CN114195975A - High-flame-retardance low-temperature foaming type broken bridge aluminum door and window penetrating strip foaming material combined polyether and preparation method thereof, polyurethane foam and preparation method thereof - Google Patents
High-flame-retardance low-temperature foaming type broken bridge aluminum door and window penetrating strip foaming material combined polyether and preparation method thereof, polyurethane foam and preparation method thereof Download PDFInfo
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- CN114195975A CN114195975A CN202111535303.XA CN202111535303A CN114195975A CN 114195975 A CN114195975 A CN 114195975A CN 202111535303 A CN202111535303 A CN 202111535303A CN 114195975 A CN114195975 A CN 114195975A
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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
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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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
- C08G2101/00—Manufacture of cellular products
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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 relates to high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip foaming material combined polyether, a preparation method of the combined polyether, polyurethane foam and a preparation method of the polyurethane foam, and belongs to the technical field of polyurethane. The combined polyether comprises the following raw materials in parts by weight: 80-100 parts of polyester polyol, 0-20 parts of polyether polyol, 4-6 parts of catalyst, 2-3 parts of foam stabilizer, 30-40 parts of flame retardant, 20-25 parts of foaming agent and 0.5-1 part of water. The high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip foaming material combined polyether has the characteristic of low-temperature foaming without shrinkage, and polyurethane foam prepared by using the high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip foaming material combined polyether has the advantages of excellent flame retardance, dimensional stability and heat preservation property; meanwhile, the invention provides a preparation method of the high-flame-retardant low-temperature foaming type broken bridge aluminum door and window strip-penetrating foaming material combined polyether and a preparation method of polyurethane foam, wherein the preparation method is simple, convenient and easy for industrial production.
Description
Technical Field
The invention relates to high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip foaming material combined polyether, a preparation method of the combined polyether, polyurethane foam and a preparation method of the polyurethane foam, and belongs to the technical field of polyurethane.
Background
The aluminum profile is commonly used in the field of energy-saving buildings, and polyurethane rigid foam is filled in a cavity of the aluminum profile. As is known well, polyurethane is a material with the best heat preservation performance in the existing known organic materials, and the hard foam is used as a filling material, so that the self weight of the section bar can be reduced, the heat insulation performance of the section bar can be greatly improved, and the energy-saving effect is good.
Along with the continuous improvement of people's fire prevention consciousness, pay more and more attention to various building material's fire behavior, the window is the main component of family's building, if the window possesses effectual fire behavior, just can effectively keep apart the condition of a fire indoor or outdoor, prevents stretching of conflagration. Therefore, the improvement of the flame retardant property of the profile filled rigid foam is very important, and most of polyurethane rigid foam materials used by the aluminum alloy profiles in China are non-flame retardant.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the high-flame-retardant low-temperature foaming type bridge-cut aluminum door and window strip-penetrating foaming material combined polyether which has the characteristic of low-temperature foaming without shrinkage, and the polyurethane foam prepared by using the polyether has the advantages of excellent flame retardance, dimensional stability and heat preservation property; meanwhile, the invention provides a preparation method of the high-flame-retardant low-temperature foaming type broken bridge aluminum door and window strip-penetrating foaming material combined polyether and a preparation method of polyurethane foam, wherein the preparation method is simple, convenient and easy for industrial production.
The invention relates to a high-flame-retardance low-temperature foaming type broken bridge aluminum door and window strip-penetrating foaming material combined polyether which comprises the following raw materials in parts by weight: 80-100 parts of polyester polyol, 0-20 parts of polyether polyol, 4-6 parts of catalyst, 2-3 parts of foam stabilizer, 30-40 parts of flame retardant, 20-25 parts of foaming agent and 0.5-1 part of water.
The polyester polyol is at least one of 2-phthalic anhydride-based polyester polyol or phthalic anhydride-based polyester polyol, the hydroxyl value is 200-300mgKOH/g, the viscosity is 7000-12000mpa.s at 25 ℃, the functionality is 2.0-2.5, the moisture content is not more than 0.15%, and preferably one or more of AK7004, PS3158 or PS 2412; wherein AK7004 is available from Aijing (Ningbo) chemical Co.
The polyether polyol component has two types, wherein the first type has a hydroxyl value of 450-800mgKOH/g, a viscosity of 500-3000mpa.s at 50 ℃, a functionality of 4-6 and a moisture content of less than or equal to 0.15%, and preferably one or more of 403 and Donol 6049; the second polyether polyol has a hydroxyl value of 300-400mgKOH/g, a viscosity of 300-12000mpa.s at 25 ℃, a functionality of 3-4 and a moisture content of less than or equal to 0.15 percent, and is preferably one or more of Donol305 and Donol 4040. Preferably from Shanghai east Chemicals, Inc.
The catalyst may be a catalyst conventionally used in the art, and is preferably one or more of POLYACAT 303, POLYACAT 8, Dabco BX405, K15, POLYCAT 41, or Dabco T (all available from gas chemical (china) capital ltd).
The foam stabilizer is preferably one or two of B8545 or B84813 (available from Woodbis GmbH (China)) respectively.
The flame retardant is preferably TCPP, TEP or TCEP (all available from Yake technologies, Inc., Jiangsu).
The blowing agent is preferably HFC-245 fa.
The water is preferably deionized water.
The preparation method of the high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window strip-penetrating foaming material combined polyether is characterized in that raw materials are uniformly mixed.
The high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip polyurethane foam is prepared from a high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip foaming material combined polyether and isocyanate, wherein the mixed mass ratio of the combined polyether to the isocyanate is 1: 1-1.5.
Preferably, the isocyanate is a polyphenyl polymethylene polyisocyanate (abbreviated as PAPI) available from Bayer AG, Germany.
A preparation method of high-flame-retardant low-temperature foaming type bridge-cut-off aluminum door and window penetrating strip polyurethane foam comprises the steps of mixing high-flame-retardant low-temperature foaming type bridge-cut-off aluminum door and window penetrating strip foaming material combined polyether with isocyanate by using a low-pressure foaming machine, and pouring the mixture into a paper strip foaming groove to penetrate into a cavity of a door and window profile to obtain the door and window profile filled with polyurethane hard foam.
When the conjugate polyether is mixed with the isocyanate, the feed flow rate of the low-pressure foaming machine is preferably 10 to 30 g/s.
The foaming method and conditions are conventional in the field, and generally are free foaming molding at room temperature, and particularly about 0 ℃.
Compared with the prior art, the invention has the following beneficial effects:
1) according to the combined polyether polyol, the B1 flame-retardant fireproof foam can be obtained by adjusting the using amounts of the flame-retardant polyester polyol and the flame retardant and matching with the low-conductivity polyether polyol;
2) the invention can release enough reaction heat when the combined polyether and isocyanate are mixed and foamed by matching with an effective catalyst, avoids the problems of poor foaming reaction and shrinkage caused by low temperature, and simultaneously adopts the polyether with high functionality to ensure that the foam has enough crosslinking degree, thereby obtaining the foam with higher strength;
3) the preparation method provided by the invention is simple, convenient and low in energy consumption, and is easy for large-scale industrial production.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The preparation method of the combined polyether comprises the following steps:
putting polyester polyol AK7004(80 parts), polyether polyol Donol305(5 parts), Donol6049(5 parts) and Donol4040(10 parts) into a reaction kettle, sequentially adding catalysts POLYACAT 303(1 part), Dabco BX405(2 parts), K15(2 parts), DABCO T (0.5 part), silicone oil B8545(2 parts), deionized water (0.9 part), TCPP (20 parts) and TEP (20 parts), and uniformly stirring a foaming agent (25 parts).
And (3) injecting the combined polyether and the PAPI by using a low-pressure foaming machine at a flow rate of 30g/s, and foaming and forming at room temperature to obtain the door and window section.
Example 2
The preparation method of the combined polyether comprises the following steps:
putting polyester polyol PS3158(80 parts), polyether polyol Donol305(10 parts) and Donol4040(10 parts) into a reaction kettle, sequentially adding catalysts POLYACAT 303(0.5 part), POLYACAT 8(1.5 parts), POLYCAT 41(3 parts), DABCO T (1 part), silicone oil B8545(3 parts), deionized water (0.8 part), TCEP (40 parts) and foaming agent (23 parts), and uniformly stirring to obtain the polyurethane foam.
And (3) injecting the combined polyether and the PAPI by using a low-pressure foaming machine at a flow rate of 30g/s, and foaming and forming at room temperature to obtain the door and window section.
Example 3
Putting polyester polyol PS2412(80 parts), polyether polyol 403(10 parts) and Donol4040(10 parts) into a reaction kettle, sequentially adding catalysts POLYACAT 303(1.5 parts), POLYACAT 8(2.5 parts), K15(3 parts), silicone oil B84813(2 parts), deionized water (1 part), TCPP (25 parts), TCEP (15 parts) and foaming agent (24 parts), and uniformly stirring to obtain the polyurethane foam.
And (3) injecting the combined polyether and the PAPI by using a low-pressure foaming machine at a flow rate of 30g/s, and foaming and forming at room temperature to obtain the door and window section.
Example 4
The preparation method of the combined polyether comprises the following steps:
putting polyester polyol AK7004(100 parts) into a reaction kettle, sequentially adding catalysts Dabco BX405(1 part), K15(3 parts), DABCO T (2 parts), silicone oil B84813(3 parts), deionized water (0.5 part), TCPP (20 parts), TCEP (10 parts) and foaming agent (20 parts), and uniformly stirring to obtain the polyester polyol AK 7004.
And (3) injecting the combined polyether and the PAPI by using a low-pressure foaming machine at a flow rate of 30g/s, and foaming and forming at room temperature to obtain the door and window section.
Comparative example 1
The preparation method of the combined polyether comprises the following steps:
the preparation method comprises the following steps of putting polyester polyol AK7004(30 parts), polyether polyol Donol305(5 parts), Donol6049(55 parts) and Donol4040(10 parts) into a reaction kettle, sequentially adding catalysts POLYACAT 303(1 part), Dabco BX405(2 parts), K15(2 parts), DABCO T (0.5 part), silicone oil B8545(2 parts), deionized water (0.9 part), TCPP (20 parts) and TEP (20 parts), and uniformly stirring a foaming agent (25 parts).
And (3) injecting the combined polyether and the PAPI by using a low-pressure foaming machine at a flow rate of 30g/s, and foaming and forming at room temperature to obtain the door and window section.
The results of the effect tests on the products obtained in examples 1 to 4 are shown in table 1 below.
TABLE 1 comparison of relevant data in examples 1-4
Performance of | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example 1 |
Foaming state at 0 DEG C | Normal foaming | Normal foaming | Normal foaming | Normal foaming | Normal foaming |
Dimensional stability (%/-30 ℃, 24h) | -0.11 | -0.16 | -0.28 | -0.35 | -0.15 |
Dimensional stability (%/70 ℃, 24h) | +0.44 | +0.53 | +0.58 | +0.67 | +0.54 |
Coefficient of thermal conductivity (mW/m.k) | 18.9 | 19.4 | 19.7 | 19.8 | 20.1 |
Compressive Strength/KPa | 233.2 | 246.5 | 245.1 | 226.5 | 258.4 |
Oxygen index/% | 31.1% | 31.5% | 30.8% | 31.1% | 28.5% |
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (10)
1. The utility model provides a high fire-retardant low temperature foaming type bridge cut-off aluminium door and window wears strip foaming material composite polyether which characterized in that: the composite material comprises the following raw materials in parts by mass: 80-100 parts of polyester polyol, 0-20 parts of polyether polyol, 4-6 parts of catalyst, 2-3 parts of foam stabilizer, 30-40 parts of flame retardant, 20-25 parts of foaming agent and 0.5-1 part of water;
the polyester polyol has a hydroxyl value of 200-300mgKOH/g, a viscosity of 7000-12000mpa.s at 25 ℃, a functionality of 2.0-2.5 and a moisture content of less than or equal to 0.15 percent;
the hydroxyl value of the polyether polyol is 300-800mgKOH/g, the functionality is 3-6, and the moisture content is less than or equal to 0.15 percent.
2. The high flame-retardant low-temperature foaming type bridge-cut aluminum door and window strip-penetrating foaming material combined polyether as claimed in claim 1, which is characterized in that: the catalyst is one or more of POLYACAT 303, POLYACAT 8, Dabco BX405, K15, POLYCAT 41 or DABCO T.
3. The high flame-retardant low-temperature foaming type bridge-cut aluminum door and window strip-penetrating foaming material combined polyether as claimed in claim 1, which is characterized in that: the foam stabilizer is one or two of B8545 or B84813.
4. The high flame-retardant low-temperature foaming type bridge-cut aluminum door and window strip-penetrating foaming material combined polyether as claimed in claim 1, which is characterized in that: the flame retardant is TCPP, TEP or TCEP.
5. The high flame-retardant low-temperature foaming type bridge-cut aluminum door and window strip-penetrating foaming material combined polyether as claimed in claim 1, which is characterized in that: the foaming agent is HFC-245 fa.
6. A preparation method of the high flame-retardant low-temperature foaming type bridge-cut-off aluminum door and window strip-penetrating foaming material combined polyether disclosed by any one of claims 1 to 5 is characterized by comprising the following steps of: the raw materials are mixed evenly.
7. A high fire-retardant low temperature foaming type bridge cut-off aluminium door and window wears strip polyurethane foam which characterized in that: the high-flame-retardance low-temperature foaming type bridge-cut-off aluminum door and window penetrating strip foaming material is prepared from the combined polyether and isocyanate, wherein the mixing mass ratio of the combined polyether to the isocyanate is 1: 1-1.5.
8. The high flame-retardant low-temperature foaming type bridge-cut aluminum door and window penetrating strip polyurethane foam of claim 7, which is characterized in that: the isocyanate is polyphenyl polymethylene polyisocyanate.
9. A preparation method of high-flame-retardance low-temperature foaming type broken-bridge aluminum door and window penetrating strip polyurethane foam is characterized by comprising the following steps of: mixing the high-flame-retardant low-temperature foaming type bridge-cut-off aluminum door and window penetrating strip foaming material combined polyether disclosed by any one of claims 1-5 with the isocyanate by using a low-pressure foaming machine, and pouring the mixture into a paper strip foaming groove to penetrate into a cavity of a door and window profile to obtain the polyurethane rigid foam filled door and window profile.
10. The preparation method of the high flame-retardant low-temperature foaming type broken bridge aluminum door and window penetrating strip polyurethane foam according to claim 9, which is characterized by comprising the following steps of: when the combined polyether is mixed with the isocyanate, the feeding flow rate of the low-pressure foaming machine is 10-30 g/s.
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CN202111535303.XA CN114195975A (en) | 2021-12-15 | 2021-12-15 | High-flame-retardance low-temperature foaming type broken bridge aluminum door and window penetrating strip foaming material combined polyether and preparation method thereof, polyurethane foam and preparation method thereof |
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CN202111535303.XA CN114195975A (en) | 2021-12-15 | 2021-12-15 | High-flame-retardance low-temperature foaming type broken bridge aluminum door and window penetrating strip foaming material combined polyether and preparation method thereof, polyurethane foam and preparation method thereof |
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Cited By (1)
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CN115304734A (en) * | 2022-08-27 | 2022-11-08 | 绍兴市华创聚氨酯有限公司 | High-temperature-resistant flame-retardant door body combined polyether and preparation method thereof |
Citations (1)
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CN112708105A (en) * | 2020-12-28 | 2021-04-27 | 上海东大聚氨酯有限公司 | High-flame-retardance low-temperature foaming type door and window strip penetrating foaming material, polyurethane foam and preparation method of polyurethane foam |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112708105A (en) * | 2020-12-28 | 2021-04-27 | 上海东大聚氨酯有限公司 | High-flame-retardance low-temperature foaming type door and window strip penetrating foaming material, polyurethane foam and preparation method of polyurethane foam |
CN113402696A (en) * | 2020-12-28 | 2021-09-17 | 上海东大聚氨酯有限公司 | High-flame-retardance low-temperature foaming type door and window strip penetrating foaming material, polyurethane foam and preparation method of polyurethane foam |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115304734A (en) * | 2022-08-27 | 2022-11-08 | 绍兴市华创聚氨酯有限公司 | High-temperature-resistant flame-retardant door body combined polyether and preparation method thereof |
CN115304734B (en) * | 2022-08-27 | 2024-03-08 | 浙江华创碳一智造有限公司 | High-temperature-resistant flame-retardant combined polyether for door body and preparation method thereof |
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