CN115895242A - Micro-foaming wear-resistant PA6 alloy material and preparation method and application thereof - Google Patents
Micro-foaming wear-resistant PA6 alloy material and preparation method and application thereof Download PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 58
- 238000005187 foaming Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 46
- IPRJXAGUEGOFGG-UHFFFAOYSA-N N-butylbenzenesulfonamide Chemical compound CCCCNS(=O)(=O)C1=CC=CC=C1 IPRJXAGUEGOFGG-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000004677 Nylon Substances 0.000 claims abstract description 28
- 229920001778 nylon Polymers 0.000 claims abstract description 28
- 239000004088 foaming agent Substances 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000000314 lubricant Substances 0.000 claims abstract description 14
- 239000012745 toughening agent Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000011161 development Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007605 air drying Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 4
- 238000011031 large-scale manufacturing process Methods 0.000 claims description 4
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- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
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Abstract
The invention discloses a micro-foaming wear-resistant PA6 alloy material and a preparation method and application thereof, wherein the micro-foaming wear-resistant PA6 alloy material comprises the following raw materials in parts by mass: 23.4 to 56.1 portions of PA6 resin, 8 to 12 portions of casting nylon, 15 to 25 portions of POK resin, 3 to 5 portions of toughener, 0.2 to 0.6 portion of antioxidant, 0.6 to 1.4 portions of lubricant, 0.3 to 0.7 portion of organic black seed, 0.8 to 1.2 portions of common black seed, 1 to 5 portions of foaming agent, 0.5 to 1 portion of N-Butyl Benzene Sulfonamide (BBSA) and 15 to 25 portions of alkali-free glass fiber. Compared with the common reinforced nylon material, the PA6/POK alloy material prepared by the invention has obvious alloy characteristics, lower water absorption rate, higher dimensional stability and higher wear resistance, has lower specific gravity compared with the common PA6/POK alloy, and is more in line with the development trend of light weight of automobiles.
Description
Technical Field
The invention belongs to the technical field of preparation of micro-foaming wear-resistant alloy materials, and particularly relates to a micro-foaming wear-resistant PA6 alloy material and a preparation method and application thereof.
Background
Nylon (PA) is the first of 5 general engineering plastics, occupies a great position in the light industrial field, is usually applied to the fields of electronics, electrics, automobiles, machinery and the like, and is closely connected with daily life. By means of enhancing modification and the like, the strength and the heat resistance are greatly improved and far exceed those of PP, PC and other materials, and the modified polypropylene composite material is widely applied to fields with higher requirements, such as the periphery of an automobile engine and internal and external decorative structural parts. With the rapid development of economy in China, the automobile industry also faces the peak period, the domestic automobile consumption market becomes the first global, but the requirements are also the water rising ship height, and the trend of light weight, electromotion and intellectualization can not be reversed. The lightweight nylon has the advantages of high strength, high modulus, high temperature resistance and the like, but has more general wear resistance, large water absorption, large difference between dry and wet performances and light specific gravity.
Polyketone (POK) is a new engineering plastic developed by dawn in korea in recent years, using carbon monoxide, ethylene and propylene as main raw materials, and having low water absorption, high abrasion resistance, high chemical resistance, high impact strength and high gas barrier properties. The wear resistance of the material is 14 times that of POM, the impact toughness of the material is 2.5 times that of PA6, and the oil resistance of the material is 2 times that of PA12, so that the material is almost the engineering material with the most balanced performance at present, has very wide application prospect, develops very quickly, and is being applied to the related fields of automobiles in large quantity. But the processing field is narrow, the cost is high, and the application is limited. The invention aims to provide a micro-foaming wear-resistant PA6 alloy material for automotive interior and exterior trims and a preparation method and application thereof. At present, some reports about PA/POK alloy exist, but because the effect of the common foaming means for PA is not obvious, the gas generated by the foaming agent is easy to overflow, and thus, the reports about the micro-foaming wear-resistant PA6/POK alloy material for the interior and exterior of the automobile are rare.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a micro-foaming wear-resistant PA6 alloy material, a preparation method and application thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a micro-foaming wear-resistant PA6 alloy material comprises the following raw materials in parts by mass: 23.4 to 56.1 portions of PA6 resin, 8 to 12 portions of casting nylon, 15 to 25 portions of POK resin, 3 to 5 portions of toughener, 0.2 to 0.6 portion of antioxidant, 0.6 to 1.4 portions of lubricant, 0.3 to 0.7 portion of organic black seed, 0.8 to 1.2 portions of common black seed, 1 to 5 portions of foaming agent, 0.5 to 1 portion of N-Butyl Benzene Sulfonamide (BBSA) and 15 to 25 portions of alkali-free glass fiber.
A preparation method of a micro-foaming wear-resistant PA6 alloy material comprises the following steps:
step one, baking PA6 resin and casting nylon at 110 ℃ for 3-4 hours, and controlling the moisture to be less than 2 per thousand as much as possible;
step two, uniformly mixing the dried PA6 resin, pouring nylon, POK resin, a toughening agent, an antioxidant, a lubricant, organic black seeds and common black seeds in a mixer in proportion at a speed of 120r/min, adding the mixture into a double-screw extruder, and introducing alkali-free glass fibers during melt extrusion; the melt extrusion temperature is 225-250 ℃, and the rotating speed of a screw is 450 r/min;
step three, granulation and post-treatment; cooling, air drying, granulating and strong magnetic treatment are carried out on the extruded materials to obtain finished product particles, and the finished product particles are labeled, dried and sealed for later use;
step four, respectively adding BBSA liquid into the particles according to a certain proportion, uniformly stirring at the speed of 120r/min, then adding CCR909 master batches with different proportions, uniformly stirring, and sealing for later use;
and step five, drying the particles obtained by the scheme at 110-120 ℃ for 4-5 hours, and performing injection molding to obtain national standard sample strips and friction sample strips for measuring mechanical properties and abrasion loss.
Preferably, in the above materials, the PA6 resin is BL3240 with a viscosity of 2.4 of ba ling petrochemical, and the casting nylon is MC901 of Dusen rubber and plastic company.
Preferably, among the above materials, POK is selected from Koaxas M630A, and the foaming agent is polymer CCR909 master batch of a new material bicarbonate made by Kunshanya.
Preferably, in the materials, the antioxidant is compounded according to the proportion of 1010/168=1/1, and the lubricant is compounded according to the proportion of HONEYWELL 540A/PETS = 1/2.
Preferably, the organic black seeds are selected from the cabot 2014, the common black seeds are selected from the Dongguan Shencai 2412, and the flexibilizer is selected from the Shenyang Tong KT-915.
Preferably, among the above materials, BBSA is suzhou jinloy chemical, and glass fiber is boulder 560A.
Compared with the common reinforced nylon material, the PA6/POK alloy material prepared by the application of the micro-foaming wear-resistant PA6 alloy material has obvious alloy characteristics, lower water absorption rate, higher dimensional stability and higher wear resistance; compared with the common PA6/POK alloy, the alloy has lower specific gravity and is more in line with the development trend of light weight of automobiles; the micro-foaming PA6/POK alloy material base material is easy to process, is the same as a common modified engineering material, and is convenient for large-scale production; the micro-foaming PA6/POK alloy material needs to be improved on the basis of a common formula, and the failure of a foaming agent is avoided.
Compared with the prior art, the invention provides a micro-foaming wear-resistant PA6 alloy material and a preparation method and application thereof, and the micro-foaming wear-resistant PA6 alloy material has the following beneficial effects:
1. compared with the common reinforced nylon material, the PA6/POK alloy material prepared by the invention has obvious alloy characteristics, lower water absorption rate, higher dimensional stability and higher wear resistance.
2. Compared with the common PA6/POK alloy, the invention has lower specific gravity and is more in line with the development trend of light weight of automobiles.
3. The micro-foaming PA6/POK alloy material base material is easy to process, is the same as a common modified engineering material, and is convenient for large-scale production.
4. The micro-foaming PA6/POK alloy material needs to be improved on the basis of a common formula, so that the failure of a foaming agent is avoided; meanwhile, a step of mixing a foaming agent is needed on the basis of common modification processing, and granulation cannot be directly carried out; through the improvement of two aspects, the microfoaming wear-resistant material with better effect is finally obtained, and the microfoaming wear-resistant material is also the core innovation point of the patent.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a micro-foaming wear-resistant PA6 alloy material comprises the following raw materials in parts by mass: 23.4 to 56.1 portions of PA6 resin, 8 to 12 portions of casting nylon, 15 to 25 portions of POK resin, 3 to 5 portions of toughener, 0.2 to 0.6 portion of antioxidant, 0.6 to 1.4 portions of lubricant, 0.3 to 0.7 portion of organic black seed, 0.8 to 1.2 portions of common black seed, 1 to 5 portions of foaming agent, 0.5 to 1 portion of N-Butyl Benzene Sulfonamide (BBSA) and 15 to 25 portions of alkali-free glass fiber.
A preparation method of a micro-foaming wear-resistant PA6 alloy material comprises the following steps:
step one, drying PA6 resin and casting nylon at 110 ℃ for 3-4 hours, and controlling the moisture to be less than 2 thousandth as much as possible;
step two, uniformly mixing the dried PA6 resin, pouring nylon, POK resin, a toughening agent, an antioxidant, a lubricant, organic black seeds and common black seeds in a mixer in proportion at a speed of 120r/min, adding the mixture into a double-screw extruder, and introducing alkali-free glass fibers during melt extrusion; the melt extrusion temperature is between 225 and 250 ℃, and the rotating speed of a screw is 450 r/min;
step three, granulation and post-treatment; cooling, air drying, granulating and strong magnetic treatment are carried out on the extruded materials to obtain finished product particles, and the finished product particles are labeled, dried and sealed for later use;
step four, respectively adding BBSA liquid into the particles according to a certain proportion, uniformly stirring at the speed of 120r/min, then adding CCR909 master batches with different proportions, uniformly stirring, and sealing for later use;
and step five, drying the particles obtained by the scheme for 4-5 hours at 110-120 ℃, and performing injection molding to obtain national standard sample strips and friction sample strips, and measuring the mechanical property and the abrasion loss.
In the present invention, preferably, among the above materials, PA6 resin is BL3240 with a viscosity of 2.4 in the ba ling petrochemical industry, and casting nylon is MC901 in the dousen rubber and plastic company.
In the present invention, preferably, among the above materials, POK is selected from Kodawn M630A, and the foaming agent is a mother particle of CCR909 polymer which is a new material of bicarbonate made by Kunshanya.
In the invention, preferably, in the materials, the antioxidant is compounded according to the proportion of 1010/168=1/1, and the lubricant is compounded according to the proportion of HONEYWELL 540A/PETS = 1/2.
In the invention, preferably, organic black seeds are selected from cabot 2014, common black seeds are selected from Dongguan Shencai 2412, and a toughening agent is selected from Shenyang Tong KT-915.
In the present invention, among the above materials, BBSA is suzhou jinzhou chemical industry, and glass fiber is jumbo 560A.
A micro-foaming wear-resistant PA6 alloy material comprises the following raw materials in parts by mass: 23.4 to 56.1 portions of PA6 resin, 8 to 12 portions of casting nylon, 15 to 25 portions of POK resin, 3 to 5 portions of toughener, 0.2 to 0.6 portion of antioxidant, 0.6 to 1.4 portions of lubricant, 0.3 to 0.7 portion of organic black seed, 0.8 to 1.2 portions of common black seed, 1 to 5 portions of foaming agent, 0.5 to 1 portion of N-Butyl Benzene Sulfonamide (BBSA) and 15 to 25 portions of alkali-free glass fiber.
A preparation method of a micro-foaming wear-resistant PA6 alloy material comprises the following steps:
step one, drying PA6 resin and casting nylon at 110 ℃ for 3-4 hours, and controlling the moisture to be less than 2 thousandth as much as possible;
step two, uniformly mixing the dried PA6 resin, pouring nylon, POK resin, a toughening agent, an antioxidant, a lubricant, organic black seeds and common black seeds in a mixer at a speed of 120r/min in proportion, adding the mixture into a double-screw extruder, and introducing alkali-free glass fibers while melt-extruding; the melt extrusion temperature is between 225 and 250 ℃, and the rotating speed of a screw is 450 r/min;
step three, granulation and post-treatment; cooling, air drying, granulating and strong magnetic treatment are carried out on the extruded materials to obtain finished product particles, and the finished product particles are labeled, dried and sealed for later use;
step four, adding BBSA liquid into the particles according to a certain proportion, uniformly stirring at the speed of 120r/min, then adding CCR909 master batches with different proportions, uniformly stirring, and sealing for later use;
and step five, drying the particles obtained by the scheme at 110-120 ℃ for 4-5 hours, and performing injection molding to obtain national standard sample strips and friction sample strips for measuring mechanical properties and abrasion loss.
A micro-foaming wear-resistant PA6 alloy material and a preparation method and application thereof are disclosed, wherein in the material, PA6 resin is BL3240 with the viscosity of 2.4 in the Baling petrochemical industry, casting nylon is MC901 in Durson rubber and plastic company, POK is Korea star M630A, a foaming agent is CCR909 master batch of a new material bicarbonate made by Kunshanya, an antioxidant is compounded according to the proportion of 1010/168=1/1, a lubricant is compounded according to the proportion of Honeyville 540A/PETS =1/2, in the material, organic black seeds are selected from Cabot 2014, common black seeds are selected from Dongguan Shencai 2412, a toughening agent is selected from Yangyuchuotong KT-915, in the material, BBSA is selected from Suzhou Jinzhou chemical industry, and glass fibers are selected from Jushi 560A.
Compared with the common reinforced nylon material, the PA6/POK alloy material prepared by the application of the micro-foaming wear-resistant PA6 alloy material has obvious alloy characteristics, lower water absorption rate, higher dimensional stability and higher wear resistance; compared with the common PA6/POK alloy, the alloy has lower specific gravity and is more in line with the development trend of light weight of automobiles; the micro-foaming PA6/POK alloy material base material is easy to process, is the same as a common modified engineering material, and is convenient for large-scale production; the micro-foaming PA6/POK alloy material needs to be improved on the basis of a common formula, and the failure of a foaming agent is avoided.
The specific preparation method of the wear-resistant PA6/POK alloy material in the embodiments 1-3 is as follows:
(1) Drying the PA6 resin and the casting nylon at 110 ℃ for 3-4 hours, and controlling the moisture to be less than 2 per thousand as much as possible;
(2) Uniformly mixing the dried PA6 resin, pouring nylon, POK resin, a toughening agent, an antioxidant, a lubricant, organic black seeds and common black seeds in a mixer at a speed of 120r/min in proportion, adding the mixture into a double-screw extruder, and introducing alkali-free glass fibers during melt extrusion; the melt extrusion temperature is 230-250 ℃, and the rotating speed of a screw is 450 r/min;
(3) Granulating and post-treating. Carrying out water cooling, air drying, grain cutting and strong magnetism on the extruded material to obtain finished product particles;
(4) The granules prepared in examples 1 to 3 above were labeled as granules a, B and C, respectively, and after baking at 120 ℃ for 2 hours, were sealed for use.
The specific preparation method of the microcellular foamed wear-resistant PA6/POK alloy material in the embodiment 4-9 is as follows:
| scheme 4 | Scheme 5 | Scheme 6 | Scheme 7 | Scheme 8 | Scheme 9 | |
| Particle A | 98 | 96.5 | ||||
| Particle B | 98 | 96.5 | ||||
| Particle C | 98 | 96.5 | ||||
| BBSA | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| CCR909 | 1.5 | 3 | 1.5 | 3 | 1.5 | 3 |
(1) Respectively adding BBSA liquid into the dried particles A, B and C according to the proportion, uniformly stirring, then adding CCR909 master batches with different proportions, uniformly stirring, and sealing for later use;
(2) And (3) drying the particles obtained by the schemes 1-9 in an oven at 110-120 ℃ for 3-4 hours, injection-molding into national standard sample strips and friction sample strips, and testing the tensile strength, the bending strength, the notched impact strength of the cantilever beam and the friction performance of the particles according to relevant standards of GB/T1040-2006, GB/T9341-2008, GB/T1843-2008 and GB/T3960-2016.
Test data:
examples 1-9 the test data are detailed in the following table
As can be seen from the data in the table, even if the foaming master batch is added into the ordinary viscosity nylon system, the specific gravity is almost unchanged, which indicates that the foaming effect is not obvious; however, the system for pouring nylon is added, the specific gravity is obviously lightened, the foaming effect is obvious, because the pouring increases the melt viscosity, the melt strength is high, the gas generated in the injection molding process can be locked, the micropores are not broken, and the gas does not escape. Meanwhile, compared with pure PA6, the alloy material added with the POK resin has greatly reduced abrasion loss and obviously improved wear resistance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The micro-foaming wear-resistant PA6 alloy material is characterized by comprising the following raw materials in parts by mass: 23.4 to 56.1 portions of PA6 resin, 8 to 12 portions of casting nylon, 15 to 25 portions of POK resin, 3 to 5 portions of toughener, 0.2 to 0.6 portion of antioxidant, 0.6 to 1.4 portions of lubricant, 0.3 to 0.7 portion of organic black seed, 0.8 to 1.2 portions of common black seed, 1 to 5 portions of foaming agent, 0.5 to 1 portion of N-Butyl Benzene Sulfonamide (BBSA) and 15 to 25 portions of alkali-free glass fiber.
2. The preparation method of the micro-foaming wear-resistant PA6 alloy material is characterized by comprising the following steps:
step one, baking PA6 resin and casting nylon at 110 ℃ for 3-4 hours, and controlling the moisture to be less than 2 per thousand as much as possible;
step two, uniformly mixing the dried PA6 resin, pouring nylon, POK resin, a toughening agent, an antioxidant, a lubricant, organic black seeds and common black seeds in a mixer at a speed of 120r/min in proportion, adding the mixture into a double-screw extruder, and introducing alkali-free glass fibers while melt-extruding; the melt extrusion temperature is 225-250 ℃, and the rotating speed of a screw is 450 r/min;
step three, granulation and post-treatment; cooling, air drying, granulating and strong magnetic treatment are carried out on the extruded materials to obtain finished product particles, and the finished product particles are labeled, dried and sealed for later use;
step four, adding BBSA liquid into the particles according to a certain proportion, uniformly stirring at the speed of 120r/min, then adding CCR909 master batches with different proportions, uniformly stirring, and sealing for later use;
and step five, drying the particles obtained by the scheme for 4-5 hours at 110-120 ℃, and performing injection molding to obtain national standard sample strips and friction sample strips, and measuring the mechanical property and the abrasion loss.
3. The microfoamed wear-resistant PA6 alloy material according to claim 1, wherein: in the materials, PA6 resin is BL3240 with the viscosity of 2.4 of the ba ling petrochemical industry, and casting nylon is MC901 of Dusen rubber and plastic company.
4. The microfoamed wear-resistant PA6 alloy material according to claim 1, wherein: among the above materials, POK was selected from Kogxing M630A, and the foaming agent was a mother particle of CCR909 polymer, a new material of bicarbonate made by melting from Kunshanya.
5. The microfoamed wear-resistant PA6 alloy material according to claim 1, wherein: in the materials, an antioxidant is compounded according to the proportion of 1010/168=1/1, and a lubricant is compounded according to the proportion of HONEYWELL 540A/PETS = 1/2.
6. The microfoamed wear-resistant PA6 alloy material according to claim 1, wherein: among the above materials, organic black seed is selected from Cabot 2014, common black seed is selected from Dongguan Shencai 2412, and flexibilizer is selected from Shenyang Tong KT-915.
7. The microfoamed wear-resistant PA6 alloy material according to claim 1, wherein: among the above materials, BBSA is Suzhou Jinzhou chemical industry, and glass fiber is boulder 560A.
8. The application of the micro-foaming wear-resistant PA6 alloy material is characterized in that: compared with the common reinforced nylon material, the prepared PA6/POK alloy material has obvious alloy characteristics, lower water absorption, higher dimensional stability and higher wear resistance; compared with the common PA6/POK alloy, the alloy has lower specific gravity and is more in line with the development trend of light weight of automobiles; the micro-foaming PA6/POK alloy material base material is easy to process, is the same as a common modified engineering material, and is convenient for large-scale production; the micro-foaming PA6/POK alloy material needs to be improved on the basis of a common formula, and the failure of a foaming agent is avoided.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118063961A (en) * | 2024-04-17 | 2024-05-24 | 山东祥龙新材料股份有限公司 | Flexible barrier extrusion polyamide material, preparation method thereof and nylon tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118063961A (en) * | 2024-04-17 | 2024-05-24 | 山东祥龙新材料股份有限公司 | Flexible barrier extrusion polyamide material, preparation method thereof and nylon tube |
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