CN106543652B - A kind of modified poly-succinic fourth diester nanocomposite and preparation method thereof - Google Patents
A kind of modified poly-succinic fourth diester nanocomposite and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of modified poly-succinic fourth diester nanocomposite, component includes：100 parts of poly-succinic fourth diester；1~5 part of eight silsesquioxane of octaphenyl；0~15 part of modified luffa fibers；0.2~1 part of heat stabilizer；0.5~2 part of plasticizer；0.5~2 part of fire retardant；Wherein, the nanocomposite is obtained by following preparation methods：Step 1：Under the conditions of 50 80 DEG C, poly-succinic fourth diester is dried into 3 5h；Step 2：Poly-succinic fourth diester and eight silsesquioxane of octaphenyl are mixed into 3 5min, modified luffa fibers, plasticizer, fire retardant and heat stabilizer is then added, continues 5~10min of mixing；Step 3：It is granulated, injection molding, obtains the nanocomposite.The defects of technical scheme of the present invention may finally obtain a kind of nanocomposite of excellent in mechanical performance, be effectively improved two ester articles of poly-succinic fourth softness, and rigidity is insufficient.
Description
Technical field
The present invention relates to degradable resin field more particularly to a kind of modified poly-succinic fourth diester nanocomposite and
Preparation method, wherein, it is related to improvement of eight silsesquioxane of octaphenyl to poly-succinic fourth diester.
Background technology
Poly-succinic fourth diester (PBS) is a kind of resin obtained by succinic acid and butanediol through condensation polymerization, in milky white
Color, it is odorless tasteless, it is easily decomposed by the enzyme in the multiple-microorganism of nature or animal and plant body, metabolism, is finally decomposed to titanium dioxide
Carbon and water are the aliphatic polyesters of a kind of biocompatibility and biological degradability.
Due to its specific property, those skilled in the art carry out developmental research to it, and achievement is notable at present.Its
In, CN104356617A discloses a kind of fully biodegradable plastics, including polylactic acid, modification poly-succinic fourth diester,
Filler, coupling agent, plasticizer, stabilizer, antiseptic, stearate, the mechanical properties of the plastics is good, it is biodegradable,
And there is very strong gas permeability, and with good anti-flammability and antibiotic property；CN101717475 discloses a kind of biodegradable
Foamed plastics, including ultraviolet initiator, crosslinking agent, foaming agent, poly-succinic fourth diester or poly-succinic fourth diester and polyethers
The copolymer of formation.Various two esters products of poly-succinic fourth are widely used in releasing in drug control with the demand of people
It puts, biomedicine fields and other every field such as operation suture thread.
Although gradually having goed deep into for the research of two ester material of poly-succinic fourth at present, PBS was used in processing
The deficiency that black brittleness present in journey is big, mechanical property is low, melt strength unicellular lower eukaryote degraded macromolecular material generally has
Still it cannot overcome well, then constrain it significantly and be more widely applied.Therefore, the more good poly- fourth of a kind of performance
Two ester material of diacid fourth is that those skilled in the art are desired.
Invention content
Against the above deficiency, present inventor has found, using adding in other macromolecules or inorganic filler in the material
Mode can improve its crystal property and physical property well.Eight silsesquioxane of octaphenyl has the interior of Si-O-Si compositions
Portion's inorganic skeleton, while the nanoscale three-dimensional structural system of the organic group of its external connection are a kind of novel polymer modifications
Particle.Eight silsesquioxane silica skeleton periphery of octaphenyl is wrapped in the more organic group of number so that itself and organic matter
Compatibility is very excellent, can disperse in organic macromolecule, polymer well, and dispersion scale reaches Nano grade, so as to have
There is nano effect.
According to above-mentioned discovery, the present invention provides a kind of modified poly-succinic fourth diester nanocomposite and its preparation sides
Method may finally obtain a kind of nanocomposite of excellent in mechanical performance, be effectively improved two ester articles of poly-succinic fourth softness,
The defects of rigidity is insufficient.
Technical scheme of the present invention includes a kind of modified poly-succinic fourth diester nanocomposite, which is characterized in that its
Component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 50-80 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：By eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl, modified silk is then added
Melon fiber, plasticizer, fire retardant and heat stabilizer continue 5~10min of mixing；
Step 3：It is granulated, injection molding, obtains the nanocomposite.
Wherein, the preparation method of the modified luffa fibers includes：Luffa fibers are ground into fritter, and pulverize,
50-100 mesh sieve is crossed, it is then dry under 70-100 DEG C of vacuum environment, then it is mixed with 40-80ml absolute ethyl alcohols, and
Ultrasonic disperse 5-20min obtains finely dispersed suspension；It is anhydrous that coupling agent by the mass fraction of 0.5-1% is dissolved in 40-80ml
Ethyl alcohol obtains coupling agent solution；Then suspension is uniformly mixed with coupling agent solution and after the 3-5h that flows back at 60-90 DEG C,
It is cooled to room temperature, is centrifuged and the modified luffa fibers is dried to obtain under 70-100 DEG C of vacuum environment.
Further, the coupling agent is gamma-aminopropyl-triethoxy-silane coupling agent (KH550), γ-glycidol ether
Oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), titanate esters coupling
Any one or a few in agent (NZD201).
Further, in one embodiment of the invention, the preparation method of the modified luffa fibers is：By sponge gourd fibre
Dimension, which is placed in pulverizer, is ground into fritter, and ball mill grinding crosses 50-100 mesh sieve, then in 80 DEG C of vacuum drying oven into powder
Then middle drying mixes it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min obtains finely dispersed suspension；By coupling agent
50ml absolute ethyl alcohols are dissolved in by the mass fraction of 0.5-1%, obtain coupling agent solution；Then suspension and coupling agent solution are mixed
After closing the uniform and 3-5h that flows back at 80 DEG C, it is cooled to room temperature, is centrifuged drying in the vacuum drying oven with 80 DEG C, obtains institute
State modified luffa fibers.
Wherein, the heat stabilizer is maleic anhydride or epoxidized soybean oil.
Wherein, the plasticizer used is furfural.
Wherein, the fire retardant used is any one or a few in hydrotalcite, magnesium hydroxide and aluminium hydroxide.
Wherein, the step 1 carries out under the conditions of 60 DEG C.
Wherein, the step 3 is granulated by double screw extruder, and passes through injection molding machine injection molding.
Further, in a preferred embodiment of the invention, the modified nano combined material of poly-succinic fourth diester
The preparation method of material is：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer, fire retardant and heat stabilizer are added, continues 5~10min of mixing；
Step 3：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
Technical scheme of the present invention further includes a kind of modification poly-succinic fourth diester nanocomposite described above
Using.
Specific embodiment
The present invention provides a kind of modified poly-succinic fourth diester nanocomposites, which is characterized in that its component and its
Weight proportion includes：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 50-80 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：By eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl, modified silk is then added
Melon fiber, plasticizer, fire retardant and heat stabilizer continue 5~10min of mixing；
Step 3：It is granulated, injection molding, obtains the nanocomposite.
Wherein, the preparation method of the modified luffa fibers includes：Luffa fibers are ground into fritter, and pulverize,
50-100 mesh sieve is crossed, it is then dry under 70-100 DEG C of vacuum environment, then it is mixed with 40-80ml absolute ethyl alcohols, and
Ultrasonic disperse 5-20min obtains finely dispersed suspension；It is anhydrous that coupling agent by the mass fraction of 0.5-1% is dissolved in 40-80ml
Ethyl alcohol obtains coupling agent solution；Then suspension is uniformly mixed with coupling agent solution and after the 3-5h that flows back at 60-90 DEG C,
It is cooled to room temperature, is centrifuged and the modified luffa fibers is dried to obtain under 70-100 DEG C of vacuum environment.
Further, the coupling agent is gamma-aminopropyl-triethoxy-silane coupling agent (KH550), γ-glycidol ether
Oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), titanate esters coupling
Any one or a few in agent (NZD201).
Further, in one embodiment of the invention, the preparation method of the modified luffa fibers is：By sponge gourd fibre
Dimension, which is placed in pulverizer, is ground into fritter, and ball mill grinding crosses 50-100 mesh sieve, then in 80 DEG C of vacuum drying oven into powder
Then middle drying mixes it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min obtains finely dispersed suspension；By coupling agent
50ml absolute ethyl alcohols are dissolved in by the mass fraction of 0.5-1%, obtain coupling agent solution；Then suspension and coupling agent solution are mixed
After closing the uniform and 3-5h that flows back at 80 DEG C, it is cooled to room temperature, is centrifuged drying in the vacuum drying oven with 80 DEG C, obtains institute
State modified luffa fibers.
Wherein, the heat stabilizer is maleic anhydride or epoxidized soybean oil.
Wherein, the plasticizer used is furfural.
Wherein, the fire retardant used is any one or a few in hydrotalcite, magnesium hydroxide and aluminium hydroxide.
Wherein, the step 1 carries out under the conditions of 60 DEG C.
Wherein, the step 3 is granulated by double screw extruder, and passes through injection molding machine injection molding.
Further, in a preferred embodiment of the invention, the modified nano combined material of poly-succinic fourth diester
The preparation method of material is：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer, fire retardant and heat stabilizer are added, continues 5~10min of mixing；
Step 3：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
The present invention also provides a kind of applications of modification poly-succinic fourth diester nanocomposite described above.
Technical scheme of the present invention is further explained and is illustrated below by following embodiment.
Embodiment 1
A kind of modified poly-succinic fourth diester nanocomposite, component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh sieve into powder
Then son is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min scores
Dissipate uniform suspension；Coupling agent KH550 is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, it is molten to obtain coupling agent
Liquid；Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, is centrifuged
It is dried in 80 DEG C of vacuum drying oven, obtains the modified luffa fibers；
Step 3：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer furfural, fire retardant magnesium hydroxide and heat stabilizer maleic anhydride are added, continues to mix
Close 5~10min；
Step 4：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
Embodiment 2
A kind of modified poly-succinic fourth diester nanocomposite, component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh sieve into powder
Then son is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min scores
Dissipate uniform suspension；Coupling agent KH560 is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, it is molten to obtain coupling agent
Liquid；Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, is centrifuged
It is dried in 80 DEG C of vacuum drying oven, obtains the modified luffa fibers；
Step 3：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer furfural, fire retardant aluminium hydroxide and heat stabilizer epoxidized soybean oil are added, continues to mix
5~10min；
Step 4：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
Embodiment 3
A kind of modified poly-succinic fourth diester nanocomposite, component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh sieve into powder
Then son is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min scores
Dissipate uniform suspension；Titanate coupling agent NZD201 is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, obtains idol
Join agent solution；Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, through from
The heart is detached dries in the vacuum drying oven with 80 DEG C, obtains the modified luffa fibers；
Step 3：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer furfural, fire retardant hydrotalcite and heat stabilizer epoxidized soybean oil are added, continues mixing 5
~10min；
Step 4：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
Embodiment 4
A kind of modified poly-succinic fourth diester nanocomposite, component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh sieve into powder
Then son is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min scores
Dissipate uniform suspension；Coupling agent KH570 is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, it is molten to obtain coupling agent
Liquid；Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, is centrifuged
It is dried in 80 DEG C of vacuum drying oven, obtains the modified luffa fibers；
Step 3：Using high-speed mixer, by eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl,
Then modified luffa fibers, plasticizer furfural, fire retardant hydrotalcite and heat stabilizer maleic anhydride are added, continues to mix
5~10min；
Step 4：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State nanocomposite.
Comparative example
A kind of composite material, component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 60 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh sieve into powder
Then son is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min scores
Dissipate uniform suspension；Coupling agent is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, obtains coupling agent solution；With
Suspension with coupling agent solution is uniformly mixed afterwards and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, is centrifuged and 80
DEG C vacuum drying oven in dry, obtain the modified luffa fibers；
Step 3：Using high-speed mixer, by poly-succinic fourth diester, modified sponge gourd, plasticizer, fire retardant and thermostabilization
Agent mixes 5~10min；
Step 4：By above-mentioned material by double screw extruder extruding pelletization, and pass through injection molding machine injection molding, obtain institute
State composite material.
Detection comparison
The nano combined material of modification poly-succinic fourth diester obtained using universal testing machine KY-8000C to embodiment 1-4
The composite material that material and comparative example obtain is detected, and test result is as follows for Young's modulus：
| Testing index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Young's modulus (MPa) | 488 | 475 | 436 | 477 | 291 |
Compared with comparative example, this method is effectively improved the Young's modulus of material.
Specific embodiments of the present invention are described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
It substitutes also all among scope of the invention.Therefore, do not depart from the present invention-spirit and scope under the impartial conversion made and
Modification, all should be contained within the scope of the invention.
Claims (8)
1. a kind of modified poly-succinic fourth diester nanocomposite, which is characterized in that its component and its weight proportion include：
Wherein, the nanocomposite is obtained by following preparation methods, including：
Step 1：Under the conditions of 50-80 DEG C, poly-succinic fourth diester is dried into 3-5h；
Step 2：By eight silsesquioxane mixing 3-5min of poly-succinic fourth diester and octaphenyl, it is fine then to add modified sponge gourd
Dimension, plasticizer, fire retardant and heat stabilizer continue 5~10min of mixing；
Step 3：It is granulated, injection molding, obtains the nanocomposite；
The preparation method of the modified luffa fibers includes：Luffa fibers are ground into fritter, and pulverize, cross 50-100 mesh
Sieve, it is then dry under 70-100 DEG C of vacuum environment, then it is mixed with 40-80ml absolute ethyl alcohols, and ultrasonic disperse 5-
20min obtains finely dispersed suspension；Coupling agent is dissolved in 40-80ml absolute ethyl alcohols by the mass fraction of 0.5-1%, obtains idol
Join agent solution；Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 60-90 DEG C, is cooled to room temperature,
It is centrifuged and the modified luffa fibers is dried to obtain under 70-100 DEG C of vacuum environment；
The coupling agent for gamma-aminopropyl-triethoxy-silane coupling agent, γ-glycidyl ether oxygen propyl trimethoxy silicane,
Any one or a few in γ-(methacryloxypropyl) propyl trimethoxy silicane, titanate coupling agent.
2. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the heat stabilizer
For maleic anhydride or epoxidized soybean oil.
3. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the plasticizer is
Furfural.
4. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the fire retardant is
Any one or a few in hydrotalcite, magnesium hydroxide and aluminium hydroxide.
5. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the modified sponge gourd
The preparation method of fiber is：Luffa fibers are placed in pulverizer and are ground into fritter, and ball mill grinding crosses 50-100 mesh into powder
Then sieve is dried in 80 DEG C of vacuum drying oven, then mix it with 50ml absolute ethyl alcohols, and ultrasonic disperse 10min is obtained
Finely dispersed suspension；Coupling agent is dissolved in 50ml absolute ethyl alcohols by the mass fraction of 0.5-1%, obtains coupling agent solution；
Then suspension with coupling agent solution is uniformly mixed and after the 3-5h that flows back at 80 DEG C, is cooled to room temperature, be centrifuged and
It is dried in 80 DEG C of vacuum drying oven, obtains the modified luffa fibers.
6. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the step 1 is
It is carried out under the conditions of 60 DEG C.
7. it is modified poly-succinic fourth diester nanocomposite according to claim 1, which is characterized in that the step 3 is
It is granulated by double screw extruder, and passes through injection molding machine injection molding.
8. a kind of application of modification poly-succinic fourth diester nanocomposite as described in claim 1-7 any one.
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| CN104530655A (en) * | 2014-11-13 | 2015-04-22 | 苏州威尔德工贸有限公司 | A PBS composite material used for degradable infant cups and a preparing method thereof |
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