CN111040123A - Preparation method of polyurethane filter sponge - Google Patents
Preparation method of polyurethane filter sponge Download PDFInfo
- Publication number
- CN111040123A CN111040123A CN201911342646.7A CN201911342646A CN111040123A CN 111040123 A CN111040123 A CN 111040123A CN 201911342646 A CN201911342646 A CN 201911342646A CN 111040123 A CN111040123 A CN 111040123A
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- CN
- China
- Prior art keywords
- component
- parts
- filter sponge
- polyether polyol
- preparation
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Classifications
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- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
-
- 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
- C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
-
- 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
Abstract
The invention relates to a preparation method of a polyurethane filter sponge, belonging to the field of polyurethane foaming; the composition is prepared from a component A and a component B in parts by weight as follows: the component A comprises: 30-70 parts of polyether polyol; 5-10 parts of polymer polyol; 25-65 parts of polyether polyol; 1.5-3.5 parts of water; 0.8-1.5 parts of a foam stabilizer; 0.05-0.4 part of tin catalyst; 0.1-0.4 part of amine catalyst; and B component: 20-50 parts of TDI (T-80). The invention also provides a preparation method of the compound, and the preparation method is simple and easy to implement. Simple processing technology, high production efficiency, low cost, high aperture ratio, good air and water permeability, good flexibility, high tensile strength, high tear strength and the like.
Description
Technical Field
The invention relates to a preparation method of a polyurethane filter sponge, and belongs to the field of polyurethane foaming.
Background
The filtering sponge has excellent air permeability, good flexibility and higher mechanical strength, and is used in the industries of various motorcycle filtering screens, automobile filtering screens, filtering equipment, aquariums, gas masks, air conditioners, highly-breathable seat cushions, mattresses, activated carbon filtering base materials, ceramic-filled filtering base materials and the like, oil-resistant polyester filtering screens, slow-rebound filtering screens and the like. However, the tear strength of the filter cotton on the market is poor, and the tensile strength and the tear strength of the filter sponge are greatly improved.
Disclosure of Invention
According to the defects of the prior art, the technical problems to be solved by the invention are as follows: the preparation method of the polyurethane filter sponge has the advantages of simple processing technology, high production efficiency, high aperture ratio, good air and water permeability, good flexibility, high tensile strength, high tear strength and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the preparation method of the polyurethane filter sponge is provided, and the polyurethane filter sponge is prepared from a component A and a component B according to the following parts by weight:
the component A comprises:
and B component:
20-50 parts of TDI (T-80).
The polyether polyol DEP-505S is a polyether polyol with 3 functionality and 3300 molecular weight, which is produced by Zibode Federal chemical industries, Inc. The content of EO in the polyol is high, and the prepared product has good water absorption and good pore-opening property.
The polymer polyol POP-200 is a polymer polyol with 3 functionality and 5600, which is produced by Zibode Federal chemical industry Limited, and a product made of the polyol has better dimensional stability.
The polyether polyol DEP-455S is polyether polyol with functionality of 3 and molecular weight of 3600 produced by Zibode Federal chemical industry Limited, and products made of the polyether polyol have good flexibility.
The foam stabilizer is a foam stabilizer of American Mediterranean chart L-580. The foam stabilizer L-580 produced by the American Meyer chart has the functions of stabilizing foam, regulating foam holes and emulsifying foam materials.
The tin catalyst is stannous octoate. The catalyst is non-toxic and mainly plays a role in catalyzing gel reaction.
The amine catalyst is amine catalyst A33. A33 produced by American gas chemical products company mainly utilizes its high activity to play a strong role in catalyzing gel reaction and foaming reaction.
The preparation method of the polyurethane filter sponge comprises the following steps:
adding the raw materials of the component A into a stirrer, uniformly mixing, adjusting the constant material temperature to 25 +/-2 ℃, adjusting the rotating speed of the stirrer to 4000 + 4500r/min, pouring the component B preheated to 25 +/-2 ℃ into the component A, stirring for 4-5s, pouring the mixed material into a mold, and curing for 24h to obtain the product.
The invention has the beneficial effects that:
(1) simple processing technology, high production efficiency, low cost, high aperture ratio, good air and water permeability, good flexibility, high tensile strength, high tear strength and the like.
(2) The invention also provides a preparation method of the compound, and the preparation method is simple and easy to implement.
Detailed Description
The following further describes embodiments of the present invention:
example 1
A preparation method of a polyurethane filter sponge comprises the following steps of:
the component A comprises:
and B component:
TDI (T-80) 50 parts.
The polyether polyol DEP-505S is a polyether polyol with 3 functionality and 3300 molecular weight, which is produced by Zibode Federal chemical industries, Inc.
The polymer polyol POP-200 is a 3-functionality, 5600 polymer polyol produced by Zibode Federal chemical industries, Inc.
The polyether polyol DEP-455S is a polyether polyol with 3 functionality and 3600 molecular weight produced by Zibode Federal chemical industry Limited.
The foam stabilizer is a foam stabilizer of American Mediterranean chart L-580.
The tin catalyst is stannous octoate.
The amine catalyst is amine catalyst A33.
The preparation method of the polyurethane filter sponge comprises the following steps:
adding the raw materials of the component A into a stirrer, uniformly mixing, adjusting the constant material temperature to 25 +/-2 ℃, adjusting the rotating speed of the stirrer to 4500r/min, pouring the component B preheated to 25 +/-2 ℃ into the component A, stirring for 4-5s, pouring the mixed material into a mold, and curing for 24h to obtain the product.
The quality indexes of the prepared product are as shown in the following table.
Example 2
A preparation method of a polyurethane filter sponge comprises the following steps of:
the component A comprises:
and B component:
TDI (T-80)20 parts.
The polyether polyol DEP-505S is a polyether polyol with 3 functionality and 3300 molecular weight, which is produced by Zibode Federal chemical industries, Inc.
The polymer polyol POP-200 is a 3-functionality, 5600 polymer polyol produced by Zibode Federal chemical industries, Inc.
The polyether polyol DEP-455S is a polyether polyol with 3 functionality and 3600 molecular weight produced by Zibode Federal chemical industry Limited.
The foam stabilizer is a foam stabilizer of American Mediterranean chart L-580.
The tin catalyst is stannous octoate.
The amine catalyst is amine catalyst A33.
The preparation method of the polyurethane filter sponge comprises the following steps:
adding the raw materials of the component A into a stirrer, uniformly mixing, adjusting the constant material temperature to 25 +/-2 ℃, adjusting the rotating speed of the stirrer to 4000r/min, pouring the component B preheated to 25 +/-2 ℃ into the component A, stirring for 4-5s, pouring the mixed material into a mould, and curing for 24h to obtain the product.
The quality indexes of the prepared product are as shown in the following table.
Example 3
A preparation method of a polyurethane filter sponge comprises the following steps of:
the component A comprises:
and B component:
TDI (T-80) 35 parts.
The polyether polyol DEP-505S is a polyether polyol with 3 functionality and 3300 molecular weight, which is produced by Zibode Federal chemical industries, Inc.
The polymer polyol POP-200 is a 3-functionality, 5600 polymer polyol produced by Zibode Federal chemical industries, Inc.
The polyether polyol DEP-455S is a polyether polyol with 3 functionality and 3600 molecular weight produced by Zibode Federal chemical industry Limited.
The foam stabilizer is a foam stabilizer of American Mediterranean chart L-580.
The tin catalyst is stannous octoate.
The amine catalyst is amine catalyst A33.
The preparation method of the polyurethane filter sponge comprises the following steps:
adding the raw materials of the component A into a stirrer, uniformly mixing, adjusting the constant material temperature to 25 +/-2 ℃, adjusting the rotating speed of the stirrer to 4200r/min, pouring the component B preheated to 25 +/-2 ℃ into the component A, stirring for 4-5s, pouring the mixed material into a mold, and curing for 24h to obtain the product.
The quality indexes of the prepared product are as shown in the following table.
| Examples of the invention | Open cell content% | Tensile strength/MPa | Elongation/percent | Tear Strength/N/mm |
| 1 | 90 | 0.35 | 165 | 0.41 |
| 2 | 92 | 0.49 | 188 | 0.57 |
| 3 | 91 | 0.44 | 180 | 0.51 |
Claims (8)
1. A preparation method of polyurethane filter sponge is characterized by comprising the following steps: the composition is prepared from a component A and a component B in parts by weight as follows:
the component A comprises:
and B component:
20-50 parts of TDI.
2. The process for preparing a polyurethane filter sponge as claimed in claim 1, wherein the polyether polyol DEP-505S is a 3-functionality, 3300 molecular weight polyether polyol manufactured by Zibodner Federal chemical industries, Ltd.
3. The process for preparing a polyurethane filter sponge as in claim 1, wherein the polymer polyol POP-200 is a3 functionality, 5600 polymer polyol manufactured by zibodner federal chemical industries limited.
4. The process for preparing a polyurethane filter sponge as claimed in claim 1, wherein the polyether polyol DEP-455S is a 3-functional, 3600 molecular weight polyether polyol from Zibodner Federal chemical industries, Inc.
5. The method of claim 1, wherein the foam stabilizer is a U.S. meyer L-580 foam stabilizer.
6. The method of claim 1, wherein the tin catalyst is stannous octoate.
7. The method for preparing a polyurethane filter sponge as claimed in claim 1, wherein the amine catalyst is amine catalyst A33.
8. The method for preparing a polyurethane filter sponge according to claim 1, characterized by the steps of:
adding the raw materials of the component A into a stirrer, uniformly mixing, adjusting the constant material temperature to 25 +/-2 ℃, adjusting the rotating speed of the stirrer to 4000 + 4500r/min, pouring the component B preheated to 25 +/-2 ℃ into the component A, stirring for 4-5s, pouring the mixed material into a mold, and curing for 24h to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342646.7A CN111040123A (en) | 2019-12-23 | 2019-12-23 | Preparation method of polyurethane filter sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342646.7A CN111040123A (en) | 2019-12-23 | 2019-12-23 | Preparation method of polyurethane filter sponge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111040123A true CN111040123A (en) | 2020-04-21 |
Family
ID=70238738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911342646.7A Withdrawn CN111040123A (en) | 2019-12-23 | 2019-12-23 | Preparation method of polyurethane filter sponge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111040123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159513A (en) * | 2020-10-11 | 2021-01-01 | 甘肃银光聚银化工有限公司 | Preparation method of ultrahigh-density polyurethane flexible foam |
| CN112225875A (en) * | 2017-12-25 | 2021-01-15 | 福建恒安卫生材料有限公司 | Montmorillonite-based odor-inhibiting hydrophilic soft sponge and preparation method thereof |
-
2019
- 2019-12-23 CN CN201911342646.7A patent/CN111040123A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225875A (en) * | 2017-12-25 | 2021-01-15 | 福建恒安卫生材料有限公司 | Montmorillonite-based odor-inhibiting hydrophilic soft sponge and preparation method thereof |
| CN112225875B (en) * | 2017-12-25 | 2022-03-25 | 福建恒安卫生材料有限公司 | Montmorillonite-based odor-inhibiting hydrophilic soft sponge and preparation method thereof |
| CN112159513A (en) * | 2020-10-11 | 2021-01-01 | 甘肃银光聚银化工有限公司 | Preparation method of ultrahigh-density polyurethane flexible foam |
| CN112159513B (en) * | 2020-10-11 | 2022-05-31 | 甘肃银光聚银化工有限公司 | Preparation method of ultrahigh-density polyurethane flexible foam |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200421 |