CN104523372B - Sanitary pads - Google Patents
Sanitary pads Download PDFInfo
- Publication number
- CN104523372B CN104523372B CN201510032259.9A CN201510032259A CN104523372B CN 104523372 B CN104523372 B CN 104523372B CN 201510032259 A CN201510032259 A CN 201510032259A CN 104523372 B CN104523372 B CN 104523372B
- Authority
- CN
- China
- Prior art keywords
- mass parts
- added
- methyl
- silicon dioxide
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- -1 polyethylene Polymers 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000004698 Polyethylene Substances 0.000 claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 claims abstract description 11
- 238000003618 dip coating Methods 0.000 claims abstract description 7
- 239000006096 absorbing agent Substances 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 239000007864 aqueous solution Substances 0.000 claims description 47
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 46
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 43
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000000377 silicon dioxide Substances 0.000 claims description 29
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 28
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 24
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 24
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 24
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 23
- 239000001110 calcium chloride Substances 0.000 claims description 23
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 23
- 229920000642 polymer Polymers 0.000 claims description 22
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 19
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 16
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 16
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 16
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 16
- 238000005660 chlorination reaction Methods 0.000 claims description 15
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 14
- 239000008107 starch Substances 0.000 claims description 14
- 235000019698 starch Nutrition 0.000 claims description 14
- 229940075614 colloidal silicon dioxide Drugs 0.000 claims description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims description 13
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 8
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 8
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 8
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 7
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- BFOCLBAICAUQTA-UHFFFAOYSA-N 2-methylpropane;prop-2-enamide Chemical compound CC(C)C.NC(=O)C=C BFOCLBAICAUQTA-UHFFFAOYSA-N 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 4
- LZURAFOPFBYVRB-UHFFFAOYSA-N [Na].C(C)OC(C=1C(C(=O)OCC)=CC=CC1)=O Chemical compound [Na].C(C)OC(C=1C(C(=O)OCC)=CC=CC1)=O LZURAFOPFBYVRB-UHFFFAOYSA-N 0.000 claims description 4
- 239000008346 aqueous phase Substances 0.000 claims description 4
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 3
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 3
- 238000011978 dissolution method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 239000011260 aqueous acid Substances 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 235000009508 confectionery Nutrition 0.000 claims description 2
- 230000002045 lasting effect Effects 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- JPKKMFOXWKNEEN-UHFFFAOYSA-N 2-methylcholine Chemical compound CC(O)C[N+](C)(C)C JPKKMFOXWKNEEN-UHFFFAOYSA-N 0.000 claims 1
- OLWHKUSEKLCBPY-UHFFFAOYSA-N 2-methylpropane;n-methylprop-2-enamide Chemical compound CC(C)C.CNC(=O)C=C OLWHKUSEKLCBPY-UHFFFAOYSA-N 0.000 claims 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims 1
- FYAFBPSCUASJMG-UHFFFAOYSA-N ethyl(methyl)azanium;bromide Chemical compound [Br-].CC[NH2+]C FYAFBPSCUASJMG-UHFFFAOYSA-N 0.000 claims 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 238000006277 sulfonation reaction Methods 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 23
- 239000010410 layer Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 11
- OHGRMKMYXPQPMZ-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid;2-methylprop-2-enamide Chemical compound CC(=C)C(N)=O.CC(C)CS(O)(=O)=O OHGRMKMYXPQPMZ-UHFFFAOYSA-N 0.000 description 9
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 6
- 150000004985 diamines Chemical class 0.000 description 6
- 229920001451 polypropylene glycol Polymers 0.000 description 6
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 5
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 5
- 239000012975 dibutyltin dilaurate Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 5
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 5
- 229910001948 sodium oxide Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- DTCCVIYSGXONHU-CJHDCQNGSA-N (z)-2-(2-phenylethenyl)but-2-enedioic acid Chemical compound OC(=O)\C=C(C(O)=O)\C=CC1=CC=CC=C1 DTCCVIYSGXONHU-CJHDCQNGSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- LYCAIKOWRPUZTN-NMQOAUCRSA-N 1,2-dideuteriooxyethane Chemical compound [2H]OCCO[2H] LYCAIKOWRPUZTN-NMQOAUCRSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 210000004914 menses Anatomy 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- HSRJKNPTNIJEKV-UHFFFAOYSA-N Guaifenesin Chemical compound COC1=CC=CC=C1OCC(O)CO HSRJKNPTNIJEKV-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- AUBSNUSTVUZGCC-UHFFFAOYSA-N [NH4+].[Br-].C(C)[PH3+].[Br-] Chemical compound [NH4+].[Br-].C(C)[PH3+].[Br-] AUBSNUSTVUZGCC-UHFFFAOYSA-N 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- PYBNTRWJKQJDRE-UHFFFAOYSA-L dodecanoate;tin(2+) Chemical compound [Sn+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O PYBNTRWJKQJDRE-UHFFFAOYSA-L 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F13/51405—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material treated or coated, e.g. with moisture repellent agent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
- A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
- A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
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Abstract
The present invention relates to a kind of sanitary pads, have the liquid permeable cover towards body surface, and the backsheet layer of the prevention Liquid Penetrant towards garment surface；And the absorber between the cover and backsheet layer is set；The intermediate two sides of the backsheet layer are provided with the first flank and the second flank along width direction, the backsheet layer dip-coating aqueous functional coating agent and solidifies obtained functional coating and is formed by polyethylene nonwoven and on the polyethylene nonwoven, and the coating amount of the functional coating is 1.0 ~ 1.2 mg/cm2.Sanitary pads of the present invention are able to suppress or eliminate that user is sultry, the uncomfortable impression such as moist.
Description
Technical field
The present invention relates to the technical fields of absorbent commodity, it is more particularly related to a kind of sanitary pads.
Background technique
In order to absorb the menses that user excretes, the absorbent commodities such as sanitary napkin are widely used.Sanitary napkin is that pad is put in
Women crotch is used to adsorb menses or the disposable of other materials, liquid absorption liner.Sanitary napkin one commonly known in the art
As be long strip of liner shape.When the menses etc. that user excretes are excreted on the absorbent commodity of sanitary napkin, due to immediately beginning to
Evaporation due to evaporating heat release, and causes humidity to rise, there is the impression of the discomfort such as sultry, moist so as to cause user.
Summary of the invention
In order to solve above-mentioned technical problem in the prior art, the purpose of the present invention is to provide a kind of sanitary pads.
To achieve the goals above, the invention adopts the following technical scheme：
A kind of sanitary pads have the liquid permeable cover towards body surface, and the resistance towards garment surface
The only backsheet layer of Liquid Penetrant；And the absorber between the cover and backsheet layer is set；The centre of the backsheet layer
Two sides are provided with the first flank and the second flank along width direction, it is characterised in that：The backsheet layer is by polyethylene nonwoven
And dip-coating aqueous functional coating agent and solidifies obtained functional coating on the polyethylene nonwoven and formed, and the function
The coating amount of energy coating is 1.0 ~ 1.2 mg/cm2。
Wherein, the functional coating by dip-coating aqueous functional coating agent and in 85 ~ 95 DEG C curing process 3.5 ~ 5.0 minutes
It obtains.
Wherein, 4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent by 18 ~ 20 mass parts, 10 ~ 12 matter
Measure the polytetrahydrofuran ether glycol of part, the polyoxypropylene diamine of 2 ~ 3 mass parts, the 2- methyl-1 of 1 ~ 2 mass parts, 3- the third two
Alcohol, the modified manometer silicon dioxide of 2.0 ~ 2.5 mass parts, the styrene maleic anhydride copolymer of 2.5 ~ 3.0 mass parts, 0.20
The catalyst of ~ 0.25 mass parts and the antioxidant of 0.1 ~ 0.2 mass parts react 1.5 ~ 2.0 hours at 75 ~ 80 DEG C；It is cooled to room
The deionized water of 80 ~ 100 mass parts, the sodium carboxymethylcellulose of 8 ~ 10 mass parts, the polyethylene pyrrole of 3 ~ 5 mass parts are added after temperature
Pyrrolidone, the dimethylformamide of 3 ~ 5 mass parts stir and the aqueous functional coating agent can be obtained after dispersing.
Wherein, the absorber is the water suction granular polymer coated with non-woven fabrics.
Wherein, the water suction granular polymer is prepared by the following steps to obtain：
（1）According to the separately sampled weighing of the mass fraction of each component raw material：Wherein, acrylic acid：88.0 ~ 90.0 mass parts,
Methacrylamide -2- methyl propane sulfonic acid：10.0 ~ 12.0 mass parts, sodium hydroxide：24.2 ~ 25.8 mass parts, ethylene glycol two contract
Water glycerin ether：0.10 ~ 0.12 mass parts, 2,4- methyl diisocyanates：0.02 ~ 0.03 mass parts, colloidal silicon dioxide：12.0
~ 13.0 mass parts, succinate or salt：0.6 ~ 0.8 mass parts, carboxymethyl cellulose：3.9 ~ 4.5 mass parts, chlorination 2- hydroxypropyl
Base trimethyl ammonium starch ether：4.8 ~ 5.0 mass parts, calcium chloride：3.5 ~ 4.0 mass parts, ammonium persulfate：0.05 ~ 0.06 mass
Part；
（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is 30wt%'s
Methacrylamide -2- methyl propane sulfonic acid aqueous solution, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the chlorination of 20wt%
Calcium aqueous solution；
（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Methacrylamide -2- the methyl of configuration
Propane sulfonic acid aqueous solution, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, succinate or salt and colloidal silica is added
Silicon；Then step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, and ethylene glycol diglycidylether, 2,4- first are then added
Group diisocyanate and carboxymethyl cellulose are stirred, and calcium chloride water and ammonium persulfate is then added, continues to stir
It mixes, increases temperature to 75 ~ 80 DEG C, reaction stirring 3 ~ 5 hours obtains gel；
（4）The water suction granular polymer can be obtained after gel drying is crushed.
Wherein, the partial size of the water suction granular polymer is 15 ~ 200 μm.
Wherein, the succinate or salt are in alkyl phenol ether sulfosuccinates or sulfosuccinic diethyl phthalate sodium salt
At least one.
Wherein, the colloidal silicon dioxide is prepared using silicon dissolution method, and SiO in the colloidal silicon dioxide2's
Mass fraction is 30 ~ 35%, and partial size is 20 ~ 30 nm.
Wherein, the cover preferably uses non-woven fabrics, as long as and the material of the non-woven fabrics can penetrate liquid
Material, for example, by using natural fiber or chemical fibre, as illustratively, using cotton fiber, flaxen fiber and acetic acid
Fiber etc..The non-woven fabrics is formed using well known meltblown, air laid etc..
Wherein, the backsheet layer is by polyethylene nonwoven and the dip-coating aqueous functional coating on the polyethylene nonwoven
Agent simultaneously solidifies obtained functional coating and is formed.
Compared with prior art, sanitary pads of the present invention have the advantages that：
Sanitary pads of the present invention are able to suppress or eliminate that user is sultry, the uncomfortable impression such as moist.
Detailed description of the invention
Fig. 1 is the plane structure chart of sanitary pads of the present invention.
Specific embodiment
Sanitary pads of the present invention are further elaborated below with reference to specific embodiment, to help this field
Technical staff have more complete, accurate and deep understanding to inventive concept of the invention, technical solution.
As shown in Figure 1, sanitary pads described in the present embodiment, have the liquid permeable top flat towards body surface
Layer, and the backsheet layer of the prevention Liquid Penetrant towards garment surface；And the suction between the cover and backsheet layer is set
Acceptor；The intermediate two sides of the backsheet layer are provided with the first flank and the second flank along width direction, and the backsheet layer is by gathering
Ethylene non-woven fabrics and dip-coating aqueous functional coating agent and solidifies obtained functional coating on the polyethylene nonwoven and is formed,
And the coating amount of the functional coating is 1.0 ~ 1.2 mg/cm2.In the present invention, the absorber is to be coated with non-woven fabrics
Water suction granular polymer；The cover preferably uses non-woven fabrics, as long as and the material of the non-woven fabrics can penetrate
The material of liquid, for example, by using natural fiber or chemical fibre, as illustratively, using cotton fiber, flaxen fiber and
Acetate fiber etc..The non-woven fabrics is formed using well known meltblown, air laid etc..
The preparation of modified manometer silicon dioxide
Embodiment 1
Modified manometer silicon dioxide used in the embodiment of the present invention is prepared by the following method to obtain：（1）By matter
Amount is the maleic acid double focusing ethylene glycol of nano silica 8wt%（400）Ester phthalic anhydride condensation product sodium sulfonate is added in deionized water,
The aqueous phase system for forming that concentration is 2.0wt% in 20 min is stirred under the mixing speed of 1000 rpm；（2）By nanometer titanium dioxide
Silicon（Average grain diameter is 30nm, specific surface area 350m2/g）And quality is the etradecyldimethylamine of nano silica 10wt%
Base ethyl phosphonium bromide ammonium is distributed in glycidyl methacrylate in the case where revolving speed is the mixing speed of 800rpm and obtains oily phase body
System；And the quality of the glycidyl methacrylate is 2.5 times of the nano silica quality；（3）By step
（2）Obtained oil-based system is added to step（1）In obtained aqueous phase system, 20 are stirred under the mixing speed of 2000 rpm
Min obtains mixed liquor, and is transferred in reactor, in N2Under atmosphere protection, methyl propenoic acid glycidyl is added in lasting stirring
The peroxidized t-butyl perbenzoate of ester quality 1.0wt%, then under conditions of 80 DEG C react 2 hours, then by filtering,
The modified manometer silicon dioxide can be obtained in washing and drying, is placed in spare in drier.
Comparative example 1
Modified manometer silicon dioxide used in comparative example of the invention is prepared by the following method to obtain：By nano-silica
SiClx (30 nm of average grain diameter, 350 m of specific surface area2/ g) to be placed in ultrasonic disperse in toluene solution uniform；80 DEG C are warming up to, drop
γ-the glycidyl ether oxygen propyl trimethoxy silicane for adding toluene to hydrolyze, wherein the γ-glycidyl ether oxygen propyl trimethoxy
The dosage of base silane is 2 times of the nano silica quality, continues stirring 30 minutes after being added dropwise, is warming up to 100 DEG C
It flows back 10 hours and is sufficiently reacted；Finally product can be obtained into improved silica after washing, drying, be placed in drier
In it is spare.
The preparation of aqueous functional coating agent
Embodiment 2
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in the present embodiment by 18 mass parts, 10 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the polyoxypropylene diamine of 2 mass parts（D230）, the 2- of 1 mass parts
Methyl-1,3-propanediol, the modified manometer silicon dioxide (embodiment 1) of 2.5 mass parts, the styrene maleic acid of 2.5 mass parts
Anhydride copolymer（SMA1000, maleic anhydride content 42%, number-average molecular weight 2000）, the dibutyl tin dilaurate of 0.20 mass parts
It is added in reactor with the antioxidant 1010 of 0.1 mass parts and the toluene of 100 mass parts, is reacted 2.0 hours at 80 DEG C；
It is cooled to the deionized water that 80 mass parts are added after room temperature, the sodium carboxymethylcellulose of 8 mass parts, the polyethylene pyrrole of 4 mass parts
Pyrrolidone（It is non-ionic, Mw=130000）, the dimethylformamide of 4 mass parts, under 2000 revs/min of stirring condition point
30min is dissipated, aqueous functional coating agent then can be obtained after removed under reduced pressure solvent and low-boiling-point substance.
Embodiment 3
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in the present embodiment by 20 mass parts, 12 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the polyoxypropylene diamine of 2 mass parts（D230）, the 2- of 2 mass parts
Methyl-1,3-propanediol, the modified manometer silicon dioxide (embodiment 1) of 2.5 mass parts, the styrene maleic acid of 2.5 mass parts
Anhydride copolymer（SMA1000, maleic anhydride content 42%, number-average molecular weight 2000）, the dibutyl tin dilaurate of 0.20 mass parts
It is added in reactor with the antioxidant 1010 of 0.1 mass parts and the toluene of 100 mass parts, is reacted 2.0 hours at 80 DEG C；
It is cooled to the deionized water that 80 mass parts are added after room temperature, the sodium carboxymethylcellulose of 8 mass parts, the polyethylene pyrrole of 4 mass parts
Pyrrolidone（It is non-ionic, Mw=130000）, the dimethylformamide of 4 mass parts, under 2000 revs/min of stirring condition point
30min is dissipated, aqueous functional coating agent then can be obtained after removed under reduced pressure solvent and low-boiling-point substance.
Embodiment 4
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in the present embodiment by 20 mass parts, 10 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the polyoxypropylene diamine of 3 mass parts（D230）, the 2- of 2 mass parts
Methyl-1,3-propanediol, the modified manometer silicon dioxide (embodiment 1) of 2.5 mass parts, the styrene maleic acid of 2.5 mass parts
Anhydride copolymer（SMA1000, maleic anhydride content 42%, number-average molecular weight 2000）, the dibutyl tin dilaurate of 0.20 mass parts
It is added in reactor with the antioxidant 1010 of 0.1 mass parts and the toluene of 100 mass parts, is reacted 2.0 hours at 80 DEG C；
It is cooled to the deionized water that 80 mass parts are added after room temperature, the sodium carboxymethylcellulose of 8 mass parts, the polyethylene pyrrole of 4 mass parts
Pyrrolidone（It is non-ionic, Mw=130000）, the dimethylformamide of 4 mass parts, under 2000 revs/min of stirring condition point
30min is dissipated, aqueous functional coating agent then can be obtained after removed under reduced pressure solvent and low-boiling-point substance.
Comparative example 2
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in this comparative example by 20 mass parts, 10 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the polyoxypropylene diamine of 3 mass parts（D230）, the 2- of 2 mass parts
Methyl-1,3-propanediol, the modified manometer silicon dioxide (embodiment 2) of 2.5 mass parts, the styrene maleic acid of 2.5 mass parts
Anhydride copolymer（SMA1000, maleic anhydride content 42%, number-average molecular weight 2000）, the dibutyl tin dilaurate of 0.20 mass parts
It is added in reactor with the antioxidant 1010 of 0.1 mass parts and the toluene of 100 mass parts, is reacted 2.0 hours at 80 DEG C；
It is cooled to the deionized water that 80 mass parts are added after room temperature, the sodium carboxymethylcellulose of 8 mass parts, the polyethylene pyrrole of 4 mass parts
Pyrrolidone（It is non-ionic, Mw=130000）, the dimethylformamide of 4 mass parts, under 2000 revs/min of stirring condition point
30min is dissipated, aqueous functional coating agent then can be obtained after removed under reduced pressure solvent and low-boiling-point substance.
Comparative example 3
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in this comparative example by 20 mass parts, 10 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the 2- methyl-1 of 5 mass parts, 3-propanediol, 2.5 mass parts change
Property nano silica (embodiment 1), the styrene maleic anhydride copolymer of 2.5 mass parts（SMA1000, maleic anhydride content
42%, number-average molecular weight 2000）, the antioxidant 1010 of the dibutyl tin dilaurate of 0.20 mass parts and 0.1 mass parts and
The toluene of 100 mass parts is added in reactor, is reacted 2.0 hours at 80 DEG C；80 mass parts are added after being cooled to room temperature
Deionized water, the sodium carboxymethylcellulose of 8 mass parts, the polyvinylpyrrolidone of 4 mass parts（It is non-ionic, Mw=130000）,
The dimethylformamide of 4 mass parts disperses 30min under 2000 revs/min of stirring condition, then removed under reduced pressure solvent and low
Aqueous functional coating agent can be obtained after boiling object.
Comparative example 4
4,4- '-diphenylmethane diisocyanate of the aqueous functional coating agent described in this comparative example by 20 mass parts, 10 mass parts
Polytetrahydrofuran ether glycol（Trade mark PolyTHF1000）, the polyoxypropylene diamine of 3 mass parts（D230）, the 2- of 2 mass parts
Methyl-1,3-propanediol, the modified manometer silicon dioxide (embodiment 1) of 2.5 mass parts, two fourth of tin dilaurate of 0.20 mass parts
The toluene of the antioxidant 1010 and 100 mass parts of Ji Xi and 0.1 mass parts is added in reactor, reacts 2.0 at 80 DEG C
Hour；It is cooled to the deionized water that 80 mass parts are added after room temperature, the sodium carboxymethylcellulose of 8 mass parts, the poly- second of 4 mass parts
Alkene pyrrolidone（It is non-ionic, Mw=130000）, the dimethylformamide of 4 mass parts, in 2000 revs/min of stirring condition
Then aqueous functional coating agent can be obtained after removed under reduced pressure solvent and low-boiling-point substance in lower dispersion 30min.
Hydrophobic layer preparation and performance test
In the present invention, the hydrophobic layer of sanitary napkin is by polyethylene nonwoven（The preparation of SMS method）And in polyethylene nonwoven
The aqueous functional coating agent of upper dip-coating embodiment 2 ~ 4 and comparative example 2 ~ 4 is simultaneously obtained in 90 DEG C of 5 min of curing process；And it is described
The coating amount of functional coating is 1.0 mg/cm2.To the hydrophobic layer being prepared when it is 90% that temperature, which is 38 DEG C of relative humidity,
Hydrophobicity, resistance to hydrostatic pressure and penetrability tested.Hydrophobicity measures hydrophobic layer surface and water using contact angle measurement
Contact angle indicates.Waterproof performance test is referring to GB/T4744-1997《Textile fabric water permeability resistance measures hydrostatic test》, often
A sample test 5 times, is averaged；Penetrability test is referring to GB/T12704.2-1997《The test of textile fabric fabric moisture-penetrability
Method》In moisture absorption method, test result is as shown in table 1.
Table 1
| Example | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Contact angle | 150° | 155° | 155° | 150° | 130° | 130° |
| Resistance to hydrostatic pressure Pa | 5930 | 6120 | 6320 | 4520 | 4210 | 4620 |
| Vapor transfer rate gm-2d-1 | 7800 | 8300 | 8100 | 4200 | 4500 | 4300 |
In embodiment below and comparative example, raw material colloidal silicon dioxide is prepared using silicon dissolution method, and institute
State SiO in colloidal silicon dioxide2Mass fraction be 30%, partial size be 20 ~ 30 nm.
The preparation of water suction granular polymer
Embodiment 5
The water suction granular polymer of the present embodiment is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：88.0 mass parts, Methacrylamide -2- methyl propane sulfonic acid：12.0 mass parts, hydrogen
Sodium oxide molybdena：25.2 mass parts, ethylene glycol diglycidylether：0.10 mass parts, 2,4- methyl diisocyanates：0.03 mass
Part, colloidal silicon dioxide：12.8 mass parts, alkyl phenol ether sulfosuccinates：0.8 mass parts, carboxymethyl cellulose：4.2 matter
Measure part, chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether：5.0 mass parts, calcium chloride：4.0 mass parts, ammonium persulfate：0.06 matter
Measure part；（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the first of 30wt%
Base acrylamide-2-methyl propane sulfonic aqueous solution, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the calcium chloride of 20wt%
Aqueous solution；（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Methacrylamide -2- the methyl-prop of configuration
Sulfonic acid aqueous solution, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, alkyl phenol ether sulfosuccinates and colloid two is added
Silica；Then step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, and is then added ethylene glycol diglycidylether, and 2,
4- methyl diisocyanate and carboxymethyl cellulose are stirred, and calcium chloride water and ammonium persulfate is then added, continue into
Row stirring increases temperature to 80 DEG C, and reaction stirring 3 ~ 5 hours obtains gel；（4）Gel is entered in whizzer, it is dry
Temperature is 150 DEG C, and the dry particle that moisture content is 8wt% is obtained after dry, then by dry particle into carrying out powder in people's pulverizer
Broken, then sub-sieve obtains the water suction granular polymer that partial size is 15 ~ 200 μm.
Embodiment 6
The water suction granular polymer of the present embodiment is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：90.0 mass parts, Methacrylamide -2- methyl propane sulfonic acid：10.0 mass parts, hydrogen
Sodium oxide molybdena：25.0 mass parts, ethylene glycol diglycidylether：0.12 mass parts, 2,4- methyl diisocyanates：0.03 mass
Part, colloidal silicon dioxide：12.5 mass parts, sulfosuccinic diethyl phthalate sodium salt：0.8 mass parts, carboxymethyl cellulose：4.2 matter
Measure part, chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether：5.0 mass parts, calcium chloride：4.0 mass parts, ammonium persulfate：0.06 matter
Measure part；（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the first of 30wt%
Base acrylamide-2-methyl propane sulfonic aqueous solution, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the calcium chloride of 20wt%
Aqueous solution；（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Methacrylamide -2- the methyl-prop of configuration
Sulfonic acid aqueous solution, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, sulfosuccinic diethyl phthalate sodium salt and colloid two is added
Silica；Then step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, and is then added ethylene glycol diglycidylether, and 2,
4- methyl diisocyanate and carboxymethyl cellulose are stirred, and calcium chloride water and ammonium persulfate is then added, continue into
Row stirring increases temperature to 80 DEG C, and reaction stirring 3 ~ 5 hours obtains gel；（4）Gel is entered in whizzer, it is dry
Temperature is 150 DEG C, and the dry particle that moisture content is 8wt% is obtained after dry, then by dry particle into carrying out powder in people's pulverizer
Broken, then sub-sieve obtains the water suction granular polymer that partial size is 15 ~ 200 μm.
Embodiment 7
The water suction granular polymer of the present embodiment is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：88.0 mass parts, Methacrylamide -2- methyl propane sulfonic acid：12.0 mass parts, hydrogen
Sodium oxide molybdena：24. 8 mass parts, ethylene glycol diglycidylether：0.12 mass parts, 2,4- methyl diisocyanates：0.03 mass
Part, colloidal silicon dioxide：13.0 mass parts, alkyl phenol ether sulfosuccinates：0.8 mass parts, carboxymethyl cellulose：4.5 matter
Measure part, chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether：5.0 mass parts, calcium chloride：4.0 mass parts, ammonium persulfate：0.05 matter
Measure part；（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the first of 30wt%
Base acrylamide-2-methyl propane sulfonic aqueous solution, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the calcium chloride of 20wt%
Aqueous solution；（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Methacrylamide -2- the methyl-prop of configuration
Sulfonic acid aqueous solution, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, alkyl phenol ether sulfosuccinates and colloid two is added
Silica；Then step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, and is then added ethylene glycol diglycidylether, and 2,
4- methyl diisocyanate and carboxymethyl cellulose are stirred, and calcium chloride water and ammonium persulfate is then added, continue into
Row stirring increases temperature to 80 DEG C, and reaction stirring 3 ~ 5 hours obtains gel；（4）Gel is entered in whizzer, it is dry
Temperature is 150 DEG C, and the dry particle that moisture content is 8wt% is obtained after dry, then by dry particle into carrying out powder in people's pulverizer
Broken, then sub-sieve obtains the water suction granular polymer that partial size is 15 ~ 200 μm.
Comparative example 5
The water suction granular polymer of this comparative example is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：100.0 mass parts, sodium hydroxide：24. 8 mass parts, ethylene glycol diglycidyl
Ether：0.12 mass parts, 2,4- methyl diisocyanates：0.03 mass parts, colloidal silicon dioxide：13.0 mass parts, alkyl phenol ether
Sulfosuccinates：0.8 mass parts, carboxymethyl cellulose：4.5 mass parts, chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether：
5.0 mass parts, calcium chloride：4.0 mass parts, ammonium persulfate：0.05 mass parts；（2）Required solution is pre-configured with water：Configuration
Concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the sodium hydrate aqueous solution of 25wt%, and concentration is that the calcium chloride of 20wt% is water-soluble
Liquid；（3）In step（2）Chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, alkyl phenol ether are added in the acrylic acid aqueous solution of configuration
Sulfosuccinates and colloidal silicon dioxide；Then step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, then plus
Enter ethylene glycol diglycidylether, 2,4- methyl diisocyanates and carboxymethyl cellulose are stirred, and calcium chloride is then added
Aqueous solution and ammonium persulfate continue to stir, and increase temperature to 80 DEG C, reaction stirring 3 ~ 5 hours obtains gel；（4）It will coagulate
Glue enters in whizzer, and drying temperature is 150 DEG C, and the dry particle that moisture content is 8wt% is obtained after dry, then will be done
Dry particle is into crushing in people's pulverizer, and then sub-sieve obtains the water suction granular polymer that partial size is 15 ~ 200 μm.
Comparative example 6
The water suction granular polymer of this comparative example is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：88.0 mass parts, Methacrylamide -2- methyl propane sulfonic acid：12.0 mass parts, hydrogen
Sodium oxide molybdena：24. 8 mass parts, ethylene glycol diglycidylether：0.12 mass parts, 2,4- methyl diisocyanates：0.03 mass
Part, carboxymethyl cellulose：4.5 mass parts, chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether：5.0 mass parts, calcium chloride：4.0
Mass parts, ammonium persulfate：0.05 mass parts；（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid of 30wt%
Aqueous solution, concentration are the Methacrylamide -2- methyl propane sulfonic acid aqueous solution of 30wt%, and concentration is that the sodium hydroxide of 25wt% is water-soluble
Liquid, concentration are the calcium chloride water of 20wt%；（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Configuration
Methacrylamide -2- methyl propane sulfonic acid aqueous solution, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether is added；Then it is added
Step（2）The sodium hydrate aqueous solution of configuration neutralizes, and ethylene glycol diglycidylether, 2,4- methyl diisocyanates are then added
It is stirred with carboxymethyl cellulose, calcium chloride water and ammonium persulfate is then added, continues to stir, increase temperature extremely
80 DEG C, reaction stirring 3 ~ 5 hours obtains gel；（4）Gel is entered in whizzer, drying temperature is 150 DEG C, dry
The dry particle that moisture content is 8wt% is obtained afterwards, and then by dry particle into crushing in people's pulverizer, then sub-sieve is obtained
The water suction granular polymer that partial size is 15 ~ 200 μm.
Comparative example 7
The water suction granular polymer of this comparative example is prepared by the following steps to obtain：（1）According to the mass parts of each component raw material
The separately sampled weighing of number：Wherein, acrylic acid：88.0 mass parts, Methacrylamide -2- methyl propane sulfonic acid：12.0 mass parts, hydrogen
Sodium oxide molybdena：24. 8 mass parts, ethylene glycol diglycidylether：0.12 mass parts, 2,4- methyl diisocyanates：0.03 mass
Part, colloidal silicon dioxide：13.0 mass parts, alkyl sodium phosphate：0.8 mass parts, carboxymethyl cellulose：4.5 mass parts are gathered
Fatty acid glyceride：5.0 mass parts, calcium chloride：4.0 mass parts, ammonium persulfate：0.05 mass parts；（2）It is pre-configured with water
Required solution：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the Methacrylamide -2- methyl-prop sulphur of 30wt%
Aqueous acid, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the calcium chloride water of 20wt%；（3）In step（2）Match
Step is added in the acrylic acid aqueous solution set（2）Methacrylamide -2- methyl propane sulfonic acid the aqueous solution of configuration, and be added gather it is sweet
Oil and fat acid esters, alkyl sodium phosphate and colloidal silicon dioxide；Then step is added（2）The sodium hydroxide of configuration is water-soluble
Liquid neutralizes, and ethylene glycol diglycidylether is then added, 2,4- methyl diisocyanates and carboxymethyl cellulose are stirred, so
Calcium chloride water and ammonium persulfate are added afterwards, continues to stir, increases temperature to 80 DEG C, reaction stirring 3 ~ 5 hours obtains
Gel；（4）Gel is entered in whizzer, drying temperature is 150 DEG C, and the drying that moisture content is 8wt% is obtained after dry
Grain, then by dry particle into crushing in people's pulverizer, then it is granular poly- to obtain the water suction that partial size is 15 ~ 200 μm for sub-sieve
Close object.
The performance detection of water suction granular polymer prepared by embodiment 5 ~ 7 and comparative example 5 ~ 7 is referring to GB/T20405.5-
2006 standard carries out, and performance is as shown in table 2.
Table 2
| Embodiment 5 | Embodiment 6 | Embodiment 7 | Comparative example 5 | Comparative example 6 | Comparative example 7 | |
| Normal pressure imbibition rate（g/g） | 150 | 132 | 152 | 120 | 151 | 149 |
| Water absorption rate（g/g） | 580 | 539 | 592 | 513 | 585 | 579 |
| Water retention（g/g） | 78 | 71 | 79 | 33 | 35 | 35 |
For the ordinary skill in the art, specific embodiment is only exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as use the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities, or not improved the conception and technical scheme of the invention are directly applied to other occasions
, it is within the scope of the present invention.
Claims (7)
1. a kind of sanitary pads have the liquid permeable cover towards body surface, and the prevention towards garment surface
The backsheet layer of Liquid Penetrant；And the absorber between the cover and backsheet layer is set；The centre two of the backsheet layer
Lateral edge width direction be provided with the first flank and the second flank, it is characterised in that：The backsheet layer by polyethylene nonwoven with
And it dip-coating aqueous functional coating agent and is obtained within curing process 3.5 ~ 5.0 minutes in 85 ~ 95 DEG C on the polyethylene nonwoven
Functional coating is formed, and the coating amount of the functional coating is 1.0 ~ 1.2 mg/cm2；The aqueous functional coating agent by 18 ~
4, the 4- '-diphenylmethane diisocyanate of 20 mass parts, the polytetrahydrofuran ether glycol of 10 ~ 12 mass parts, 2 ~ 3 mass parts are gathered
Propylene oxide diamines, the 2- methyl-1 of 1 ~ 2 mass parts, 3-propanediol, the modified manometer silicon dioxide of 2.0 ~ 2.5 mass parts,
The styrene maleic anhydride copolymer of 2.5 ~ 3.0 mass parts, the catalyst of 0.20 ~ 0.25 mass parts and 0.1 ~ 0.2 mass parts
Antioxidant reacts 1.5 ~ 2.0 hours at 75 ~ 80 DEG C；It is cooled to the deionized water that 80 ~ 100 mass parts are added after room temperature, 8 ~ 10
The sodium carboxymethylcellulose of mass parts, the polyvinylpyrrolidone of 3 ~ 5 mass parts, the dimethylformamide of 3 ~ 5 mass parts, stirring
And the aqueous functional coating agent can be obtained after dispersing.
2. sanitary pads according to claim 1, it is characterised in that：The modified manometer silicon dioxide is by the following method
It is prepared：（1）The maleic acid double focusing ethylene glycol for being 5 ~ 8wt% of nano silica by quality（400）Ester phthalic anhydride condensation product sulfonic acid
Sodium be added deionized water in, under the mixing speed of 800 ~ 1000 rpm stir 15 ~ 20 min in formed concentration be 1.5 ~
The aqueous phase system of 2.0wt%；（2）The cetyl two for being 10 ~ 12wt% of nano silica by nano silica and quality
Methylethyl ammonium bromide is distributed in glycidyl methacrylate in the case where revolving speed is the mixing speed of 800 ~ 1000 rpm and obtains
To oil-based system；（3）By step（2）Obtained oil-based system is added to step（1）In obtained aqueous phase system, 1800 ~
15 ~ 20 min are stirred under the mixing speed of 2000 rpm and obtain mixed liquor, and are transferred in reactor, in N2Under atmosphere protection,
The peroxidized t-butyl perbenzoate of 0.5 ~ 1.0wt% of glycidyl methacrylate quality is added in lasting stirring, then 80 ~
2 hours are reacted under conditions of 85 DEG C, being then filtered, washed and dried can be obtained the modified manometer silicon dioxide.
3. sanitary pads according to claim 1, it is characterised in that：The absorber is the water suction grain coated with non-woven fabrics
Shaped polymer.
4. sanitary pads according to claim 3, it is characterised in that：The water suction granular polymer is prepared by the following steps
It obtains：
（1）According to the separately sampled weighing of the mass fraction of each component raw material：Wherein, acrylic acid：88.0 ~ 90.0 mass parts, methyl
Acrylamide-2-methyl propane sulfonic：10.0 ~ 12.0 mass parts, sodium hydroxide：24.2 ~ 25.8 mass parts, ethylene glycol two shrink sweet
Oily ether：0.10 ~ 0.12 mass parts, 2,4- methyl diisocyanates：0.02 ~ 0.03 mass parts, colloidal silicon dioxide：12.0~
13.0 mass parts, succinate or salt：0.6 ~ 0.8 mass parts, carboxymethyl cellulose：3.9 ~ 4.5 mass parts, chlorination 2- hydroxypropyl
Trimethyl ammonium starch ether：4.8 ~ 5.0 mass parts, calcium chloride：3.5 ~ 4.0 mass parts, ammonium persulfate：0.05 ~ 0.06 mass parts；
（2）Required solution is pre-configured with water：Configuration concentration is the acrylic acid aqueous solution of 30wt%, and concentration is the methyl of 30wt%
Acrylamide-2-methyl propane sulfonic aqueous solution, concentration are the sodium hydrate aqueous solution of 25wt%, and concentration is the calcium chloride water of 20wt%
Solution；
（3）In step（2）Step is added in the acrylic acid aqueous solution of configuration（2）Methacrylamide -2- methyl-prop the sulphur of configuration
Aqueous acid, and chlorination 2- Hydroxyproyl Trimethyl ammonium starch ether, succinate or salt and colloidal silicon dioxide is added；So
After step is added（2）The sodium hydrate aqueous solution of configuration neutralizes, and ethylene glycol diglycidylether is then added, 2,4- methyl two are different
Cyanate and carboxymethyl cellulose are stirred, and calcium chloride water and ammonium persulfate is then added, continues to stir, and are increased
For temperature to 75 ~ 80 DEG C, reaction stirring 3 ~ 5 hours obtains gel；
（4）The water suction granular polymer can be obtained after gel drying is crushed.
5. sanitary pads according to claim 4, it is characterised in that：The partial size of the water suction granular polymer is 15 ~ 200
μm。
6. sanitary pads according to claim 4, it is characterised in that：The succinate or salt are selected from alkyl phenol ether sulfonation
At least one of succinate or sulfosuccinic diethyl phthalate sodium salt.
7. sanitary pads according to claim 4, it is characterised in that：The colloidal silicon dioxide is prepared using silicon dissolution method
It obtains, and SiO in the colloidal silicon dioxide2Mass fraction be 30 ~ 35%, partial size be 20 ~ 30 nm.
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|---|---|---|---|
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| CN104997593A (en) * | 2015-08-03 | 2015-10-28 | 黄文鹏 | Sanitary pad absorbing menstrual blood |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10210124A1 (en) * | 2002-03-08 | 2003-09-18 | Basf Ag | Polymer mixtures with improved odor control |
| CN1678262A (en) * | 2002-09-12 | 2005-10-05 | 宝洁公司 | Absorbent article including airlaid mixture material containing thermoplastic fibers treated with phosphate ester or sulfate ester |
| CN101484193A (en) * | 2006-07-03 | 2009-07-15 | 巴斯夫欧洲公司 | Method for producing water-absorbing composite materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10210124A1 (en) * | 2002-03-08 | 2003-09-18 | Basf Ag | Polymer mixtures with improved odor control |
| CN1678262A (en) * | 2002-09-12 | 2005-10-05 | 宝洁公司 | Absorbent article including airlaid mixture material containing thermoplastic fibers treated with phosphate ester or sulfate ester |
| CN101484193A (en) * | 2006-07-03 | 2009-07-15 | 巴斯夫欧洲公司 | Method for producing water-absorbing composite materials |
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