CN114716667B - Light-transmitting nylon 66 and synthetic method and application thereof - Google Patents
Light-transmitting nylon 66 and synthetic method and application thereof Download PDFInfo
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- CN114716667B CN114716667B CN202110012843.3A CN202110012843A CN114716667B CN 114716667 B CN114716667 B CN 114716667B CN 202110012843 A CN202110012843 A CN 202110012843A CN 114716667 B CN114716667 B CN 114716667B
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- 229920002302 Nylon 6,6 Polymers 0.000 title claims abstract description 54
- 238000010189 synthetic method Methods 0.000 title claims abstract description 11
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920003192 poly(bis maleimide) Polymers 0.000 claims abstract description 17
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims abstract description 13
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000001308 synthesis method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 8
- 239000004677 Nylon Substances 0.000 description 7
- 229920001778 nylon Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polyamides (AREA)
Abstract
The invention discloses a light-transmitting nylon 66, a synthetic method and application thereof, wherein the synthetic method comprises the following steps: after hexamethylenediamine and bismaleimide are added into the aqueous solution of nylon 66 salt, the mixture is stirred and reacted for 1 to 2 hours under the conditions of the temperature of 220 to 225 ℃ and the pressure of 1.5 to 2 MPa; and after normal pressure is restored, adding an antioxidant 1098 and an antioxidant 168 into the system, adjusting the pressure to-0.1-0.2 MPa and the temperature to 265-275 ℃, stirring for 30-60 min, discharging and granulating to obtain the light-transmitting nylon 66. The prepared light-transmitting nylon 66 has excellent tensile strength and transparency, and can be applied to the field with high transparency requirement.
Description
Technical Field
The invention belongs to the technical field of modification of high polymer materials, and particularly relates to a light-transmitting nylon 66 and a synthetic method and application thereof.
Background
Nylon 66 is a thermoplastic resin, white translucent solid with a density of 1.14 and a melting point of 253 ℃. Is insoluble in common solvents, only soluble in m-cresol and the like, has high mechanical strength and hardness and high rigidity, and can be used as engineering plastics.
It has excellent mechanical properties such as tensile strength 6174-8232N/cm 2 (kilogram force/cm) 2 ) Flexural strength 8575-9604N/cm 2 (875-980 kg/cm) 2 ) Compressive strength 4958.8-8957.2N/cm 2 (506-914 kg/cm) 2 ) Impact strength of 20.58-42.14N cm/cm 2 (2.1-4.3 kg force cm/cm) 2 ) Rockwell hardness 108-118, heat distortion temperature (1814.11 Pa, 18.5 kg force/cm 2 ) 66-86 ℃, and are therefore commonly used as mechanical accessories, such as gears, lubricated bearings; the material can be used for replacing nonferrous metal materials to be used as machine shells, automobile engine blades and the like or used for manufacturing synthetic fibers.
Due to the rapid development of the automobile industry and the electronic industry, the translucency of nylon 66 limits the further development of the nylon, so that the nylon cannot be applied to the fields with high requirements on transparency, such as metering devices, exhaust pipe connectors, experimental instruments, biological detection, photosensitive instrument LED lenses and the like.
The traditional method has a scheme of adding bismaleimide into a resin system taking a nylon finished product as a matrix and combining with other formulas to obtain transparent nylon, but the transparent nylon obtained by the method has limited transparency and cannot meet the application of the product with high transparency requirement.
Disclosure of Invention
In view of the foregoing, the present invention is needed to provide a light-transmitting nylon 66 and a synthetic method thereof, in which hexamethylenediamine and bismaleimide are added in the polycondensation reaction of nylon 66 salt, and then the mixture is mixed with an antioxidant after the reaction, so that the obtained light-transmitting nylon 66 has excellent light transmittance, still maintains high tensile strength, and can meet the high transparency requirement to solve the above problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a synthetic method of light-transmitting nylon 66, which comprises the following steps:
(1) After hexamethylenediamine and bismaleimide are added into the aqueous solution of nylon 66 salt, the mixture is stirred and reacted for 1 to 2 hours under the conditions of the temperature of 220 to 225 ℃ and the pressure of 1.5 to 2 MPa;
(2) And after normal pressure is restored, adding an antioxidant 1098 and an antioxidant 168 into the system, adjusting the pressure to-0.1-0.2 MPa and the temperature to 265-275 ℃, stirring for 30-60 min, discharging and granulating to obtain the light-transmitting nylon 66.
Further, in the synthesis method, the addition amounts of the components are respectively as follows in parts by weight: 100 parts of nylon 66 salt, 0.2-0.8 part of bismaleimide, 1-1.5 parts of hexamethylenediamine, 0.2-0.6 part of antioxidant 1098 and 0.2-0.6 part of antioxidant 168.
Further, the mass fraction of the aqueous solution of the nylon 66 salt is 55-65%.
Further, the average particle diameter of the bismaleimide is 10-50 mu m.
Further, the melting point of the nylon 66 salt is 193-197 ℃.
Further, in the step (1) and the step (2), the stirring speed is 100-2000r/min.
The invention also discloses a light-transmitting nylon 66 which is prepared by adopting the synthesis method according to any one of the above.
The invention also discloses application of the light-transmitting nylon 66 in preparing transparent products, wherein the transparent products comprise lenses, lenses (digital cameras, mobile phone cameras, vehicle-mounted cameras and the like) or lenses (experimental instruments, biological detection, photosensitive instrument LEDs and the like).
Compared with the prior art, the invention has the following beneficial effects:
the synthetic method of the invention can obviously improve the tensile strength and the transparency of nylon 66.
The obtained light-transmitting nylon 66 can be applied to the fields of lenses, experimental instruments, biological detection, photosensitive instruments, LED lenses and the like.
Detailed Description
In order that the invention may be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated below. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Specific information on the raw materials or components used in the following examples or comparative examples are as follows:
nylon 66 salt: melting point 193-197 ℃ and purchased from Jiangsu Hua Yang nylon limited company;
aqueous solution of nylon 66 salt: mass fraction 60%;
bismaleimide: the average grain diameter is 10-50 mu m, and Qingdao Baichen new material technology Co., ltd;
hexamethylenediamine: analytically pure, guangzhou threo chemical company.
It should be noted that the above materials or components are only examples for making the technical solution of the present invention more clear, and do not represent that the present invention can only use the above materials or components, and the scope of protection of the claims is specifically defined. In the following examples and comparative examples, unless otherwise specified, "parts" and the like refer to parts by weight.
Example 1
100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt is added into a reaction kettle, 1 part of hexamethylenediamine and 0.2 part of bismaleimide are added, the temperature of the reaction kettle is set at 220 ℃, the pressure is 1.5MPa, and the mixture is kept for stirring for 1 hour. After the exhaust valve is opened to exhaust to normal pressure, 0.2 part of antioxidant 1098 and 0.2 part of antioxidant 168 are added, the temperature of the vacuumizing pressure gauge is 270 ℃ below zero and is set to be-0.1 MPa, the materials are stirred for 30 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 100 rpm.
Example 2
100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt is added into a reaction kettle, 1.2 parts of hexamethylenediamine and 0.5 part of bismaleimide are added, the temperature of the reaction kettle is set at 225 ℃, the pressure is 1.5MPa, and the mixture is kept for stirring for 1 hour. After the exhaust valve is opened to exhaust to normal pressure, 0.5 part of antioxidant 1098 and 0.5 part of antioxidant 168 are added, the temperature of the vacuumizing pressure gauge is set to minus 0.2MPa, the temperature is set to 265 ℃, the stirring is carried out for 60 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 500 rpm.
Example 3
Adding 100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt into a reaction kettle, adding 1.5 parts of hexamethylenediamine and 0.7 part of bismaleimide, setting the temperature of the reaction kettle to 225 ℃, keeping the pressure of 1.8MPa, and stirring for 1.5 hours. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098 and 0.6 part of antioxidant 168 are added, the vacuumizing pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, the stirring is carried out for 40 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 1000 rpm.
Example 4
Adding 100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt into a reaction kettle, adding 1.5 parts of hexamethylenediamine and 0.8 part of bismaleimide, setting the temperature of the reaction kettle at 225 ℃, keeping the pressure at 2MPa, and stirring for 2 hours. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098 and 0.6 part of antioxidant 168 are added, the vacuumizing pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, the stirring is carried out for 60 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 2000 rpm.
Comparative example 1
Adding 100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt into a reaction kettle, adding 1.5 parts of hexamethylenediamine, setting the temperature of the reaction kettle to 225 ℃, setting the pressure to 1.8MPa, and maintaining the pressure and stirring for 1.5 hours. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098 and 0.6 part of antioxidant 168 are added, the vacuumizing pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, the stirring is carried out for 40 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 1000 rpm.
Comparative example 2
100 parts of aqueous solution with the mass fraction of 60% prepared by nylon 66 salt is added into a reaction kettle, 1.5 parts of hexamethylenediamine and 0.7 part of polyimide are added, the temperature of the reaction kettle is set at 225 ℃, the pressure is 1.8MPa, and the mixture is stirred for 1.5 hours under pressure maintaining. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098 and 0.6 part of antioxidant 168 are added, the vacuumizing pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, the stirring is carried out for 40 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 1000 rpm.
Comparative example 3
100 parts of aqueous solution with the mass fraction of 60% prepared by nylon 66 salt is added into a reaction kettle, 1.5 parts of hexamethylenediamine and 0.7 part of nano silicon dioxide (with the particle size of 20 nm) are added, the temperature of the reaction kettle is set at 225 ℃, the pressure is 1.8MPa, and the mixture is stirred for 1.5 hours under the pressure maintaining condition. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098 and 0.6 part of antioxidant 168 are added, the vacuumizing pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, the stirring is carried out for 40 minutes, and the light-transmitting nylon 66 is prepared after discharging and granulating. The stirring speed was 1000 rpm.
Comparative example 4
Adding 100 parts of aqueous solution with the mass fraction of 60% prepared from nylon 66 salt into a reaction kettle, adding 1.5 parts of hexamethylenediamine, setting the temperature of the reaction kettle to 225 ℃, setting the pressure to 1.8MPa, and maintaining the pressure and stirring for 1.5 hours. After the exhaust valve is opened to exhaust to normal pressure, 0.6 part of antioxidant 1098, 0.6 part of antioxidant 168 and 0.7 part of bismaleimide are added, the vacuum pumping pressure gauge is-0.2 MPa, the temperature is set to 270 ℃, stirring is carried out for 40 minutes, discharging and granulating are carried out, and the light-transmitting nylon 66 is prepared. The stirring speed was 1000 rpm.
Test case
The light-transmitting nylon 66 prepared in examples 1 to 4 and comparative examples 1 to 4 were subjected to respective related property tests, and the results are shown in table 1.
Table 1 results of light transmitting nylon 66 performance test
Note that: the tensile strength was measured in Table 1 using a tensile bar model of (170.0.+ -. 5.0) mm (13.0.+ -. 0.5) mm (3.2.+ -. 0.2) mm and a tensile rate of 5mm/min.
As can be seen from the test results in Table 1, the tensile strength and the transparency of nylon 66 can be obviously improved by adopting the synthetic method in the invention, and the improvement of the transparency can be obviously seen by comparing the embodiment 3 with the comparative examples 1-4, and the addition of bismaleimide in the preparation process of nylon 66 salt has obvious advantages, especially the improvement of the transparency, compared with the direct blending of bismaleimide with a nylon finished product, so that the nylon 66 prepared by the synthetic method can be applied to the fields of high transparent products such as lenses, lenses and the like, and the application range of the nylon 66 is widened, thereby having important significance.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The synthesis method of the light-transmitting nylon 66 is characterized by comprising the following steps of:
(1) After hexamethylenediamine and bismaleimide are added into the aqueous solution of nylon 66 salt, the mixture is stirred and reacted for 1 to 2 hours under the conditions of the temperature of 220 to 225 ℃ and the pressure of 1.5 to 2 MPa;
(2) And after normal pressure is restored, adding an antioxidant 1098 and an antioxidant 168 into the system, adjusting the pressure to-0.1-0.2 MPa and the temperature to 265-275 ℃, stirring for 30-60 min, discharging and granulating to obtain the light-transmitting nylon 66.
2. The synthesis method according to claim 1, wherein in the synthesis method, the addition amounts of the components in parts by weight are respectively: 100 parts of nylon 66 salt, 0.2-0.8 part of bismaleimide, 1-1.5 parts of hexamethylenediamine, 0.2-0.6 part of antioxidant 1098 and 0.2-0.6 part of antioxidant 168.
3. The synthesis method according to claim 1, wherein the mass fraction of the aqueous solution of nylon 66 salt is 55-65%.
4. The method according to claim 1, wherein the bismaleimide has an average particle size of 10 to 50. Mu.m.
5. The method of synthesis according to claim 1, wherein the nylon 66 salt has a melting point of 193 ℃ to 197 ℃.
6. The method according to claim 1, wherein the stirring speed in step (1) and step (2) is 100 to 2000r/min.
7. A light-transmitting nylon 66, characterized in that it is produced by the synthetic method according to any one of claims 1 to 6.
8. Use of light transmissive nylon 66 according to claim 7 for the preparation of a transparent product comprising a lens, a lens or a lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110012843.3A CN114716667B (en) | 2021-01-06 | 2021-01-06 | Light-transmitting nylon 66 and synthetic method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110012843.3A CN114716667B (en) | 2021-01-06 | 2021-01-06 | Light-transmitting nylon 66 and synthetic method and application thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516756A (en) * | 2011-12-15 | 2012-06-27 | 吴江明峰聚氨酯制品有限公司 | Preparation method of transparent nylon |
| CN103254614A (en) * | 2012-02-16 | 2013-08-21 | 合肥杰事杰新材料股份有限公司 | Bismaleimide modified thermoplastics and preparation method thereof |
| CN107857877A (en) * | 2017-11-02 | 2018-03-30 | 华峰集团有限公司 | High fluidity polyhexamethylene adipamide modified base material resin and preparation method thereof |
-
2021
- 2021-01-06 CN CN202110012843.3A patent/CN114716667B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516756A (en) * | 2011-12-15 | 2012-06-27 | 吴江明峰聚氨酯制品有限公司 | Preparation method of transparent nylon |
| CN103254614A (en) * | 2012-02-16 | 2013-08-21 | 合肥杰事杰新材料股份有限公司 | Bismaleimide modified thermoplastics and preparation method thereof |
| CN107857877A (en) * | 2017-11-02 | 2018-03-30 | 华峰集团有限公司 | High fluidity polyhexamethylene adipamide modified base material resin and preparation method thereof |
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