WO2021232679A1 - 液体丁苯聚合物及其制备方法和应用以及组合物和聚合物涂层和胶粘剂和交联剂 - Google Patents
液体丁苯聚合物及其制备方法和应用以及组合物和聚合物涂层和胶粘剂和交联剂 Download PDFInfo
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- WO2021232679A1 WO2021232679A1 PCT/CN2020/124453 CN2020124453W WO2021232679A1 WO 2021232679 A1 WO2021232679 A1 WO 2021232679A1 CN 2020124453 W CN2020124453 W CN 2020124453W WO 2021232679 A1 WO2021232679 A1 WO 2021232679A1
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- Prior art keywords
- butadiene polymer
- liquid styrene
- styrene
- weight
- liquid
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- 229920000642 polymer Polymers 0.000 title claims abstract description 277
- 239000007788 liquid Substances 0.000 title claims abstract description 254
- 239000000203 mixture Substances 0.000 title claims abstract description 49
- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 12
- 239000000853 adhesive Substances 0.000 title claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 11
- 239000003431 cross linking reagent Substances 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 28
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 title abstract 12
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 83
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims abstract description 59
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 242
- 239000002174 Styrene-butadiene Substances 0.000 claims description 240
- 239000011115 styrene butadiene Substances 0.000 claims description 240
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 240
- 238000000034 method Methods 0.000 claims description 57
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 55
- 238000006116 polymerization reaction Methods 0.000 claims description 52
- 239000002904 solvent Substances 0.000 claims description 31
- 238000010539 anionic addition polymerization reaction Methods 0.000 claims description 30
- -1 alkali metal alkoxide Chemical class 0.000 claims description 29
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 27
- 239000003505 polymerization initiator Substances 0.000 claims description 21
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 17
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical group [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 14
- 125000005842 heteroatom Chemical group 0.000 claims description 13
- 239000003607 modifier Substances 0.000 claims description 12
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 230000009477 glass transition Effects 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920005604 random copolymer Polymers 0.000 claims description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 4
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
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- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 claims description 3
- JKAJLDZOBJSTEW-UHFFFAOYSA-N n,n-dimethyl-1-(oxolan-2-yl)methanamine Chemical compound CN(C)CC1CCCO1 JKAJLDZOBJSTEW-UHFFFAOYSA-N 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
- 238000007363 ring formation reaction Methods 0.000 claims description 3
- CGRKYEALWSRNJS-UHFFFAOYSA-N sodium;2-methylbutan-2-olate Chemical compound [Na+].CCC(C)(C)[O-] CGRKYEALWSRNJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- 150000001340 alkali metals Chemical group 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims 1
- 125000001979 organolithium group Chemical group 0.000 claims 1
- HTMDLQGFGSQOLM-YMQJAAJZSA-N sodium (1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexan-1-olate Chemical compound [Na+].CC(C)[C@@H]1CC[C@@H](C)C[C@H]1[O-] HTMDLQGFGSQOLM-YMQJAAJZSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 18
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
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- 101710171217 30S ribosomal protein S15 Proteins 0.000 description 3
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- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 3
- 101100510299 Oryza sativa subsp. japonica KIN7A gene Proteins 0.000 description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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- 125000002960 margaryl 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])[H] 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000001421 myristyl 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])[H] 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000001196 nonadecyl 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])C([H])([H])[H] 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- QTYUSOHYEPOHLV-UHFFFAOYSA-N octa-1,3-diene Chemical compound CCCCC=CC=C QTYUSOHYEPOHLV-UHFFFAOYSA-N 0.000 description 1
- RZJRJXONCZWCBN-NJFSPNSNSA-N octadecane Chemical group CCCCCCCCCCCCCCCCC[14CH3] RZJRJXONCZWCBN-NJFSPNSNSA-N 0.000 description 1
- YTXCAJNHPVBVDJ-UHFFFAOYSA-N octadecyl propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CC YTXCAJNHPVBVDJ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000000913 palmityl 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])[H] 0.000 description 1
- 125000002958 pentadecyl 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])[H] 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000002889 tridecyl 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])[H] 0.000 description 1
- 125000002948 undecyl 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])[H] 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
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- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/06—Organic solvent
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- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/34—Monomers containing two or more unsaturated aliphatic radicals
- C08F212/36—Divinylbenzene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
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- C08F4/08—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen of alkali metals
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- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/54—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with other compounds thereof
- C08F4/56—Alkali metals being the only metals present, e.g. Alfin catalysts
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- C08K5/05—Alcohols; Metal alcoholates
- C08K5/057—Metal alcoholates
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- C08K5/00—Use of organic ingredients
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- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
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- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/527—Cyclic esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- 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
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D147/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Coating compositions based on derivatives of such polymers
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
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- C09J147/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Adhesives based on derivatives of such polymers
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- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Definitions
- the present invention relates to a liquid styrene-butadiene polymer and its preparation method and application; the present invention also relates to a composition containing the liquid styrene-butadiene polymer; the present invention further relates to a liquid styrene-butadiene polymer and the composition Of polymer coatings, adhesives and crosslinking agents.
- Liquid styrene-butadiene polymer is a viscous flowable polymer with a number average molecular weight of 500-10000. It is used in resin modifiers, plasticizers, additives, photographic materials, adhesives, water-based coatings, electrophoretic coatings, and electrical insulation. It is widely used in materials, sintering adhesives, etc.
- liquid styrene-butadiene polymer can be divided into random liquid styrene-butadiene polymer and block liquid styrene-butadiene polymer.
- Liquid styrene-butadiene polymer generally adopts anionic solution polymerization process, but the adjustment of molecular weight is heavily dependent on the amount of catalyst.
- the amount of catalyst is large and the catalyst is difficult to remove; and,
- the structure regulator used in the anionic polymerization process is very sensitive to temperature in adjusting the microstructure of the polymer.
- it is very difficult to achieve stable and controllable microstructure.
- Liquid styrene-butadiene polymer has the characteristics of low dielectric constant and low dielectric loss. It has good application prospects in the field of communication technology. However, the development of modern communication technology puts forward higher requirements on communication materials. Therefore, it is necessary to solve the problem of liquid styrene-butadiene polymer. There are technical problems in the polymer preparation process, and it is of great significance to obtain a liquid styrene-butadiene polymer with better performance to meet the rapid development of communication technology.
- the inventor of the present invention has conducted in-depth research on the anionic polymerization process of the liquid styrene-butadiene polymer.
- a polymerization method that can effectively control the microstructure of liquid styrene-butadiene polymer was developed, and the microstructure of liquid styrene-butadiene polymer was optimized to obtain a liquid styrene-butadiene polymer with improved performance.
- the coating formed by the liquid styrene-butadiene polymer exhibits improved thermal expansion properties.
- the present invention has been completed on this basis.
- the present invention provides a liquid styrene-butadiene polymer. Based on the total amount of the liquid styrene-butadiene polymer, the content of the styrene structural unit in the liquid styrene-butadiene polymer is 15%. -30% by weight, the content of butadiene structural units is 70-85% by weight, and the content of 1,2-structural units is 60-80% by weight; based on the total 1,2-structural units in the liquid styrene-butadiene polymer Based on the amount, the content of the cyclized 1,2- structural unit is 20-60% by weight.
- the present invention provides a liquid styrene-butadiene polymer, based on the total amount of 1,2-structural units in the liquid styrene-butadiene polymer, the cyclization of 1,2-structural units
- the content is 20-60% by weight, and the linear thermal expansion coefficient of the liquid styrene-butadiene polymer is 45-80 ⁇ 10 -6 m/m/°C.
- the present invention provides a method for preparing a liquid styrene-butadiene polymer, the method comprising: under anionic polymerization conditions, 1,3-butadiene and styrene and a structure regulator Contact with an anionic polymerization initiator in a polymerization solvent to obtain a polymerization reaction solution containing a styrene-butadiene polymer. The contact is carried out at a temperature of 85-130°C.
- the structure modifier contains component A and component B.
- the component A is a tertiary amine
- the component B is an alkali metal alkoxide
- the molar ratio of the component B to the component A is 0.1-0.5:1
- the polymerization solvent contains an aliphatic heterocyclic solvent.
- the present invention provides a liquid styrene-butadiene polymer prepared by the method according to the second aspect of the present invention.
- the present invention provides a composition containing a liquid styrene-butadiene polymer and at least one additive.
- the liquid styrene-butadiene polymer is the first aspect or the fourth aspect of the present invention.
- the present invention provides a polymer coating containing the liquid styrene-butadiene polymer according to the first aspect or the fourth aspect of the present invention, or the first aspect of the present invention.
- the present invention provides an adhesive comprising the liquid styrene-butadiene polymer according to the first or fourth aspect of the present invention, or the fifth aspect of the present invention combination.
- the present invention provides a crosslinking agent containing the liquid styrene-butadiene polymer according to the first or fourth aspect of the present invention, or the fifth aspect of the present invention The composition.
- the present invention provides the liquid styrene-butadiene polymer according to the first or fourth aspect of the present invention, or the composition according to the fifth aspect of the present invention as a cross-linking
- the liquid styrene-butadiene polymer according to the present invention has good performance, and the coating formed by the liquid styrene-butadiene polymer of the present invention not only has higher peel strength to the substrate, but also has improved thermal expansion performance, and has a wide range of applications in the field of communication technology. Application prospects.
- liquid styrene butadiene polymer refers to a styrene butadiene polymer having fluidity at 25°C and 1 standard atmosphere.
- styrene structural unit refers to a structural unit formed by polymerization of styrene monomer
- butadiene structural unit refers to a structural unit formed by polymerization of butadiene monomer.
- the content of styrene structural unit and butadiene structural unit in the polymer is determined by nuclear magnetic resonance spectroscopy.
- 1,2-structural unit refers to a structural unit formed by 1,2-polymerization of 1,3-butadiene, and the content of the 1,2-structural unit may also be referred to as the vinyl content.
- the content of 1,2-structural units in the polymer is determined by nuclear magnetic resonance spectroscopy.
- cyclized 1,2-structural unit means that the vinyl bonds in two adjacent 1,2-structural units form a five-membered ring.
- the specific structure is as follows:
- the content of the cyclized 1,2- structural unit in the polymer is determined by nuclear magnetic resonance spectroscopy.
- styrene block means that the structural units in the block are all derived from styrene, and the number of structural units in the block is 5 or more.
- the content of the styrene block in the polymer is determined by nuclear magnetic resonance spectroscopy.
- the specific test method of nuclear magnetic resonance spectroscopy is: using Bruker AVANCE400 superconducting nuclear magnetic resonance wave instrument ( 1 H-NMR) test, the resonance frequency of the 1 H nucleus is 300.13MHz, the spectral width is 2747.253Hz, and the pulse width The value is 5.0 ⁇ s, the data point is 16K, the sample tube diameter is 5mm, the solvent is deuterated chloroform (CDCl 3 ), the sample concentration is 15% (mg/mL), the test temperature is normal temperature (25°C), and the number of scans is 16 Second, the chemical shift of tetramethylsilane was calibrated at 0 ppm.
- the molecular weight and molecular weight distribution index (M w /M n ) are analyzed and determined by gel permeation chromatography.
- the specific test method is: the HLC-8320 gel permeation chromatograph manufactured by Tosoh Corporation of Japan, and the chromatographic column is TSKgel SuperMultiporeHZ -N, the standard column is TSKgel SuperMultiporeHZ, the solvent is chromatographic pure tetrahydrofuran (THF), and narrow-distributed polystyrene is used as the standard sample.
- the polymer sample is prepared into a tetrahydrofuran solution with a concentration of 1 mg/mL, and the injection volume is 10.00 ⁇ L.
- the flow rate is 0.35 mL/min, and the test temperature is 40.0°C.
- the dynamic viscosity of the polymer is measured with reference to the capillary method specified in GBT10247-2008, in which the Ubbelohde viscometer with size number 5 is used for measurement at a temperature of 45°C.
- the content of metal elements in the polymer is determined by plasma method.
- the specific test method is: adopting PerkinElmer (PE) company Optima 8300 full-spectrum direct reading ICP spectrometer, equipped with echelle grating and solid-state detection Detector, UV zone and visible zone dual optical path dual solid-state detector, using flat plasma technology; instrument operating parameters are as follows: high-frequency power 1300W, plasma gas flow rate 15L/min, atomizing gas flow rate 0.55L/min, auxiliary gas flow rate 0.2L/min, peristaltic pump speed 1.50mL/min, integration time 10s, plasma axial observation.
- PE PerkinElmer
- the sample preparation method is as follows: accurately weigh 2.000g of the sample in a porcelain crucible, place it in a high-temperature resistance furnace and gradually increase the temperature to 500°C, take it out after the ashing is complete, add 5mL of 10% by volume dilute nitric acid, and slowly heat it on a hot plate until it is complete Dissolve, the solution is evaporated to dryness, add 1mL concentrated nitric acid, transfer to a 50mL volumetric flask, and dilute to volume with water, while preparing a reagent blank solution.
- the glass transition temperature is measured by differential scanning calorimetry.
- the specific test method is: TA-2980DSC differential scanning calorimeter is used to measure according to the method specified in GB/T 29611-2013, and the heating rate is 20 °C/min.
- thermomechanical analysis TMA in accordance with the method specified in GB/T 36800.2-2018.
- the present invention provides a liquid styrene-butadiene polymer. Based on the total amount of the liquid styrene-butadiene polymer, the content of the styrene structural unit in the liquid styrene-butadiene polymer is 15%. -30% by weight, the content of butadiene structural units is 70-85% by weight, and the content of 1,2-structural units is 60-80% by weight; based on the total 1,2-structural units in the liquid styrene-butadiene polymer Based on the amount, the content of the cyclized 1,2- structural unit is 20-60% by weight.
- the content of the styrene structural unit in the liquid styrene-butadiene polymer is 15-30% by weight, For example, it can be: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, or 30% by weight.
- the content of the styrene structural unit in the liquid styrene-butadiene polymer is preferably 18-28% by weight, more preferably 20-26
- the content of the butadiene structural unit is preferably 72-82% by weight, more preferably 74-80% by weight.
- the content of 1,2- structural units is 60-80% by weight, for example, 60, 61 , 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 or 80% by weight.
- the content of 1,2-structural units is 65-80% by weight. More preferably, based on the total amount of the liquid styrene-butadiene polymer, the content of 1,2- structural units is 68-75% by weight.
- the content of cyclized 1,2-structural units is 20-60 % By weight, such as 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 or 60% by weight.
- the content of the cyclized 1,2- structural unit is 25-58% by weight. More preferably, based on the total amount of the liquid styrene-butadiene polymer according to the first aspect of the present invention, the content of the cyclized 1,2- structural unit is 30-55% by weight. Further preferably, based on the total amount of the liquid styrene-butadiene polymer according to the first aspect of the present invention, the content of the cyclized 1,2- structural unit is 40-50% by weight.
- the molar ratio of the cyclized 1,2-structural unit to the 1,2-structural unit is preferably 0.4-0.9:1, more preferably 0.5-0.7:1 .
- the liquid styrene-butadiene polymer according to the first aspect of the present invention is a random copolymer of 1,3-butadiene and styrene. According to the liquid styrene-butadiene polymer according to the first aspect of the present invention, the content of styrene blocks is low. Generally, in the liquid styrene-butadiene polymer according to the first aspect of the present invention, based on the total weight of the styrene-butadiene polymer, the content of the styrene block may be 0.1% by weight or less, preferably 0.05% by weight or less .
- the liquid styrene-butadiene polymer, the number average molecular weight of the liquid butadiene-styrene polymer (M n) may 2000-7000, preferably 2500-6500, more preferably 3500-4500.
- the liquid styrene-butadiene polymer according to the first aspect of the present invention not only has a molecular weight suitable for molding, but also has a narrow molecular weight distribution.
- the molecular weight distribution index (M w /M n ) of the liquid styrene-butadiene polymer according to the first aspect of the present invention may be 1-1.15, preferably 1-1.1, and more preferably 1-1.09.
- the dynamic viscosity of the liquid styrene-butadiene polymer at 45°C may be 230-700 poise (P), preferably 300-600P, more preferably 400- 500P.
- the weight content of metal elements in the liquid styrene-butadiene polymer is 200 ppm or less, preferably 100 ppm or less, It is more preferably 50 ppm or less, and still more preferably 20 ppm or less.
- the glass transition temperature (T g ) of the liquid styrene-butadiene polymer is -40°C to -10°C, preferably -30°C to -15°C.
- the present invention provides a liquid styrene-butadiene polymer, based on the total amount of 1,2-structural units in the liquid styrene-butadiene polymer, the cyclization of 1,2-structural units
- the content is 20-60% by weight
- the linear thermal expansion coefficient of the liquid styrene-butadiene polymer is 45-80 ⁇ 10 -6 m/m/°C, preferably 45-75 ⁇ 10 -6 m/m/°C, more preferably 50-70 ⁇ 10 -6 m/m/°C, more preferably 55-65 ⁇ 10 -6 m/m/°C.
- the content of the styrene structural unit in the liquid styrene-butadiene polymer is 15-30% by weight, For example, it can be: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, or 30% by weight.
- the content of the styrene structural unit in the liquid styrene-butadiene polymer is preferably 18-28% by weight, more preferably 20-26
- the content of the butadiene structural unit is preferably 72-82% by weight, more preferably 74-80% by weight.
- the content of 1,2- structural units is 60-80% by weight, for example, 60, 61 , 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 or 80% by weight.
- the content of 1,2-structural units is 65-80% by weight. More preferably, based on the total amount of the liquid styrene-butadiene polymer, the content of 1,2- structural units is 68-75% by weight.
- the content of cyclized 1,2-structural units is 20-60 % By weight, such as 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 or 60% by weight.
- the content of the cyclized 1,2- structural unit is 25-58% by weight. More preferably, based on the total amount of the liquid styrene-butadiene polymer according to the second aspect of the present invention, the content of the cyclized 1,2- structural unit is 30-55% by weight. Further preferably, based on the total amount of the liquid styrene-butadiene polymer according to the second aspect of the present invention, the content of the cyclized 1,2- structural unit is 40-50% by weight.
- the molar ratio of the cyclized 1,2-structural unit to the 1,2-structural unit is preferably 0.4-0.9:1, more preferably 0.5-0.7:1 .
- the liquid styrene-butadiene polymer according to the second aspect of the present invention is a random copolymer of 1,3-butadiene and styrene. According to the liquid styrene-butadiene polymer according to the second aspect of the present invention, the content of styrene blocks is low. Generally, in the liquid styrene-butadiene polymer according to the second aspect of the present invention, based on the total weight of the styrene-butadiene polymer, the content of the styrene block may be 0.1% by weight or less, preferably 0.05% by weight or less .
- the liquid styrene-butadiene polymer, the number average molecular weight of the liquid butadiene-styrene polymer (M n) may 2000-7000, preferably 2500-6500, more preferably 3500-4500.
- the liquid styrene-butadiene polymer according to the second aspect of the present invention not only has a molecular weight suitable for molding, but also has a narrow molecular weight distribution.
- the molecular weight distribution index (M w /M n ) of the liquid styrene butadiene polymer according to the second aspect of the present invention may be 1-1.15, preferably 1-1.1, and more preferably 1-1.09.
- the kinetic viscosity of the liquid styrene-butadiene polymer at 45°C may be 230-700P, preferably 300-600P, and more preferably 400-500P.
- the weight content of metal elements in the liquid styrene-butadiene polymer is 200 ppm or less, preferably 100 ppm or less, It is more preferably 50 ppm or less, and still more preferably 20 ppm or less.
- the glass transition temperature (T g ) of the liquid styrene-butadiene polymer is -40°C to -10°C, preferably -30°C to -15°C.
- the present invention provides a method for preparing liquid styrene-butadiene polymer, the method comprising: under anionic polymerization reaction conditions, 1,3-butadiene and styrene and structure regulator Contact with an anionic polymerization initiator in a polymerization solvent to obtain a polymerization reaction solution containing a styrene-butadiene polymer. The contact is carried out at a temperature of 85-130°C.
- the structure modifier contains component A and component B.
- the component A is one or two or more selected from tertiary amines
- the component B is one or two or more selected from alkali metal alkoxides
- the component B and the component A The molar ratio is 0.1-0.5:1
- the polymerization solvent contains an aliphatic heterocyclic solvent.
- the component A is one or two or more selected from the compounds represented by formula I.
- R 2 and R 3 are the same or different, and are each independently a C 1 -C 6 alkyl group.
- R 1 is a monovalent group represented by formula II
- n is an integer of 1-5, and may be 1, 2, 3, 4, or 5, for example.
- R 4 and R 5 are the same or different, and are each independently a hydrogen atom or a C 1 -C 6 alkyl group, preferably a hydrogen atom.
- R 6 is -NR 7 R 8 or a C 3 -C 6 oxacycloalkyl group
- R 7 and R 8 are the same or different, and each independently is a C 1 -C 6 alkyl group.
- the C 1 -C 6 alkyl group includes a C 1 -C 6 straight chain alkyl group and a C 3 -C 6 branched chain alkyl group. Specific examples thereof may include, but are not limited to: methyl, Ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, tert-pentyl, neopentyl and n-hexyl.
- the component A is N,N,N',N'-tetramethylethylenediamine and/or N,N- Dimethyltetrahydrofurfurylamine. According to the preparation method described in the third aspect of the present invention, in a particularly preferred embodiment, the component A is N,N,N',N'-tetramethylethylenediamine.
- the component B is one or two or more selected from the compounds represented by formula III.
- R 9 is C 1 -C 20 alkyl, and heteroatom-containing substituent group having a C 1 -C 20 alkyl or C 6 -C 30 aryl group, and
- M 1 is an alkali metal atom, and may be Li, Na, or K, for example, and is preferably Na.
- the C 1 -C 20 alkyl group includes a C 1 -C 20 straight chain alkyl group and a C 3 -C 20 branched chain alkyl group. Specific examples thereof may include, but are not limited to: methyl, ethyl, N-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl and its isomers, n-hexyl and its isomers, n-heptyl and its isomers, N-octyl and its isomers, n-nonyl and its isomers, n-decyl and its isomers, undecyl and its isomers, dodecyl and its isomers, tridecyl Group and its isomers, tetradecyl and its isomers, pentadecyl and its isomers, hexadecyl and its.
- the substituent in the C 1 -C 20 alkyl group having a heteroatom-containing substituent is preferably a heteroatom-containing cycloalkyl group.
- the heteroatom may include, but are not limited to, oxygen atom and sulfur atom Or nitrogen atom.
- the heteroatom in the heteroatom-containing substituent is an oxygen atom
- the heteroatom-containing substituent is an oxygen atom-containing cycloalkyl group, for example: an ethylene oxide substituent , Propylene oxide substituent, propylene oxide substituent, tetrahydrofuran substituent, or pentylene oxide substituent.
- C 6 -C 30 aryl groups may include, but are not limited to: phenyl, o-tolyl, m-tolyl, p-tolyl, o-ethylphenyl, m-ethylphenyl, p-ethylphenyl , O-tert-butylphenyl, m-tert-butylphenyl, p-tert-butylphenyl, p-dodecylphenyl, 2,4-di-n-butylphenyl, p-n-propylphenyl and 2, 4-Diethylphenyl.
- the component B is preferably one or two of sodium tetrahydrofurfuryl alcohol, sodium tert-pentoxide, sodium tert-butoxide, sodium n-hexanoxide and sodium menthol More than species.
- the molar ratio of component B to component A is 0.1-0.5:1, preferably 0.15-0.45:1, more preferably 0.2-0.4:1.
- the amount of the structure modifier can be adjusted according to the amount of monomers (ie, 1,3-butadiene and styrene) and/or anionic polymerization initiator.
- the amount of the component A may be 0.5-2 mol, preferably 0.7-1.5 mol.
- the amount of the component B may be 0.15-0.5 mol, preferably 0.2-0.4 mol.
- the anionic polymerization initiator is preferably an organic lithium initiator, more preferably an organic monolithium compound, and further preferably a compound represented by formula IV,
- R 10 is a C 1 -C 6 alkyl group, a C 3 -C 12 cycloalkyl group, a C 7 -C 14 aralkyl group, or a C 6 -C 12 aryl group.
- the C 1 -C 6 alkyl group includes a C 1 -C 6 straight chain alkyl group and a C 3 -C 6 branched chain alkyl group. Specific examples thereof may include, but are not limited to: methyl, ethyl, N-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, tert-pentyl, neopentyl and n-hexyl.
- C 3 -C 12 cycloalkyl group may include, but are not limited to: cyclopropyl, cyclopentyl, cyclohexyl, 4-methylcyclohexyl, 4-ethylcyclohexyl, 4-normal Propylcyclohexyl and 4-n-butylcyclohexyl.
- C 7 -C 14 aralkyl groups may include, but are not limited to: phenylmethyl, phenylethyl, phenyl n-propyl, phenyl n-butyl, phenyl t-butyl, Phenyl isopropyl, phenyl n-pentyl and phenyl n-butyl.
- C 6 -C 12 aryl group may include, but are not limited to: phenyl, naphthyl, 4-methylphenyl, and 4-ethylphenyl.
- specific examples of the anionic polymerization initiator may include, but are not limited to: ethyl lithium, n-propyl lithium, isopropyl lithium, n-butyl lithium, and sec-butyl lithium.
- ethyl lithium ethyl lithium
- n-propyl lithium isopropyl lithium
- n-butyl lithium isopropyl lithium
- sec-butyl lithium One or two or more of lithium, tert-butyl lithium, phenyl lithium, 2-naphthyl lithium, 4-butylphenyl lithium, 4-tolyl lithium, cyclohexyl lithium, and 4-butylcyclohexyl lithium.
- the anionic polymerization initiator is n-butyl lithium and/or sec-butyl lithium, and more preferably, the anionic polymerization initiator is n-butyl lithium.
- the amount of the anionic polymerization initiator can be selected according to the expected molecular weight of the liquid styrene-butadiene polymer.
- the amount of the anionic polymerization initiator is such that the number average molecular weight of the liquid styrene-butadiene polymer prepared is 2000-7000, preferably 2500-6500, more preferably 3500-4500.
- the method for determining the specific amount of the anionic polymerization initiator according to the expected polymer molecular weight is well known to those skilled in the art, and will not be described in detail herein.
- the polymerization solvent contains an aliphatic heterocyclic solvent.
- aliphatic heterocycle refers to a cycloalkane in which at least one carbon atom on the ring is replaced by a heteroatom.
- the heteroatom in the aliphatic heterocycle may be an oxygen atom, a nitrogen atom or a sulfur atom, and is preferably an oxygen atom.
- the polymerization solvent may be one or two or more selected from tetrahydrofuran, epoxycyclopentane, epoxycyclohexane, and 1,4-dioxane.
- the polymerization solvent can be used alone or in combination.
- the polymerization solvent is an aliphatic heterocyclic solvent, more preferably an oxacycloalkane.
- the polymerization solvent is tetrahydrofuran.
- the monomer content may be 1-20% by weight, It is preferably 1.5-15% by weight, more preferably 2-10% by weight, and still more preferably 3-8% by weight.
- the monomer content refers to the total weight percentage of 1,3-butadiene and styrene determined on the basis of the total amount of polymerization solvent, 1,3-butadiene and styrene before the polymerization reaction content.
- 1,3-butadiene and styrene are contacted with a structure modifier and an anionic polymerization initiator in a polymerization solvent at a temperature of 85-130°C to perform anion Polymerization.
- 1,3-butadiene and styrene are contacted with a structure modifier and an anionic polymerization initiator at a temperature of 85°C to 110°C, thereby performing an anionic polymerization reaction.
- 1,3-butadiene and styrene are contacted with the structure modifier at a temperature of 88°C to 100°C. It is further preferred that 1,3-butadiene and styrene are contacted with the structure modifier at a temperature of 88°C to 95°C.
- the anionic polymerization reaction can be carried out at a pressure of 0.005-1.5 MPa, more preferably at a pressure of 0.1-1 MPa, and still more preferably at a pressure of 0.2-0.6 MPa.
- all pressure refers to gauge pressure.
- the time of the polymerization reaction can be selected according to the temperature at which the polymerization reaction is carried out, and generally can be 10-60 min, preferably 20-40 min.
- the anionic polymerization reaction is performed in an atmosphere formed of an inert gas.
- the inactive gas refers to a gas that does not chemically interact with reactants, reaction products, and solvents under polymerization conditions, such as nitrogen and/or group zero element gas (such as argon).
- the preparation method may further include: removing at least part of the metal ions in the polymerization reaction mixture to obtain a purified polymerization reaction mixture.
- the polymerization reaction mixture can be washed to remove at least part of the metal ions.
- the method for removing at least part of the metal ions in the polymerization reaction mixture includes: mixing the polymerization reaction mixture with a washing liquid, separating the oil phase from the mixture, and the washing liquid It is water or an aqueous solution containing acid.
- the acid is preferably an inorganic acid, more preferably one or two or more of sulfuric acid, nitric acid, hydrochloric acid, and carbonic acid.
- carbonic acid can be formed by passing carbon dioxide gas into the mixture of the polymerization reaction mixture and water and/or adding dry ice to the polymerization reaction mixture.
- the washing liquid includes a first washing liquid and a second washing liquid
- the first washing liquid is an aqueous solution containing acid I
- the second aqueous solution is containing An aqueous solution of acid II
- the acid I is one or more of sulfuric acid, hydrochloric acid and nitric acid
- the acid II is carbonic acid.
- the method for removing at least part of the metal ions in the polymerization reaction mixture includes: The polymerization reaction mixture is mixed with the first washing liquid to obtain a first mixture, the first oil phase is separated from the first mixture, and at least part of the polymerization solvent in the first oil phase is removed to obtain a crude liquid styrene-butadiene polymer Product; in the presence of carbon dioxide, the first oil phase is mixed with water to obtain a second mixture, the second oil phase is separated from the second mixture, and at least part of the volatile in the second oil phase is removed Components to obtain a liquid styrene-butadiene polymer.
- the weight ratio of the first washing liquid to the monomers is preferably 1-5:1, more preferably 2-4: 1.
- the molar ratio of the acid I to the anionic polymerization initiator in the first washing liquid is preferably 0.1-1.5:1, more preferably 0.2-1:1, the acid I is calculated as H + ;
- the second The weight ratio of the washing liquid to the monomers (ie, 1,3-butadiene and styrene) is 1-2:1, and the molar ratio of acid II to the anionic polymerization initiator in the second washing liquid is preferably 0.1 -1.5:1, the acid II is calculated as H +.
- the various reagents used in the preparation method according to the third aspect of the present invention are preferably refined by conventional methods in the art before use to remove impurities (especially moisture) therein.
- the method for refining the reagent is well known in the art, and will not be repeated here.
- the preparation method according to the third aspect of the present invention can be implemented by batch polymerization or continuous polymerization, and is not particularly limited.
- the present invention provides a liquid styrene butadiene polymer prepared by the method according to the third aspect of the present invention.
- the liquid styrene-butadiene polymer prepared by the method described in the third aspect of the present invention not only has a high content of 1,2-structural units, but also a part of the 1,2-structural units forms a cyclic structure.
- the coating formed by using the raw material containing the liquid styrene-butadiene polymer prepared by the method according to the third aspect of the present invention shows more excellent thermal expansion performance.
- the present invention provides a composition containing a liquid styrene butadiene polymer and at least one additive, wherein the liquid styrene butadiene polymer is the first aspect of the present invention, The liquid styrene-butadiene polymer according to the second aspect or the third aspect.
- the additive may be a substance that can impart new properties to the composition and/or improve the existing properties of the composition.
- the additive contains an antioxidant.
- the antioxidant may be a conventional choice, for example, the antioxidant may be a phenolic and/or amine antioxidant.
- the antioxidant may be 4,6-dioctylthiomethyl o-cresol, tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester (Ie, antioxidant 264), tris(2,4-di-tert-butylphenyl) phosphite (ie, antioxidant 168), 3-(3,5-di-tert-butyl-4-hydroxybenzene) Base) stearyl propionate (ie, antioxidant 1076), 2,6-di-tert-butyl p-cresol, tert-butyl catechol and 2,2'-methylene-bis(4-methyl Yl-6-tert-butylphenol) one kind or two or more kinds. Relative to 100 parts by weight of the liquid styrene-butadiene polymer, the content of the antioxidant may be 0.005-2 parts by weight, preferably 0.01-1
- the present invention provides a polymer coating containing the liquid styrene butadiene polymer according to the first, second or fourth aspect of the present invention , Or the composition according to the fifth aspect of the present invention.
- the polymer coating according to the present invention not only has higher adhesion to the substrate, but also the polymer coating according to the present invention has a reduced thermal expansion coefficient and shows improved thermal expansion performance.
- the present invention provides an adhesive containing the liquid styrene-butadiene polymer according to the first, second or fourth aspect of the present invention, or the fifth aspect of the present invention.
- the present invention provides a crosslinking agent containing the liquid styrene-butadiene polymer according to the first, second or fourth aspect of the present invention, or The composition according to the fifth aspect of the present invention.
- the present invention provides the liquid styrene butadiene polymer according to the first, second or fourth aspect of the present invention, or the composition according to the fifth aspect of the present invention As a cross-linking agent, adhesive or electrical insulating material application.
- both room temperature and room temperature indicate 25 ⁇ 3°C.
- the microstructure of the polymer was measured by Bruker AVANCE400 superconducting nuclear magnetic resonance ( 1 H-NMR).
- the resonance frequency of the 1 H nucleus is 300.13 MHz
- the spectral width is 2747.253 Hz
- the pulse width is 5.0 ⁇ s
- the data point is 16K
- the diameter of the sample tube is 5mm
- the solvent is deuterated chloroform (CDCl 3 )
- the sample concentration is 15% (W/V)
- the test temperature is normal temperature
- the number of scans is 16 times, with tetramethyl
- the chemical shift of silane is calibrated at 0 ppm.
- the molecular weight and molecular weight distribution index of the polymer are determined by gel permeation chromatography.
- the gel permeation chromatography is analyzed by the HLC-8320 gel permeation chromatograph manufactured by Tosoh Corporation, and the chromatographic column is TSKgel SuperMultiporeHZ -N, the standard column is TSKgel SuperMultiporeHZ, the solvent is chromatographic pure tetrahydrofuran (THF), and narrow-distributed polystyrene is used as the standard sample.
- the polymer sample is prepared into a tetrahydrofuran solution with a mass concentration of 1mg/mL, and the injection volume is 10.00 ⁇ L , The flow rate is 0.35mL/min, and the test temperature is 40.0°C.
- the glass transition temperature of the polymer was measured with a TA-2980DSC differential scanning calorimeter according to the method specified in GB/T 29611-2013, and the heating rate was 20°C/min.
- the dynamic viscosity of the polymer at 45°C (viscosity@45°C) is measured with reference to the capillary method specified in GBT10247-2008, where a Ubbelohde viscometer with size 5 at 45°C is used Next measurement.
- Antioxidant 264, Antioxidant 168 and Antioxidant 1076 were purchased from Sinopharm Reagent Company;
- Cyclohexane purchased from Sinopharm Reagent Company, purity>99.9%, molecular weight sieve soaked for 15 days, water content is less than 5ppm (weight content);
- Styrene polymer grade, purchased from Yanshan Petrochemical
- 1,3-Butadiene polymer grade, purchased from Yanshan Petrochemical;
- N-Butyl lithium purchased from Bailingwei Reagent Company, as a 1.6 mol/L hexane solution;
- DTHFP 2,2-bis(2-tetrahydrofuranyl)propane
- Tetrahydrofurfuryl ethyl ether purchased from Bailingwei Reagent Company, analytically pure;
- TEDA N,N,N’,N’-Tetramethylethylenediamine
- STA Sodium tert-pentoxide
- SDBS Sodium dodecylbenzene sulfonate
- TFOA Sodium tetrahydrofurfuryl alcohol
- Sodium menthol (SMT) purchased from Yinuokai Reagent Company, 1.0mol/L tetrahydrofuran solution;
- THNN N,N-Dimethyltetrahydrofurfurylamine
- Sulfuric acid purchased from Bailingwei Reagent Company, with a concentration of 98% by weight, and prepared into a 20% by weight solution with water;
- Nitric acid purchased from Sinopharm Reagent Company, with a concentration of 68% by weight, and prepared into a 20% by weight solution with water.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- step (2) Add water and acid to the polymerization reaction mixture obtained in step (1) (the specific amount and acid type are listed in Table 2, and the amounts listed in Table 2 are all measured as pure compounds), and after stirring for 15 minutes, After standing for stratification, the water phase is separated, and the obtained oil phase is subjected to vacuum distillation to obtain the crude liquid polybutadiene.
- Examples 2-13 are used to illustrate the liquid styrene-butadiene polymer of the present invention and the preparation method thereof.
- Examples 2-13 used the same method as Example 1 to prepare liquid styrene-butadiene polymer, except that step (1) was reacted under the conditions shown in Table 1, and step (2) and step (3) are shown in Table 2. Under the conditions shown, the polymerization reaction mixture containing the styrene-butadiene polymer obtained in step (1) is processed to respectively obtain the composition BS2-BS13 containing the liquid styrene-butadiene polymer according to the present invention, wherein the liquid styrene-butadiene polymer The structural property parameters of the polymer are listed in Table 3.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that the amount of water in step (2) of the preparation method was 80 g to obtain the composition BS14 containing the liquid styrene-butadiene polymer according to the present invention, wherein ,
- the structural property parameters of liquid styrene-butadiene polymer are listed in Table 3.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that the amount of sulfuric acid in step (2) was 8 mmol to obtain the composition BS15 containing the liquid styrene-butadiene polymer according to the present invention.
- the structural property parameters of the benzene polymer are listed in Table 3.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that step (3) was not performed to obtain the composition BS16 containing the liquid styrene-butadiene polymer according to the present invention.
- the structural property parameters are listed in Table 3.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that the acid used in step (2) was nitric acid. Calculated by H + , the molar amount of nitric acid was the same as the molar amount of sulfuric acid in Example 1. , The composition BS17 containing the liquid styrene-butadiene polymer according to the present invention is obtained, wherein the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- This example is used to illustrate the liquid styrene-butadiene polymer of the present invention and its preparation method.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the temperature of the polymerization reaction was 85°C.
- the composition BS18 containing the liquid styrene-butadiene polymer according to the present invention was obtained, wherein the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that the polymerization temperature in step (1) was 40°C to obtain the composition DBS1 containing the liquid styrene-butadiene polymer.
- the structural property parameters are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that TMEDA was not added in step (1) to obtain the composition DBS2 containing the liquid styrene-butadiene polymer.
- TMEDA was not added in step (1) to obtain the composition DBS2 containing the liquid styrene-butadiene polymer.
- the structural properties of the liquid styrene-butadiene polymer The parameters are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that sodium tetrahydrofurfuryl alcohol was not added in step (1) to obtain the composition DBS3 containing the liquid styrene-butadiene polymer, wherein the liquid styrene-butadiene polymer
- the structural properties of the parameters are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the tetrahydrofuran was replaced with an equivalent amount of cyclohexane to obtain the composition DBS4 containing the liquid styrene-butadiene polymer, wherein the liquid
- the structural property parameters of the styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the same amount of cyclohexane was used instead of THF as the solvent, and the same amount of DTHFP was used instead of TMEDA to obtain liquid butyl-butadiene polymer.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the same amount of cyclohexane was used instead of THF as the solvent, the same amount of DTHFP was used instead of TMEDA, and THFOA was not added to obtain
- the composition DBS6 containing liquid styrene-butadiene polymer the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the same amount of cyclohexane was used instead of THF as the solvent, and the same amount of DTHFP was used instead of TMEDA, and THFOA was not added.
- the temperature was 20° C., and the composition DBS7 containing liquid styrene-butadiene polymer was obtained.
- the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the same amount of cyclohexane was used instead of THF as the solvent, the same amount of ETE was used instead of TMEDA, and the same amount of SDBS was used. Instead of THFOA, a composition DBS8 containing liquid styrene-butadiene polymer was obtained.
- the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), TMEDA was not added and the polymerization temperature was 20°C to obtain a composition DBS9 containing liquid styrene-butadiene polymer, wherein the liquid
- TMEDA was not added and the polymerization temperature was 20°C to obtain a composition DBS9 containing liquid styrene-butadiene polymer, wherein the liquid
- Table 3 The structural property parameters of the styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the amount of THFOA was 2 mmol to obtain the composition DBS10 containing the liquid styrene-butadiene polymer, wherein the liquid styrene-butadiene polymer
- the structural properties of the parameters are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the same amount of cyclohexane was used instead of THF, the same amount of ETE was used instead of TMEDA, and THFOA was not added.
- the polymerization temperature was At 50° C., a composition DBS11 containing liquid styrene-butadiene polymer was obtained, and the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- the liquid styrene-butadiene polymer was prepared by the same method as in Example 1, except that in step (1), the polymerization temperature was 70°C.
- the composition DBS12 containing liquid styrene-butadiene polymer was obtained, wherein the structural property parameters of the liquid styrene-butadiene polymer are listed in Table 3.
- Example 8 9 10 11 12 13 Types of polymerization solvents THF THF THF THF THF Polymerization solvent consumption/g 2300 2300 2300 2300 2300 2300 1,3-butadiene consumption/g 77 77 77 77 72 77 Styrene dosage/g 19 19 19 19 19 twenty four 19 Consumption of n-butyl lithium/mmol 25 25 38 16 25 25 Regulator 1 type TMEDA TMEDA TMEDA TMEDA TMEDA THNN Conditioner 1 dosage/g 3.0 3.0 4.4 1.9 3.0 3.0 2 types of regulators STA STA STA STA THFOA Conditioner 2 dosage/mmol 7.5 7.5 11.4 4.8 7.5 7.5 Polymerization temperature/°C 110 130 90 90 90 90 90 90 90 Polymerization pressure/MPa 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Polymerization time/min 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30
- the liquid styrene-butadiene polymer according to the present invention not only has a higher content of 1,2-structural units, but also a part of the 1,2-structural units forms a cyclic structure.
- the liquid styrene-butadiene polymer according to the present invention has suitable molecular weight and dynamic viscosity, and has a narrow molecular weight distribution.
- compositions BS1 to BS18 prepared in Examples 1-18 they were uniformly coated on the surface of copper foil with a coating thickness of 0.8mm, crosslinked and cured at 120°C for 2 hours, using IPC-TM-650 2.4.08C
- the peel strength is determined by the method specified in GB/T 36800.2-2018, and the linear thermal expansion coefficient is determined by thermomechanical analysis (TMA) according to the method specified in GB/T 36800.2-2018.
- TMA thermomechanical analysis
- liquid styrene-butadiene polymer according to the second aspect of the present invention can exhibit a lower coefficient of thermal expansion while maintaining a higher peel strength.
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Abstract
Description
实施例 | 8 | 9 | 10 | 11 | 12 | 13 |
聚合溶剂种类 | THF | THF | THF | THF | THF | THF |
聚合溶剂用量/g | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 |
1,3-丁二烯用量/g | 77 | 77 | 77 | 77 | 72 | 77 |
苯乙烯用量/g | 19 | 19 | 19 | 19 | 24 | 19 |
正丁基锂用量/mmol | 25 | 25 | 38 | 16 | 25 | 25 |
调节剂1种类 | TMEDA | TMEDA | TMEDA | TMEDA | TMEDA | THNN |
调节剂1用量/g | 3.0 | 3.0 | 4.4 | 1.9 | 3.0 | 3.0 |
调节剂2种类 | STA | STA | STA | STA | STA | THFOA |
调节剂2用量/mmol | 7.5 | 7.5 | 11.4 | 4.8 | 7.5 | 7.5 |
聚合反应温度/℃ | 110 | 130 | 90 | 90 | 90 | 90 |
聚合反应压力/MPa | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
聚合反应时间/min | 30 | 30 | 30 | 30 | 30 | 30 |
组合物编号 | 剥离强度(N/mm) | 线性热膨胀系数(10 -6m/m/℃) |
BS1 | 1.12 | 61.6 |
BS2 | 1.10 | 62.4 |
BS3 | 1.14 | 60.8 |
BS4 | 1.11 | 66.8 |
BS5 | 1.13 | 59.6 |
BS6 | 1.06 | 71.2 |
BS7 | 1.11 | 60.4 |
BS8 | 1.02 | 64.8 |
BS9 | 0.86 | 69.6 |
BS10 | 1.03 | 65.6 |
BS11 | 1.07 | 63.6 |
BS12 | 1.14 | 64.4 |
BS13 | 1.09 | 73.6 |
BS14 | 1.10 | 62.8 |
BS15 | 1.12 | 61.6 |
BS16 | 1.09 | 61.6 |
BS17 | 1.11 | 62.4 |
BS18 | 1.11 | 67.6 |
DBS1 | 1.17 | 97.2 |
DBS2 | 1.04 | 106.0 |
DBS3 | 0.79 | 108.8 |
DBS4 | 1.05 | 101.6 |
DBS5 | 0.94 | 115.2 |
DBS6 | 0.92 | 116.4 |
DBS7 | 1.11 | 114.0 |
DBS8 | 0.77 | 117.6 |
DBS9 | 1.14 | 113.2 |
DBS10 | 0.95 | 99.2 |
DBS11 | 1.01 | 114.8 |
DBS12 | 1.14 | 85.2 |
Claims (23)
- 一种液体丁苯聚合物,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中的苯乙烯结构单元的含量为15-30重量%,丁二烯结构单元的含量为70-85重量%,1,2-结构单元的含量为60-80重量%;以该液体丁苯聚合物中1,2-结构单元的总量为基准,环化1,2-结构单元的含量为20-60重量%。
- 根据权利要求1所述的液体丁苯聚合物,其中,以该液体丁苯聚合物中1,2-结构单元的总量为基准,环化1,2-结构单元的含量为30-55重量%,优选为40-50重量%;优选地,该液体丁苯聚合物中环化1,2-结构单元与1,2-结构单元的重量比为0.4-0.9:1,优选为0.5-0.7:1。
- 根据权利要求1或2所述的液体丁苯聚合物,其中,该液体丁苯聚合物的数均分子量为2000-7000,优选为2500-6500,更优选为3500-4500;该液体丁苯聚合物的分子量分布指数为1-1.15,优选为1-1.09。
- 根据权利要求1-3中任意一项所述的液体丁苯聚合物,其中,该液体丁苯聚合物在45℃时的动力粘度为230-700P,优选为300-600P,更优选为400-500P。
- 根据权利要求1-4中任意一项所述的液体丁苯聚合物,其中,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中1,2-结构的含量为65-80重量%,优选为68-75重量%。
- 根据权利要求1-5中任意一项所述的液体丁苯聚合物,其中,该液体丁苯聚合物为无规共聚物;优选地,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中苯乙烯嵌段的含量为0.1重量%以下,优选为0.05重量%以下;优选地,该液体丁苯聚合物的玻璃化转变温度为-40℃至-10℃,优选为-30℃至-15℃。
- 一种液体丁苯聚合物,以该液体丁苯聚合物中1,2-结构单元的总量为基准,环化1,2-结构单元的含量为20-60重量%,该液体丁苯聚合物的线性热膨胀系数为45-80×10 -6m/m/℃。
- 根据权利要求7所述的液体丁苯聚合物,其中,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中的苯乙烯结构单元的含量为15-30重量%,丁二烯结构单元的含量为70-85重量%,1,2-结构单元的含量为60-80重量%;优选地,以该液体丁苯聚合物中1,2-结构单元的总量为基准,环化1,2-结构单元的含量为30-55重量%,优选为40-50重量%;优选地,该液体丁苯聚合物中环化1,2-结构单元与1,2-结构单元的重量比为0.4-0.9:1,优选为0.5-0.7:1;优选地,该液体丁苯聚合物的数均分子量为2000-7000,优选为2500-6500,更优选为3500-4500;该液体丁苯聚合物的分子量分布指数为1-1.15,优选为1-1.09;优选地,该液体丁苯聚合物在45℃时的动力粘度为230-700P,优选为300-600P,更优选为400-500P;优选地,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中1,2-结构的含量为65-80重量%,优选为68-75重量%;优选地,该液体丁苯聚合物为无规共聚物;优选地,以该液体丁苯聚合物的总量为基准,该液体丁苯聚合物中苯乙烯嵌段的含量为0.1重量%以下,优选为0.05重量%以下;优选地,该液体丁苯聚合物的玻璃化转变温度为-40℃至-10℃,优选为-30℃至-15℃;优选地,该液体丁苯聚合物的线性热膨胀系数为45-75×10 -6m/m/℃,优选为50-70×10 -6m/m/℃,更优选为55-65×10 -6m/m/℃。
- 一种制备液体丁苯聚合物的方法,该方法包括:在阴离子聚合反应条件下,将1,3-丁二烯和苯乙烯与结构调节剂和阴离子聚合引发剂在聚合溶剂中接触,得到含有丁苯聚合物的聚合反应溶液,所述接触在85-130℃的温度下进行,所述结构调节剂含有组分A和组分B,所述组分A为叔胺,所述组分B为碱金属醇盐,所述组分B与所述组分A的摩尔比为0.1-0.5:1,所述聚合溶剂含有脂杂环溶剂。
- 根据权利要求9或10所述的方法,其中,所述组分B为选自式III所示的化合物中的一种或两种以上,R 9-O-M 1 (式III)式III中,R 9为C 1-C 20的烷基、具有含杂原子取代基的C 1-C 20的烷基、或者C 6-C 30的芳基,M 1为碱金属原子;优选地,所述含杂原子取代基为含杂原子的环烷基,所述杂原子优选为氧原子、硫原子或者氮原子,更优选为氧原子;优选地,所述组分B为四氢糠醇钠、叔戊氧基钠、叔丁氧基钠、正己醇钠和薄荷醇钠中的一种或两种以上。
- 根据权利要求9-11中任意一项所述的方法,其中,所述组分B与所述组分A的摩尔比为0.15-0.45:1,优选为0.2-0.4:1。
- 根据权利要求9-12中任意一项所述的方法,其中,相对于1摩尔阴离子聚合引发剂,所述组分B的用量为0.15-0.5摩尔。
- 根据权利要求9-13中任意一项所述的方法,其中,所述接触在88℃至100℃的温度下进行。
- 根据权利要求9-14中任意一项所述的方法,其中,所述阴离子聚合引发剂的用量使得制备的液体丁苯聚合物的数均分子量为2000-7000,优选为2500-6500,更优选 为3500-4500;优选地,所述阴离子聚合引发剂为有机锂引发剂,优选为选自式IV所示的化合物中的一种或两种以上,R 10Li (式IV)式IV中,R 10为C 1-C 6的烷基、C 3-C 12的环烷基、C 7-C 14的芳烷基或者C 6-C 12的芳基;更优选地,所述阴离子聚合引发剂为正丁基锂和/或仲丁基锂。
- 根据权利要求9-15中任意一项所述的方法,其中,所述聚合溶剂为四氢呋喃。
- 一种由权利要求9-16中任意一项所述的方法制备的液体丁苯聚合物。
- 一种组合物,该组合物含有液体丁苯聚合物以及至少一种添加剂,所述液体丁苯聚合物为权利要求1-8和17中任意一项所述的液体丁苯聚合物。
- 根据权利要求18所述的组合物,其中,所述添加剂含有抗氧剂。
- 一种聚合物涂层,该聚合物涂层含有权利要求1-8和17中任意一项所述的液体丁苯聚合物、或者权利要求18和19中任意一项所述的组合物。
- 一种胶粘剂,该胶粘剂含有权利要求1-8和17中任意一项所述的液体丁苯聚合物、或者权利要求18和19中任意一项所述的组合物。
- 一种交联剂,该交联剂含有权利要求1-8和17中任意一项所述的液体丁苯聚合物、或者权利要求18和19中任意一项所述的组合物。
- 权利要求1-8和17中任意一项所述的液体丁苯聚合物、或者权利要求18和19中任意一项所述的组合物作为交联剂、胶粘剂或电绝缘材料的用途。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4428160A1 (en) * | 2023-03-07 | 2024-09-11 | Evonik Operations GmbH | Process for preparing 1,3-butadiene copolymers |
WO2024183938A1 (en) * | 2023-03-07 | 2024-09-12 | Evonik Operations Gmbh | Process for preparing 1,3-butadiene copolymers |
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JP7494320B2 (ja) | 2024-06-03 |
US20240002569A1 (en) | 2024-01-04 |
JP2023527178A (ja) | 2023-06-27 |
CN113698536A (zh) | 2021-11-26 |
TW202144443A (zh) | 2021-12-01 |
CN113698536B (zh) | 2023-07-21 |
BR112022023644A2 (pt) | 2023-01-31 |
EP4148075A1 (en) | 2023-03-15 |
CA3184006A1 (en) | 2021-11-25 |
KR20230013134A (ko) | 2023-01-26 |
EP4148075A4 (en) | 2023-11-08 |
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