WO2018048122A1 - 딥 성형용 라텍스 조성물 및 이로부터 제조된 성형품 - Google Patents
딥 성형용 라텍스 조성물 및 이로부터 제조된 성형품 Download PDFInfo
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- WO2018048122A1 WO2018048122A1 PCT/KR2017/009175 KR2017009175W WO2018048122A1 WO 2018048122 A1 WO2018048122 A1 WO 2018048122A1 KR 2017009175 W KR2017009175 W KR 2017009175W WO 2018048122 A1 WO2018048122 A1 WO 2018048122A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dip molding
- acid
- weight
- dip
- monomer
- Prior art date
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- 239000004816 latex Substances 0.000 title claims abstract description 80
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- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000178 monomer Substances 0.000 claims description 66
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- 238000000034 method Methods 0.000 claims description 20
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- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 claims description 4
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- 230000036541 health Effects 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 claims description 2
- UTOVMEACOLCUCK-SNAWJCMRSA-N (e)-4-butoxy-4-oxobut-2-enoic acid Chemical compound CCCCOC(=O)\C=C\C(O)=O UTOVMEACOLCUCK-SNAWJCMRSA-N 0.000 claims description 2
- KYPOHTVBFVELTG-OWOJBTEDSA-N (e)-but-2-enedinitrile Chemical compound N#C\C=C\C#N KYPOHTVBFVELTG-OWOJBTEDSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims description 2
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 claims description 2
- RJDMNABGBOPNCB-HYXAFXHYSA-N (z)-2-(2-hydroxypropyl)but-2-enedioic acid Chemical compound CC(O)C\C(C(O)=O)=C\C(O)=O RJDMNABGBOPNCB-HYXAFXHYSA-N 0.000 claims 1
- JWPVCFSBPUPIQA-WAYWQWQTSA-N (z)-2-butylbut-2-enedioic acid Chemical compound CCCC\C(C(O)=O)=C\C(O)=O JWPVCFSBPUPIQA-WAYWQWQTSA-N 0.000 claims 1
- JKBPBRLDGFKIIA-UHFFFAOYSA-N 2-propylidenepropanedinitrile Chemical compound CCC=C(C#N)C#N JKBPBRLDGFKIIA-UHFFFAOYSA-N 0.000 claims 1
- IGLWCQMNTGCUBB-UHFFFAOYSA-N 3-methylidenepent-1-ene Chemical compound CCC(=C)C=C IGLWCQMNTGCUBB-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 210000004243 sweat Anatomy 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 20
- 239000000047 product Substances 0.000 description 20
- 238000006116 polymerization reaction Methods 0.000 description 19
- -1 powdered sulfur Chemical compound 0.000 description 19
- 229910052717 sulfur Inorganic materials 0.000 description 18
- 239000011593 sulfur Substances 0.000 description 18
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 12
- 230000035882 stress Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 8
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- 230000032683 aging Effects 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 7
- 239000003995 emulsifying agent Substances 0.000 description 7
- 239000003505 polymerization initiator Substances 0.000 description 7
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000007720 emulsion polymerization reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
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- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 2
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
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- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
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- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
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- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
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- 150000003254 radicals Chemical class 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 1
- ZKXXLNRGNAUYHP-IHWYPQMZSA-N (z)-4-(2-hydroxypropoxy)-4-oxobut-2-enoic acid Chemical compound CC(O)COC(=O)\C=C/C(O)=O ZKXXLNRGNAUYHP-IHWYPQMZSA-N 0.000 description 1
- MJYFYGVCLHNRKB-UHFFFAOYSA-N 1,1,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(F)(F)CF MJYFYGVCLHNRKB-UHFFFAOYSA-N 0.000 description 1
- FPFVPEGEWVRCGK-UHFFFAOYSA-N 1-ethenoxy-2-fluoroethane Chemical class FCCOC=C FPFVPEGEWVRCGK-UHFFFAOYSA-N 0.000 description 1
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- GSFSVEDCYBDIGW-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)-6-chlorophenol Chemical compound OC1=C(Cl)C=CC=C1C1=NC2=CC=CC=C2S1 GSFSVEDCYBDIGW-UHFFFAOYSA-N 0.000 description 1
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 1
- TVWBTVJBDFTVOW-UHFFFAOYSA-N 2-methyl-1-(2-methylpropylperoxy)propane Chemical compound CC(C)COOCC(C)C TVWBTVJBDFTVOW-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
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- CAMBAGZYTIDFBK-UHFFFAOYSA-N 3-tert-butylperoxy-2-methylpropan-1-ol Chemical compound CC(CO)COOC(C)(C)C CAMBAGZYTIDFBK-UHFFFAOYSA-N 0.000 description 1
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 1
- IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 description 1
- IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
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- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
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- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
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- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
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- UTOVMEACOLCUCK-PLNGDYQASA-N butyl maleate Chemical compound CCCCOC(=O)\C=C/C(O)=O UTOVMEACOLCUCK-PLNGDYQASA-N 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 230000003635 deoxygenating effect Effects 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- 229940096818 dipentamethylenethiuram disulfide Drugs 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- SRSFOMHQIATOFV-UHFFFAOYSA-N octanoyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(=O)CCCCCCC SRSFOMHQIATOFV-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- KNBRWWCHBRQLNY-UHFFFAOYSA-N piperidine-1-carbothioylsulfanyl piperidine-1-carbodithioate Chemical compound C1CCCCN1C(=S)SSC(=S)N1CCCCC1 KNBRWWCHBRQLNY-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- VOJOXNPTBDGNQO-UHFFFAOYSA-M sodium;1h-pyrrole-2-carboxylate Chemical compound [Na+].[O-]C(=O)C1=CC=CN1 VOJOXNPTBDGNQO-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
- C08L9/04—Latex
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
- A41D19/0058—Three-dimensional gloves
- A41D19/0062—Three-dimensional gloves made of one layer of material
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/08—Butenes
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
-
- 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
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/42—Nitriles
- C08F20/44—Acrylonitrile
-
- 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
- C08F236/12—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 nitriles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/26—Crosslinking, e.g. vulcanising, of macromolecules of latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/02—Direct processing of dispersions, e.g. latex, to articles
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/18—Polymers of nitriles
- B29K2033/20—PAN, i.e. polyacrylonitrile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
-
- 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
- C08F236/06—Butadiene
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2309/02—Copolymers with acrylonitrile
- C08J2309/04—Latex
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/18—Homopolymers or copolymers of nitriles
- C08L33/20—Homopolymers or copolymers of acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
Definitions
- the present invention uses a hydrophilic sodium polysulfide as a vulcanizing agent, the syneresis (synerisis) is gentle, excellent tensile strength, elongation rate, stress characteristics, and can be manufactured in a dip molding late dip composition excellent in sweat durability And it relates to a molded article produced therefrom.
- Disposable rubber gloves used in a variety of everyday life, such as household, food, electronics, medical, etc. are made by dip molding of natural rubber or nitrile copolymer latex. Recently, nitrile-based gloves have been in the spotlight in the disposable gloves market due to allergic problems of natural rubber and unstable supply and demand.
- the fit of the glove is closely related to the modulus value. That is, the smaller the modulus, the higher the wearing comfort, and the physical properties of the glove itself (ie, tensile strength, elongation rate, and stress) are deteriorated.
- the physical properties of the glove itself ie, tensile strength, elongation rate, and stress
- there is a problem such as deformed or torn gloves due to sweat generated when worn for a long time, it is urgent to develop a problem-free product even when the user is used for a long time through durability improvement.
- a vulcanizing agent is used for crosslinking in the manufacture of a molded article using a nitrile copolymer latex.
- the selection of the vulcanizing agent is appropriately selected according to the composition, molecular distribution state, structure, etc. of the nitrile-based latex.
- Typical vulcanizing agents include sulfur such as powdered sulfur, insoluble sulfur, precipitated sulfur, colloidal sulfur, and the like, and zinc oxide, magnesium oxide, Leadage (lead monoxide, PbO) and the like are used.
- Nitrile-based copolymers are made of latex in the form of water dispersion to ensure that the blend is uniformly mixed and that no precipitation occurs.
- the latex crosslinks of nitrile copolymers by sulfur, which is a vulcanizing agent, and crosslinking occurs smoothly when sulfur penetrates into the latex particles.
- the crosslinking using sulfur undergoes a long time aging process, and when the latex stability is low, a film is formed or aggregates on the surface, and when the aging process is insufficient, uniform mixing between the latex and the compounding agents is difficult. .
- the nitrile copolymer latex is prepared, and then, a compounding agent such as a vulcanizing agent and various additives are mixed, and the stability of the latex is also very important because the content of the vulcanizing agent directly affects the modulus. Should be considered.
- Patent Document 1 Republic of Korea Patent Publication No. 2010-0066005, "Rubber composition and rubber gloves manufactured using the same”
- the present inventors conducted various studies to solve the above problems, and mixed the carboxylic acid-modified nitrile copolymer latex with sodium polysulfide having hydrophilicity as a vulcanizing agent.
- the present invention was completed by confirming that excellent physical properties such as tensile strength, elongation rate and stress are improved, durability against sweat is improved, and manufacture of a dip molded article having improved fit through reduction of modulus is possible.
- a latex composition for dip molding comprising a carboxylic acid-modified nitrile copolymer latex and sodium polysulfide.
- Another object of the present invention is to provide a dip molded article manufactured from the latex composition for dip molding, has a gentle syneresis, excellent physical and sweat resistance, and improved fit.
- the present invention comprises a carboxylic acid-modified nitrile-based copolymer latex and sodium polysulfide copolymerized conjugated diene monomer, ethylenically unsaturated nitrile monomer and ethylenically unsaturated acid monomer
- a latex composition for molding is provided.
- the dip molding latex composition is characterized in that it comprises 0.1 to 5 parts by weight of sodium polysulfide based on 100 parts by weight of carboxylic acid-modified nitrile copolymer.
- the present invention provides a dip molded product, characterized in that the dip molded by the dip molding latex composition.
- the latex composition for dip molding according to the present invention uses a hydrophilic sodium polysulfide as a vulcanizing agent to achieve a gentle synergy in the dip molding process to improve workability.
- the dip molded products crosslinked using the sodium polysulfide have not only equivalent tensile strength, elongation rate and stress as compared to products using sulfur as a conventional vulcanizing agent, but also improve durability against sweat.
- by lowering the modulus compared to the product using sulfur it can give an excellent fit when worn on the human body.
- the dip molded article can be easily applied to industries that require it, such as inspection gloves, condoms, catheters, industrial gloves, household gloves and health care products.
- the present invention provides a latex composition for dip molding comprising a carboxylic acid-modified nitrile copolymer latex, but uses sodium polysulfide having excellent hydrophilicity instead of sulfur as a vulcanizing agent.
- Sodium polysulfide aqueous solution is ionized with sulfur to disulfide (S 2 2- ), trisulfide (S 3 2- ), tetrasulfide (S 4 2- ), and pentasulfide (S 5 2-) It is present as a polysulfide anion such as).
- sodium polysulfide when dissolved in an aqueous solution, sodium polysulfide is ionized to an S anion with Na cation as shown in the following Formula 1, and has a structure connected by -S-S- bond in the molecular structure.
- the S anion reacts with the carboxylic acid-modified nitrile copolymer to proceed the crosslinking reaction through the -S-S- structure.
- Sodium polysulfide aqueous solution is more hydrophilic than conventional vulcanizing agents (S 8 ) and has the advantage of being uniformly mixed with the carboxylic acid-modified nitrile-based copolymer, and the inner and outer boundaries of hydrophilicity and hydrophobicity by Na cations present at both ends It is easy to enter into the formed latex, so that the crosslinking of the carboxylic acid-modified nitrile copolymer can be made more smoothly.
- Crosslinking using the aqueous solution of sodium polysulfide is the same as that of the conventional sulfur (S 8 ) powder, and thus it is possible to manufacture a dip molded product having a tensile strength and elongation equal to or higher than that of a conventional vulcanizing agent.
- S 8 sulfur
- it has a low modulus compared to dip moldings using sulfur powder (see Tables 1 and 2), and has excellent fit in the human body due to its excellent elastic properties. It can be seen that.
- it is possible to secure an advantage of excellent durability against sweat.
- Preparation of the aqueous sodium polysulfide solution is not particularly limited in the present invention, it can be prepared by a method known in the art.
- sodium sulfide Sodium Sulfide
- S 8 sulfur
- the sodium polysulfide aqueous solution is preferably 5 to 20% by weight in consideration of precipitation of sulfur in the aqueous solution.
- the sodium polysulfide is used in an amount of 0.1 to 5 parts by weight, preferably 0.5 to 1 part by weight, based on 100 parts by weight of the carboxylic acid-modified nitrile copolymer latex in solid content. If the content of the sodium polysulfide is less than the above range, it is impossible to secure the effects described above. On the contrary, if the content of the sodium polysulfide exceeds the above range, syneresis occurs and physical properties are deteriorated due to excessive hardening. Since a molded article is produced, it uses suitably within the said range.
- the sodium polysulfide is used by adding to the latex of the carboxylic acid-modified nitrile copolymer.
- the carboxylic acid-modified nitrile copolymer is a copolymer in which a conjugated diene monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer are copolymerized.
- the conjugated diene monomer is a monomer constituting the carboxylic acid-modified nitrile copolymer according to the present invention, for example, 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, 2-ethyl At least one selected from the group consisting of -1,3-butadiene, 1,3-pentadiene and isoprene, among which 1,3-butadiene and isoprene are preferred, and 1,3-butadiene is most preferably used; do.
- the conjugated diene monomer is 40 to 89% by weight, preferably 45 to 80% by weight, more preferably 50 to 78% by weight within 100% by weight of the total content of the total monomer constituting the carboxylic acid-modified nitrile copolymer Included as. If the content is less than the above range, the dip molded product becomes hard and the wear feeling worsens. On the contrary, if the content exceeds the above range, the oil resistance of the dip molded product is deteriorated and the tensile strength is lowered.
- the ethylenically unsaturated nitrile monomer is acrylonitrile, methacrylonitrile, fumaronitrile, ⁇ -chloronitrile and ⁇ -cyano ethyl acryl At least one selected from the group consisting of ronitrile, of which acrylonitrile and methacrylonitrile are preferable, and among these, acrylonitrile is most preferably used.
- the ethylenically unsaturated nitrile monomer is 10 to 50 wt%, preferably 15 to 45 wt%, more preferably 25 to 45 wt% within 100 wt% of the total content of the total monomers constituting the carboxylic acid modified nitrile copolymer. Included in%. If the content is less than the above range, the oil resistance of the dip molded article is deteriorated and the tensile strength is lowered. On the contrary, if the content exceeds the above range, the dip molded article is hard and the wear feeling is worsened.
- the ethylenically unsaturated acid monomer is an ethylenically unsaturated acid monomer containing at least one acidic group selected from the group consisting of a carboxyl group, a sulfonic acid group and an acid anhydride group. to be.
- the ethylenically unsaturated acid monomers include, for example, ethylenically unsaturated carboxylic acid monomers such as acrylic acid, methacrylic acid, itaconic acid, maleic acid and fumaric acid; Polycarboxylic acid anhydrides such as maleic anhydride and citraconic anhydride; Ethylenically unsaturated sulfonic acid monomers such as styrene sulfonic acid; And ethylenically unsaturated polycarboxylic acid partial ester monomers such as monobutyl fumarate, monobutyl maleate, and mono-2-hydroxypropyl maleate. Of these, methacrylic acid is particularly preferable.
- Such ethylenically unsaturated acid monomers may be used in the form of alkali metal salts or ammonium salts.
- the ethylenically unsaturated acid monomer is 0.1 to 10% by weight, preferably 0.5 to 9% by weight, more preferably 1 to 8, in 100% by weight of the total content of the total monomers constituting the carboxylic acid-modified nitrile copolymer. % By weight. If the content is less than the above range, the dip molded article is lowered in tensile strength, whereas if the content exceeds the above range, the dip molded article is hardened and wear is poor.
- the carboxylic acid-modified nitrile copolymer according to the present invention may optionally further include other ethylenically unsaturated monomers copolymerizable with the ethylenically unsaturated nitrile monomer and ethylenically unsaturated acid monomer.
- the copolymerizable ethylenically unsaturated monomers include vinyl aromatic monomers including styrene, alkyl styrene and vinyl naphthalene; Fluoroalkylvinyl ethers including fluoro ethyl vinyl ethers; (Meth) acrylamide, N-methylol (meth) acrylamide, N, N -dimethylol (meth) acrylamide, N-methoxy methyl (meth) acrylamide and N -propoxy methyl (meth) acrylamide Ethylenically unsaturated amide monomers comprising; Non-conjugated diene monomers including vinyl pyridine, vinyl norbornene, dicyclo pentadiene and 1,4-hexadiene; Methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate,
- the amount of the ethylenically unsaturated nitrile monomer and other ethylenically unsaturated monomer copolymerizable therewith may be used within 0.001 to 20% by weight within 100% by weight of the total content of the total monomers constituting the carboxylic acid-modified nitrile copolymer. If the content exceeds 20% by weight, the balance between the soft fit and the tensile strength is not well balanced, so it is suitably used within the above range.
- the carboxylic acid-modified nitrile copolymer latex of the present invention can be prepared by emulsion polymerization by adding an emulsifier, a polymerization initiator, a molecular weight modifier and the like to the monomer constituting the carboxylic acid-modified nitrile copolymer.
- the carboxylic acid-modified nitrile copolymer latex Specifically, the carboxylic acid-modified nitrile copolymer latex
- Step a adding a conjugated diene monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer, an emulsifier, a polymerization initiator and deionized water to the polymerization reactor;
- Step b performing emulsion polymerization
- Step c It is prepared through the step of stopping the polymerization.
- the conjugated diene monomer, the ethylenically unsaturated nitrile monomer, the ethylenically unsaturated acid monomer, the emulsifier and the polymerization initiator may be introduced all at once or continuously in the polymerization reactor. In addition, they can add each use content to the polymerization reactor all at once, or add some content to the polymerization reactor and then continuously feed the remaining content back to the polymerization reactor.
- anionic surfactant a nonionic surfactant, cationic surfactant, an amphoteric surfactant, etc.
- anionic surfactants selected from the group consisting of alkylbenzene sulfonates, aliphatic sulfonates, sulfuric ester salts of higher alcohols, ⁇ -olefin sulfonates and alkyl ether sulfate ester salts can be particularly preferably used.
- the amount of the emulsifier is used in an amount of 0.3 to 10 parts by weight, preferably 0.8 to 8 parts by weight, and more preferably 1.5 to 6 parts by weight, based on 100 parts by weight of the monomer constituting the carboxylic acid-modified nitrile copolymer. If the content is less than the above range, the stability during polymerization is lowered. On the contrary, if the content exceeds the above range, foaming increases, making it difficult to manufacture dip molded articles.
- a radical initiator can be used specifically ,.
- inorganic peroxides such as sodium persulfate, potassium persulfate, ammonium persulfate, potassium perphosphate, hydrogen peroxide; t-butyl peroxide, cumene hydroperoxide, p-mentanehydro peroxide, di-t-butyl peroxide, t-butylcumyl peroxide, acetyl peroxide, isobutyl peroxide, octanoyl peroxide, dibenzoyl peroxide Organic peroxides such as oxides, 3,5,5-trimethylhexanol peroxide and t-butyl peroxy isobutylate; At least one member selected from the group consisting of azobis isobutyronitrile, azobis-2,4-dimethylvaleronitrile, azobiscyclohexane carbon
- the amount of the polymerization initiator is contained in an amount of 0.01 to 2 parts by weight, preferably 0.02 to 1.5 parts by weight, based on 100 parts by weight of the total monomers constituting the carboxylic acid-modified nitrile copolymer. If the content is less than the above range, the polymerization rate is lowered, making it difficult to manufacture the final product. On the contrary, if the content exceeds the above range, the polymerization rate is too fast to control the polymerization.
- the activator is not particularly limited and may be one commonly known in the art, but for example, sodium formaldehyde sulfoxylate, sodium ethylenediamine tetraacetate, ferrous sulfate, dextrose, sodium pyrrolate and sodium sulfite One or more selected from the group can be used.
- mercaptans such as (alpha) -methylstyrene dimer, t-dodecyl mercaptan, n-dodecyl mercaptan, octyl mercaptan; Halogenated hydrocarbons such as carbon tetrachloride, methylene chloride and methylene bromide; Sulfur-containing compounds such as tetraethyl thiuram disulfide, dipentamethylene thiuram disulfide, and diisopropylquixanthogen disulfide; and the like can be given.
- These molecular weight modifiers may be used alone or in combination of two or more thereof. Among these, mercaptans are preferable, and t-dodecyl mercaptan can be used more preferably.
- the usage-amount of the said molecular weight modifier varies with the kind, 0.1-2.0 weight part, Preferably it is 0.2-1.5 weight part, More preferably, with respect to 100 weight part of all monomers which comprise the said carboxylic acid modified nitrile copolymer. 0.3 to 1.0 parts by weight is used. If the content is less than the above range, the physical properties of the dip molded article are remarkably lowered. On the contrary, if the content exceeds the above range, polymerization stability is lowered.
- additives such as chelating agents, dispersing agents, pH adjusting agents, deoxygenating agents, particle size adjusting agents, anti-aging agents and oxygen scavenger may be added.
- the method of adding the monomer mixture constituting the carboxylic acid-modified nitrile copolymer is not particularly limited, the method of introducing the monomer mixture into the polymerization reactor at once, the method of continuously introducing the monomer mixture into the polymerization reactor, and a part of the monomer mixture You may use what kind of methods of putting into a polymerization reactor and continuously supplying a remaining monomer to a polymerization reactor.
- the polymerization temperature in the emulsion polymerization may be usually 10 to 90 °C, preferably 20 to 80 °C. More preferably, it may be 25 to 75 ° C, but is not particularly limited.
- the conversion rate when stopping the polymerization reaction may be 85% or more, preferably 88 to 99.9%, and more preferably 90 to 99%, and after the polymerization reaction is stopped, the unreacted monomer is removed.
- the carboxylic acid-modified nitrile copolymer latex for dip molding can be obtained by adjusting the solid content concentration and pH.
- the carboxylic acid-modified nitrile copolymer latex has a glass transition temperature of -30 ° C to -10 ° C.
- the glass transition temperature of the latex is less than the above range, the tensile strength is significantly lowered or the wearability is reduced due to the stickyness of the glove.
- the glass transition temperature of the latex is higher than the above range, dip molded product cracks are not preferable.
- the glass transition temperature can be adjusted by adjusting the content of the conjugated diene monomer, it can be measured by differential scanning calorimetry (Differential Scanning Calorimetry).
- the average particle diameter of the carboxylic acid-modified nitrile copolymer latex may be 100 to 500 nm, preferably 150 to 250 nm. If the average particle diameter of the dip molding latex falls within the above range, the tensile strength of the manufactured dip molded article may be improved. In this case, the average particle diameter of the dip molding latex may be adjusted by adjusting the type or content of the emulsifier, and the average particle diameter may be measured by a laser scattering analyzer (Nicomp).
- the carboxylic acid-modified nitrile copolymer latex prepared through the above steps is mixed with an aqueous solution of sodium polysulfide having hydrophilicity to prepare a latex composition for dip molding.
- the sodium polysulfide aqueous solution may be added to the latex at once or by adding it several times.
- the latex composition for dip molding may add a predetermined amount of various additives such as anti-aging agents, antioxidants, preservatives, antibacterial agents, wetting agents, thickeners, dispersants, pigments, dyes, fillers, reinforcing agents, and pH adjusters.
- various additives such as anti-aging agents, antioxidants, preservatives, antibacterial agents, wetting agents, thickeners, dispersants, pigments, dyes, fillers, reinforcing agents, and pH adjusters.
- the latex composition for dip molding according to the present invention has a solid content of 10 to 40% by weight, preferably 15 to 35% by weight, more preferably 15 to 30% by weight. If the concentration is too low, the efficiency of transportation of the latex composition is lowered. If the concentration is too high, the solid content concentration may cause an increase in viscosity and may cause problems such as storage stability. Therefore, the concentration is appropriately adjusted within the above range.
- the pH of the latex composition for dip molding may be 8 to 12, preferably 9 to 11, more preferably 9.3 to 10.5, and when the pH concentration is out of the range, stability of the latex composition for dip molding may be lowered. .
- the pH of the latex composition for dip molding may be adjusted by inputting a certain amount of pH regulator during preparation of the latex for dip molding, and the pH regulator may mainly be used with 1 to 5% potassium hydroxide aqueous solution or 1 to 5% ammonia water. have.
- the present invention provides a dip molded article prepared from the latex composition for dip molding.
- the dip molded article according to an embodiment of the present invention is not particularly limited and may be manufactured by a method commonly known in the art, such as a direct dipping method, an anode adhesion dipping method, and a Teague adhesion dipping method. It can manufacture using a method such as a paper method.
- the positive electrode adhesion dipping method may be used, and when the dip molded product is manufactured using the positive electrode adhesion dipping method, there is an advantage in that a dip molded product having a uniform thickness may be manufactured.
- the dip molded article As a specific example, the dip molded article
- step a Dipping the hand-shaped dip mold in a coagulant solution to attach the coagulant to the surface of the dip mold (step a);
- the dip molding layer may be heated to crosslink the latex resin.
- the step a is a step for attaching a coagulant to the surface of the hand-shaped dip molding mold, but is not particularly limited, may be carried out by immersing the dip mold in the coagulant solution for more than 1 minute and dried at 70 to 150 °C. .
- the coagulant solution is a solution in which a coagulant is dissolved in water, alcohol or a mixture thereof, and may generally include 5 to 50 wt% of a coagulant, and preferably 10 to 40 wt% of a coagulant.
- the coagulant is not particularly limited but includes, for example, metal halides such as barium chloride, calcium chloride, magnesium chloride, zinc chloride and aluminum chloride; Nitrates such as barium nitrate, calcium nitrate and zinc nitrate; Acetates such as barium acetate, calcium acetate and zinc acetate; Sulfates such as calcium sulfate, magnesium sulfate and aluminum sulfate, and the like.
- metal halides such as barium chloride, calcium chloride, magnesium chloride, zinc chloride and aluminum chloride
- Nitrates such as barium nitrate, calcium nitrate and zinc nitrate
- Acetates such as barium acetate, calcium acetate and zinc acetate
- Sulfates such as calcium sulfate, magnesium sulfate and aluminum sulfate, and the like.
- calcium chloride, calcium nitrate or a combination thereof Preferably calcium chloride, calcium nit
- the step b is a step for forming a dip molding layer from the latex composition for a dip molding according to the present invention in the dip molding mold to which the coagulant is attached, the dip molding mold to which the flocculant is attached, the latex composition for dip molding
- the dip molding layer can be formed by immersing for 1 minute or more in the water and then taken out.
- Step c is a step for obtaining a dip molded product by crosslinking a latex resin to the dip molded layer, and may be performed by heating the dip molded layer.
- the heat treatment is not particularly limited, but may be performed by, for example, primary heat treatment at 70 to 150 ° C. for 1 minute to 10 minutes, and then secondary heat treatment at 100 to 180 ° C. for 5 minutes to 30 minutes.
- the water component is first evaporated in the dip molding layer, and the dip molding may be obtained by curing of the latex resin of the dip molding layer through crosslinking.
- the dip molded article is not particularly limited and can be applied to various latex industries, but for example, one selected from the group consisting of inspection gloves, condoms, catheters, industrial gloves, surgical gloves, household gloves, industrial gloves, and health care products. It is applicable to the above molded articles.
- Agitator, thermometer, cooler, nitrogen inlet, 10L high pressure reactor equipped with a monomer, emulsifier, and polymerization initiator can be continuously added with nitrogen, and then acrylonitrile 25% by weight, 1,4-butadiene 70 2.5 parts by weight of sodium alkyl benzene sulfonate, 0.5 parts by weight of t-dodecyl mercaptan and 140 parts by weight of ion-exchanged water were added to 100 parts by weight of the monomer mixture of 5% by weight and methacrylic acid, and the temperature was raised to 48 ° C.
- the latex was measured to have a glass transition temperature of ⁇ 10 ° C. and an average particle diameter of 110 nm.
- a potassium hydroxide solution and an appropriate amount of secondary distilled water were added thereto to obtain a dip molding composition having a solid content concentration of 25% and a pH of 10.0.
- a coagulant solution was prepared by mixing 18 parts by weight of calcium nitrate, 87.5 parts by weight of distilled water, and 0.5 parts by weight of wetting agent (Teric 320 produced by Huntsman Corporation, Australia).
- the hand-shaped ceramic mold was immersed in this solution for 10 seconds, taken out, and dried at 80 ° C. for 4 minutes to attach a coagulant to the hand-shaped mold.
- the mold to which the coagulant was applied was immersed in the dip molding composition for 10 seconds, pulled up, dried at 80 ° C. for 2 minutes, and then soaked in water or hot water for 1 minute. Thereafter, the mixture was crosslinked at 120 ° C. for 20 minutes. The crosslinked dip molding layer was peeled off from the hand-shaped mold to obtain a dip molded article in the form of a glove.
- the physical properties of this dip molded article are shown in Table 1 and Table 2.
- the mold coated with the coagulant was immersed in the dip molding composition for 10 seconds, pulled up, dried at 120 ° C. for 6 minutes, and then dipped in water or hot water for 3 minutes. It was confirmed by syneresis time by checking the time of dropping the water drop during drying for 6 minutes at 120 °C.
- the syneresis time is shown in Table 1 and Table 2 below.
- a latex composition for dip molding was prepared in the same manner as in Example 1, except that 0.7 parts by weight of hydrophilic sodium polysulfide was used, thereby preparing a dip molded article in the form of a glove.
- a latex composition for dip molding was prepared in the same manner as in Example 1, except that 1.0 parts by weight of hydrophilic sodium polysulfide was used, thereby preparing a dip molded article in the form of a glove.
- Comparative Example 1 Manufacture latex composition for dip molding and dip molded article
- a latex composition for dip molding and a dip molded article in the form of a glove were prepared using the same method as in Example 1.
- a dumbbell-shaped test piece was produced from the obtained dip molded product in accordance with EN 455-2. Subsequently, the test piece was pulled at an elongation rate of 500 mm / min, and the stresses at 300% and 500% elongation, the tensile strength at break and the elongation at break were measured.
- the specimen of Nitrile rubber gloves was inserted into the durability measuring device. The number of times until breaking was measured, increasing to twice the initial length (up to 2 times when increasing, at least 1 time when decreasing). In this case, the high number means that the durability is excellent.
- the syneresis time was confirmed by checking the time of dripping when drying for 6 minutes at 120 °C. In this case, the longer the syneresis time, the better the workability.
- the latex composition for dip molding according to the present invention can be used for the production of latex articles such as health care products such as various industrial and household gloves.
Abstract
Description
인장강도(MPa) | 300%에서 응력(MPa) | 500%에서 응력(MPa) | 시너리시스(sec) | 신장율(%) | 내구성(회) | |
실시예 1 | 39.5 | 4.7 | 12.2 | 355 | 635 | 408 |
실시예 2 | 40.2 | 4.8 | 12.4 | >360 | 630 | 439 |
실시예 3 | 40.0 | 4.7 | 12.2 | >360 | 619 | 500 |
비교예 1 | 39.1 | 5.2 | 12.6 | 290(맺힘) | 641 | 252 |
인장강도(MPa) | 300%에서 응력(MPa) | 500%에서 응력(MPa) | 시너리시스(sec) | 신장율(%) | 내구성(회) | |
실시예 1 | 38.4 | 5.7 | 14.1 | 360(맺힘) | 603 | 192 |
실시예 2 | 39.4 | 5.8 | 14.7 | >360 | 618 | 200 |
실시예 3 | 39.6 | 5.9 | 15.7 | >3660 | 625 | 222 |
비교예 1 | 38.4 | 5.8 | 16.6 | 360(맺힘) | 597 | 170 |
Claims (11)
- 공액디엔계 단량체, 에틸렌성 불포화 니트릴계 단량체 및 에틸렌성 불포화산 단량체가 공중합된 카르본산 변성 니트릴계 공중합체 라텍스; 및나트륨 폴리설파이드를 포함하는 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 딥 성형용 라텍스 조성물은 카르본산 변성 니트릴계 공중합체 100 중량부에 대하여 나트륨 폴리설파이드 0.1 내지 5 중량부를 포함하는 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 나트륨 폴리설파이드는 5 내지 20 중량% 농도의 수용액으로 사용하는 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 카르본산 변성 니트릴계 공중합체 라텍스는 유리전이온도가 -30℃ 내지 -10℃이고, 평균 입경이 100 내지 500nm 이상인 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 카르본산 변성 니트릴계 공중합체는 단량체의 총합 100 중량%에 대해,공액디엔계 단량체 40 내지 89 중량%, 에틸렌성 불포화 니트릴계 단량체 10 내지 50 중량% 및 에틸렌성 불포화산 단량체 0.1 내지 10 중량%가 공중합된 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 공액디엔계 단량체는 1,3-부타디엔, 2,3-디메틸-1,3-부타디엔, 2-에틸-1,3-부타디엔, 1,3-펜타디엔 및 이소프렌으로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 에틸렌성 불포화 니트릴계 단량체는 아크릴로니트릴, 메타크릴로니트릴, 후마로니트릴, α-클로로니트릴 및 α-시아노 에틸 아크릴로니트릴로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 에틸렌성 불포화산 단량체는 아크릴산, 메타크릴산, 이타콘산, 말레인산, 푸마르산, 무수말레산, 무수 시트라콘산, 스티렌 술폰산, 푸마르산 모노부틸, 말레인산 모노부틸 및 말레인산 모노-2-하이드록시 프로필로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항에 있어서,상기 카르본산 변성 니트릴계 공중합체는 공단량체로 에틸렌성 불포화 단량체를 더욱 포함하여 공중합된 것을 특징으로 하는 딥 성형용 라텍스 조성물.
- 제1항 내지 제9항 중 어느 한 항의 딥 성형용 라텍스 조성물로 딥 성형하여 제조된 것을 특징으로 하는 딥 성형품.
- 제10항에 있어서,상기 딥 성형품은 검사장갑, 콘돔, 카테터, 산업용 장갑, 수술용 장갑, 가정용 장갑, 산업용 장갑 및 건강 관리용품으로 이루어진 군에서 1종 이상 선택되는 것을 특징으로 하는 딥 성형품.
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US16/086,777 US10858469B2 (en) | 2016-09-09 | 2017-08-23 | Latex composition for dip molding, and molded product manufactured therefrom |
JP2018548112A JP6893217B2 (ja) | 2016-09-09 | 2017-08-23 | ディップ成形用ラテックス組成物及びこれより製造された成形品 |
EP17849006.6A EP3412718B1 (en) | 2016-09-09 | 2017-08-23 | Latex composition for dip molding, and molded product manufactured therefrom |
MYPI2018703511A MY194631A (en) | 2016-09-09 | 2017-08-23 | Latex composition for dip molding, and molded product manufactured therefrom |
CN201780027059.1A CN109071886B (zh) | 2016-09-09 | 2017-08-23 | 用于浸渍成型的胶乳组合物,以及由其制备的成型制品 |
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KR102287668B1 (ko) * | 2020-02-17 | 2021-08-10 | 금호석유화학 주식회사 | 딥 성형용 라텍스 조성물 및 그를 포함하는 딥 성형품 |
US11873391B2 (en) | 2020-03-31 | 2024-01-16 | Lg Chem, Ltd. | Carboxylic acid modified-nitrile based copolymer latex and latex composition for dip-forming comprising the copolymer latex and article formed by the composition |
JP7325854B2 (ja) | 2020-03-31 | 2023-08-15 | エルジー・ケム・リミテッド | カルボン酸変性ニトリル系共重合体ラテックス、これを含むディップ成形用ラテックス組成物およびこれより成形された成形品 |
KR102563062B1 (ko) * | 2020-03-31 | 2023-08-03 | 주식회사 엘지화학 | 카르본산 변성 니트릴계 공중합체 라텍스 |
EP3950817B1 (en) * | 2020-03-31 | 2023-04-05 | Lg Chem, Ltd. | Carboxylic acid-modified nitrile-based copolymer latex |
EP3950816A4 (en) * | 2020-03-31 | 2022-04-20 | Lg Chem, Ltd. | CARBONIC ACID MODIFIED COPOLYMER LATEX, NITRILE BASED, LATEX COMPOSITION FOR DIP FORMING THEREOF AND ARTICLE MOLDED THEREOF |
US20220251346A1 (en) * | 2020-03-31 | 2022-08-11 | Lg Chem, Ltd. | Carboxylic Acid Modified-Nitrile Based Copolymer Latex |
CN112375274A (zh) * | 2020-11-11 | 2021-02-19 | 天长市恒生医疗器械有限公司 | 一种复合乳胶防护手套 |
WO2023048601A1 (en) * | 2021-09-27 | 2023-03-30 | Public Joint Stock Company "Sibur Holding" (Pjsc "Sibur Holding") | Butadiene nitrile latex, latex composition for dip-molding, and dip-molded article |
WO2023048602A1 (en) * | 2021-09-27 | 2023-03-30 | Public Joint Stock Company "Sibur Holding" (Pjsc "Sibur Holding") | Butadiene nitrile latex, latex composition for dip-molding, and dip-molded article |
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Also Published As
Publication number | Publication date |
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JP6893217B2 (ja) | 2021-06-23 |
EP3412718B1 (en) | 2019-11-27 |
US10858469B2 (en) | 2020-12-08 |
KR20180028606A (ko) | 2018-03-19 |
MY194631A (en) | 2022-12-08 |
KR102081766B1 (ko) | 2020-02-26 |
US20190127507A1 (en) | 2019-05-02 |
EP3412718A4 (en) | 2019-06-05 |
CN109071886B (zh) | 2020-10-02 |
JP2019510108A (ja) | 2019-04-11 |
EP3412718A1 (en) | 2018-12-12 |
CN109071886A (zh) | 2018-12-21 |
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