CN109651802A - A kind of foamed material of automotive seat and its preparation method and application - Google Patents
A kind of foamed material of automotive seat and its preparation method and application Download PDFInfo
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Abstract
The invention discloses a kind of foamed materials of automotive seat, it is related to field of automobile, the foamed material includes raw material below: major ingredient, crosslinking agent, sodium sulfate of polyethenoxy ether of fatty alcohol, bisphenol A type epoxy resin, triethylene diamine, Siloxane-Oxyalkylene Copolymers, polyether polyol, konjaku glucomannan, pine needle, Radix Isatidis；The major ingredient is that toluene di-isocyanate(TDI) is mixed with polydiallyl phthalate.The invention also discloses the preparation methods of the foamed material of the automotive seat.In order to solve the problems, such as that automotive seat causes impact rebound degree and tearing toughness poor using EVA foamed material; the present invention is cooperated by pine needle, konjaku glucomannan and Radix Isatidis; assisting ultrasonic stir process simultaneously; improve the coefficient of foaming of foamed material; the tearing toughness of foamed material can be effectively improved; with good impact rebound degree, it is easy to accomplish large-scale production has a vast market foreground.
Description
Technical field
The present invention relates to field of automobile, foamed material of specifically a kind of automotive seat and preparation method thereof and
Using.
Background technique
With the continuous development of science and technology, automobile is provided as a kind of common vehicles for the life and work of people
Convenience, wherein important device one of of the seat as motorcar interior can provide convenient for operation for driver and conductor, relax
Fit driving, the seating position of safety.In general, seat is made of skeleton, seat cushion, backrest and regulating mechanism etc., and seat cushion and backrest
It is usually prepared using foamed material, the usability of the fine or not direct requirement of foamed material quality to automotive seat
Energy.
But in order to improve the damping effect of automotive seat, partial automobile seat can be sent out using the EVA compared with high-foaming multiple
Foam material causes to impact rebound degree and tearing toughness is poor, greatly reduces the service life of automotive seat.Therefore, it designs
A kind of foamed material of automotive seat, the problem of becoming urgent need to resolve.
Summary of the invention
The purpose of the present invention is to provide foamed materials of a kind of automotive seat and its preparation method and application, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 44-52 parts of major ingredient, crosslinking agent 12-
14 parts, 4.6-5.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 36-44 parts of bisphenol A type epoxy resin, triethylene diamine 0.045-
0.055 part, 0.027-0.033 parts of Siloxane-Oxyalkylene Copolymers, 12-18 parts of polyether polyol, 0.6-1 parts of konjaku glucomannan,
5-9 parts of pine needle, 1-3 parts of Radix Isatidis；Wherein, the major ingredient be toluene di-isocyanate(TDI) and polydiallyl phthalate according to
The ratio that weight ratio is 11:5, which is uniformly mixed, to be prepared.
As a further solution of the present invention: including below according to the raw material of parts by weight: 46-50 parts of major ingredient, crosslinking agent
12.5-13.5 parts, 4.8-5.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 38-42 parts of bisphenol A type epoxy resin, triethylene diamine
0.048-0.052 parts, 0.028-0.032 parts of Siloxane-Oxyalkylene Copolymers, 14-16 parts of polyether polyol, konjaku glucomannan
0.7-0.9 parts, 6-8 parts of pine needle, 1.5-2.5 parts of Radix Isatidis.
As further scheme of the invention: including below according to the raw material of parts by weight: 48 parts of major ingredient, crosslinking agent 13
It is part, 5 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 40 parts of bisphenol A type epoxy resin, 0.05 part of triethylene diamine, polyether-modified poly-
0.03 part of siloxanes, 15 parts of polyether polyol, 0.8 part of konjaku glucomannan, 7 parts of pine needle, 2 parts of Radix Isatidis.
As further scheme of the invention: the crosslinking agent is that di-t-butyl peroxide is pressed with cumyl peroxide
It is uniformly mixed and is prepared according to the ratio that weight ratio is 11:2.
As the present invention further scheme: the molecular weight of the polyether polyol is 1000, degree of functionality 3.
As further scheme of the invention: the purity of the triethylene diamine is 99.5%.
The preparation method of the foamed material of the automotive seat, steps are as follows:
1) it weighs bisphenol A type epoxy resin according to parts by weight to be added into 2.8 times of its weight of hexamethylene, then at 40 DEG C
It is stirred 20min with the rate of 300r/min, obtains mixture A；
2) it weighs according to parts by weight and is turning after triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol are mixed
Speed is to stir 3h under 200r/min, obtains mixture B；
3) pine needle and Radix Isatidis are weighed according to parts by weight to be cleaned up with deionized water, it is low is then dried to moisture content jointly
It in 14%, then puts into grinder and carries out being ground into 300 mesh powders, konjaku glucomannan is then added and is ground to
400 mesh obtain mixture C；It, can be to subsequent foaming process by the collective effect of pine needle, Radix Isatidis and konjaku glucomannan
Synergy is carried out, there is good taste removal effect simultaneously for the foamed material of preparation；
4) according to parts by weight weigh crosslinking agent be added be stirred at 40 DEG C into 20 times of its quality of deionized water
It is even, major ingredient is then added and is warming up to 70 DEG C of rates with 300r/min and is stirred 40min, then sequentially adds step while stirring
It is rapid 2) obtained in mixture A obtained in mixture B and step 1), be then warming up to according to the heating rate of 0.5 DEG C/min
92 DEG C are sealed ultrasonic agitation processing 25min, obtain mixture D；It is handled, is can effectively improve between material by ultrasonic agitation
Mixed effect, be conducive to subsequent foaming process, and then promote to improve the impact rebound degree and tearing toughness of foamed material
Etc. performances；
5) mixture D obtained in step 4) is cooled to 60 DEG C according to the rate of temperature fall of 0.5 DEG C/min, then with
The stirring rate of 200r/min is slowly added to mixture C obtained in step 3) while stirring, then with the stirring speed of 400r/min
Rate is stirred 30min, then be added sodium sulfate of polyethenoxy ether of fatty alcohol be stirred 10min, then under vacuum conditions into
Row imports mold after standing 3h and is warming up to 210 DEG C according to the heating rate of 3 DEG C/min and foams, then 30min when
In be down to 140 DEG C dried, form to get.
As further scheme of the invention: in step 4), the ultrasonic agitation processing is churned mechanically in progress
Ultrasonic vibration is carried out simultaneously；The churned mechanically rate is 400-800r/min；The ultrasonic frequency of the ultrasonic vibration is
30kHz, power 80W.
The foamed material of the automotive seat is preparing the application in automotive seat product.
Compared with prior art, the beneficial effects of the present invention are:
1) foamed material of automotive seat prepared by the present invention has good impact rebound degree and tearing toughness, this hair
It is bright to be cooperated by pine needle, konjaku glucomannan and Radix Isatidis, while assisting ultrasonic stir process, play synergy
Effect, can effectively improve the tearing toughness of foamed material, while having good impact rebound degree；
2) present invention improves the coefficient of foaming of foamed material under the interaction of each component and above-mentioned preparation condition,
By the collective effect of pine needle, Radix Isatidis and konjaku glucomannan, synergy, guarantee system can be carried out to subsequent foaming process
Enough melt strengths are established to improve the physical property of foamed material, there is good remove simultaneously for the foamed material of preparation
Taste effect；
3) present invention is used as major ingredient with compounding for polydiallyl phthalate by toluene di-isocyanate(TDI), matches simultaneously
It closes triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol and compounds the ingredient to be formed progress compatibility, effectively increase hair
The physical property of foam material；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, be conducive to subsequent
Foaming process, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；By under vacuum condition into
Row is stood, and is conducive to be mutually mixed effect between raising material, and then be conducive to subsequent foaming process；Solve automotive seats
Chair causes to impact rebound degree and the poor problem of tearing toughness using EVA foamed material, using the hair of the automotive seat
Foam material can carry out the automotive seat that preparation has the good impact performances such as rebound degree and tearing toughness, have comfort level
High, the advantages of damping property is high, weather-proof heatproof, ageing-resistant, long service life, it is easy to accomplish industrialization and large-scale production have
Vast market prospect.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 44 parts of major ingredient, 12 parts of crosslinking agent,
It is 4.6 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 36 parts of bisphenol A type epoxy resin, 0.045 part of triethylene diamine, polyether-modified poly-
0.027 part of siloxanes, 12 parts of polyether polyol, 0.6 part of konjaku glucomannan, 5 parts of pine needle, 1 part of Radix Isatidis；Wherein, the master
Material be toluene di-isocyanate(TDI) and polydiallyl phthalate be uniformly mixed according to the ratio that weight ratio is 11:5 prepare and
At；The crosslinking agent is the uniformly mixed system of ratio that di-t-butyl peroxide and cumyl peroxide are 11:2 according to weight ratio
It is standby to form；The molecular weight of the polyether polyol is 1000, degree of functionality 3；The purity of the triethylene diamine is 99.5%.
In the present embodiment, the preparation method of the foamed material of the automotive seat, steps are as follows:
1) it weighs bisphenol A type epoxy resin according to parts by weight to be added into 2.8 times of its weight of hexamethylene, then at 40 DEG C
It is stirred 20min with the rate of 300r/min, obtains mixture A；
2) it weighs according to parts by weight and is turning after triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol are mixed
Speed is to stir 3h under 200r/min, obtains mixture B；
3) it weighs pine needle and Radix Isatidis according to parts by weight to be cleaned up with deionized water, being then dried to moisture content jointly is
10%, then put into grinder and carry out being ground into 300 mesh powders, konjaku glucomannan is then added and carries out being ground to 400
Mesh obtains mixture C；By the collective effect of pine needle, Radix Isatidis and konjaku glucomannan, subsequent foaming process can be carried out
Synergy has good taste removal effect simultaneously for the foamed material of preparation；
4) according to parts by weight weigh crosslinking agent be added be stirred at 40 DEG C into 20 times of its quality of deionized water
It is even, major ingredient is then added and is warming up to 70 DEG C of rates with 300r/min and is stirred 40min, then sequentially adds step while stirring
It is rapid 2) obtained in mixture A obtained in mixture B and step 1), be then warming up to according to the heating rate of 0.5 DEG C/min
92 DEG C are sealed ultrasonic agitation processing 25min, obtain mixture D；The ultrasonic agitation processing is churned mechanically same in progress
Shi Jinhang ultrasonic vibration；The churned mechanically rate is 400r/min；The ultrasonic frequency of the ultrasonic vibration is 30kHz,
Power is 80W；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, be conducive to subsequent foamed
Journey, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；
5) mixture D obtained in step 4) is cooled to 60 DEG C according to the rate of temperature fall of 0.5 DEG C/min, then with
The stirring rate of 200r/min is slowly added to mixture C obtained in step 3) while stirring, then with the stirring speed of 400r/min
Rate is stirred 30min, then be added sodium sulfate of polyethenoxy ether of fatty alcohol be stirred 10min, then under vacuum conditions into
Row imports mold after standing 3h and is warming up to 210 DEG C according to the heating rate of 3 DEG C/min and foams, then 30min when
In be down to 140 DEG C dried, form to get；By being stood under vacuum condition, be conducive to improve the phase between material
Mutual mixed effect, and then be conducive to subsequent foaming process.
In the present embodiment, the foamed material of the automotive seat is preparing the application in automotive seat product.
Embodiment 2
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 52 parts of major ingredient, 14 parts of crosslinking agent,
It is 5.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 44 parts of bisphenol A type epoxy resin, 0.055 part of triethylene diamine, polyether-modified poly-
0.033 part of siloxanes, 18 parts of polyether polyol, 1 part of konjaku glucomannan, 9 parts of pine needle, 3 parts of Radix Isatidis；Wherein, the major ingredient
For toluene di-isocyanate(TDI) and polydiallyl phthalate be 11:5 according to weight ratio ratio be uniformly mixed be prepared；
The crosslinking agent is the uniformly mixed preparation of ratio that di-t-butyl peroxide and cumyl peroxide are 11:2 according to weight ratio
It forms；The molecular weight of the polyether polyol is 1000, degree of functionality 3；The purity of the triethylene diamine is 99.5%.
In the present embodiment, the preparation method of the foamed material of the automotive seat, steps are as follows:
1) it weighs bisphenol A type epoxy resin according to parts by weight to be added into 2.8 times of its weight of hexamethylene, then at 40 DEG C
It is stirred 20min with the rate of 300r/min, obtains mixture A；
2) it weighs according to parts by weight and is turning after triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol are mixed
Speed is to stir 3h under 200r/min, obtains mixture B；
3) it weighs pine needle and Radix Isatidis according to parts by weight to be cleaned up with deionized water, being then dried to moisture content jointly is
10%, then put into grinder and carry out being ground into 300 mesh powders, konjaku glucomannan is then added and carries out being ground to 400
Mesh obtains mixture C；By the collective effect of pine needle, Radix Isatidis and konjaku glucomannan, subsequent foaming process can be carried out
Synergy has good taste removal effect simultaneously for the foamed material of preparation；
4) according to parts by weight weigh crosslinking agent be added be stirred at 40 DEG C into 20 times of its quality of deionized water
It is even, major ingredient is then added and is warming up to 70 DEG C of rates with 300r/min and is stirred 40min, then sequentially adds step while stirring
It is rapid 2) obtained in mixture A obtained in mixture B and step 1), be then warming up to according to the heating rate of 0.5 DEG C/min
92 DEG C are sealed ultrasonic agitation processing 25min, obtain mixture D；The ultrasonic agitation processing is churned mechanically same in progress
Shi Jinhang ultrasonic vibration；The churned mechanically rate is 800r/min；The ultrasonic frequency of the ultrasonic vibration is 30kHz,
Power is 80W；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, be conducive to subsequent foamed
Journey, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；
5) mixture D obtained in step 4) is cooled to 60 DEG C according to the rate of temperature fall of 0.5 DEG C/min, then with
The stirring rate of 200r/min is slowly added to mixture C obtained in step 3) while stirring, then with the stirring speed of 400r/min
Rate is stirred 30min, then be added sodium sulfate of polyethenoxy ether of fatty alcohol be stirred 10min, then under vacuum conditions into
Row imports mold after standing 3h and is warming up to 210 DEG C according to the heating rate of 3 DEG C/min and foams, then 30min when
In be down to 140 DEG C dried, form to get；By being stood under vacuum condition, be conducive to improve the phase between material
Mutual mixed effect, and then be conducive to subsequent foaming process.
In the present embodiment, the foamed material of the automotive seat is preparing the application in automotive seat product.
Embodiment 3
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 46 parts of major ingredient, crosslinking agent 12.5
It is part, 4.8 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 38 parts of bisphenol A type epoxy resin, 0.048 part of triethylene diamine, polyether-modified
0.028 part of polysiloxanes, 14 parts of polyether polyol, 0.7 part of konjaku glucomannan, 6 parts of pine needle, 1.5 parts of Radix Isatidis；Wherein, institute
Stating major ingredient is the uniformly mixed system of ratio that toluene di-isocyanate(TDI) and polydiallyl phthalate are 11:5 according to weight ratio
It is standby to form；The crosslinking agent is that di-t-butyl peroxide and cumyl peroxide mix according to the ratio that weight ratio is 11:2
It is even to be prepared；The molecular weight of the polyether polyol is 1000, degree of functionality 3；The purity of the triethylene diamine is
99.5%.
In the present embodiment, the preparation method of the foamed material of the automotive seat is in the same manner as in Example 1.
In the present embodiment, the foamed material of the automotive seat is preparing the application in automotive seat product.
Embodiment 4
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 50 parts of major ingredient, crosslinking agent 13.5
It is part, 5.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 42 parts of bisphenol A type epoxy resin, 0.052 part of triethylene diamine, polyether-modified
0.032 part of polysiloxanes, 16 parts of polyether polyol, 0.9 part of konjaku glucomannan, 8 parts of pine needle, 2.5 parts of Radix Isatidis；Wherein, institute
Stating major ingredient is the uniformly mixed system of ratio that toluene di-isocyanate(TDI) and polydiallyl phthalate are 11:5 according to weight ratio
It is standby to form.
In the present embodiment, the preparation method of the foamed material of the automotive seat is in the same manner as in Example 1.
In the present embodiment, the foamed material of the automotive seat is preparing the application in automotive seat product.
Embodiment 5
A kind of foamed material of automotive seat, including below according to the raw material of parts by weight: 48 parts of major ingredient, 13 parts of crosslinking agent,
5 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 40 parts of bisphenol A type epoxy resin, 0.05 part of triethylene diamine, polyether-modified poly- silicon oxygen
0.03 part of alkane, 15 parts of polyether polyol, 0.8 part of konjaku glucomannan, 7 parts of pine needle, 2 parts of Radix Isatidis；Wherein, the major ingredient is first
Phenylene diisocyanate and polydiallyl phthalate are uniformly mixed according to the ratio that weight ratio is 11:5 to be prepared；It is described
Crosslinking agent be di-t-butyl peroxide and cumyl peroxide be 11:2 according to weight ratio ratio be uniformly mixed be prepared；
The molecular weight of the polyether polyol is 1000, degree of functionality 3；The purity of the triethylene diamine is 99.5%.
In the present embodiment, the preparation method of the foamed material of the automotive seat, steps are as follows:
1) it weighs bisphenol A type epoxy resin according to parts by weight to be added into 2.8 times of its weight of hexamethylene, then at 40 DEG C
It is stirred 20min with the rate of 300r/min, obtains mixture A；
2) it weighs according to parts by weight and is turning after triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol are mixed
Speed is to stir 3h under 200r/min, obtains mixture B；
3) pine needle and Radix Isatidis are weighed according to parts by weight to be cleaned up with deionized water, it is low is then dried to moisture content jointly
It in 14%, then puts into grinder and carries out being ground into 300 mesh powders, konjaku glucomannan is then added and is ground to
400 mesh obtain mixture C；It, can be to subsequent foaming process by the collective effect of pine needle, Radix Isatidis and konjaku glucomannan
Synergy is carried out, there is good taste removal effect simultaneously for the foamed material of preparation；
4) according to parts by weight weigh crosslinking agent be added be stirred at 40 DEG C into 20 times of its quality of deionized water
It is even, major ingredient is then added and is warming up to 70 DEG C of rates with 300r/min and is stirred 40min, then sequentially adds step while stirring
It is rapid 2) obtained in mixture A obtained in mixture B and step 1), be then warming up to according to the heating rate of 0.5 DEG C/min
92 DEG C are sealed ultrasonic agitation processing 25min, obtain mixture D；The ultrasonic agitation processing is churned mechanically same in progress
Shi Jinhang ultrasonic vibration；The churned mechanically rate is 600r/min；The ultrasonic frequency of the ultrasonic vibration is 30kHz,
Power is 80W；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, be conducive to subsequent foamed
Journey, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；
5) mixture D obtained in step 4) is cooled to 60 DEG C according to the rate of temperature fall of 0.5 DEG C/min, then with
The stirring rate of 200r/min is slowly added to mixture C obtained in step 3) while stirring, then with the stirring speed of 400r/min
Rate is stirred 30min, then be added sodium sulfate of polyethenoxy ether of fatty alcohol be stirred 10min, then under vacuum conditions into
Row imports mold after standing 3h and is warming up to 210 DEG C according to the heating rate of 3 DEG C/min and foams, then 30min when
In be down to 140 DEG C dried, form to get；By being stood under vacuum condition, be conducive to improve the phase between material
Mutual mixed effect, and then be conducive to subsequent foaming process.
In the present embodiment, the foamed material of the automotive seat is preparing the application in automotive seat product, using described
The foamed material of automotive seat can carry out the automotive seat that preparation has the good impact performances such as rebound degree and tearing toughness,
Have the advantages that comfort level is high, damping property is high, weather-proof, heatproof, ageing-resistant, long service life is easily industrialized and scale
Production.
Comparative example 1
Compared with Example 5, pine needle is free of, other are same as Example 5.
Comparative example 2
Compared with Example 5, konjaku glucomannan and Radix Isatidis are free of, other are same as Example 5.
Comparative example 3
Compared with Example 5, pine needle, konjaku glucomannan and Radix Isatidis are free of, other are same as Example 5.
Comparative example 4
Foamed material in the prior art, specifically Authorization Notice No. are a kind of automotive seat disclosed in CN105368015B
Foamed material.
Performance test
The foamed material of the automotive seat of the preparation of embodiment 1-5 and comparative example 1-4 is detected, specifically in room temperature
Respectively according to the measurement of GB/T6343-2009 foamed plastics and rubber apparent density, GB/T1681- after parking cooling 24 hours
In the elastic measurement of 2009 vulcanized rubbers and the measurement of GB/T10808-2006 high polymer stephanoporate elastic material tearing strength
Defined method and standard carry out physical properties test, and testing result is as shown in table 1.
From can be seen that the present invention in the data comparison of embodiment 5 and comparative example 1 by addition pine needle, can effectively mention
The tearing toughness of high-foaming material；Konjaku is added from can be seen that the present invention in the data comparison of embodiment 5 and comparative example 2
Glucomannan and Radix Isatidis can effectively improve the tearing toughness of foamed material；From the data pair of embodiment 5 and comparative example 4
As can be seen that compared with prior art, the present invention adds pine needle, konjaku glucomannan and Radix Isatidis than in, can effectively improve
The tearing toughness of foamed material, improvement effect are more than 10%.
In addition, as can be seen that the present invention passes through pine needle, Amorphophallus rivieri glucomannan from the data comparison of embodiment 5 and comparative example 1-4
Glycan and Radix Isatidis cooperate, while assisting ultrasonic stir process, play synergistic effect, can effectively improve hair
The tearing toughness of foam material, while there is good impact rebound degree.Interaction and above-mentioned system of the present invention in each component
Under the conditions of standby, the coefficient of foaming of foamed material is improved, it, can by the collective effect of pine needle, Radix Isatidis and konjaku glucomannan
To carry out synergy to subsequent foaming process, guarantee system establishes enough melt strengths to improve the physical of foamed material
Can, there is good taste removal effect simultaneously for the foamed material of preparation.
1 testing result table of table
Pine needle is Siberian cedar, black pine, Chinese pine, Korean pine, Huashan pine, pinus yunnanensis, Simao in Pinaceae pine genus plant
The needle of pine, masson pine etc., pine needle contain a large amount of biological flavone substances, procyanidins, also give birth to rich in chlorophyll, a variety of dimensions
Element, it is bitter, puckery, it is warm-natured, have expelling wind and activating blood flow, improving eyesight, tranquilizing the mind, removing toxic substances, it is antipruritic, the function such as eliminate bad breath, go mouth parched and tongue scorched, treat constipation
Effect, can be used for influenza, rheumatic arthritis, treating swelling and pain by traumatic injury, yctalopia, high blood pressure, neurasthenia etc..
Radix Isatidis: the dry root of cruciferae isatis, property bitter cold, return heart, stomach meridian；With clearing heat and detoxicating, cool blood benefit
, there is inhibiting effect in the effect of pharynx to various bacteria, to staphylococcus aureus, hemolytic streptococcus, Diplococcus pneumopniae, meningitis
Diplococcus, typhoid bacillus, paratyphosum Bacterium, Escherichia coli, bacillus enteritidis, sarcine etc. have certain inhibiting effect, use
It is sick in bacterial infection, septicemia, pneumonia, pharyngitis, influenza, enteritis, oedema, bloody flux, hepatitis, yellow subcutaneous ulcer and enteritis etc..
As can be seen that the foamed material of automotive seat prepared by the present invention is sprung back with good impact from result above
Rate and tearing toughness are used as major ingredient with compounding for polydiallyl phthalate by toluene di-isocyanate(TDI), match simultaneously
It closes triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol and compounds the ingredient to be formed progress compatibility, effectively increase hair
The physical property of foam material；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, be conducive to subsequent
Foaming process, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；By under vacuum condition into
Row is stood, and is conducive to be mutually mixed effect between raising material, and then be conducive to subsequent foaming process；Using the automobile
The foamed material of seat can carry out the automotive seat that preparation has the good impact performances such as rebound degree and tearing toughness, have
The advantages of comfort level is high, damping property is high, weather-proof, heatproof, ageing-resistant, long service life is easily industrialized and scale metaplasia
It produces.
Present invention has the advantages that the present invention is cooperated by pine needle, konjaku glucomannan and Radix Isatidis, assist simultaneously
Ultrasonic agitation processing, plays synergistic effect, can effectively improve the tearing toughness of foamed material, while having good
Good impact rebound degree；The present invention improves the foaming of foamed material under the interaction of each component and above-mentioned preparation condition
Multiple can be carried out synergy to subsequent foaming process, be protected by the collective effect of pine needle, Radix Isatidis and konjaku glucomannan
The card enough melt strengths of Establishing to improve the physical property of foamed material, simultaneously for preparation foamed material have it is good
Good taste removal effect；The present invention is used as major ingredient with compounding for polydiallyl phthalate by toluene di-isocyanate(TDI), together
Shi Peihe triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol compound the ingredient to be formed and carry out compatibility, effectively improve
The physical property of foamed material；It is handled by ultrasonic agitation, can effectively improve the mixed effect between material, after being conducive to
Continuous foaming process, and then promote to improve the performances such as impact rebound degree and the tearing toughness of foamed material；Pass through vacuum condition
Under stood, be conducive to improve between material and be mutually mixed effect, and then be conducive to subsequent foaming process；Solves vapour
Vehicle seats cause to impact rebound degree and the poor problem of tearing toughness using EVA foamed material, using the automotive seat
Foamed material can carry out the automotive seat that preparation has the good impact performances such as rebound degree and tearing toughness, have comfortable
The advantages of degree is high, damping property is high, weather-proof heatproof, ageing-resistant, long service life, it is easy to accomplish industrialization and large-scale production, tool
There is vast market prospect.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.There is no necessity and possibility to exhaust all the enbodiments.And it thus amplifies out apparent
Variation or variation be still in the protection scope of this invention.
Claims (10)
1. a kind of foamed material of automotive seat, which is characterized in that including below according to the raw material of parts by weight: 44-52 parts of major ingredient,
12-14 parts of crosslinking agent, 4.6-5.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 36-44 parts of bisphenol A type epoxy resin, triethylene two
0.045-0.055 parts of amine, 0.027-0.033 parts of Siloxane-Oxyalkylene Copolymers, 12-18 parts of polyether polyol, konjaku glucomannan
0.6-1 parts, 5-9 parts of pine needle, 1-3 parts of Radix Isatidis；Wherein, the major ingredient is toluene di-isocyanate(TDI) and poly- diallyl phthalate
Propyl ester is uniformly mixed according to the ratio that weight ratio is 11:5 and is prepared.
2. the foamed material of automotive seat according to claim 1, which is characterized in that including below according to the original of parts by weight
Material: 46-50 parts of major ingredient, 12.5-13.5 parts of crosslinking agent, 4.8-5.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, bisphenol type epoxy
38-42 parts of resin, 0.048-0.052 parts of triethylene diamine, 0.028-0.032 parts of Siloxane-Oxyalkylene Copolymers, polyether polyol
14-16 parts, 0.7-0.9 parts of konjaku glucomannan, 6-8 parts of pine needle, 1.5-2.5 parts of Radix Isatidis.
3. the foamed material of automotive seat according to claim 1 or 2, which is characterized in that including below according to parts by weight
Raw material: 48 parts of major ingredient, 13 parts of crosslinking agent, 5 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 40 parts of bisphenol A type epoxy resin, three second
0.05 part of alkene diamines, 0.03 part of Siloxane-Oxyalkylene Copolymers, 15 parts of polyether polyol, 0.8 part of konjaku glucomannan, 7 parts of pine needle,
2 parts of Radix Isatidis.
4. the foamed material of automotive seat according to claim 3, which is characterized in that the crosslinking agent is two uncle of peroxidating
Butyl and cumyl peroxide are uniformly mixed according to the ratio that weight ratio is 11:2 to be prepared.
5. the foamed material of automotive seat according to claim 4, which is characterized in that the molecular weight of the polyether polyol
For 1000, degree of functionality 3.
6. the foamed material of automotive seat according to claim 5, which is characterized in that the purity of the triethylene diamine is
99.5%.
7. a kind of preparation method of the foamed material of the automotive seat as described in claim 1-6 is any, which is characterized in that step
It is as follows:
1) bisphenol A type epoxy resin is weighed according to parts by weight to be added into 2.8 times of its weight of hexamethylene, then at 40 DEG C with
The rate of 300r/min is stirred 20min, obtains mixture A；
2) it is weighed after triethylene diamine, Siloxane-Oxyalkylene Copolymers and polyether polyol are mixed according to parts by weight and is in revolving speed
3h is stirred under 200r/min, obtains mixture B；
3) pine needle and Radix Isatidis are weighed according to parts by weight to be cleaned up with deionized water, is then dried to moisture content jointly and is lower than
14%, then put into grinder and carry out being ground into 300 mesh powders, konjaku glucomannan is then added and carries out being ground to 400
Mesh obtains mixture C；
4) according to parts by weight weigh crosslinking agent be added be stirred at 40 DEG C into 20 times of its quality of deionized water uniformly, so
Major ingredient is added afterwards and is warming up to 70 DEG C of rates with 300r/min and is stirred 40min, then sequentially adds step 2) while stirring
Obtained in mixture A obtained in mixture B and step 1), be then warming up to 92 DEG C according to the heating rate of 0.5 DEG C/min
It is sealed ultrasonic agitation processing 25min, obtains mixture D；
5) mixture D obtained in step 4) is cooled to 60 DEG C according to the rate of temperature fall of 0.5 DEG C/min, then with 200r/min
Stirring rate be slowly added to mixture C obtained in step 3) while stirring, then stirred with the stirring rate of 400r/min
30min is mixed, sodium sulfate of polyethenoxy ether of fatty alcohol is then added and is stirred 10min, then carries out standing 3h under vacuum conditions
Mold is imported afterwards and is warming up to 210 DEG C according to the heating rate of 3 DEG C/min and is foamed, and is then down within the time of 30min
140 DEG C dried, form to get.
8. the preparation method of the foamed material of automotive seat according to claim 7, which is characterized in that in step 4), institute
Ultrasonic agitation processing is stated to carry out ultrasonic vibration while carrying out mechanical stirring.
9. the preparation method of the foamed material of automotive seat according to claim 8, which is characterized in that the mechanical stirring
Rate be 400-800r/min；The ultrasonic frequency of the ultrasonic vibration is 30kHz, power 80W.
10. a kind of foamed material of the automotive seat as described in claim 1-6 is any is preparing answering in automotive seat product
With.
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Application publication date: 20190419 |