CN109851749A - A kind of hard brown sponge and preparation method - Google Patents
A kind of hard brown sponge and preparation method Download PDFInfo
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- CN109851749A CN109851749A CN201910050954.6A CN201910050954A CN109851749A CN 109851749 A CN109851749 A CN 109851749A CN 201910050954 A CN201910050954 A CN 201910050954A CN 109851749 A CN109851749 A CN 109851749A
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Abstract
It is generated the invention discloses a kind of for sofa cushion, mattress, the hard brown sponge in the fields such as window pad of floaing and preparation method, the raw material reaction that hard palm fibre sponge is composed of the following parts by weight: 40~60 parts of polyester polyol, 20~40 parts of polyether polyol, 1~2 part of crosslinking agent, even 1~2 part of bubble silicone oil, 0.3~0.5 part of gross porosity silicone oil, 0.1~0.2 part of A33 catalyst, 0.1~0.2 part of organotin T-9 catalyst, 10~30 parts of toluene di-isocyanate(TDI)；Wherein, polyester polyol is the polyester polyol that the adipic acid that molecular weight is 1500~2000, degree of functionality is 2~4 is synthesized with EG and PG, polyether polyol is with the high solids content polyether polyol of styrene monomer grafting free radical, polyether polyol solid content is 45%~46%, hydroxyl value is 27-30mgKOH/g, 25 DEG C of viscosity≤5000mPa.s, gross porosity silicone oil are the fluorosilicon oil that viscosity is 400~1000mPa.s at 25~27 DEG C.Hard brown sponge prepared by the present invention solves the problems, such as that existing sponge hardness is low, endurance Hardness loss is big, abscess is small and tearing strength is low.
Description
Technical field
The present invention relates to sofa cushion, mattress, the technical fields such as window pad of floaing, especially a kind of hard brown sponge and preparation method.
Background technique
Sponge is very common in life application, such as has a large amount of sponge to deposit in sofa, chair, mattress and shoes
?.Because it gives the experience of soft comfortable, so largely used by people in different fields.The common sponge of people is by wood
Cellulose fibre or foamed plastic polymer are made.In addition, also there is the natural sponge made of spongia, there are also three classes other
Synthetic sponge made of material, respectively low-density polyethers (not water-absorbing sponge), polyvinyl alcohol (high-absorbent material, without obvious gas
Hole) and polyester sponge.In existing, hard palm fibre sponge is a kind of more commonly used sponge, but existing hard brown sponge there are it is following not
Foot, first is that, the continuous sponge hardness (65% indentation force deflection) of existing hard palm fibre is low, second is that, the continuous endurance hardness of existing hard palm fibre
Loss is big；Third is that the abscess of existing hard palm fibre silk floss is small, tearing strength is low.
It is existing in the related technology, still lack preferred technique scheme.
Summary of the invention
The technical issues of solution of the invention is to provide a kind of hard palm fibre sea for above-mentioned existing defect in the prior art
Continuous and preparation method, to solve in the related technology, hard brown sponge hardness is low, endurance Hardness loss is big, abscess is small and tearing strength
Low problem.
According to the first aspect of the invention, the present invention provides the following technical solutions, a kind of hard brown sponge, the hard brown sponge
The raw material reaction being composed of the following parts by weight generates:
Wherein, the polyester polyol is the adipic acid and EG and PG that molecular weight is 1500~2000, degree of functionality is 2~4
The polyester polyol of synthesis, the polyether polyol are more with the high solids content polyethers of styrene monomer grafting free radical
First alcohol, the polyether polyol solid content are 45%~46%, hydroxyl value 27-30mgKOH/g, 25 DEG C of viscositys≤
5000mPa.s, the gross porosity silicone oil are the fluorosilicon oil that viscosity is 400~1000mPa.s at 25~27 DEG C.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the raw material reaction that the hard brown sponge is composed of the following parts by weight generates:
60 parts of polyester polyol, 40 parts of polyether polyol, 1~2 part of crosslinking agent, even 2 parts of bubble silicone oil, 0.5 part of gross porosity silicone oil,
0.2 part of A33 catalyst, 0.2 part of organotin T-9 catalyst, 10~30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyols
Alcohol is the polyester polyol that the adipic acid that molecular weight is 2000, degree of functionality is 2 is synthesized with EG and PG, and the polyether is polynary
Alcohol is that solid content is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700.
In the above-mentioned technical solutions, the crosslinking agent is in trimethylolpropane, glycerol, triethanolamine and diethanol amine
It is a kind of.
In the above-mentioned technical solutions, the even bubble silicone oil is DC-193 silicone oil or water-soluble silicon oil 204.
In the above-mentioned technical solutions, the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil or DX-8013 vinyl fluoride silicon
Oil.
According to the second aspect of the invention, another technical solution provided by the invention is as follows: a kind of to prepare first aspect
A kind of preparation method of hard brown sponge, include the following steps:
I, is by 1~2 part of crosslinking agent, even 1~2 part of bubble silicone oil, 0.3~0.5 part of gross porosity silicone oil, A33 catalyst 0.1~0.2
Part, be mixed in the reaction kettle of organotin T-9 0.1~0.2 part of investment mulser of catalyst obtain be uniformly mixed it is molten
Liquid A, mulser mixing speed are set as 500~1000r/min, and mixing time is 0.5~1.0h, and reactor temperature is
25 DEG C~27 DEG C；
II, is by 40~60 parts of polyester polyol, 20~40 parts of polyether polyols and 10~30 parts of toluene diisocyanates
Acid esters, which is added, to be mixed with solution A in reaction kettle and carries out high-speed stirred foaming and the hard palm fibre sponge made, and mulser mixing speed is
5500~6000r/min, mixing time are 5~10S.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, in step I, the crosslinking agent, even bubble silicone oil, gross porosity silicone oil, A33 catalysis of mulser are put into
The number of agent and organotin T-9 catalyst is respectively 2 parts, 2 parts, 0.5 part, 0.2 part and 0.2 part, mixing time 1h；
In step II, the polyester polyol of mulser, part of polyether polyol and toluene di-isocyanate(TDI) are put into
Number is respectively 60 parts, 40 parts and 30 parts.
Compared with prior art, the beneficial effects of the present invention are: first is that, the hard brown sponge that preparation method of the present invention is prepared
Hardness (65% indentation force deflection) is in 500N or more；Second is that 50,000 times of the hard brown sponge that preparation method of the present invention is prepared are resistance to tired
Labor tests Hardness loss < 5%；Third is that the hard brown sponge abscess that preparation method of the present invention is prepared is thick, diameter 3mm can be reached,
Average diameter 2mm；Fourth is that the hard brown sponge tearing strength that preparation method of the present invention is prepared is high；Fifth is that present invention preparation side
The sponge density for the hard brown sponge that method is prepared is adjusted between 40-70.
Specific embodiment
Embodiment 1
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
60 parts of polyalcohol, 40 parts of polyether polyol, 2 parts of crosslinking agent, even 2 parts of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is two
Ethanol amine (DEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is prepared by the following procedure method and is prepared:
Step a. is by 2 parts of crosslinking agent, even 2 parts of bubble silicone oil, 0.5 part of gross porosity silicone oil, 0.2 part of A33 catalyst, organotin T-9
It carries out being mixed in the reaction kettle of 0.2 part of investment mulser of catalyst and obtains uniformly mixed solution A, mulser mixing speed
It is set as 500~1000r/min, mixing time is 0.5~1.0h, and reactor temperature is 25 DEG C~27 DEG C；
Step b. 60 parts of polyester polyol, 40 parts of polyether polyols and 30 parts of toluene di-isocyanate(TDI)s is added anti-
Answer and mix with solution A in kettle and carry out high-speed stirred foaming and the hard palm fibre sponge made, mulser mixing speed for 5500~
6000r/min, mixing time are 5~10S.
Correlated performance test is carried out using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 800N |
| 50000 times endurance tests Hardness loss | 4.5% |
| Abscess aperture | 3mm |
| Tearing strength | 80N/cm |
| Density | 50Kg/m3 |
Embodiment 2
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
40 parts of polyalcohol, 20 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.1 part of agent, 0.1 part of organotin T-9 catalyst, 10 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 1500, degree of functionality, the polyether polyol is solid content
It is 45%, hydroxyl value 27mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4500, the crosslinking agent is triethanolamine
(TEOA), the even bubble silicone oil is DC-193, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 500N |
| 50000 times endurance tests Hardness loss | 4.9% |
| Abscess aperture | 2mm |
| Tearing strength | 75N/cm |
| Density | 40Kg/m3 |
Embodiment 3
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
45 parts of polyalcohol, 25 parts of polyether polyol, 1.1 parts of crosslinking agent, even 1.1 parts of bubble silicone oil, 0.35 part of gross porosity silicone oil, A33
0.11 part of catalyst, 0.11 part of organotin T-9 catalyst, 12 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is point
Son amount is the polyester polyol that the adipic acid that 1600, degree of functionality is 3 is synthesized with EG and PG, and the polyether polyol is solid
Content is 45.1%, hydroxyl value 28mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4600, and the crosslinking agent is sweet
Oil, the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8013 vinyl fluoride silicone oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 600N |
| 50000 times endurance tests Hardness loss | 3.0% |
| Abscess aperture | 1.9mm |
| Tearing strength | 76N/cm |
| Density | 45Kg/m3 |
Embodiment 4
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
50 parts of polyalcohol, 30 parts of polyether polyol, 1.2 parts of crosslinking agent, even 1.2 parts of bubble silicone oil, 0.4 part of gross porosity silicone oil, A33
0.12 part of catalyst, 0.12 part of organotin T-9 catalyst, 14 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is point
Son amount is the polyester polyol that the adipic acid that 1700, degree of functionality is 4 is synthesized with EG and PG, and the polyether polyol is solid
Content is 45.2%, hydroxyl value 29mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, and the crosslinking agent is three
Hydroxymethyl-propane, the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 700N |
| 50000 times endurance tests Hardness loss | 3.5% |
| Abscess aperture | 1.8mm |
| Tearing strength | 77N/cm |
| Density | 50Kg/m3 |
Embodiment 5
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
55 parts of polyalcohol, 20 parts of polyether polyol, 2 parts of crosslinking agent, even 2 parts of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is two
Ethanol amine (DEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8013 vinyl fluoride silicone oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 900N |
| 50000 times endurance tests Hardness loss | 3.5% |
| Abscess aperture | 2.5mm |
| Tearing strength | 85N/cm |
| Density | 55Kg/m3 |
Embodiment 6
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
50 parts of polyalcohol, 30 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is sweet
Oil, the even bubble silicone oil is DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 800N |
| 50000 times endurance tests Hardness loss | 5.0% |
| Abscess aperture | 3.0mm |
| Tearing strength | 90N/cm |
| Density | 65Kg/m3 |
Embodiment 7
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
50 parts of polyalcohol, 30 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.1 part of organotin T-9 catalyst, 10 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is three
Ethanol amine (TEOA), the even bubble silicone oil are water-soluble silicon oil 204, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 600N |
| 50000 times endurance tests Hardness loss | 3.0% |
| Abscess aperture | 2mm |
| Tearing strength | 75N/cm |
| Density | 70Kg/m3 |
Embodiment 8
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
55 parts of polyalcohol, 35 parts of polyether polyol, 1.5 parts of crosslinking agent, even 1.5 parts of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33
0.2 part of catalyst, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecule
The polyester polyol that the adipic acid that amount is 2000, degree of functionality is 2 is synthesized with EG and PG, the polyether polyol are solid
Content is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent
For diethanol amine (DEOA), the even bubble silicone oil is water-soluble silicon oil 204, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 700N |
| 50000 times endurance tests Hardness loss | 4.0% |
| Abscess aperture | 2.8mm |
| Tearing strength | 80N/cm |
| Density | 65Kg/m3 |
Embodiment 9
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
45 parts of polyalcohol, 35 parts of polyether polyol, 2 parts of crosslinking agent, even 2 parts of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.1 part of agent, 0.1 part of organotin T-9 catalyst, 10 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is sweet
Oil, the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 750N |
| 50000 times endurance tests Hardness loss | 3.5% |
| Abscess aperture | 2.7mm |
| Tearing strength | 90N/cm |
| Density | 70Kg/m3 |
Embodiment 10
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
50 parts of polyalcohol, 40 parts of polyether polyol, 2 parts of crosslinking agent, even 2 parts of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.1 part of agent, 0.1 part of organotin T-9 catalyst, 20 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is three
Ethanol amine (TEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 850N |
| 50000 times endurance tests Hardness loss | 4.2% |
| Abscess aperture | 2.8mm |
| Tearing strength | 85N/cm |
| Density | 65Kg/m3 |
Embodiment 11
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
45 parts of polyalcohol, 25 parts of polyether polyol, 1.5 parts of crosslinking agent, even 1.5 parts of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33
0.1 part of catalyst, 0.1 part of organotin T-9 catalyst, 25 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecule
The polyester polyol that the adipic acid that amount is 2000, degree of functionality is 2 is synthesized with EG and PG, the polyether polyol are solid
Content is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent
For diethanol amine (DEOA), the even bubble silicone oil is DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
Embodiment 12
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
50 parts of polyalcohol, 30 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 20 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is three
Ethanol amine (TEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 950N |
| 50000 times endurance tests Hardness loss | 2.8% |
| Abscess aperture | 1.8mm |
| Tearing strength | 70N/cm |
| Density | 40Kg/m3 |
Embodiment 13
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
45 parts of polyalcohol, 20 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 10 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is two
Ethanol amine (DEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
Embodiment 14
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
60 parts of polyalcohol, 40 parts of polyether polyol, 1 part of crosslinking agent, even 2 parts of bubble silicone oil, 0.3 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is two
Ethanol amine (DEOA), the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 700N |
| 50000 times endurance tests Hardness loss | 3.5% |
| Abscess aperture | 2.8mm |
| Tearing strength | 70N/cm |
| Density | 65Kg/m3 |
Embodiment 15
A kind of hard brown sponge, the raw material reaction that the hard brown sponge is composed of the following parts by weight generate: polyester
60 parts of polyalcohol, 20 parts of polyether polyol, 1 part of crosslinking agent, even 1 part of bubble silicone oil, 0.5 part of gross porosity silicone oil, A33 catalysis
0.2 part of agent, 0.2 part of organotin T-9 catalyst, 30 parts of toluene di-isocyanate(TDI)；Wherein, the polyester polyol is molecular weight
The polyester polyol that synthesizes with EG and PG of adipic acid for being 2 for 2000, degree of functionality, the polyether polyol is solid content
It is 45.42%, hydroxyl value 28.39mgKOH/g, the NJ2045 polyether polyol that 25 DEG C of viscositys are 4700, the crosslinking agent is sweet
Oil, the even bubble silicone oil are DC-193 silicone oil, and the gross porosity silicone oil is DX-8012 methyl fluorosilicon oil.
The hard brown sponge of the present embodiment is using the preparation of preparation method used in embodiment 1, but component number is based on this reality
Example is applied, carries out correlated performance test using the hard palm fibre of the above method is continuous, test data is as follows:
| Test item | Performance data |
| Hardness (65% indentation force deflection) | 550N |
| 50000 times endurance tests Hardness loss | 4.5% |
| Abscess aperture | 2mm |
| Tearing strength | 80N/cm |
| Density | 50Kg/m3 |
It is not intended to limit the scope of the present invention above, all technical spirits according to the present invention are to above implementation
Any modification, equivalent variations and modification made by example, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of hard brown sponge, it is characterised in that, the raw material reaction that the hard brown sponge is composed of the following parts by weight
It generates:
Wherein, the polyester polyol is that adipic acid and EG and PG that molecular weight is 1500~2000, degree of functionality is 2~4 etc. is low
The polyester polyol of molecular weight alcohol synthesis, the polyether polyol are with the large arch dam of styrene monomer grafting free radical
Polyether polyol is measured, the polyether polyol solid content is 45%~46%, and hydroxyl value 27-30mgKOH/g, 25 DEG C glutinous
Degree≤5000mPa.s, the gross porosity silicone oil are the fluorosilicon oil that viscosity is 400~1000mPa.s at 25~27 DEG C.
2. a kind of hard brown sponge according to claim 1, it is characterised in that, the hard brown sponge is by following parts by weight
The raw material that group is grouped as, which reacts, to be generated: 60 parts of polyester polyol, 40 parts of polyether polyol, 1~2 part of crosslinking agent, even bubble
2 parts of silicone oil, 0.5 part of gross porosity silicone oil, 0.2 part of A33 catalyst, 0.2 part of organotin T-9 catalyst, toluene di-isocyanate(TDI) 10~
30 parts；Wherein, the polyester polyol is that the polyester that molecular weight is 2000, degree of functionality is 2 adipic acid is synthesized with EG and PG is more
First alcohol, the polyether polyol are that solid content is 45.42%, and hydroxyl value 28.39mgKOH/g, 25 DEG C of viscositys are 4700
NJ2045 polyether polyol.
3. a kind of hard brown sponge according to claim 1 or 2, it is characterised in that, the crosslinking agent be trimethylolpropane,
One of glycerol, triethanolamine and diethanol amine.
4. a kind of hard brown sponge according to claim 3, it is characterised in that, the even bubble silicone oil is DC-193 silicone oil or water
Dissolubility silicone oil 204.
5. a kind of hard brown sponge according to claim 4, it is characterised in that, the gross porosity silicone oil is DX-8012 fluoromethane
Silicone oil or DX-8013 vinyl fluoride silicone oil.
6. a kind of prepare a kind of preparation method of hard brown sponge described in claim 5, it is characterised in that, include the following steps:
I, by 1~2 part of crosslinking agent, even 1~2 part of bubble silicone oil, 0.3~0.5 part of gross porosity silicone oil, 0.1~0.2 part of A33 catalyst, have
It carries out being mixed in the reaction kettle of machine tin T-9 0.1~0.2 part of investment mulser of catalyst and obtains uniformly mixed solution A, cream
Change machine mixing speed is set as 500~1000r/min, and mixing time is 0.5~1.0h, and reactor temperature is 25 DEG C~
27℃；
II, is by 40~60 parts of polyester polyol, 20~40 parts of polyether polyols and 10~30 parts of toluene di-isocyanate(TDI)s
Be added reaction kettle in mix with solution A and carry out high-speed stirred foaming and make it is hard palm fibre sponge, mulser mixing speed be 5500
~6000r/min, mixing time are 5~10S.
7. a kind of hard brown a kind of preparation method of hard brown sponge of sponge according to claim 6, it is characterised in that,
In step I, the crosslinking agent of mulser, even bubble silicone oil, gross porosity silicone oil, A33 catalyst and organotin T-9 catalyst are put into
Number is respectively 2 parts, 2 parts, 0.5 part, 0.2 part and 0.2 part, mixing time 1h；
In step II, the polyester polyol of mulser, the number point of polyether polyol and toluene di-isocyanate(TDI) are put into
It Wei not be 60 parts, 40 parts and 30 parts.
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