CN114634702A - Flame-retardant automotive interior sponge and preparation method thereof - Google Patents
Flame-retardant automotive interior sponge and preparation method thereof Download PDFInfo
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- CN114634702A CN114634702A CN202210414172.8A CN202210414172A CN114634702A CN 114634702 A CN114634702 A CN 114634702A CN 202210414172 A CN202210414172 A CN 202210414172A CN 114634702 A CN114634702 A CN 114634702A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to the technical field of manufacturing of flame-retardant sponge for automobiles, and particularly relates to a flame-retardant automobile interior sponge and a preparation method thereof, wherein the flame-retardant automobile interior sponge comprises the following raw materials in parts by weight: 70-85 parts of polyether polyol, 30-45 parts of aluminum hydroxide, 30-45 parts of magnesium hydroxide, 30-45 parts of hydrated zinc borate, 8-16 parts of phosphate, 25-40 parts of silicone oil, 20-35 parts of water, 5-8 parts of foaming agent, 5-8 parts of precipitator, 2-8 parts of stabilizer, 1-4 parts of catalyst and 2-8 parts of antioxidant.
Description
Technical Field
The invention relates to the technical field of manufacturing of flame-retardant sponge for automobiles, in particular to flame-retardant sponge for automobile interiors and a preparation method thereof.
Background
The fireproof sponge is also called as flame-retardant sponge, fireproof cotton and flame-retardant cotton, is a fireproof material synthesized by various polyurethanes with flame retardants, and is mainly applied to furniture manufacture, massage equipment manufacture, baby carriage manufacture, decoration, automobile ornaments, wall sound absorption, heat preservation pipes, fireproof doors, fireproof rolling shutters and other aspects.
Most of the existing flame-retardant sponge for automobiles is in a carbon deposit state after combustion, the sponge is flame-retardant, the sponge is prevented from being continuously combusted, but the combusted sponge still has high temperature and is easy to cause secondary ignition, and therefore, the flame-retardant automobile interior sponge and the preparation method thereof are provided.
Disclosure of Invention
The invention is provided in view of the above and/or problems existing in the existing flame-retardant automotive interior sponge and the preparation method thereof.
Therefore, an object of the present invention is to provide a flame retardant automotive interior sponge and a method for preparing the same, wherein a liquefied solution of aluminum hydroxide, magnesium hydroxide and hydrated zinc borate is added to a foamed automotive interior sponge, so that the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate are fused with the foamed automotive interior sponge to form a composite automotive interior sponge, and the above-mentioned problems can be solved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a flame retardant automotive interior sponge comprising: the following raw materials (in parts by weight):
70-85 parts of polyether polyol, 30-45 parts of aluminum hydroxide, 30-45 parts of magnesium hydroxide, 30-45 parts of hydrated zinc borate, 8-16 parts of phosphate, 25-40 parts of silicone oil, 20-35 parts of water, 5-8 parts of foaming agent, 5-8 parts of precipitator, 2-8 parts of stabilizer, 1-4 parts of catalyst and 2-8 parts of antioxidant.
As a preferred scheme of the flame-retardant automotive interior sponge, the invention comprises the following steps: comprises the following raw materials (by weight portion):
70 parts of polyether polyol, 30 parts of aluminum hydroxide, 30 parts of magnesium hydroxide, 30 parts of hydrated zinc borate, 8 parts of phosphate, 25 parts of silicone oil, 20 parts of water, 5 parts of foaming agent, 5 parts of precipitator, 2 parts of stabilizer, 1 part of catalyst and 2 parts of antioxidant.
As a preferable scheme of the flame-retardant automotive interior sponge of the present invention, wherein: comprises the following raw materials (by weight portion):
75 parts of polyether polyol, 35 parts of aluminum hydroxide, 35 parts of magnesium hydroxide, 35 parts of hydrated zinc borate, 10 parts of phosphate, 30 parts of silicone oil, 25 parts of water, 6 parts of foaming agent, 6 parts of precipitator, 4 parts of stabilizer, 2 parts of catalyst and 4 parts of antioxidant.
As a preferable scheme of the flame-retardant automotive interior sponge of the present invention, wherein: comprises the following raw materials (by weight portion):
80 parts of polyether polyol, 40 parts of aluminum hydroxide, 40 parts of magnesium hydroxide, 40 parts of hydrated zinc borate, 14 parts of phosphate, 35 parts of silicone oil, 30 parts of water, 7 parts of foaming agent, 7 parts of precipitator, 6 parts of stabilizer, 3 parts of catalyst and 6 parts of antioxidant.
As a preferable scheme of the flame-retardant automotive interior sponge of the present invention, wherein: comprises the following raw materials (by weight portion):
85 parts of polyether polyol, 45 parts of aluminum hydroxide, 45 parts of magnesium hydroxide, 45 parts of hydrated zinc borate, 16 parts of phosphate, 40 parts of silicone oil, 35 parts of water, 8 parts of foaming agent, 8 parts of precipitator, 8 parts of stabilizer, 4 parts of catalyst and 8 parts of antioxidant.
The preparation method of the flame-retardant automotive interior sponge comprises the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, and putting the uniformly stirred mixture into a freezing chamber for standing for later use;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, and standing the mixed solution;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, and adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer to stir and foam;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, and pressurizing and drying the mixture in the mold to form the foamed material;
s7: and taking out the dried mould to obtain the automotive interior sponge.
As a preferable scheme of the preparation method of the flame-retardant automotive interior sponge, the method comprises the following steps: the standing time in S1 was set to 45 minutes.
As a preferable scheme of the preparation method of the flame-retardant automotive interior sponge, the method comprises the following steps: the standing time in S3 was set to 30 minutes.
As a preferable scheme of the preparation method of the flame-retardant automotive interior sponge, the method comprises the following steps: the agitator speed in S4 was set to 6000 rpm.
As a preferable scheme of the preparation method of the flame-retardant automotive interior sponge, the method comprises the following steps: and in the S6, the liquefied liquid of the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate is fully mixed with the foaming solution.
Compared with the prior art: through adding aluminium hydroxide, magnesium hydroxide and hydrated zinc borate liquefied solution in the automotive interior sponge of foaming, make aluminium hydroxide, magnesium hydroxide and hydrated zinc borate fuse each other with the automotive interior sponge in the foaming, form compound automotive interior sponge, when burning, hydrated zinc borate can effectual prevention burning's further diffusion, and inside aluminium hydroxide and magnesium hydroxide produce white solid when burning, cover on automotive interior sponge surface, thereby insulate against heat and fire-retardant to automotive interior sponge, can effectually prevent that automotive interior sponge from gathering a large amount of heats because of burning, lead to the harm of secondary ignition to take place.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
The invention provides a flame-retardant automotive interior sponge and a preparation method thereof, and the flame-retardant automotive interior sponge comprises the following raw materials (in parts by weight):
70 parts of polyether polyol, 30 parts of aluminum hydroxide, 30 parts of magnesium hydroxide, 30 parts of hydrated zinc borate, 8 parts of phosphate, 25 parts of silicone oil, 20 parts of water, 5 parts of foaming agent, 5 parts of precipitator, 2 parts of stabilizer, 1 part of catalyst and 2 parts of antioxidant;
the preparation method of the flame-retardant automotive interior sponge comprises the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, putting the uniformly stirred mixture into a freezing chamber, and standing for standby, wherein the standing time is set to be 45 minutes;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, standing the mixed solution for 30 minutes;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer, stirring and foaming, wherein the rotating speed of the stirrer is set to be 6000 revolutions per minute;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, pressurizing and drying the mixture in the mold to form the foamed material, wherein the liquefied liquid of the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate is fully mixed with the foaming solution;
s7: taking out the dried mould to obtain the automotive interior sponge;
the embodiment 2 provides a flame-retardant automotive interior sponge and a preparation method thereof, and the flame-retardant automotive interior sponge comprises the following raw materials (in parts by weight):
75 parts of polyether polyol, 35 parts of aluminum hydroxide, 35 parts of magnesium hydroxide, 35 parts of hydrated zinc borate, 10 parts of phosphate, 30 parts of silicone oil, 25 parts of water, 6 parts of foaming agent, 6 parts of precipitator, 4 parts of stabilizer, 2 parts of catalyst and 4 parts of antioxidant;
the preparation method of the flame-retardant automotive interior sponge comprises the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, putting the uniformly stirred mixture into a freezing chamber, and standing for standby, wherein the standing time is set to be 45 minutes;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, standing the mixed solution for 30 minutes;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer, stirring and foaming, wherein the rotating speed of the stirrer is set to be 6000 revolutions per minute;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, pressurizing and drying the mixture in the mold to form the foamed material, wherein the liquefied liquid of the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate is fully mixed with the foaming solution;
s7: taking out the dried mould to obtain the automotive interior sponge;
embodiment 3, the invention provides a flame-retardant automotive interior sponge and a preparation method thereof, wherein the flame-retardant automotive interior sponge comprises the following raw materials (in parts by weight):
80 parts of polyether polyol, 40 parts of aluminum hydroxide, 40 parts of magnesium hydroxide, 40 parts of hydrated zinc borate, 14 parts of phosphate, 35 parts of silicone oil, 30 parts of water, 7 parts of foaming agent, 7 parts of precipitator, 6 parts of stabilizer, 3 parts of catalyst and 6 parts of antioxidant;
the preparation method of the flame-retardant automotive interior sponge comprises the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, putting the uniformly stirred mixture into a freezing chamber, and standing for standby, wherein the standing time is set to be 45 minutes;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, standing the mixed solution for 30 minutes;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer, stirring and foaming, wherein the rotating speed of the stirrer is set to be 6000 revolutions per minute;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, pressurizing and drying the mixture in the mold to form the foamed material, wherein the liquefied liquid of the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate is fully mixed with the foaming solution;
s7: taking out the dried mould to obtain the automotive interior sponge;
embodiment 4, the invention provides a flame-retardant automotive interior sponge and a preparation method thereof, wherein the flame-retardant automotive interior sponge comprises the following raw materials (in parts by weight):
85 parts of polyether polyol, 45 parts of aluminum hydroxide, 45 parts of magnesium hydroxide, 45 parts of hydrated zinc borate, 16 parts of phosphate, 40 parts of silicone oil, 35 parts of water, 8 parts of foaming agent, 8 parts of precipitator, 8 parts of stabilizer, 4 parts of catalyst and 8 parts of antioxidant;
the preparation method of the flame-retardant automotive interior sponge comprises the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, putting the uniformly stirred mixture into a freezing chamber, and standing for standby, wherein the standing time is set to be 45 minutes;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, standing the mixed solution for 30 minutes;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer, stirring and foaming, wherein the rotating speed of the stirrer is set to be 6000 revolutions per minute;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, pressurizing and drying the mixture in the mold to form the foamed material, wherein the liquefied liquid of the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate is fully mixed with the foaming solution;
s7: taking out the dried mould to obtain the automotive interior sponge;
the polyether polyol is prepared by taking low molecular weight polyol, polyamine or a compound containing active hydrogen as an initiator and performing ring opening polymerization with alkylene oxide under the action of a catalyst, and is mainly used for a detergent or an antifoaming agent;
the hydrated zinc borate is an environment-friendly non-halogen flame retardant and has the characteristics of no toxicity, low water solubility, high thermal stability, small granularity, small specific gravity, good dispersibility and the like;
the phosphate ester is an additive flame retardant, can be used in the production of polyurethane soft foams and hard foams, but has better effect when used for the hard foams because the hard foams have high closed pore rate and small air permeability, the volatilization of the flame retardant is difficult, and the flame retardant effect is maintained for a long time;
the automotive interior sponge prepared in the above examples 1 to 4 was subjected to a test with the existing automotive interior sponge, and the following data were obtained:
wherein the flame retardant grade is gradually decreased from V-0, V-1, V-2 to HB, and the flame retardant grade is V-0: after the sample was subjected to two 10-second combustion tests, the flame was extinguished within 30 seconds, no combustibles could fall, V-1: after the sample is subjected to two 10-second combustion tests, the flame is extinguished within 60 seconds, and no combustible can fall off, and after the sample is subjected to two 10-second combustion tests, the flame is extinguished within 60 seconds, and the combustible can fall off, wherein HB is the lowest flame retardance in UL.94 and cSA C22.2No 0.17 standards;
according to the experimental data of the above table, the automotive interior sponge prepared in examples 1-4 has good performance in flame retardancy, wear resistance, toughness and aging resistance, compared with the existing automotive interior sponge;
according to the invention, the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate liquefied solution are added into the foamed automotive interior sponge, so that the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate are mutually fused with the foamed automotive interior sponge to form the composite automotive interior sponge, when the composite automotive interior sponge is combusted, the hydrated zinc borate can effectively prevent further diffusion of combustion, and white solids are generated during combustion of the internal aluminum hydroxide and the internal magnesium hydroxide and cover the surface of the automotive interior sponge, so that the automotive interior sponge is subjected to heat insulation and flame retardance, and the secondary ignition hazard caused by the fact that the automotive interior sponge is combusted and accumulated with a large amount of heat can be effectively prevented.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a fire-retardant type automotive interior sponge which characterized in that: comprises the following raw materials (by weight portion):
70-85 parts of polyether polyol, 30-45 parts of aluminum hydroxide, 30-45 parts of magnesium hydroxide, 30-45 parts of hydrated zinc borate, 8-16 parts of phosphate, 25-40 parts of silicone oil, 20-35 parts of water, 5-8 parts of foaming agent, 5-8 parts of precipitator, 2-8 parts of stabilizer, 1-4 parts of catalyst and 2-8 parts of antioxidant.
2. The flame-retardant automotive interior sponge according to claim 1, which is characterized by comprising the following raw materials (in parts by weight):
70 parts of polyether polyol, 30 parts of aluminum hydroxide, 30 parts of magnesium hydroxide, 30 parts of hydrated zinc borate, 8 parts of phosphate, 25 parts of silicone oil, 20 parts of water, 5 parts of foaming agent, 5 parts of precipitator, 2 parts of stabilizer, 1 part of catalyst and 2 parts of antioxidant.
3. The flame-retardant automotive interior sponge according to claim 1, which is characterized by comprising the following raw materials (in parts by weight):
75 parts of polyether polyol, 35 parts of aluminum hydroxide, 35 parts of magnesium hydroxide, 35 parts of hydrated zinc borate, 10 parts of phosphate, 30 parts of silicone oil, 25 parts of water, 6 parts of foaming agent, 6 parts of precipitator, 4 parts of stabilizer, 2 parts of catalyst and 4 parts of antioxidant.
4. The flame-retardant automotive interior sponge according to claim 1, which is characterized by comprising the following raw materials (in parts by weight):
80 parts of polyether polyol, 40 parts of aluminum hydroxide, 40 parts of magnesium hydroxide, 40 parts of hydrated zinc borate, 14 parts of phosphate, 35 parts of silicone oil, 30 parts of water, 7 parts of foaming agent, 7 parts of precipitator, 6 parts of stabilizer, 3 parts of catalyst and 6 parts of antioxidant.
5. The flame-retardant automotive interior sponge according to claim 1, characterized by comprising the following raw materials (in parts by weight):
85 parts of polyether polyol, 45 parts of aluminum hydroxide, 45 parts of magnesium hydroxide, 45 parts of hydrated zinc borate, 16 parts of phosphate, 40 parts of silicone oil, 35 parts of water, 8 parts of foaming agent, 8 parts of precipitator, 8 parts of stabilizer, 4 parts of catalyst and 8 parts of antioxidant.
6. The preparation method of the flame-retardant automotive interior sponge is characterized by further comprising the following operation steps:
s1: mixing and stirring a proper amount of polyether polyol and phosphate, and putting the uniformly stirred mixture into a freezing chamber for standing for later use;
s2: taking out the frozen polyether polyol and phosphate ester mixture, putting the mixture into a vessel, and adding a proper amount of water and a stabilizer into the vessel for mixing;
s3: adding a proper amount of precipitator into the mixed solution, stirring and mixing, and standing the mixed solution;
s4: taking the lower-layer precipitate of the solution after standing, putting the precipitate into a stirrer, and adding silicone oil, a foaming agent, a stabilizer, a catalyst and an antioxidant into the stirrer to stir and foam;
s5: liquefying the aluminum hydroxide, the magnesium hydroxide and the hydrated zinc borate, and pouring into a foaming stirrer for mixing;
s6: taking out the foamed mixture, putting the foamed mixture into a mold, and pressurizing and drying the mixture in the mold to form the foamed material;
s7: and taking out the dried mould to obtain the automotive interior sponge.
7. The preparation method of the flame-retardant automotive interior sponge according to claim 6, wherein the standing time in S1 is set to 45 minutes.
8. The method for preparing the flame-retardant automotive interior sponge according to claim 6, wherein the standing time in S3 is set to 30 minutes.
9. The method for preparing the flame-retardant automotive interior sponge according to claim 6, wherein the mixer speed is set to 6000 rpm in S4.
10. The method for preparing the flame-retardant automotive interior sponge according to claim 6, wherein the liquefied liquid of aluminum hydroxide, magnesium hydroxide and hydrated zinc borate in the step S6 is fully mixed with the foaming solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414172.8A CN114634702A (en) | 2022-04-20 | 2022-04-20 | Flame-retardant automotive interior sponge and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414172.8A CN114634702A (en) | 2022-04-20 | 2022-04-20 | Flame-retardant automotive interior sponge and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114634702A true CN114634702A (en) | 2022-06-17 |
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ID=81951904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210414172.8A Withdrawn CN114634702A (en) | 2022-04-20 | 2022-04-20 | Flame-retardant automotive interior sponge and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114634702A (en) |
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2022
- 2022-04-20 CN CN202210414172.8A patent/CN114634702A/en not_active Withdrawn
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Application publication date: 20220617 |
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