CN108729029A - A kind of the building decoration composite plastic film and preparation method of temperature controllable - Google Patents
A kind of the building decoration composite plastic film and preparation method of temperature controllable Download PDFInfo
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- CN108729029A CN108729029A CN201810494281.9A CN201810494281A CN108729029A CN 108729029 A CN108729029 A CN 108729029A CN 201810494281 A CN201810494281 A CN 201810494281A CN 108729029 A CN108729029 A CN 108729029A
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- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
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- B32B2307/30—Properties of the layers or laminate having particular thermal properties
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Abstract
The invention belongs to the technical fields of plastic film, provide a kind of the building decoration composite plastic film and preparation method of temperature controllable.This method first prepares using melamine resin as capsule material, is modified phase-change microcapsule as the graphene of core material using n-capric acid, butyl stearate, then it is added in polyimides spinning solution, non-woven fabrics is made through spinning and spun lacing, again by roller coating binder and compoiste adhering decoration coating, the building decoration composite plastic film of temperature controllable is made.Compared with conventional method, the building decoration composite plastic film of the preparation of the present invention, the n-capric acid of graphene modification, the phase-change microcapsule that butyl stearate is core material are mixed to the polyimide fiber that high heat conduction is made again with spinning solution, significantly improve the mechanical property and heat conductivility of laminated film, and there is good heat-storage thermoregulation performance, certain cushioning effect can be played to the heating of composite material and temperature-fall period, effectively reduce temperature fluctuation.
Description
Technical field
The invention belongs to the technical field of plastic film, provide a kind of temperature controllable building decoration composite plastic film and
Preparation method.
Background technology
With the promotion of people's living standard, people propose increasingly higher demands to the comfort of living environment, are
Meet requirement of the people to living environment comfort, while the consumption to fossil energy is greatly lowered, reduces greenhouse gases
Discharge, develop NEW TYPE OF COMPOSITE construction material, the heat resources such as solar energy utilized to become very promising new to greatest extent
Field.Energy-saving and temperature-regulating construction material is the new material that phase-change thermal storage technology is used for building energy saving field, and development is increasingly
It attracts attention.
Energy storage phase change material can automatic storage and release be considerable in certain temperature range according to the variation of environment temperature
Latent heat, reduce the fluctuating range of indoor temperature, improve indoor comfort, can be used for wall, wallboard, floor and furniture material
Deng.It to be inhaled when mainly using pure material or mixture phase-change material phase-state change occurs for energy-saving and temperature-regulating technology or when structure changes
It receives, discharge a large amount of thermal energy and stored up, is exothermic, have many advantages, such as that storage density is big, storage, rate of heat release are controllable.
Phase-change material can absorb and discharge latent heat of phase change in its phase transition process, to the effect for reaching storage and releasing energy
Fruit is current one of the research emphasis for alleviating energy shortage problem.Phase-change material micro-capsuleization can be solved phase-change material to exist
The leakage that occurs in phase transition process, the problems such as burn into is compatible.The lapping of currently used microcapsules often selects melamine
The problems such as formaldehyde resin, Lauxite, these package wall materials are insufficient, easy to crack there are toughness；Also have in a small amount of research with third
Olefin(e) acid ester improves material property, although wall material performance gets a promotion, wall material is low to core material encapsulation ratio, itself heat conductivility
Difference causes production cost height, practicability to reduce, these disadvantages have seriously affected the popularization and application of phase-change material.Graphene conduct
The hot spot of material science research at present now gradually becomes the important research topic in phase-change material field.
At present both at home and abroad in phase-change material technology, achieved in terms of especially building relevant energy-saving and temperature-regulating material certain
Effect.A kind of outdoor fabric of temperature control heat insulation and heat control intelligence based on microcapsules and aeroge has been invented in wherein Wang Wen celebratings（Middle promulgated by the State Council
Bright number of patent application 201610838643.2）, including base fabric and coating, base fabric be made of improved polyurethane fiber, modified poly- ammonia
Ester fiber is made of the microcapsules of polyurethane, nano-attapulgite, the material containing phase transition temperature, coating include polyimide layer or
Polypyrrole layer macromolecule conductive film, solar power generation film, nano-porous fiber element aeroge and polyurethane or polyethylene are viscous
Tie protective film, coating is contained at least one surface of base fabric, and the structure of coating can be to bond protective film, macromolecule conductive film, too
Sun can generate electricity film, macromolecule conductive film, bond protective film and aeroge, or bond protective film, aeroge, bond protection
Film, macromolecule conductive film, solar power generation film, macromolecule conductive film and bonding protective film.In addition, Yan Bowen et al. is invented
A kind of preparation method of microencapsulation sizing phase-change material（Chinese invention patent application number 201611259842.4）, first with
Soap stock is raw material, and aliphatic acid is obtained after saponification, acidolysis, and phase-change material is then mixed to get with paraffin, and aliphatic acid can reduce stone
The fusing point of wax, then vinyl monomer is inserted into graphite flake layer, it is aggregated that graphite flake layer is made to detach, in graphite dopping to polymer,
Increase the thermal conductivity of polymer, then reacted through lotion, so that polymer is embedded phase-change material, then using ethyl orthosilicate as raw material, warp
Alkali effect makes silica be deposited on polymer surfaces formation coating, the microencapsulation most prepared afterwards through drying, the invention
Sizing phase-change material heat conductivility is superior, and enthalpy of phase change reaches 130.14 ~ 135.25kJ/kg, and phase transition temperature is 20 ~ 40 DEG C；With build
The compatibility for building material is good, does not interfere with the related mechanical property of construction material, is with a wide range of applications.
As it can be seen that the problems such as phase-changing energy storage material presence in the prior art leaks, burn into is compatible, heat-storage thermoregulation poor performance,
It is of high cost, bad practicality, and the research for being applied to phase-change material as the graphene of prominent heat conductivility is extremely lacked.
Invention content
For such case, it is proposed that the building decoration composite plastic film and preparation method of a kind of temperature controllable, not only
With good temperature adjusting performance, and it is at low cost, it is highly practical.
To achieve the above object, specific technical solution of the present invention is as follows：
A kind of preparation method of the building decoration composite plastic film of temperature controllable, first prepares using melamine resin as capsule material, with the positive last of the ten Heavenly stems
Acid, the graphene that butyl stearate is core material are modified phase-change microcapsule, are then added in polyimides spinning solution, through spinning and water
Non-woven fabrics is made in thorn, then by roller coating binder and compoiste adhering decoration coating, and the building decoration plastics that temperature controllable is made are compound
Film, preparation are as follows：
（1）Graphene, n-capric acid, butyl stearate, dispersion emulsifier are added to the water, ultrasonic disperse, dispersion liquid are made, then
Melamine-formaldehyde performed polymer is added, heating generates melamine resin by in-situ polymerization, and spray drying is made with melamine resin
For capsule material, using n-capric acid, butyl stearate phase-change microcapsule is modified as the graphene of core material；
（2）By step（1）Graphene obtained is modified phase-change microcapsule and is added in polyimides spinning solution, and ultrasonic disperse is uniform,
The polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；
（3）By step（2）Polyimide nonwoven fabric is made by spun lacing method in polyimide fiber obtained；That is the building of temperature controllable
Decorate composite plastic film.
Preferably, step（1）The parts by weight of each raw material are, 3 ~ 5 parts by weight of graphene, n-capric acid 5-10 parts by weight,
20 ~ 25 parts by weight of butyl stearate, 1 ~ 2 parts by weight of dispersion emulsifier, 55 ~ 66 parts by weight of water, melamine-formaldehyde performed polymer 10
~ 13 parts by weight.
Preferably, step（1）The dispersion emulsifier is polyethylene glycol, dodecyl sodium sulfate, aliphatic acid polyethenoxy
At least one of ether.
Preferably, step（1）The frequency of the ultrasonic disperse is 30 ~ 50kHz, and the time is 15 ~ 30min.
Preferably, step（1）The polymerization temperature is 70 ~ 80 DEG C, and polymerization time is 50 ~ 70min.
Preferably, step（2）The parts by weight of each raw material are that graphene is modified 10 ~ 20 parts by weight of phase-change microcapsule, gathers
80 ~ 90 parts by weight of acid imide spinning solution.The mass concentration of polyimides spinning solution is 30%.
Preferably, step（3）The nozzle diameter of the spun lacing is 100 ~ 200mm, and hydraulic pressure is 30 ~ 50MPa, and effluxvelocity is
50~150m/s。
N-capric acid, butyl stearate are combined as being suitable for the phase-change material of room temperature control, have higher latent heat of phase change, relatively close
The phase-change material of phase transition temperature is fitted, n-capric acid, butyl stearate are added in plastics plastic film of the invention, it is excellent using its
Latent heat of phase change characteristic realizes heat-storage thermoregulation.In addition, graphene has the good characteristics of graphite and carbon nanotube concurrently, have outstanding
Heat conduction, electric conductivity, mechanical strength etc. are the composite materials to form high heat conduction, high intensity and high tenacity, in the present invention with it
Heat-conducting effect outstanding forms excellent temperature adjusting performance.
The present invention also provides a kind of building decoration composite plastic films for the temperature controllable that above-mentioned preparation method is prepared.
This method first prepares using melamine resin as capsule material, is modified phase as the graphene of core material using n-capric acid, butyl stearate
Become microcapsules, be then added in polyimides spinning solution, non-woven fabrics is made through spinning and spun lacing, the building decoration of temperature controllable is made
Composite plastic film.Compared with conventional method, graphene is modified by the building decoration composite plastic film of preparation of the invention
N-capric acid, the phase-change microcapsule that butyl stearate is core material mix the polyimide fiber that high heat conduction is made again with spinning solution, show
Writing improves the mechanical property and heat conductivility of laminated film, and has good heat-storage thermoregulation performance, can be to composite wood
The heating of material and temperature-fall period play certain cushioning effect, effectively reduce temperature fluctuation.
The present invention provides the building decoration composite plastic films and preparation method of a kind of temperature controllable, with prior art phase
Than the feature and excellent effect protruded is：
1. building decoration composite plastic film prepared by the present invention, can be effectively used for the heat-storage thermoregulation of interior decoration composite material,
Application prospect is good.
2. the preparation method of the present invention has excellent using n-capric acid, the phase-change microcapsule that butyl stearate is core material
Latent heat of phase change performance.
3. the preparation method of the present invention, is mixed with spinning solution by the phase-change microcapsule that is modified graphene and height is made again leads
The polyimide fiber of heat, and non-woven fabrics is made, the mechanical property and heat conductivility of laminated film are can obviously improve, thus have
Good temperature adjusting performance can play the heating of composite material and temperature-fall period certain cushioning effect, effectively reduce temperature
Fluctuation.
Specific implementation mode
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 example below.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
4kg graphenes, 5kg n-capric acids, 23kg butyl stearates, 1kg polyethylene glycol are added in 61kg water, are in supersonic frequency
Disperse 23min under 42kHz, dispersion liquid is made, then melamine-formaldehyde performed polymer, the in-situ polymerization at 76 DEG C is added in 11kg
61min is reacted, melamine resin is generated, spray drying is made using melamine resin as capsule material, using n-capric acid, butyl stearate as core
The graphene of material is modified phase-change microcapsule；Then 16kg graphenes are modified phase-change microcapsule and 84kg polyimides spinning solutions is added
In, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；By polyimides fibre
Polyimide nonwoven fabric is made by spun lacing method in dimension, and the nozzle diameter of spun lacing is 160mm, hydraulic pressure 42MPa, and effluxvelocity is
110m/s；The building decoration composite plastic film of temperature controllable is made.
Test method：
Composite plastic film produced by the present invention is made to the sample of 100mm × 100mm；
Thermal change of the film in temperature-rise period is measured using EXSTAR thermal analyzers, heating rate is 5 DEG C/min, is measured thin
The endothermic peak of film, as phase transition temperature；
45 DEG C are heated the sample to, 100mm × 100mm × 100mm is put into, the confined space that temperature is 10 DEG C, measures respectively empty
Between 15min, 30min, 60min temperature.
The data obtained is as shown in table 1.
Embodiment 2
3kg graphenes, 6kg n-capric acids, 20kg butyl stearates, 1kg dodecyl sodium sulfates are added in 66kg water, in ultrasound
Frequency is to disperse 30min under 30kHz, and dispersion liquid is made, and then melamine-formaldehyde performed polymer is added in 10kg, former at 70 DEG C
Position polymerisation 70min, generates melamine resin, and spray drying is made using melamine resin as capsule material, with n-capric acid, stearic acid fourth
Ester is that the graphene of core material is modified phase-change microcapsule；Then 10kg graphenes are modified phase-change microcapsule and 90kg polyimides is added
In spinning solution, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；By polyamides
Polyimide nonwoven fabric is made by spun lacing method in imine fiber, and the nozzle diameter of spun lacing is 100mm, hydraulic pressure 30MPa, jet velocity
Degree is 150m/s；The building decoration composite plastic film of temperature controllable is made.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Embodiment 3
4kg graphenes, 8kg n-capric acids, 21kg butyl stearates, 1kg aliphatic acid polyethenoxy ethers are added in 63kg water, super
Acoustic frequency is to disperse 25min under 35kHz, dispersion liquid is made, then melamine-formaldehyde performed polymer is added in 11kg, at 72 DEG C
Home position polymerization reaction 65min, generates melamine resin, and spray drying is made using melamine resin as capsule material, with n-capric acid, stearic acid
Butyl ester is that the graphene of core material is modified phase-change microcapsule；Then 12kg graphenes are modified phase-change microcapsule and 88kg polyamides Asia is added
In amine spinning solution, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；It will gather
Polyimide nonwoven fabric is made by spun lacing method in imide fiber, and the nozzle diameter of spun lacing is 120mm, hydraulic pressure 35MPa, jet stream
Speed is 120m/s；The building decoration composite plastic film of temperature controllable is made.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Embodiment 4
5kg graphenes, 10kg n-capric acids, 25kg butyl stearates, 2kg aliphatic acid polyethenoxy ethers are added in 55kg water,
Supersonic frequency is to disperse 15min under 50kHz, dispersion liquid is made, then melamine-formaldehyde performed polymer is added in 13kg, at 80 DEG C
Lower home position polymerization reaction 50min, generates melamine resin, and spray drying is made using melamine resin as capsule material, with n-capric acid, tristearin
Acid butyl ester is that the graphene of core material is modified phase-change microcapsule；Then 20kg graphenes are modified phase-change microcapsule and 80kg polyamides is added
In imines spinning solution, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；It will
Polyimide nonwoven fabric is made by spun lacing method in polyimide fiber, and the nozzle diameter of spun lacing is 200mm, and hydraulic pressure 50MPa is penetrated
Flow velocity degree is 50m/s；The building decoration composite plastic film of temperature controllable is made.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Embodiment 5
4kg graphenes, 5kg n-capric acids, 23kg butyl stearates, 2kg dodecyl sodium sulfates are added in 59kg water, in ultrasound
Frequency is to disperse 18min under 45kHz, and dispersion liquid is made, and then melamine-formaldehyde performed polymer is added in 12kg, former at 78 DEG C
Position polymerisation 55min, generates melamine resin, and spray drying is made using melamine resin as capsule material, with n-capric acid, stearic acid fourth
Ester is that the graphene of core material is modified phase-change microcapsule；Then 17kg graphenes are modified phase-change microcapsule and 83kg polyimides is added
In spinning solution, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；By polyamides
Polyimide nonwoven fabric is made by spun lacing method in imine fiber, and the nozzle diameter of spun lacing is 190mm, hydraulic pressure 45MPa, jet velocity
Degree is 70m/s；The building decoration composite plastic film of temperature controllable is made.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Embodiment 6
4kg graphenes, 8kg n-capric acids, 22kg butyl stearates, 2kg aliphatic acid polyethenoxy ethers are added in 60kg water, super
Acoustic frequency is to disperse 22min under 40kHz, dispersion liquid is made, then melamine-formaldehyde performed polymer is added in 12kg, at 75 DEG C
Home position polymerization reaction 60min, generates melamine resin, and spray drying is made using melamine resin as capsule material, with n-capric acid, stearic acid
Butyl ester is that the graphene of core material is modified phase-change microcapsule；Then 15kg graphenes are modified phase-change microcapsule and 85kg polyamides Asia is added
In amine spinning solution, ultrasonic disperse is uniform, and the polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；It will gather
Polyimide nonwoven fabric is made by spun lacing method in imide fiber, and the nozzle diameter of spun lacing is 150mm, hydraulic pressure 40MPa, jet stream
Speed is 100m/s；The building decoration composite plastic film of temperature controllable is made.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Comparative example 1
In laminated film preparation process, it is not added with graphene, other preparation conditions are consistent with embodiment 6.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Comparative example 2
In laminated film preparation process, it is not added with n-capric acid, butyl stearate, other preparation conditions are consistent with embodiment 6.
Test method is consistent with embodiment 1, and the data obtained is as shown in table 1.
Table 1：
Claims (8)
1. a kind of preparation method of the building decoration composite plastic film of temperature controllable, which is characterized in that first prepare with melamine resin
It is modified phase-change microcapsule as the graphene of core material for capsule material, using n-capric acid, butyl stearate, polyimides spinning solution is then added
In, non-woven fabrics is made through spinning and spun lacing, then by roller coating binder and compoiste adhering decoration coating, the building of temperature controllable is made
Composite plastic film is decorated, preparation is as follows：
（1）Graphene, n-capric acid, butyl stearate, dispersion emulsifier are added to the water, ultrasonic disperse, dispersion liquid are made, then
Melamine-formaldehyde performed polymer is added, heating generates melamine resin by in-situ polymerization, and spray drying is made with melamine resin
For capsule material, using n-capric acid, butyl stearate phase-change microcapsule is modified as the graphene of core material；
（2）By step（1）Graphene obtained is modified phase-change microcapsule and is added in polyimides spinning solution, and ultrasonic disperse is uniform,
The polyimide fiber that graphene-containing is modified phase-change microcapsule is made by spinning；
（3）By step（2）Polyimide nonwoven fabric is made by spun lacing method in polyimide fiber obtained, you can the building of temperature adjustment
Decorate composite plastic film.
2. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（1）The parts by weight of each raw material are 3 ~ 5 parts by weight of graphene, n-capric acid 5-10 parts by weight, butyl stearate 20 ~ 25
Parts by weight, 1 ~ 2 parts by weight of dispersion emulsifier, 55 ~ 66 parts by weight of water, 10 ~ 13 parts by weight of melamine-formaldehyde performed polymer.
3. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（1）The dispersion emulsifier is at least one of polyethylene glycol, dodecyl sodium sulfate, aliphatic acid polyethenoxy ether.
4. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（1）The frequency of the ultrasonic disperse is 30 ~ 50kHz, and the time is 15 ~ 30min.
5. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（1）The polymerization temperature is 70 ~ 80 DEG C, and polymerization time is 50 ~ 70min.
6. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（2）The parts by weight of each raw material are, graphene be modified 10 ~ 20 parts by weight of phase-change microcapsule, polyimides spinning solution 80 ~
90 parts by weight；The mass concentration of polyimides spinning solution is 30%.
7. the preparation method of the building decoration composite plastic film of a kind of temperature controllable according to claim 1, it is characterised in that：
Step（3）The nozzle diameter of the spun lacing is 100 ~ 200mm, and hydraulic pressure is 30 ~ 50MPa, and effluxvelocity is 50 ~ 150m/s.
8. the building decoration composite plastic film for the temperature controllable that any one of claim 1 ~ 7 preparation method is prepared.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552881A (en) * | 2020-12-28 | 2021-03-26 | 碳元科技股份有限公司 | High-thermal-conductivity phase-change film and preparation method thereof |
| WO2021097663A1 (en) * | 2019-11-19 | 2021-05-27 | 南京先进生物材料与过程装备研究院有限公司 | Nano-encapsulated binary composite phase change material |
| CN109505027B (en) * | 2018-11-29 | 2021-11-30 | 上海绿薇生物科技有限公司 | High-sensitivity heat-conducting air conditioner fiber and preparation method thereof |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505027B (en) * | 2018-11-29 | 2021-11-30 | 上海绿薇生物科技有限公司 | High-sensitivity heat-conducting air conditioner fiber and preparation method thereof |
| WO2021097663A1 (en) * | 2019-11-19 | 2021-05-27 | 南京先进生物材料与过程装备研究院有限公司 | Nano-encapsulated binary composite phase change material |
| CN112552881A (en) * | 2020-12-28 | 2021-03-26 | 碳元科技股份有限公司 | High-thermal-conductivity phase-change film and preparation method thereof |
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