CN106543466A - A kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application - Google Patents
A kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application Download PDFInfo
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- CN106543466A CN106543466A CN201610937932.8A CN201610937932A CN106543466A CN 106543466 A CN106543466 A CN 106543466A CN 201610937932 A CN201610937932 A CN 201610937932A CN 106543466 A CN106543466 A CN 106543466A
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- aromatic copolyester
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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Abstract
The invention discloses a kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application, this preparation method is poured into aliphatic aromatic copolyester prepolymer in the hole of Cube sugar using the method for evacuation；After the solidification of aliphatic aromatic copolyester prepolymer, cut the aliphatic aromatic copolyesters solidfied material for being wrapped in Cube sugar, then will be filled with aliphatic aromatic copolyesters solidfied material Cube sugar be soaked into deionized water in Cube sugar is dissolved, finally by the aliphatic aromatic copolyester elastomer sponge for obtaining clean and dry.Above-mentioned preparation method is simple, and prepare sponge is highly flexible is, stretchable compression, surface super hydrophobic and environmental friendliness, multiple cyclic absorption can be carried out to oil and organic solvent, and dimensional tensile extent control sponge can be passed through to oil and the infiltration rate of organic solvent, be conducive to the raising of aliphatic aromatic copolyester elastomer sponge absorption efficiency and widening for application.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of preparation method of aliphatic-aromatic copolyester elastic sponge
And application.
Background technology
For the global range water pollution for solving the problems, such as to be caused by Oil spills and industrial organic solvent pollution, research and development
Going out the material with High-efficient Water oil separation performance becomes the focus of people's research, and can recycle and will can gather
Oil or organic solvent the extensive concern of scientific research personnel is caused by simple mode recycled materials.
Existing three-dimensional polymer sponge is the polymeric material of flexible and porous, such as polyurethane（PU）Or polydimethylsiloxanes
Alkane（PDMS）Made by sponge, it is as which has light weight, fast to greasy dirt infiltration rate, the advantages of absorptive capacity is big, causes and grind
The persons of studying carefully widely pay close attention to.But these material tensile properties are weaker, pliability is poor, the problem of mechanical property of enbrittling, it is impossible to
The such as irregular interface such as sea is adapted to, cannot also pass through absorption speed of the dimensional tensile extent control sponge to oil and organic solvent
Degree.It can be seen that, it is above-mentioned that preparation has the three-dimensional polymer sponge ability effectively solving that infiltration rate is fast, capacity is big and tensile property is good concurrently
Technological deficiency.Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of aliphatic-aromatic copolyester bullet
Property sponge, preparation method and application, it is intended to which the sponge tensile property that solves prior art is weaker, pliability is poor, power of enbrittling
Learn property, it is impossible to adapt to the such as irregular interface such as sea, also cannot be by dimensional tensile extent control sponge to oily and organic
The problem of the infiltration rate of solvent.
Technical scheme is as follows：
A kind of preparation method of aliphatic-aromatic copolyester elastic sponge, including step：
A, aliphatic-aromatic copolyester prepolymer is poured in the hole of Cube sugar by the method for evacuation；
B, after aliphatic-aromatic copolyester prepolymer cures, cut be wrapped in Cube sugar aliphatic-aromatic copolyester it is solid
Compound, then will be filled with aliphatic-aromatic copolyester solidfied material Cube sugar be soaked into deionized water in Cube sugar is dissolved, most
Afterwards the aliphatic-aromatic copolyester elastic sponge for obtaining is cleaned and dried.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, step A is specifically included：
A1, previously prepared aliphatic-aromatic copolyester prepolymer；
A2, by ready Cube sugar immerse aliphatic-aromatic copolyester prepolymer in；
A3, the aliphatic-aromatic copolyester prepolymer for being soaked with Cube sugar is put in vacuum chamber, pump gas；
A4, after gas is exhausted, the Cube sugar for speckling with aliphatic-aromatic copolyester prepolymer is taken out and is solidified.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, step B is specifically included：
B1, solidified after, by Cube sugar surface wrap up aliphatic-aromatic copolyester solidfied material excision；
B2 and then Cube sugar is soaked in deionized water；
B3, Cube sugar is dissolved.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, also wrap after step B3
Include：
B4, taking-up float to the aliphatic-aromatic copolyester elastic sponge on liquid level, and deionized water is cleaned in ultrasound；
B5, then aliphatic-aromatic copolyester elastic sponge is dried.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, in step A4, at 65 DEG C
Air dry oven in solidify 1 h, or solidify 4h at room temperature.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, in step B3, at 65 DEG C
Baking oven in dissolve Cube sugar.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, in step B4, spend from
Sub- water is cleaned in ultrasound 2 times.
The preparation method of described aliphatic-aromatic copolyester elastic sponge, wherein, in step B5, it is put into 65
DEG C air dry oven in be dried 10 h.
A kind of aliphatic-aromatic copolyester elastic sponge, is made using above-mentioned preparation method.
A kind of application of aliphatic-aromatic copolyester elastic sponge, by aliphatic-aromatic copolyester elasticity sea
It is continuous to use for oil-water separation.
Beneficial effect：The preparation method of the present invention is simple, and the aliphatic-aromatic copolyester elastic sponge height for preparing
Soft, stretchable compression, surface super hydrophobic and environmentally friendly, can carry out multiple cyclic absorption to oil and organic solvent, and
Dimensional tensile extent control sponge can be passed through to oil and the absorption rate of organic solvent, this is conducive to aliphatic-aromatic copolymerization
The raising of ester elastomer sponge oil suction efficiency and widening for application.
Description of the drawings
Fig. 1 is the extension at break curve chart of aliphatic-aromatic copolyester elastic sponge prepared by the present invention.
Fig. 2 a are that aliphatic-aromatic copolyester elastic sponge prepared by the present invention absorbs energy to variety classes organic solvent
The block diagram of power.
Fig. 2 b are to organic solvent under aliphatic-aromatic copolyester elastic sponge difference cycle-index prepared by the present invention
The block diagram of absorbability.
Fig. 3 is that the aliphatic-aromatic copolyester elastic sponge of different-thickness is oozed to paraffin oil under same stretch degree
Permeability comparison diagram.
Fig. 4 for same thickness aliphatic-aromatic copolyester elastic sponge under different stretch degree to paraffin oil
Permeability vs scheme.
Specific embodiment
The invention provides a kind of aliphatic-aromatic copolyester elastic sponge, preparation method and application, to make the present invention
Purpose, technical scheme and effect it is clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that this place
The specific embodiment of description only to explain the present invention, is not intended to limit the present invention.
A kind of preparation method of aliphatic-aromatic copolyester elastic sponge provided by the present invention, which includes step：
S1, aliphatic-aromatic copolyester prepolymer is poured in the hole of Cube sugar by the method for evacuation；
S2, after aliphatic-aromatic copolyester prepolymer cures, cut the aliphatic-aromatic copolyester for being wrapped in Cube sugar
Solidfied material, then will be filled with aliphatic-aromatic copolyester solidfied material Cube sugar be soaked into deionized water in Cube sugar is dissolved,
Finally the aliphatic-aromatic copolyester elastic sponge for obtaining is cleaned and dried.
In the present invention, aliphatic-aromatic copolyester elastic sponge preparation process is easy, and preparation condition is gentle, and has
There is the property of substantial amounts of microcellular structure and super-hydrophobic oleophylic, with high oil/water separation efficiency and selectivity, can be by oil from water
Middle separation and do not absorb water, and oil be locked in sponge do not spill, only when sponge is extruded, oil just spills.
The aliphatic-aromatic copolyester elastic sponge prepared using the inventive method, with three-dimensional cavernous structure, has non-
Often good elastic, flexible and tensility energy, also with good hydrophobic-lipophilic, has to oil and organic solvent good
Adsorbate sufficiently can be extruded by adsorption effect, and the extruding by external force, can also recycle.
Below the method for the present invention is specifically described.
Step S1 is specifically included：
S11, previously prepared aliphatic-aromatic copolyester prepolymer；
S12, by ready Cube sugar immerse aliphatic-aromatic copolyester prepolymer in；
S13, the aliphatic-aromatic copolyester prepolymer for being soaked with Cube sugar is put in vacuum chamber, pump gas;
S14, after gas is exhausted, the Cube sugar for speckling with aliphatic-aromatic copolyester prepolymer is taken out and is solidified.
In step S11, first Cube sugar is ready to stand-by, aliphatic-aromatic copolyester prepolymer can be by A
Liquid and B liquid are in proportion（Such as 1:1）Then mixing is uniformly mixing to obtain, and A liquid therein and B liquid are packaged raw material.The fat
Fat race-aromatic copolyester prepolymer is from German BASF AG, trade name Smooth-on, model：Ecoflex®
00-30, containing two kinds of liquid components：A liquid and B liquid.
Cube sugar can be commercially available too port Cube sugar, and such as size is 20mm × 20mm × 11mm.
In step S12, aliphatic-aromatic copolyester prepolymer can be poured in container, then Cube sugar is immersed
Mixture is obtained in aliphatic-aromatic copolyester prepolymer.
In step S13, rapidly mixture is put in vacuum chamber, the gas in mixture is pumped with mechanical oil pump
Body.In vacuum, the air in Cube sugar hole is discharged, and prepolymer is poured in the hole of Cube sugar.
In above-mentioned vacuum, the pumpdown time no more than 15 minutes, preferred 8-10 minutes, this is because the time is too
It is short air in Cube sugar to be drained, it is unfavorable for that prepolymer is entered in hole；Time is oversize to make prepolymer in evacuation
During there is solidification, make prepolymer pour into the effect on driving birds is not good of Cube sugar hole, therefore select time of evacuation to be 8-10 minutes,
Such as 10 minutes.
In step S14, after gas is exhausted, surface parcel and inside aliphatic-aromatic is almost filled out into
The Cube sugar of copolyester prepolymer takes out, and is then solidified.Above-mentioned solidification process be by surface parcel, solid aliphatic-
The Cube sugar of aromatic copolyester prepolymer is dried in being placed on culture dish, the process for making the structure of acquisition more stable.Tool
The condition of cure of body can be that Cube sugar is placed in plastic culture dish, and solidify 1 h in being put into 65 DEG C of air dry oven, also may be used
To solidify 4 h at room temperature, constitutionally stable product is obtained.
Further, step S2 is specifically included：
S21, solidified after, by Cube sugar surface wrap up aliphatic-aromatic copolyester solidfied material excision, obtain being filled with fat
The Cube sugar of race-aromatic copolyester solidfied material；
S22 and then the Cube sugar in S21 is soaked into into deionized water；Will Cube sugar it is solid with the aliphatic-aromatic copolyester of filling
The mixture of compound is soaked into deionized water.
S23, Cube sugar is dissolved.
In step S21, after the aliphatic-aromatic copolyester prepolymer cures of Cube sugar surface and inside are complete, will
The aliphatic-aromatic copolyester solidfied material excision of Cube sugar surface parcel, makes 6 faces of Cube sugar expose in atmosphere.
In step S22 and step S23, Cube sugar is dissolved in deionized water, aliphatic-aromatic copolyester is made
Elastic sponge is floated on liquid level.The mode of dissolving can in 65 DEG C of baking oven dissolve Cube sugar, or at room temperature, pass through
The mode of stirring dissolves Cube sugar.
The process for removing Cube sugar includes:Above-mentioned Cube sugar is placed in the beaker equipped with deionized water, and in 65 DEG C of baking
Heat in case, promote the dissolving of Cube sugar；Preferably, above-mentioned beaker is placed in heating mantle, it is fast using agitator while heating
Speed stirring, accelerates the dissolution velocity of Cube sugar；It is furthermore preferred that repeating above-mentioned preferred course of dissolution 2-5 time, 3 times preferably.
Further, also include after step S23：
S24, taking-up float to the aliphatic-aromatic copolyester elastic sponge on liquid level, and deionized water is cleaned in ultrasound；
S25, the aliphatic-aromatic copolyester elastic sponge for then speckling with deionized water to surface are dried process.
Specifically, in step s 24, it is that Cube sugar is cleaned up, after said process, taking-up is floated on liquid level
Aliphatic-aromatic copolyester elastic sponge, deionized water are cleaned in ultrasound 2 times, every time cleaning 5-15 minutes, 10 minutes
Preferably, be cleaned by ultrasonic deficiency of time, it is impossible to which remaining Cube sugar is cleaned, and the ultrasonic cleaning time is too long, can be to aliphatic-fragrance
The structure of race copolyester elastomer sponge is damaged, thus select 10 minutes it is more suitable.
In step S25, after cleaning terminates, the aliphatic-aromatic copolyester bullet of deionized water is speckled with to surface
Property sponge be dried process, for example the sponge that said process is obtained is positioned in 65 DEG C of air dry oven be dried it is 10 little
When, hydrophobic-lipophilic, super soft, stretchable aliphatic-aromatic copolyester elastic sponge is so obtained.
Using the aliphatic-aromatic copolyester elastic sponge prepared by said method, its extension at break curve such as Fig. 1 institutes
Show, it can be seen that the aliphatic-aromatic copolyester elastic sponge has preferable tensile property, its extension at break
Rate up to 700%, elastic modelling quantity as little as 0.01 MPa.
The preparation method of the present invention, using commercially available Cube sugar as template（As " template "）, by the method for evacuation
Aliphatic-aromatic copolyester prepolymer is injected in the hole of Cube sugar, super soft aliphatic-aromatic copolymerization has been obtained
Ester elastomer hydrophobic oleophilic oil sponge.Preparation method step of the present invention is easy, and reaction condition is gentle, can be prepared on a large scale.Due to fat
Race-excellent mechanical property of aromatic copolyester elastic sponge and high flexibility, it can be adapted to most of irregular changeable
Interface such as sea, and dimensional tensile can be carried out, by controlling different level of stretch, control pick up the oil or collection speed
Degree.
In addition, the present invention can also pass through the aliphatic-aromatic copolyester elasticity that " completion method " prepares different pore size size
Sponge, such as using the sugar that two kinds of particles is of different sizes（Soft plantation white sugar and glucose, have more intergranular pores between the sugar of mixing
Gap）To prepare the sponge of different pore size size, i.e., by adjusting soft plantation white sugar, the mass ratio different with glucose, adjusts fat
The pore size of race-aromatic copolyester elastic sponge.For example commercially available soft plantation white sugar and glucose are mixed in different ratios
Uniformly（Soft plantation white sugar：The mixed proportion of glucose is respectively 10：0、9：1、8：2、7：3、6：4、5：5、4：6、3：7、2：8、1：9、0：
10）, then mixed sugar is immersed in aliphatic-aromatic copolyester prepolymer and is solidified again, for example, be put into 65 DEG C
Air dry oven in solidify 1 h, it is also possible to solidify 4 h at room temperature, obtain constitutionally stable product, then carry out dissolving and clear
Wash, it is identical with template the step of dissolve and clean, therefore repeat no more.
The present invention also provides a kind of aliphatic-aromatic copolyester elastic sponge, and which adopts above-mentioned preparation method to make.
The aliphatic-aromatic copolyester elastic sponge of the present invention have super soft, super-hydrophobic, tensile property it is strong, can dimensional tensile
Performance, its elongation at break up to 700%, elastic modelling quantity as little as 0.01 MPa.
The present invention a kind of application of aliphatic-aromatic copolyester elastic sponge is also provided, wherein, by the aliphatic-
Aromatic copolyester elastic sponge is used for oil-water separation.
Embodiment 1（Oil-water separation characteristic test）
1）Aliphatic-aromatic copolyester elastic sponge pretreatment：The aliphatic-aromatic copolymerization that will be prepared with " template "
Ester elastomer sponge, deionized water are cleaned by ultrasonic 2 times, then are cleaned with EtOH Sonicate 1 time, and the time of ultrasound is 5 min, then
Taking-up is dried complete, about 40 min in being put into convection oven；
2）The preparation of the oil and water of color mark：The preparation of " chilli oil ", will load weighted 100 mL saxols and 0.2 g
Tonyred powder mixing and stirring；The preparation of " Lan Shui ", will load weighted 100 mL deionized waters and the water miscible indigo plants of 1 g
Color pigment mixing and stirring；
3）Aliphatic-aromatic copolyester elastic sponge after drying is placed on filter paper, then in aliphatic-aromatic copolymerization
Ester elastomer sponge surface drips " Lan Shui " and a few drops " chilli oil " to observe the hydrophobic oleophilic oil of sponge；
4）Aliphatic-aromatic copolyester elastic sponge after drying is shredded, is placed in equipped with 30 mL deionized waters and 5 mL
Sealed membrane is sealed up in the 50 mL beakers of " chilli oil ", is then acutely shaken, is sucked aliphatic-aromatic copolyester elastic sponge
After " chilli oil ", deionized water is poured out, observe the oil-water separation characteristic of aliphatic-aromatic copolyester elastic sponge.
Adopt with the aforedescribed process to verify the aliphatic-aromatic copolyester elastic sponge of the present invention for different types of
The recycling situation of organic solvent absorbability and oil suction.Specifically as shown in Figure 2 a and 2 b, in Fig. 2 a, flower is represented respectively
Oil generation, ethanol, isopropanol, methanol, acetone, saxol, fluorinated oil, hexane, toluene, dichloromethane, chloroform have
Machine solvent absorption ability.In Fig. 2 b, abscissa is represented and recycles number of times.As can be seen that aliphatic-aromatic is common from Fig. 2 a
Polyester sponge has preferable absorbability to different organic solvents, to hexane, toluene, dichloromethane, chloroform
Absorbability more project；Can be seen that from Fig. 2 b number of times is recycled with aliphatic-aromatic copolyester elastic sponge
Increase, its absorbability to Organic substance is basically unchanged, it is seen then that aliphatic-aromatic copolyester elasticity prepared by the method
Sponge can effectively absorb Organic substance；And aliphatic-aromatic copolyester elastic sponge is during recycling, absorbability
It is unaffected.
Embodiment 2
Aliphatic-aromatic copolyester elastic sponge prepared by the present invention can be assembled into an oil-water separation dress with vial
Put, as oily device is collected, referred to as " oil-collecting bottle ".The device can be by controlling the permeability of oil in terms of following two：①
Under identical size thickness condition, by the different stretch degree for controlling aliphatic-aromatic copolyester elastic sponge（It is divided into
5 kinds of level of stretch：0th, 100%, 200%, 300% and 400%）To control the permeability of oil；2. under the conditions of level of stretch identical,
By the different-thickness for controlling aliphatic-aromatic copolyester elastic sponge（It is divided into 5 kinds of thickness：2 mm、4 mm、6 mm、7
mm、8 mm）To control the permeability of oil.
1）The preparation of the aliphatic-aromatic copolyester elastic sponge of same thickness：Will be with fat obtained in " template "
Race-aromatic copolyester elastic sponge is cut into size and is about 16 × 16 × 3 mm；
2）The preparation of the aliphatic-aromatic copolyester elastic sponge of different-thickness：Will be with aliphatic-virtue obtained in " template "
Fragrant race's copolyester elastomer sponge is cut into different-thickness, respectively 2 mm, 4 mm, 6 mm, 7 mm, 8 mm；
3）The oil of color mark：The preparation of " chilli oil ", will load weighted 100 mL saxols and 0.2 g tonyred powder
Mixing and stirring；
4）Sewage is simulated：Load the deionized water of 450 mL in the beaker of 500 mL, prepare in then measuring 50 mL steps 3
" chilli oil " in deionized water, as the density of the density ratio deionized water of saxol is little, therefore liquid paraffin can float
On deionized water；
5）The assembling of oil-collecting bottle：The steel ball that about 5.8 mm of diameter is put in 10 mL glass sample bottles increases weight for sample bottle, prevents
When sample bottle is on the water surface bottleneck because of gravity down, then fix one in sample bottleneck transparent adhesive tape and be about 8 mm, external diameter
The aliphatic-aromatic copolyester elastic sponge of same thickness in step 1 is distinguished by the silica gel tube of about 0.8mm as blow vent
Dimensional tensile then passes through silica gel tube rubber band and covers on sample bottle to 0,100%, 200%, 300% and 400% this five kinds of degree
Mouthful；Again by the aliphatic-aromatic copolyester elastic sponge dimensional tensile of obtained different-thickness in step 2 to close degree
（Level of stretch about 260%）Sample bottleneck is covered on through silica gel tube rubber band afterwards；One sample bottle for having 10 groups of different conditions,
Respectively：1. under identical size thickness condition, by aliphatic-aromatic copolyester elastic sponge dimensional tensile 0,100%,
200%th, 300% and 400% 5 kind of degree, 2. under the conditions of dimensional tensile degree identical, by aliphatic-aromatic copolyester elasticity
Sponge is cut into different five kind thickness, respectively 2 mm, 4 mm, 6 mm, 7 mm, 8 mm.
6）Permeability of the oil-collecting bottle to oil：By step 5）In the oily-water seperating equipment that assembles be placed in step 4）In sewage
Simulated field, under the conditions of certain hour, draws the oil on the water surface, then weighs, be designated as m1；Again by oily-water seperating equipment
Oil is weighed after slowly pouring out, and is designated as m2；By formula scales：(m2 - m1Time)/(× bottleneck area), you can learn step 5
In under 10 kinds of different conditions, infiltration rate of the oily-water seperating equipment to same oil.Under the conditions of identical dimensional tensile degree, with
The increase of thickness, aliphatic-aromatic copolyester elastic sponge is gradually reduced to the infiltration rate of oil；In the bar of same thickness
Under part, with the increase of level of stretch, aliphatic-aromatic copolyester elastic sponge gradually increases to the infiltration rate of oil.
From figure 3, it can be seen that with the increase of aliphatic-aromatic copolyester elastic sponge thickness, which is to liquid stone
The seepage velocity of wax oil is gradually lowered, and certain linear relationship is presented.Figure 4, it is seen that with the increasing of level of stretch
Plus, aliphatic-aromatic copolyester elastic sponge is in rising trend to the infiltration rate of saxol, and stretch range compared with
Hour, speed rising becomes apparent from.In sum, under the conditions of identical dimensional tensile degree, with the increase of thickness, aliphatic-
Aromatic copolyester elastic sponge is gradually reduced to the infiltration rate of oil；Under conditions of same thickness, with level of stretch
Increase, aliphatic-aromatic copolyester elastic sponge gradually increases to the infiltration rate of oil, i.e., less thickness, larger drawing
The degree of stretching is conducive to quickly absorbing Organic substance.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or be converted, all these modifications and variations should all belong to the guarantor of claims of the present invention
Shield scope.
Claims (10)
1. a kind of preparation method of aliphatic-aromatic copolyester elastic sponge, it is characterised in that including step：
A, aliphatic-aromatic copolyester prepolymer is poured in the hole of Cube sugar by the method for evacuation；
B, after aliphatic-aromatic copolyester prepolymer cures, cut be wrapped in Cube sugar aliphatic-aromatic copolyester it is solid
Compound, then will be filled with aliphatic-aromatic copolyester solidfied material Cube sugar be soaked into deionized water in Cube sugar is dissolved, most
Afterwards the aliphatic-aromatic copolyester elastic sponge for obtaining is cleaned and dried.
2. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 1, it is characterised in that institute
State step A to specifically include：
A1, previously prepared aliphatic-aromatic copolyester prepolymer；
A2, ready Cube sugar is immersed in aliphatic-aromatic copolyester prepolymer；
A3, the aliphatic-aromatic copolyester prepolymer for being soaked with Cube sugar is put in vacuum chamber, pump gas；
A4, after gas is exhausted, the Cube sugar for speckling with aliphatic-aromatic copolyester prepolymer is taken out and is solidified.
3. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 1, it is characterised in that institute
State step B to specifically include：
B1, solidified after, by Cube sugar surface wrap up aliphatic-aromatic copolyester solidfied material excision；
B2 and then Cube sugar is soaked in deionized water；
B3, Cube sugar is dissolved.
4. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 3, it is characterised in that institute
Also include after stating step B3：
B4, taking-up float to the aliphatic-aromatic copolyester elastic sponge on liquid level, and deionized water is cleaned in ultrasound；
B5, aliphatic-aromatic copolyester elastic sponge is dried into process then.
5. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 2, it is characterised in that institute
State in step A4, solidify 1 h in 65 DEG C of air dry oven, or solidify 4h at room temperature.
6. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 3, it is characterised in that institute
State in step B3, in 65 DEG C of baking oven dissolve Cube sugar.
7. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 4, it is characterised in that institute
State in step B4, deionized water is cleaned in ultrasound 2 times.
8. the preparation method of aliphatic-aromatic copolyester elastic sponge according to claim 4, it is characterised in that institute
State in step B5, in being put into 65 DEG C of air dry oven, be dried 10 h.
9. a kind of aliphatic-aromatic copolyester elastic sponge, it is characterised in that using as described in any one of claim 1 ~ 8
Preparation method make.
10. a kind of application of aliphatic-aromatic copolyester elastic sponge, it is characterised in that by the aliphatic-aromatic altogether
Polyester sponge is used for oil-water separation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610937932.8A CN106543466A (en) | 2016-10-25 | 2016-10-25 | A kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application |
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| CN201610937932.8A CN106543466A (en) | 2016-10-25 | 2016-10-25 | A kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application |
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| CN201610937932.8A Pending CN106543466A (en) | 2016-10-25 | 2016-10-25 | A kind of aliphatic aromatic copolyester elastomer sponge, preparation method and application |
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| CN107393627A (en) * | 2017-07-24 | 2017-11-24 | 深圳大学 | A kind of flexible electrical conductors and preparation method thereof |
| CN108786181A (en) * | 2018-05-24 | 2018-11-13 | 山西大学 | A kind of preparation method of flexible-epoxy water-oil separating sponge |
| CN109265733A (en) * | 2018-09-01 | 2019-01-25 | 哈尔滨工程大学 | A kind of preparation method of polyurethane cellular sponge composite pressure sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107393627A (en) * | 2017-07-24 | 2017-11-24 | 深圳大学 | A kind of flexible electrical conductors and preparation method thereof |
| CN107393627B (en) * | 2017-07-24 | 2019-11-26 | 深圳大学 | A kind of flexible electrical conductors and preparation method thereof |
| CN108786181A (en) * | 2018-05-24 | 2018-11-13 | 山西大学 | A kind of preparation method of flexible-epoxy water-oil separating sponge |
| CN109265733A (en) * | 2018-09-01 | 2019-01-25 | 哈尔滨工程大学 | A kind of preparation method of polyurethane cellular sponge composite pressure sensor |
| CN109265733B (en) * | 2018-09-01 | 2021-03-30 | 哈尔滨工程大学 | Preparation method of polyurethane porous sponge composite material pressure sensor |
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