CN112321791A - Polyurethane material for mop - Google Patents
Polyurethane material for mop Download PDFInfo
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- CN112321791A CN112321791A CN202010997729.6A CN202010997729A CN112321791A CN 112321791 A CN112321791 A CN 112321791A CN 202010997729 A CN202010997729 A CN 202010997729A CN 112321791 A CN112321791 A CN 112321791A
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- polyurethane material
- mop
- polyurethane
- parts
- vegetable
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- 239000000463 material Substances 0.000 title claims abstract description 46
- 239000004814 polyurethane Substances 0.000 title claims abstract description 42
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 41
- 229920005862 polyol Polymers 0.000 claims abstract description 45
- 150000003077 polyols Chemical class 0.000 claims abstract description 45
- 239000003054 catalyst Substances 0.000 claims abstract description 41
- 239000006260 foam Substances 0.000 claims abstract description 31
- 239000012948 isocyanate Substances 0.000 claims abstract description 30
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910001868 water Inorganic materials 0.000 claims abstract description 23
- 239000003381 stabilizer Substances 0.000 claims abstract description 21
- 239000004970 Chain extender Substances 0.000 claims abstract description 20
- 150000001412 amines Chemical class 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000004088 foaming agent Substances 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 150000002902 organometallic compounds Chemical class 0.000 claims abstract description 9
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000005187 foaming Methods 0.000 claims description 17
- 235000013311 vegetables Nutrition 0.000 claims description 16
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 150000002736 metal compounds Chemical class 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- GTEXIOINCJRBIO-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]-n,n-dimethylethanamine Chemical compound CN(C)CCOCCN(C)C GTEXIOINCJRBIO-UHFFFAOYSA-N 0.000 claims description 4
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 4
- MSYNCHLYGJCFFY-UHFFFAOYSA-B 2-hydroxypropane-1,2,3-tricarboxylate;titanium(4+) Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O MSYNCHLYGJCFFY-UHFFFAOYSA-B 0.000 claims description 3
- JAEQOSKUYPMJAT-UHFFFAOYSA-N 4-(2-methoxyethyl)morpholine Chemical compound COCCN1CCOCC1 JAEQOSKUYPMJAT-UHFFFAOYSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 claims description 3
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 claims description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 229920002472 Starch Polymers 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000008107 starch Substances 0.000 abstract description 5
- 235000019698 starch Nutrition 0.000 abstract description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 26
- 239000011496 polyurethane foam Substances 0.000 description 26
- 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 11
- 239000004372 Polyvinyl alcohol Substances 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 8
- 239000004359 castor oil Substances 0.000 description 5
- 235000019438 castor oil Nutrition 0.000 description 5
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- 229920001228 polyisocyanate Polymers 0.000 description 4
- 239000005056 polyisocyanate Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- 229920002396 Polyurea Polymers 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- -1 cycloaliphatic Chemical group 0.000 description 3
- 239000006261 foam material Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000013012 foaming technology Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000022 bacteriostatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- WSFMFXQNYPNYGG-UHFFFAOYSA-M dimethyl-octadecyl-(3-trimethoxysilylpropyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC[Si](OC)(OC)OC WSFMFXQNYPNYGG-UHFFFAOYSA-M 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/14—Polyurethanes having carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The application relates to a polyurethane material for a mop, which is prepared from a polyurethane composition, wherein the polyurethane composition comprises the following components in percentage by mass: 7.5-15 parts of a polyol component; 15-30 parts of an isocyanate component; 0.2-3 parts of a chain extender; 0.1-3 parts of an organometallic compound catalyst; 0.2-10 parts of amine catalyst; 0.2-5 parts of foam stabilizer; 1-5 parts of foaming agent. The use of the product of the invention greatly improves the water absorption capacity and the service life of the collodion, simultaneously, starch and water are not consumed in the production process, the problems of high energy consumption and high pollution in the production process are solved, and the difficult problem of the industry that the product is easy to harden in the mop industry is solved.
Description
Technical Field
The invention belongs to the technical field of cleaning supplies, and particularly relates to a polyurethane material for a mop.
Background
The household cleaning products widely adopt high polymer foam materials as base materials, particularly, after polyvinyl alcohol (PVA) formal foams are successfully developed by British Vilterx corporation in 1945, PVA collodion cotton foaming and production processes are more and more diversified, and the application in the household cleaning products is more and more extensive. But along with the continuous improvement of people's standard of living, the quality requirement to daily necessities is also higher and higher, and traditional PVA collodion's performance is not ideal enough, and the shortcoming is prominent gradually: the production process needs to consume a large amount of water (about 30 tons of water are consumed for producing 1 ton of products), and the resource consumption is high; secondly, starch is needed in the production process, and the use of the starch can generate higher chemical oxygen demand to cause water body pollution; the material is easy to dry and hard, and is not beneficial to household life; PVA belongs to thermosetting material, is not easy to degrade and belongs to restricted material in the United states and European Union. In order to save energy, reduce pollution and comply with the social theme of green continuous development, a novel high-performance collodion material is urgently needed to be found.
Polyurethane (PU) generally refers to a generic name of high-molecular polymers having a molecular structure containing repeating urethane groups (-NHCOO-). With the stricter and stricter environmental requirements, the waterborne polyurethane has been rapidly developed in recent years as a novel polymer material which is developed vigorously, so that excellent and wide application performance is gradually displayed, and the performance of the waterborne polyurethane is continuously improved through the efforts of a large number of scientific researchers, so that the waterborne polyurethane is applied to more occasions.
Disclosure of Invention
The application provides a polyurethane material for a mop, which is prepared from a polyurethane composition, wherein the polyurethane composition comprises the following components in percentage by mass:
in one embodiment, the polyol component is one or more of a vegetable-based polyol blended with polyethylene glycol, a vegetable-based polyol blended with diethylene glycol, a vegetable-based polyol blended with pentaerythritol, a vegetable-based polyol blended with 1, 4-butanediol.
In one embodiment, the isocyanate component is one or more of liquefied MDI, polymeric MDI, hydrogenated MDI, TDI.
In one embodiment, the chain extender is selected from one or more of 1, 4-butanediol, 1, 6-hexanediol, glycerol, trimethylolpropane, diethylene glycol (DEG), triethylene glycol, neopentyl glycol (NPG), sorbitol.
In one embodiment, the organometallic compound catalyst is selected from one or more of stannous octoate, dibutyltin dilaurate, isopropyl titanate, titanium citrate, dibutyltin oxide.
In one embodiment, the amine catalyst is selected from one or more of bis- (2-dimethylaminoethyl) ether, diethylenetriamine, pentamethyldiethylenetriamine, N-dimethylcyclohexylamine, 4-methoxyethylmorpholine.
In one embodiment, the foam stabilizer is a polysilane-alkylene oxide block copolymer silicone oil.
In one embodiment, the foaming agent is one or more of calcium carbonate, magnesium carbonate, sodium bicarbonate, water, n-pentane, and n-hexane.
In one embodiment, the resulting polyurethane material has the following specifications:
density: 0.03-0.035g/cm3；
Water absorption rate: > 5;
tensile strength: >0.35 MPa;
elongation percentage: > 200%;
permanent compression set: < 5%.
In one embodiment, the polyurethane material is prepared by:
(1) adding the polyol component and the isocyanate component into a reaction kettle, stirring and blending, keeping the rotating speed of 800-8000r/min at the temperature of 15-85 ℃, and stirring for 0.2-3 hours;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 0.5-5 hours at the temperature of 15-85 ℃;
(3) and (3) pouring the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 30-180 ℃, foaming for 1-15 minutes, and extruding to obtain the polyurethane material.
Aiming at the problems of high energy consumption, heavy pollution, easy hardening, difficult degradation and the like of the traditional polyvinyl alcohol collodion for the mop, the invention selects polyurethane as a base material, adds a certain amount of chain extender, organic metal compound catalyst, amine catalyst, foam stabilizer and foaming agent, adopts a supercritical foaming technology to foam, and prepares the polyurethane foam material with micron-sized pore channels by controlling the consumption and the foaming rate of the foaming agent. The use of the product of the invention greatly improves the water absorption capacity and the service life of the collodion, simultaneously, starch and water are not consumed in the production process, the problems of high energy consumption and high pollution in the production process are solved, and the difficult problem of the industry that the product is easy to harden in the mop industry is solved.
Drawings
FIG. 1 is a Scanning Electron Microscope (SEM) image of the internal structure of the polyurethane superabsorbent sponge for mops obtained in example 1.
Detailed Description
The technical solution of the present invention is further explained below according to specific embodiments. The scope of protection of the invention is not limited to the following examples, which are set forth for illustrative purposes only and are not intended to limit the invention in any way.
The application provides a polyurethane material for a mop, which is prepared from a polyurethane composition, wherein the polyurethane composition comprises the following components in percentage by mass:
in the polyurethane composition used to prepare the polyurethane foam of the present application, it comprises a polyol component. In one embodiment, the polyol component is selected from one or more of a plant based polyol, polyethylene glycol, diethylene glycol, trimethylolpropane, pentaerythritol, 1, 4-butanediol. Preferably, the polyol component is selected from the group consisting of a mixture of a vegetable-based polyol and polyethylene glycol, a mixture of a vegetable-based polyol and diethylene glycol, a mixture of a vegetable-based polyol and pentaerythritol, and a mixture of a vegetable-based polyol and 1, 4-butanediol.
The plant-based polyol used in the present application is a polyol obtained from a plant derivative, and includes a natural castor oil polyol and a castor oil derivative polyol, and has a functionality of 2 to 3 and a hydroxyl value of 85 to 165 mgKOH/g. When a combination of vegetable-based polyols and other polyols is used, the vegetable-based polyols typically constitute from 70% to 100%, preferably from 80% to 95%, of the total weight of the vegetable-based polyols and other polyols. The use of vegetable-based polyols in the present invention has the following advantages: so that the polyurethane foam has degradable characteristics.
In the polyurethane composition used to prepare the polyurethane foam of the present application, it comprises an isocyanate component. The isocyanate component is aliphatic, cycloaliphatic, alicyclic and/or aromatic polyisocyanates and derivatives thereof. According to some embodiments, the isocyanate component includes at least one aromatic isocyanate (e.g., at least one aromatic polyisocyanate). For example, the isocyanate component may include an aromatic diisocyanate, such as at least one isomer of diphenylmethane diisocyanate (MDI), liquefied MDI, and/or higher functionality polymethylene polyphenylisocyanate. As used herein, MDI refers to an isocyanate selected from the group consisting of: diphenylmethane diisocyanate isomers, polyphenylmethylene polyisocyanates and derivatives thereof having at least two isocyanate groups. In some embodiments, the MDI has an average of 2 to 3.5 (e.g., 2 to 3.2) isocyanate groups per molecule. In one embodiment, the isocyanate component is selected from one or more of liquefied MDI, polymeric MDI, hydrogenated MDI, TDI (toluene diisocyanate).
In the present application, the isocyanate index of the composition is generally controlled to be in the range of 80 to 120, for example 90 to 110. As used herein, the "isocyanate index" is 100 times the ratio of isocyanate groups to isocyanate-reactive groups, respectively, provided to the reaction mixture by the isocyanate component. The isocyanate index is represented by the following equation: isocyanate index ═ (NCO equivalents/active hydrogen equivalents) x100, where NCO equivalents are the number of NCO functional groups in the polyisocyanate and active hydrogen equivalents are the number of equivalents of active hydrogen atoms. The isocyanate index of 100 corresponds to the presence of one isocyanate group per isocyanate-reactive hydrogen atom (e.g., hydrogen atoms from water and polyol compositions). Higher isocyanate index means higher amount of isocyanate-containing reactant.
In the polyurethane composition used to prepare the polyurethane foam of the present application, it comprises a chain extender component. The chain extender is selected from one or more of 1, 4-butanediol, 1, 6-hexanediol, diethylene glycol (DEG), glycerol, trimethylolpropane, triethylene glycol, neopentyl glycol (NPG) and sorbitol. In the present application, the use of the chain extender component serves to improve the mechanical properties of the polyurethane foam.
In the polyurethane composition used to prepare the polyurethane foam of the present application, it comprises a catalyst. In one embodiment, the catalyst comprises an organometallic compound catalyst in combination with an amine catalyst. In one embodiment, the organometallic compound catalyst is selected from one or more of stannous octoate, dibutyltin dilaurate, isopropyl titanate, titanium citrate, dibutyltin oxide; the amine catalyst is selected from one or more of bis- (2-dimethylaminoethyl) ether, diethylenetriamine, pentamethyldiethylenetriamine, N-dimethylcyclohexylamine and 4-methoxyethyl morpholine. Such a catalyst combination has the following advantages: the gel reaction and the foaming reaction are balanced, and stable foaming and uniform foam structure are realized.
In the polyurethane composition used to prepare the polyurethane foam of the present application, it comprises a blowing agent and a foam stabilizer.
In one embodiment, the blowing agent may be selected from one or more of calcium carbonate, calcium bicarbonate, magnesium carbonate, sodium bicarbonate, water, n-pentane, n-hexane. The bacteriostatic agent can be (trimethoxysilylpropyl) octadecyl dimethyl ammonium chloride. Foam homogenizers, also known as foam stabilizers, belong to the group of surfactants; can increase the solubility of each component, and plays the roles of emulsifying foam materials, stabilizing foams and regulating cells. The precipitation of insoluble polyureas during foam formation can destabilize the foam. An important function of the foam stabilizer is to disperse the polyurea and to increase the compatibility of the polyurea with the foam matrix. The foam stabilizer used is mostly polyether modified organosilicon surfactant, and the main structure of the foam stabilizer is polysilane-oxyalkylene block copolymer, such as American Mediterranean high-resilience silicone oil Y-10366.
In one embodiment, the polyurethane foam may be prepared as follows:
(1) adding the polyol component and the isocyanate component into a reaction kettle, stirring and blending, keeping the rotating speed of 800-8000r/min at the temperature of 15-85 ℃, and stirring for 0.2-3 hours;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 0.5-5 hours at the temperature of 15-85 ℃;
(3) and (3) introducing the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 30-180 ℃, the pressure to be 5-15MPa, foaming for 1-15 minutes, and extruding to obtain the polyurethane foam material.
In the invention, the supercritical foaming machine has the following advantages: the prepared polyurethane foam has lower density; under the same density condition, the foam has larger cell density and more uniform cells.
In one embodiment, the resulting material has the following specifications:
density: 0.03-0.035g/cm3
Water absorption rate: > 5;
tensile strength: >0.35 MPa;
elongation percentage: > 200%;
permanent compression set: < 5%.
The material has good biodegradability, and can be completely degraded within 5 years; meanwhile, the service life of the mop is 10 ten thousand times, and the mop is very suitable for being used as mop raw materials.
Aiming at the problems of high energy consumption, heavy pollution, easy hardening, difficult degradation and the like of the traditional polyvinyl alcohol collodion for the mop, the invention selects polyurethane as a base material, adds a certain amount of chain extender, organic metal compound catalyst, amine catalyst, foam stabilizer and foaming agent, and adopts a supercritical foaming technology to foam to prepare the polyurethane foam material with micron-sized pore channels. The use of the product of the invention greatly improves the water absorption capacity and the service life of the collodion, simultaneously, starch and water are not consumed in the production process, the problems of high energy consumption and high pollution in the production process are solved, and the difficult problem of the industry that the product is easy to harden in the mop industry is solved.
The technical solution of the present invention is further described below with reference to specific embodiments, but is not limited thereto.
Example 1
The polyurethane foam material for the mop comprises the following components in parts by mass: 10 parts of a polyol component; 20 parts of an isocyanate component; 0.5 part of a chain extender; 0.1 part of an organometallic compound catalyst; 0.2 part of amine catalyst; 1 part of foam stabilizer; 1 part of foaming agent.
The polyol component is castor oil polyol (f is 2, and the hydroxyl value is 86.1mgKOH/g) and polyethylene glycol blend (the mass ratio is 4: 1);
the isocyanate component is liquefied MDI;
the chain extender is 1, 6-hexanediol;
the organometallic compound catalyst is isopropyl titanate;
the amine catalyst is diethylenetriamine;
the foam stabilizer is polysilane-oxyalkylene segmented copolymer silicone oil;
the foaming agent is calcium carbonate.
The preparation of the polyurethane foam material for the mop comprises the following steps:
(1) adding the polyol component and the isocyanate component into a reaction kettle according to the proportion of 1:2, stirring and blending, keeping the rotating speed of 800r/min at 75 ℃, and stirring for 0.2 hour;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 2 hours at the temperature of 65 ℃;
(3) and (3) introducing the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 150 ℃, foaming for 10 minutes, and extruding to obtain the polyurethane foam material for the white mop.
Example 2
The polyurethane foam material for the mop comprises the following components in parts by mass: 10 parts of a polyol component; 20 parts of an isocyanate component; 2 parts of a chain extender; 0.2 part of an organometallic compound catalyst; 0.3 part of amine catalyst; 0.8 part of foam stabilizer; 2 parts of foaming agent.
The polyol component is castor oil polyol (f is 2, and the hydroxyl value is 86.1mgKOH/g) and 1, 4-butanediol which are blended (the mass ratio is 5: 1);
the isocyanate component is TDI;
the chain extender is glycerol;
the organic metal compound catalyst is stannous octoate;
the amine catalyst is bis- (2-dimethylaminoethyl) ether;
the foam stabilizer is polysilane-oxyalkylene segmented copolymer silicone oil;
the foaming agent is water.
The preparation of the polyurethane foam material for the mop comprises the following steps:
(1) adding the polyol component and the isocyanate component into a reaction kettle according to the proportion of 1:2, stirring and blending, keeping the rotation speed of 1000/min at 85 ℃, and stirring for 0.4 hour;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 2 hours at the temperature of 75 ℃;
(3) and (3) introducing the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 160 ℃, foaming for 15 minutes, and extruding to obtain the polyurethane foam material for the white mop.
Example 3
The polyurethane foam material for the mop comprises the following components in parts by mass: 10 parts of a polyol component; 20 parts of an isocyanate component; 3 parts of a chain extender; 0.1 part of an organometallic compound catalyst; 0.3 part of amine catalyst; 3 parts of a foam stabilizer; and 3 parts of a foaming agent.
The polyol component is castor oil polyol (f is 2, and the hydroxyl value is 86.1mgKOH/g) and polyethylene glycol are blended (mass ratio);
the isocyanate component is polymeric MDI;
the chain extender is 1, 4-butanediol;
the organic metal compound catalyst is dibutyltin dilaurate;
the amine catalyst is pentamethyldiethylenetriamine;
the foam stabilizer is polysilane-oxyalkylene segmented copolymer silicone oil;
the foaming agent is water.
The preparation of the polyurethane foam material for the mop comprises the following steps:
(1) adding the polyol component and the isocyanate component into a reaction kettle according to the proportion of 1:2, stirring and blending, keeping the rotating speed of 800r/min at 85 ℃, and stirring for 0.8 hour;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 1 hour at the temperature of 65 ℃;
(3) and (3) introducing the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 120 ℃, foaming for 15 minutes, and extruding to obtain the polyurethane foam material for the white mop.
Test example
The properties of the polyurethane foams obtained in examples 1 to 3 were measured, and the results were as follows:
TABLE 1 EXAMPLES 1-3 polyurethane foam Properties
The water absorption capacity can be measured according to GB/T8810-2005, and other parameters can be measured according to standard methods.
The results show that the polyurethane foam material prepared based on the invention has good water absorption performance, and the water absorption rate is more than or equal to 600 percent and is superior to the water absorption rate (300-400 percent) of the polyvinyl alcohol foam material.
Fig. 1 shows a Scanning Electron Microscope (SEM) image of the internal structure of the polyurethane foam material for a mop obtained in example 1, and the result shows that the prepared polyurethane foam material has a micro-scale pore structure and an open pore structure, and gives polyurethane good water absorption performance.
It should be noted by those skilled in the art that the described embodiments of the present invention are merely exemplary and that various other substitutions, alterations, and modifications may be made within the scope of the present invention. Accordingly, the present invention is not limited to the above-described embodiments, but is only limited by the claims.
Claims (10)
1. A polyurethane material for a mop, which is made of a polyurethane composition comprising the following components by mass:
2. the polyurethane material for a mop according to claim 1, wherein the polyol component is one or more of a vegetable-based polyol blended with polyethylene glycol, a vegetable-based polyol blended with diethylene glycol, a vegetable-based polyol blended with pentaerythritol, a vegetable-based polyol blended with 1, 4-butanediol.
3. The polyurethane material for a mop of claim 1, wherein the isocyanate component is one or more of liquefied MDI, polymeric MDI, hydrogenated MDI, TDI.
4. The polyurethane material for a mop according to claim 1, wherein the chain extender is one or more selected from 1, 4-butanediol, 1, 6-hexanediol, glycerol, trimethylolpropane, diethylene glycol (DEG), triethylene glycol, neopentyl glycol (NPG), and sorbitol.
5. The polyurethane material for a mop according to claim 1, wherein the organometallic compound catalyst is selected from one or more of stannous octoate, dibutyltin dilaurate, isopropyl titanate, titanium citrate, dibutyltin oxide.
6. The polyurethane material for a mop according to claim 1, wherein the amine catalyst is one or more selected from bis- (2-dimethylaminoethyl) ether, diethylenetriamine, pentamethyldiethylenetriamine, N-dimethylcyclohexylamine, and 4-methoxyethylmorpholine.
7. The polyurethane material for a mop according to claim 1, wherein the foam stabilizer is a polysilane-oxyalkylene block copolymer silicone oil.
8. The polyurethane material for a mop as claimed in claim 1, wherein the foaming agent is one or more of calcium carbonate, magnesium carbonate, sodium bicarbonate, water, n-pentane and n-hexane.
9. A polyurethane material for a mop as defined in claim 1, wherein the resulting polyurethane material has the following specifications:
density: 0.03-0.035g/cm3；
Water absorption rate: > 5;
tensile strength: >0.35 MPa;
elongation percentage: > 200%;
permanent compression set: < 5%.
10. The polyurethane material for a mop of claim 1, wherein the polyurethane material is prepared by:
(1) adding the polyol component and the isocyanate component into a reaction kettle, stirring and blending, keeping the rotating speed of 800-8000r/min at the temperature of 15-85 ℃, and stirring for 0.2-3 hours;
(2) adding a chain extender, an organic metal compound catalyst, an amine catalyst, a foam stabilizer and a foaming agent into the reaction kettle in the step (1), and stirring for 0.5-5 hours at the temperature of 15-85 ℃;
(3) and (3) pouring the mixed solution obtained in the step (2) into a supercritical foaming machine, setting the temperature to be 30-180 ℃, foaming for 1-15 minutes, and extruding to obtain the polyurethane material.
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