CN108346420A - A kind of arcuation bionic non-smooth surface polyurethane foam board and preparation method thereof - Google Patents
A kind of arcuation bionic non-smooth surface polyurethane foam board and preparation method thereof Download PDFInfo
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- CN108346420A CN108346420A CN201810203432.0A CN201810203432A CN108346420A CN 108346420 A CN108346420 A CN 108346420A CN 201810203432 A CN201810203432 A CN 201810203432A CN 108346420 A CN108346420 A CN 108346420A
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- smooth surface
- arcuation
- polyurethane foam
- foam board
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- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 49
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 49
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 9
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 8
- 150000005846 sugar alcohols Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 4
- 150000003077 polyols Chemical class 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 238000011160 research Methods 0.000 description 7
- 239000005022 packaging material Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000012814 acoustic material Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- 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
- C08G18/3271—Hydroxyamines
- C08G18/3278—Hydroxyamines containing at least three hydroxy groups
- C08G18/3281—Hydroxyamines containing at least three hydroxy groups containing three hydroxy groups
-
- 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
-
- 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
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of arcuation bionic non-smooth surface polyurethane foam board, protrusion and substrate；Protrusion is structure as a whole with substrate, and material is polyurethane, and protrusion and substrate overall thickness are 30mm.Protrusion includes：Cylindrical projection and cylindroid protrusion.The present invention provides a kind of arcuation bionic non-smooth surface polyurethane foam boards, and acoustic absorptivity is high, and sound absorption effect is apparent.
Description
Technical field
The utility model is related to acoustical material field, more particularly to a kind of poly- ammonia of arcuation bionic non-smooth surface
Ester cystosepiment.
Background technology
With the development of auto industry, automobile noise problem is more and more prominent, and acoustics packaging material is high in car to reducing
Frequency and high-frequency noise can play good effect, therefore be necessary to application study of the acoustical material in automobile noise reduction
, research process and method are significantly to the control of automobile noise.At present for the research office of acoustics packaging material
It is limited to the research to smooth surface acoustics packaging material, exists for the research of non-smooth surface acoustics packaging material sound absorbing performance
Vacancy.
In nature, biology adapted to the best functional characteristic of optimization by tens thousand of years environment.In recent years, with
Bionic continuous development, people are more and more deep for the research of the non-smooth surface of organism surface.Research shows that organism
Table non-smooth surface has the function of drag reduction, cleaning, noise reduction etc., in nature reed as natural sound absorption fibrous material, however
For the acoustical behavior research of non-smooth surface acoustics packaging material, there are vacancies.
Therefore, it is high how to provide a kind of acoustic absorptivity, the apparent arcuation bionic non-smooth surface polyurethane foam of sound absorption effect
The problem of foam plate is those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the utility model provides a kind of arcuation bionic non-smooth surface polyurethane foam board, acoustic absorptivity
Height, sound absorption effect are apparent.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of arcuation bionic non-smooth surface polyurethane foam board, protrusion and substrate；The protrusion is one with the substrate
Body structure, and material is polyurethane, the protrusion and the substrate overall thickness are 30mm.
Through the above technical solutions, the technique effect of the utility model：Arcuation bionic non-smooth surface polyurethane foam board
It is divided into protrusion and substrate, so that intermediate frequency and high frequency sound absorbing performance is significantly improved, greatly improve acoustic absorptivity.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the protrusion includes：Cylinder
Protrusion and cylindroid protrusion.
Through the above technical solutions, the technique effect of the utility model：The non-smooth surface of protrusion is arranged to cylindrical projection
It is designed according to reed with cylindroid protrusion, so that intermediate frequency and high frequency sound absorbing performance is significantly improved, greatly improve acoustic absorptivity.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the cylindrical projection is cut
Face is semicircle；The a diameter of 2-4mm of semicircle, the adjacent cylindrical projection distance is 4-6mm.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the cylindroid protrusion
Section is half elliptic；The semiellipse major semiaxis is 3-5mm, short axle 2-4mm, and the adjacent cylindroid protrusion distance is
4-6mm。
Through the above technical solutions, the technique effect of the utility model：It is made of respectively cylindrical projection and cylindroid protrusion
Different shape arcuation bionic non-smooth surface polyurethane foam board structure increase incidence wave and material contact area, energy
Enough make in more sound wave incidents to acoustic material, and then increase the absorptivity of sound wave, improves sound absorbing performance.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the cylindrical projection and institute
State the parallel longitudinal distribution of cylindroid protrusion.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the protrusion and the base
Plate all has hole.
Through the above technical solutions, the technique effect of the utility model：When sound wave incident is to material surface, a part of sound
It can reflect, another part enters material internal by hole, and air occurs relative motion generation with material internal hole and rubs
It wipes, sound wave can accelerate kinetic energy to be converted to frictional heat energy and then raising sound by the raising of air vibration velocity when non-smooth surface
Learn the sound absorbing performance of packaging material.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the bionical non-light of arcuation
Sliding surface polyurethane foam board is packed by bonding method and object to be packaged.
Preferably, in a kind of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, the polyurethane is by polyethers
Polyalcohol 330N, polyalcohol 3630, catalyst A33, triethanolamine, catalyst A1, silicone oil, deionized water and MDI compositions；Its matter
Measure score ratio 55-63：35-43：0.9-1.1：0.9-1.1： 0.1-0.12：1.8-2.0：4.5-5.0：30-35.
Preferably, in a kind of preparation method of above-mentioned arcuation bionic non-smooth surface polyurethane foam board, first, in accordance with
Material mixture ratio weigh polyether polyol 330N, polyalcohol 3630, catalyst A33, triethanolamine, catalyst A1, silicone oil and go from
Sub- water, is inverted in dixie cup, and composite blender is stirred 90s with the mixing speed of 2000r/min；Secondly claim
It takes corresponding MDI and is poured into dixie cup, be stirred with 500r/min using blender, wait for that dixie cup adstante febre is rapid by it
Enter in mold, and mold is sealed；Mold is finally put into drying box, drying box temperature setting is 50 DEG C, is stored in incubator
After 2 hours, sample is taken out.
It can be seen via above technical scheme that compared with prior art, the utility model discloses that provide a kind of arcuation imitative
Raw non-smooth surface polyurethane foam board, acoustic absorptivity is high, and sound absorption effect is apparent.First, the poly- ammonia of arcuation bionic non-smooth surface
The structure of ester cystosepiment increases the contact area of incidence wave and material, can make in more sound wave incidents to acoustic material, into
And increase the absorptivity of sound wave, improve sound absorbing performance.Secondly, when sound wave incident is to material surface, a part of acoustic energy occurs anti-
It penetrates, another part enters material internal by hole, and air occurs relative motion with material internal hole and generates friction, sound wave warp
The raising of air vibration velocity can accelerate kinetic energy to be converted to frictional heat energy and then improve acoustics packing timber when crossing non-smooth surface
The sound absorbing performance of material.Finally, the non-smooth surface of arcuation bionic non-smooth surface polyurethane foam board changes the flow resistivity of material,
So as to cause the change of acoustic absorptivity, with the reduction of flow resistivity, the acoustic absorptivity of sound-absorbing material further increases.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the arcuation bionic non-smooth surface polyurethane foam board axonometric drawing of the cylindrical projection of the utility model；
Fig. 2 is the complete section of the arcuation bionic non-smooth surface polyurethane foam board side view of the cylindrical projection of the utility model
View
Fig. 3 is the arcuation bionic non-smooth surface polyurethane foam board axonometric drawing of the cylindroid protrusion of the utility model；
Fig. 4 is the complete of the arcuation bionic non-smooth surface polyurethane foam board side view of the cylindroid protrusion of the utility model
Sectional view；
Fig. 5 is arcuation bionic non-smooth surface polyurethane foam board sound absorbing performance correlation curve.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment discloses a kind of arcuation bionic non-smooth surface polyurethane foam board, and acoustic absorptivity is high,
Sound absorption effect is apparent.
A kind of arcuation bionic non-smooth surface polyurethane foam board, protrusion 1 and substrate 2；Protrusion 1 is integrated knot with substrate 2
Structure, and material is polyurethane, protrusion 1 and 2 overall thickness of substrate are 30mm.
In order to advanced optimize above-mentioned technical proposal, protrusion 1 includes：Cylindrical projection 11 and cylindroid protrusion 12.
In order to advanced optimize above-mentioned technical proposal, the section of cylindrical projection 11 is semicircle；Semicircle a diameter of 2-
4mm, 11 distance of adjacent column protrusion is 4-6mm.
In order to advanced optimize above-mentioned technical proposal, the section of cylindroid protrusion 12 is half elliptic；Semiellipse length half
Axis is 3-5mm, and short axle 2-4mm, 12 distance of adjacent ellipses column protrusion is 4-6mm.
In order to advanced optimize above-mentioned technical proposal, cylindrical projection 11 and the parallel longitudinal distribution of cylindroid protrusion 12.
In order to advanced optimize above-mentioned technical proposal, protrusion 1 and substrate 2 all have hole.
In order to advanced optimize above-mentioned technical proposal, arcuation bionic non-smooth surface polyurethane foam board passes through bonding method
It is packed with object to be packaged.
In order to advanced optimize above-mentioned technical proposal, polyurethane is by polyether polyol 330N, polyalcohol 3630, catalyst
A33, triethanolamine, catalyst A1, silicone oil, deionized water and MDI compositions；Its mass fraction is than 60：40：1：1：0.12：1.8：
4.8：30.
In order to advanced optimize above-mentioned technical proposal, polyether polyol 330N, polyalcohol are weighed first, in accordance with material mixture ratio
3630, catalyst A33, triethanolamine, catalyst A1, silicone oil and deionized water, are inverted in dixie cup, composite stirring
Machine is stirred 90s with the mixing speed of 2000r/min；Next weighs corresponding MDI and is poured into dixie cup, is stirred using material
It mixes machine to be stirred with 500r/min, waits for that dixie cup adstante febre pours into it in mold rapidly, and mold is sealed；Finally by mold
It is put into drying box, drying box temperature setting is 50 DEG C, after incubator is stored 2 hours, takes out sample.
Embodiment 1
Manufacture and design the arcuation bionic non-smooth surface polyurethane foam board with cylindrical projection.
Referring to Figures 1 and 2, the arcuation bionic non-smooth surface polyurethane foam board upper surface of cylindrical projection is uniformly distributed half
The section of cylindrical projection 11 is semicircle；Semicircle a diameter of 3mm, 11 distance L of adjacent column protrusion are 5mm.Cylindrical projection
Arcuation bionic non-smooth surface polyurethane foam board is polyurethane stock material, and cylindrical projection 11 and 2 overall thickness of substrate are 30mm, if
The cylindrical projection polyurethane foam manufactured is counted compared with the smooth surface polyurethane foam of same matrix, intermediate frequency and high frequency are inhaled
Acoustic performance significantly improves, and quality reduces by 5%.
Embodiment 2
Manufacture and design the arcuation bionic non-smooth surface polyurethane foam board with cylindroid protrusion.
With reference to Fig. 3 and Fig. 4, the arcuation bionic non-smooth surface polyurethane foam board of cylindroid protrusion is on matrix surface
It is uniformly distributed cylindroid protrusion 12；The section of cylindroid protrusion is half elliptic；Semiellipse major semiaxis a is 4mm, and short axle b is
3mm, 12 distance L of adjacent ellipses column protrusion are 5mm.The arcuation bionic non-smooth surface polyurethane foam board of cylindroid protrusion is poly-
Urethane material, cylindroid protrusion 12 and 2 overall thickness of substrate are 30mm, the convex closure polyurethane foam for manufacturing and designing out and same base
The smooth surface polyurethane foam of body is compared, and intermediate frequency and high frequency sound absorbing performance significantly improve, and quality reduces by 8%.
To sum up embodiment can be seen that the positive effect that the utility model is obtained by following sound absorbing performance correlation curve
Fruit.
It is that different bionic non-smooth surface acoustics pack sound absorbing performance correlation curve with reference to Fig. 5, Fig. 5, passes through correlation curve
It learns, compared with smooth surface, the sound absorbing performance of arcuation bionic non-smooth surface polyurethane foam board is in intermediate frequency and high frequency
(1000-6000Hz) has obtained raising by a relatively large margin, and the sound absorbing performance of wherein cylindroid surfacing is relatively best,
1200Hz reaches 0.985.
It is the number for reducing experiment as far as possible in view of actual conditions, the horizontal orthogonal arrage of four factor of this experimental selection three,
As shown in table 1.
Table 1
Numerical value in table 2 is the level and average sound absorption coefficient corresponding to each factor.
Table 2
Table 3 is each factor signal-to-noise ratio data, and signal-to-noise ratio is bigger, and the influence for illustrating the factor to acoustic absorptivity is bigger, according to table
Lattice can learn A2B1C2D2 combination sound absorbing performance it is best, deionized water, triethanolamine, silicone oil and catalyst A33 number
Respectively 4.8,1,1.8 and 1.
Table 3
| Symbol | Factor | Level 1 | Level 2 | Level 3 |
| A | Deionized water | -5.94 | -5.87 | -5.92 |
| B | Triethanolamine | -5.84 | -5.88 | -5.91 |
| C | Silicone oil | -5.90 | -5.86 | -5.88 |
| D | A33 | -5.95 | -5.92 | -5.94 |
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (9)
1. a kind of arcuation bionic non-smooth surface polyurethane foam board, which is characterized in that including：Substrate (2), and the substrate
(2) upper surface is provided with raised (1)；The protrusion (1) is structure as a whole with the substrate (2), and material is polyurethane, described
Raised (1) and the substrate (2) overall thickness is 30mm.
2. a kind of arcuation bionic non-smooth surface polyurethane foam board according to claim 1, which is characterized in that described convex
Playing (1) includes：Cylindrical projection (11) and cylindroid are raised (12).
3. a kind of arcuation bionic non-smooth surface polyurethane foam board according to claim 2, which is characterized in that the circle
The section of column protrusion (11) is semicircle；The a diameter of 2-4mm of semicircle, adjacent cylindrical projection (11) distance is 4-
6mm。
4. a kind of arcuation bionic non-smooth surface polyurethane foam board according to claim 2, which is characterized in that described ellipse
The section of cylindrical projection (12) is half elliptic；The semiellipse major semiaxis is 3-5mm, short axle 2-4mm, adjacent described ellipse
Cylindrical projection (12) distance is 4-6mm.
5. a kind of arcuation bionic non-smooth surface polyurethane foam board according to claim 2, which is characterized in that the circle
Column protrusion (11) and raised (12) the parallel longitudinal distribution of the cylindroid.
6. according to a kind of arcuation bionic non-smooth surface polyurethane foam board of claim 1-5 any one of them, feature exists
In the protrusion (1) and the substrate (2) all have hole.
7. according to a kind of arcuation bionic non-smooth surface polyurethane foam board of claim 1-5 any one of them, feature exists
In the arcuation bionic non-smooth surface polyurethane foam board is packed by bonding method and object to be packaged.
8. according to a kind of arcuation bionic non-smooth surface polyurethane foam board of claim 1-5 any one of them, feature exists
In, the polyurethane by polyether polyol 330N, polyalcohol 3630, catalyst A33, triethanolamine, catalyst A1, silicone oil, go
Ionized water and MDI compositions；Its mass fraction ratio 55-63：35-43：0.9-1.1：0.9-1.1：0.1-0.12：1.8-2.0：4.5-
5.0：30-35.
9. a kind of preparation method of arcuation bionic non-smooth surface polyurethane foam board, which is characterized in that specific steps include such as
Under：Polyalcohol 330N, polyalcohol 3630, catalyst A33, triethanolamine, catalyst A1, silicone oil are weighed first, in accordance with material mixture ratio
And deionized water, it is inverted in dixie cup, composite blender is stirred 90s with the mixing speed of 2000r/min；Its
It is secondary to weigh corresponding MDI and be poured into dixie cup, it is stirred with 500r/min using material mixers, waits for that dixie cup adstante febre will
It is poured into mold rapidly, and mold is sealed；Mold is finally put into drying box, drying box temperature setting is 50 DEG C, is being protected
After incubator is stored 2 hours, sample is taken out.
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| CN201810203432.0A CN108346420A (en) | 2018-03-13 | 2018-03-13 | A kind of arcuation bionic non-smooth surface polyurethane foam board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810203432.0A CN108346420A (en) | 2018-03-13 | 2018-03-13 | A kind of arcuation bionic non-smooth surface polyurethane foam board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281132A (en) * | 2018-03-13 | 2018-07-13 | 吉林大学 | With Cylindrical Pit bionic non-smooth surface polyurethane foam board and preparation method |
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