CN115353602A - Polyurethane cleaning sponge and preparation method thereof - Google Patents

Polyurethane cleaning sponge and preparation method thereof Download PDF

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Publication number
CN115353602A
CN115353602A CN202211082199.8A CN202211082199A CN115353602A CN 115353602 A CN115353602 A CN 115353602A CN 202211082199 A CN202211082199 A CN 202211082199A CN 115353602 A CN115353602 A CN 115353602A
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CN
China
Prior art keywords
component
parts
cleaning sponge
polyurethane
polyurethane cleaning
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.)
Pending
Application number
CN202211082199.8A
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Chinese (zh)
Inventor
杨雷
耿佃勇
荆晓东
孙言丛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shangzheng New Material Technology Co ltd
Original Assignee
Shandong Shangzheng New Material Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Shangzheng New Material Technology Co ltd filed Critical Shandong Shangzheng New Material Technology Co ltd
Priority to CN202211082199.8A priority Critical patent/CN115353602A/en
Publication of CN115353602A publication Critical patent/CN115353602A/en
Pending legal-status Critical Current

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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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • 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
    • C08G18/4829—Polyethers containing at least three hydroxy groups
    • 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
    • C08G2101/00—Manufacture of cellular products
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention belongs to the technical field of polyurethane preparation, and particularly relates to a preparation method of a polyurethane cleaning sponge. The polyurethane cleaning sponge is prepared from a component A and a component B in a mass ratio of 1: (0.8-1.2), wherein the component A comprises the following raw materials in parts by weight: 10-50 parts of polyether polyol; 50-90 parts of polyethylene glycol; 22-50 parts of isocyanate; the component B comprises the following raw materials in parts by weight: 100 parts of water; 5-15 parts of a surfactant; 1-10 parts of a softening agent. The invention provides a polyurethane cleaning sponge which is good in water absorption, good in toughness, strong in dirt-removing power and long in service life, is a non-toxic and harmless friendly sponge, and also provides a preparation method thereof.

Description

Polyurethane cleaning sponge and preparation method thereof
Technical Field
The invention belongs to the technical field of polyurethane preparation, and particularly relates to a preparation method of a polyurethane cleaning sponge.
Background
At present, two sponge products for cleaning clothes and hard surfaces are adopted, one is that the sponge is made into a net bag shape and is filled with soap, washing powder or detergent, and the soap and the washing powder are further smeared on the surface of the sponge; the other method is to remove the dirt by friction with sponge with strong water absorption, such as melamine sponge and wood pulp cotton. The first product has short service life, is inconvenient to use, pollutes water and environment, is not environment-friendly and does not resist temperature. The second melamine sponge is easy to break and crisp, has powder and slag falling and has short service life; the wood pulp cotton is greatly shrunk after being used, is not resistant to temperature and is smaller when being used. In order to achieve the decontamination effect, the existing polyurethane sponge product is usually added with complex components to improve the performance, so that the product has peculiar smell and is harmful, and therefore, the preparation of a friendly polyurethane sponge product by adopting a simple and nontoxic formula is very necessary.
CN111040108B discloses a preparation method of a coarse-pore nontoxic clean sponge material, polyether polyol and toluene-2,4-diisocyanate are reacted to obtain a polyurethane resin component, and the polyurethane resin component, an emulsifier ZS-8345, a pore-forming agent and other foaming components are mixed to obtain a sponge product. The product is non-toxic and harmless, and is good for skin and environment.
CN109320953A discloses a polyurethane sponge, which is prepared from isocyanate and a combined material, wherein the combined material comprises 2-100 parts of polyether polyol composition; 1-60 parts of sodium polyacrylate solution; 1-5.0 parts of organosilicon foam stabilizer. Can produce the slow-rebound polyurethane sponge with the characteristics of hydrophilic and environment-friendly properties.
CN104829800A discloses a polyurethane material with strong decontamination function, which comprises polyether polyol, polymer polyol, toluene diisocyanate, a foaming agent, a foam stabilizer, a catalyst, a detergent and a pore breaking agent, and the density of the prepared material is 10kg/m 3 -50kg/m 3 The product has good degreasing effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a polyurethane cleaning sponge which has good water absorption, good toughness, strong dirt-removing power and long service life, is a nontoxic and harmless friendly sponge, and also provides a preparation method thereof.
The polyurethane cleaning sponge is prepared from a component A and a component B in a mass ratio of 1: (0.8-1.2), wherein the component A comprises the following raw materials in parts by weight:
10-50 parts of polyether polyol
50-90 parts of polyethylene glycol
22-50 parts of isocyanate;
the component B comprises the following raw materials in parts by weight:
100 portions of water
5 to 15 portions of surfactant
1-10 parts of a softening agent.
A polyether polyol having a polyether polyol functionality of 3, a molecular weight of 3300, and a hydroxyl value of 51 mgKOH/g. Preferably, the polyether polyol DEP-505S produced by Zibodegen Federal chemical industry Co., ltd is adopted, and products prepared by adopting the polyether polyol have good elasticity.
Polyethylene glycol having a functionality of 2, a molecular weight of 1000 and a hydroxyl number of 112 mgKOH/g. Preferably, the polyethylene glycol PEG1000 produced by Zibodegen Federal chemical industry Limited company, and the product prepared by the polyethylene glycol has high strength and good toughness.
The isocyanate is TDI.
The surfactant is one of saponin, sodium fatty acid methyl sulfonate and sodium fatty alcohol-polyoxyethylene ether sulfate.
The softening agent is sulfonated succinate.
The preparation method of the polyurethane cleaning sponge comprises the following steps:
(1) Preparing a component A: mixing polyether polyol and polyethylene glycol, heating to 100-120 ℃, vacuumizing and dehydrating for 1.5-2h, then cooling to 45-55 ℃, adding isocyanate, and heating to 70-80 ℃ to obtain a component A;
(2) Preparing a component B: uniformly mixing water, a surfactant and a softening agent to prepare a component B;
(3) Mixing the component A and the component B according to the mass ratio, pouring the mixture into a mold with the temperature of 40-50 ℃, demolding the mixture after 10-12min, and then curing the mixture at normal temperature for 24-48h to obtain the polyurethane cleaning sponge.
The NCO content of the component A prepared in the step (1) is 4-10%.
Compared with the prior art, the invention has the beneficial effects that:
(1) The polyurethane cleaning sponge prepared by the invention has the advantages of good water absorption, good elasticity, high strength, good toughness, strong dirt-removing power and long service life.
(2) The preparation method of the polyurethane cleaning sponge has the advantages of simple process and easy implementation.
(3) The polyurethane cleaning sponge prepared by the invention has the advantages of safe and environment-friendly raw materials, no toxicity and harmlessness in the preparation process, and completely belongs to the friendly polyurethane cleaning sponge.
Detailed Description
The present invention will be further described with reference to the following examples.
DEP-505S described below is a 3-functionality, 3300 molecular weight, 51mgKOH/g polyether polyol, and was produced by the manufacturer Zibode Federal chemical industries, inc.
PEG-1000 is a polyethylene glycol having a functionality of 2, a molecular weight of 1000 and a hydroxyl value of 112mgKOH/g, and the manufacturer is Zibode Federal chemical industries, inc.
TDI is toluene diisocyanate, and the manufacturer is Cangzhou Daghuangsu Co.
All others not mentioned are normal commercial products.
The mass parts in the examples are calculated by mass.
Example 1
The polyurethane cleaning sponge is prepared from a component A and a component B according to the mass ratio of 1.8, wherein the component A comprises the following raw materials in parts by weight:
DEP-505S 10 portions
PEG-1000 parts
27 parts of toluene diisocyanate;
the component B comprises the following raw materials in parts by weight:
100 portions of water
Saponin 5 parts
And 10 parts of sulfonated succinic acid ester.
The preparation method of the polyurethane cleaning sponge comprises the following steps:
(1) Preparing a component A: mixing DEP-505S and PEG-1000, heating to 100 ℃, vacuumizing and dehydrating for 2h, then cooling to 55 ℃, adding toluene diisocyanate, and heating to 70 ℃ to obtain a component A;
(2) Preparing a component B: mixing water, saponin and sulfosuccinate uniformly to obtain component B;
(3) And mixing the component A and the component B according to the mass ratio, pouring the mixture into a mold at 45 ℃, demolding after 10min, and curing at normal temperature for 24h to obtain the polyurethane cleaning sponge.
Example 2
The polyurethane cleaning sponge is prepared from a component A and a component B according to a mass ratio of 1.2, wherein the component A comprises the following raw materials in parts by weight:
50 portions of DEP-505S
PEG-1000 parts
35 parts of toluene diisocyanate;
the component B comprises the following raw materials in parts by weight:
100 portions of water
15 parts of fatty acid methyl sodium sulfonate
And 5 parts of sulfonated succinate.
The preparation method of the polyurethane cleaning sponge comprises the following steps:
(1) Preparing a component A: mixing DEP-505S and PEG-1000, heating to 120 ℃, vacuumizing and dehydrating for 1.5h, then cooling to 45 ℃, adding toluene diisocyanate, and heating to 80 ℃ to obtain a component A;
(2) Preparing a component B: uniformly mixing water, sodium fatty acid methyl sulfonate and sulfonated succinate to prepare a component B;
(3) And mixing the component A and the component B according to the mass ratio, pouring the mixture into a mold at 50 ℃, demolding after 10min, and curing at normal temperature for 24h to obtain the polyurethane cleaning sponge.
Example 3
The polyurethane cleaning sponge is prepared from a component A and a component B according to a mass ratio of 1:1, wherein the component A comprises the following raw materials in parts by weight:
DEP-505S 25 portions
PEG-1000 parts
25 parts of toluene diisocyanate;
the component B comprises the following raw materials in parts by weight:
100 portions of water
10 parts of fatty alcohol-polyoxyethylene ether sodium sulfate
And 5 parts of sulfonated succinate.
The preparation method of the polyurethane cleaning sponge comprises the following steps:
(1) Preparing a component A: mixing DEP-505S and PEG-1000, heating to 110 ℃, vacuumizing and dehydrating for 1.5h, then cooling to 50 ℃, adding isocyanate, and heating to 75 ℃ to obtain a component A;
(2) Preparing a component B: uniformly mixing water, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonated succinate to prepare a component B;
(3) And mixing the component A and the component B according to the mass ratio, pouring the mixture into a mold at 40 ℃, demolding after 12min, and curing at normal temperature for 48h to obtain the polyurethane cleaning sponge.
Comparative example 1
Is a commercially available sponge.
The polyurethane cleaning sponges prepared in the examples and the comparative examples were tested for water absorption, elasticity, strength, toughness, dirt-removing power, and service life, and the test results are shown in table 1.
TABLE 1 application test results
Item Tensile strength/MPa Tear Strength/N/mm Water absorption/%)
Example 1 2.9 18.9 10
Example 2 1.4 12.1 16
Example 3 2.0 14.6 12
Comparative example 1 0.8 8.7 6
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.

Claims (8)

1. A polyurethane cleaning sponge is characterized by comprising a component A and a component B according to a mass ratio of 1: (0.8-1.2), wherein the component A comprises the following raw materials in parts by weight:
10-50 parts of polyether polyol
50-90 parts of polyethylene glycol
22-50 parts of isocyanate;
the component B comprises the following raw materials in parts by weight:
100 portions of water
5 to 15 portions of surfactant
1-10 parts of a softening agent.
2. The polyurethane cleaning sponge according to claim 1, wherein the polyether polyol has a functionality of 3, a molecular weight of 3300 and a hydroxyl number of 51 mgKOH/g.
3. The polyurethane cleaning sponge according to claim 1, wherein the polyethylene glycol has a functionality of 2, a molecular weight of 1000 and a hydroxyl number of 112 mgKOH/g.
4. The polyurethane cleaning sponge according to claim 1, wherein the isocyanate is TDI.
5. The polyurethane cleaning sponge according to claim 1, wherein the surfactant is one of saponin, sodium fatty acid methyl sulfonate, sodium fatty alcohol polyoxyethylene ether sulfate.
6. The polyurethane cleaning sponge according to claim 1, wherein the softening agent is sulfosuccinate.
7. A method of making a polyurethane cleaning sponge according to any one of claims 1 to 6, comprising the steps of:
(1) Preparing a component A: mixing polyether polyol and polyethylene glycol, heating to 100-120 ℃, vacuumizing and dehydrating for 1.5-2h, then cooling to 45-55 ℃, adding isocyanate, and heating to 70-80 ℃ to obtain a component A;
(2) Preparing a component B: uniformly mixing water, a surfactant and a softening agent to prepare a component B;
(3) Mixing the component A and the component B according to the mass ratio, pouring the mixture into a mold with the temperature of 40-50 ℃, demolding after 10-12min, and then curing at normal temperature for 24-48h to obtain the polyurethane cleaning sponge.
8. The method for preparing polyurethane cleaning sponge according to claim 7, wherein NCO content of the A component prepared in step (1) is 4-10%.
CN202211082199.8A 2022-09-06 2022-09-06 Polyurethane cleaning sponge and preparation method thereof Pending CN115353602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211082199.8A CN115353602A (en) 2022-09-06 2022-09-06 Polyurethane cleaning sponge and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211082199.8A CN115353602A (en) 2022-09-06 2022-09-06 Polyurethane cleaning sponge and preparation method thereof

Publications (1)

Publication Number Publication Date
CN115353602A true CN115353602A (en) 2022-11-18

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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02289608A (en) * 1989-04-28 1990-11-29 Kao Corp Production of water-absorptive polyurethane foam
CA2039217A1 (en) * 1990-04-25 1991-10-26 Philippe Motte Polyurethane foams blown only with water
JPH04331224A (en) * 1991-05-02 1992-11-19 Dow Chem Nippon Kk Production of flexible polyurethane foam
JP2004043811A (en) * 2002-07-03 2004-02-12 Toyo Tire & Rubber Co Ltd Flexible polyurethane molded foam
CN1723312A (en) * 2002-12-09 2006-01-18 陶氏环球技术公司 Process for applying a polyurethane dispersion based foam to an article
CN101381441A (en) * 2007-09-06 2009-03-11 上海凯众聚氨酯有限公司 Method for preparing hydrophilic polyurethane foam
CN101985500A (en) * 2010-09-10 2011-03-16 深圳市成为生物科技有限公司 Sponge with characteristics of cleaning and removing dirt and soft fragrance
CN103254388A (en) * 2013-05-24 2013-08-21 淄博德信联邦化学工业有限公司 High-tensile strength sponge and preparation method thereof
CN104829800A (en) * 2014-06-05 2015-08-12 上海高裕家居科技有限公司 Polyurethane material having strong decontamination function
CN105254833A (en) * 2015-11-13 2016-01-20 淄博正大聚氨酯有限公司 Polyurethane super soft sponge and preparation method thereof
CN109422863A (en) * 2017-08-28 2019-03-05 韩立娟 Polyurethane dish washing sponge and preparation method thereof
CN110790887A (en) * 2019-11-28 2020-02-14 广汉市新鸿海绵有限公司 Preparation method and application of high-performance clean sponge
CN111040108A (en) * 2019-12-30 2020-04-21 江苏钟山化工有限公司 Preparation method of coarse-pore nontoxic cleaning sponge material
CN111269375A (en) * 2020-04-02 2020-06-12 南京金栖化工集团有限公司 Low-temperature-sensitive flatulence molding slow-resilience sponge and preparation method thereof
CN111484599A (en) * 2020-05-19 2020-08-04 深圳联达新材料科技有限公司 Washable sponge
CN113583205A (en) * 2021-06-29 2021-11-02 佳化化学科技发展（上海）有限公司 Slow-resilience sponge and preparation method and application thereof

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02289608A (en) * 1989-04-28 1990-11-29 Kao Corp Production of water-absorptive polyurethane foam
CA2039217A1 (en) * 1990-04-25 1991-10-26 Philippe Motte Polyurethane foams blown only with water
JPH04331224A (en) * 1991-05-02 1992-11-19 Dow Chem Nippon Kk Production of flexible polyurethane foam
JP2004043811A (en) * 2002-07-03 2004-02-12 Toyo Tire & Rubber Co Ltd Flexible polyurethane molded foam
CN1723312A (en) * 2002-12-09 2006-01-18 陶氏环球技术公司 Process for applying a polyurethane dispersion based foam to an article
CN101381441A (en) * 2007-09-06 2009-03-11 上海凯众聚氨酯有限公司 Method for preparing hydrophilic polyurethane foam
CN101985500A (en) * 2010-09-10 2011-03-16 深圳市成为生物科技有限公司 Sponge with characteristics of cleaning and removing dirt and soft fragrance
CN103254388A (en) * 2013-05-24 2013-08-21 淄博德信联邦化学工业有限公司 High-tensile strength sponge and preparation method thereof
CN104829800A (en) * 2014-06-05 2015-08-12 上海高裕家居科技有限公司 Polyurethane material having strong decontamination function
CN105254833A (en) * 2015-11-13 2016-01-20 淄博正大聚氨酯有限公司 Polyurethane super soft sponge and preparation method thereof
CN109422863A (en) * 2017-08-28 2019-03-05 韩立娟 Polyurethane dish washing sponge and preparation method thereof
CN110790887A (en) * 2019-11-28 2020-02-14 广汉市新鸿海绵有限公司 Preparation method and application of high-performance clean sponge
CN111040108A (en) * 2019-12-30 2020-04-21 江苏钟山化工有限公司 Preparation method of coarse-pore nontoxic cleaning sponge material
CN111269375A (en) * 2020-04-02 2020-06-12 南京金栖化工集团有限公司 Low-temperature-sensitive flatulence molding slow-resilience sponge and preparation method thereof
CN111484599A (en) * 2020-05-19 2020-08-04 深圳联达新材料科技有限公司 Washable sponge
CN113583205A (en) * 2021-06-29 2021-11-02 佳化化学科技发展（上海）有限公司 Slow-resilience sponge and preparation method and application thereof

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