CN110511703A - A kind of hot melt adhesive and its application - Google Patents
A kind of hot melt adhesive and its application Download PDFInfo
- Publication number
- CN110511703A CN110511703A CN201910743857.5A CN201910743857A CN110511703A CN 110511703 A CN110511703 A CN 110511703A CN 201910743857 A CN201910743857 A CN 201910743857A CN 110511703 A CN110511703 A CN 110511703A
- Authority
- CN
- China
- Prior art keywords
- hot melt
- melt adhesive
- polyolefin resin
- resin
- styrene
- 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.)
- Granted
Links
- 239000004831 Hot glue Substances 0.000 title claims abstract description 136
- 229920005989 resin Polymers 0.000 claims abstract description 88
- 239000011347 resin Substances 0.000 claims abstract description 88
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 74
- 125000000524 functional group Chemical group 0.000 claims abstract description 35
- 230000004048 modification Effects 0.000 claims abstract description 31
- 238000012986 modification Methods 0.000 claims abstract description 31
- -1 polypropylene Polymers 0.000 claims description 20
- 229920000098 polyolefin Polymers 0.000 claims description 17
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 13
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 150000001336 alkenes Chemical class 0.000 claims description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 9
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 claims description 9
- 229920000459 Nitrile rubber Polymers 0.000 claims description 8
- 229920001400 block copolymer Polymers 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 8
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229910001416 lithium ion Inorganic materials 0.000 claims description 7
- 229920013639 polyalphaolefin Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 239000005062 Polybutadiene Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 6
- 229920003049 isoprene rubber Polymers 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 229920002857 polybutadiene Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 4
- 229920003006 Polybutadiene acrylonitrile Polymers 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920007962 Styrene Methyl Methacrylate Polymers 0.000 claims description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 3
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 claims description 3
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 239000004727 Noryl Substances 0.000 claims description 2
- 229920001207 Noryl Polymers 0.000 claims description 2
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims 2
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- 229920013640 amorphous poly alpha olefin Polymers 0.000 claims 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 claims 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 45
- 239000003292 glue Substances 0.000 abstract description 37
- 239000007788 liquid Substances 0.000 abstract description 24
- 239000000853 adhesive Substances 0.000 abstract description 9
- 230000001070 adhesive effect Effects 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 239000000758 substrate Substances 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000008151 electrolyte solution Substances 0.000 abstract description 6
- 239000003960 organic solvent Substances 0.000 abstract description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 34
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 34
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 34
- 238000012360 testing method Methods 0.000 description 24
- 235000007586 terpenes Nutrition 0.000 description 16
- 239000000047 product Substances 0.000 description 15
- 150000003505 terpenes Chemical class 0.000 description 15
- 238000004026 adhesive bonding Methods 0.000 description 14
- 239000002480 mineral oil Substances 0.000 description 14
- 235000010446 mineral oil Nutrition 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 14
- 239000002390 adhesive tape Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 230000008961 swelling Effects 0.000 description 10
- 239000004411 aluminium Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 239000003963 antioxidant agent Substances 0.000 description 9
- 230000003078 antioxidant effect Effects 0.000 description 9
- 235000006708 antioxidants Nutrition 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 9
- 238000011049 filling Methods 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 238000007599 discharging Methods 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 description 7
- 230000032683 aging Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000010998 test method Methods 0.000 description 7
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 6
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 6
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229920001568 phenolic resin Polymers 0.000 description 5
- 239000005011 phenolic resin Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
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- 239000003208 petroleum Substances 0.000 description 4
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- 239000002023 wood Substances 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 3
- XZVDPRFYVGLYNO-UHFFFAOYSA-N C=CC1=CC=CC=C1.C=CC=C.C=C.C1=CC=CC=C1 Chemical group C=CC1=CC=CC=C1.C=CC=C.C=C.C1=CC=CC=C1 XZVDPRFYVGLYNO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229920002633 Kraton (polymer) Polymers 0.000 description 3
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
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- 150000001925 cycloalkenes Chemical class 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 150000002469 indenes Chemical class 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 3
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- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical group CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 3
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J145/00—Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
- C09J153/025—Vinyl aromatic monomers and conjugated dienes modified
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of hot melt adhesive being prepared by polyolefin resin and tackifying resin, wherein polyolefin resin can for unmodified polyolefin resin, polar functional group modification polyolefin resin, or combinations thereof.Since the electrolyte of battery is based organic solvent, there is the characteristic of good electrolyte resistance corrosion in the electrolytic solution using polyolefin-type hot melt adhesive, the initial adhesive force of hot melt adhesive and metal base is improved using tackifying resin simultaneously, and also polyolefin resin is modified by polar functional group to further enhance the cohesive force between hot melt adhesive and metal base.Furthermore, since hot melt adhesive provided by the invention is in liquid condition at 100 DEG C or more, therefore it can be bonded well with the surface of switching piece in battery during for dispensing glue, prevent electrolyte is from being eroded into inside hot melt adhesive and the contact interface of hot melt adhesive and switching plate substrate, to enhance the safety of battery.Hot melt adhesive provided by the invention can be widely used in the every field such as battery.
Description
Technical field
The present invention relates to polymeric material fields, in particular to a kind of hot melt adhesive.
Background technique
Currently, lithium ion battery, especially lithium-ion-power cell are one of most important new energy, as power electric
Pond, it is most important that safety, therefore prevent the short circuit of inside battery most important.The positive and negative anodes of inside battery are to pass through battery core
Positive and negative terminals derived from, the anode of pole piece with the anode of battery core is connected by aluminium switching piece, the cathode and battery core of pole piece
Cathode be to be connected by copper switching piece, be that connection, Laser Welding are realized by Laser Welding between switching piece and the pole of battery core
Above-mentioned corresponding metal can be linked together, but since the temperature of Laser Welding is very high and easy melts above-mentioned metal
Melt, molten metal welding slag, which is necessary to ensure that, not to be entered inside battery core, therefore maximum risk is that metallic residue will lead to battery just
Cathode direct short-circuit forms kindling or explosion so as to cause sharply generating heat.
Above-mentioned metal welding slag enters inside battery core in order to prevent, and current main scheme is to be attached to switching piece table with adhesive tape
Face, one-faced tapes used at present are usually acrylic acid or rubber type, and substrate is mainly PET, PI or PPS type, are led to
Fitting is crossed to be compounded in the concave surface of corresponding switching piece.But since the surface of current switching piece is not smooth, while weld
It is spill, adhesive tape 100% can not be fitted on switching piece, and during battery work, temperature is generally spent more than 30
More than, and electrolyte (mainly various esters solvents) can slowly immerse the glue layer of adhesive tape, and major part used at present
Adhesive tape not electrolyte resistances, in prolonged electrolyte erosion process, adhesive tape can progressively disengage switching piece, so that using
Adhesive tape protects the effect failure of switching piece welding slag.
Occur the reason of above-mentioned failure it is main there are two: 1) current adhesive tape all cannot long-term electrolyte resistance (in electrolyte
Contain various highly polar and low pole esters solvent), with the extension of time, adhesive tape progressively disengages switching piece；2) due to glue
Band is that glue is coated on substrate, and the glue on adhesive tape is solid form, is had no idea the base with switching piece in fitting process
Material accomplishes that 100% fits closely, and electrolyte still can be easier to penetrate into from the interface of fitting, especially at high temperature, electricity
It solves liquid and corrodes adhesive tape more easily by the gap at interface, adhesive tape is caused to accelerate failure.
Summary of the invention
For the problems in the relevant technologies, the present inventor studies hot melt adhesive, to provide a kind of electrolyte resistance
Corrosion and the hot melt adhesive strong with metal base cohesive force.
According to the first aspect of the invention, a kind of hot melt adhesive is provided, the hot melt adhesive is set by polyolefin resin and thickening
Rouge is prepared.
In one embodiment, the molecular weight of the polyolefin resin be≤500,0000Da, preferably≤50,
0000Da, more preferable 5,0000-10,0000Da.
In one embodiment, the polyolefin resin is polyolefin resin without polar functional group modification, through pole
The polyolefin resin of property functional group modification, or combinations thereof.
In one embodiment, the polyolefin resin through polar functional group modification be through maleic anhydride, acrylic acid,
One of hydroxyl and carboxyl or the polyolefin resin of a variety of modifications.
In one embodiment, the polyolefin resin is one or more selected from the group below: ethene-vinyl acetate
Copolymer (EVA), polypropylene (PP), polyethylene (PE), polybutadiene rubber (BR), unformed polyalphaolefin resin (APAO), third
The modified polyolefin of olefin(e) acid, poly- (ethylene-chlorinated) (ECTEE), Ethylene-Acetylene Propylene Copolymer (EEA), ethylene-the third
Alkene copolymer (EPM), ethylene propylene diene rubber (EPDM), EP rubbers (EPR), ethylene-propylene-styrene-acrylonitrile copolymer
(EPSAN), ethylene propylene terpolymer (EPT), vinyl ethyl ether (EVE), butyl rubber (IIR), different
Pentadiene rubber (IR), maleic anhydride modified polyolefin (MA-APAO), modified polypropene (M-PP), Noryl
(MPPO), modified polystyrene (MPS), styrene-methyl methacrylate resin (MS), nitrile rubber (NBR), poly- (fourth two
Alkene-acrylonitrile) (PBAN), propylene-butadiene rubber (PBR), poly- (butadiene-styrene) (PBS), styrene-ethylene-fourth two
Alkene-styrol copolymer (SEBS), styrene-isoprene-styrene block copolymer (SIS), styrene-butadiene-benzene
Ethylene block copolymer (SBS), solid butadiene-styrene rubber (SBR), styrene-maleic anhydride copolymer (SMA), synthesis of polyolefins rubber
Polyolefin copolymers after glue (SPR), syndiotactic polytyrene (SPP), polyolefin elastomer, olefin block copolymers, polymerization,
Such as ethylene acrylic acid co polymer (EAA), polyvinyl alcohol (PVA).
In one embodiment, by weight percentage, the polyolefin resin is 30%-80%, such as 30%-
70% or 50%-60%；The tackifying resin is 20%-70%, such as 30%-60% or 40%-50%.
It in one embodiment, is polyolefin resin and warp without polar functional group modification in the polyolefin resin
It is by weight percentage, described poly- without polar functional group modification when the combination of the polyolefin resin of polar functional group modification
Olefin resin and the ratio of polyolefin resin between the two through polar functional group modification are (0.5-4): 1, such as 4:1.
In one embodiment, the softening point of the hot melt adhesive 100 DEG C or more, preferably, 130 DEG C or more, more
It preferably, is 180 DEG C -250 DEG C.
According to the second aspect of the invention, a kind of application of hot melt adhesive in the battery is provided.
In one embodiment, the battery includes lithium ion battery and lithium metal battery.
The present invention provides a kind of hot melt adhesive being prepared by polyolefin resin and tackifying resin, wherein the polyene
Hydrocarbon resin be unmodified polyolefin resin, the polyolefin resin through polar functional group modification, or combinations thereof.Comprising through polarity
In the hot melt adhesive of the polyolefin resin of functional group modification, by utilizing the various polarity such as maleic anhydride, acrylic acid, hydroxyl, carboxyl
Functional group is modified polyolefin resin to enhance the characteristic of the electrolyte resistance of hot melt adhesive corrosion, and due to metal material category
In polar material, there is good hydrogen bond and chemical combination key effect between polar functional group and metal base (such as copper, aluminium), this is big
The earth improves cohesive force.Tackifying resin is added in hot melt adhesive simultaneously can be further improved the viscous of hot melt adhesive and metal base
Tie power.
Further, since glue provided by the invention is in liquid condition at 100 DEG C or more, therefore during for dispensing glue, In
Point to corresponding coat can be rapidly formed behind switching piece surface so that well with the switching piece in battery
Surface fitting to realize good protective effect, enhance battery so that electrolyte does not have gap to be directly entered inside glue
Safety.Also, welding slag can also be firmly bonded on switching piece by hot melt adhesive provided by the invention, prevent welding slag from entering weldering
Core inner has very high reliability relative to glue film now.
Moreover, there is lower dissolution rate and swelling ratio by testing hot melt adhesive of the invention, and impregnating electrolyte
Front and back have it is seldom fall off, this illustrates that described hot melt adhesive has good thermal stability and good anti-oxidant in the electrolytic solution
Reproducibility.
Hot melt adhesive provided by the invention can apply the field of batteries in such as lithium ion battery and lithium metal battery, tool
Body, in the connection that the anode of the anode and battery core that can be applied to pole piece passes through aluminium switching piece, cathode and electricity for pole piece
In connection in the connection that the cathode of core passes through copper switching piece, or for switching piece and the pole of battery core.
In addition, hot melt adhesive provided by the present invention can also be widely used in the electrolyte resistance corrosivity to hot melt adhesive,
It has certain requirements every field with the cohesive force of substrate.
Detailed description of the invention
It, below will be in embodiment in order to illustrate more clearly of the embodiment of the present invention or technical solution in the prior art
Related attached drawing is briefly described, in which:
Fig. 1 is viscosity comparison diagram of the different hot melt adhesive of embodiment according to the present invention at 180 DEG C；
Fig. 2 is the figure of the softening point test sample of embodiment according to the present invention；
Fig. 3 is the softening point comparison diagram of the different hot melt adhesive of embodiment according to the present invention；
Fig. 4 is that the removing before and after the different hot melt adhesive of embodiment according to the present invention are impregnated electrolyte 48 hours at 70 DEG C is strong
Spend comparison diagram；
Fig. 5 is the swelling ratio comparison diagram of the different hot melt adhesive of embodiment according to the present invention；
Fig. 6 is the dissolution rate comparison diagram of the different hot melt adhesive of embodiment according to the present invention；And
Fig. 7 is the dispensing figure of the copper switching piece of embodiment according to the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, embodiment of the present invention is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other embodiment obtained belongs to the model protected of the present invention
It encloses.
By test, it has been found that general glue is difficult have good cohesive force to copper switching piece and aluminium switching piece, especially
It is substantially also to have many glue from switching piece after inside battery does the high temperature ageing test for impregnating electrolyte
It falls off, in the vibration of further battery or moving process, remaining metal welding slag is it is also possible to enter inside battery core, to make
It must may cause and sharply generate heat and form kindling or explosion.Based on the above issues, inventor has carried out research repeatedly, to mention
Go out a kind of to all have good cohesive force before and after impregnating electrolyte and with good chemical stability and thermal stability
Hot melt adhesive.
Therefore, according to the first aspect of the invention, a kind of hot melt adhesive is provided, the hot melt adhesive is by polyolefin resin and increasing
Viscosity resin is prepared.
In view of the requirement of subsequent gluing process, need to control the molecular weight of the polyolefin resin in hot melt adhesive certain
In the range of, it could only in this way obtain with relatively good toughness, while there is the hot melt adhesive of good electrolyte resistance performance.
Therefore, in one embodiment, the molecular weight of the polyolefin resin be≤500,0000Da, preferably≤50,0000Da, more
It is preferred that 5,0000-10,0000Da.
Since the electrolyte of battery is based organic solvent, it can use polyolefin-type hot melt adhesive and have in the electrolytic solution
There is the characteristic of relatively good electrolyte resistance corrosion that hot melt adhesive is prepared.In one embodiment, the polyolefin resin
Be unmodified polyolefin resin, the polyolefin resin through polar functional group modification, or combinations thereof.
The polymer that " polyolefin resin without polar functional group modification " being used in the present invention refers to alkene, be by
The alpha-olefins such as ethylene, propylene, 1- butylene, 1- amylene, 1- hexene, 1- octene, 4-methyl-1-pentene and certain cycloolefins are independent
One kind thermoplastic resin obtained from polymerization or combined polymerization.
" polyolefin resin through polar functional group modification " being used in the present invention refer to through maleic anhydride, acrylic acid,
One of hydroxyl and carboxyl etc. or the polyolefin resin of a variety of modifications, it is preferable that the polyene through polar functional group modification
Hydrocarbon resin is through acrylic acid modified polyolefin resin.It, which can refer to, utilizes maleic anhydride, acrylic acid, hydroxyl and carboxyl etc.
One of or various polarity functional group to ethylene, propylene, 1- butylene, 1- amylene, 1- hexene, 1- octene, 4-methyl-1-pentene
The monomer of equal alpha-olefins and certain cycloolefins is modified and then is polymerized alone or is copolymerized again, can also refer to second first
The monomer of the alpha-olefins such as alkene, propylene, 1- butylene, 1- amylene, 1- hexene, 1- octene, 4-methyl-1-pentene and certain cycloolefins
It is polymerized alone or is recycled after being copolymerized such as one of maleic anhydride, acrylic acid, hydroxyl and carboxyl isopolarity functional group
Or a variety of polyolefin resins being modified.
In one embodiment, polyolefin resin can include but is not limited to one of following type or a variety of: second
Alkene-acetate ethylene copolymer (EVA), polypropylene (PP), polyethylene (PE), polybutadiene rubber (BR), unformed polyalphaolefin tree
Rouge (APAO), acrylic acid modified polyolefin, poly- (ethylene-chlorinated) (ECTEE), Ethylene-Acetylene Propylene Copolymer
(EEA), ethylene-propylene copolymer (EPM), ethylene propylene diene rubber (EPDM), EP rubbers (EPR), ethylene-propylene, Styrene-
Acrylonitrile copolymer (EPSAN), ethylene propylene terpolymer (EPT), vinyl ethyl ether (EVE), isobutylene-isoprene
Rubber (IIR), maleic anhydride modified polyolefin (MA-APAO), modified polypropene (M-PP), changes isoprene rubber (IR)
Property polyphenylene oxide (MPPO), modified polystyrene (MPS), styrene-methyl methacrylate resin (MS), nitrile rubber (NBR),
Poly- (butadiene-acrylonitrile) (PBAN), propylene-butadiene rubber (PBR), poly- (butadiene-styrene) (PBS), styrene-second
Alkene-butadiene-styrene copolymer (SEBS), styrene-isoprene-styrene block copolymer (SIS), styrene-fourth
Styrene block copolymer (SBS), solid butadiene-styrene rubber (SBR), styrene-maleic anhydride copolymer (SMA), synthesis
Polyolefin elastomer (SPR), syndiotactic polytyrene (SPP), polyolefin elastomer, olefin block copolymers, while there are also after polymerization
Polyolefin copolymers, such as ethylene acrylic acid co polymer (EAA), polyvinyl alcohol (PVA).The present invention is to polyolefin resin
Source is not particularly limited, the polyolefin resin well known to those skilled in the art that can be used for preparing polyolefin hot-melt it is commercially available
Commodity are used equally for the present invention.
In one embodiment, the polyolefin resin is changing through maleic anhydride with following formula (I) and formula (II)
The polyolefin (MA-APAO) of property:
Wherein, it is 1~20000 that the m value in formula (I), which is 0~100000, n value,；Or
Wherein, it is 1~100000 that the m value in formula (II), which is 0~50000, n value,.
In one embodiment, the polyolefin resin is the ethylene acrylic acid co polymer with following formula (III)
(EAA):
Wherein, it is 1~100000 that the x value in formula (III), which is 0~50000, y value,.
In one embodiment, the polyolefin resin is the unformed polyalphaolefin resin with following formula (IV)
(APAO):
Wherein, it is 1000~50000 that the m in formula (IV), which is 1~7, n,.
In one embodiment, the polyolefin resin is styrene ethylene butadiene-benzene with following formula (V)
Ethylene copolymer (SEBS):
Wherein, it is 500~50000 that the x in formula (V), which is 1~10000, y,.
In one embodiment, the polyolefin resin is the styrene-isoprene with following formula (VI)-benzene second
Alkene block copolymer (SIS):
Wherein, it is 1~50000 that the x in formula (VI), which is 1~10000, y,.
By being modified using the various polar functional groups such as maleic anhydride, acrylic acid, hydroxyl, carboxyl to polyolefin resin
Come enhance hot melt adhesive electrolyte resistance corrosion characteristic, and since metal material belongs to polar material, polar functional group and gold
Belonging to has good hydrogen bond and chemical combination key effect between substrate (such as copper, aluminium), this greatly increases prepared hot melt adhesive
Cohesive force.
As described above, thermosol of the invention further includes tackifying resin.Tackifying resin, which refers to, can be improved viscosity, especially
The small molecule compound of surface viscosity, glass transition temperature with higher, while tackifying resin can improve wettability and just
Sticky energy.Tackifying resin not only has compatibility well with said polyolefins matrix resin, while can greatly improve to gold
Belong to the caking property of substrate.
Tackifying resin may include one of natural series plastics, synthesis series plastics or a variety of.Natural series plastics
Refer to that raw material is all natural products, but is also required to the resin being prepared by techniques such as polymerizations；Synthesis series plastics refer to
The resin produced using industrial chemicals.
Natural series plastics may include one of rosin, rosin derivative, terpene resin or a variety of.Natural series tree
Rouge can be individual rosin or rosin derivative or terpene resin, be also possible to the mixing of rosin and rosin derivative, can also
To be the mixing of rosin and terpene resin, it is also possible to the mixing of rosin derivative and terpene resin, can also be rosin and pine
The mixing of fragrant derivative and terpene resin.
Rosin be earliest be used as tackifier one of natural material, from pine tree secretion natural resin, have bonding,
Sealing and the effect of other mechanicalnesses, are important industrial chemicals, are widely used in the industries such as soap, papermaking, paint, rubber.
Different according to production source, rosin can be divided into gum rosin, toll oil rosin and wood rosin.Gum rosin is by pine tree
The grease of secretion refines, and toll oil rosin is extracted from the by-product tall oil of paper industry, and wood rosin is then from pine
Extraction obtains.They are all the mono carboxylic isomers different containing the position of double bond based on rosin acid.
Due to containing double bond and carboxyl in the structure of rosin acid, there is stronger reactivity, under the conditions of light, heat, oxygen
It is unstable, show that ageing-resistant performance is bad, weatherability is bad, is easy to produce phenomena such as discoloration.Therefore, in rosin or modification
By chemically reacting the available rosin derivative on the basis of rosin.Rosin derivative may include hydrogenated rosin, discrimination
Change one of rosin, newtrex, esterified rosin, maleated rosin or a variety of.
Hydrogenated rosin is a kind of important Abietyl modified product, with antioxygen property is good, brittleness is small, thermal stability is high, face
The features such as color is shallow is widely used in the fields such as adhesive, synthetic rubber, coating, ink, papermaking, electronics, food.
Disproportionated rosin is in the presence of a catalyst, by means of the effect of inorganic acid and heat, to be oxidized a part of rosin, another
Part is reduced, that is, the resulting product of disproportionated reaction has occurred；Disproportionated rosin is dehydroabietic acid (C19H27COOH), dihydro pine
Fragrant acid (C19H31) and tetrahydrogenated rosin acid (C COOH19H33COOH mixture), molecular weight 304.
Newtrex is process with the advanced new process of sulfuric acid-zinc chloride process, have dimer content height, lighter color,
Softening point is high, do not crystallize, acid value is high, hot water solubles content is low, oil-soluble is good, lead acetate changes colour the features such as light.
Esterified rosin refers to that rosin passes through the rosin derivative that esterification obtains.
Maleated rosin is also known as maleic acid rosin ester, is commonly used to manufacture the oil-based resin paint of light color, is also used for
Prepare ink and be used as plasticizer etc..
Terpenes, which refers to, to be extracted from raw resin or pine stump wood shavings, wooden shavings, distills in resulting turpentine oil or orange peel and mention
The limonene (cinene) taken.Terpene resin is some thermoplastic block copolymers, and with color, shallow, low smell, high rigidity, height are attached
Put forth effort, the advantages that inoxidizability and thermal stability are good, compatibility and dissolubility are good, especially in EVA system, SIS system, SBS system etc.
There is excellent compatibility and weatherability and Efficient Adhesive Promotion, product is widely used in adhesive, solid, two-sided in thermosol
Adhesive tape, solvent type glue, bookbinding version, color dress, adhesive plaster, alkene adhesive plaster, brown paper stuck glue cloth, tapes labels, carpenter's glue, pressure
Quick glue, thermosol, sealant, paint and ink and other polymers modification agent etc..
Terpene resin may include one of α-terpene resin, β-terpene resin, terpene phenolic resin or a variety of groups
It closes.It can thus be seen that terpene resin can be individual α-terpene resin, β-terpene resin or terpene phenolic resin, it can also
To be α-terpene resin and the mixing of β-terpene resin, it is also possible to the mixing of α-terpene resin and terpene phenolic resin, it can also
To be the mixing of β-terpene resin and terpene phenolic resin, α-terpene resin, β-terpene resin and terpenes phenolic aldehyde tree can also be
The mixing of rouge.
α-terpene resin have cohesive force and adhesive force are balanced, color is shallow, acid and alkali-resistance, low viscosity, have excellent photostability etc. it is excellent
Point.
β-terpene resin is that one kind is soluble in organic solvent, and the chemical reagent insoluble in second alcohol and water is commonly used as solvent
Type SBS adhesive, neoprene adhesive, pressure sensitive adhesive and hot melt adhesive solvent misture.
Terpene phenolic resin is a kind of pale yellow transparent brittle solid, has cohesive force strong, nontoxic odorless, ageing-resistant, resistance to
The superperformances such as diluted acid, diluted alkaline, heat-resisting, fast light, electrical insulating property be strong.
Synthesis series plastics include Petropols, coumarone-indene resin, styrene series resin, one in condensation resin
Kind is a variety of.
Petropols are gained the name because source is petroleum derivative, it has, and acid value is low, good, water-fast, the resistance to ethyl alcohol of compatibility and
The characteristics such as chemicals-resistant have chemical stabilization to soda acid, and have the characteristics that adjusting viscosity and thermal stability are good.Petropols are general
It is not used alone, but is used together as promotor, regulator, modifying agent with other resins.Petropols are according to raw material
Difference is divided into group aliphatic resin (C5), alicyclic resin (DCPD), aromatic resin (C9), aliphatic/aromatic copolymer resins
(C5/C9) and hydrogenated petroleum resin.Hydrogenated petroleum resin includes C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin.
Coumarone-indene resin is the coal tar that is obtained by destructive distillation coal by distillable product, except obtaining after deasphalting
The component of indenes, using being obtained after cationic polymerization.Due to complicated component in coal tar, in obtained indenes component containing styrene,
The multiple compounds such as indenes, coumarone, when polymerization, often use more catalyst, to cause the color of resin deeper, pass through
Add the methods of hydrogen that can improve.
Styrene series resin is a kind of intensity height, good toughness, thermoplastics type's high molecular material easily processed into type.It is used as
Auto industry material, construction material, substitute for wood, and for safety cap processed, suitcase, apparatus shell, foamed plastics etc..
Condensation resin refers to the resin obtained by condensation reaction.
In one embodiment, the tackifying resin is solid C5 tackifying resin, liquid C5 tackifying resin, solid C9 increasing
One or more of viscosity resin, solid C6 tackifying resin and solid terpenes resin, such as two kinds, three kinds.The present invention is to increasing
The source of viscosity resin is not particularly limited, and the commercial goods of above-mentioned tackifying resin well known to those skilled in the art are used equally for this
Invention.
In one embodiment, the tackifying resin is with the bicyclic of the chemical structural formula as shown in following formula (VII)
Pentadiene DCPD resin:
In hot melt adhesive, the content of each component also has great influence to its performance.Therefore, in one embodiment,
The hot melt adhesive is prepared by the polyolefin resin and tackifying resin of following content, wherein by weight percentage, described poly-
Olefin resin is 30%-80%, such as 30%-70% or 50%-60%；The tackifying resin is 20%-70%, such as
30%-60% or 40%-50%.
It in one embodiment, is polyolefin resin and warp without polar functional group modification in the polyolefin resin
It is by weight percentage, described poly- without polar functional group modification when the combination of the polyolefin resin of polar functional group modification
Olefin resin and the ratio of polyolefin resin between the two through polar functional group modification are (0.5-4): 1, such as 4:1.
In one embodiment, the hot melt adhesive also includes auxiliary agent, such as antioxidant, viscosity modifier, plasticizer
Deng.The present invention does not limit the type of auxiliary agent specifically, and various auxiliary agents known to a person of ordinary skill in the art are at this
In the range of invention, it can need to add required auxiliary agent according to specific.
Antioxidant is mainly used for improving the thermal stability of hot melt adhesive, prevents the physical attribute of hot melt adhesive from aging occurs, and
And reduce the variation of color.In one embodiment, the antioxidant may include phenolic antioxidant, sulfur-bearing antioxidant, contain
One of phosphorus antioxidant, nitrogenous antioxidant are a variety of.Specifically, the antioxidant may include four (3,5- di-t-butyl -4-
Hydroxyl) benzenpropanoic acid pentaerythritol ester, 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol ester, phosphorous acid three (2,
4- di-tert-butyl) ester, bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, the double octadecyl of thio-2 acid,
Bis- (3,5- di-t-butyl -4- hydroxy benzenes propionyl) hydrazines, 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) -1,3,5- triazine -
The adjacent first of 2,4,6 (1H, 3H, 5H) triketones, pentaerythrite four (3- lauryl thiopropionate), 4,6- bis- (dodecylthiomethyl)
One of phenol is a variety of.
Plasticizer is mainly used for reducing the viscosity of hot melt adhesive, increases melting speed, makes it easier to the surface of wetting adherend,
Improve flexibility.In one embodiment, plasticizer can be polyisobutene, polybutene, dioctyl phthalate, adjacent benzene
One of dibutyl carboxylic acid, atoleine etc. are a variety of.
Viscosity modifier is mainly used for improving the mobility of hot melt adhesive, and in one embodiment, viscosity modifier can be with
For naphthenic mineral oil, hydrogenated butadiene polymer (PolyBD), paraffin, microwax, synthetic wax, polyethylene wax, oxidized polyethylene wax,
One of polypropylene wax, husky rope wax etc. are a variety of.In one embodiment, the viscosity modifier is naphthenic mineral
One of oil, hydrogenated butadiene polymer (PolyBD) are a variety of, for reducing the viscosity of the hot melt adhesive, reduce softening point, mention
The resistance to low temperature of the high hot melt adhesive.
Solid-state form is usually presented in hot melt adhesive of the invention at relatively low temperature, and in certain raised temperature
Under the conditions of liquid form is presented, it is administered it is possible thereby to realize using spot gluing equipment.
In one embodiment, the hot melt adhesive 100 DEG C or more, preferably, at 130 DEG C or more, it is highly preferred that In
Liquid condition is presented at 180 DEG C -250 DEG C, for example, 110 DEG C, 120 DEG C, 130 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 170 DEG C,
Liquid condition is presented at 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 230 DEG C, 240 DEG C, 250 DEG C, to guarantee that hot melt adhesive exists
Liquid condition is in when spot printing.The temperature that the dispensing mouth of spot gluing equipment during dispensing, can be controlled in this way, so that can
Hot melt adhesive to be applied on adherend with liquid condition, for example, coated in needed on switching piece area to be protected (for example, switching
Recess, side wall and the joining place on switching piece surface of piece), it, can be very since glue is liquid during for dispensing glue
It is bonded with the surface of switching piece well, so that electrolyte does not have gap to be directly entered inside glue.
According to the second aspect of the invention, a kind of method of hot melt adhesive for preparing the first aspect of the present invention is additionally provided,
The following steps are included: 1) temperature of consersion unit is increased to 100 DEG C or more, it is preferable that be increased to 130 DEG C or more, more preferably
Ground is increased to 180 DEG C -250 DEG C；2) polyolefin resin and tackifying resin are added into consersion unit, vacuumizes, and be sufficiently stirred
It is uniform to reaction.
Consersion unit as used herein can be high-temperature stirring equipment, reaction kettle or kneader, and but not limited to this.
It additionally, optionally, extraly can include step 3) after step 2) to be reacted completely to uniform clear liquid
Body, by filtering.
First aspect present invention hot melt adhesive by above-mentioned preparation method be made after, need using spot gluing equipment come pair
It is applied.It is all to be all referred to as dispensing for the point of glue, painting, the machinery equipment for spray, filling, spilling and set in industrial application
It is standby.Since glue provided by the present invention is hot melt adhesive, spot gluing equipment used in the present invention is hot melt adhesive spot gluing equipment.
Hot melt adhesive spot gluing equipment is that by ingress of air after being heated into molten condition, surface solidifies again to the cold using solid hot melt adhesive
Characteristic carries out the spot printing work of glue, mainly there is three kinds of vapour-pressure type dispensing, the dispensing of Screw Extrusion type and injection valve dispensing equipment,
All devices all must dispensing at high temperature.
Since hot melt adhesive of the invention is in liquid condition at 100 DEG C or more, by the gum outlet of hot melt adhesive spot gluing equipment
Temperature is set as 100 DEG C or more.
Further, it is also possible to according to the dispensing mouth size of the production environment different adjustment spot gluing equipment of hot melt adhesive application, such as
The dosage of required glue is adjusted according to the size of battery.Glue is not easy to spray when the internal diameter of dispensing mouth is too small, too greatly
When will lead to glue sinuous flow or glue quantity is excessive, it is therefore desirable to be adjusted according to practical condition.In some embodiment party
In case, 0~5mm is set by the internal diameter of the dispensing mouth of hot melt adhesive spot gluing equipment.
According to the third aspect of the invention we, the application of above-mentioned hot melt adhesive in the battery is additionally provided.
In one embodiment, the battery includes lithium ion battery and lithium metal battery.
In one embodiment, the hot melt adhesive passes through the company of aluminium switching piece for the anode of pole piece and the anode of battery core
In connecing, pass through in the connection of copper switching piece for the cathode of pole piece and the cathode of battery core, or for the pole of switching piece and battery core
Connection in.
According to the fourth aspect of the invention, the present invention also provides a kind of batteries, wherein the component in the battery is logical
Cross what above-mentioned hot melt adhesive bonded.
In one embodiment, the battery is lithium ion battery and lithium metal battery.
To sum up, the present invention provides a kind of hot melt adhesive being prepared by polyolefin resin and tackifying resin, wherein described
Polyolefin resin be unmodified polyolefin resin, the polyolefin resin through polar functional group modification, or combinations thereof.Including warp
In the hot melt adhesive of the polyolefin resin of polar functional group modification, by various using maleic anhydride, acrylic acid, hydroxyl, carboxyl etc.
Polar functional group is modified polyolefin resin to enhance the characteristic of the electrolyte resistance of hot melt adhesive corrosion, and due to metal material
Material belongs to polar material, has good hydrogen bond and chemical combination key effect between polar functional group and metal base (such as copper, aluminium),
This greatly increases cohesive force.Tackifying resin is added in hot melt adhesive simultaneously can be further improved hot melt adhesive and metal base
Cohesive force.
Further, since glue provided by the invention is in liquid condition at 100 DEG C or more, therefore glue point is being heated by high temperature
When gluing equipment dispensing, liquid condition is presented in hot melt adhesive of the invention, and can rapidly form after putting to switching piece surface
Corresponding coat can be bonded well with the surface of the switching piece in battery, electrolyte is made not have gap to enter in glue
Portion has very high reliability relative to glue film now, and can also enhance battery to realize good protective effect
Safety, while also may be implemented to automate, and the stability of product is made to be protected.
Moreover, there is lower dissolution rate and swelling ratio by testing hot melt adhesive of the invention, and impregnating electrolyte
Front and back have it is seldom fall off, this illustrates that described hot melt adhesive has good thermal stability and good anti-oxidant in the electrolytic solution
Reproducibility.
Hot melt adhesive provided by the invention can not only be applied to the neck of the battery in such as lithium ion battery and lithium metal battery
Domain, specifically, in the connection that the anode of the anode and battery core that can be applied to pole piece passes through aluminium switching piece, the cathode for pole piece
In connection in the connection for passing through copper switching piece with the cathode of battery core, or for switching piece and the pole of battery core.In addition, of the invention
Provided hot melt adhesive, which can also be widely used in the electrolyte resistance corrosivity to hot melt adhesive and the cohesive force of substrate, to be had centainly
It is required that every field.
Below with reference to specific embodiment to the present invention carry out specifically with detailed description.
Embodiment
Preparation example 1
The temperature of high-temperature stirring equipment is increased to 150 DEG C, styrene ethylene butadiene-benzene second is then added thereto
Alkene block copolymer (SEBS), C5 add hydrogen tackifying resin and naphthenic mineral oil (specific ingredient and its proportion are referring to table 1), take out true
Sky, and it is uniform to be stirred well to reaction.When being reacted completely to uniform clear liquid, be filtered, obtain hot melt adhesive A1 and
A2, last filling discharging.
Table 1. is used to prepare the component and its proportion of hot melt adhesive A1 and A2
| Component | Trade name | A1/wt% | A2/wt% |
| SEBS | Kraton G1657 | 30 | |
| SEBS | Kraton G1726 | 60 | |
| C5 | Henghe H5-1000 | 60 | |
| C5 | Escorez5340 | 30 | |
| Naphthenic mineral oil | Kelamayi KN4010 | 10 | 10 |
Preparation example 2
The temperature of high-temperature stirring equipment is increased to 180 DEG C, styrene-isoprene-phenylethene is then added thereto
Block copolymer (SIS), DCPD add hydrogen tackifying resin and mineral oil (specific ingredient and its proportion are referring to table 2), vacuumize, and fill
Divide stirring uniform to reaction.When being reacted completely to uniform clear liquid, it is filtered, obtains hot melt adhesive B1 and B2, finally
Filling discharging.
Table 2. is used to prepare the component and its proportion of hot melt adhesive B1 and B2
| Component | Trade name | B1/wt% | B2/wt% |
| SIS | Kraton D1165 | 30 | |
| SIS | Vector 4113N | 70 | |
| DCPD | Auspicious gloomy PRS-5120 | 60 | |
| DCPD | Cologne SU100 | 20 | |
| Mineral oil | KUKDONG LP350 | 10 | 10 |
Preparation example 3
The temperature of high-temperature stirring equipment is increased to 100 DEG C, maleic anhydride modified polyolefin (MA- is then added thereto
APAO), C5 adds hydrogen tackifying resin and mineral oil (specific ingredient and its proportion are referring to table 3), vacuumizes, and be stirred well to reaction
Uniformly.When being reacted completely to uniform clear liquid, it is filtered, obtains hot melt adhesive C1 and C2, last filling discharging.
Table 3. is used to prepare the component and its proportion of hot melt adhesive C1 and C2
| Component | Trade name | C1/wt% | C2/wt% |
| MA-APAO | AFFINITY GA1000R | 30 | 70 |
| C5 | Wingtack 98 | 60 | 20 |
| Mineral oil | KUKDONG LP350 | 10 | 10 |
Preparation example 4
The temperature of high-temperature stirring equipment is increased to 120 DEG C, MA-APAO and α-terpenes tackifying resin is then added thereto
(specific ingredient and its proportion are referring to table 4), vacuumizes, and it is uniform to be stirred well to reaction.To be reacted completely to uniformly clear
It when liquid, is filtered, obtains hot melt adhesive D1 and D2, last filling discharging.
Table 4. is used to prepare the component and its proportion of hot melt adhesive D1 and D2
| Component | Trade name | D1/wt% | D2/wt% |
| MA-APAO | AFFINITY GA1000R | 30 | 70 |
| α-terpene resin | TSR-1001 | 60 | 30 |
| Mineral oil | KUKDONG LP350 | 10 | 0 |
Preparation example 5
The temperature of high-temperature stirring equipment is increased to 200 DEG C, then thereto be added ethylene acrylic acid co polymer (EAA),
C5 adds hydrogen tackifying resin and mineral oil (specific ingredient and its proportion are referring to table 5), vacuumizes, and it is uniform to be stirred well to reaction.
When being reacted completely to uniform clear liquid, it is filtered, obtains hot melt adhesive E1 and E2, last filling discharging.
Table 5. is used to prepare the component and its proportion of hot melt adhesive E1 and E2
| Component | Trade name | E1/wt% | E2/wt% |
| EAA | Escor5070 | 80 | 30 |
| C5 | Wingtack 98 | 20 | 60 |
| Mineral oil | KUKDONG LP350 | 10 |
Preparation example 6
The temperature of high-temperature stirring equipment is increased to (180 DEG C), unformed polyalphaolefin resin is then added thereto
(APAO), C5 adds hydrogen tackifying resin and mineral oil (specific ingredient and its proportion are referring to table 6), vacuumizes, and be stirred well to anti-
It should be uniform.When being reacted completely to uniform clear liquid, it is filtered, obtains hot melt adhesive F1-F3, last filling discharging.
Table 6. is used to prepare the component and its proportion of hot melt adhesive F1-F3
| Component | Trade name | F1/wt% | F2/wt% | F3/wt% |
| APAO | TPXMX002 | 80 | 30 | 30 |
| C5 | Wingtack 98 | 20 | 70 | 60 |
| Mineral oil | KUKDONG LP350 | 10 |
Preparation example 7
The temperature of high-temperature stirring equipment is increased to 150~180 DEG C, ethylene acrylic acid co polymer is then added thereto
(EAA), unformed polyalphaolefin resin (APAO), C5 hydrogenation resin, DCPD hydrogenated resin, mineral oil and hydrogenated butadiene polymer
(PolyBD) (specific ingredient and its proportion are referring to table 7), vacuumizes, and it is uniform to be stirred well to reaction.To be reacted completely to equal
It when even clear liquid, is filtered, obtains hot melt adhesive G1-G6, last filling discharging.
Table 7. is used to prepare the component and its proportion of hot melt adhesive G1-G6
Preparation example 8
The temperature of high-temperature stirring equipment is increased to 120~160 DEG C, maleic anhydride modified polyolefin is then added thereto
(MA-APAO), unformed polyalphaolefin Resin A PAO), DCPD hydrogenated resin, C5 hydrogenation resin and mineral oil (specific ingredient and its
Proportion is referring to table 8), it vacuumizes, and it is uniform to be stirred well to reaction.When being reacted completely to uniform clear liquid, carried out
Filter, obtains hot melt adhesive H1-H6, last filling discharging.
Table 8. is used to prepare the component and its proportion of hot melt adhesive H1-H6
Effect example
Performance test:
With commercially available glue (Loctite 3542, Henkel) for control group, to control group and pass through above-mentioned preparation example 1 respectively
Viscosity, softening point, peel strength, swelling ratio, dissolution rate, the electrolyte resistance corrosivity of hot melt adhesive A~H of~8 preparations is surveyed
Examination, test method and result are as follows:
(1) viscosity test
Test method: it is 180 DEG C by hot melt adhesive viscosity BROOKFIELD DV2T temperature setting, cuts 10.5g hot melt adhesive and put
Enter in heating muff and melts.No. 27 rotors are selected, after temperature stablizes 30min, revolving speed is set, guarantee torque 20%~80%
Between.It is readable when fluctuating < 1% in viscosity data 1min.
Test result: the test result of viscosity test is shown in Fig. 1.As shown in Figure 1, the hot melt adhesive prepared by the present invention is viscous
Degree is in 1,000 range up to more than 10,000, it is seen that hot melt adhesive of the invention is qualified products.It can come by adjusting formula
The viscosity of the claimed hot melt adhesive of the application is adjusted, to adapt to the demand of different battery process.
(2) softening point is tested
Test method: hot melt adhesive is molten in annular die shown in Fig. 2, after standing 24 hours, is surveyed using softening point
Try instrument test material softening point.
Test result: test result is shown in Fig. 3.From the figure 3, it may be seen that the application wants the softening point of claimed hot melt adhesive
Between 90-160 DEG C, and the softening point of most of hot melt adhesive of the invention is both greater than 100 DEG C, only it is individual at least with competing product
(polyolefins hot melt adhesive, similarly hereinafter) is suitable.These results suggest that hot melt adhesive of the invention has good thermal stability, thus may be used
To keep higher bulk strength at high temperature, there is the ability of preferably tolerance electrolyte.
(3) peel strength test
Test method:
1. sample preparation:Using vapour-pressure type spot gluing equipment, 180 DEG C of sebific duct temperature, 200 DEG C of gum outlet temperature are set.In
Uniform gluing on the aluminium flake of 25.4mm*100mm controls glue thickness 0.1mm by Spacer.It then will other a piece of same sample ruler
Very little aluminium flake fitting.Sample is put on 85 DEG C of hot presses hot pressing 1 hour, pressure 1MPa.
2. impregnating electrolyte:Sample is put into 1L container (preferably stainless steel or PP), 100g electrolyte is poured into, it will
Container is sealed, and is put into 70 DEG C of baking ovens and takes out sample after 48 hours, is placed at room temperature for 2 hours, waits to be tested.
3. peel strength test:180 ° of peel strengths are tested using universal tensile machine.Test sensor 1KN, test speed
50mm/min.Before test immersion electrolyte and each 5 Duplicate Samples after electrolyte are impregnated, are averaged.
Test result: test result is shown in Fig. 4 and corresponding table 9.As can be seen from Table 9, competing product are impregnating electrolysis
Peel strength is 0.1N/mm after liquid, relative to having dropped 99.9% before immersion.And hot melt adhesive provided by the present invention has obviously
Advantage, high temperature impregnate electrolyte after still keep higher intensity.
9 hot melt adhesive of table impregnates the peel strength of 48 hours front and backs of electrolyte at 70 DEG C
This test is extremely crucial, if keeps higher strength relationship to battery under the electrolyte environment of high temperature
Safety.Hot melt adhesive of the invention still keeps higher intensity after high temperature impregnates electrolyte, this explanation is using the present invention
Hot melt adhesive carry out the connection of inside battery switching piece and pole piece and can further ensure that the safety of battery.
(4) swelling ratio is tested
Test method: taking glue 0.5g, is immersed in 25g electrolyte, is placed in 70 DEG C of baking ovens, and aging 48 hours.It takes out
Blob of viscose, weighing obtain M1.It calculates (M1-0.5)/0.5 and obtains swelling ratio.
Test result: test result is shown in Fig. 5.As seen from Figure 5, at 70 DEG C after aging 48 hours, competing product
Swelling ratio reaches 250%, seriously destroys the mechanical performance of glue.And hot melt adhesive holding 15%~90% of the invention is lower
Swelling ratio, therefore the bulk strength and interface binding intensity of material can be maintained well.
Swelling in the electrolyte of hot melt adhesive at high temperature can destroy the bulk strength and interface binding intensity of material.This Shen
Hot melt adhesive please keeps lower swelling ratio at high temperature, this has further absolutely proved that the hot melt adhesive has good heat steady
It is qualitative.
(5) dissolution rate is tested
Test method: taking glue 0.5g, is immersed in 25g electrolyte, is placed in 70 DEG C of baking ovens, and aging 48 hours.It weighs
The weight M2 of one weighing plate, the electrolyte for impregnating blob of viscose is poured into weighing plate, is put into 180 DEG C of baking ovens, is toasted 2 hours.
Again, weighing plate M3 is weighed.It calculates (M3-M2)/0.5 and obtains dissolution rate.
Test result: test result is shown in Fig. 6.As seen from Figure 6, competing product dissolution rate reaches 15%, and of the invention
The dissolution rate of hot melt adhesive maintains between 1%~6%, compared to for competing product have apparent advantage.
Hot melt adhesive has at high temperature to be partly dissolved in the electrolytic solution, this part holt melt glue will have a direct impact on the oxidation of battery
Reduction reaction reduces battery life.And hot melt adhesive of the invention keeps lower dissolution rate in the electrolytic solution, this further explanation
The hot melt adhesive has excellent thermal stability, can be widely applied in battery.
(6) electrolyte resistance corrosivity
Test method:
1. sample preparation:Using vapour-pressure type spot gluing equipment, 180 DEG C of sebific duct temperature, 200 DEG C of gum outlet temperature are set.In copper
With 0.4~0.6g of dispensing in aluminium connection sheet, as shown in Figure 7.Every kind of hot melt adhesive prepares 10 samples.
2. impregnating electrolyte:Sample is inverted into 1L container (preferably stainless steel or PP), 200g electrolysis is poured into
Container is sealed liquid, is put into 85 DEG C of baking ovens, and sample is taken out after 1 day, 7 days, 14 days, observes glue dropping situations.
Test result: test result shown in table 10.It can be seen from the experimental result in table 10 it is prepared by the present invention containing
After the hot melt adhesive of polyolefin resin impregnates electrolyte 1 day at 85 DEG C, the hot melt adhesive on switching piece there is no falling off,
It is substantially better than competing product；After impregnating 7 days, only hot melt adhesive A (A1 and A2) has a small amount of fall off, hence it is evident that is better than competing product；It is impregnating
After 14 days, and only hot melt adhesive A (A1 and A2), B (B1 and B2) have a small amount of fall off, hence it is evident that are better than competing product.To sum up, this hair
The hot melt adhesive containing polyolefin resin of bright preparation has excellent electrolyte resistance performance, far better than competing product.
10.85 DEG C of table are impregnated the sample number comparison that hot melt adhesive falls off on electrolyte switching piece
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of hot melt adhesive, is prepared by polyolefin resin and tackifying resin.
2. hot melt adhesive according to claim 1, wherein the molecular weight of the polyolefin resin be≤500,0000Da, it is excellent
Select≤50,0000Da, more preferable 5,0000-10,0000Da.
3. hot melt adhesive described in any one of -2 according to claim 1, wherein the polyolefin resin is without polar functional group
Modified polyolefin resin, the polyolefin resin through polar functional group modification, or combinations thereof.
4. hot melt adhesive according to claim 3, wherein the polyolefin resin through polar functional group modification is through Malaysia
One of acid anhydrides, acrylic acid, hydroxyl and carboxyl or the polyolefin resin of a variety of modifications.
5. hot melt adhesive described in any one of -4 according to claim 1, wherein the polyolefin resin is one kind selected from the group below
Or a variety of: ethylene-vinyl acetate copolymer (EVA), polypropylene (PP), polyethylene (PE), polybutadiene rubber (BR), nothing are fixed
Type polyalphaolefin resin (APAO), acrylic acid modified polyolefin, poly- (ethylene-chlorinated) (ECTEE), ethyl vinyl acetate third
Alkene copolymer (EEA), ethylene-propylene copolymer (EPM), ethylene propylene diene rubber (EPDM), EP rubbers (EPR), ethylene-the third
Alkene-styrene-acrylonitrile copolymer (EPSAN), ethylene propylene terpolymer (EPT), vinyl ethyl ether (EVE), isobutyl
Alkene-isoprene rubber (IIR), isoprene rubber (IR), maleic anhydride modified polyolefin (MA-APAO), modified poly- third
Alkene (M-PP), Noryl (MPPO), modified polystyrene (MPS), styrene-methyl methacrylate resin (MS), fourth
Nitrile rubber (NBR), poly- (butadiene-acrylonitrile) (PBAN), propylene-butadiene rubber (PBR), poly- (butadiene-styrene)
(PBS), styrene-ethylene-butadiene-styrene copolymer (SEBS), styrene-isoprene-styrene block copolymer
(SIS), Styrene-Butadiene-Styrene Block Copolymer (SBS), solid butadiene-styrene rubber (SBR), phenylethylene-maleic anhydride are total
Polymers (SMA), synthesis of polyolefins rubber (SPR), syndiotactic polytyrene (SPP), polyolefin elastomer, olefin block copolymers,
Polyolefin copolymers after polymerization, such as ethylene acrylic acid co polymer (EAA), polyvinyl alcohol (PVA).
6. hot melt adhesive according to any one of claims 1-5, wherein by weight percentage, the polyolefin resin
For 30%-80%, such as 30%-70% or 50%-60%；The tackifying resin is 20%-70%, such as 30%-60%
Or 40%-50%.
7. hot melt adhesive according to claim 1 to 6, wherein in the polyolefin resin for without polar functional
It is by weight percentage, described when the combination of the modified polyolefin resin of group and the polyolefin resin through polar functional group modification
The ratio of polyolefin resin without polar functional group modification and the polyolefin resin through polar functional group modification between the two is
(0.5-4): 1, such as 4:1.
8. hot melt adhesive described in any one of -7 according to claim 1, wherein the softening point of the hot melt adhesive 100 DEG C or more,
Preferably, at 130 DEG C or more, it is highly preferred that being 180 DEG C -250 DEG C.
9. the application of hot melt adhesive of any of claims 1-8 in the battery.
10. application according to claim 9, wherein the battery includes lithium ion battery and lithium metal battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743857.5A CN110511703B (en) | 2019-08-13 | 2019-08-13 | Hot melt adhesive and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743857.5A CN110511703B (en) | 2019-08-13 | 2019-08-13 | Hot melt adhesive and application thereof |
Publications (2)
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| CN111171754A (en) * | 2020-02-28 | 2020-05-19 | 东莞市澳中电子材料有限公司 | Soluble double-sided pressure-sensitive adhesive tape of base material for lithium battery and preparation method of soluble double-sided pressure-sensitive adhesive tape |
| CN111363498A (en) * | 2020-03-30 | 2020-07-03 | 温州市星峰新材料有限公司 | Sealing adhesive for lithium battery and preparation method thereof |
| CN111635720A (en) * | 2020-07-01 | 2020-09-08 | 深圳市鑫东邦科技有限公司 | Lithium battery electrolyte sealing glue and preparation method thereof |
| CN111978890A (en) * | 2020-07-30 | 2020-11-24 | 深圳市亿铖达工业有限公司 | Hot-melt type outdoor display screen protective adhesive and preparation method thereof |
| CN112920741A (en) * | 2021-01-29 | 2021-06-08 | 西诺瑞特新材料(上海)有限公司 | Hot melt adhesive for lapping pre-laid coiled materials and preparation method thereof |
| WO2021223115A1 (en) * | 2020-05-06 | 2021-11-11 | 河源新之源粘贴技术有限公司 | Electrolyte resistance testing method for adhesive tape |
| CN114024044A (en) * | 2021-11-05 | 2022-02-08 | 珠海冠宇电池股份有限公司 | Battery cell and battery |
| CN114163938A (en) * | 2021-12-08 | 2022-03-11 | 烟台德邦科技股份有限公司 | Substrate-free hot melt adhesive film for soft package lithium battery and preparation method and application thereof |
| CN115398702A (en) * | 2021-09-26 | 2022-11-25 | 宁德新能源科技有限公司 | Adhesive paper, electrochemical device and electronic device comprising same |
| CN115717053A (en) * | 2022-12-05 | 2023-02-28 | 芜湖徽氏新材料科技有限公司 | High-initial-adhesion corrosion-resistant flattening insulating tape, adhesive and preparation method thereof |
| CN115785833A (en) * | 2022-11-22 | 2023-03-14 | 烟台德邦科技股份有限公司 | Sealing material for hydrogen fuel cell and preparation method thereof |
| US20230087482A1 (en) * | 2021-09-22 | 2023-03-23 | Ingevity South Carolina, Llc | Amphiphilic additives as compatibilizers for rosin tackifiers in polyolefin hot-melt adhesives |
| CN115838575A (en) * | 2022-11-03 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Hot melt adhesive, preparation method thereof, secondary battery, battery module, battery pack and electric device |
| CN116179090A (en) * | 2022-11-16 | 2023-05-30 | 深圳市东升塑胶制品有限公司 | Ultrathin single-sided hot melt adhesive tape applied to lithium battery |
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| CN111171754A (en) * | 2020-02-28 | 2020-05-19 | 东莞市澳中电子材料有限公司 | Soluble double-sided pressure-sensitive adhesive tape of base material for lithium battery and preparation method of soluble double-sided pressure-sensitive adhesive tape |
| CN111171754B (en) * | 2020-02-28 | 2022-08-19 | 东莞澳中新材料科技股份有限公司 | Soluble double-sided pressure-sensitive adhesive tape of base material for lithium battery and preparation method of soluble double-sided pressure-sensitive adhesive tape |
| CN111363498A (en) * | 2020-03-30 | 2020-07-03 | 温州市星峰新材料有限公司 | Sealing adhesive for lithium battery and preparation method thereof |
| WO2021223115A1 (en) * | 2020-05-06 | 2021-11-11 | 河源新之源粘贴技术有限公司 | Electrolyte resistance testing method for adhesive tape |
| CN111635720A (en) * | 2020-07-01 | 2020-09-08 | 深圳市鑫东邦科技有限公司 | Lithium battery electrolyte sealing glue and preparation method thereof |
| CN111978890A (en) * | 2020-07-30 | 2020-11-24 | 深圳市亿铖达工业有限公司 | Hot-melt type outdoor display screen protective adhesive and preparation method thereof |
| CN112920741A (en) * | 2021-01-29 | 2021-06-08 | 西诺瑞特新材料(上海)有限公司 | Hot melt adhesive for lapping pre-laid coiled materials and preparation method thereof |
| US20230087482A1 (en) * | 2021-09-22 | 2023-03-23 | Ingevity South Carolina, Llc | Amphiphilic additives as compatibilizers for rosin tackifiers in polyolefin hot-melt adhesives |
| CN115398702A (en) * | 2021-09-26 | 2022-11-25 | 宁德新能源科技有限公司 | Adhesive paper, electrochemical device and electronic device comprising same |
| CN114024044A (en) * | 2021-11-05 | 2022-02-08 | 珠海冠宇电池股份有限公司 | Battery cell and battery |
| CN114024044B (en) * | 2021-11-05 | 2023-08-18 | 珠海冠宇电池股份有限公司 | Battery cell and battery |
| CN114163938A (en) * | 2021-12-08 | 2022-03-11 | 烟台德邦科技股份有限公司 | Substrate-free hot melt adhesive film for soft package lithium battery and preparation method and application thereof |
| CN114163938B (en) * | 2021-12-08 | 2023-09-15 | 烟台德邦科技股份有限公司 | Base material-free hot melt adhesive film for soft package lithium battery and preparation method and application thereof |
| WO2024021018A1 (en) * | 2022-07-29 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Undercoat adhesive for dry-method electrode and preparation method therefor, composite current collector, battery electrode plate, secondary battery, battery module, battery pack and electric device |
| CN115838575A (en) * | 2022-11-03 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Hot melt adhesive, preparation method thereof, secondary battery, battery module, battery pack and electric device |
| CN115838575B (en) * | 2022-11-03 | 2024-08-30 | 宁德时代新能源科技股份有限公司 | Hot melt adhesive, preparation method thereof, secondary battery, battery module, battery pack and power utilization device |
| CN116179090A (en) * | 2022-11-16 | 2023-05-30 | 深圳市东升塑胶制品有限公司 | Ultrathin single-sided hot melt adhesive tape applied to lithium battery |
| CN116179090B (en) * | 2022-11-16 | 2024-02-09 | 深圳市东升塑胶制品有限公司 | Ultrathin single-sided hot melt adhesive tape applied to lithium battery |
| CN115785833A (en) * | 2022-11-22 | 2023-03-14 | 烟台德邦科技股份有限公司 | Sealing material for hydrogen fuel cell and preparation method thereof |
| CN115785833B (en) * | 2022-11-22 | 2024-04-02 | 烟台德邦科技股份有限公司 | Sealing material for hydrogen fuel cell and preparation method thereof |
| CN115717053A (en) * | 2022-12-05 | 2023-02-28 | 芜湖徽氏新材料科技有限公司 | High-initial-adhesion corrosion-resistant flattening insulating tape, adhesive and preparation method thereof |
| CN115717053B (en) * | 2022-12-05 | 2024-05-17 | 芜湖徽氏新材料科技有限公司 | High-initial-adhesion corrosion-resistant kneading insulating tape, adhesive and preparation method thereof |
| CN116333656A (en) * | 2023-05-30 | 2023-06-27 | 拓迪新材料(苏州)有限公司 | Hot melt adhesive for pole piece edge protection, preparation method and protection method thereof |
| CN116333656B (en) * | 2023-05-30 | 2023-09-08 | 拓迪新材料(苏州)有限公司 | Hot melt adhesive for pole piece edge protection, preparation method and protection method thereof |
| CN116410678A (en) * | 2023-06-09 | 2023-07-11 | 宁德时代新能源科技股份有限公司 | Hot melt adhesive and preparation method thereof, pole piece and preparation method thereof, battery and electricity utilization device |
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