CN110978688B - 用于锂电池的复合包装材料 - Google Patents
用于锂电池的复合包装材料 Download PDFInfo
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- CN110978688B CN110978688B CN201911008927.9A CN201911008927A CN110978688B CN 110978688 B CN110978688 B CN 110978688B CN 201911008927 A CN201911008927 A CN 201911008927A CN 110978688 B CN110978688 B CN 110978688B
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- packaging material
- composite packaging
- layer
- lithium battery
- hindered phenol
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- 239000011091 composite packaging material Substances 0.000 title claims abstract description 65
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000010410 layer Substances 0.000 claims abstract description 55
- 239000004814 polyurethane Substances 0.000 claims abstract description 43
- 229920002635 polyurethane Polymers 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000012790 adhesive layer Substances 0.000 claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 40
- 239000011888 foil Substances 0.000 claims abstract description 37
- 238000013016 damping Methods 0.000 claims abstract description 27
- 239000011241 protective layer Substances 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims description 42
- 230000001070 adhesive effect Effects 0.000 claims description 42
- 229920005906 polyester polyol Polymers 0.000 claims description 19
- 239000005056 polyisocyanate Substances 0.000 claims description 15
- 229920001228 polyisocyanate Polymers 0.000 claims description 15
- 239000004952 Polyamide Substances 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 13
- 229920000098 polyolefin Polymers 0.000 claims description 13
- 239000012793 heat-sealing layer Substances 0.000 claims description 9
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 claims description 4
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 claims description 3
- SEVXZHBPKKQDNF-UHFFFAOYSA-N CC(C)(C)C1=CC(CC(C(OCC(COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)(COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)=O)O)=CC(C(C)(C)C)=C1 Chemical compound CC(C)(C)C1=CC(CC(C(OCC(COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)(COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)COC(C(CC2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)O)=O)=O)O)=CC(C(C)(C)C)=C1 SEVXZHBPKKQDNF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000872 buffer Substances 0.000 abstract description 6
- 239000011229 interlayer Substances 0.000 abstract description 2
- 229920005862 polyol Polymers 0.000 description 19
- 238000004080 punching Methods 0.000 description 17
- 150000003077 polyols Chemical class 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- -1 tetra (3, 5-di-tert-butyl hydroxyhydrocinnamic acid) pentaerythritol ester Chemical class 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- 239000005060 rubber Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 description 1
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- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开一种用于锂电池的复合包装材料,其中为利用含有多元酚受阻酚的聚胺甲酸酯黏着层将保护层与铝箔层黏合。该黏着层表现良好的阻尼特性,可缓冲并且耗散冲压设备对复合包装材料施加的应力,因此可提高复合包装材料的可冲压性,并且减少冲压时复合包装材料的破损。本发明的复合包装材料,可提供良好的层间黏着性以及冲压延展性,避免保护层因应力集中而发生疲劳破损,从而增加复合包装材料凹部的可冲压深度。
Description
技术领域
本发明涉及一种复合包装材料,特别是涉及一种用于锂电池的复合包装材料。
背景技术
锂二次电池正朝向高体积能量密度发展,并被广泛应用在便携式电子产品、智能型手机等领域。近年来,伴随着行动设备的小型化、轻量化,其所搭载的锂二次电池的外包装材料亦要求轻薄,并可适用于不同尺寸与厚度。因此,旧有的金属罐包装已被厚度介于10~100μm的复合包装材料所取代,生产所谓的软包锂电池,以谋求电池的轻量化。
作为锂电池的复合包装材料,一般是利用黏着剂将保护层/铝箔层/热封层贴合所得的铝塑膜。复合包装材料中的每一层分别需具有特别的物理、化学性能。其中,热封层必须有良好的热封性及耐电解液性等特性,使电池在长期的使用及贮存过程中不会发生电解液渗漏的现象,且不与电解液起化学反应。铝箔层必须具有良好的可塑性及气体障壁性等特性,以在冲压成型时提供可塑性,并且防止水气、氧气等的环境气体侵入电池内部。保护层则必须具有良好的耐穿刺性、耐磨以及抗冲击性等特性,以保护内部的膜层不受划伤破坏,并且减缓电池因摔落等所造成的冲击震荡。
在制作软包锂电池时,首先须对复合包装材料冲压而形成凹部,但保护层与铝箔层的延展性不同,延展性与抗张强度较差的保护层无法缓冲冲压设备所施加的应力,容易因材料疲劳而在保护层与铝箔层之间发生破损,于是复合包装材料凹部的可冲压深度受到限制。
为了解决此技术问题,一般是通过改变各膜层的厚度来调整机械特性,从而减少复合包装材料的应力破损,然而,每一种膜层皆有其厚度的使用限制。
发明内容
鉴于现有技术中的问题,本发明提供一种用于锂电池的复合包装材料以解决上述问题。
因此,本发明的目的在于提供一种用于锂电池的复合包装材料,其特征在于,由外层至内层依序包含:聚酰胺保护层、聚胺甲酸酯黏着层、铝箔层、聚烯烃黏着层以及聚烯烃热封层,其中,该聚胺甲酸酯黏着层的动态黏弹性阻尼系数介于0.45~0.6。
作为可选的技术方案,该聚胺甲酸酯黏着层包含聚胺甲酸酯黏着剂及多元酚受阻酚,其中于每百重量份的该聚胺甲酸酯黏着剂中使用4~10重量份的该多元酚受阻酚。
作为可选的技术方案,该多元酚受阻酚为三元酚受阻酚及四元酚受阻酚的其中至少一种。
作为可选的技术方案,该多元酚受阻酚为选自于由1,3,5-三(3,5-二叔丁基-4-羟基苄基)-1,3,5-三嗪-2,4,6-三酮、1,3,5-三甲基-2,4,6-三(3,5-二叔丁基-4-羟基苄基)苯及四(3,5-二叔丁基羟基氢化肉桂酸)季戊四醇酯中的至少一种。
作为可选的技术方案,该聚胺甲酸酯黏着剂包含85.7~90.9重量份的聚酯多元醇以及10.1~14.3重量份的聚异氰酸酯。
该聚酯多元醇具有的数量平均分子量为8000~30000。
作为可选的技术方案,该聚酰胺保护层的厚度介于15~40μm。
作为可选的技术方案,该铝箔层的厚度介于30~60μm。
作为可选的技术方案,该聚胺甲酸酯黏着层的厚度介于2~10μm。
此外,本发明的另一目的在于提供一种用于锂电池的复合材料,其特征在于,由外层至内层依序包含:聚酰胺保护层、聚胺甲酸酯黏着层、铝箔层、聚烯烃黏着层以及聚烯烃热封层,其中,该聚胺甲酸酯黏着层的动态黏弹性阻尼系数介于0.45~0.6,且该聚胺甲酸酯黏着层包含聚胺甲酸酯黏着剂及多元酚受阻酚,并于每百重量份的该聚胺甲酸酯黏着剂中使用4~10重量份的该多元酚受阻酚。
相比于现有技术,本发明的复合包装材料在第一黏着层中添加有多元酚受阻酚,借由多元酚受阻酚与聚胺甲酸酯之间所产生的氢键来产生阻尼效果,而含有阻尼效果的复合包装材料可有效缓冲并且耗散冲压成型时施加在复合包装材料的应力,因此复合包装材料的可冲压成型性得以提升,并且减少冲压时所造成的破损。避免保护层因应力集中而发生疲劳破损,从而增加复合包装材料凹部的可冲压深度。
以下结合附图和具体实施例对本发明进行详细描述,但不作为对本发明的限定。
附图说明
图1为本发明一实施例中用于锂电池的复合包装材料的结构示意图。
具体实施方式
以下通过说明书附图来说明本发明用于锂电池的复合包装材料,图1显示复合包装材料100由外层至内层依序包含保护层10、第一黏着层20、铝箔层30、第二黏着层40以及热封层50,其中内层是指在冲压成型过程中形成凹面,并且容纳电解液等电池材料的一侧,外层是指在冲压成型过程中形成凸面,并且与外界环境接触的一侧。
本发明用于锂电池的复合包装材料的保护层10可为聚酰胺薄膜,且优选为经两轴延伸的聚酰胺薄膜。使用聚酰胺薄膜的保护层10具有优异的柔软性、耐磨度、耐穿刺性、耐热性、及绝缘性等,可避免复合包装材料100的内层受到划伤,缓冲外界对电池所造成的冲击震荡,借此来保护电池内部。优选地,保护层10的厚度可介于15~40μm以提供充分的保护效果。
本发明用于锂电池的复合包装材料的铝箔层30可为纯铝制成的软质铝箔或者为含有2wt%铁的铝箔,使复合包装材料100具有延展性及气体障壁性。优选地,该铝箔层30可在贴合前经过化成处理,使表面的金属铝氧化生成致密的氧化膜,借此提高对水气、氧气的障壁性。其中化成处理的方式优选为利用微凹版印刷,将化成药水涂布至铝箔层30的双面,然后经80~180℃高温烘烤,以在铝箔层30的表面生成致密的氧化膜。优选地,铝箔层30的厚度介于30~60μm。若铝箔层30的厚度小于30μm,容易在冲压成型时导致铝箔层30破裂、或产生针孔,于是有水气及氧气侵入的疑虑。若铝箔层30的厚度大于60μm,则包装材料的总厚度变厚、重量增加。
本发明用于锂电池的复合包装材料的热封层50可为聚烯烃薄膜,优选为由聚乙烯、聚丙烯及烯烃系共聚物中的至少一种热塑性树脂薄膜,更佳为聚丙烯薄膜。聚烯烃薄膜具有良好的热封性,并且具有耐电解液腐蚀性、耐戳穿性、以及绝缘性。优选地,热封层10的厚度可为30~80μm,可提供充分的热封性及耐电解液性等。
本发明的复合包装材料是用第一黏着层20黏着保护层10及铝箔层30,且第一黏着层20为包含聚胺甲酸酯黏着剂及多元酚受阻酚的聚胺甲酸酯层。该聚胺甲酸酯层可将有机材质的保护层10以及金属材质的铝箔层30紧密黏着并可提供缓冲及耗散应力的阻尼效果,以避免冲压时保护层10与铝箔层30之间发生破裂,从而提高复合包装材料100的可冲压性。
本发明用于锂电池的复合包装材料的第一黏着层20含有聚胺甲酸酯黏着剂及多元酚受阻酚,其中多元酚受阻酚借由酚羟基与聚胺甲酸酯中的氮、氧原子形成氢键,于是当第一黏着层20受到冲击时,其中的氢键可吸收机械能并且通过断键将其转为热能耗散,从而实现阻尼效果。阻尼效果是指物体受冲击而产生弹性变形时,内部吸收机械能并将其耗散的能力。本发明复合包装材料的第一黏着层20的动态黏弹性阻尼系数(tanδ)介于0.45~0.6,此可使保护层10及铝箔层30匹配并且有效地缓冲及耗散冲压设备对复合包装材料冲压时产生的应力,减少复合包装材料冲压成型时的破损。因动态黏弹性阻尼系数与黏着层的厚度有关,故在此动态黏弹性阻尼系数范围下,该第一黏着层20的厚度可介于2~10μm。若第一黏着层20的厚度小于2μm,黏着强度不足且阻尼效果不明显。若厚度大于10μm亦有黏着强度下降的情况。优选地,第一黏着层20的厚度为介于2~7μm。
第一黏着层20含有聚胺甲酸酯黏着剂及多元酚受阻酚,且于每百重量份的聚胺甲酸酯黏着剂中使用4~10重量份的多元酚受阻酚。若多元酚受阻酚比例小于4重量份,阻尼效果有限;若多元酚受阻酚比例大于10重量份,多元酚受阻酚会在聚胺甲酸酯的分子链之间产生立体障碍,从而影响氢键的产生,阻尼效果下降。
利用第一黏着层20黏着保护层10与铝箔层30时,首先将聚酯多元醇、聚异氰酸酯及多元酚受阻酚混合而得到的胶液涂布在铝箔层30的表面,接着与保护层10进行贴合后再进行熟成。熟成过程中聚酯多元醇的羟基(OH)会与聚异氰酸酯的异氰酸酯基(NCO)反应聚合为聚胺甲酸酯,从而形成具有黏着性的聚胺甲酸酯层,其中多元酚受阻酚并未参与聚合反应,而是掺杂在聚胺甲酸酯的分子链之间,与聚胺甲酸酯形成氢键而产生阻尼效果。此外,亦可根据实际需要在黏着剂中加入适量添加剂来调整反应性及涂布操作性,此等添加剂可选用在此技术领域泛知者,故在此不多作说明及限制。
在本发明的复合材料的第一黏着层20中适用的多元酚受阻酚具有较高的分子量,在高温下可表现出非挥发特性。优选地,多元酚受阻酚可为以均三嗪或均三甲苯为骨架的三元酚受阻酚,也可为以季戊四醇为骨架的四元酚受阻酚。适用的三元酚受阻酚的例示优选为1,3,5-三(3,5-二叔丁基-4-羟基苄基)-1,3,5-三嗪-2,4,6-三酮(分子量=784.08)及1,3,5-三甲基-2,4,6-三(3,5-二叔丁基-4羟基苄基)苯(分子量=775.20)。适用的四元酚受阻酚的例示优选为四(3,5-二叔丁基羟基氢化肉桂酸)季戊四醇酯(分子量=1177.63)。可单独使用上述多元酚受阻酚的其中一种,也可使用两种以上的混合物。
优选地,聚胺甲酸酯黏着剂中聚酯多元醇的使用量可介于85.7~90.9重量份,聚异氰酸酯的使用量可介于10.1~14.3重量份。若聚酯多元醇使用量低于前述范围时,聚合而成的黏着剂中聚脲硬段增加而有延展性下降的情况;若聚酯多元醇使用量高于前述范围时,则有聚合不完全而黏着强度下降的疑虑。
适用于本发明的聚胺甲酸酯黏着剂的聚酯多元醇可具有介于-10~30℃的玻璃移转温度(Tg),当Tg低于-10℃时会影响第一黏着层20的可冲压性,当Tg高于30℃时则影响聚合固化后聚胺甲酸酯的黏着强度。玻璃移转温度介于所述温度范围的聚酯多元醇可为由具有羧基(COOH)的多元酸以及具有羟基(OH)的多元醇聚合得到。优选地,所述多元酸可为间苯二甲酸、对苯二甲酸、萘二甲酸、邻苯二甲酸、己二酸、壬二酸、癸二酸、琥珀酸、戊二酸、偏苯三甲酸、均苯四甲酸、邻苯二甲酸酐、四氢邻苯二甲酸酐、六氢邻苯二甲酸酐、顺丁烯二酸酐、衣康酸酐及这些酯化合物等的单一化合物或混合物。优选地,所述多元醇可为乙二醇、二乙二醇、三乙二醇、丙二醇、二丙二醇、1,6-己二醇、季戊二醇、1,4-丁二醇、1,4-环己烷二甲醇、三羟甲基丙烷、甘油、1,9-壬二醇、3-甲基-1,5-戊二醇、聚醚多元醇、聚碳酸酯多元醇、聚烯烃多元醇、丙烯酸系多元醇、聚胺甲酸酯多元醇等的单一化合物或混合物。
本发明的聚胺甲酸酯黏着剂的聚酯多元醇优选可为聚胺甲酸酯多元醇。即,为先将上述多元酸与上述多元醇反应得到聚酯多元醇,再将所得聚酯多元醇与聚异氰酸酯反应得到具有胺甲酸酯基团的聚酯多元醇。该聚异氰酸酯优选可为由2,4-甲苯二异氰酸酯、2,6-甲苯二异氰酸酯、二甲苯二异氰酸酯、二苯基甲烷二异氰酸酯、异佛尔酮二异氰酸酯、1,5-萘二异氰酸酯、六亚甲基二异氰酸酯、氢化二苯基甲烷二异氰酸酯等的单一化合物或混合物聚合而成。
适用于本发明的聚胺甲酸酯黏着剂的聚酯多元醇具有的数量平均分子量优选为8000~30000,更优选可为10000~20000。若数量平均分子量小于8000时,尚未完全固化的胶液内聚力不足,因此将贴合完毕的复合包装材料卷收后会出现层间滑动、隆起等的剥离现象。若数量平均分子量大于30000时,聚酯多元醇黏度上升且对溶剂的溶解度降低,因此所调配的胶液会有流动性差、对基材湿润性不佳的疑虑。
适用于本发明的聚胺甲酸酯黏着剂的聚异氰酸酯可为三亚甲基二异氰酸酯、四亚甲基二异氰酸酯、六亚甲基二异氰酸酯、1,2-丙烯二异氰酸酯、1,2-丁烯二异氰酸酯、2,3-丁烯二异氰酸酯、1,3-丁烯二异氰酸酯、2,4,4-三甲基六亚甲基二异氰酸酯、2,2,4-三甲基六亚甲基二异氰酸酯、2,6-二异氰酸酯甲基己酸酯等脂肪族二异氰酸酯、1,4-环己烷二异氰酸酯、1,3-环己烷二异氰酸酯、3-异氰酸酯甲基-3,5,5-三甲基环己基异氰酸酯、4,4’-亚甲基双(环己基异氰酸酯)、甲基-2,4-环己烷二异氰酸酯、甲基-2,6-环己烷二异氰酸酯、1,4-双(异氰酸酯甲基)环己烷、1,3-双(异氰酸酯甲基)环己烷等脂环式二异氰酸酯、间苯二异氰酸酯、对苯二异氰酸酯、4,4’-二苯基二异氰酸酯、1,5-萘二异氰酸酯、4,4’-二苯基甲烷二异氰酸酯、2,4-甲苯二异氰酸酯或2,6-甲苯二异氰酸酯或其混合物、4,4’-甲苯胺二异氰酸酯、联茴香胺二异氰酸酯、4,4’-二苯醚二异氰酸酯等芳香族二异氰酸酯、1,3-二甲苯二异氰酸酯或1,4-二甲苯二异氰酸酯或其混合物、ω,ω’-二异氰酸基-1,4-二乙基苯、1,3-双(1-异氰酸基-1-甲基乙基)苯或1,4-双(1-异氰酸基-1-甲基乙基)苯或其混合物等芳香脂肪族二异氰酸酯,三苯基甲烷-4,4’,4”-三异氰酸酯、苯-1,3,5-三异氰酸酯、甲苯-2,4,6-三异氰酸酯等有机三异氰酸酯,4,4’-二苯基二甲基甲烷-2,2’,5,5’-四异氰酸酯等有机四异氰酸酯等聚异氰酸酯单体,也可为由上述异氰酸酯单体衍生的二聚物、三聚物、缩二脲、脲基甲酸酯,由二氧化碳与上述聚异氰酸酯单体获得的具有2,4,6-恶二嗪三酮环的聚异氰酸酯。
适用的聚异氰酸酯亦可为通过多元醇改质的聚异氰酸酯,用于改质的多元醇为乙二醇、丙二醇、丁二醇、己二醇、季戊二醇、1,6-己二醇、3-甲基-1,5-戊二醇、3,3’-二羟甲基丙烷、环己烷二甲醇、二乙二醇、三乙二醇、二丙二醇、甘油、三羟甲基丙烷、季戊四醇、山梨糖醇等分子量小于200的低分子多元醇的加成物,或与分子量为200~20,000的聚酯多元醇、聚醚酯多元醇、聚酯酰胺多元醇、聚己内酯多元醇、聚戊内酯多元醇、丙烯酸系多元醇、聚碳酸酯多元醇、聚羟基烷烃、蓖麻油、聚胺甲酸酯多元醇等的加成物等。
铝箔层30及热封层50通过第二黏着层40进行黏着,第二黏着层40优选为包含聚乙烯及聚丙烯中至少一种的聚烯烃黏着剂。第二黏着层40的厚度优选为3~10μm,以提供良好的黏着性及耐受电解液。在本发明用于锂电池包装的复合材料可选用此技术领域适用的公知聚烯烃黏着剂贴合铝箔层30及热封层50。
以下配合实施例来说明本发明用于锂电池的复合包装材料,但本发明并不限于以下的实施例。
实施例1
(第一黏着剂的制备)
取88.89g的聚酯多元醇(TM-K55,购自东洋先端科技,中国台湾)与11.11g的聚异氰酸酯(CAT-10,东洋先端科技,中国台湾)均匀混合,再用乙酸乙酯稀释成固含量15%以制备胶液。取4g的1,3,5-三(3,5-二叔丁基-4-羟基苄基)-1,3,5-三嗪-2,4,6-三酮(三嗪型受阻酚,Evernox 3114,妙春实业,中国台湾)与乙酸乙酯混合以制备成固含量15%的多元酚受阻酚溶液并加至上述胶液中,充分混合后即完成第一黏着剂的制备。多元酚受阻酚的使用量整理于下述的表1中。
取部分第一黏着剂进行动态黏弹性阻尼系数的量测,结果列于表2。
(第二黏着剂的制备)
将100g的聚烯烃黏着剂(XP11B,购自三井化学,日本)与5g的聚异氰酸酯硬化剂(N3390,购自COVESTRO,德国)混合,并利用甲基环己烷稀释成固含量15%的胶液。
(复合包装材料的制备)
于40μm经化成处理的铝箔(型号A8021-0,购自东一铝业,韩国)表面上涂布3μm第一黏着剂后,与25μm聚酰胺薄膜(RX-F,购自KOHJIN,日本)贴合,然后在85℃的环境下干燥1.5分钟。接着再于铝箔的另一表面涂布5μm第二黏着剂,并贴合40μm流延聚丙烯薄膜(ET20,冈本株式会社,日本),然后在120℃的环境下干燥1.5分钟。将此贴合膜静置熟成7天,得到用于锂电池的复合包装材料。
将制得的复合包装材料进行聚酰胺薄膜与铝箔之间的黏着强度测试及冲压测试,结果列于表3、表4。
实施例2、3及比较例1、2
实施例2、3及比较例1、2的复合包装材料制备同实施例1,除了多元酚受阻酚依下表1的使用量添加至胶液中,以制备第一黏着剂。
将各组取部份的第一黏着剂进行动态黏弹性阻尼系数的量测,结果分别列于表2,并将制得的复合包装材料进行聚酰胺薄膜与铝箔的黏着强度测试及冲压测试,结果分别列于表3及表4。
表1
(第一黏着层的动态黏弹性阻尼系数的量测)
将实施例1至3及比较例1至2制备的第一黏着剂胶液倒入铺有离型膜的平底盒内,将样品置于80℃的烘箱中加热至无溶剂残留并且形成厚度约2mm的胶块。将干燥后的胶块,置入45℃的烘箱中熟成7天。
熟成后的胶块裁切成30±2mm×3±1mm×2±0.5mm的尺寸,在30℃下,通过动态机械分析仪(Q800,购自TAInstruments)量测胶块的弹性模数(G′)以及黏性模数(G″),由以下式1算出动态黏弹性阻尼系数(tanδ)。量测方式采单悬臂测试,升温速度为2℃/min,测试频率1Hz。测量结果列示于表2。
G′/G″=tanδ (式1)
表2
由实施例1至3的结果可知,添加三嗪型受阻酚后动态黏弹性阻尼系数(tanδ)增加。但由比较例2的结果显示,当多元酚受阻酚的使用量过多时,tanδ值反而下降。tanδ值为用于评估胶块的阻尼效果的参数,当tanδ值越大时,胶块则有较佳的阻尼效果。
(聚酰胺薄膜与铝箔之间黏着强度的量测)
分别利用实施例1至3及比较例1至2制备的第一黏着剂将聚酰胺薄膜与铝箔黏合并制得复合包装材料后,进行第一黏着层黏着强度的量测。量测方法是遵照ASTM D-1876规范,以15mm宽的试片进行T型剥离测试,其结果如表3所示。
表3
相较于比较例1,使用多元酚受阻酚的实施例1至3仍具有足够的黏着强度。比较例2中使用过量的多元酚受阻酚,黏着强度下降。
(复合包装材料的冲压结果)
将实施1至3及比较例1至2制得的复合包装材料以3000μm/sec的冲压速度进行冲压测试,且冲压面积为200×100mm。每一冲压深度分别测试5次,观察每次冲压成型后的外观有无破损的情况,其结果显示在以下表4。
表4
注:「-」表示未测试。
相较比较例1,实施例1至3的复合包装材料的冲压深度皆有至少1.0mm以上的提升,证实在第一黏着层中含有多元酚受阻酚可发挥缓冲作用,增加复合包装材料的可冲压性,减少冲压成型时产生破损的情况。比较例2中在第一黏着层中含有过量的多元酚受阻酚,在冲压深度7.5mm时即观察到破损,可冲压性并未提升。
由以上实验结果可知,在第一黏着层中添加适量的多元酚受阻酚后tanδ值上升,第一黏着层的阻尼效果增加。将具有阻尼效果的黏着层应用于复合包装材料时,其可冲压性亦有提升。
本发明的复合包装材料在第一黏着层中添加有多元酚受阻酚,借由多元酚受阻酚与聚胺甲酸酯之间所产生的氢键来产生阻尼效果,而含有阻尼效果的复合包装材料可有效缓冲并且耗散冲压成型时施加在复合包装材料的应力,因此复合包装材料的可冲压成型性得以提升,并且减少冲压时所造成的破损。
综上所述,本发明的复合包装材料,可提供良好的层间黏着性以及冲压延展性,以利于复合包装材料在冲压时能够缓冲并且耗散应力,避免保护层因应力集中而发生疲劳破损,从而增加复合包装材料凹部的可冲压深度。
当然,本发明还可有其它多种实施例,在不背离本发明精神及其实质的情况下,熟悉本领域的技术人员可根据本发明作出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
Claims (9)
1.一种用于锂电池的复合包装材料,其特征在于,由外层至内层依序包含:
聚酰胺保护层、聚胺甲酸酯黏着层、铝箔层、聚烯烃黏着层以及聚烯烃热封层,该聚胺甲酸酯黏着层包含聚胺甲酸酯黏着剂及多元酚受阻酚,于每百重量份的该聚胺甲酸酯黏着剂中使用4~10重量份的该多元酚受阻酚;
其中,该聚胺甲酸酯黏着层的动态黏弹性阻尼系数介于0.45~0.6。
2.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该多元酚受阻酚为三元酚受阻酚及四元酚受阻酚的其中至少一种。
3.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该多元酚受阻酚为选自于由1,3,5-三(3,5-二叔丁基-4-羟基苄基)-1,3,5-三嗪-2,4,6-三酮、1,3,5-三甲基-2,4,6-三(3,5-二叔丁基-4-羟基苄基)苯及四(3,5-二叔丁基羟基氢化肉桂酸)季戊四醇酯中的至少一种。
4.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该聚胺甲酸酯黏着剂包含85.7~90.9重量份的聚酯多元醇以及10.1~14.3重量份的聚异氰酸酯。
5.如权利要求4所述的用于锂电池的复合包装材料,其特征在于,该聚酯多元醇具有的数量平均分子量为8000~30000。
6.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该聚酰胺保护层的厚度介于15~40μm。
7.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该铝箔层的厚度介于30~60μm。
8.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该聚胺甲酸酯黏着层的厚度介于2~10μm。
9.如权利要求1所述的用于锂电池的复合包装材料,其特征在于,该聚烯烃热封层的厚度介于30~80μm。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006156334A (ja) * | 2004-10-26 | 2006-06-15 | Dainippon Printing Co Ltd | 電池用包装材 |
CN103098230A (zh) * | 2010-08-31 | 2013-05-08 | 东丽薄膜先端加工股份有限公司 | 太阳能电池模块用背面保护片材及使用其的太阳能电池模块 |
CN103560213A (zh) * | 2013-10-18 | 2014-02-05 | 南亚塑胶工业股份有限公司 | 一种用于锂电池的铝塑膜包装材料 |
CN103975035A (zh) * | 2012-11-01 | 2014-08-06 | 东洋油墨Sc控股株式会社 | 电池用包装材料用聚胺甲酸酯接着剂、电池用包装材料、电池用容器及电池 |
CN104334669A (zh) * | 2012-05-30 | 2015-02-04 | 帝人株式会社 | 粘接用层叠体 |
CN104553147A (zh) * | 2013-10-15 | 2015-04-29 | 昭和电工包装株式会社 | 成型用包装材料 |
EP3352240A1 (en) * | 2015-09-17 | 2018-07-25 | Toppan Printing Co., Ltd. | Exterior material for lithium ion battery |
-
2019
- 2019-10-23 CN CN201911008927.9A patent/CN110978688B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006156334A (ja) * | 2004-10-26 | 2006-06-15 | Dainippon Printing Co Ltd | 電池用包装材 |
CN103098230A (zh) * | 2010-08-31 | 2013-05-08 | 东丽薄膜先端加工股份有限公司 | 太阳能电池模块用背面保护片材及使用其的太阳能电池模块 |
CN104334669A (zh) * | 2012-05-30 | 2015-02-04 | 帝人株式会社 | 粘接用层叠体 |
CN103975035A (zh) * | 2012-11-01 | 2014-08-06 | 东洋油墨Sc控股株式会社 | 电池用包装材料用聚胺甲酸酯接着剂、电池用包装材料、电池用容器及电池 |
CN104553147A (zh) * | 2013-10-15 | 2015-04-29 | 昭和电工包装株式会社 | 成型用包装材料 |
CN103560213A (zh) * | 2013-10-18 | 2014-02-05 | 南亚塑胶工业股份有限公司 | 一种用于锂电池的铝塑膜包装材料 |
EP3352240A1 (en) * | 2015-09-17 | 2018-07-25 | Toppan Printing Co., Ltd. | Exterior material for lithium ion battery |
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