CN107892537A - A kind of preparation method for the plasterboard for adding aliphatic acid silica phase-transition heat-storage composite - Google Patents

A kind of preparation method for the plasterboard for adding aliphatic acid silica phase-transition heat-storage composite Download PDF

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Publication number
CN107892537A
CN107892537A CN201711053344.9A CN201711053344A CN107892537A CN 107892537 A CN107892537 A CN 107892537A CN 201711053344 A CN201711053344 A CN 201711053344A CN 107892537 A CN107892537 A CN 107892537A
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China
Prior art keywords
acid
phase
preparation
transition heat
plasterboard
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Pending
Application number
CN201711053344.9A
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Chinese (zh)
Inventor
宋庆海
康志国
苏华
刘志国
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Taishan Gypsum (tongling) Co Ltd
Taishan Gypsum Co Ltd
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Taishan Gypsum (tongling) Co Ltd
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Priority to CN201711053344.9A priority Critical patent/CN107892537A/en
Publication of CN107892537A publication Critical patent/CN107892537A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions 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 calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00258—Electromagnetic wave absorbing or shielding materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a kind of preparation method for the plasterboard for adding aliphatic acid silica phase-transition heat-storage composite, it is characterized in that, using gypsum as matrix material, acetylene carbon black is main wave absorbing agent, add granules of polystyrene, expanded perlite, pretreatment carbon fiber, silicone modified styrene-acrylate emulsion is added, the waterproof gypsum board with electro-magnetic wave absorption performance is made；Using tetraethyl orthosilicate as raw material, absolute ethyl alcohol is solvent, and hydrochloric acid is catalyst preparation silica dioxide gel；Using ten acid and lauric acid/dodecanoic acid as phase-change material, aliphatic acid silica phase-transition heat-storage composite is prepared with silica hybrid sol-gel method；To inhale ripple waterproof gypsum board as matrix, phase transformation plasterboard is prepared using directly joining method.

Description

A kind of system for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite Preparation Method
Technical field
The present invention relates to plasterboard field, and in particular to one kind addition aliphatic acid-silica phase-transition heat-storage composite Plasterboard preparation method.
Background technology
With the fast development of electronic technology and informationized society, spacing electromagnetic radiation is increasingly heavier, WHO Electromagnetic pollution is classified as the fourth-largest environmental pollution after water, air and solid waste, architecture indoor electromagnetic pollution is prevented Shield is paid much attention to by various countries, has become international research focus.Building is human being's production and the main place of life, to reduce Electromagnetic radiation caused by electronic product and equipment application, electromagnetic protection technology can be used architectural.Binder materials is using most Extensive construction material, reach the method that electromagnetic protection is simple possible by adding wave absorbing agent in binder materials.
The content of the invention
The present invention solves the technical problem of provide a kind of addition aliphatic acid-silica phase-transition heat-storage composite Plasterboard preparation method, according to this method prepare plasterboard there is good electro-magnetic wave absorption performance and waterproof water resistance Can, while there is suitable phase transition temperature and preferable thermal storage performance.
The technical problems to be solved by the invention are realized using following technical scheme：
It is a kind of add aliphatic acid-silica phase-transition heat-storage composite plasterboard preparation method, it is characterised in that by with Lower step is carried out：
（1）Sol-gel process prepares phase-transition heat-storage composite：
Tetraethyl orthosilicate, absolute ethyl alcohol, water are pressed 1:(3-4):7 are mixed, the heating stirring 15- in 60-62 DEG C of water-bath 17min, hydrochloric acid catalysis are added dropwise, regulation pH value of solution is 3-4, continues to stir sol gel reaction 30-32min, adds aliphatic acid and mixes Compound, continue to stir, after forming collosol and gel, 80-82 DEG C of insulation aging 60-65min, be put into 80-82 DEG C of baking oven and dry extremely Constant weight, obtain phase-transition heat-storage composite；
（2）Pre-process the preparation of carbon fiber：
The H that concentration is 0.4-0.6mol/L is added in the 1-2 part carbon fibers for being 1-2mm to length3PO4Electrolyte, in 50V voltages Lower energization 1-2h, with clear water impurity screening 3-5 times, dried after taking-up in 104-106 DEG C of vacuum drying chamber, obtain pre-processing carbon Fiber；
（3）The preparation of silicone modified styrene-acrylate emulsion：
By 9-10 parts butyl acrylate, 8-9 parts styrene and 20-25 parts deionized water, 1-2 parts compound emulsifying agent, 1-2 part ethene Ethyl triethoxy silicane alkane mixes, and stirs pre-emulsification 35-45min, adds 0.5-1 part initiator potassium persulfates solution, sodium acid carbonate Solution, 80-85 DEG C of back flow reaction 2-3h is heated to, filtering and discharging after cooling, silicone modified styrene-acrylate emulsion is made；
（4）The preparation of phase-change energy-storage gypsum plate：
95-105 parts land plaster is well mixed with 2-3 part acetylene carbon blacks, by ratio of mud 0.5-0.6:1 mixes with water, with a high speed Dispersing stirrer is sanded to stir, add 20-30 parts expanded perlites, 6-9 parts granules of polystyrene and（1）（2）（3）Middle institute Material is obtained, continues stirring to being well mixed, mixture is poured into mould rapidly, is compacted and strikes off, taken off after exothermic reaction hardening Mould, dried in ventilation, obtain phase-change energy-storage gypsum plate.
Wherein, step（1）Middle fatty acid mixt is ten acid/lauric acid/dodecanoic acid using mass ratio as 2:1 mixing, addition 27- 30%.Step（3）Middle compound emulsifying agent is OP-10, lauryl sodium sulfate 3-4:1 compounding.Step（4）Middle mixing speed is 2000-3000r/min, the particle diameter of expanded perlite is 1mm.
The present invention reaction mechanism and have the beneficial effect that：
Acetylene carbon black is the resistance loss type wave absorbing agent that a kind of dielectric constant is big, the electrical loss factor is high, nano-scale and high structure Property also makes it have stronger loss ability；Expanded perlite is the low electromagnetic wave transparent material of dielectric constant, can improve the suction ripple of plasterboard Performance；Through H3PO4The treated carbon fiber surface of electrolyte is smooth, good dispersion, and pretreatment carbon fiber can improve composite Absorbing property；Expanded perlite has unique loose structure, and acetylene carbon black may be homogenously dispersed in inside it, granules of polystyrene Surface is uniform, then by acetylene carbon black and compound, the dielectric constant of modulated composite for pre-processing carbon fiber, so as to be made High performance electromagnetic wave absorbent material；Silicone modified styrene-acrylate emulsion is added, the water-fast suction ripple gypsum material of waterproof is made.
Using tetraethyl orthosilicate as raw material, absolute ethyl alcohol is solvent, and hydrochloric acid is catalyst preparation silica dioxide gel；With ten acid It is phase-change material with lauric acid/dodecanoic acid, aliphatic acid-silica phase-transition heat-storage composite wood is prepared with silica complex sol-gel method Material；To inhale ripple waterproof gypsum board as matrix, using directly joining method prepare phase transformation plasterboard, have suitable phase transition temperature and compared with Good thermal storage performance.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
Embodiment
A kind of preparation method for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite, it is characterised in that Carry out according to the following steps：
（1）Sol-gel process prepares phase-transition heat-storage composite：
Tetraethyl orthosilicate, absolute ethyl alcohol, water are pressed 1:3:7 are mixed, the heating stirring 17min in 60-62 DEG C of water-bath, are added dropwise Hydrochloric acid catalysis, regulation pH value of solution is 3, continues to stir sol gel reaction 32min, adds fatty acid mixt, continue to stir, After forming collosol and gel, 80-82 DEG C of insulation aging 65min, it is put into 80-82 DEG C of baking oven and dries to constant weight, obtain phase-transition heat-storage Composite；
（2）Pre-process the preparation of carbon fiber：
The H that concentration is 0.4mol/L is added into 1 part of carbon fiber that length is 1-2mm3PO4Electrolyte, it is powered under 50V voltages 1h, with clear water impurity screening 3 times, dried after taking-up in 104-106 DEG C of vacuum drying chamber, obtain pre-processing carbon fiber；
（3）The preparation of silicone modified styrene-acrylate emulsion：
By 9 parts of butyl acrylates, 8 parts of styrene and 20 parts of deionized waters, 1 part of compound emulsifying agent, 1 part of vinyl triethoxyl silicon Alkane mixes, and stirs pre-emulsification 35min, adds 0.5 part of initiator potassium persulfate solution, sodium bicarbonate solution, is heated to 80-85 DEG C Back flow reaction 2h, filtering and discharging after cooling, silicone modified styrene-acrylate emulsion is made；
（4）The preparation of phase-change energy-storage gypsum plate：
95 parts of land plasters are well mixed with 2 parts of acetylene carbon blacks, by the ratio of mud 0.5:1 mixes with water, and scattered stir is sanded with high speed Device is mixed to stir, add 20 parts of expanded perlites, 6 parts of granules of polystyrene and（1）（2）（3）Middle resulting material, continue to stir To being well mixed, mixture is poured into mould rapidly, is compacted and strikes off, be stripped after exothermic reaction hardening, dried in ventilation, Obtain phase-change energy-storage gypsum plate.
Wherein, step（1）Middle fatty acid mixt is ten acid/lauric acid/dodecanoic acid using mass ratio as 2:1 mixing, addition 27%. Step（3）Middle compound emulsifying agent is OP-10, lauryl sodium sulfate 3:1 compounding.Step（4）Middle mixing speed is 2000r/ Min, the particle diameter of expanded perlite is 1mm.

Claims (5)

  1. A kind of 1. preparation method for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite, it is characterised in that with Gypsum is matrix material, and acetylene carbon black is main wave absorbing agent, addition granules of polystyrene, expanded perlite, pretreatment carbon fiber, Silicone modified styrene-acrylate emulsion is added, the waterproof gypsum board with electro-magnetic wave absorption performance is made；Using tetraethyl orthosilicate as original Material, absolute ethyl alcohol is solvent, and hydrochloric acid is catalyst preparation silica dioxide gel；Using ten acid and lauric acid/dodecanoic acid as phase-change material, with two Oxidation silicon composite sol-gel method prepares aliphatic acid-silica phase-transition heat-storage composite；To inhale ripple waterproof gypsum board as base Body, phase transformation plasterboard is prepared using directly joining method.
  2. A kind of 2. preparation for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite according to claim 1 Method, it is characterised in that carry out according to the following steps：
    （1）Sol-gel process prepares phase-transition heat-storage composite：
    Tetraethyl orthosilicate, absolute ethyl alcohol, water are pressed 1:(3-4):7 are mixed, the heating stirring 15- in 60-62 DEG C of water-bath 17min, hydrochloric acid catalysis are added dropwise, regulation pH value of solution is 3-4, continues to stir sol gel reaction 30-32min, adds aliphatic acid and mixes Compound, continue to stir, after forming collosol and gel, 80-82 DEG C of insulation aging 60-65min, be put into 80-82 DEG C of baking oven and dry extremely Constant weight, obtain phase-transition heat-storage composite；
    （2）Pre-process the preparation of carbon fiber：
    The H that concentration is 0.4-0.6mol/L is added in the 1-2 part carbon fibers for being 1-2mm to length3PO4Electrolyte, in 50V voltages Lower energization 1-2h, with clear water impurity screening 3-5 times, dried after taking-up in 104-106 DEG C of vacuum drying chamber, obtain pre-processing carbon Fiber；
    （3）The preparation of silicone modified styrene-acrylate emulsion：
    By 9-10 parts butyl acrylate, 8-9 parts styrene and 20-25 parts deionized water, 1-2 parts compound emulsifying agent, 1-2 part ethene Ethyl triethoxy silicane alkane mixes, and stirs pre-emulsification 35-45min, adds 0.5-1 part initiator potassium persulfates solution, sodium acid carbonate Solution, 80-85 DEG C of back flow reaction 2-3h is heated to, filtering and discharging after cooling, silicone modified styrene-acrylate emulsion is made；
    （4）The preparation of phase-change energy-storage gypsum plate：
    95-105 parts land plaster is well mixed with 2-3 part acetylene carbon blacks, by ratio of mud 0.5-0.6:1 mixes with water, with a high speed Dispersing stirrer is sanded to stir, add 20-30 parts expanded perlites, 6-9 parts granules of polystyrene and（1）（2）（3）Middle institute Material is obtained, continues stirring to being well mixed, mixture is poured into mould rapidly, is compacted and strikes off, taken off after exothermic reaction hardening Mould, dried in ventilation, obtain phase-change energy-storage gypsum plate.
  3. A kind of 3. preparation for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite according to claim 2 Method, it is characterised in that step（1）Middle fatty acid mixt is ten acid/lauric acid/dodecanoic acid using mass ratio as 2:1 mixing, addition are 27-30%。
  4. A kind of 4. preparation for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite according to claim 2 Method, it is characterised in that step（3）Middle compound emulsifying agent is OP-10, lauryl sodium sulfate 3-4:1 compounding.
  5. A kind of 5. preparation for the plasterboard for adding aliphatic acid-silica phase-transition heat-storage composite according to claim 2 Method, it is characterised in that step（4）Middle mixing speed is 2000-3000r/min, and the particle diameter of expanded perlite is 1mm.
CN201711053344.9A 2017-11-01 2017-11-01 A kind of preparation method for the plasterboard for adding aliphatic acid silica phase-transition heat-storage composite Pending CN107892537A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110345542A (en) * 2019-07-03 2019-10-18 西安交通大学 A kind of composite material and heat reservoir based on microwave heating and its working method
CN110407548A (en) * 2019-06-21 2019-11-05 邓道美 A kind of preparation method of electromagnetic wave absorbability composite gypsum material
CN110746173A (en) * 2019-11-25 2020-02-04 和县明生环保材料有限责任公司 Preparation method of baking-free brick with good freezing resistance

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CN101121877A (en) * 2006-08-11 2008-02-13 同济大学 Method for preparing shaped composite phase-change material

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CN101121877A (en) * 2006-08-11 2008-02-13 同济大学 Method for preparing shaped composite phase-change material

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SHUAI XIE等: "Electromagnetic wave absorption enhancement of carbon black/gypsum based composites filled with expanded perlite", 《COMPOSITES PART B: ENGINEERING》 *
朱圆圆: "相变储能石膏板的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 *
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110407548A (en) * 2019-06-21 2019-11-05 邓道美 A kind of preparation method of electromagnetic wave absorbability composite gypsum material
CN110407548B (en) * 2019-06-21 2023-08-29 黄梅龙源石膏有限公司 Preparation method of electromagnetic wave absorption gypsum composite material
CN110345542A (en) * 2019-07-03 2019-10-18 西安交通大学 A kind of composite material and heat reservoir based on microwave heating and its working method
CN110746173A (en) * 2019-11-25 2020-02-04 和县明生环保材料有限责任公司 Preparation method of baking-free brick with good freezing resistance
CN110746173B (en) * 2019-11-25 2022-03-25 和县明生环保材料有限责任公司 Preparation method of baking-free brick with good freezing resistance

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Application publication date: 20180410