CN110408143A - A kind of foaming figuration composite phase-changing material and preparation method thereof - Google Patents
A kind of foaming figuration composite phase-changing material and preparation method thereof Download PDFInfo
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- CN110408143A CN110408143A CN201910566031.6A CN201910566031A CN110408143A CN 110408143 A CN110408143 A CN 110408143A CN 201910566031 A CN201910566031 A CN 201910566031A CN 110408143 A CN110408143 A CN 110408143A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
Abstract
The present invention relates to a kind of foaming figuration composite phase-changing materials and preparation method thereof, above-mentioned preparation method includes: to melt the first solid fatty acids and the second solid fatty acids after mixing to form molten liquid, molten liquid is taken out again and ultrasonic vibration mixes molten liquid further sufficiently in water-bath, it takes out and allows to cool to after room temperature to mill to be formed powdered, obtain eutectic mixture；Polyvinyl chloride resin, plasticizer are subjected to preplasticizing after mixing, obtain preplasticizing mixture, then preplasticizing mixture and foaming agent, coupling agent are successively plasticated after mixing, is broken to get foaming PVC particle；Eutectic mixture, heat filling, fire retardant and foaming PVC particle are molded after mixing and form a kind of foaming figuration composite phase-changing material.Foaming figuration composite phase-changing material provided by the invention possesses more excellent mechanical property and machining property, and hot property is stablized.
Description
Technical field
The present invention relates to a kind of phase-change materials more particularly to a kind of foaming figuration composite phase-changing material and preparation method thereof.
Background technique
Increasingly serious with energy problem, the use of phase-change material is increasingly valued by people.Wherein solid liquid phase
Become material in phase transition process by the transformation of solid phase to liquid phase, the phase-change material of liquid will appear leakage, stream in this process
The problems such as dynamic, this severely limits the applications of phase-change material, therefore the leakage problem for solving phase-change material is that one, the field is non-
Often important research direction.
Summary of the invention
In view of the above-mentioned problems, now providing a kind of preparation method of figuration composite phase-changing material that foams.
Specific technical solution is as follows:
A kind of preparation method for the figuration composite phase-changing material that foams, has the feature that, includes the following steps:
Step 1: preparing eutectic mixture: the first solid fatty acids and the second solid fatty acids are melted after mixing
Melt to form molten liquid, then by molten liquid take out and in water-bath ultrasonic vibration mix molten liquid further sufficiently, take out and make
It mills after being cooled to room temperature to form powdered, obtains eutectic mixture；
Step 2: preparing foaming PVC particle: polyvinyl chloride resin, plasticizer being carried out preplasticizing after mixing, obtain preplasticizing
Mixture, then preplasticizing mixture and foaming agent, coupling agent successively plasticated after mixing, is broken to get foaming PVC
Grain；
Step 3: preparation foaming shaping phase-change material: by eutectic mixture, heat filling, fire retardant and foaming PVC
Injection molding forms a kind of foaming figuration composite phase-changing material to grain after mixing.
Above-mentioned preparation method, also has the feature that, the first solid fatty acids, the second solid fatty acids in step 1
One of difference, and be respectively selected from stearic acid (SA), myristic acid (MA), palmitinic acid (PA) or lauric acid (LA).
The mass ratio of solid fatty acids is obtained in the present invention with binary of fatty acids lowest total of the melting point theoretical calculation, thus this Shen
Please in no longer this is repeated.
Above-mentioned preparation method, also has the feature that, in step 2 in terms of polyvinyl chloride resin quality plasticizer, foaming agent
And the additional amount of coupling agent is (1-25wt%): (1-5wt%): (1-3.75wt%).
Above-mentioned preparation method, also has the feature that, preplasticizing temperature is 90-110 DEG C, when preplasticizing in step 2
Between be 10-15min.
Above-mentioned preparation method, also has the feature that, plasticating temperature is 160-170 DEG C, plasticates the time in step 2
For 5-10min.
Above-mentioned preparation method, also has the feature that, in step 3 in terms of polyvinyl chloride resin quality heat filling and fire-retardant
The additional amount of agent is (1-7.5wt%): (1-3.75wt%), and low in terms of the figuration composite phase-changing material quality that foams in step 3
The addition of eutectic mixture, foaming PVC particle (containing polyvinyl chloride resin, plasticizer, foaming agent, coupling agent, heat filling and fire retardant)
Amount is (50-52wt%): (50-48wt%).
Eutectic mixture in the present invention, foaming PVC particle additional amount obtained using orthogonal experiment, under above-mentioned additional amount
The comprehensive performances such as the high temperature deformation rate of material, slip are preferable.
Above-mentioned preparation method, also has the feature that, heat filling is copper powder in step 3.
Above-mentioned preparation method, also has the feature that, it is 160-190 DEG C that barrel temperature is molded in step 3, injection molding
Pressure is 80-130MPa, and injection screw revolving speed is 28r/min, and mold temperature is 30-60 DEG C.
The second aspect of the invention is to provide a kind of foaming setting compound phase prepared according to above-mentioned preparation method
Become material.
The beneficial effect of above scheme is:
1), the present invention in as body of phase change material Fatty Acid Binary eutectic phase transition temperature 30 DEG C-
Between 55 DEG C, and its enthalpy of phase change numerical value is higher, and suitable for the requirement of room temperature heat reservoir, the heat that can be used to increase building is lazy
Property, reduce house temperature fluctuation achieve the purpose that building energy conservation to reduce the air conditioner load of building；
2), the backing material foaming PVC that the present invention selects is that one kind has excellent performance reliable material, with other polymers phase
Than foaming PVC intensity with higher and preferable tensile property, so that foaming figuration composite phase-changing material provided by the invention
Possess more excellent mechanical property and machining property, and hot property is stablized；Meanwhile it is abundant porous inside foaming PVC
Phase-change material can be firmly fixed in foam structure by shape structure, greatly reduced leakage, made it when in use can be straight
It connects and uses into the water, do not need to encapsulate compared to traditional plastic material HDPE, it is possible to reduce 20-30% using storage container
Weight, greatly reduce use cost.
3), in the present invention using injection molding method preparation foaming figuration composite phase-changing material, reaction condition is mild, processing
Simple process, period are short, are suitble to industrialized production.
Detailed description of the invention
Fig. 1 is the scanning electron microscope of the foaming figuration composite phase-changing material section prepared in the embodiment of the present invention 1
Test chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Embodiment 1
A kind of foaming figuration composite phase-changing material, preparation include the following steps:
Step 1: preparing eutectic mixture: 36.6gSA and 23.4gPA are kept the temperature in 90 DEG C of baking ovens after mixing
2h makes SA, PA melt to form molten liquid, then by molten liquid take out and ultrasonic vibration 3min makes molten liquid into one in 70 DEG C of water-baths
Step mixing sufficiently, takes out and allows to cool to after room temperature to mill to be formed powdered, obtain eutectic mixture；
Step 2: preparing foaming PVC particle: after mixing by 40gPVC resin (SG-8), 10g plasticizer (HM-018)
The 10-15min in 100 DEG C of baking ovens, obtains preplasticizing mixture, then by preplasticizing mixture and 2g foaming agent (two formyl of azo
Amine), plasticate in 160-170 DEG C 1.5g coupling agent (metatitanic acid ester type coupling agent) 5-10min on a mill after mixing, plasticate
3mm slabs is formed, is crushed to get foaming PVC particle；
Step 3: preparation foaming shaping phase-change material: by eutectic mixture (being made in step 1), 3g heat filling
Injection molding forms one after mixing for (copper powder), 1.5g fire retardant (antimony oxide) and foaming PVC particle (being made in step 2)
Kind foaming figuration composite phase-changing material.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 51.5 DEG C, and enthalpy of phase change is
187.5kg/kJ。
Above-mentioned foaming figuration composite phase-changing material is made standard batten (80*10*4mm) in the present invention, and by the batten
It is placed on filter paper and is placed in blast drier, air dry oven is warming up to fixed temperature and is cooled to room after constant temperature 1 hour
The loss late of phase-change material is weighed and calculated to temperature.
The loss late of the foaming figuration composite phase-changing material provided in the present embodiment tests (m as shown in the table1: before heating
The quality of standard batten；m2: it is cooled to room temperature the quality of rear standard batten；△ m: heat up the of poor quality of forward and backward standard batten；η:
The loss late of phase-change material, η=△ m/m1):
As shown in Figure 1, fatty acid particle is evenly distributed in PVC abscess.
Embodiment 2
The preparation method of the foaming figuration composite phase-changing material provided in the present embodiment is in the same manner as in Example 1, and difference exists
Eutectic mixture is made of 37.8gLA, 22.2gMA in this present embodiment.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 32.5 DEG C, and enthalpy of phase change is
177.2kg/kJ。
The loss late test of the foaming figuration composite phase-changing material provided in the present embodiment is as shown in the table:
Embodiment 3
The preparation method of the foaming figuration composite phase-changing material provided in the present embodiment is in the same manner as in Example 1, and difference exists
Eutectic mixture is made of 36.6gMA, 23.4gPA in this present embodiment.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 42.1 DEG C, and enthalpy of phase change is
178.2kg/kJ。
The loss late test of the foaming figuration composite phase-changing material provided in the present embodiment is as shown in the table:
Embodiment 4
The preparation method of the foaming figuration composite phase-changing material provided in the present embodiment is in the same manner as in Example 1, and difference exists
Eutectic mixture is made of 14.34gSA, 45.66gMA in this present embodiment.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 46.5 DEG C, enthalpy of phase change 182kg/
kJ。
The loss late test of the foaming figuration composite phase-changing material provided in the present embodiment is as shown in the table:
Embodiment 5
The preparation method of the foaming figuration composite phase-changing material provided in the present embodiment is in the same manner as in Example 1, and difference exists
Eutectic mixture is made of 44.04gLA, 15.96gPA in this present embodiment.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 35.7 DEG C, and enthalpy of phase change is
180.8kg/kJ。
The loss late test of the foaming figuration composite phase-changing material provided in the present embodiment is as shown in the table:
Embodiment 6
The preparation method of the foaming figuration composite phase-changing material provided in the present embodiment is in the same manner as in Example 1, and difference exists
Eutectic mixture is made of 51.42gLA, 8.58gSA in this present embodiment.
The phase transition temperature of the foaming figuration composite phase-changing material provided in the present embodiment is 39 DEG C, enthalpy of phase change 184.4kg/
kJ。
The loss late test of the foaming figuration composite phase-changing material provided in the present embodiment is as shown in the table:
As seen from the above embodiment, foaming figuration composite phase-changing material provided in the present invention 70 DEG C it is below use ring
There is no leakage situations in border, and leakage loss rate is also no more than 1% in 70 DEG C to 100 DEG C of environment, illustrate that the present invention mentions
The foaming figuration composite phase-changing material of confession has good shaping effect.
The mechanical performance of the standard batten of above-described embodiment 1-6 preparation is as shown in the table:
As can be seen from the above table embodiment 1-6 preparation foaming figuration composite phase-changing material have good impact strength and
Tensile strength illustrates foaming figuration composite phase-changing material intensity with higher, the rigidity and good tough of embodiment 1-6 preparation
Property, this greatly extends the application field of phase-change material, can be applied not only to heat-storage heat-preserving field, can also be applied to it
The product scope of his high intensity, has very important significance.
Foaming figuration composite phase-changing material provided by the invention is solid-solid type phase-changing energy storage material, can be according to using
Environment needs to carry out various sizes of sample preparation, such as flaky material can be made as heat-preserving wall, and bulk can also be made
Filling energy storage pond, can also be made powdery and be poured after mixing with concrete mortar, good with concrete compatibility, not shadow
Ring its mechanical property.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (9)
1. a kind of preparation method for the figuration composite phase-changing material that foams, which comprises the steps of:
Step 1: preparing eutectic mixture: the first solid fatty acids and the second solid fatty acids are melted shape after mixing
At molten liquid, then by molten liquid take out and in water-bath ultrasonic vibration mix molten liquid further sufficiently, take out and keep its cold
But it to be formed powdered to milling after room temperature, obtain eutectic mixture；
Step 2: preparing foaming PVC particle: polyvinyl chloride resin, plasticizer being carried out preplasticizing after mixing, obtain preplasticizing mixing
Object, then preplasticizing mixture and foaming agent, coupling agent successively plasticated after mixing, is broken to get foaming PVC particle；
Step 3: preparation foaming shaping phase-change material: eutectic mixture, heat filling, fire retardant and foaming PVC particle are mixed
Injection molding forms a kind of foaming figuration composite phase-changing material after closing uniformly.
2. preparation method according to claim 1, which is characterized in that the first solid fatty acids, the second solid-state in step 1
One of fatty acid is different, and be respectively selected from stearic acid, myristic acid, palmitinic acid or lauric acid.
3. preparation method according to claim 1, which is characterized in that in step 2 in terms of polyvinyl chloride resin quality plasticizer, hair
The additional amount of infusion and coupling agent is (1-25wt%): (1-5wt%): (1-3.75wt%).
4. preparation method according to claim 3, which is characterized in that preplasticizing temperature is 90-110 DEG C in step 2, in advance
Fusion time is 10-15min.
5. the preparation method according to claim 4, which is characterized in that plasticating temperature is 160-170 DEG C, plasticates in step 2
Time is 5-10min.
6. preparation method according to claim 3, which is characterized in that in step 3 in terms of polyvinyl chloride resin quality heat filling
And the additional amount of fire retardant is (1-7.5wt%): (1-3.75wt%), and with the figuration composite phase-changing material matter that foams in step 3
Meter eutectic mixture, foaming PVC particle additional amount be (50-52wt%): (50-48wt%).
7. preparation method according to claim 3, which is characterized in that heat filling is copper powder in step 3.
8. preparation method according to claim 6, which is characterized in that it is 160-190 DEG C that barrel temperature is molded in step 3,
Injection pressure is 80-130MPa, and injection screw revolving speed is 28r/min, and mold temperature is 30-60 DEG C.
9. a kind of foaming figuration composite phase-changing material, which is characterized in that any one of -8 preparation method system according to claim 1
It is standby to obtain.
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| CN1296033A (en) * | 1999-11-12 | 2001-05-23 | 中国石油化工集团公司北京化工研究院 | Process for preparation of polyvinyl-chloride foaming material |
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| CN106590543A (en) * | 2016-12-09 | 2017-04-26 | 华南农业大学 | Shaped composite phase change energy storage material and preparing method thereof |
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| CN109847663A (en) * | 2019-04-04 | 2019-06-07 | 北京林业大学 | It is a kind of using polyvinyl chloride as the preparation method of the low-temperature phase-change micro-capsule of wall material |
-
2019
- 2019-06-27 CN CN201910566031.6A patent/CN110408143A/en active Pending
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| CN1296033A (en) * | 1999-11-12 | 2001-05-23 | 中国石油化工集团公司北京化工研究院 | Process for preparation of polyvinyl-chloride foaming material |
| CN101838521A (en) * | 2010-05-07 | 2010-09-22 | 上海大学 | Preparation method of aliphatic dibasic acid/bentonite composite phase change energy storage material |
| CN106590543A (en) * | 2016-12-09 | 2017-04-26 | 华南农业大学 | Shaped composite phase change energy storage material and preparing method thereof |
| CN107216858A (en) * | 2017-05-18 | 2017-09-29 | 平湖阿莱德实业有限公司 | A kind of heat conduction phase-change accumulation energy interface composition preparation method |
| CN108892892A (en) * | 2018-06-28 | 2018-11-27 | 郭开全 | A kind of phase transformation bamboo and woods fiber plate and its preparation process and application |
| CN109847663A (en) * | 2019-04-04 | 2019-06-07 | 北京林业大学 | It is a kind of using polyvinyl chloride as the preparation method of the low-temperature phase-change micro-capsule of wall material |
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| LEI CAO ET AL.: ""Preparation and properties of shape-stabilized phase change materials based on fatty acid eutectics and cellulose composites for thermal energy storage"", 《ENERGY》 * |
| 汪意等: ""定形相变材料的研究进展"", 《储能科学与技术》 * |
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