CN116001399A - 一种耐腐蚀的铝塑复合膜及其制备方法 - Google Patents
一种耐腐蚀的铝塑复合膜及其制备方法 Download PDFInfo
- Publication number
- CN116001399A CN116001399A CN202211571117.6A CN202211571117A CN116001399A CN 116001399 A CN116001399 A CN 116001399A CN 202211571117 A CN202211571117 A CN 202211571117A CN 116001399 A CN116001399 A CN 116001399A
- Authority
- CN
- China
- Prior art keywords
- plastic composite
- composite film
- layer
- corrosion
- protective layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 35
- 238000005260 corrosion Methods 0.000 title claims abstract description 35
- 239000004033 plastic Substances 0.000 title claims abstract description 32
- 229920003023 plastic Polymers 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000011241 protective layer Substances 0.000 claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000011888 foil Substances 0.000 claims abstract description 28
- 239000004677 Nylon Substances 0.000 claims abstract description 27
- 229920001778 nylon Polymers 0.000 claims abstract description 27
- 239000003085 diluting agent Substances 0.000 claims abstract description 12
- 239000012948 isocyanate Substances 0.000 claims abstract description 11
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 11
- 239000012793 heat-sealing layer Substances 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000002161 passivation Methods 0.000 claims description 14
- 238000013329 compounding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 239000012748 slip agent Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003849 aromatic solvent Substances 0.000 claims description 4
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 claims description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000002985 plastic film Substances 0.000 abstract description 9
- 229920006255 plastic film Polymers 0.000 abstract description 9
- 238000004080 punching Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 12
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 12
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 12
- -1 polypropylene Polymers 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 229920006284 nylon film Polymers 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 235000013024 sodium fluoride Nutrition 0.000 description 6
- 239000011775 sodium fluoride Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/088—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyamides
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/136—Flexibility or foldability
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/145—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against corrosion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开了一种耐腐蚀的铝塑复合膜,包括热封层,设于所述热封层表面的铝箔层、设于所述铝箔层表面的尼龙层,设于所述尼龙层表面的保护层,所述保护层的制备原料,按重量份数计,包括100份的可溶性氟树脂、25‑40份的异氰酸酯固化剂、267‑290份的爽滑剂稀释液,其中,所述可溶性氟树脂含羟基官能团。本发明通过在尼龙层外表面设置保护层,有效地提高其抗腐蚀性能,在电池生产工序中,可以有效防护铝塑膜的外观,且能提高铝塑复合膜的爽滑效果和冲深能力。本发明还提供一种耐腐蚀的铝塑复合膜的制备方法。
Description
技术领域
本发明涉及铝塑复合膜技术领域,更具体地涉及一种耐腐蚀的铝塑复合膜及其制备方法。
背景技术
锂离子电池广泛应用于数码、交通工具、军事以及储能方面的新能源系统,目前锂离子电池软包装膜主要应用的是铝塑复合膜,铝铝塑复合膜(也简称铝塑膜)由外层的尼龙保护层、中间的铝箔以及内层的CPP(聚丙烯)层组成。铝塑膜作为电池的外包装壳,铝塑膜在电池生产工序中,不可避免的接触到电解液,进而腐蚀铝塑膜外表面,影响电池外观。为解决这一问题,传统方式是在铝塑膜外表面复合一层聚对苯二甲酸乙二酯薄膜或聚对苯二甲酸丁二酯薄膜,以达到表面耐腐蚀的效果。一方面,聚对苯二甲酸乙二酯薄膜或聚对苯二甲酸丁二酯薄膜的耐腐蚀薄膜的价格比较高,从而导致铝塑膜的生产成本高;另一方面,这种薄膜的厚度比较薄,使得复合工艺难度大。
发明内容
为了克服现有技术的缺陷,本发明的目的是提供一种耐腐蚀的铝塑复合膜及其制备方法,该铝塑复合膜最外层耐腐蚀性能优良,在电池生产工序中,可以有效防护铝塑膜的外观,且能提高该铝塑复合膜的爽滑效果和冲深能力。
为了实现上述目的,本发明公开了一种耐腐蚀的铝塑复合膜,包括热封层,设于所述热封层表面的铝箔层、设于所述铝箔层表面的尼龙层,设于所述尼龙层表面的保护层,所述保护层的制备原料,按重量份数计,包括100份的可溶性氟树脂、25-40份的异氰酸酯固化剂、267-290份的爽滑剂稀释液,其中,所述可溶性氟树脂含羟基官能团。
与现有技术相比,本发明的耐腐蚀的铝塑复合膜,通过在尼龙层的外表面设置保护层,使得最外层耐腐蚀性能优良,其中,保护层采用含羟基官能团的可溶性氟树脂、异氰酸酯固化剂、爽滑剂稀释液复配,既可以实现铝塑复合膜良好的耐腐蚀效果,在电池生产工序中,能有效防护铝塑膜的外观,还能提高该铝塑复合膜的爽滑效果和冲深能力。
其中,按重量份数计,异氰酸酯固化剂的含量可为但不限于25份、26份、27份、28份、29份、30份、31份、32份、33份、34份、35份、36份、37份、38份、39份、40份;爽滑剂稀释液的含量可为但不限于267份、275份、280份、285份、290份。
较佳地,所述爽滑剂稀释液通过爽滑剂溶解在溶剂中制得,所述爽滑剂选自硬脂酸酰胺、乙撑双硬脂酸酰胺、硅油、芥酸酰胺中的至少一种。
较佳地,按质量百分数计,所述爽滑剂稀释液中所述爽滑剂的含量为0.25%-1.0%。作为示例地,爽滑剂稀释液中含有有效成分爽滑剂含量可为但不限于0.25%、0.50%、0.75%、1.0%。
较佳地,所述溶剂选自芳香族溶剂。进一步地,所述芳香族溶剂选自二甲苯、乙苯中的至少一种。
相应地,本发明提供一种耐腐蚀的铝塑复合膜的制备方法,包括步骤:
(1)制备保护层涂布液:
(a)将爽滑剂加入溶剂中加热搅拌,得到混合物A;
(b)将可溶性氟树脂、异氰酸酯固化剂和混合物A搅拌均匀,得到保护层涂布液。
(2)提供铝箔并双面钝化处理,在铝箔的哑面复合尼龙层;
(3)在铝箔的亮面复合热封层;
(4)在尼龙层的表面涂覆保护层涂布液,烘烤固化,在尼龙层的表面形成保护层。
较佳地,步骤(4)中,烘烤温度至少为180℃,作为示例地,烘烤温度可为但不限于180℃、185℃、190℃、195℃、200℃等等,若温度较低,短时间烘干会造成保护层未能在尼龙层表面形成牢固的涂层,耐腐蚀效果不佳,且由于表面的疏松结构,耐腐蚀层未能很好的成膜;若采用较长时间烘干,则生产效率降低。
较佳地,步骤(4)中,保护层涂布液的涂布量为3-5g/m2,作为示例地,保护层涂布液的涂布量可为但不限于3g/m2、3.5g/m2、4g/m2、4.5g/m2、5g/m2,涂布量偏低会导致耐腐蚀性能、冲深性能及爽滑性能不佳。
较佳地,步骤(4)中,烘烤时间大于30s,作为示例地,烘烤时间可为但不限于30s、35s、40s、45s、50s。
具体实施方式
为详细说明本发明的技术内容、构造特征、所实现目的及效果,以下结合实施方式详予说明。
实施例1
一种耐腐蚀的铝塑复合膜的制备方法,包括步骤:
(1)提供河南明泰40μm的铝箔,对铝箔的哑面和亮面均进行钝化处理,
其中,钝化液采用含硝酸铬、水性环氧树脂、氟化钠、磷酸配制。其中,硝酸铬、水性环氧树脂、氟化钠和水,按照2:5:1:92质量比混合后,再用磷酸调节pH至3-4,采用该钝化液对铝箔进行双面钝化,然后在150℃烘干待用;
(2)将钝化处理后的铝箔亮面与40μm聚丙烯膜采用热法复合;
(3)将铝箔哑面与长塑25μm尼龙膜干式复合,60℃固化3天,得到半成品;
(4)在尼龙层的表面涂覆保护层涂布液,涂布量为3g/m2,涂布后烘烤30s,温度为180℃,实现固化,尼龙层表面形成保护层,得到产品,
其中,保护层涂布液制备如下:
(a)将乙撑双硬脂酸酰胺加入二甲苯中加热搅拌,得到混合物A,其中,乙撑双硬脂酸酰胺与二甲苯质量配比为0.25:99.75;
(b)将100份的可溶性氟树脂(LFX485F)、25份的异氰酸酯固化剂(K75)和267份的混合物A搅拌均匀,得到保护层涂布液。
实施例2
一种耐腐蚀的铝塑复合膜的制备方法,包括步骤:
(1)提供河南明泰40μm的铝箔,对铝箔的哑面和亮面均进行钝化处理,
其中,钝化液采用含硝酸铬、水性环氧树脂、氟化钠、磷酸配制,其中,硝酸铬、水性环氧树脂、氟化钠和水,按照2:5:1:92质量比混合后,再用磷酸调节pH至3-4,采用该钝化液对铝箔进行双面钝化,然后在150℃烘干待用;
(2)将钝化处理后的铝箔亮面与40μm聚丙烯膜采用热法复合;
(3)将铝箔哑面与长塑25μm尼龙膜干式复合,60℃固化3天,得到半成品;
(4)在尼龙层的表面涂覆保护层涂布液,涂布量为5g/m2,涂布后烘烤30s,温度为190℃,实现固化,尼龙层表面形成保护层,得到产品,
其中,保护层涂布液制备如下:
(a)将乙撑双硬脂酸酰胺加入二甲苯中加热搅拌,再加入芥酸酰胺,得到混合物A,其中,乙撑双硬脂酸酰胺与二甲苯质量配比为0.25:99.75;
(b)将100份的可溶性氟树脂(LFX485F)、40份的异氰酸酯固化剂(K75)和290份的混合物A搅拌均匀,得到保护层涂布液。
实施例3
实施例3与实施例1基本相同,不同在于,实施例3中爽滑剂为硅油,实施例1中爽滑剂为乙撑双硬脂酸酰胺,其余与实施例1相同,在此不再阐述。
对比例1
对比例1中无保护层,其铝塑复合膜的制备方法,包括步骤:
(1)提供河南明泰40μm的铝箔,对铝箔的哑面和亮面均进行钝化处理,
其中,钝化液采用含硝酸铬、水性环氧树脂、氟化钠、磷酸配制,其中,硝酸铬、水性环氧树脂、氟化钠和水,按照2:5:1:92质量比混合后,再用磷酸调节pH至3-4,采用该钝化液对铝箔进行双面钝化,然后在150℃烘干待用;
(2)将钝化处理后的铝箔亮面与40μm聚丙烯膜采用热法复合;
(3)将铝箔哑面与长塑25μm尼龙膜干式复合,60℃固化3天,得到产品。
对比例2
本对比例与实施例1基本相同,不同在于:对比例2中保护层涂布液的涂布量为2g/m2,而实施例1中保护层涂布液的涂布量为3g/m2,其余与实施例1相同,在此不再阐述。
对比例3
本对比例与实施例1基本相同,不同在于:对比例3中烘烤温度为150℃,而实施例1中烘烤温度为180℃,其余与实施例1相同,在此不再阐述。
对比例4
本对比例与实施例1基本相同,不同在于:对比例4中,保护层涂布液制备如下:
(a)将乙撑双硬脂酸酰胺加入二甲苯中加热搅拌,得到混合物A,其中,乙撑双硬脂酸酰胺、二甲苯的质量配比为2:98;
(b)将100份的可溶性氟树脂(LFX485F)、25份的异氰酸酯固化剂(K75)和267份的混合物A搅拌均匀,得到保护层涂布液。
其余与实施例1相同,在此不再阐述。
将实施例1-3和对比例1-4制得铝塑复合膜进行性能检测:
尼龙膜耐腐蚀性检测方法:用六氟磷酸锂含量1mol/L电解液,加入0.1%水搅拌均匀后,吸取数滴滴在尼龙膜表面,静置2h后,擦去表面电解液,观察尼龙膜表面变化;
尼龙膜摩擦系数检测方法,尼龙膜贴尼龙膜,按照GB 10006方法检测。
冲深深度:将铝塑膜裁切120*150mm大小的样片,用冲壳机进行冲深,坑位尺寸55*60mm,设定冲壳深度Xmm,连续冲壳40个,在暗箱中用强光电筒对着坑位观察有无透光判定是否破损,如未破损则在X基础上增加0.2mm深度,如Xmm概率性破损,则在X基础上降低0.2mm深度,按上述方法继续冲深及观察破损情况。冲深深度H最终以某个深度不破,同时增加0.2mm出现概率性破损,以此时的不破值作为冲深深度的结果。
表1性能测试结果
由表1的数据可知,本发明方法实施例1-3得到的产品具有优良的耐腐蚀性能、爽滑效果和冲深能力。
对比例1中的产品没有保护层,耐腐蚀性能较差,且摩擦系数较大,爽滑效果不佳。
对比例2中的产品虽然有保护层,但因保护层涂布量较低,耐腐蚀性能较弱,爽滑效果仍不理想。
对比例3的产品耐腐蚀性能较差,且摩擦系数较大,爽滑效果不佳。原因是本发明的保护层采用异氰酸酯固化剂与含羟基官能团可溶性氟树脂双组份体系制成,需要在高温下快速固化反应,对比例3中反应温度不够,造成保护层未能在尼龙膜面形成牢固的涂层,未达到耐电解液的效果,同时由于表面的疏松结构,耐腐蚀层未能很好的成膜,冲深和摩擦系数也未达预期。
对比例4中因爽滑剂含量较高,导致尼龙膜面摩擦系数及冲深性能均不见得理想,可能是爽滑剂因浓度高使得在溶剂中溶解效果差涂布在尼龙膜面未能均匀分布。
以上所揭露的仅为本发明的优选实施例而已,当然不能以此来限定本发明之权利范围,因此依本发明申请专利范围所作的等同变化,仍属本发明所涵盖的范围。
Claims (9)
1.一种耐腐蚀的铝塑复合膜,其特征在于,包括热封层,设于所述热封层表面的铝箔层、设于所述铝箔层表面的尼龙层,设于所述尼龙层表面的保护层,所述保护层的制备原料,按重量份数计,包括100份的可溶性氟树脂、25-40份的异氰酸酯固化剂、267-290份的爽滑剂稀释液,所述可溶性氟树脂含羟基官能团。
2.如权利要求1所述的耐腐蚀的铝塑复合膜,其特征在于,所述爽滑剂稀释液通过爽滑剂溶解在溶剂中制得,所述爽滑剂选自硬脂酸酰胺、乙撑双硬脂酸酰胺、硅油、芥酸酰胺中的至少一种。
3.如权利要求2所述的耐腐蚀的铝塑复合膜,其特征在于,所述爽滑剂稀释液中所述爽滑剂的含量为0.25%-1.0%。
4.如权利要求2所述的耐腐蚀的铝塑复合膜,其特征在于,所述溶剂选自芳香族溶剂。
5.如权利要求4所述的耐腐蚀的铝塑复合膜,其特征在于,所述芳香族溶剂选自二甲苯、乙苯中的至少一种。
6.一种如权利要求1-5任一项所述的耐腐蚀的铝塑复合膜的制备方法,其特征在于,包括步骤:
(1)制备保护层涂布液:
(a)将爽滑剂加入溶剂中加热搅拌,得到爽滑剂稀释液;
(b)将可溶性氟树脂、异氰酸酯固化剂和爽滑剂稀释液搅拌均匀,得到保护层涂布液。
(2)提供铝箔并进行双面钝化处理,在铝箔的哑面复合尼龙层;
(3)在铝箔的亮面复合热封层;
(4)在尼龙层的表面涂覆保护层涂布液,烘烤固化,在尼龙层的表面形成保护层。
7.如权利要求6所述的耐腐蚀的铝塑复合膜,其特征在于,步骤(4)中,烘烤温度至少为180℃。
8.如权利要求6所述的耐腐蚀的铝塑复合膜,其特征在于,步骤(4)中,保护层涂布液的涂布量为3-5g/m2。
9.如权利要求6所述的耐腐蚀的铝塑复合膜,其特征在于,步骤(4)中,烘烤时间大于30s。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211571117.6A CN116001399A (zh) | 2022-12-08 | 2022-12-08 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
PCT/CN2023/097291 WO2024119738A1 (zh) | 2022-12-08 | 2023-05-31 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211571117.6A CN116001399A (zh) | 2022-12-08 | 2022-12-08 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116001399A true CN116001399A (zh) | 2023-04-25 |
Family
ID=86032872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211571117.6A Pending CN116001399A (zh) | 2022-12-08 | 2022-12-08 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN116001399A (zh) |
WO (1) | WO2024119738A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116715999A (zh) * | 2023-07-31 | 2023-09-08 | 江西省盛纬材料有限公司 | 一种耐腐蚀涂层及其制备方法和应用 |
WO2024119738A1 (zh) * | 2022-12-08 | 2024-06-13 | 江西省盛纬材料有限公司 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006236938A (ja) * | 2005-02-28 | 2006-09-07 | Dainippon Printing Co Ltd | 電池用包装材 |
CN101608084A (zh) * | 2008-06-16 | 2009-12-23 | 中涂化工(上海)有限公司 | 一种四氟树脂涂料 |
US20130316170A1 (en) * | 2012-05-28 | 2013-11-28 | Arisawa Mfg. Co., Ltd. | Resin Composition for Flexible Printed Circuit Board |
CN108329868A (zh) * | 2018-01-19 | 2018-07-27 | 苏州中世惠华合成材料有限公司 | 锂电池包装膜用粘合剂组合物、锂电池包装复合膜、其制备方法及锂电池包装袋 |
CN109825177A (zh) * | 2018-12-28 | 2019-05-31 | 新纶复合材料科技(常州)有限公司 | 一种氟碳涂料 |
CN110423545A (zh) * | 2019-02-13 | 2019-11-08 | 青岛润昊氟碳材料有限公司 | 一种铝型材防腐用水性氟碳涂料及其制造和使用方法 |
CN112018276A (zh) * | 2020-08-21 | 2020-12-01 | 苏州新景新材料科技有限公司 | 一种改善铝塑膜冲深性能的方法 |
CN115302884A (zh) * | 2022-08-04 | 2022-11-08 | 江西省盛纬材料有限公司 | 一种耐电解液性能的铝塑复合膜及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116001399A (zh) * | 2022-12-08 | 2023-04-25 | 江西省盛纬材料有限公司 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
-
2022
- 2022-12-08 CN CN202211571117.6A patent/CN116001399A/zh active Pending
-
2023
- 2023-05-31 WO PCT/CN2023/097291 patent/WO2024119738A1/zh unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006236938A (ja) * | 2005-02-28 | 2006-09-07 | Dainippon Printing Co Ltd | 電池用包装材 |
CN101608084A (zh) * | 2008-06-16 | 2009-12-23 | 中涂化工(上海)有限公司 | 一种四氟树脂涂料 |
US20130316170A1 (en) * | 2012-05-28 | 2013-11-28 | Arisawa Mfg. Co., Ltd. | Resin Composition for Flexible Printed Circuit Board |
CN108329868A (zh) * | 2018-01-19 | 2018-07-27 | 苏州中世惠华合成材料有限公司 | 锂电池包装膜用粘合剂组合物、锂电池包装复合膜、其制备方法及锂电池包装袋 |
CN109825177A (zh) * | 2018-12-28 | 2019-05-31 | 新纶复合材料科技(常州)有限公司 | 一种氟碳涂料 |
CN110423545A (zh) * | 2019-02-13 | 2019-11-08 | 青岛润昊氟碳材料有限公司 | 一种铝型材防腐用水性氟碳涂料及其制造和使用方法 |
CN112018276A (zh) * | 2020-08-21 | 2020-12-01 | 苏州新景新材料科技有限公司 | 一种改善铝塑膜冲深性能的方法 |
CN115302884A (zh) * | 2022-08-04 | 2022-11-08 | 江西省盛纬材料有限公司 | 一种耐电解液性能的铝塑复合膜及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024119738A1 (zh) * | 2022-12-08 | 2024-06-13 | 江西省盛纬材料有限公司 | 一种耐腐蚀的铝塑复合膜及其制备方法 |
CN116715999A (zh) * | 2023-07-31 | 2023-09-08 | 江西省盛纬材料有限公司 | 一种耐腐蚀涂层及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
WO2024119738A1 (zh) | 2024-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN116001399A (zh) | 一种耐腐蚀的铝塑复合膜及其制备方法 | |
CN104354362B (zh) | 一种超高阻隔透明镀氧化铝薄膜及其制造方法 | |
CN115322655B (zh) | 一种容置锂电池电芯的环氧金属复合壳体、包括该复合壳体的锂电池及生产方法 | |
CN110524992B (zh) | 一种锂电池铝塑膜复合用尼龙薄膜及其制备方法 | |
CN114032053B (zh) | 一种锂电池铝塑膜内层胶黏剂及其制备方法 | |
CN103333629A (zh) | 储能、动力锂电池专用胶粘带及其生产方法 | |
CN109608986A (zh) | 一种换热器用石墨烯高导热防腐涂料及其制备方法 | |
CN114181616A (zh) | 一种无铬低温固化水性锌铝涂料及其制备方法和应用 | |
CN109940939A (zh) | 一种二次能源电池用包装材料 | |
CN109749686B (zh) | 一种锂电池铝塑膜复合用黑色胶黏剂及其制备方法 | |
CN109337634B (zh) | 用于铝塑复合标签的高耐水解抗粘背胶黏剂及其制备 | |
TWI686000B (zh) | 用於鋰離子蓄電裝置的漿料組合物 | |
CN110607146B (zh) | 用于pet保护膜的压敏胶及其制备方法 | |
CN105244455B (zh) | 一种软包锂电池用防腐蚀保护膜及其制备方法和应用 | |
CN114889249B (zh) | 一种锂离子电池用铝塑复合膜及其制备方法 | |
CN116715999A (zh) | 一种耐腐蚀涂层及其制备方法和应用 | |
CN101768504A (zh) | 亲水涂层铝箔用水溶性润滑组合物及其制备和使用方法 | |
CN101152645A (zh) | 垫片材料及其制造方法 | |
CN115353819B (zh) | 一种橡胶型锂电池用压敏胶胶带 | |
CN116005147A (zh) | 一种铝箔的钝化方法和铝塑膜的钝化方法 | |
CN112339370B (zh) | 一种三元乙丙橡胶与聚偏氟乙烯的复合膜及其制备方法 | |
CN101597354A (zh) | 高性能绝缘防腐氟材料etfe及其制造方法 | |
CN115302884A (zh) | 一种耐电解液性能的铝塑复合膜及其制备方法 | |
CN103275592A (zh) | 一种防腐蚀丙烯酸酯涂料及其制备方法 | |
CN111082061A (zh) | 锂电池用胶黏剂的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230425 |