CN102585223A - Long carbon chain semi-aromatic polyamide-imide and synthesis method thereof - Google Patents
Long carbon chain semi-aromatic polyamide-imide and synthesis method thereof Download PDFInfo
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- CN102585223A CN102585223A CN2011104502855A CN201110450285A CN102585223A CN 102585223 A CN102585223 A CN 102585223A CN 2011104502855 A CN2011104502855 A CN 2011104502855A CN 201110450285 A CN201110450285 A CN 201110450285A CN 102585223 A CN102585223 A CN 102585223A
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- imide
- diamine
- pai11
- polyamide composition
- semiaromatic polyamide
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- 239000004962 Polyamide-imide Substances 0.000 title abstract 7
- 229920002312 polyamide-imide Polymers 0.000 title abstract 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 4
- 238000001308 synthesis method Methods 0.000 title abstract 3
- -1 diamine compound Chemical class 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 13
- GUOSQNAUYHMCRU-UHFFFAOYSA-N 11-Aminoundecanoic acid Chemical compound NCCCCCCCCCCC(O)=O GUOSQNAUYHMCRU-UHFFFAOYSA-N 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 150000003949 imides Chemical class 0.000 claims description 23
- 229920006012 semi-aromatic polyamide Polymers 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- SYECJBOWSGTPLU-UHFFFAOYSA-N hexane-1,1-diamine Chemical compound CCCCCC(N)N SYECJBOWSGTPLU-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 239000000178 monomer Substances 0.000 claims description 8
- 239000000376 reactant Substances 0.000 claims description 8
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 8
- 239000001488 sodium phosphate Substances 0.000 claims description 8
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 150000004985 diamines Chemical class 0.000 claims description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 4
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 claims description 4
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 claims description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 claims description 4
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 claims description 4
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 claims description 4
- LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 claims description 2
- JCUZDQXWVYNXHD-UHFFFAOYSA-N 2,2,4-trimethylhexane-1,6-diamine Chemical compound NCCC(C)CC(C)(C)CN JCUZDQXWVYNXHD-UHFFFAOYSA-N 0.000 claims description 2
- YXOKJIRTNWHPFS-UHFFFAOYSA-N 2,5-dimethylhexane-1,6-diamine Chemical compound NCC(C)CCC(C)CN YXOKJIRTNWHPFS-UHFFFAOYSA-N 0.000 claims description 2
- BUGIFNPYQVKODR-UHFFFAOYSA-N 2-methylhexane-1,6-diamine Chemical compound NCC(C)CCCCN BUGIFNPYQVKODR-UHFFFAOYSA-N 0.000 claims description 2
- JZUHIOJYCPIVLQ-UHFFFAOYSA-N 2-methylpentane-1,5-diamine Chemical compound NCC(C)CCCN JZUHIOJYCPIVLQ-UHFFFAOYSA-N 0.000 claims description 2
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 claims description 2
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- PWSKHLMYTZNYKO-UHFFFAOYSA-N heptane-1,7-diamine Chemical compound NCCCCCCCN PWSKHLMYTZNYKO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- CQMIJLIXKMKFQW-UHFFFAOYSA-N 4-phenylbenzene-1,2,3,5-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C(O)=O)=C1C1=CC=CC=C1 CQMIJLIXKMKFQW-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 239000004953 Aliphatic polyamide Substances 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- 229920003231 aliphatic polyamide Polymers 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000004984 aromatic diamines Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The invention relates to long carbon chain semi-aromatic polyamide-imide (PAI11) and a synthesis method thereof. The long carbon chain semi-aromatic polyamide-imide (PAI11) is prepared by melting and polymerizing an organic compound with three carboxy groups, a diamine compound and an 11-aminoundecanoic acid. The long carbon chain semi-aromatic polyamide-imide (PAI11) has high heat resistance, high-temperature rigidity, chemical resistance, dimensional stability and low water absorption, can be widely applied to the fields of mechanics, electronics/electrics, automobiles, aeronautics and astronautics, and the like, and has a molecular structure shown in the attaching drawing. The synthesis method is simple and convenient, and has the characteristic of environmental friendliness; a polymerization process is simple and easy to operate; industrial production can be realized; the raw materials are readily available; and the use of an organic solvent is avoided in the polymerization reaction, so that harms to a human body and pollution to the environment are avoided.
Description
Technical field
The present invention relates to material science, particularly a kind of long carbochain semiaromatic polyamide composition imide (PAI11) and compound method thereof.
Background technology
Polyamidoimide (PAI) is a kind of engineering plastics; Be to have the important industry and the polymkeric substance of commercial value; Have assorted imide group of heat-stable virtue and flexible amide group in the traditional P AI molecule simultaneously; Have good thermotolerance, dielectricity, mechanical property and chemicalstability, be applied in a lot of fields as a kind of engineering materials.Contain two kinds of modular constructions of acid amides and imide on the molecular backbone chain of polyamidoimide simultaneously; Having the resistance toheat of polyimide and the workability ability of polymeric amide, is a kind of high performance engineering plastics with good heat resistance, high temperature rigid, chemical-resistant, dimensional stability and low water absorption.
PAI is usually used in the precision component and the wear-resisting demanding occasion of high-tech equipment; Like unlubricated bearing, compressor components; The product of working under high temperature, high vacuum, severe radiation, the condition of ultralow temperature; Aircraft components, engine part can also be made the precision component of electronics and semi-conductor industry etc.
The synthetic trimellitic acid 1,2-anhydride (TMA) that uses of traditional P AI is as starting raw material, below the polymeric method adopts several kinds:
chloride method;
isocyanic ester method;
direct polymerization method;
carbodiimide evaporation, wherein the reaction of trimellitic acid 1,2-anhydride acyl chlorides and aromatic diamine is the classical technology of synthetic PAI.
In recent years, along with the development of PAI synthetic technology, high performance PAI product constantly occurs, and its range of application is constantly enlarged.The aromatic poly imide is the polymkeric substance with excellent mechanical property, and it comprises highly stable aromatic ring structure, has excellent thermotolerance and lower temperature resistance; Under hot conditions, have excellent mechanical property and dimensional stability; In addition, it has good wear-resisting and frictional behaviour, outstanding anti-ultraviolet property and resistant to high energy radiation performance, and inherent is anti-flammable, but its shortcoming is to be difficult to process through the fused approach.At present, both at home and abroad patent documentation has been reported the preparation method of many polyamidoimides, like Chinese patent 201010279309.0,200980128256.8,200910096279.7 etc.
With respect to the aromatic poly imide, the moulding more easily of semiaromatic polyamide composition imide, it not only has the mobile excellent characteristics of aliphatic polyamide, and has than better mechanics of aliphatic polyamide and thermal property.The compound method of this long carbochain semiaromatic polyamide composition imide (PAI11) is not seen relevant report in the document at home and abroad as yet.
Summary of the invention
One of the object of the invention provides a kind of have good heat resistance, high temperature rigid, chemical-resistant, dimensional stability and low water absorption, can be used for the long carbochain semiaromatic polyamide composition imide (PAI11) in fields such as machinery, electrical/electronic, automobile and aerospace.
Two of the object of the invention provides the compound method of a kind of long carbochain semiaromatic polyamide composition imide (PAI11), to fill up the blank of domestic prior art.
In order to realize first purpose of the present invention, the invention provides a kind of long carbochain semiaromatic polyamide composition imide (PAI11), its molecular structure is following:
Wherein, R is aliphatic series, cyclic aliphatic, aromatic series or the aryl aliphatic hydrocarbyl of 2 to 18 carbon atoms, and Y is the tetravalence aromatic hydrocarbyl, like the quaternary groups of benzene, naphthalene, anthracene, biphenyl etc., x=1-200, y=1-200, z=1-200, wherein x=y.
The number-average molecular weight of this long carbochain semiaromatic polyamide composition imide (PAI11) is between 2000-100000.Preferred number average molecular weight is 7000-30000.
The melt temperature of this long carbochain semiaromatic polyamide composition imide (PAI11) is between 270-310 ℃.
In order to realize second purpose of the present invention, the invention provides the compound method of a kind of long carbochain semiaromatic polyamide composition imide (PAI11), this compound method comprises the steps:
Topping up when discharging as required.Logical rare gas element purpose is to reduce the probability that side reaction takes place before the reaction; The purpose that vacuumizes in the reaction process is to remove the water that produces in the polycondensation, helps the polyreaction forward and carries out.
In the above-mentioned steps, the aromatic substance of four carboxylic groups choosing can for: 1,2,4,5-Pyromellitic Acid, 3,3 ', 4,4 '-bibenzene tetracarboxylic, 1,2,4,5-pyromellitic acid anhydride, 3,3 ', 4,4 '-bibenzene tetracarboxylic dianhydride etc.;
The diamine monomer of choosing can be linear aliphatic diamines such as quadrol, tn, tetramethylenediamine, pentamethylene diamine, hexanediamine, heptamethylene diamine, octamethylenediamine, nonamethylene diamine, decamethylene diamine, 11 carbon diamines, 12 carbon diamines, 13 carbon diamines, 14 carbon diamines etc.; Side chain aliphatic diamine such as 2-methyl hexamethylene-diamine, 2-methyl pentamethylene diamine, 2,5-dimethyl-hexamethylene-diamine, 2; 2-dimethyl-five methylene diamine, 5-methylnonane diamines, 2,2,4-trimethylhexamethylenediamine, 2; 2,7,7-tetramethyl-eight methylene diamine etc.
The compound method preferred version of a kind of long carbochain semiaromatic polyamide composition imide of the present invention (PAI11) is:
In the above-mentioned steps, the aromatic substance of four carboxylic groups choosing is preferably: 1,2,4, and 5-Pyromellitic Acid, 1,2,4,5-pyromellitic acid anhydride.The aliphatic diamine monomer is preferably: hexanediamine, nonamethylene diamine, decamethylene diamine, 11 carbon diamines, 12 carbon diamines.
Beneficial effect
A kind of long carbochain semiaromatic polyamide composition imide provided by the invention (PAI11) has good heat resistance, high temperature rigid, chemical-resistant, dimensional stability and low water absorption, can be applicable to fields such as machinery, electrical/electronic, automobile and aerospace.
The compound method of a kind of long carbochain semiaromatic polyamide composition imide provided by the present invention (PAI11) has the following advantages:
1. preparation technology is easy, and polymerization process is simple to operation, can realize suitability for industrialized production;
2. the raw material that uses is easy to get, and is renewable resources, has the characteristic of environmental protection.
3. synthesis mechanism of the present invention is a melt polymerization, does not use any organic solvent, therefore human body is not had harm, environmentally safe.
Embodiment
Embodiment 1
With the hexanediamine after the vacuum-drying, 11-aminoundecanoic acid, 1,2,4; The 5-Pyromellitic Acid is that 1.276kg, 2.01kg, 2.50kg (mol ratio is 1.1:1:1) add respectively in the stirring-type polymerization reactor by mass ratio; Add the 5.786g inferior sodium phosphate then, vacuumize logical nitrogen 2min behind the 10min, so circulate 6 times; Reactant is present in the environment under the nitrogen protection, and system pressure is 0.2MPa in the controlling reactor.Be heated to 160 ℃ with reactor drum is airtight, stirring velocity is 200r/min, and system pressure is 1.1MPa in the controlling reactor; Heat-insulation pressure keeping stirred 1 hour, slowly exitted to normal pressure, again reactor drum was heated to 300 ℃; Stirring velocity is 50r/min; Continue to vacuumize 8 hours behind the constant temperature, keeping the interior vacuum tightness of reactor drum is 80Pa, and reaction finishes.According to the discharging of practical situation inflated with nitrogen, prepare PAI11 through tank cooling, pelletizing.
The PAI11 reaction formula is following:
Embodiment 2
With the hexanediamine after the vacuum-drying, 11-aminoundecanoic acid, 1,2,4; The 5-Pyromellitic Acid is that 1.276kg, 4.02kg, 2.50kg (mol ratio is 1.1:2:1) add respectively in the stirring-type polymerization reactor by mass ratio; Add the 7.796g inferior sodium phosphate then, vacuumize logical nitrogen 2min behind the 10min, so circulate 6 times; Reactant is present in the environment under the nitrogen protection, and system pressure is 0.2MPa in the controlling reactor.Be heated to 160 ℃ with reactor drum is airtight, stirring velocity is 200r/min, and system pressure is 1.1MPa in the controlling reactor; Heat-insulation pressure keeping stirred 1 hour, slowly exitted to normal pressure, again reactor drum was heated to 290 ℃; Stirring velocity is 50r/min; Continue to vacuumize 8 hours behind the constant temperature, keeping the interior vacuum tightness of reactor drum is 80Pa, and reaction finishes.According to the discharging of practical situation inflated with nitrogen, prepare PAI11 through tank cooling, pelletizing.
The PAI11 reaction formula is following:
Embodiment 3
With the hexanediamine after the vacuum-drying, 11-aminoundecanoic acid, 1,2,4; The 5-pyromellitic acid anhydride is that 1.276kg, 2.01kg, 2.18kg (mol ratio is 1.1:1:1) add respectively in the stirring-type polymerization reactor by mass ratio; Add the 5.466g inferior sodium phosphate, vacuumize logical nitrogen 2min behind the 10min, so circulate 6 times; Reactant is present in the environment under the nitrogen protection, and system pressure is 0.2MPa in the controlling reactor.Be heated to 170 ℃ with reactor drum is airtight, after stirring velocity was 200r/min, system pressure was 1.1MPa in the controlling reactor; Stirred heat-insulation pressure keeping 1 hour, and slowly exitted, again reactor drum is heated to 300 ℃ to normal pressure; Stirring velocity is 50r/min; Continue to vacuumize 8 hours behind the constant temperature, keeping the interior vacuum tightness of reactor drum is 80Pa, and reaction finishes.According to the discharging of practical situation inflated with nitrogen, prepare PAI11 through tank cooling, pelletizing.
The PAI11 reaction formula is following:
Embodiment 4
With the hexanediamine after the vacuum-drying, 11-aminoundecanoic acid, 1,2,4; The 5-pyromellitic acid anhydride is that 1.276kg, 4.02kg, 2.18kg (mol ratio is 1.1:2:1) add respectively in the stirring-type polymerization reactor by mass ratio; Add the 7.476g inferior sodium phosphate, vacuumize logical nitrogen 2min behind the 10min, so circulate 6 times; Reactant is present in the environment under the nitrogen protection, and system pressure is 0.2MPa in the controlling reactor.Be heated to 170 ℃ with reactor drum is airtight, after stirring velocity was 200r/min, system pressure was 1.1MPa in the controlling reactor; Heat-insulation pressure keeping stirred 1 hour, slowly exitted to normal pressure, again reactor drum was heated to 290 ℃; Stirring velocity is 50r/min; Continue to vacuumize 8 hours behind the constant temperature, keeping the interior vacuum tightness of reactor drum is 80Pa, and reaction finishes.According to the discharging of practical situation inflated with nitrogen, prepare PAI11 through tank cooling, pelletizing.
The PAI11 reaction formula is following:
The made sample of above-mentioned each embodiment is carried out following performance test:
Number-average molecular weight:, measure the number-average molecular weight of polymkeric substance then through the triplicate of differential refraction method, UV absorption and viscosimetric analysis through the gel permeation chromatography in methylene dichloride and trifluoroacetic anhydride mixed solvent.
Melt temperature: press the ASTM-D3418 standard testing;
Tensile property: press the ASTM-D638 standard testing, rate of extension 50mm/min;
Impact property: press the ASTM-D256 standard testing, batten thickness is 3.2mm;
Bending property: press the ASTM-D790 standard testing, crooked speed 10mm/min;
Water-intake rate: press the ASTM-D570 standard testing;
Shrinking percentage: press the ISO294-4 standard testing;
Heat-drawn wire: press the ASTM-D648 standard testing, batten thickness is 6.4mm.
The physicals of PAI11 is listed in the table below:
Above embodiment is the detailed description that the present invention is done.Notice that these embodiments are not in order to limit the present invention, for those of ordinary skill in the art, the improvement of under the situation that does not deviate from spirit of the present invention, having done and additional should be regarded as within the protection domain that claim of the present invention limits.
Claims (9)
1. one kind long carbochain semiaromatic polyamide composition imide (PAI11) is characterized in that its molecular structure is following:
Wherein, R is aliphatic series, cyclic aliphatic, aromatic series or the aryl aliphatic hydrocarbyl of 2 to 18 carbon atoms, and Y ' is the tetravalence aromatic hydrocarbyl, like the quaternary groups of benzene, naphthalene, anthracene, biphenyl etc., x=1-200, y=1-200, z=1-200, wherein x=y.
2. a kind of long carbochain semiaromatic polyamide composition imide according to claim 1 (PAI11) is characterized in that its number-average molecular weight between 2000-100000, and preferred number average molecular weight is 7000-30000.
3. a kind of long carbochain semiaromatic polyamide composition imide according to claim 1 (PAI11) is characterized in that its melt temperature is between 270-310 ℃.
4. the compound method of one kind long carbochain semiaromatic polyamide composition imide (PAI11) is characterized in that it may further comprise the steps:
presses certain mol proportion with the aromatic substance of dried diamine monomer, 11-aminoundecanoic acid, three carboxylic groups and adds in the stirring-type polymerization reactor; Add a spot of inferior sodium phosphate; Lead to rare gas element 1-30min after vacuumizing 1-30min; So circulation is 1-20 time, and reactant is present in the environment under the protection of inert gas;
5. require the compound method of described a kind of long carbochain semiaromatic polyamide composition imide (PAI11) according to right 4, the aromatic substance of four carboxylic groups that it is characterized in that choosing can for: 1,2,4; 5-Pyromellitic Acid, 3,3 ', 4,4 '-bibenzene tetracarboxylic, 1; 2,4,5-pyromellitic acid anhydride, 3; 3 ', 4,4 '-bibenzene tetracarboxylic dianhydride.
6. require the compound method of described a kind of long carbochain semiaromatic polyamide composition imide (PAI11) according to right 4, it is characterized in that the diamine monomer of choosing is: linear aliphatic diamines such as quadrol, tn, tetramethylenediamine, pentamethylene diamine, hexanediamine, heptamethylene diamine, octamethylenediamine, nonamethylene diamine, decamethylene diamine, 11 carbon diamines, 12 carbon diamines, 13 carbon diamines, 14 carbon diamines etc.; Side chain aliphatic diamine such as 2-methyl hexamethylene-diamine, 2-methyl pentamethylene diamine, 2,5-dimethyl-hexamethylene-diamine, 2; 2-dimethyl-five methylene diamine, 5-methylnonane diamines, 2,2,4-trimethylhexamethylenediamine, 2; 2,7,7-tetramethyl-eight methylene diamine.
7. the compound method of one kind long carbochain semiaromatic polyamide composition imide (PAI11) is characterized in that the synthetic preferred version may further comprise the steps:
presses certain mol proportion with the aromatic substance of the diamine monomer after the vacuum-drying, 11-aminoundecanoic acid, four carboxylic groups and adds in the stirring-type polymerization reactor; Add a small amount of inferior sodium phosphate; Lead to nitrogen 2-15min after vacuumizing 2-15min; So circulation is 4-8 time; Reactant is present in the environment under the nitrogen protection, and system pressure is 0.1-0.3MPa in the controlling reactor;
8. according to right 7 described a kind of long carbochain semiaromatic polyamide composition imide (PAI11) compound methods, it is characterized in that the aromatic substance of described four carboxylic groups is preferably: 1,2,4,5-Pyromellitic Acid, 1,2,4,5-pyromellitic acid anhydride.
9. according to right 7 described a kind of long carbochain semiaromatic polyamide composition imide (PAI11) compound methods, it is characterized in that described aliphatic diamine monomer is preferably: hexanediamine, nonamethylene diamine, decamethylene diamine, 11 carbon diamines, 12 carbon diamines.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI507576B (en) * | 2012-12-26 | 2015-11-11 | Taiwan Textile Res Inst | Modified long chain polyamide |
| CN105237767A (en) * | 2015-07-25 | 2016-01-13 | 常州大学 | Liquid-crystal polyamide imide and preparation method therefor |
| US11028227B2 (en) | 2017-09-08 | 2021-06-08 | Samsung Electronics Co., Ltd. | Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article |
| CN115678276A (en) * | 2022-12-14 | 2023-02-03 | 宁波东鑫高强度螺帽有限公司 | Fastener for composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI507576B (en) * | 2012-12-26 | 2015-11-11 | Taiwan Textile Res Inst | Modified long chain polyamide |
| CN105237767A (en) * | 2015-07-25 | 2016-01-13 | 常州大学 | Liquid-crystal polyamide imide and preparation method therefor |
| US11028227B2 (en) | 2017-09-08 | 2021-06-08 | Samsung Electronics Co., Ltd. | Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article |
| US11898012B2 (en) | 2017-09-08 | 2024-02-13 | Samsung Electronics Co., Ltd. | Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article |
| CN115678276A (en) * | 2022-12-14 | 2023-02-03 | 宁波东鑫高强度螺帽有限公司 | Fastener for composite material |
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|---|---|
| CN102585223B (en) | 2013-08-28 |
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