CN104558593A - High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof - Google Patents
High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof Download PDFInfo
- Publication number
- CN104558593A CN104558593A CN201310478751.XA CN201310478751A CN104558593A CN 104558593 A CN104558593 A CN 104558593A CN 201310478751 A CN201310478751 A CN 201310478751A CN 104558593 A CN104558593 A CN 104558593A
- Authority
- CN
- China
- Prior art keywords
- reactor
- copolymer nylon
- resistant copolymer
- high temperature
- temperature resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Polyamides (AREA)
Abstract
The invention belongs to the field of high polymer synthesis and relates to a high-temperature-resistant copolymer nylon 6T/6I material and a preparation method thereof. The nylon 6T/6I material is prepared from the following components in mole number: 10.00-14.00 mol of terephthalic acid, 6.00-10.00 mol of isophthalic acid, 19.20-19.80 mol of hexamethylene diamine, 0.035-0.05 mol of a nucleating agent, 0.015-0.03 mol of a catalyst and 250-300 mol of deionized water. The high-temperature-resistant copolymer nylon 6T/6I material provided by the invention has the characteristics of a very high melting point over 300 DEG C, excellent heat resistance, excellent mechanical performance, relatively low production cost and simple synthesis process, is suitable for industrial production, green, safe and environment-friendly, and adopts deionized water in the synthesis process as a solvent.
Description
Technical field
The invention belongs to macromolecular material nylon synthesis field, relate to a kind of high temperature resistant copolymer nylon material and preparation method thereof.
Technical background
Nylon (polymeric amide) is the outer most widely used a kind of thermoplastic engineering plastic of Present Domestic, it has tough wear-resisting, shock-resistant, antifatigue, corrosion-resistant, resistance to wet goods excellent specific property, be widely used in the industries such as auto-parts, electronic apparatus, machinery, over 60 years, steady-state growth in the cut-throat competition of engineering plastics, its demand occupy the first place of five large-engineering plastics so far always.
Along with industrial development demand, there is a kind of trend adopting high temperature polymeric materials to replace metal and thermosetting material in most motor of new design invention and the case of meeting heat generating components, although market has occurred replace metal to do some parts with plastics, general engineering plastics have metallicity, but some product at high temperature can occur softening thus lose due performance, finally serious problems and impact are produced on production running, high temperature resistant nylon arises at the historic moment under this background, the market requirement that current high-temperature-resnylont nylont material has wide space huge.
Through finding the literature search of prior art, at present, the semi-aromatic nylon kind of suitability for industrialized production mainly contains poly-hexamethylene terephthalamide (PA6T) and poly-paraphenylene terephthalamide's nonamethylene diamine (PA9T).But the fusing point of PA6T exceeds its heat decomposition temperature, it is shaping to carry out melt-processed; And the production cost of PA9T is too high, these limit their widespread use all to a certain extent.
Summary of the invention
Technical problem to be solved by this invention overcomes the defect that high temperature resistant nylon of the prior art synthesis cost is high and following process is difficult, provides a kind of simple high temperature resistant copolymer nylon 6T/6I material and preparation method thereof.
In order to solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of high temperature resistant copolymer nylon 6T/6I material, be made up of the component comprising following mole number:
Described nucleator is barium sulfate, talcum powder, calcium carbonate, titanium dioxide or silicon-dioxide, preferably barium sulfate.
Described catalyzer is inferior sodium phosphate, phosphorous acid magnesium, Arizona bacilli, zinc phosphite, potassiumphosphate, trimagnesium phosphate, calcium phosphate, zinc phosphate, ortho phosphorous acid potassium, inferior sodium phosphate, ortho phosphorous acid magnesium, Lime Hypophosphate or ortho phosphorous acid zinc, preferred inferior sodium phosphate.
The fusing point of described high temperature resistant copolymer nylon 6T/6I material is not less than 300 DEG C.
A preparation method for above-mentioned high temperature resistant copolymer nylon 6T/6I material, comprises the following steps:
(1) each component raw material of following mole number is taken according to said ratio: terephthalic acid 10.00-14.00mol, m-phthalic acid 6.00-10.00mol, hexanediamine 19.20-19.80mol, nucleator 0.035-0.05mol, catalyzer 0.015-0.03mol, mix, then joined and be equipped with in the high pressure polymerisation reactor of whipping appts, take the deionized water of 200-300mol content in reactor, open and stir, be reserved in air in reactor three times with inert gas replacement, and reserved 0.04-0.08MPa rare gas element is as protection gas;
(2) by circulating heat conduction oil, heat temperature raising is carried out to reactor, be incubated in still when temperature of reaction kettle is 90-130 DEG C, soaking time is 1.0-2.0 hour, insulation terminates, continue raised temperature, now there is a large amount of water vapour to produce in reactor and make pressure increase, after heating up about 15-25 minute, when pressure is 2.25-2.60MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 0.5-1.5 hour, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 3-8min, heat temperature raising is continued in stress-relief process, but control temperature controls between 335-345 DEG C, discharging cooling and dicing, obtains high temperature resistant copolymer nylon 6T/6I material.
Rare gas element described in step (1) is the one in nitrogen, carbonic acid gas, argon gas or helium, preferred nitrogen.
Stir speed (S.S.) described in step (1) is 80-120r/min.
Temperature rise rate described in step (2) is 8-12 DEG C/min.
The present invention compared with the existing technology, has the following advantages:
(1) the high temperature resistant nylon fusing point synthesized is all more than 300 DEG C, and high thermal resistance is good, and mobility is better, excellent in mechanical performance.
(2) reactions steps is simple, and the equipment cost of reacting used is cheap, and simultaneous reactions condition is comparatively gentle without the need to High Temperature High Pressure, less demanding therefore to equipment, and energy consumption is also less, is applicable to industrialization promotion and produces.
(3) solvent used is deionized water, does not have toxicity, wide material sources, environmental protection, and for alleviating environmental stress, protection of the environment aspect is extremely important.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.These embodiments only for illustration of the present invention, and are not intended to limit the scope of the invention.The improvement made according to the present invention of technician and adjustment, still belong to protection scope of the present invention in actual applications.
Below in an example, following detection method is adopted:
Fusing point test adopts differential scanning calorimeter (DSC thermal analyzer) to carry out test analysis and obtains.
Tensile property presses GB/T1040.1-2006 test, and rate of extension 5mm/min, tests under fixed temperature and humidity experiment condition.
Simply supported beam notched Izod impact strength presses GB/T1043 test, tests under fixed temperature and humidity experiment condition.
Flexural strength GB/T9341-2008 tests, and presses down speed 1.25mm/min, tests under fixed temperature and humidity experiment condition.
Rockwell hardness is pressed ASTM D785-08 and is tested.
Melt flow rate (MFR) (MFR), by GB/T3682-2000, at 315 DEG C, is tested under 2.16kg condition.
Embodiment 1
(1) terephthalic acid 1661.30g(10.00mol is weighed in proportion); m-phthalic acid 1661.30g(10.00mol); hexanediamine 2300.96g(19.80mol); inferior sodium phosphate 1.29g(0.015mol); mix and be poured in 25L polymerization reaction kettle; inject 4.50kg deionized water (250mol) and nucleator barium sulfate 8.16865g(0.035mol) in reactor; open whipping appts; stirring velocity is 80r/min; be reserved in air in reactor at least three times with nitrogen replacement, and reserved 0.04MPa nitrogen is as protection gas.
(2) with 8 DEG C/min temperature rise rate, heat temperature raising is carried out to reactor by circulating heat conduction oil, be incubated in still when temperature of reaction kettle is 90 DEG C, soaking time 2h, insulation terminates to heat up to reactor, now pressure rises thereupon, after approximately passing through 15min, pressure is 2.25MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 1.5 hours, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 3min, wherein in stress-relief process, continue to heat up and control outlet temperature in still and be no more than 335 DEG C, last discharging cooling and dicing, obtain a kind of high temperature resistant copolymer nylon 6T/6I material.
Embodiment 2
(1) terephthalic acid 1827.43g(11.00mol is weighed in proportion); m-phthalic acid 1495.17g(9.00mol); hexanediamine 2289.34g(19.70mol); trimagnesium phosphate 6.57g(0.025mol); mix and be poured in 25L polymerization reaction kettle; inject 5.40kg deionized water (300mol) and nucleator talcum powder 11.74g(0.045mol) in reactor; open whipping appts; stirring velocity is 100r/min; be reserved in air in reactor at least three times with nitrogen replacement, and reserved 0.05MPa nitrogen is as protection gas.
(2) with 10 DEG C/min temperature rise rate, heat temperature raising is carried out to reactor by circulating heat conduction oil, be incubated in still when temperature of reaction kettle is 120 DEG C, soaking time 1.5h, insulation terminates to heat up to reactor, now pressure rises thereupon, after approximately passing through 22min, pressure is 2.5MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 1 hour, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 5min, wherein in stress-relief process, continue to heat up and control outlet temperature in still and be no more than 337 DEG C, last discharging cooling and dicing, obtain a kind of high temperature resistant copolymer nylon 6T/6I material.
Embodiment 3
(1) terephthalic acid 2159.69g(13.00mol is weighed in proportion); m-phthalic acid 1162.91g(7.00mol); hexanediamine 2266.01g(19.50mol); calcium phosphate 9.31g(0.03mol); mix and be poured in 25L polymerization reaction kettle; inject 5.76kg deionized water (320mol) and nucleator titanium dioxide 3.04g(0.038mol) in reactor; open whipping appts; stirring velocity is 110r/min; be reserved in air in reactor at least three times with nitrogen replacement, and reserved 0.07MPa nitrogen is as protection gas.
(2) with 11 DEG C/min temperature rise rate, heat temperature raising is carried out to reactor by circulating heat conduction oil, be incubated in still when temperature of reaction kettle is 125 DEG C, soaking time 1.5h, insulation terminates to heat up to reactor, now pressure rises thereupon, after approximately passing through 18min, pressure is 2.35MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 1.5 hours, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 7min, wherein in stress-relief process, continue to heat up and control outlet temperature in still and be no more than 338 DEG C, last discharging cooling and dicing, obtain a kind of high temperature resistant copolymer nylon 6T/6I material.
Embodiment 4
(1) terephthalic acid 1993.56g(12.00mol is weighed in proportion); m-phthalic acid 1329.04g(8.00mol); hexanediamine 2291.66g(19.72mol); Lime Hypophosphate 4.25(0.025mol); mix and be poured in 25L polymerization reaction kettle; inject 5.76kg deionized water (320mol) and nucleator calcium carbonate 4.70g(0.047mol) in reactor; open whipping appts; stirring velocity is 90r/min; be reserved in air in reactor at least three times with nitrogen replacement, and reserved 0.05MPa nitrogen is as protection gas.
(2) with 9 DEG C/min temperature rise rate, heat temperature raising is carried out to reactor by circulating heat conduction oil, be incubated in still when temperature of reaction kettle is 110 DEG C, soaking time 1.5h, insulation terminates to heat up to reactor, now pressure rises thereupon, after approximately passing through 20min, pressure is 2.4MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 1.5 hours, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 6min, wherein in stress-relief process, continue to heat up and control outlet temperature in still and be no more than 341 DEG C, last discharging cooling and dicing, obtain a kind of high temperature resistant copolymer nylon 6T/6I material.
Embodiment 5
(1) terephthalic acid 2325.82g(14.00mol is weighed in proportion); m-phthalic acid 996.78g(6.00mol); hexanediamine 2231.23g(19.20mol); ortho phosphorous acid potassium 3.06g(0.030mol); mix and be poured in 25L polymerization reaction kettle; inject 6.30kg deionized water (350mol) and nucleator silicon-dioxide 3.00g(0.05mol) in reactor; open whipping appts; stirring velocity is 120r/min; be reserved in air in reactor at least three times with nitrogen replacement, and reserved 0.08MPa nitrogen is as protection gas.
(2) with 12 DEG C/min temperature rise rate, heat temperature raising is carried out to reactor by circulating heat conduction oil, be incubated in still when temperature of reaction kettle is 130 DEG C, soaking time 1h, insulation terminates to heat up to reactor, now pressure rises thereupon, after approximately passing through 25min, pressure is 2.6MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 0.5 hour, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 8min, wherein in stress-relief process, continue to heat up and control outlet temperature in still and be no more than 345 DEG C, last discharging cooling and dicing, obtain a kind of high temperature resistant copolymer nylon 6T/6I material.
The performance test results of embodiment 1-5 is as table 1.
Table 1
As can be seen from the data of table 1, the copolymer nylon fusing point of synthesis, all more than 305 DEG C, has better high thermal resistance, be suitable in common hot environment, the larger explanation good fluidity of melting index, post-production is easily shaping, comprehensive mechanical property is excellent, can meet general operational requirement.
By the nylon material of method synthesis preparation of the present invention, there is very high fusing point, and all more than 300 DEG C, resistance to elevated temperatures is excellent, and have excellent mechanical property concurrently, production cost is lower, synthesis technique is simple, be applicable to suitability for industrialized production, adopt deionized water as solvent in building-up process, green safety environmental protection.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (8)
1. a high temperature resistant copolymer nylon 6T/6I material, is characterized in that: be made up of the component comprising following mole number:
2. high temperature resistant copolymer nylon 6T/6I material according to claim 1, is characterized in that: described nucleator is barium sulfate, talcum powder, calcium carbonate, titanium dioxide or silicon-dioxide.
3. high temperature resistant copolymer nylon 6T/6I material according to claim 1, is characterized in that: described catalyzer is inferior sodium phosphate, phosphorous acid magnesium, Arizona bacilli, zinc phosphite, potassiumphosphate, trimagnesium phosphate, calcium phosphate, zinc phosphate, ortho phosphorous acid potassium, inferior sodium phosphate, ortho phosphorous acid magnesium, Lime Hypophosphate or ortho phosphorous acid zinc.
4. high temperature resistant copolymer nylon 6T/6I material according to claim 1, is characterized in that: the fusing point of described high temperature resistant copolymer nylon 6T/6I material is not less than 300 DEG C.
5. the preparation method of arbitrary described high temperature resistant copolymer nylon 6T/6I material in claim 1-4, is characterized in that: comprise the following steps:
(1) each component raw material of following mole number is taken according to proportioning according to claim 1: terephthalic acid 10.00-14.00mol, m-phthalic acid 6.00-10.00mol, hexanediamine 19.20-19.80mol, nucleator 0.035-0.05mol, catalyzer 0.015-0.03mol, mix, then joined and be equipped with in the high pressure polymerisation reactor of whipping appts, take the deionized water of 200-300mol content in reactor, open and stir, air in reactor is reserved in three times with inert gas replacement, and reserved 0.04-0.08MPa rare gas element is as protection gas,
(2) by circulating heat conduction oil, heat temperature raising is carried out to reactor, be incubated in still when temperature of reaction kettle is 90-130 DEG C, soaking time is 1.0-2.0 hour, insulation terminates, continue raised temperature, now there is a large amount of water vapour to produce in reactor and make pressure increase, after heating up about 15-25 minute, when pressure is 2.25-2.60MPa, the water vapour produced by delivery systme reaction realizes carrying out pressurize to reactor, constant voltage time is 0.5-1.5 hour, afterwards release is carried out to reactor, by the time when the pressure in reactor unloads to normal pressure, continue to stir 3-8min, heat temperature raising is continued in stress-relief process, but control temperature controls between 335-345 DEG C, discharging cooling and dicing, obtains high temperature resistant copolymer nylon 6T/6I material.
6. preparation method according to claim 5, is characterized in that: the rare gas element described in step (1) is nitrogen, carbonic acid gas, argon gas or helium.
7. preparation method according to claim 5, is characterized in that: the stir speed (S.S.) described in step (1) is 80-120r/min.
8. preparation method according to claim 5, is characterized in that: the temperature rise rate described in step (2) is 8-12 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478751.XA CN104558593A (en) | 2013-10-14 | 2013-10-14 | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478751.XA CN104558593A (en) | 2013-10-14 | 2013-10-14 | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104558593A true CN104558593A (en) | 2015-04-29 |
Family
ID=53075727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310478751.XA Pending CN104558593A (en) | 2013-10-14 | 2013-10-14 | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104558593A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866959A (en) * | 2015-12-11 | 2017-06-20 | 上海杰事杰新材料(集团)股份有限公司 | Translucent high-temperature-resnylont nylont material and its preparation method and application |
| CN106928451A (en) * | 2015-12-31 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | High temperature resistant PA6T copolymers and preparation method thereof |
| CN109575273A (en) * | 2018-11-21 | 2019-04-05 | 重庆晟淦新材料科技有限公司 | A kind of high temperature resistant semiaromatic copolymer nylon and preparation method thereof |
| CN109825073A (en) * | 2019-01-24 | 2019-05-31 | 广东壹豪新材料科技股份有限公司 | A kind of preparation method of high temperature resistance and high strength material |
| CN110240698A (en) * | 2019-06-28 | 2019-09-17 | 山东东辰瑞森新材料科技有限公司 | A kind of preparation method of high-temperature nylon PA6T copolymer |
| CN111225941A (en) * | 2017-10-20 | 2020-06-02 | 帝斯曼知识产权资产管理有限公司 | Polyamide copolymers, process for their preparation and moldings produced therefrom |
| CN111533902A (en) * | 2020-04-22 | 2020-08-14 | 建湖县兴隆尼龙有限公司 | Transparent nylon T21 material and preparation method thereof |
| CN112646173A (en) * | 2020-12-04 | 2021-04-13 | 中仑塑业（福建）有限公司 | Semi-aromatic polyamide resin and preparation method thereof |
| US11001671B2 (en) | 2017-11-15 | 2021-05-11 | Industrial Technology Research Institute | Diamine-diacid salt, copolymer and method for manufacturing the same |
| CN113045749A (en) * | 2021-04-15 | 2021-06-29 | 河南华盈新材料有限公司 | Synthesis method of long carbon chain polyamide material |
| CN114213844A (en) * | 2021-12-10 | 2022-03-22 | 金发科技股份有限公司 | Flame-retardant polyamide composite material, and preparation method and application thereof |
| CN115160563A (en) * | 2022-07-25 | 2022-10-11 | 四川轻化工大学 | Fluorine-containing high-temperature-resistant copolymerized nylon 10 and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492534A (en) * | 2008-12-26 | 2009-07-29 | 金发科技股份有限公司 | Process for preparing semi-aromatic polyamides |
| CN102140247A (en) * | 2010-01-28 | 2011-08-03 | Ems专利股份公司 | Partially aromatic moulding masses and their applications |
| CN103265695A (en) * | 2013-05-20 | 2013-08-28 | 金发科技股份有限公司 | Polyamide resin and polyamide composition comprising same |
-
2013
- 2013-10-14 CN CN201310478751.XA patent/CN104558593A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492534A (en) * | 2008-12-26 | 2009-07-29 | 金发科技股份有限公司 | Process for preparing semi-aromatic polyamides |
| CN102140247A (en) * | 2010-01-28 | 2011-08-03 | Ems专利股份公司 | Partially aromatic moulding masses and their applications |
| CN103265695A (en) * | 2013-05-20 | 2013-08-28 | 金发科技股份有限公司 | Polyamide resin and polyamide composition comprising same |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866959A (en) * | 2015-12-11 | 2017-06-20 | 上海杰事杰新材料(集团)股份有限公司 | Translucent high-temperature-resnylont nylont material and its preparation method and application |
| CN106928451A (en) * | 2015-12-31 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | High temperature resistant PA6T copolymers and preparation method thereof |
| CN111225941A (en) * | 2017-10-20 | 2020-06-02 | 帝斯曼知识产权资产管理有限公司 | Polyamide copolymers, process for their preparation and moldings produced therefrom |
| US11001671B2 (en) | 2017-11-15 | 2021-05-11 | Industrial Technology Research Institute | Diamine-diacid salt, copolymer and method for manufacturing the same |
| CN109575273A (en) * | 2018-11-21 | 2019-04-05 | 重庆晟淦新材料科技有限公司 | A kind of high temperature resistant semiaromatic copolymer nylon and preparation method thereof |
| CN109825073A (en) * | 2019-01-24 | 2019-05-31 | 广东壹豪新材料科技股份有限公司 | A kind of preparation method of high temperature resistance and high strength material |
| CN110240698A (en) * | 2019-06-28 | 2019-09-17 | 山东东辰瑞森新材料科技有限公司 | A kind of preparation method of high-temperature nylon PA6T copolymer |
| CN111533902A (en) * | 2020-04-22 | 2020-08-14 | 建湖县兴隆尼龙有限公司 | Transparent nylon T21 material and preparation method thereof |
| CN112646173A (en) * | 2020-12-04 | 2021-04-13 | 中仑塑业（福建）有限公司 | Semi-aromatic polyamide resin and preparation method thereof |
| CN113045749A (en) * | 2021-04-15 | 2021-06-29 | 河南华盈新材料有限公司 | Synthesis method of long carbon chain polyamide material |
| CN114213844A (en) * | 2021-12-10 | 2022-03-22 | 金发科技股份有限公司 | Flame-retardant polyamide composite material, and preparation method and application thereof |
| CN114213844B (en) * | 2021-12-10 | 2023-11-03 | 金发科技股份有限公司 | Flame-retardant polyamide composite material, and preparation method and application thereof |
| CN115160563A (en) * | 2022-07-25 | 2022-10-11 | 四川轻化工大学 | Fluorine-containing high-temperature-resistant copolymerized nylon 10 and preparation method thereof |
| CN115160563B (en) * | 2022-07-25 | 2023-12-05 | 濮阳市盛通聚源新材料有限公司 | Fluorine-containing high-temperature-resistant copolymerized nylon and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104558593A (en) | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof | |
| CN104250377A (en) | Low-water absorption biological nylon material PA610T and preparation method thereof | |
| CN104163918A (en) | High-temperature-resistant nylon PA66T material and preparation method thereof | |
| CN104774454B (en) | A kind of high temperature resistant nylon PA66T materials and preparation method thereof | |
| CN108383996A (en) | A kind of highly crystalline rate polyamide and its preparation method and application | |
| CN109575273A (en) | A kind of high temperature resistant semiaromatic copolymer nylon and preparation method thereof | |
| CN110156984A (en) | A kind of semiaromatic branched polyamide block copolymer and preparation method thereof | |
| CN104072756A (en) | Low-melting-point biological nylon material and preparation method thereof | |
| US20120095183A1 (en) | Methods of preparing wholly aromatic liquid crystalline polyester resin and wholly aromatic liquid crystalline polyester resin compound with constant melt viscosity | |
| CN108424641A (en) | A kind of semiaromatic polyamide composition and preparation method thereof of random copolymerization toughening | |
| CN104098772B (en) | A kind of preparation method of polyamidoimide | |
| CN106928451A (en) | High temperature resistant PA6T copolymers and preparation method thereof | |
| CN106916298A (en) | A kind of environment friendly biological base semi-aromatic PA10T/11 copolymeric materials and preparation method thereof | |
| CN106928450A (en) | A kind of high temperature resistant bio-based PA10T copolymer materials and preparation method thereof | |
| CN111635522B (en) | Copolyamide capable of preparing ferroelectric nylon film by simple thermal processing and preparation method thereof | |
| CN105330846B (en) | Bio-based heat resistant polyamide and its synthetic method | |
| CN105348518B (en) | High temperature resistant nylon and its synthetic method | |
| CN105295031B (en) | Long carbon chain heat resistant polyamide and its synthetic method | |
| CN105295033B (en) | Long carbon chain semiaromatic polyamide composition and its synthetic method | |
| CN103965467A (en) | Tough nylon and preparation method thereof | |
| CN105348520B (en) | Semiaromatic polyamide composition and its synthetic method | |
| CN112480397A (en) | High-performance polyamide elastomer material and preparation method thereof | |
| CN104693437A (en) | Melting point-controllable semi-aromatic nylon 610T material and preparation method thereof | |
| CN105295032B (en) | Long carbon chain semi-aromatic nylon and its synthetic method | |
| CN106700040A (en) | Method for preparing polylactic acid through twin screw reactive extrusion method and ring open polymerization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |