CN111533869A - Composition for environment-friendly thermoplastic polyurethane foam and application thereof - Google Patents
Composition for environment-friendly thermoplastic polyurethane foam and application thereof Download PDFInfo
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- CN111533869A CN111533869A CN202010510244.XA CN202010510244A CN111533869A CN 111533869 A CN111533869 A CN 111533869A CN 202010510244 A CN202010510244 A CN 202010510244A CN 111533869 A CN111533869 A CN 111533869A
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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
- C08G18/28—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
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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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
- C08G18/28—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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
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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
- C08G18/28—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
- 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 discloses an environment-friendly thermoplastic polyurethane foam composition and application thereof, wherein polyether polyol A, polyether polyol B and polyester polyol C are used as main raw materials, an organic silicon surfactant, a cell opening agent, a catalyst, water and an emulsifier are used as auxiliary agents, and no chlorofluorocarbon physical foaming agent is added, so that the environment-friendly thermoplastic polyurethane foam composition has a good environmental effect; the emulsifier is an environment-friendly product, does not contain nonyl phenol emulsifier, and is non-toxic and harmless to human bodies; and meanwhile, the reactive catalyst is adopted, so that the organic volatile matters in the foam product are reduced. The thermoplastic polyurethane foam obtained by foaming is of an open-cell structureThe density was 30kg/m3The sound-absorbing sound-insulating material has the advantages that the compressive strength is larger than or equal to 100kPa, the aperture ratio is larger than or equal to 90 percent, the elongation at break is larger than or equal to 10 percent, and the sound-absorbing sound-insulating material not only has good sound-absorbing performance, but also has good heat-insulating performance.
Description
Technical Field
The invention relates to an environment-friendly thermoplastic polyurethane foam composition and a thermoplastic polyurethane foam prepared by foaming the composition, and belongs to the technical field of chemical synthesis.
Background
Sound absorption and insulation are important measures for reducing noise of automobiles, and the used materials need to be environment-friendly, light, high in strength, corrosion-resistant, mothproof and the like. The thermoplastic polyurethane foam is a porous material, and the holes are communicated with each other to form continuous holes, so that the sound absorption and noise reduction effects are achieved; meanwhile, the thermoplastic polyurethane foam has the advantages of strong foam density, excellent mechanical property, mildew resistance and the like; therefore, 80% of the current high-end automobiles adopt thermoplastic polyurethane foam as a sound insulation material, and the thermoplastic polyurethane foam has the functions of heat insulation and buffer protection.
With the development of the automobile industry in China, the automobile output and sale quantity in China continuously dominates the world for many years. The noise is great in physical and psychological damage to people, consumers are more and more concerned about the comfort in the automobile driving process due to the symptoms of fatigue, dizziness, tinnitus, palpitation and the like, and the noise reduction of the automobile is always a main factor of the comfort. Therefore, the thermoplastic polyurethane foam has good market prospect.
The thermoplastic polyurethane foam is prepared by reacting a composition consisting of polyether polyol, polyester polyol, a catalyst, an organosilicon surfactant, a cell opening agent, a foaming agent, an antioxidant and the like with isocyanate. Most of compositions used in the market at present are added with a pore former, such as special chemical O-501, after the pore former is added, the composition is easy to have a layering problem in the placing process, and needs to be mixed again before use; also, the composition is added with physical blowing agents, such as low boiling point blowing agents like monofluorodichloroethane (HCFC-141b), methylene chloride, pentafluoropropane (HFC-245fa), 1,1,1,3, 3-pentafluorobutane (HFC-365mfc), which contribute to foaming and assist in cell opening, and these blowing agents suffer from Ozone Depletion Potential (ODP) and/or high-temperature-room gas effect (GWP).
Disclosure of Invention
The present invention has for its object to overcome the above-mentioned drawbacks of the prior art and to provide an environmentally friendly composition for thermoplastic polyurethane foam, and a thermoplastic polyurethane foam. The composition does not contain a physical foaming agent, only adopts water as a chemical foaming agent, and the water reacts with isocyanate to generate CO2The foaming is realized, and the material has the characteristics of zero ODP and low GWP; simultaneously, the environment-friendly emulsifier isomeric alcohol ether is added, the intermiscibility of a composition system is improved, and the problem of layering of the system is solved。
In order to achieve the purpose, the invention adopts the following technical scheme:
the composition for the environment-friendly thermoplastic polyurethane foam comprises the following components in parts by weight: 3-5 parts of polyether polyol A, 2-4 parts of polyether polyol B, 2-4 parts of polyester polyol C, 0.1-0.5 part of foam stabilizer, 0.02-0.08 part of pore-opening agent, 0.05-0.2 part of catalyst, 0.3-0.6 part of water, 0.5-1.5 parts of emulsifier and 0.05 part of antioxidant.
The polyether polyol A is prepared by polymerizing propylene oxide or ethylene oxide with any one or more than two of active groups such as sucrose, sorbitol, pentaerythritol, ethylenediamine, glycerol, ethylene glycol, propylene glycol, diethylene glycol and the like as an initiator, and terminating with propylene oxide, preferably sucrose as an initiator, to obtain polyether polyol polymerized with propylene oxide; it meets the following criteria: a viscosity at 25 ℃ of 1000 to 40000 mPas, preferably 1500 to 2500 mPas, a hydroxyl value of 240 to 800mgKOH/g, preferably 250 to 350mgKOH/g, and a functionality of 3.0 to 8.0, preferably 4.0 to 5.0.
The polyether polyol B is prepared by taking one or a mixture of more than two of glycerol, trimethylolpropane, triethanolamine, diethanolamine and the like as an initiator and polymerizing with propylene oxide and/or ethylene oxide, wherein the end capping rate is more than 50 percent by using the ethylene oxide as a capping end; it meets the following criteria: a viscosity at 25 ℃ of 100 to 2000 mPas, preferably 500 to 1000 mPas, a hydroxyl value of 20 to 100mgKOH/g, preferably 30 to 60mgKOH/g, and a functionality of 3.
The polyester polyol C is aromatic polyester polyol polymerized by phthalic anhydride or/and terephthalic acid and any one or more than two of ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol and 1, 4-butanediol; it meets the following criteria: the viscosity at 25 ℃ is 1000 to 20000 mPas, preferably 2000 to 6000 mPas, and the hydroxyl value is 100 to 400mgKOH/g, preferably 240 to 360 mgKOH/g.
The foam stabilizer is an organic silicon surfactant, and can be selected from S series products of Shanghai Maihao new material science and technology limited, B series products of winning group, L series products of Mi chart high new material, AK series products of Jiangsu Meiside chemical company limited, and preferably S-3219 of Shanghai Maihao new material science and technology limited.
The pore-forming agent can be O-501 of the winning group and BL-5358 of Shanghai Maihao New Material science and technology Limited, preferably BL-5358 of Shanghai Maihao New Material science and technology Limited.
The catalyst is a reactive catalyst commonly used in the field of polyurethane foam, and can be one or more compounds of dimethylethanolamine, triethanolamine, trimethylhydroxyethylethylenediamine and the like, preferably trimethylhydroxyethylethylenediamine.
The water is preferably deionized water.
The emulsifier is isomeric alcohol polyoxyethylene ether selected from one or a combination of isomeric dodecyl alcohol polyoxyethylene ether, isomeric undecyl alcohol polyoxyethylene ether and isomeric tridecanol polyoxyethylene ether, the hydroxyl value is 100-200mgKOH/g, and isomeric tridecanol polyoxyethylene ether is preferred;
the antioxidant is Irgastab PUR70 which is an antioxidant of New Basff materials Co.
The preparation method of the composition for the environment-friendly thermoplastic polyurethane foam comprises the following steps: uniformly mixing the components in a mixing kettle (preferably a stainless steel mixing kettle) with a safety device to obtain the product; the mixing time is preferably 0.5 to 1 hour.
The composition for the environment-friendly thermoplastic polyurethane foam is applied to the preparation of thermoplastic polyurethane foam. Specifically, the application mode is as follows: fully mixing the composition for the environment-friendly thermoplastic polyurethane foam with isocyanate, pouring the mixture into a foaming reaction mould for foaming reaction and forming to obtain thermoplastic polyurethane foam; the mixing ratio of the composition to the isocyanate is 1: 1.3-1.5, preferably 1:1.4, and the mixing mode can be motor stirring, low-pressure machine casting or high-pressure machine casting, preferably high-pressure machine casting.
The isocyanate is polymeric MDI (diphenylmethane diisocyanate) and is selected from any one or combination of more than two of PM200, PM2010, PM400, M20S and 44V20, preferably PM 200.
The foaming reaction die is a box-type die, the size length, width and height of the die are 2.6 x 1.6 x 0.8m, and the temperature of the die is controlled to be 40-45 ℃.
The thermoplastic polyurethane foam is prepared by mixing the environment-friendly thermoplastic polyurethane foam composition with isocyanate for reaction and foaming.
The thermoplastic polyurethane foam is cut into sheets, and the sheets are made into the automobile sound-absorbing and heat-insulating roof material through a hot-press forming die, wherein the hot-press forming temperature of the die is 140-160 ℃.
The composition for the environment-friendly thermoplastic polyurethane foam adopts the polyether polyol A, the polyether polyol B and the polyester polyol C as main raw materials, adopts the organic silicon surfactant, the cell opening agent, the catalyst, water and the emulsifier as auxiliaries, does not add any chlorofluorocarbon physical foaming agent, and has good environmental effect; the emulsifier is an environment-friendly product, does not contain nonyl phenol emulsifier, and is non-toxic and harmless to human bodies; and meanwhile, the reactive catalyst is adopted, so that the organic volatile matters in the foam product are reduced. The foamed thermoplastic polyurethane foam has an open-cell structure, the foam density is 30kg/m3, the compressive strength is not less than 100kPa, the open-cell ratio is not less than 90%, the elongation at break is not less than 10%, and the foamed thermoplastic polyurethane foam not only has good sound absorption performance, but also has good heat insulation performance.
The invention is also characterized in that:
(1) the polyether polyol B which is low-functionality, high-molecular-weight and EO-terminated polyether polyol is adopted, and the use of the polyether polyol B in a formula system is beneficial to improving the open cell content of foam and improving the stability of the foam forming process.
(2) The emulsifier is added, so that the problem of product layering commonly encountered in the prior art can be solved, the obtained composition is a transparent and uniform product, repeated stirring is not required in the using process of a customer, and the preparation of the thermoplastic polyurethane foam with stable performance is facilitated.
(3) The invention adopts water as a chemical foaming agent, does not adopt physical foaming agents (HCFCs, HFCs and the like), and has better environmental effect: water and the reaction product CO of water and isocyanate2All are naturally occurring substances, while the physical blowing agent HCFCs have ozone depletion potential (0.11) and greenhouse gas effectPotential (700), HFCs, although not ozone depleting, have higher greenhouse gas effect potential (greater than 900); and by adding the antioxidant, the problem of heartburn caused by heat accumulation of the foam core part in the preparation process can be avoided.
The various terms and phrases used herein have the ordinary meaning as is well known to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the following examples.
In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description only, and are not used to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the terms are also considered to be within the scope of the present invention without substantial technical changes.
The instruments, reagents, materials and the like used in the following examples are conventional instruments, reagents, materials and the like in the prior art and are commercially available in a normal manner unless otherwise specified. Unless otherwise specified, the experimental methods, detection methods, and the like described in the following examples are conventional experimental methods, detection methods, and the like in the prior art.
The following examples use some of the sources of the starting materials:
polyether polyol A: YD-8310, available from northern Asia east chemical group Co., Ltd., hydroxyl value of 315mKOH/g, viscosity of 1500 mPa.s, functionality of 4.2;
polyether polyol B: JH-F330N, available from Ikeka chemical Co., Ltd, having a hydroxyl number of 33mKOH/g, a viscosity of 800 mPas and a functionality of 3.
Polyester polyol C: PS-3152, available from Stratagene Nanjing Chemicals, Inc., having a hydroxyl number of 315mKOH/g, a viscosity of 2400 mPa.s, and a functionality of 2;
foam stabilizer: s-3219, available from Shanghai Maihao New materials science and technology, Inc.;
a pore forming agent: BL-5358, available from Shanghai Maihao New materials science and technology, Inc.;
catalyst: trimethylhydroxyethylethylene diamine (hereinafter referred to as trimethyl) purchased from Wansheng company, Zhejiang;
emulsifier: TO-10, available from Yangzi petrochemical-Pasf corporation;
antioxidant: irgastab PUR70, available from Basff New materials, Inc.;
an isocyanate; PM200, purchased from Tantainan chemical group, Inc.
Example (b): composition for preparing environment-friendly thermoplastic polyurethane foam and thermoplastic polyurethane foam
The formulation of the composition for environment-friendly thermoplastic polyurethane foam of examples 1 to 4 and the properties of the thermoplastic polyurethane foam obtained are shown in the following table; in the meantime, a formulation system commonly used in the market was used as a comparative example, and the test results are shown in the following table.
Uniformly mixing the components in a preferable stainless steel mixing kettle with a safety device, fixing the stirring speed to 500rpm, and mixing for 0.5-1 hour to obtain the high-performance high-efficiency high-speed high-.
TABLE 1 compositions and foam Properties for environmentally friendly thermoplastic polyurethane foams
In the above table, the values of the raw material composition are in the weight ratio.
As can be seen from the above table, the examples only adopt water as a chemical foaming agent, and have good environmental effect; the problem of product layering generated when the pore opening agent is used is solved by adding the emulsifier; the prepared thermoplastic polyurethane foam has good mechanical property and sound absorption effect; the elongation at break of the foam is better than that of the comparative example, and the foam has more excellent toughness; meanwhile, the composition prepared by the embodiment is a transparent and uniform product, so that a client does not need to repeatedly stir in the using process, and the thermoplastic polyurethane foam with stable performance can be prepared.
Although the present invention has been described with reference to the specific embodiments, it should be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The environment-friendly thermoplastic polyurethane foam composition is characterized by comprising the following components in parts by weight: 3-5 parts of polyether polyol A, 2-4 parts of polyether polyol B, 2-4 parts of polyester polyol C, 0.1-0.5 part of foam stabilizer, 0.02-0.08 part of pore-opening agent, 0.05-0.2 part of catalyst, 0.3-0.6 part of water, 0.5-1.5 parts of emulsifier and 0.05 part of antioxidant;
the polyether polyol A is prepared by polymerizing one or more than two of active groups of sucrose, sorbitol, pentaerythritol, ethylenediamine, glycerol, ethylene glycol, propylene glycol or diethylene glycol with propylene oxide or ethylene oxide as an initiator, and capping with propylene oxide; it meets the following criteria: a viscosity at 25 ℃ of 1000 to 40000mPa · s, a hydroxyl value of 240 to 800mgKOH/g, and a functionality of 3.0 to 8.0;
the polyether polyol B is prepared by taking one or a mixture of more than two of glycerol, trimethylolpropane, triethanolamine or diethanolamine as an initiator and polymerizing with propylene oxide and/or ethylene oxide, wherein the end capping rate is more than 50 percent by using the ethylene oxide as a capping end; it meets the following criteria: a viscosity of 100 to 2000mPa · s at 25 ℃, a hydroxyl value of 20 to 100mgKOH/g, and a functionality of 3;
the polyester polyol C is aromatic polyester polyol polymerized by phthalic anhydride or/and terephthalic acid and any one or more than two of ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol or 1, 4-butanediol; it meets the following criteria: the viscosity at 25 ℃ is 1000 to 20000 mPas and the hydroxyl value is 100 to 400 mgKOH/g.
2. The composition for environmentally friendly thermoplastic polyurethane foam according to claim 1, wherein said polyether polyol A is a polyether polyol obtained by polymerizing sucrose as an initiator with propylene oxide;
or/and: the viscosity of the polyether polyol A at 25 ℃ is 1500-2500 mPa & s;
or/and: the hydroxyl value of the polyether polyol A is 250-350 mgKOH/g;
or/and: the polyether polyol A has a functional group of 4.0-5.0;
or/and: the viscosity of the polyether polyol B at 25 ℃ is 500-1000 mPa & s;
or/and: the hydroxyl value of the polyether polyol B is 30-60 mgKOH/g;
or/and: the viscosity of the polyester polyol C at 25 ℃ is 2000-6000 mPa & s;
or/and: the hydroxyl value of the polyester polyol C is 240-360 mgKOH/g.
3. The composition for environmentally friendly thermoplastic polyurethane foam according to claim 1, wherein the foam stabilizer is a silicone surfactant selected from the group consisting of S series products of Shanghai Maihao New Material science and technology Co., Ltd, B series products of Yingchuo group, L series products of Mei Tuo high New Material, AK series products of Jiangsu Meisde chemical Co., Ltd;
or/and: the pore-forming agent is selected from O-501 of Yingchuang group and BL-5358 of Shanghai Maihao New Material science and technology Limited;
or/and: the catalyst is a reactive catalyst commonly used in the field of polyurethane foam, and is selected from one or more compounds of dimethylethanolamine, triethanolamine or trimethylhydroxyethylethylenediamine;
or/and: the water is selected from deionized water;
or/and: the emulsifier is isomeric alcohol polyoxyethylene ether selected from one or more of isomeric dodecyl alcohol polyoxyethylene ether, isomeric undecyl alcohol polyoxyethylene ether or isomeric tridecyl alcohol polyoxyethylene ether, and the hydroxyl value is 100-200 mgKOH/g;
or/and: the antioxidant is Irgastab PUR70 from New materials, Basff.
4. The composition for environmentally friendly thermoplastic polyurethane foam according to claim 2 or 3, wherein said polyether polyol A is selected from the group consisting of YD-8310; the polyether polyol B is selected from JH-F330N; the polyester polyol C is selected from PS-3152; the foam stabilizer is selected from S-3219; the cell opener is selected from BL-5358.
5. Use of the composition for environmentally friendly thermoplastic polyurethane foam according to any one of claims 1 to 4 for preparing thermoplastic polyurethane foam.
6. The use according to claim 5, characterized in that the application mode is: fully mixing the composition for the environment-friendly thermoplastic polyurethane foam with isocyanate, pouring the mixture into a foaming reaction mould for foaming reaction and forming to obtain thermoplastic polyurethane foam; the mixing ratio of the composition to isocyanate is 1: 1.3-1.5, and the mixing mode adopts motor stirring, low-pressure machine casting or high-pressure machine casting.
7. The use as claimed in claim 6, wherein the isocyanate is selected from any one or a combination of two or more of PM200, PM2010, PM400, M20S or 44V 20;
or/and: the mass ratio of the environment-friendly thermoplastic polyurethane foam composition to isocyanate is 1:1.4
Or/and: the mixing mode is high-pressure machine pouring.
8. A thermoplastic polyurethane foam is prepared by mixing the composition for the environment-friendly thermoplastic polyurethane foam of claims 1-7 with isocyanate, reacting and foaming.
9. The thermopolymerized polyurethane foam according to claim 8, wherein said isocyanate is selected from the group consisting of PM200, PM2010, PM400, M20S, and 44V 20;
or/and: the mass ratio of the environment-friendly thermoplastic polyurethane foam composition to isocyanate is 1: 1.4.
10. Use of the thermopolymerized polyurethane foam of claim 8 or 9 as or for making automotive acoustic, insulating headliner material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646121A (en) * | 2020-12-11 | 2021-04-13 | 淄博汇德聚氨酯制品股份有限公司 | Polyurethane rigid foam thermal insulation material, and preparation method and application thereof |
| CN117487122A (en) * | 2023-12-28 | 2024-02-02 | 巴斯夫新材料有限公司 | Polyurethane foaming system, heat-recoverable polyurethane foam and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012737A (en) * | 2013-01-10 | 2013-04-03 | 江苏斯泰达新能源科技发展有限公司 | 100% water-base foamed polyurethane foam and preparation method thereof |
| CN105209512A (en) * | 2013-03-25 | 2015-12-30 | 科思创德国股份公司 | Rigid polyurethane foams with high acoustic absorption |
| CN105315423A (en) * | 2015-11-17 | 2016-02-10 | 山东一诺威新材料有限公司 | Continuous production-type all-water low-density acoustical board material and preparation method thereof |
-
2020
- 2020-06-08 CN CN202010510244.XA patent/CN111533869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012737A (en) * | 2013-01-10 | 2013-04-03 | 江苏斯泰达新能源科技发展有限公司 | 100% water-base foamed polyurethane foam and preparation method thereof |
| CN105209512A (en) * | 2013-03-25 | 2015-12-30 | 科思创德国股份公司 | Rigid polyurethane foams with high acoustic absorption |
| CN105315423A (en) * | 2015-11-17 | 2016-02-10 | 山东一诺威新材料有限公司 | Continuous production-type all-water low-density acoustical board material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646121A (en) * | 2020-12-11 | 2021-04-13 | 淄博汇德聚氨酯制品股份有限公司 | Polyurethane rigid foam thermal insulation material, and preparation method and application thereof |
| CN117487122A (en) * | 2023-12-28 | 2024-02-02 | 巴斯夫新材料有限公司 | Polyurethane foaming system, heat-recoverable polyurethane foam and preparation method thereof |
| CN117487122B (en) * | 2023-12-28 | 2024-04-30 | 巴斯夫新材料有限公司 | Polyurethane foaming system, heat-recoverable polyurethane foam and preparation method thereof |
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Application publication date: 20200814 |