CN107955308A - A kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof - Google Patents
A kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof Download PDFInfo
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- CN107955308A CN107955308A CN201711270597.1A CN201711270597A CN107955308A CN 107955308 A CN107955308 A CN 107955308A CN 201711270597 A CN201711270597 A CN 201711270597A CN 107955308 A CN107955308 A CN 107955308A
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- polymethyl methacrylate
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof, including following parts by weight raw material to be prepared：40 50 parts of polymethyl methacrylate, 5 15 parts of nano-aluminum hydroxide, 5 10 parts of modifying agent, 20 35 parts of polyacrylonitrile, 0.3 0.8 parts of coupling agent, 25 parts of crosslinking agent, 5 10 parts of zinc dimethacrylate, 38 parts of zinc stearate；The present invention is for composite by the nano-aluminum hydroxide Jing Guo specific aim modification and polymethyl methacrylate, and nano-aluminum hydroxide is set to be dispersed in polymethyl methacrylate system, obtained composite material of polymethyl methacrylate resistance to elevated temperatures is excellent, is conducive to application of the polymethyl methacrylate in more areas.
Description
Technical field
The present invention relates to modified material field, and in particular to a kind of high temperature resistant composite material of polymethyl methacrylate and its
Preparation method.
Background technology
Polymethyl methacrylate is the polymer formed using methyl methacrylate as monomer polymerization, is a kind of thermoplasticity
Plastics.Due to resistance to ag(e)ing is good, translucency is good, good insulating, high mechanical strength, good weatherability, good flame resistance etc. are excellent
Comprehensive performance, so obtained for a long time in fields such as electronics, electric appliance, machinery, automobile, medical apparatus, food processings widely should
With.
With the continuous improvement that people require material resistance to elevated temperatures, the poly-methyl methacrylate without heat resist modification
Ester has been difficult to meet demand, thus, heat resist modification is carried out to polymethyl methacrylate and is necessitated.Now to poly- methyl-prop
The heat resist modification processing method species of e pioic acid methyl ester is various, and modified effect is also fine, especially with the appearance of nano material
And application, the heat-resisting quantity increase significant effect of polymethyl methacrylate, enables polymethyl methacrylate in more areas
It is a large amount of to use, but there is also deficiency.Although nano material has the advantages of high temperature resistant enhancing effect is good, and additive amount is small, also deposit
In difficulties in dispersion, it is of high cost the defects of.During heat resist modification is carried out, nano material, which disperses inequality, can influence its high temperature resistant
Effect, obtained modified material heat-resisting quantity is relatively low, and the production and application to modified material adversely affect.
The content of the invention
The defects of it is an object of the invention to overcome existing composite material of polymethyl methacrylate heat-resisting quantity poor, carry
For a kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof；The present invention is by by specific aim modification
Nano-aluminum hydroxide is for composite with polymethyl methacrylate, and nano-aluminum hydroxide is dispersed in polymethylacrylic acid
In methyl esters system, obtained composite material of polymethyl methacrylate resistance to elevated temperatures is excellent, is conducive to poly-methyl methacrylate
Application of the ester in more areas.
In order to realize foregoing invention purpose, the present invention provides a kind of high temperature resistant composite material of polymethyl methacrylate,
It is prepared including following parts by weight raw material：40-50 parts of polymethyl methacrylate, 5-15 parts of nano-aluminum hydroxide,
5-10 parts of modifying agent, 20-35 parts of polyacrylonitrile, 0.3-0.8 parts of coupling agent, 2-5 parts of crosslinking agent, 5-10 parts of diformazan
Base zinc acrylate resin, 3-8 parts of zinc stearate.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, can increase tree according to nano-aluminum hydroxide and crosslinking
The basic principle of fat material heat-resisting quantity, not only by targetedly screening modifying agent, coupling agent and the species of crosslinking agent, to carry
Compatibility between high nano-aluminum hydroxide and polymethyl methacrylate, and make nano-aluminum hydroxide in poly-methyl methacrylate
Disperse evenly, to make nano-aluminum hydroxide more preferable to the heat-resisting quantity humidification of polymethyl methacrylate, also pass through in ester
Control polymethyl methacrylate the degree of polymerization come make modified composite material of polymethyl methacrylate heat-resisting quantity with
Reach optimum balance relation between processability, so that the composite material of polymethyl methacrylate made is with excellent resistance to
Under conditions of high temperatures, it may have excellent processability, allows it to be applied in more areas.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, the nano-aluminum hydroxide particle diameter is
10-80nm；Nano-aluminum hydroxide particle diameter is smaller, and dispersiveness is poorer, and nano-aluminum hydroxide particle diameter is bigger, to poly-methyl methacrylate
The high temperature resistant humidification of ester is poorer；Preferably, the nano-aluminum hydroxide particle diameter is 30-50nm；Most preferably, it is described
Nano-aluminum hydroxide particle diameter is 40nm.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, the modifying agent is butyl titanate
With the mixture of dibutyl tin laurate composition；The modifying agent can improve nano-aluminum hydroxide and polymethylacrylic acid
The compatibility of methyl esters, and polar group can be formed on nano-aluminum hydroxide surface, beneficial to scattered；Preferably, the modifying agent
The ratio between amount of material of middle butyl titanate and dibutyl tin laurate is 1 ︰ 1.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, the degree of polymerization of polyacrylonitrile is bigger, then hands over
The heat-resisting quantity of composite material of polymethyl methacrylate is poorer after connection, and processability is better, and the polymer of polyacrylonitrile is smaller, then
The heat-resisting quantity of composite material of polymethyl methacrylate is better after crosslinking, and processability is poorer, therefore, selects rational polypropylene
The nitrile degree of polymerization, is the important means for balancing heat-resisting quantity and processability.The degree of polymerization of the polyacrylonitrile is 400-550；It is excellent
Choosing, the degree of polymerization of the polyacrylonitrile is 450-500；Optimal, the degree of polymerization of the polyacrylonitrile is 480；Pass through
It is preferred that obtained composite material of polymethyl methacrylate both has excellent heat-resisting quantity, it may have preferable processability, is fitted
Close the application in more areas.
Wherein, the polymethyl methacrylate degree of polymerization is 1200-1800；Preferably, the polymethylacrylic acid
The degree of polymerization of methyl esters is 1400-1600；Most preferably, the degree of polymerization of the polymethyl methacrylate is 1500；By excellent
Choosing, obtained composite material of polymethyl methacrylate both have excellent heat-resisting quantity, it may have preferable processability.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, the coupling agent is three isopropyl of aluminic acid
Ester coupling agent；Three isopropyl ester of aluminic acid can increase compatible between nano-aluminum hydroxide and polymethyl methacrylate and modifying agent
Property, improves the performance of composite material of polymethyl methacrylate.
Wherein, the crosslinking agent is aluminium isopropoxide, which can be by the polymer raw materials of two kinds of different polymerization degrees
Appropriate crosslinking, improves the heat-resisting quantity of composite material of polymethyl methacrylate.
A kind of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, its raw material further includes dispersant, plasticising
One or more auxiliary agents in agent, antistatic additive, coloring agent, brightener；Above-mentioned auxiliary agent can improve polymethyl methacrylate
The processability of composite material, increases the effect such as its feature, so as to increase its applicability.
In order to realize foregoing invention purpose, further, present invention also offers a kind of high temperature resistant poly-methyl methacrylate
The preparation method of ester composite material, comprises the following steps：
（1）Nano-aluminum hydroxide is handled with coupling agent；
（2）Nano-aluminum hydroxide Jing Guo coupling agent treatment is subjected to cladding processing with modifying agent；
（3）The place for composite in the electric field after mixing by the nano-aluminum hydroxide after cladding and polymethyl methacrylate
Reason, obtains mixture；
（4）By mixture with polyacrylonitrile, crosslinking agent, zinc stearate, zinc dimethacrylate after mixing for composite
Processing, obtains high temperature resistant composite material of polymethyl methacrylate.
A kind of preparation method of high temperature resistant composite material of polymethyl methacrylate, first with coupling agent to nano-aluminum hydroxide
Carry out coupling processing, increase nano-aluminum hydroxide and modifying agent, the compatibility of polymethyl methacrylate；Again with modifying agent to receiving
Rice aluminium hydroxide is modified processing, and forms polar group on its surface；Finally make nano-aluminum hydroxide table using external electric field
Polar group polarization in face and polymethyl methacrylate chain, it is powered, by repelling each other between electric charge or attracting principle, make to receive
, also can be bonded with the polar group on polymethyl methacrylate chain while rice aluminium hydroxide is dispersed, so that nanometer
The high temperature resistant enhancing effect of aluminium hydroxide is farthest embodied, so as to get modified poly (methyl methacrylate) high temperature resistant
Property significantly improves；The preparation method is simple and reliable, be suitable for high temperature resistant composite material of polymethyl methacrylate it is extensive,
Industrialized production.
A kind of preparation method of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, it is preferred that step 1 into
Ultrasonic wave can be used to aid in during row coupling processing；Shaken by the high speed of ultrasonic wave, make nano-aluminum hydroxide dispersiveness more
It is good, and there is facilitation to coupling processing.
A kind of preparation method of above-mentioned high temperature resistant composite material of polymethyl methacrylate, wherein, the electricity described in step 3
Field energy produces polarization to group, makes group powered, so as to promote the scattered and bonded effect of nano-aluminum hydroxide, improves
The heat-resisting quantity of modified poly (methyl methacrylate).
Preferably, the electric field strength is 1.5-2.5kv/m；Electric field strength is too small, and polarization effect is weak, to nanometer hydrogen-oxygen
The dispersion effect for changing aluminium is poor；Electric field strength is excessive, and polarization effect is too strong, and intermolecular force is too big, and strand produces orientation and moves
It is dynamic, arrangement and the bonded performance for having an impact, may be decreased composite material of polymethyl methacrylate to strand；Most preferably
, the electric field strength is 1.8-2.0kv/m.
Wherein, it is preferred that the electric field is the constant parallel electric field of direction of an electric field；The constant parallel electric field of direction of an electric field
Best to the polarization effect of polar group, group intermolecular forces are stablized, and the scattered and bonded promotion to nano-aluminum hydroxide is made
Use best results.
Compared with prior art, beneficial effects of the present invention：
1st, composite material of polymethyl methacrylate of the present invention targetedly screens the species of modifying agent, coupling agent and crosslinking agent,
Make the compatibility between nano-aluminum hydroxide and polymethyl methacrylate more preferable, the dispersiveness in polymethyl methacrylate
More preferably, nano-aluminum hydroxide is more preferable to the heat-resisting quantity humidification of polymethyl methacrylate.
2nd, composite material of polymethyl methacrylate of the present invention is by controlling polymethyl methacrylate and polyacrylonitrile
The degree of polymerization makes the modified composite material of polymethyl methacrylate reach optimum balance between heat-resisting quantity and processability
Relation, so as to get composite material of polymethyl methacrylate under conditions of with excellent heat-resisting quantity, it may have it is excellent
Processability.
3rd, the preparation method of composite material of polymethyl methacrylate of the present invention, using the polarization of external electric field, can promote
It is scattered and bonded in polymethyl methacrylate system into nano-aluminum hydroxide, the high temperature resistant enhancing effect of nano-aluminum hydroxide
Fruit is more preferable, the heat-resisting quantity higher of obtained composite material of polymethyl methacrylate.
4th, the preparation method of composite material of polymethyl methacrylate of the present invention is simple, reliable, is adapted to the poly- methyl of high temperature resistant
Extensive, the industrialized production of methyl acrylate composite material.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 3.5 parts of butyl titanate and 3.5 parts of two fourth of tin dilaurate
Ji Xi carries out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 45 parts of the degree of polymerization are 1500 after mixing
Extruded in the constant parallel electric field of the direction of an electric field that electric field strength is 2.0kv/m, obtain mixture；
（4）The polyacrylonitrile, 4 parts of aluminium isopropoxides, 8 parts of diformazan that the mixture that step 3 is obtained and 28 parts of the degree of polymerization are 480
Base zinc acrylate resin, 5 parts of zinc stearate are extruded after mixing, obtain high temperature resistant polymethyl methacrylate composite wood
Material.
Embodiment 2
（1）5 parts of nano-aluminum hydroxide is handled with 0.3 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 2.5 parts of butyl titanate and 2.5 parts of two fourth of tin dilaurate
Ji Xi carries out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 50 parts of the degree of polymerization are 1200 after mixing
Extruded in the electric field for being 2.5kv/m in electric field strength, obtain mixture；
（4）The polyacrylonitrile, 2 parts of aluminium isopropoxides, 5 parts of diformazan that the mixture that step 3 is obtained and 20 parts of the degree of polymerization are 550
Base zinc acrylate resin, 3 parts of zinc stearate are extruded after mixing, obtain high temperature resistant polymethyl methacrylate composite wood
Material.
Embodiment 3
（1）15 parts of nano-aluminum hydroxide is handled with 0.8 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 5 parts of butyl titanate and 4 parts of dibutyl tin laurate
Carry out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 40 parts of the degree of polymerization are 1600 after mixing
Extruded in the constant parallel electric field of the direction of an electric field that electric field strength is 1.5kv/m, obtain mixture；
（4）The mixture that step 3 is obtained and 35 parts of the degree of polymerization are 400 polyacrylonitrile, 5 parts of aluminium isopropoxides, the two of 10 parts
Zinc methacrylate, 8 parts of zinc stearate are extruded after mixing, obtain high temperature resistant polymethyl methacrylate composite wood
Material.
Comparative example 1
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment and 7 parts of dispersant, the poly- methyl that 45 parts of the degree of polymerization is 1500
Methyl acrylate is extruded in the constant parallel electric field of the direction of an electric field that electric field strength is 1.2kv/m after mixing, is obtained
To mixture；
（3）The polyacrylonitrile, 4 parts of aluminium isopropoxides, 8 parts of diformazan that the mixture that step 2 is obtained and 28 parts of the degree of polymerization are 480
Base zinc acrylate resin, 5 parts of zinc stearate are extruded after mixing, obtain composite material of polymethyl methacrylate.
Comparative example 2
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 3.5 parts of butyl titanate and 3.5 parts of two fourth of tin dilaurate
Ji Xi carries out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 45 parts of the degree of polymerization are 1500,28 parts poly-
It is right be 480 polyacrylonitrile, 4 parts of aluminium isopropoxides, 8 parts of zinc dimethacrylate, 5 parts of zinc stearate be uniformly mixed it is laggard
Row extrusion, obtains composite material of polymethyl methacrylate.
Comparative example 3
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 3.5 parts of polystyrene and 3.5 parts of di lauric dibutyl
Tin carries out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 45 parts of the degree of polymerization are 1500 after mixing
Extruded in the constant parallel electric field of the direction of an electric field that electric field strength is 2.0kv/m, obtain mixture；
（4）The polyacrylonitrile, 4 parts of aluminium isopropoxides, 8 parts of diformazan that the mixture that step 3 is obtained and 28 parts of the degree of polymerization are 480
Base zinc acrylate resin, 5 parts of zinc stearate are extruded after mixing, obtain composite material of polymethyl methacrylate.
Comparative example 4
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 3.5 parts of butyl titanate and 3.5 parts of two fourth of tin dilaurate
Ji Xi carries out cladding processing；
（3）By polyacrylonitrile that the nano-aluminum hydroxide after cladding and 28 parts of the degree of polymerization are 480,4 parts of aluminium isopropoxides, 8 parts
Zinc dimethacrylate, 5 parts of zinc stearate, the polymethyl methacrylate that 45 parts of the degree of polymerization is 1500 exist after mixing
Electric field strength is to be extruded in the constant parallel electric field of the direction of an electric field of 2.0kv/m, and it is compound to obtain polymethyl methacrylate
Material.
Comparative example 5
（1）10 parts of nano-aluminum hydroxide is handled with 0.6 part of three isopropyl ester of aluminic acid；
（2）By the nano-aluminum hydroxide Jing Guo coupling agent treatment 3.5 parts of butyl titanate and 3.5 parts of two fourth of tin dilaurate
Ji Xi carries out cladding processing；
（3）By polymethyl methacrylate that the nano-aluminum hydroxide after cladding and 45 parts of the degree of polymerization are 1000 after mixing
Extruded in the constant parallel electric field of the direction of an electric field that electric field strength is 2.0kv/m, obtain mixture；
（4）The mixture that step 3 is obtained and 28 parts of the degree of polymerization are 380 polyacrylonitrile, 4 parts of zinc dimethacrylate, 5
The zinc stearate, 8 parts of aluminium isopropoxides of part are extruded after mixing, obtain composite material of polymethyl methacrylate.
By the composite material of polymethyl methacrylate in above-described embodiment 1-3 and comparative example 1-5, performance detection is carried out,
It is as follows to record data：
| Performance | Heat distortion temperature（℃） | Processability |
| Embodiment 1 | 135 | ++++ |
| Embodiment 2 | 134 | ++++ |
| Embodiment 3 | 135 | ++++ |
| Comparative example 1 | 120 | ++++ |
| Comparative example 2 | 123 | ++++ |
| Comparative example 3 | 127 | ++++ |
| Comparative example 4 | 129 | ++++ |
| Comparative example 5 | 134 | ++ |
| Polymethyl methacrylate | 106 | +++ |
Note："+" is more, illustrates that performance is better.
Above-mentioned analysis of experimental data is understood, the high temperature resistant polymethylacrylic acid of the present invention being prepared in embodiment 1-3
Methyl esters composite material, nano-aluminum hydroxide are uniformly dispersed, good with the compatibility of polymethyl methacrylate, poly-methyl methacrylate
Ester composite material heat-resisting quantity is good, and processability is good；And in comparative example 1, modifying agent is not used nano-aluminum hydroxide is modified
Processing, although adding dispersant, nano-aluminum hydroxide dispersion effect is poor, the poor compatibility with polymethyl methacrylate,
The heat-resisting quantity of composite material of polymethyl methacrylate significantly reduces；Not processing for composite in the electric field, receives in comparative example 2
Rice aluminium hydroxide dispersion effect is poor, and the heat-resisting quantity of composite material of polymethyl methacrylate significantly reduces；It is modified in comparative example 3
Agent is not the application defined, and nano-aluminum hydroxide dispersion effect is poor, the high temperature resistant of composite material of polymethyl methacrylate
Property significantly reduces；Cross-linking reaction equally carries out in the electric field in comparative example 4, and electric field has a negative impact cross-linking reaction so that
The heat-resisting quantity of the composite material of polymethyl methacrylate arrived reduces；The polymethyl methacrylate that is used in comparative example 5 and
The polyacrylonitrile degree of polymerization is too small, although heat-resisting quantity increased after compound, its processability significantly reduces, and is unfavorable for poly- methyl
The application of methyl acrylate composite material.
Claims (10)
1. a kind of high temperature resistant composite material of polymethyl methacrylate, it is characterised in that prepared including following parts by weight raw material
Obtain：40-50 parts of polymethyl methacrylate, 5-15 parts of nano-aluminum hydroxide, 5-10 parts of modifying agent, 20-35 parts
Polyacrylonitrile, 0.3-0.8 parts of coupling agent, 2-5 parts of crosslinking agent, 5-10 parts of zinc dimethacrylate, 3-8 parts of stearic acid
Zinc；The mixture that the modifying agent forms for butyl titanate with dibutyl tin laurate；The coupling agent is different for aluminic acid three
Propyl ester coupling agent, the crosslinking agent are aluminium isopropoxide；The degree of polymerization of the polyacrylonitrile is 400-550；The polymethyl
The sour methyl esters degree of polymerization is 1200-1800.
2. composite material according to claim 1, it is characterised in that butyl titanate and tin dilaurate in the modifying agent
The ratio between amount of material of dibutyl tin is 1 ︰ 1.
3. composite material according to claim 1, it is characterised in that the degree of polymerization of the polyacrylonitrile is 450-500.
4. composite material according to claim 3, it is characterised in that the degree of polymerization of the polyacrylonitrile is 480.
5. composite material according to claim 1, it is characterised in that the polymethyl methacrylate degree of polymerization is
1400-1600。
6. composite material according to claim 5, it is characterised in that the polymethyl methacrylate degree of polymerization is
1500。
7. a kind of preparation method of the composite material as described in claim 1-6, it is characterised in that comprise the following steps：
（1）Nano-aluminum hydroxide is handled with coupling agent；
（2）Nano-aluminum hydroxide Jing Guo coupling agent treatment is subjected to cladding processing with modifying agent；
（3）The place for composite in the electric field after mixing by the nano-aluminum hydroxide after cladding and polymethyl methacrylate
Reason, obtains mixture；（4）By mixture and polyacrylonitrile, crosslinking agent, zinc stearate, zinc dimethacrylate after mixing
In processing for composite, high temperature resistant composite material of polymethyl methacrylate is obtained.
8. preparation method according to claim 7, it is characterised in that step（3）Middle electric field strength is 1.5-2.5kv/m.
9. preparation method according to claim 8, it is characterised in that step（3）Middle electric field strength is 1.8-2.0kv/m.
10. preparation method according to claim 7, it is characterised in that step（3）Middle electric field is put down for direction of an electric field is constant
Row electric field.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270597.1A CN107955308A (en) | 2017-12-05 | 2017-12-05 | A kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711270597.1A CN107955308A (en) | 2017-12-05 | 2017-12-05 | A kind of high temperature resistant composite material of polymethyl methacrylate and preparation method thereof |
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| CN107955308A true CN107955308A (en) | 2018-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233169A (en) * | 2018-09-10 | 2019-01-18 | 天长市瑞慈有机玻璃有限公司 | A kind of high temperature resistant lucite tube |
-
2017
- 2017-12-05 CN CN201711270597.1A patent/CN107955308A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233169A (en) * | 2018-09-10 | 2019-01-18 | 天长市瑞慈有机玻璃有限公司 | A kind of high temperature resistant lucite tube |
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