WO2021098309A1 - 一种具有交联网络结构的柔性多级相变材料及其制备方法 - Google Patents
一种具有交联网络结构的柔性多级相变材料及其制备方法 Download PDFInfo
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- 230000008859 change Effects 0.000 claims abstract description 51
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- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 25
- 229920000642 polymer Polymers 0.000 claims abstract description 18
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- 229920001155 polypropylene Polymers 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
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- 239000002033 PVDF binder Substances 0.000 claims description 3
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- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
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- 238000012545 processing Methods 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical class C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- 229940057995 liquid paraffin Drugs 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002074 melt spinning Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
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- 229920001577 copolymer Polymers 0.000 claims 1
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- 229920003225 polyurethane elastomer Polymers 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 13
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 206010042674 Swelling Diseases 0.000 description 5
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Definitions
- the compatibilizer includes one of a maleic anhydride compatibilizer or an acrylic compatibilizer.
- the processing and molding adopts injection molding, casting, or melt spinning.
- the first technical problem to be solved by the present invention is to provide a flexible phase change material, which is composed of the following components:
- a flexible phase change material is prepared by using the mechanism of "swelling" the crosslinked thermoplastic elastomer by the molten phase change functional material.
- the dissolution process of the polymer has to go through two stages. First, the solvent molecules penetrate into the polymer to "swell” the polymer, and then the polymer molecular chains are uniformly dispersed in the solvent; the cross-linked thermoplastic elastomer is in the molten phase.
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- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Claims (18)
- 柔性相变材料,其特征在于,所述相变材料由以下成分组成:相变功能材料20~90重量份,交联的热塑性弹性体5~75重量份,热塑性树脂5~75重量份,增容剂0~5重量份。
- 根据权利要求1所述的柔性相变材料,其特征在于,所述柔性相变材料具有交联网络结构。
- 根据权利要求1或2所述的柔性相变材料,其特征在于,所述柔性相变材料的相转变温度具有多级性,所述柔性相变材料在10℃~200℃范围内具有至少2个相转变温度。
- 根据权利要求1~3任意一项所述的柔性相变材料,其特征在于,所述柔性相变材料采用下述方法制成:以相变功能材料、交联的热塑性弹性体、热塑性树脂和增容剂为原料,各原料通过熔融共混的方法,使熔融的相变功能材料进入到交联的热塑性弹性体内将其溶胀,而交联的热塑性弹性体由于具有聚合物网络能够防止相变功能材料的泄露,制得了所述柔性相变材料。
- 根据权利要求1~4任意一项所述的柔性相变材料,其特征在于,所述相变功能材料为有机相变材料或无机相变材料。
- 根据权利要求5所述的柔性相变材料,其特征在于,所述有机相变材料为石蜡、多元醇、醇类聚合物或羧酸类物质中的至少一种。
- 根据权利要求6所述的柔性相变材料,其特征在于,所述醇类聚合物为聚乙二醇,羧酸类物质为硬脂酸,石蜡为液体石蜡或固体石蜡。
- 根据权利要求1~4任意一项所述的柔性相变材料,其特征在于,所述交联的热塑性弹性体中的热塑性弹性体包括:乙烯-辛烯嵌段共聚物,乙烯-辛烯无规共聚物,乙丙橡胶,聚氨酯弹性体,苯乙烯-丁二烯-苯乙烯嵌段共聚物,氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物中的一种或多种。
- 根据权利要求1~4任意一项所述的柔性相变材料,其特征在于,所述热塑性树脂包括:低密度聚乙烯,高密度聚乙烯,聚丙烯,聚丁烯,聚醋酸乙烯酯,聚苯乙烯,聚碳酸酯,聚酰胺,聚氨酯或聚偏氟乙烯中的至少一种。
- 根据权利要求1~4任意一项所述的柔性相变材料,其特征在于,所述增容剂包括:马来酸酐类增容剂或丙烯酸类增容剂中的一种。
- 权利要求1~10任意一项所述的柔性相变材料的制备方法,其特征在于,所述制备方法为:以相变功能材料、交联的热塑性弹性体、热塑性树脂和增容剂为原料,各原料通过熔融共混的方法,使得熔融的相变功能材料进入到交联的热塑性弹性体内将其溶胀,而交联的热塑性弹性体由于具有聚合物网络能够防止相变功能材料的泄露,制得了所述柔性相变材料;其中,各原料的重量比为:相变功能材料20~90重量份,交联的热塑性弹性体5~75重量份,热塑性树脂5~75重量份,增容剂0~5重量份。
- 根据权利要求11所述的柔性相变材料的制备方法,其特征在于,所述制备方法中,熔融共混的温度在热塑性树脂的熔点之上热分解温度以下。
- 根据权利要求12所述的柔性相变材料的制备方法,其特征在于,所述制备方法为:将相变功能材料、交联的热塑性弹性体,热塑性树脂和增容剂于80℃~250℃熔融共混,然后挤出造粒得柔性相变粒料;再加工成型得柔性相变材料。
- 根据权利要求13所述的柔性相变材料的制备方法,其特征在于,所述加工成型采用注塑、流延或熔融纺丝的方式。
- 根据权利要求11~14任意一项所述的柔性相变材料的制备方法,其特征在于,所述交联的热塑性弹性体采用辐照交联或添加交联剂交联的方式制备。
- 根据权利要求15所述的柔性相变材料的制备方法,其特征在于,所述交联的热塑性弹性体采用添加交联剂交联的方法,所述交联剂采为过氧化二异丙苯,二叔丁基过氧化物或叔丁基酚醛树脂,交联剂含量为0.1phr~5phr;交联温度为120℃~190℃,交联时间为0.5分钟~10分钟。
- 提高相变功能材料热稳定性的方法,其特征在于,所述方法为:在相变功能材料中引入交联的热塑性弹性和热塑性树脂,然后通过熔融共混的方法制得一种柔性相变材料;其中,各原料的重量比为:相变功能材料20~90重量份,交联的热塑性弹性体5~75重量份,热塑性树脂5~75重量份。
- 根据权利要求15所述的提高相变功能材料热稳定性的方法,其特征在于,还可以加入增容剂,其添加量为0.1~5重量份。
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IL292652A IL292652A (en) | 2019-11-21 | 2020-08-19 | A multi-phase flexible material with a cross-linked network structure with a phase change and a method of preparation thereof |
EP20891143.8A EP4063465A4 (en) | 2019-11-21 | 2020-08-19 | FLEXIBLE MULTI-LEVEL PHASE CHANGE MATERIAL HAVING CROSS-LINKED NETWORK STRUCTURE AND PREPARATION METHOD THEREFOR |
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