CN108265905A - A kind of diatomite wallpaper and preparation method with long-acting thermal-insulating, temperature adjustment - Google Patents
A kind of diatomite wallpaper and preparation method with long-acting thermal-insulating, temperature adjustment Download PDFInfo
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- CN108265905A CN108265905A CN201810077290.8A CN201810077290A CN108265905A CN 108265905 A CN108265905 A CN 108265905A CN 201810077290 A CN201810077290 A CN 201810077290A CN 108265905 A CN108265905 A CN 108265905A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- 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
- C08F120/00—Homopolymers 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
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
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- 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
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
- B32B2607/02—Wall papers, wall coverings
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of diatomite wallpapers and preparation method with long-acting thermal-insulating, temperature adjustment.By diatomite and phase-change material heating stirring, it soaks phase-change material and coats diatomite, the intensified pressure under ultrasound environments, discharging obtains diatomite phase-change material after cooling, it adds in methyl methacrylate, under initiator and foaming agent effect, radiates and micropore composite phase-change material is made, coated between two layers of polyvinyl chloride film, composite diatomite wallpaper is made after hot pressing.This method is fixedly secured by polymer overmold composite phase-change material and by its hot pressing on base material, solves the problems, such as the leakage of phase-change material, diatomite good dispersion, temperature adjustment, damping ability are good, and heat insulation effect is lasting, and entire preparation process is simple, easily manipulation, raw material is easy to get, and production cost is low, can industrialization promotion production.
Description
Technical field
The present invention relates to wallpaper preparation fields, and in particular to keeps the temperature the wallpaper of temperature adjustment function, has more particularly to one kind
Long-acting thermal-insulating, the diatomite wallpaper and preparation method of temperature adjustment.
Background technology
With popularizing for house fitting-up, requirement of the people for wall decoration be not also confined to coating products, but more
Carry out more wall paper products using pattern numerous in variety fineness.Wallpaper is using paper material as base material, with poly- as its name suggests
Vinyl chloride, fiber and paper material etc. are face coat, by wall decorative material a kind of made of series of processes, have color
A variety of other house decorative material institutes nothings such as color various, pattern enriches, luxurious style, safety and environmental protection, easy for construction, affordable
The characteristics of method is compared, application is more and more extensive.Wallpaper is divided with its Facing material, is mainly had：Papery wallpaper, glue surface wallpaper, wall
Cloth wallpaper, metal wallpaper, natural material wallpaper, new type functional wallpaper etc..Kieselguhr wall wherein in new type functional wallpaper
Paper is increasingly taken seriously because of its good characteristic.
Diatomite wallpaper is using diatomite as the interior decoration wall material of main raw material(s).Diatomite has countless micropores in itself,
The functions such as deodorization and sterilization, fire protection flame retarding, absorbing sound and lowering noise are splendid, and it can be automatically adjusted according to the variation of morning and evening weather and the temperature difference
Indoor temperature and humidity.It is light wear-resisting convenient for repairing due to diatom ooze health environment-friendly, not only there is fine dicoration, also have
Functionality is the house decorative material of new generation for substituting wallpaper and emulsion paint.The diatomite temperature adjustment wallpaper of emerging development in recent years
It is mixed by phase-change material and diatomite, then heat preservation wallpaper is made with polymer meltings blendings such as polyvinyl chloride, by people blueness
It looks at, since the dispersion of diatomite in the plastic is uneven, easily reunites, influence the performance of product.Therefore to diatomite wallpaper,
In terms of the research of particularly diatomite temperature adjustment wallpaper is concentrated mainly on diatomaceous dispersion problem.
Chinese invention patent application number 201110222047.9 discloses a kind of diatomite Environment-friendlywallpaper wallpaper and preparation method thereof,
Specifically preparation method is：Dispersant and water are placed in high speed dispersor and are stirring evenly and then adding into diatomite and antifoaming agent, is stirred
Diatomite dispersion liquid is made；Sizing material, thickener, water-retaining agent, plasticizer are added under stirring at low speed, diatomite paint is made；It will
Gained diatomite paint is applied to by way of roller coating or blade coating on hanging raw stock, obtains diatomite Environment-friendlywallpaper wallpaper.
Chinese invention patent application number 201710410601.3 discloses a kind of modification infusorial earth antibacterial environment protection interior room wallpaper,
The wallpaper applies heated PVC paste material by base's paper and base paper overlying, embossing, impressing pattern are made, PVC paste material by PVC powder,
The raw materials such as modification infusorial earth are made by agitation grinding.
Chinese invention patent application number 201410747140.5 discloses a kind of plastic wall paper of fire-retardant heat insulation, including following
The raw material composition of parts by weight：40 ~ 60 parts of Corvic, 10 ~ 20 parts of diatomite, 10 ~ 15 parts of plant fiber, calcium carbonate 5 ~
10 parts, 5 ~ 10 parts of plasticizer, 3 ~ 8 parts of dispersant, 1 ~ 5 part of fire retardant, 1 ~ 5 part of surface conditioning agent, 0.5 ~ 2 part of stabilizer.
Chinese invention patent application number 201620530048.8 discloses a kind of temperature adjustment wallpaper, including gluing successively from bottom to up
The wallpaper base material of conjunction, the first polyurethane foaming layer, the second polyurethane foaming layer and wallpaper face layer, in the first polyurethane foaming layer and
An infrared barrier layer is coated between second polyurethane foaming layer, and is then distributed on the upper surface of the second polyurethane foaming layer
The cavity volume of a plurality of indents, filled with shaping phase-change material in the cavity volume of each indent, and in the second polyurethane foaming layer
An aluminium foil layer is then bonded between the layer of wallpaper face.
According to above-mentioned, diatomite temperature adjustment wallpaper is easily sent out because of diatomite poor dispersion in the polymer in existing scheme
It is raw to reunite, it is Nian Jie with polymeric substrate insecure, and then the performance of product is influenced, and easily reveal there are phase-change material, cause
The problems such as temperature adjustment and damping effect are poor, and insulating power is weak, and service life is short, while traditional preparation process is complicated and of high cost.
Invention content
For bad dispersibility existing for the wider diatomite temperature adjustment wallpaper of current application, easily reunite, be bonded insecure, phase transformation
Material is easily revealed, debugging heat insulation effect it is poor the problems such as, the present invention propose it is a kind of with long-acting thermal-insulating, temperature adjustment diatomite wallpaper and
Preparation method, so as to effectively increase the moisturizing thermoregulation effect of diatomite temperature adjustment wallpaper, while diatomite is uniformly dispersed, product
Energy is good and effect is lasting.
Specific technical solution of the present invention is as follows：
A kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, preparation process are：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；
（4）Polyvinyl chloride film is taken as base material, one layer of micropore composite phase-change material is coated in film surface, then press one layer it is porous poly-
Vinyl chloride film layer is sent into twin-roll machine and carries out hot pressing fitting, and it is thin that micropore composite phase-change material is fixed on two layers of polyvinyl chloride
Between film, composite diatomite wallpaper is made.
A kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, wherein preparing micropore composite phase-change
Each raw material of material is calculated as by weight：38 ~ 50 parts of diatomite, 20 ~ 25 parts of phase-change material, 12 ~ 15 parts of methyl methacrylate,
0.5-1 parts of foaming agent, 0.2-0.5 parts of benzoyl peroxide.
Preferably, the diatomaceous porosity is 80 ~ 90%, should be pre-dried to moisture content not higher than 2%.
Preferably, the phase-change material is paraffin.
Preferably, the foaming agent is azo-compound or sulfonyl hydrazines compound.
Preferably, the blender is one kind in helix(ribbon type) agitator, screw blender or propeller agitator.
Preferably, the ultrasound environments are generated by the supersonic generator that power is 100 ~ 300W, ultrasonic frequency for 40 ~
80kHz。
Preferably, the rate of pressure increase in the blender is 50 ~ 100kPa/min, and final pressure is 8 ~ 10MPa, is tieed up
The time is held as 3 ~ 5min.
Preferably, the radiation is using one kind in cobalt source gamma-rays, caesium source gamma-rays or iridium source gamma-rays.
Preferably, the thickness of the micropore composite phase-change material coat is 0.8 ~ 1.5mm.
Preferably, the gradient of the twin-roll machine is 3 ~ 5%, and drum speed is 1.5 ~ 3.5r/min.
Preferably, the heating temperature of the hot pressing fitting is 100 ~ 120 DEG C, and pressure is 15 ~ 25MPa.
A kind of diatomite wallpaper with long-acting thermal-insulating, temperature adjustment being prepared by the above method.
The present invention a kind of diatomite wallpaper and preparation method with long-acting thermal-insulating, temperature adjustment, by using polymer overmold
Composite diatomite phase-change material solves the problems, such as that phase-change material leaks in diatomite.And by using the mode of hot rolling,
Diatomite phase-change material can be firmly fixed among polyvinyl chloride film, solved diatomite doping and divided in the polymer
Dissipate the problem of bad.The wallpaper of the present invention has long-acting thermal-insulating, and the ability of temperature adjustment is able to maintain that the temperature of indoor comfortable for a long time
Degree.
Compared with prior art, the characteristics of protruding and excellent effect are：
1st, the method that the diatomite wallpaper with long-acting thermal-insulating, temperature adjustment is prepared using hot pressing composite phase-change material is proposed.
2nd, by polymer overmold composite diatomite phase-change material, solve that phase-change material leaks in diatomite asks
Topic, it is ensured that the temperature adjustment of temperature adjustment wallpaper, insulating power can maintain the temperature of indoor comfortable for a long time.
3rd, it can be firmly fixed among polyvinyl chloride film, solved by hot rolling diatomite phase-change material
Diatomite doping disperses the problem of bad in the polymer, it is ensured that the excellent performance of diatomite wallpaper itself, and service life
It is long.
4th, preparation process of the invention is simple, easily manipulates, and raw material is easy to get, and production cost is low, can industrialization promotion life
Production.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to following example.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is helix(ribbon type) agitator；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 200W
Raw device generates, ultrasonic frequency 60kHz；Rate of pressure increase in blender is 70kPa/min, final pressure 9MPa,
It holds time as 4min；Using ammonia refrigerant, cooling velocity is 4 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；
Radiation is using cobalt source gamma-rays；Each raw material for wherein preparing micropore composite phase-change material is calculated as by weight：Diatomite 38
Part, 25 parts of phase-change material, 15 parts of methyl methacrylate, 1 part of foaming agent, 0.4 part of benzoyl peroxide；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 1.1mm；The gradient of twin-roll machine is 4%, drum speed 2r/min；The heating temperature of hot pressing fitting is 110 DEG C, and pressure is
20MPa。
Embodiment 2
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is screw blender；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 100W
Raw device generates, ultrasonic frequency 40kHz；Rate of pressure increase in blender is 50kPa/min, final pressure 8MPa,
It holds time as 5min；Using methyl amine refrigerant, cooling velocity is 3 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；Radiation is using caesium source gamma-rays；Wherein prepare micropore composite phase-change material
Each raw material be calculated as by weight：45 parts of diatomite, 25 parts of phase-change material paraffin, 15 parts of methyl methacrylate, azo foaming
1 part of agent, 0.5 part of benzoyl peroxide；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 0.8mm；The gradient of twin-roll machine is 3%, drum speed 1.5r/min；The heating temperature of hot pressing fitting is 100 DEG C, and pressure is
25MPa。
Embodiment 3
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is propeller agitator；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 300W
Raw device generates, ultrasonic frequency 80kHz；Rate of pressure increase in blender is 100kPa/min, and final pressure is
10MPa holds time as 3min；Using sulfur dioxide refrigerant, cooling velocity is 6 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；
Radiation is using iridium source gamma-rays；Each raw material for wherein preparing micropore composite phase-change material is calculated as by weight：Diatomite 50
Part, 25 parts of phase-change material paraffin, 15 parts of methyl methacrylate, 0.5 part of azoic foaming agent, 0.2 part of benzoyl peroxide；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 1.5mm；The gradient of twin-roll machine is 5%, drum speed 3.5r/min；The heating temperature of hot pressing fitting is 120 DEG C, and pressure is
25MPa。
Embodiment 4
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is helix(ribbon type) agitator；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 150W
Raw device generates, ultrasonic frequency 50kHz；Rate of pressure increase in blender is 60kPa/min, final pressure 8MPa,
It holds time as 3min；Using diethyl ether refrigerant, cooling velocity is 4 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；Radiation is using cobalt source gamma-rays；Wherein prepare micropore composite phase-change material
Each raw material be calculated as by weight：40 parts of diatomite, 20 parts of phase-change material paraffin, 12 parts of methyl methacrylate, azo foaming
0.5 part of agent, 0.3 part of benzoyl peroxide；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 0.9mm；The gradient of twin-roll machine is 4%, drum speed 2r/min；The heating temperature of hot pressing fitting is 105 DEG C, and pressure is
22MPa。
Embodiment 5
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is screw blender；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 250W
Raw device generates, ultrasonic frequency 70kHz；Rate of pressure increase in blender is 90kPa/min, final pressure 10MPa,
It holds time as 3min；Using bromoethane, cooling velocity is 5 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；
Radiation is using caesium source gamma-rays；Each raw material for wherein preparing micropore composite phase-change material is calculated as by weight：Diatomite 38
Part, 20 parts of phase-change material paraffin, 15 parts of methyl methacrylate, 1 part of azoic foaming agent, 0.2 part of benzoyl peroxide；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 1.2mm；The gradient of twin-roll machine is 5%, drum speed 3r/min；The heating temperature of hot pressing fitting is 115 DEG C, and pressure is
18MPa。
Comparative example 1
Preparation process is：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；Blender is screw blender；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；Ultrasound environments are sent out by the ultrasonic wave that power is 250W
Raw device generates, ultrasonic frequency 70kHz；Rate of pressure increase in blender is 90kPa/min, final pressure 10MPa,
It holds time as 3min；Using bromoethane, cooling velocity is 5 DEG C/min for cooling；
（3）By step（2）Diatomite phase-change material obtained is made by spraying with diatomite phase-change material powder.Each raw material is pressed
Parts by weight are calculated as：38 parts of diatomite, 20 parts of phase-change material paraffin；
（4）Polyvinyl chloride film is taken as base material, one layer of composite phase-change material is coated, then press one layer of porous polychlorostyrene second in film surface
Alkene film layer is sent into twin-roll machine and carries out hot pressing fitting, and composite diatomite wallpaper is made；The average thickness of phase-change material coat
For 1.2mm；The gradient of twin-roll machine is 5%, drum speed 3r/min；The heating temperature of hot pressing fitting is 115 DEG C, and pressure is
18MPa。
The wallpaper that embodiment 1-5, comparative example 1 are obtained is for the debugging of confined space and heat preservation verification.At 1 cubic metre
Sticking wallpaper in confined space makes space temperature reach 26 DEG C by steam humidification machine（Temperature is 8 DEG C outside space）, relative humidity
Reach 80%；The temperature and humidity of confined space is tested after 6h, as shown in table 1.
Table 1：
| Performance indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 |
| Temperature after 6h（℃） | 20 | 23 | 21 | 19 | 20 | 16 |
| Loudness humidity after 6h（%） | 35 | 32 | 30 | 41 | 37 | 65 |
Claims (10)
1. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, preparation process are：
（1）Dry diatomite and phase-change material are added in blender, heats and stirs, phase-change material is made to be changed into liquid
Body soaks and is coated on diatomaceous surface；
（2）Stop stirring, slowly increase the pressure in blender under ultrasound environments, the phase-change material of liquid is perfused and enters silicon
It in the micropore of diatomaceous earth, discharges after Slow cooling, diatomite phase-change material is made；
（3）By step（2）Diatomite phase-change material obtained is added in methyl methacrylate, then adds in foaming agent and peroxide
Change benzoyl, by spraying and radiating initiation methyl methacrylate polymerization, be made using diatomite phase-change material as core, poly- methyl
Methacrylate is the micropore composite phase-change material of shell；
（4）Polyvinyl chloride film is taken as base material, one layer of micropore composite phase-change material is coated in film surface, then press one layer it is porous poly-
Vinyl chloride film layer is sent into twin-roll machine and carries out hot pressing fitting, and it is thin that micropore composite phase-change material is fixed on two layers of polyvinyl chloride
Between film, composite diatomite wallpaper is made.
2. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：Each raw material for wherein preparing micropore composite phase-change material is calculated as by weight：38 ~ 50 parts of diatomite, phase-change material 20 ~ 25
Part, 12 ~ 15 parts of methyl methacrylate, 0.5-1 parts of foaming agent, 0.2-0.5 parts of benzoyl peroxide.
3. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The diatomaceous porosity is 80 ~ 90%, should be pre-dried to moisture content not higher than 2%.
4. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The phase-change material is paraffin；The foaming agent is azo-compound or sulfonyl hydrazines compound,.
5. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The blender is one kind in helix(ribbon type) agitator, screw blender or propeller agitator.
6. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The ultrasound environments are generated by the supersonic generator that power is 100 ~ 300W, and ultrasonic frequency is 40 ~ 80kHz.
7. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：Rate of pressure increase in the blender is 50 ~ 100kPa/min, and final pressure is 8 ~ 10MPa, hold time as 3 ~
5min。
8. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The radiation is using one kind in cobalt source gamma-rays, caesium source gamma-rays or iridium source gamma-rays.
9. a kind of preparation method with long-acting thermal-insulating, the diatomite wallpaper of temperature adjustment, feature exist according to claim 1
In：The thickness of the micropore composite phase-change material coat is 0.8 ~ 1.5mm.
10. a kind of diatomite wallpaper with long-acting thermal-insulating, temperature adjustment that any one of claim 1-9 the methods are prepared.
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| CN201810077290.8A CN108265905A (en) | 2018-01-26 | 2018-01-26 | A kind of diatomite wallpaper and preparation method with long-acting thermal-insulating, temperature adjustment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090060A (en) * | 2021-04-02 | 2021-07-09 | 南通根博新材料科技有限公司 | Self-repairing type heat insulation wallboard with crack reminding function |
-
2018
- 2018-01-26 CN CN201810077290.8A patent/CN108265905A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090060A (en) * | 2021-04-02 | 2021-07-09 | 南通根博新材料科技有限公司 | Self-repairing type heat insulation wallboard with crack reminding function |
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