obtaining final product the foaming insulation board after the demoulding.
Obtained warming plate carries out performance test according to relevant criterion, and test result is:
Density:205.4kg/m3;Thermal conductivity factor:0.032W/(m2.k);Compression strength:1.45MPa;Water absorption rate:3.2%;It is fire-retardant Grade:A.

Claims (3)

1. a kind of Woelm Alumina aeroge modification regeneration EPS particles-composite foamed warming plate of portland cement, its feature exists In the foaming insulation board is made up of the raw material of following weight portion:Portland cement 30-40,200-300 mesh powder of straw 8-12, 400-500 mesh ceramic waste residue 12-15, flyash 15-18, regeneration EPS particle 30-40,50-80 mesh foam aluminium powder 4-5, polyethers change Property silicone oil 0.5-1, aluminium isopropoxide 1-1.5, concentration for 20-25% hydrogen peroxide 5-6, appropriate amount of water.
2. a kind of Woelm Alumina aeroge modification regeneration EPS particles-portland cement as claimed in claim 1 is composite foamed Warming plate, it is characterised in that described regeneration EPS particles are made up of the raw material of following weight portion:Waste polystyrene foam is moulded Material particle 20-30, silane coupler 0.5-1, TPE thermoplastic elastomer (TPE) 5-8,400-600 mesh sodium zirconium phosphate ceramic powder 8-10, Nitrogen 4-5;Preparation method is:By waste old polystyrene foamed plastic particle, silane coupler, TPE thermoplastic elastomer (TPE)s, phosphoric acid Zirconium sodium ceramic powder is sent into feed system and is well mixed, subsequently melting mixing in input double screw extruder, and nitrogen injection Foaming process is carried out, last melt Jing double screw extruders extruding pelletization screening, Task-size Controlling is obtained final product in≤1mm.
3. a kind of Woelm Alumina aeroge modification regeneration EPS particles-portland cement as claimed in claim 1 is composite foamed The preparation method of warming plate, it is characterised in that described preparation method is:
(1)The water of 30-40 weight portions is taken, 75-80 DEG C is heated to, aluminium isopropoxide is put into, constant temperature stirring reaction 1-2h, reaction terminates Afterwards system is warming up to 85-90 DEG C, and after reaction 20-30min 50-60 DEG C is cooled to, and polyether modified silicon oil is added dropwise, and stirs when being added dropwise Mix, stirring reaction 2-3h after completion of dropping, by mixed solution even application to regeneration EPS particle surfaces, spraying finishes Afterwards 20-30min is processed with 60-70 DEG C of heated-air drying, obtain the modified regeneration EPS particles of porous composite alumina aeroge standby;
(2)Portland cement, powder of straw, ceramic waste residue, flyash, foam aluminium powder are put into together in high speed mixer, is added Appropriate water, after high-speed stirred mixing 3-5min step is put into(1)The modified regeneration of the porous composite alumina aeroge of preparation EPS particles, continue to stir mixing 4-5min, finally add hydrogen peroxide, pour into a mould mixed slurry after quick stirring mixing 4-5s Enter mold forming, it is foamed quiet to stop, conserve, obtaining final product the foaming insulation board after the demoulding.
CN201611175259.5A 2016-12-19 2016-12-19 Porous alumina aerogel modified regenerated EPS particle-Portland cement composite foamed heat retaining board and preparation method thereof Withdrawn CN106630835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107903518A (en) * 2017-10-19 2018-04-13 合肥朗胜新材料有限公司 A kind of EPS sheet material and its processing technology
CN113045335A (en) * 2021-04-28 2021-06-29 绍兴职业技术学院 Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107903518A (en) * 2017-10-19 2018-04-13 合肥朗胜新材料有限公司 A kind of EPS sheet material and its processing technology
CN113045335A (en) * 2021-04-28 2021-06-29 绍兴职业技术学院 Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage
CN113045335B (en) * 2021-04-28 2022-05-17 绍兴职业技术学院 Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage

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