CN117567915A - Environment-friendly coating for sand paper and production method thereof - Google Patents
Environment-friendly coating for sand paper and production method thereof Download PDFInfo
- Publication number
- CN117567915A CN117567915A CN202311529617.8A CN202311529617A CN117567915A CN 117567915 A CN117567915 A CN 117567915A CN 202311529617 A CN202311529617 A CN 202311529617A CN 117567915 A CN117567915 A CN 117567915A
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- friendly
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- 238000000576 coating method Methods 0.000 title claims abstract description 119
- 239000011248 coating agent Substances 0.000 title claims abstract description 116
- 244000137852 Petrea volubilis Species 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 49
- 238000000227 grinding Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 35
- 239000004094 surface-active agent Substances 0.000 claims abstract description 27
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 25
- -1 polysiloxane Polymers 0.000 claims abstract description 25
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 24
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 13
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims description 75
- 239000003973 paint Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 27
- 229920002545 silicone oil Polymers 0.000 claims description 18
- 125000002091 cationic group Chemical group 0.000 claims description 17
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 15
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 15
- 235000021355 Stearic acid Nutrition 0.000 claims description 15
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 15
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 15
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 15
- 239000008117 stearic acid Substances 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 14
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 13
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 13
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 13
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 13
- 229920002554 vinyl polymer Polymers 0.000 claims description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 12
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 6
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical group C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 4
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 3
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 3
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- 229930003268 Vitamin C Natural products 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical group Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 239000012433 hydrogen halide Substances 0.000 claims description 3
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 235000019154 vitamin C Nutrition 0.000 claims description 3
- 239000011718 vitamin C Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 claims description 2
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 claims description 2
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims description 2
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 2
- 229910021575 Iron(II) bromide Inorganic materials 0.000 claims description 2
- DBMWVQDBKXUFSN-UHFFFAOYSA-N P(=O)(OCCO)(O)O.C(C=C)(=O)O Chemical compound P(=O)(OCCO)(O)O.C(C=C)(=O)O DBMWVQDBKXUFSN-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 claims description 2
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims description 2
- 229940063655 aluminum stearate Drugs 0.000 claims description 2
- GCTPMLUUWLLESL-UHFFFAOYSA-N benzyl prop-2-enoate Chemical compound C=CC(=O)OCC1=CC=CC=C1 GCTPMLUUWLLESL-UHFFFAOYSA-N 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 claims description 2
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 claims description 2
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 claims description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 2
- 229940046149 ferrous bromide Drugs 0.000 claims description 2
- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 claims description 2
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 claims description 2
- GYCHYNMREWYSKH-UHFFFAOYSA-L iron(ii) bromide Chemical compound [Fe+2].[Br-].[Br-] GYCHYNMREWYSKH-UHFFFAOYSA-L 0.000 claims description 2
- 229940119545 isobornyl methacrylate Drugs 0.000 claims description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- IXHZGHPQQTXOKV-UHFFFAOYSA-N methyl oxolane-2-carboxylate Chemical compound COC(=O)C1CCCO1 IXHZGHPQQTXOKV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 150000003871 sulfonates Chemical class 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 abstract description 14
- 230000005012 migration Effects 0.000 abstract description 13
- 238000013508 migration Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 7
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- 239000002994 raw material Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 13
- 238000005498 polishing Methods 0.000 description 11
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- 239000003082 abrasive agent Substances 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 8
- 150000002367 halogens Chemical class 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000001238 wet grinding Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 6
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 6
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 5
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical group [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
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- 230000007062 hydrolysis Effects 0.000 description 3
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- 238000001179 sorption measurement Methods 0.000 description 3
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
- WJGAPUXHSQQWQF-UHFFFAOYSA-N acetic acid;hydrochloride Chemical compound Cl.CC(O)=O WJGAPUXHSQQWQF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C09D151/085—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds on to polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
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- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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Abstract
The application relates to the technical field of sand paper coatings, in particular to an environment-friendly sand paper coating and a production method thereof. The environment-friendly coating for the sand paper comprises, by mass, 20-50 parts of hard stearate, 3-6 parts of an anti-adhesion agent, 8-20 parts of an organosilicon acrylic polymer, 3-10 parts of modified graphene, 4-6 parts of a dispersing agent and 50-80 parts of water; the organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction; the modified graphene is prepared by modifying nano graphene oxide by a surfactant. The organosilicon acrylic acid polymer and the modified graphene are used in a compatible mode, so that the heat conduction/heat dissipation rate of the film layer is improved, the water resistance of the film layer is enhanced, the excessively fast migration and the excessively fast falling of small molecular substances in the film layer at high temperature are reduced, the cohesive force of the film layer and the binding force between the film layer and an abrasive are enhanced, and the performances of multiple aspects are mutually enhanced, so that the abrasive paper prepared from the environment-friendly abrasive paper coating has excellent grinding amount and anti-blocking performance.
Description
Technical Field
The application relates to the technical field of sand paper coatings, in particular to an environment-friendly sand paper coating and a production method thereof.
Background
The abrasive paper is commonly called as sand skin, is a material for grinding, is prepared by bonding abrasive materials on flexible materials such as cloth, paper and the like by using sand paper coating, and is widely applied to grinding of automobiles, ship bodies and machine tools, polishing of electronic products and precision instruments and the like.
The traditional solvent type sand paper coating is not friendly to the environment, and the water-soluble coating has the problems of poor binding force between the sand paper coating and the abrasive and poor water resistance. When the sand paper adopting the water-soluble paint is used, the abrasive is easy to drop and uneven polishing is easy to occur; and in the polishing process, heat and static generated by friction lead to chip removal of the abrasive paper to be poor, the surface of the abrasive paper is easy to be blocked, the grinding efficiency and the service life of the abrasive paper are affected, and even the workpiece is burnt when serious.
Disclosure of Invention
In order to solve the problems that the existing environment-friendly sand paper coating has poor binding force with abrasive materials, the prepared sand paper is easy to block and has poor water resistance, the application provides the environment-friendly sand paper coating and a production method thereof.
In a first aspect, the present application provides a coating for an environmentally friendly coated abrasive.
The environment-friendly coating for the sand paper comprises, by mass, 20-50 parts of hard stearate, 3-6 parts of an anti-adhesion agent, 8-20 parts of an organosilicon acrylic polymer, 3-10 parts of modified graphene, 4-6 parts of a dispersing agent and 50-80 parts of water;
the organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction;
the modified graphene is prepared by modifying nano graphene oxide by a surfactant.
Through adopting above-mentioned technical scheme, adopt modified graphene and organosilicon acrylic acid polymer to match and use, promoted the abrasive grain and the anti-clogging performance of abrasive paper that adopt the environmental protection type abrasive paper of this application to prepare with coating.
The abrasive paper can generate a large amount of heat in the polishing process, the heat aggregation can lead to the reduction of the cohesive force and the enhancement of the viscosity of a coating on the surface of the abrasive paper, and the water evaporation can reduce the temperature of the surface of the abrasive paper in the wet grinding process of the abrasive paper, so that the polishing efficiency is improved; however, in the wet grinding process, the coating on the surface of the abrasive paper is subjected to the action of water and mechanical force, so that the coating is excessively fast in falling speed, and the service life of the abrasive paper is reduced.
The modified graphene is adopted in the coating for the environment-friendly abrasive paper, so that on one hand, the heat conduction rate and the heat dissipation rate of the coating formed by the coating for the environment-friendly abrasive paper are improved, and the aggregation of heat on the surface of the coating is reduced; on the other hand, the modified graphene has strong adsorption performance, reduces migration of small molecules in the environment-friendly sand paper coating forming film layer to the surface of the film layer, such as anti-adhesion agent, dispersing agent and stearic acid, and improves the water resistance and anti-blocking performance of the prepared sand paper.
The organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction; the halogen in the halogenated polysiloxane improves the cohesive force of the formed coating and the binding force between the formed coating and the abrasive, and the silicon oxygen groups in the organosilicon acrylic polymer reduce the surface energy of the film, reduce the influence of moisture on the film and the hydrolysis of the halogen, so that the prepared film has lower surface energy, water resistance, stronger cohesive force and the binding force between the formed film and the abrasive.
The organosilicon acrylic acid polymer and the modified graphene are used in a compatible mode, so that the heat conduction/heat dissipation rate of the film layer is improved, the water resistance of the film layer is enhanced, the excessively fast migration and the excessively fast falling of small molecular substances in the film layer at high temperature are reduced, the cohesive force of the film layer and the binding force between the film layer and an abrasive are enhanced, and the performances of multiple aspects are mutually enhanced, so that the abrasive paper prepared from the environment-friendly abrasive paper coating has excellent grinding amount and anti-blocking performance.
Preferably, the preparation process of the organosilicon acrylic polymer is as follows:
stirring 80-150 parts by mass of double-end vinyl silicone oil, 30-60 parts by mass of acetone and 180-230 parts by mass of hydrogen halide acetic acid solution at 65-75 ℃ for reaction for 3-4 hours, and then extracting with water, heating and evaporating to obtain halogenated polysiloxane;
mixing 100 parts by mass of carbon-carbon double bond monomer, 30-100 parts by mass of halogenated polysiloxane, 0.1-25 parts by mass of complexing agent and 1-300 parts by mass of organic solvent, freezing in an ice salt bath, heating to 50-120 ℃ under the protection of nitrogen, adding 0.1-50 parts by mass of catalyst, and stirring for reacting for 10-20 hours to prepare the organosilicon acrylic polymer;
the monomer containing carbon-carbon double bonds is at least two of methyl methacrylate, styrene, acrylonitrile, ethyl acrylate, butyl acrylate, acrylic acid, methyl acrylate, ethyl acrylate, isobutyl acrylate, hexyl acrylate, isooctyl acrylate, lauryl acrylate, benzyl acrylate, cyclohexyl acrylate, perfluoroalkyl acrylate, hydroxyethyl phosphate acrylate, isobornyl acrylate, methyl tetrahydrofuranate, methacrylic acid, methyl methacrylate, ethyl methacrylate, butyl methacrylate, isobutyl methacrylate, hexyl methacrylate, isooctyl acrylate, lauryl methacrylate, isobornyl methacrylate and cyclohexyl methacrylate.
By adopting the technical scheme, the organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction; the halogen in the halogenated polysiloxane improves the cohesive force of the formed coating and the binding force between the formed coating and the abrasive, and the silicon oxygen groups in the organosilicon acrylic polymer reduce the surface energy of the film, reduce the influence of moisture on the film and the hydrolysis of the halogen, so that the prepared film has lower surface energy, water resistance, stronger cohesive force and the binding force between the formed film and the abrasive.
Preferably, the viscosity of the double-ended vinyl silicone oil is 300 to 1500mpa.s and the amount is 40 to 60 parts by mass.
By adopting the technical scheme, the viscosity and the weight of the double-end vinyl silicone oil are optimized, and the grinding amount of the sand paper prepared by adopting the paint for the environment-friendly sand paper can be improved.
Preferably, the complexing agent is triphenylphosphine or 2, 2-bipyridine; the catalyst is cuprous bromide or ferrous bromide.
By adopting the technical scheme, the complexing agent improves the molecular weight of the organosilicon acrylic acid polymer, thereby improving the strength of the film layer formed by the paint for the environment-friendly sand paper; the catalyst improves the preparation efficiency of the organosilicon acrylic polymer.
Preferably, the preparation process of the modified graphene is as follows:
adding 10-20 parts by mass of nano graphene oxide, 4-10 parts by mass of surfactant and 8-10 parts by mass of dicyclohexylcarbodiimide into 40-60ml of DMF solvent, stirring and mixing, sequentially adding ammonia water and vitamin C, adjusting pH to 6-7, reacting for 2-5h at 60-90 ℃, washing with water, filtering, and drying under vacuum to obtain the modified nano graphene oxide.
Through adopting above-mentioned technical scheme, promote the cohesion between graphene oxide and the organosilicon acrylic acid polymer, and then promote the abrasive grain and the anti-clogging performance of abrasive paper that adopt the environmental protection type abrasive paper of this application to prepare with coating.
Preferably, the mass ratio of the surfactant is 1: (0.3-1.5) a silane coupling agent and a cationic fluorocarbon surfactant; the monomer containing carbon-carbon double bond is (0.4-0.6): (0.8-1.5): 2, acrylonitrile and ethyl acrylate.
By adopting the technical scheme, in the preparation process of the modified graphene, the cationic fluorocarbon surfactant has strong attraction with carboxyl in the organosilicon acrylic polymer, so that the agglomeration of the modified graphene is reduced, and the dispersion performance of the modified graphene is improved; the silane coupling agent improves the binding force between the modified graphene and the organosilicon acrylic polymer, and the cationic fluorocarbon surfactant is used together with the silane coupling agent, so that the grinding amount and the blocking resistance of the abrasive paper adopting the environment-friendly abrasive paper coating are further improved.
Preferably, the stearate is at least one of zinc stearate, calcium stearate, aluminum stearate and magnesium stearate; at least one of the dispersant phosphates, sulfonates and sulfates.
By adopting the technical scheme, the stearate improves the grinding efficiency of the paint for the environment-friendly sand paper; the dispersing agent improves the dispersing effect and the stability of the raw materials in the coating for the environment-friendly sand paper.
Preferably, the anti-adhesion agent is in the mass ratio of (0.3-0.8): 1 and oxidized polyethylene wax.
By adopting the technical scheme, the anti-sticking agent adopts the mass ratio of (0.5-0.8): 1 polymethyl triethoxysilane and oxidized polyethylene wax are used together, so that the grinding amount of the sand paper adopting the paint for the environment-friendly sand paper is further improved.
Preferably, the environment-friendly paint for sand paper further comprises 1-8 parts by mass of stearic acid and 2-4 parts by mass of thickener; the thickener is hydroxyethyl cellulose or hydroxyethyl cellulose ether.
By adopting the technical scheme, the hydroxyethyl cellulose and stearic acid are adopted in the paint for the environment-friendly sand paper to be used together, so that the grinding amount of the sand paper adopting the paint for the environment-friendly sand paper is further improved, and the coating falling speed is reduced.
In another aspect, the present application provides a method of producing a coating for an environmentally friendly coated abrasive of the present application.
The production method of the paint for the environment-friendly sand paper comprises the following preparation steps:
adding a dispersing agent into water, stirring and mixing, adding a stearate and an anti-adhesion agent, and stirring at a high speed for 40-60min to obtain a first mixed solution;
adding the modified graphene into an organosilicon acrylic polymer, stirring and mixing for 60-80min, and preparing a second mixed solution;
and adding the first mixed solution into the second mixed solution, stirring at a high speed for 60-90min to prepare slurry, and grinding the slurry to prepare the environment-friendly coating for the sand paper.
By adopting the technical scheme, the prepared environment-friendly sand paper coating has low VOC, excellent heat dissipation performance, adhesive force and hydrophobic performance; the sand paper prepared by the environment-friendly sand paper coating has excellent grinding effect, anti-blocking performance and water resistance.
In summary, the application has the following beneficial effects:
1. the environment-friendly coating for the sand paper comprises, by mass, 20-50 parts of hard stearate, 3-6 parts of an anti-adhesion agent, 8-20 parts of an organosilicon acrylic polymer, 3-10 parts of modified graphene, 4-6 parts of a dispersing agent and 50-80 parts of water; the organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction; the modified graphene is prepared by modifying nano graphene oxide by a surfactant;
the organosilicon acrylic acid polymer and the modified graphene are used in a compatible mode, so that the heat conduction/heat dissipation rate of the film layer is improved, the water resistance of the film layer is enhanced, the excessively fast migration and the excessively fast falling of small molecular substances in the film layer at high temperature are reduced, the cohesive force of the film layer and the binding force between the film layer and an abrasive are enhanced, and the performances of multiple aspects are mutually enhanced, so that the abrasive paper prepared from the environment-friendly abrasive paper coating has excellent grinding amount and anti-blocking performance.
1. In the application, the modified graphene is compatible with a silane coupling agent and a cationic fluorocarbon surfactant; the carbon-carbon double bond monomer in the organosilicon acrylic polymer adopts (0.4-0.6): (0.8-1.5): 2, the modified graphene is used together with the organosilicon acrylic acid polymer, so that the grinding amount and the blocking resistance of the sand paper adopting the environment-friendly sand paper coating are improved.
2. In the application, the anti-adhesion agent (the composition of polymethyl triethoxysilane and oxidized polyethylene wax), stearic acid, hydroxyethyl cellulose and modified graphene are adopted for compatibility, and the migration speed and the falling speed of the anti-adhesion agent and the stearic acid to the surface of the film layer in polishing are reduced by the modified graphene and the hydroxyethyl cellulose, so that the grinding amount and the anti-blocking performance of the abrasive paper adopting the environment-friendly abrasive paper coating are improved.
Detailed Description
Raw materials
Nanometer graphene oxide (thickness 0.6-1.2nm, diameter 0.8-2um, purity 99%), cationic fluorocarbon surfactant (model: CF-700, jinan fluoro New Material technology Co., ltd.), dihydroxy end-capped hydroxyl silicone oil (viscosity: 500 Mpa.s), double end vinyl silicone oil (viscosity: 110 Mpa.s, vinyl content 3.1%), hydrogen-containing silicone oil (hydrogen content: 1.1mmol/g, viscosity: 66 Mpa.s), quaternary ammonium salt cationic fluorocarbon surfactant (active value: 90% or more, liquid), hydroxyethyl cellulose (molar substitution: 1.8-2.0M.S, viscosity MPA.S2%20 ℃ 5 ten thousand), polyvinyl alcohol (product No. 2488, 120 mesh, executive standard GB12010-89, product grade PVA24-88L, superior).
Preparation of intermediates
Preparation example 1-1, a silicone acrylic polymer, using the starting materials as in Table 1, was prepared as follows:
s1 preparation of chlorinated polysiloxane: and (3) reacting the double-end vinyl silicone oil, acetone and a hydrogen chloride acetic acid solution (the mass percentage of hydrogen halide is 40%) for 3 hours at the temperature of 75 ℃ under the condition of stirring rotation speed of 800+/-50 r/min, extracting the product by distilled water, and then adopting a rotary evaporator to rotationally evaporate for 6+/-0.5 hours at the temperature of 85+/-5 ℃ to prepare the chlorinated polysiloxane.
S2 preparation of a organosilicon acrylic polymer: and (3) stirring and mixing a carbon-carbon double bond-containing monomer, halogenated polysiloxane (chlorinated polysiloxane prepared by adopting the step S1), a complexing agent (triphenylphosphine) and acetone, freezing in an ice salt bath, heating to 120 ℃ under the protection of nitrogen, and adding a catalyst (cuprous bromide) to react for 10 hours to prepare the organosilicon acrylic acid polymer.
Preparation examples 1-2 and 1-3, an organosilicon acrylic polymer, are different from preparation example 1-1 in the kind of raw materials, the weight of raw materials and the process parameter settings, and are shown in Table 1.
TABLE 1 list of raw material types, raw material weights and preparation Process parameter settings used in the preparation of the organosilicon acrylic polymers of preparation examples 1-2 and preparation examples 1-3
Preparation examples 1-4 to 1-7, a silicone acrylic polymer, was different from preparation example 1-1 in the viscosity and weight settings of the double-ended vinyl silicone oil, as shown in Table 2.
TABLE 2 viscosity and weight setting lists of double-ended vinyl silicone oils during preparation of preparation examples 1-4 to 1-7 and preparation examples 1-1 of organosilicon acrylic polymers
| Differentiation of | PREPARATION EXAMPLE 1-1 | Preparation examples 1 to 4 | Preparation examples 1 to 5 | Preparation examples 1 to 6 | Preparation examples 1 to 7 |
| Viscosity/mpa.s | 1500 | 1500 | 800 | 300 | 245 |
| Dosage/kg | 150 | 40 | 50 | 60 | 100 |
Preparation examples 1 to 8, a silicone acrylic polymer, differ from preparation example 1 to 1 in that a mass ratio of 1:1.5, the combination of aminopropyl triethoxysilane, vinyl trimethoxysilane, substituted equally for the chlorinated polysiloxane.
Preparation examples 1 to 9, a silicone acrylic polymer, differ from preparation example 1 to 1 in that a mass ratio of 2:1:2, the dihydroxyl terminated hydroxyl silicone oil, the double-ended vinyl silicone oil and the hydrogen-containing silicone oil are equivalent to replace chlorinated polysiloxane.
Preparation examples 1 to 10, an organosilicon acrylic polymer, differ from preparation example 1 to 1 in that monomers containing carbon-carbon double bonds are used in a mass ratio of 0.4:0.8:2, acrylonitrile and ethyl acrylate.
Preparation examples 1-11, a silicone acrylic polymer, differ from preparation example 1-1 in that monomers containing carbon-carbon double bonds were used in a mass ratio of 0.5:1.0:2, acrylonitrile and ethyl acrylate, a silicone acrylic polymer differing from preparation 1-1 in that monomers containing carbon-carbon double bonds were used in a mass ratio of 0.6:1.5:2, acrylonitrile and ethyl acrylate.
Preparation examples 1 to 13, a silicone acrylic polymer, differ from preparation example 1 to 1 in that monomers containing carbon-carbon double bonds are used in a mass ratio of 0.2:2:2, acrylonitrile and ethyl acrylate.
Preparation examples 1 to 14, a silicone acrylic polymer, differ from preparation example 1 to 1 in that monomers containing carbon-carbon double bonds were used in a mass ratio of 0.8:0.4:2, acrylonitrile and ethyl acrylate.
Preparation examples 1 to 15, an organosilicon acrylic polymer, differ from preparation example 1 to 1 in that monomers containing carbon-carbon double bonds are used in a mass ratio of 0.4:0.8:2:1, acrylonitrile and ethyl acrylate.
Preparation example 2-1, a modified graphene, adopts the raw materials shown in table 3, and the preparation process is as follows:
adding a surfactant, nano graphene oxide and dicyclohexylcarbodiimide into DMF, and stirring for 10min under the condition of stirring rotation speed of 800 r/min; then adding 3ml of ammonia water with mass fraction of 22%, stirring for 2min, adding a reducing agent vitamin C, regulating pH to 6.5+/-0.5, reacting for 5h at 60 ℃, washing with water, filtering, and drying under vacuum to obtain the modified nano graphene oxide.
Preparation examples 2-2 to 2-3, a modified graphene, are different from preparation example 2-1 in the kind of raw materials, weight of raw materials and preparation process parameter settings, and are specifically shown in table 3.
TABLE 3 list of settings of raw material types, raw material weights and preparation process parameters used in the preparation of modified graphene of preparation examples 2-1 to 2-3
Preparation example 2-4, a modified graphene, differs from preparation example 2-1 in that the surfactant is used in a mass ratio of 1:0.3 silane coupling agent kh570 and cationic fluorocarbon surfactant.
Preparation example 2-5, a modified graphene, differs from preparation example 2-1 in that the surfactant is used in a mass ratio of 1:1.5 silane coupling agent kh570 and cationic fluorocarbon surfactant.
Preparation examples 2-6, a modified graphene, are different from preparation example 2-1 in that the cationic fluorocarbon surfactant is replaced by silane coupling agent kh570 in an equivalent amount.
Preparation example 2-7, a modified graphene, differs from preparation example 2-1 in that the cationic fluorocarbon surfactant is used in the surfactant to replace the silane coupling agent kh570 in an equivalent amount.
Preparation example 2-8, a modified graphene, differs from preparation example 2-1 in that the cationic fluorocarbon surfactant is replaced by nonionic surfactant AEO-9 in equal amount.
Examples
Example 1, an environment-friendly coating for sand paper, which is prepared from the following raw materials in table 4:
preparation of the first mixed solution: adding the dispersing agent into water, and stirring for 25min under the condition that the stirring rate is 800 r/min; then adding the stearate and the anti-sticking agent, and stirring for 40min under the condition of stirring speed of 1800r/min to obtain a first mixed solution.
Preparation of a second mixed solution: adding the modified graphene, the thickener and the stearic acid into the organosilicon acrylic polymer, and stirring for 60min under the condition of stirring speed of 800r/min to obtain a second mixed solution.
Preparation of paint for environment-friendly sand paper: adding the first mixed solution into the second mixed solution, stirring for 60min under the condition of stirring rate of 2000r/min to prepare slurry, and grinding the slurry to prepare the coating for the environment-friendly sand paper.
Examples 2-3, an environmentally friendly coated abrasive coating, were different from example 1 in the weight of raw materials, the types of raw materials, and the preparation process parameters used in the preparation process, as shown in Table 4.
TABLE 4 list of raw material types, raw material weights, and preparation Process parameters used in the preparation Process of the coating for Environment-friendly abrasive paper of examples 1-3
Examples 4 to 15, an environmentally friendly coating material for coated abrasive was different from example 1 in that the silicone acrylic polymer was used in the order of preparation examples 1 to 4 to preparation examples 1 to 15.
Examples 16 to 20, an environmentally friendly coated abrasive coating, was different from example 1 in that modified graphene was used in the order of preparation examples 2 to 4 to 2 to 8.
Example 21, an environmentally friendly coated abrasive coating, was different from example 1 in that the silicone acrylic polymer of preparation examples 1-10 was used; preparation example 2-2 was used for the modified graphene.
Example 22, an environmentally friendly sandpaper coating, differs from example 1 in that the antisticking agent was used in a mass ratio of 0.5:1 and oxidized polyethylene wax.
Example 23, an environmentally friendly sandpaper coating, differs from example 1 in that the antisticking agent was used in a mass ratio of 0.8:1 and oxidized polyethylene wax.
Example 24, an environmentally friendly sandpaper coating, differs from example 1 in that the antisticking agent was used in a mass ratio of 0.3:1 and oxidized polyethylene wax.
Example 25, an environmentally friendly sandpaper coating, was distinguished from example 1 in that the oxidized polyethylene wax was replaced with an equivalent amount of polymethyltriethoxysilane.
Example 26, an environmentally friendly sandpaper coating, differs from example 1 in that stearic acid is not used.
Example 27, an environmentally friendly sandpaper coating, was distinguished from example 1 in that hydroxyethylcellulose was not used.
Example 28, an environmentally friendly sandpaper coating, was distinguished from example 1 in that hydroxyethylcellulose and stearic acid were not used.
Example 29, an environmentally friendly sandpaper coating, was distinguished from example 1 in that polyvinyl alcohol was used in place of hydroxyethyl cellulose in equal amounts.
Comparative example
Comparative example 1, an environmentally friendly sandpaper coating, differs from example 28 in that no silicone acrylic polymer was used.
Comparative example 2, an environmentally friendly sandpaper coating, was different from example 28 in that modified graphene was not used.
Comparative example 3, an environmentally friendly sandpaper coating, was different from example 28 in that modified graphene and silicone acrylic polymer were not used.
Comparative example 4, an environmentally friendly sandpaper coating, was distinguished from example 28 in that graphene oxide was used instead of modified graphene in equal amounts.
Performance test
Test 1: VOC content
The VOC content of the paints for the environment-friendly coated abrasives of examples 1 to 29 and comparative examples 1 to 4 was tested according to B/T34682-2017. Test results: the VOC content of the coatings for the environment-friendly sand papers of examples 1 to 29 and comparative examples 1 to 4 was less than 1g/L.
Test 2: grinding amount
The grinding mode adopts a wet grinding method, and sand paper is soaked in water for 2 hours and then polished. The disc water mill is used for polishing the aluminum bar, the grinding amount is the change amount of the weight of the aluminum bar before and after grinding, the grinding amount of the sand paper at the same time is larger, and the grinding efficiency is higher.
Test 3: anti-clogging property
The grinding mode adopts a wet grinding method, and sand paper is soaked in water for 2 hours and then polished. And (3) polishing the aluminum bar by using a disc water mill, and observing the blocking and falling conditions of the surface of the sand paper after polishing for 100s and 130s respectively.
Test sample: the samples of examples were prepared using the paints for environment-friendly coated abrasives comprising examples 1 to 29; the coated abrasive prepared from the coating for an environment-friendly coated abrasive comprising comparative examples 1 to 4 was used as a comparative example sample.
The preparation method of the sand paper comprises the following steps: coating primer on the pretreated substrate, then planting sand, heating and drying, then coating finish paint, and then coating environment-friendly sand paper paint of a test sample to prepare the sand paper, wherein the coating quantity of the environment-friendly sand paper paint is 50g/m 2 Cutting and shaping for standby.
Test results: the grinding amount and blocking resistance of the coated abrasives using the paints for environment-friendly coated abrasives of examples 1 to 29 and comparative examples 1 to 4 were tested and the results are shown in Table 5.
Table 5 evaluation results of grinding amount and blocking resistance of coated abrasives using the paints for environment-friendly coated abrasives of examples 1 to 29 and comparative examples 1 to 4
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As can be seen in combination with examples 1-29 and comparative examples 1-4 and with table 5,
the grinding amount and the anti-blocking performance of the sand paper adopting the paint for the environment-friendly sand paper of the examples 1-29 are superior to those of the paint for the environment-friendly sand paper of the comparative examples 1-4, which shows that the grinding amount and the anti-blocking performance of the sand paper prepared by adopting the paint for the environment-friendly sand paper of the application are improved by adopting the compatibility of the modified graphene and the organosilicon acrylic acid polymer.
The reason for this may be: the abrasive paper can generate a large amount of heat in the polishing process, the heat aggregation can lead to the reduction of the cohesive force and the enhancement of the viscosity of a coating on the surface of the abrasive paper, and the water evaporation can reduce the temperature of the surface of the abrasive paper in the wet grinding process of the abrasive paper, so that the polishing efficiency is improved; however, in the wet grinding process, the coating on the surface of the abrasive paper is subjected to the action of water and mechanical force, so that the coating is excessively fast in falling speed, and the service life of the abrasive paper is reduced.
The modified graphene is adopted in the coating for the environment-friendly abrasive paper, so that on one hand, the heat conduction rate and the heat dissipation rate of the coating formed by the coating for the environment-friendly abrasive paper are improved, and the aggregation of heat on the surface of the coating is reduced; on the other hand, the modified graphene has strong adsorption performance, reduces migration of small molecules in the environment-friendly sand paper coating forming film layer to the surface of the film layer, such as anti-adhesion agent, dispersing agent and stearic acid, and improves the water resistance and anti-blocking performance of the prepared sand paper.
The organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction; the halogen in the halogenated polysiloxane improves the cohesive force of the formed coating and the binding force between the formed coating and the abrasive, and the silicon oxygen groups in the organosilicon acrylic polymer reduce the surface energy of the film, reduce the influence of moisture on the film and the hydrolysis of the halogen, so that the prepared film has lower surface energy, water resistance, stronger cohesive force and the binding force between the formed film and the abrasive.
The organosilicon acrylic acid polymer and the modified graphene are used in a compatible mode, so that the heat conduction/heat dissipation rate of the film layer is improved, the water resistance of the film layer is enhanced, the excessively fast migration and the excessively fast falling of small molecular substances in the film layer at high temperature are reduced, the cohesive force of the film layer and the binding force between the film layer and an abrasive are enhanced, and the performances of multiple aspects are mutually enhanced, so that the abrasive paper prepared from the environment-friendly abrasive paper coating has excellent grinding amount and anti-blocking performance.
The amount of sandpaper using the coating for an environment-friendly sandpaper of examples 4 to 6 was superior to examples 1 to 3 and example 7, indicating that optimizing the viscosity and weight of the double-ended vinyl silicone oil improved the amount of sandpaper prepared using the coating for an environment-friendly sandpaper.
The reason for this may be: under the condition that the dosage of other raw materials is unchanged, the viscosity and the weight of the double-end vinyl silicone oil are adjusted, and the length and the distribution of the silicone oil chain segments in the molecular chain of the organosilicon acrylic acid polymer are adjusted, so that the silicone oil chain segments are uniformly distributed in the molecular chain of the organosilicon acrylic acid polymer, the organosilicon acrylic acid polymer has excellent adhesion performance and hydrophobic performance, a film layer formed by the environment-friendly sand paper coating and an abrasive have strong binding force, and meanwhile, the organosilicon acrylic acid polymer has excellent hydrophobic performance, the water resistance of the sand paper prepared by the environment-friendly sand paper coating is improved, and the grinding amount is further improved.
Compared with example 1, the grinding amount, the coating falling speed and the blocking condition of 130s sand paper of the paint for the environment-friendly sand paper of examples 8-9 are poorer, which shows that the organosilicon acrylic polymer formed by the polymerization reaction of the halogenated polysiloxane and the carbon-carbon double bond monomer in example 1 has strong bonding force with the abrasive and better hydrophobic property.
The reason for this may be that the halogen element with stronger polarity in the halogenated polysiloxane enhances the binding force with the abrasive and the cohesive force after the coating is formed into a film, and the silicon element is blocked in the organosilicon acrylic polymer more uniformly, so that the surface energy of the organosilicon acrylic polymer is reduced, the problem of poor water resistance of halogen in the halogenated polysiloxane is solved, and the grinding amount and the anti-blocking performance of the abrasive paper prepared by the coating for the environment-friendly abrasive paper are further improved.
The grinding amount of the coated abrasive using the environment-friendly abrasive paper coating of examples 10 to 12 was better than examples 1 to 3 and examples 13 to 15, indicating that the carbon-carbon double bond-containing monomers were used in a mass ratio of (0.4 to 0.6): (0.8-1.5): 2: the composition of acrylic acid, acrylonitrile and ethyl acrylate improves the grinding amount of the sand paper prepared by adopting the environment-friendly sand paper coating.
The reason for this may be: the carboxylic acid group in the methacrylic acid and the cationic emulsifier have stronger binding force, so that the migration of the cationic emulsifier is reduced, and the problem that the water resistance of the film layer is poor due to the fact that more gaps are formed on the film layer of the environment-friendly sand paper coating due to the migration of the emulsifier is solved; the ethyl acrylate has better adhesive force, so that the bonding force between the paint for the environment-friendly sand paper and the abrasive is improved, and the grinding amount is further improved; the acrylonitrile has stronger polarity, reduces the migration of the emulsifier and enhances the cohesive force of the film layer; the monomer containing carbon-carbon double bonds adopts acrylic acid, acrylonitrile and ethyl acrylate to be compatible with the dispersing agent and the modified graphene, so that the grinding amount of the sand paper prepared by adopting the environment-friendly sand paper coating is improved.
And when the acrylonitrile content is too much, the flexibility decreases; the compatibility effect of too little acrylic acid content and cations is poor; too little acrylonitrile content, reduced adhesion performance, reduced dispersant migration performance, more acrylic acid content, and reduced water resistance; so that the grinding amount of the sand paper prepared by adopting the environment-friendly sand paper coating is reduced.
The grinding amount, the coating falling speed and the blocking condition of the sand paper adopting the environment-friendly sand paper coating of the examples 1-3, 16-17 and 21 are superior to those of the examples 18-20 when the sand paper is polished for 130s, which shows that the grinding amount and the blocking resistance of the sand paper adopting the environment-friendly sand paper coating are improved by adopting the compatibility of the silane coupling agent and the cationic fluorocarbon surfactant in the preparation process of the modified graphene.
The reason for this may be: in the preparation process of the modified graphene, the cationic fluorocarbon surfactant has strong attraction with carboxyl in the organosilicon acrylic polymer, so that the agglomeration of the modified graphene is reduced, and the dispersion performance of the modified graphene is improved; the silane coupling agent improves the binding force between the modified graphene and the organosilicon acrylic polymer, and the cationic fluorocarbon surfactant is used together with the silane coupling agent, so that the grinding amount and the blocking resistance of the abrasive paper adopting the environment-friendly abrasive paper coating are further improved.
The amount of sandpaper using the coating for the environment-friendly sandpaper of examples 22 to 23 was better than examples 24 to 25 and examples 1 to 3, indicating that the anti-sticking agent was used in a mass ratio of (0.5 to 0.8): 1 polymethyl triethoxy silane and oxidized polyethylene wax are used together, so that the grinding amount of the sand paper adopting the paint for the environment-friendly sand paper is improved.
The reason for this may be: in the using process of the sand paper adopting the environment-friendly sand paper coating of the embodiments 22-23, the polymethyl triethoxysilane and the oxidized polyethylene wax migrate to the surface of the coating formed by the environment-friendly sand paper coating to play a role of isolating and lubricating, reduce adhesion between processing scraps and the environment-friendly sand paper coating and improve polishing efficiency; the polymethyl triethoxysilane improves the hydrophobic property of a coating formed by the coating for the environment-friendly sand paper, is compatible with the organosilicon acrylic polymer, improves the water resistance of the coating formed by the coating for the environment-friendly sand paper, and reduces the damage of wet grinding to the coating formed by the coating for the environment-friendly sand paper; oxidized polyethylene wax helps to reduce the surface temperature of the film; oxidized polyethylene wax and polymethyl triethoxysilane are used together, so that the grinding amount of the sand paper adopting the environment-friendly sand paper coating is improved.
The grinding amount and the coating falling speed of the abrasive paper adopting the coating for the environment-friendly abrasive paper of the examples 1-3 are superior to those of the examples 26-29, which shows that the grinding amount and the coating falling speed of the abrasive paper adopting the coating for the environment-friendly abrasive paper are further improved by adopting the compatibility of hydroxyethyl cellulose and stearic acid in the coating for the environment-friendly abrasive paper.
The reason for this may be: the stearic acid with low melting point not only promotes the dispersion of raw materials in the coating for the environment-friendly sand paper, but also absorbs heat and melts the stearic acid in the polishing process, so that the heat in the coating of the sand paper is reduced, and the problem that the coating falls off due to the fact that the temperature of the surface of the sand paper is too high and the cohesive force is reduced is solved; hydroxyethyl cellulose is used as a thickening agent and has good adhesion and adsorption effects, and is used together with modified graphene, so that the migration speed of small molecular stearic acid to the surface of a film layer and the falling-off amount along with the falling-off of the surface of the film layer at a higher temperature during polishing are reduced, the problem that the migration speed of stearic acid is too fast and falls off too fast during polishing is solved, the temperature rising rate of the film layer is reduced, the grinding amount of sand paper is increased, and the falling-off speed of a coating is reduced.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. The environment-friendly coating for the sand paper is characterized by comprising, by mass, 20-50 parts of hard stearate, 3-6 parts of an anti-adhesion agent, 8-20 parts of an organosilicon acrylic polymer, 3-10 parts of modified graphene, 4-6 parts of a dispersing agent and 50-80 parts of water;
the organosilicon acrylic polymer is prepared by adopting halogenated polysiloxane and monomer containing carbon-carbon double bond to carry out polymerization reaction;
the modified graphene is prepared by modifying nano graphene oxide by a surfactant.
2. The coating for an environment-friendly abrasive paper as claimed in claim 1, wherein the preparation process of the organosilicon acrylic polymer is as follows:
stirring 80-150 parts by mass of double-end vinyl silicone oil, 30-60 parts by mass of acetone and 180-230 parts by mass of hydrogen halide acetic acid solution at 65-75 ℃ for reaction for 3-4 hours, and then extracting with water, heating and evaporating to obtain halogenated polysiloxane;
mixing 100 parts by mass of carbon-carbon double bond monomer, 30-100 parts by mass of halogenated polysiloxane, 0.1-25 parts by mass of complexing agent and 1-300 parts by mass of organic solvent, freezing in an ice salt bath, heating to 50-120 ℃ under the protection of nitrogen, adding 0.1-50 parts by mass of catalyst, and stirring for reacting for 10-20 hours to prepare the organosilicon acrylic polymer;
the monomer containing carbon-carbon double bonds is at least two of methyl methacrylate, styrene, acrylonitrile, ethyl acrylate, butyl acrylate, acrylic acid, methyl acrylate, ethyl acrylate, isobutyl acrylate, hexyl acrylate, isooctyl acrylate, lauryl acrylate, benzyl acrylate, cyclohexyl acrylate, perfluoroalkyl acrylate, hydroxyethyl phosphate acrylate, isobornyl acrylate, methyl tetrahydrofuranate, methacrylic acid, methyl methacrylate, ethyl methacrylate, butyl methacrylate, isobutyl methacrylate, hexyl methacrylate, isooctyl acrylate, lauryl methacrylate, isobornyl methacrylate and cyclohexyl methacrylate.
3. An environmentally friendly paint for coated abrasive according to claim 2, wherein the viscosity of the double-ended vinyl silicone oil is 300 to 1500mpa.s and the amount is 40 to 60 parts by mass.
4. An environmentally friendly paint for coated abrasive according to claim 2, wherein the complexing agent is triphenylphosphine or 2, 2-bipyridine; the catalyst is cuprous bromide or ferrous bromide.
5. The paint for environment-friendly sand paper as claimed in claim 1, wherein the preparation process of the modified graphene is as follows:
adding 10-20 parts by mass of nano graphene oxide, 4-10 parts by mass of surfactant and 8-10 parts by mass of dicyclohexylcarbodiimide into 40-60ml of DMF solvent, stirring and mixing, sequentially adding ammonia water and vitamin C, adjusting pH to 6-7, reacting for 2-5h at 60-90 ℃, washing with water, filtering, and drying under vacuum to obtain the modified nano graphene oxide.
6. An environmentally friendly paint for coated abrasive according to claim 5, wherein the surfactant has a mass ratio of 1: (0.3-1.5) a silane coupling agent and a cationic fluorocarbon surfactant; the monomer containing carbon-carbon double bond is (0.4-0.6): (0.8-1.5): 2, acrylonitrile and ethyl acrylate.
7. An environmentally friendly paint for coated abrasive according to claim 1, wherein the stearate is at least one of zinc stearate, calcium stearate, aluminum stearate and magnesium stearate; at least one of the dispersant phosphates, sulfonates and sulfates.
8. The paint for environment-friendly sand paper as claimed in claim 1, wherein the anti-sticking agent is (0.3-0.8) in mass ratio: 1 and oxidized polyethylene wax.
9. An environmentally friendly paint for coated abrasive according to claim 1, further comprising 1 to 8 parts by mass of stearic acid and 2 to 4 parts by mass of a thickener; the thickener is hydroxyethyl cellulose or hydroxyethyl cellulose ether.
10. A process for producing the coating for an environment-friendly coated abrasive according to any one of claims 1 to 9, comprising the following steps:
adding a dispersing agent into water, stirring and mixing, adding a stearate and an anti-adhesion agent, and stirring at a high speed for 40-60min to obtain a first mixed solution;
adding the modified graphene into an organosilicon acrylic polymer, stirring and mixing for 60-80min, and preparing a second mixed solution;
and adding the first mixed solution into the second mixed solution, stirring at a high speed for 60-90min to prepare slurry, and grinding the slurry to prepare the environment-friendly coating for the sand paper.
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| CN202311529617.8A CN117567915A (en) | 2023-11-16 | 2023-11-16 | Environment-friendly coating for sand paper and production method thereof |
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| CN202311529617.8A CN117567915A (en) | 2023-11-16 | 2023-11-16 | Environment-friendly coating for sand paper and production method thereof |
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