CN113416294A - Cold curing high-resilience foam material for automobile seat and preparation method thereof - Google Patents
Cold curing high-resilience foam material for automobile seat and preparation method thereof Download PDFInfo
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- CN113416294A CN113416294A CN202110592708.0A CN202110592708A CN113416294A CN 113416294 A CN113416294 A CN 113416294A CN 202110592708 A CN202110592708 A CN 202110592708A CN 113416294 A CN113416294 A CN 113416294A
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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
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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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
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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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 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
- 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
- C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
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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
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
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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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/05—Open cells, i.e. more than 50% of the pores are open
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a preparation process of an automobile seat material, in particular to a cold curing high-resilience foam material for an automobile seat and a preparation method thereof, wherein the cold curing high-resilience foam material comprises 15-44 parts of polymer polyol by parts; 24-40 parts of polyether polyol; 0.1-0.2 part of foaming agent; 0.3-0.5 part of gel; 0.4-1.4 parts of a crosslinking agent; 0.5-0.9 part of silicone oil; 0.5-1.5 parts of a pore forming agent; 0.2-0.5 part of glycerol; 4-6 parts of water; 15-17 parts of toluene diisocyanate; 15-17 parts of polyphenyl polymethylene polyisocyanate and is prepared according to the steps from the first step to the sixth step, so that a foamed product is produced with high efficiency and the void ratio is low.
Description
Technical Field
The invention relates to a preparation process of an automobile seat material, in particular to a cold curing high-resilience foam material for an automobile seat and a preparation method thereof.
Background
The cold curing high-resilience polyurethane foam product is an excellent automobile seat foaming material, has the advantages of good resilience, excellent flame retardant property, low cost and the like, but in the actual production of the high-resilience foam product, the phenomenon that a cavity exists on the local part of the foam product is often encountered, the apparent quality of the product is influenced, or the foam product is scrapped, and the riding comfort is influenced even after the foam product is repaired. The improvement mode for continuing the problem is to reduce the foaming inspiration and the gelling speed during the production, so that the voiding phenomenon of the product is obviously reduced, but the curing time required by the production is prolonged, the production efficiency is greatly reduced, and the production cost is increased if the low voiding rate foamed product is produced.
Disclosure of Invention
Aiming at the defects, the invention provides a cold curing high-resilience foam material for an automobile seat, which comprises 15-44 parts of polymer polyol;
24-40 parts of polyether polyol;
0.1-0.2 part of foaming agent;
0.3-0.5 part of gel;
0.4-1.4 parts of a crosslinking agent;
0.5-0.9 part of silicone oil;
0.5-1.5 parts of a pore forming agent;
0.2-0.5 part of glycerol;
4-6 parts of water;
15-17 parts of toluene diisocyanate;
15-17 parts of polyphenyl polymethylene polyisocyanate.
Preferably, 44 parts of polymer polyol;
24 parts of polyether polyol;
0.1 part of foaming agent;
0.3 part of gel;
0.4 part of a crosslinking agent;
0.5 part of silicone oil;
0.5 part of a pore forming agent;
0.2 part of glycerol;
4 parts of water;
15 parts of toluene diisocyanate;
15 parts of polyphenyl polymethylene polyisocyanate.
Preferably, 15 parts of polymer polyol;
40 parts of polyether polyol;
0.2 part of foaming agent;
0.5 part of gel;
1.4 parts of a crosslinking agent;
0.9 part of silicone oil;
1.5 parts of a pore forming agent;
0.5 part of glycerol;
6 parts of water;
17 parts of toluene diisocyanate;
polyphenyl polymethylene polyisocyanate 17 parts.
Preferably, 30 parts of polymer polyol;
30 parts of polyether polyol;
0.1 part of foaming agent;
0.4 part of gel;
0.7 part of a crosslinking agent;
0.7 part of silicone oil;
0.8 part of a pore forming agent;
0.3 part of glycerol;
5 parts of water;
16 parts of toluene diisocyanate;
16 parts of polyphenyl polymethylene polyisocyanate.
Preferably, the polyether polyol has a molecular weight of 6000.
A preparation method of a cold curing high-resilience foam material for an automobile seat comprises the following steps,
the method comprises the following steps: injecting polymer polyol and polyether polyol into a combined material stirring kettle with the rotating speed of 500r/min and stirring for 30 min;
step two: injecting a foaming agent, a gelling agent, a cross-linking agent, silicone oil, a pore-forming agent and glycerol into a catalyst stirring kettle with the rotating speed of 500r/min, and stirring for 30 min;
step three: injecting water into the combined material stirring kettle in the first step, simultaneously injecting the mixed material in the second step into the combined material stirring kettle in the first step, and continuously stirring for 4 hours;
step four: injecting the mixture which is stirred and mixed in the third step into a storage tank of a foaming machine;
step five: synchronously injecting toluene diisocyanate and polyphenyl polymethylene polyisocyanate into the foaming machine storage tank in the fifth step, and mixing;
step six: pouring the mixture in the fifth step into a mold with the temperature of 55-60 ℃ according to the pouring time of 3.5s, the pouring temperature of 18-25 ℃ and the pouring pressure of 100 Bar-130 Bar, and taking out the molded foamed product after 2-3 min of in-mold reaction of the mold after pouring.
In conclusion, the invention has the beneficial effects that: the catalyst for promoting the post-curing of the foamed product is added on the basis of the existing cold curing high-resilience foaming formula without affecting the quality of the product, so that the foamed product is produced efficiently and the void ratio is low.
Detailed Description
The following is a detailed description of several preferred embodiments of the invention, but the invention is not limited to these embodiments only. The invention is intended to cover alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Example one
A cold-cured high-resilience foam material for car seats comprises the following components in parts by weight
15-44 parts of polymer polyol;
24-40 parts of polyether polyol;
0.1-0.2 part of foaming agent;
0.3-0.5 part of gel;
0.4-1.4 parts of a crosslinking agent;
0.5-0.9 part of silicone oil;
0.5-1.5 parts of a pore forming agent;
0.2-0.5 part of glycerol;
4-6 parts of water;
15-17 parts of toluene diisocyanate;
15-17 parts of polyphenyl polymethylene polyisocyanate.
In this example, 44 parts of polymer polyol;
24 parts of polyether polyol;
0.1 part of foaming agent;
0.3 part of gel;
0.4 part of a crosslinking agent;
0.5 part of silicone oil;
0.5 part of a pore forming agent;
0.2 part of glycerol;
4 parts of water;
15 parts of toluene diisocyanate;
15 parts of polyphenyl polymethylene polyisocyanate.
In this example, the polyether polyol has a molecular weight of 6000.
A preparation method of a cold curing high-resilience foam material for an automobile seat comprises the following steps,
the method comprises the following steps: injecting polymer polyol and polyether polyol into a combined material stirring kettle with the rotating speed of 500r/min and stirring for 30 min;
step two: injecting a foaming agent, a gelling agent, a cross-linking agent, silicone oil, a pore-forming agent and glycerol into a catalyst stirring kettle with the rotating speed of 500r/min, and stirring for 30 min;
step three: injecting water into the combined material stirring kettle in the first step, simultaneously injecting the mixed material in the second step into the combined material stirring kettle in the first step, and continuously stirring for 4 hours;
step four: injecting the mixture which is stirred and mixed in the third step into a storage tank of a foaming machine;
step five: synchronously injecting toluene diisocyanate and polyphenyl polymethylene polyisocyanate into the foaming machine storage tank in the fifth step, and mixing;
step six: pouring the mixture in the fifth step into a mold with the temperature of 55-60 ℃ according to the pouring time of 3.5s, the pouring temperature of 18-25 ℃ and the pouring pressure of 100 Bar-130 Bar, and taking out the molded foamed product after 2-3 min of in-mold reaction of the mold after pouring.
Example two
A cold-cured high-resilience foam material for car seats comprises the following components in parts by weight
15-44 parts of polymer polyol;
24-40 parts of polyether polyol;
0.1-0.2 part of foaming agent;
0.3-0.5 part of gel;
0.4-1.4 parts of a crosslinking agent;
0.5-0.9 part of silicone oil;
0.5-1.5 parts of a pore forming agent;
0.2-0.5 part of glycerol;
4-6 parts of water;
15-17 parts of toluene diisocyanate;
15-17 parts of polyphenyl polymethylene polyisocyanate.
In this example, 15 parts of polymer polyol;
40 parts of polyether polyol;
0.2 part of foaming agent;
0.5 part of gel;
1.4 parts of a crosslinking agent;
0.9 part of silicone oil;
1.5 parts of a pore forming agent;
0.5 part of glycerol;
6 parts of water;
17 parts of toluene diisocyanate;
polyphenyl polymethylene polyisocyanate 17 parts.
In this example, the polyether polyol has a molecular weight of 6000.
A preparation method of a cold curing high-resilience foam material for an automobile seat comprises the following steps,
the method comprises the following steps: injecting polymer polyol and polyether polyol into a combined material stirring kettle with the rotating speed of 500r/min and stirring for 30 min;
step two: injecting a foaming agent, a gelling agent, a cross-linking agent, silicone oil, a pore-forming agent and glycerol into a catalyst stirring kettle with the rotating speed of 500r/min, and stirring for 30 min;
step three: injecting water into the combined material stirring kettle in the first step, simultaneously injecting the mixed material in the second step into the combined material stirring kettle in the first step, and continuously stirring for 4 hours;
step four: injecting the mixture which is stirred and mixed in the third step into a storage tank of a foaming machine;
step five: synchronously injecting toluene diisocyanate and polyphenyl polymethylene polyisocyanate into the foaming machine storage tank in the fifth step, and mixing;
step six: pouring the mixture in the fifth step into a mold with the temperature of 55-60 ℃ according to the pouring time of 3.5s, the pouring temperature of 18-25 ℃ and the pouring pressure of 100 Bar-130 Bar, and taking out the molded foamed product after 2-3 min of in-mold reaction of the mold after pouring.
EXAMPLE III
A cold-cured high-resilience foam material for car seats comprises the following components in parts by weight
15-44 parts of polymer polyol;
24-40 parts of polyether polyol;
0.1-0.2 part of foaming agent;
0.3-0.5 part of gel;
0.4-1.4 parts of a crosslinking agent;
0.5-0.9 part of silicone oil;
0.5-1.5 parts of a pore forming agent;
0.2-0.5 part of glycerol;
4-6 parts of water;
15-17 parts of toluene diisocyanate;
15-17 parts of polyphenyl polymethylene polyisocyanate.
In this example, 30 parts of a polymer polyol;
30 parts of polyether polyol;
0.1 part of foaming agent;
0.4 part of gel;
0.7 part of a crosslinking agent;
0.7 part of silicone oil;
0.8 part of a pore forming agent;
0.3 part of glycerol;
5 parts of water;
16 parts of toluene diisocyanate;
16 parts of polyphenyl polymethylene polyisocyanate.
In this example, the polyether polyol has a molecular weight of 6000.
A preparation method of a cold curing high-resilience foam material for an automobile seat comprises the following steps,
the method comprises the following steps: injecting polymer polyol and polyether polyol into a combined material stirring kettle with the rotating speed of 500r/min and stirring for 30 min;
step two: injecting a foaming agent, a gelling agent, a cross-linking agent, silicone oil, a pore-forming agent and glycerol into a catalyst stirring kettle with the rotating speed of 500r/min, and stirring for 30 min;
step three: injecting water into the combined material stirring kettle in the first step, simultaneously injecting the mixed material in the second step into the combined material stirring kettle in the first step, and continuously stirring for 4 hours;
step four: injecting the mixture which is stirred and mixed in the third step into a storage tank of a foaming machine;
step five: synchronously injecting toluene diisocyanate and polyphenyl polymethylene polyisocyanate into the foaming machine storage tank in the fifth step, and mixing;
step six: pouring the mixture in the fifth step into a mold with the temperature of 55-60 ℃ according to the pouring time of 3.5s, the pouring temperature of 18-25 ℃ and the pouring pressure of 100 Bar-130 Bar, and taking out the molded foamed product after 2-3 min of in-mold reaction of the mold after pouring.
In conclusion, the production efficiency of the glycerol addition is improved by 1 min/circle compared with that of the glycerol addition, the actual linear speed of the foaming circular line is 5 min/circle (30-station circular line), the linear speed is improved to 8.5 min/circle under the condition that the product curing is not influenced and the void ratio is low, the production efficiency is improved by 10.5 percent, and the void ratio of the foaming product is obviously reduced.
In conclusion, the invention has the beneficial effects that: the catalyst for promoting the post-curing of the foamed product is added on the basis of the existing cold curing high-resilience foaming formula without affecting the quality of the product, so that the foamed product is produced efficiently and the void ratio is low.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a high resilience expanded material of cold curing of car seat which characterized in that: in parts by weight, comprises
15-44 parts of polymer polyol;
24-40 parts of polyether polyol;
0.1-0.2 part of foaming agent;
0.3-0.5 part of gel;
0.4-1.4 parts of a crosslinking agent;
0.5-0.9 part of silicone oil;
0.5-1.5 parts of a pore forming agent;
0.2-0.5 part of glycerol;
4-6 parts of water;
15-17 parts of toluene diisocyanate;
15-17 parts of polyphenyl polymethylene polyisocyanate.
2. The cold-cured high resilience foam material for automobile seats according to claim 1,
44 parts of polymer polyol;
24 parts of polyether polyol;
0.1 part of foaming agent;
0.3 part of gel;
0.4 part of a crosslinking agent;
0.5 part of silicone oil;
0.5 part of a pore forming agent;
0.2 part of glycerol;
4 parts of water;
15 parts of toluene diisocyanate;
15 parts of polyphenyl polymethylene polyisocyanate.
3. The cold-cured high resilience foam material for automobile seats according to claim 1, wherein,
15 parts of polymer polyol;
40 parts of polyether polyol;
0.2 part of foaming agent;
0.5 part of gel;
1.4 parts of a crosslinking agent;
0.9 part of silicone oil;
1.5 parts of a pore forming agent;
0.5 part of glycerol;
6 parts of water;
17 parts of toluene diisocyanate;
polyphenyl polymethylene polyisocyanate 17 parts.
4. The cold-cured high resilience foam material for automobile seats according to claim 1, wherein,
30 parts of polymer polyol;
30 parts of polyether polyol;
0.1 part of foaming agent;
0.4 part of gel;
0.7 part of a crosslinking agent;
0.7 part of silicone oil;
0.8 part of a pore forming agent;
0.3 part of glycerol;
5 parts of water;
16 parts of toluene diisocyanate;
16 parts of polyphenyl polymethylene polyisocyanate.
5. The cold-cure high resilience foam material for automobile seats according to claim 1, wherein the polyether polyol has a molecular weight of 6000.
6. The method for preparing the cold curing high resilience foam material for the automobile seat according to claim 1, which comprises the following steps,
the method comprises the following steps: injecting polymer polyol and polyether polyol into a combined material stirring kettle with the rotating speed of 500r/min and stirring for 30 min;
step two: injecting a foaming agent, a gelling agent, a cross-linking agent, silicone oil, a pore-forming agent and glycerol into a catalyst stirring kettle with the rotating speed of 500r/min, and stirring for 30 min;
step three: injecting water into the combined material stirring kettle in the first step, simultaneously injecting the mixed material in the second step into the combined material stirring kettle in the first step, and continuously stirring for 4 hours;
step four: injecting the mixture which is stirred and mixed in the third step into a storage tank of a foaming machine;
step five: synchronously injecting toluene diisocyanate and polyphenyl polymethylene polyisocyanate into the foaming machine storage tank in the fifth step, and mixing;
step six: pouring the mixture in the fifth step into a mold with the temperature of 55-60 ℃ according to the pouring time of 3.5s, the pouring temperature of 18-25 ℃ and the pouring pressure of 100 Bar-130 Bar, and taking out the molded foamed product after 2-3 min of in-mold reaction of the mold after pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592708.0A CN113416294A (en) | 2021-05-28 | 2021-05-28 | Cold curing high-resilience foam material for automobile seat and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110592708.0A CN113416294A (en) | 2021-05-28 | 2021-05-28 | Cold curing high-resilience foam material for automobile seat and preparation method thereof |
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| CN113416294A true CN113416294A (en) | 2021-09-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007320991A (en) * | 2006-05-30 | 2007-12-13 | Inoac Corp | Method for producing polyurethane foam |
| CN101096406A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Cold curing polyurethane high-resilience foam component material and preparation method thereof |
| CN106750169A (en) * | 2016-12-21 | 2017-05-31 | 重庆德盈汽车零部件有限公司 | A kind of high resilience polyurethane foam and preparation method thereof |
| CN109232843A (en) * | 2017-07-11 | 2019-01-18 | 重庆宏立至信科技发展集团股份有限公司 | Low VOC, high rebound seat foam of low smell and preparation method thereof |
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2021
- 2021-05-28 CN CN202110592708.0A patent/CN113416294A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007320991A (en) * | 2006-05-30 | 2007-12-13 | Inoac Corp | Method for producing polyurethane foam |
| CN101096406A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Cold curing polyurethane high-resilience foam component material and preparation method thereof |
| CN106750169A (en) * | 2016-12-21 | 2017-05-31 | 重庆德盈汽车零部件有限公司 | A kind of high resilience polyurethane foam and preparation method thereof |
| CN109232843A (en) * | 2017-07-11 | 2019-01-18 | 重庆宏立至信科技发展集团股份有限公司 | Low VOC, high rebound seat foam of low smell and preparation method thereof |
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Application publication date: 20210921 |