CN112159591A - Hollow glass bead modified nylon composite material and preparation method and application thereof - Google Patents
Hollow glass bead modified nylon composite material and preparation method and application thereof Download PDFInfo
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- CN112159591A CN112159591A CN202011095304.2A CN202011095304A CN112159591A CN 112159591 A CN112159591 A CN 112159591A CN 202011095304 A CN202011095304 A CN 202011095304A CN 112159591 A CN112159591 A CN 112159591A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/003—Additives being defined by their diameter
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- C08K2201/005—Additives being defined by their particle size in general
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Abstract
The invention relates to the technical field of high polymer materials, in particular to a hollow glass bead modified nylon composite material and a preparation method and application thereof. The preparation raw materials comprise, by weight, 56-79 parts of polyamide, 5-11 parts of a compatilizer, 10-30 parts of hollow glass beads, 0-18 parts of glass fibers and 0-1 part of a silane coupling agent; of said hollow glass microspheresThe density is 0.1 to 0.6g/cm3. According to the invention, the epoxy surface modified hollow glass beads with specific content are adopted, so that the specific gravity of the composite material is effectively reduced, and the mechanical properties such as specific strength are obviously improved. Secondly, the silane coupling agent with specific content and specific structure is adopted in the invention, so that the interface fusion effect between the polyamide resin and the hollow glass bead and other filling raw materials is effectively promoted, and the mechanical strength and toughness of the composite material are obviously enhanced. Meanwhile, the breakage rate of the composite material in the processing process is obviously reduced under the condition of adding the glass fiber with specific content.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a hollow glass bead modified nylon composite material and a preparation method and application thereof.
Background
Polyamide (PA, colloquially referred to as nylon) was the first resin developed for fibers by DuPont in the united states and was commercialized in 1939. Polyamides have been developed and produced in the 50 th century to replace metals for the lightweight and cost-effective production of articles in downstream industries. The PA has good comprehensive properties including mechanical property, heat resistance, wear resistance, chemical resistance and self-lubricity, low friction coefficient, certain flame retardance and easy processing, thereby being widely applied to the fields of automobiles, electronic and electric appliances, mechanical manufacturing, transportation, daily necessities and the like.
However, due to different specific and different use requirements of different industries on polyamide materials, the polyamide materials have more extensive performance requirements, for example, wearable equipment requires that the polyamide materials have higher lightweight indexes, and meanwhile, the polyamide materials have certain strength and toughness, and certain mechanical strength and impact resistance in use are ensured. In addition, due to the particularity of the molecular structure of the polyamide, the polyamide has the characteristics of easy water absorption and strong temperature sensitivity, so that the modification processing of the polyamide has certain difficulty.
Disclosure of Invention
In order to solve the technical problems, the first aspect of the invention provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The density of the hollow glass beads is 0.1-0.6 g/cm3。
As a preferable technical scheme of the invention, the volume density of the glass fiber is 0.50-0.90 g/cm3。
As a preferable technical scheme of the invention, the monofilament diameter of the glass fiber is 8-12 μm.
As a preferable technical scheme, the content of the glass fiber is 3-8 wt%.
As a preferable technical scheme, the particle size of the hollow glass bead is 10-40 μm.
As a preferred technical scheme, the hollow glass beads are surface-modified hollow glass beads; the surface modification is surface epoxy treatment.
As a preferable technical scheme, the preparation raw materials of the hollow glass bead modified nylon composite material further comprise 0-0.4 part by weight of an antioxidant, 0-0.5 part by weight of a lubricant, 0-0.2 part by weight of a stabilizer and 0-0.2 part by weight of a nucleating agent.
As a preferable technical scheme of the invention, the polyamide is selected from one or more of PA6, PA66, PAMXD6, PA612, PA1010 and PA6I/PA 6T.
As a preferable technical scheme of the invention, the silane coupling agent contains epoxy groups in the structure; the content of the silane coupling agent is 0.2-0.5 wt%.
The second aspect of the present invention provides a preparation method of the hollow glass bead modified nylon composite material, which comprises the following steps:
(1) taking preparation raw materials according to a ratio, and mixing polyamide, a compatilizer and a silane coupling agent;
(2) and adding the hollow glass beads and the rest raw materials into the system, mixing, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
As a preferable technical scheme, the preparation method of the hollow glass bead modified nylon composite material comprises the following steps:
(1) taking preparation raw materials according to a ratio, and mixing polyamide, a compatilizer and a silane coupling agent;
(2) and adding other auxiliary agents into the system, uniformly mixing, adding the mixture into a double-screw extruder from a main material port, adding the hollow glass beads or the hollow glass beads and the glass fibers from a side feeding port of the double-screw extruder, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
The third aspect of the invention provides an application of the hollow glass bead modified nylon composite material in the field of wearable intelligent equipment.
Has the advantages that: according to the invention, the epoxy surface modified hollow glass beads with specific content are adopted, so that the specific gravity of the composite material is effectively reduced, and the mechanical properties such as specific strength are obviously improved. Secondly, the silane coupling agent with specific content and specific structure is adopted in the invention, so that the interface fusion effect between the polyamide resin and the hollow glass bead and other filling raw materials is effectively promoted, and the mechanical strength and toughness of the composite material are obviously enhanced. In addition, a certain amount of glass fiber is added into the composite material, so that the specific strength of the composite material is enhanced, and the unexpected discovery that the glass fiber can contribute to the distribution performance of the hollow glass beads, so that the glass beads are better distributed in the composite material, the damage rate of the hollow glass beads in the processing process is reduced, and the processing performance of the composite material is effectively improved. Through the modification, the application field of the composite material in the application is remarkably widened, so that the composite material is widely applied to the fields of automobile industry, electronics and electric appliances, transportation, daily necessities and the like.
Drawings
FIG. 1 is an SEM image of the distribution of hollow glass beads in a composite material.
FIG. 2 is an SEM image of the distribution of hollow glass beads and glass fibers in the composite material.
Detailed Description
The technical features of the technical solutions provided by the present invention will be further clearly and completely described below with reference to the specific embodiments, and it should be apparent 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.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including 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. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The words "preferred", "preferably", "more preferred", and the like, in the present invention, refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The invention provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The density of the hollow glass beads is 0.1-0.6 g/cm3。
In some preferred embodiments, the density of the hollow glass microspheres is 0.3 to 0.6g/cm3。
The polyamide is a polymer containing amido bond- [ NHCO ] -in a molecular chain structure, and is mainly prepared by the polycondensation of diamine and diacid, wherein the diamine and the diacid can be aliphatic diamine and diacid, and can also be aromatic diamine and diacid, and the diamine and the diacid can comprise but are not limited to adipic acid, terephthalic acid, succinic acid, malonic acid, naphthalenedicarboxylic acid, sebacic acid, suberic acid, dodecanedioic acid, glutaric acid and the like; hexylene glycol, butylene glycol, propylene glycol, pentamethylene diamine, dodecylamine, etc. In addition, the polyamide in the present invention may be synthesized from an omega-amino acid or a cyclic lactam. The synthetic method and source of the polyamide in the present invention are not particularly limited, and the polyamide may be prepared according to a method known to those skilled in the art, or may be commercially available.
The polyamide molecular chain structure in the invention is regular, and is a crystalline macromolecular compound, and the movement of the molecular chain is restrained by the existence of crystal lattices, so that the strength is higher. In addition, polar amide groups contained in the molecular chains can form hydrogen bonds among the molecular chains, so that the acting force among the molecular chains is increased, and the slippage of the molecular chains under an external force is further limited, so that the polyamide composite material has higher mechanical strength and modulus, and the mechanical strength is further improved along with the increase of the density of amide groups in the polyamide molecular chains, the enhancement of the symmetry of the molecular chains and the improvement of the crystallinity, so that the performance of the composite material obtained by adopting polyamides with different structures or adopting the compounding among different components has larger difference.
In some preferred embodiments, the polyamide is selected from one or more of PA6, PA66, PAMXD6, PA612, PA1010, PA6I/PA 6T.
In some preferred embodiments, the polyamide is a mixture of PA6 and PA 66; preferably, the weight ratio of the PA6 to the PA66 is 1: 4 or 3: 11.
in some preferred embodiments, the polyamide is a mixture of PA6 and PA 612; preferably, the weight ratio of the PA6 to the PA612 is 1: 10.
in some preferred embodiments, the polyamide is a mixture of PAMXD6 and PA 66; preferably, the weight ratio of the PAMXD6 to the PA66 is 1: 4.
the PA6 is a polymer prepared by ring-opening polymerization of caprolactam. In some preferred embodiments, the PA6 has a relative viscosity of 1.8 to 2.5 s. In some preferred embodiments, the melting point of the PA6 is 215-225 ℃.
The relative viscosity of the PA6 can be obtained by testing according to the standard of an enterprise standard Q/321200WLB001-2015 or the standard of an industry standard FZ-T51004-2011. PA6 of Jiangsu Haiyang chemical fiber Co., Ltd under the trademark HY2000A can be selected, and PA6 of Jiangsu Rimefu industry Co., Ltd under the trademark M1013B can also be adopted.
The PA66 is a polymer prepared by polycondensation of adipic acid and hexamethylenediamine. In some preferred embodiments, the PA66 has a relative viscosity of 2.5 to 3.5s at 20 degrees Celsius. In some preferred embodiments, the PA66 has an amino end group content of 40 to 55 Meq/kg.
The relative viscosity of PA66 in the invention is measured according to the method of the national standard GB/T12006.1. PA66 of engineering plastics of Hippocampus Limited liability company under the trademark FYR27D or PA66 under the trademark EPR32D can be selected.
The PA612 is poly-dodecane diamide hexamethylene diamine, and is prepared by polycondensation of hexamethylene diamine and dodecane diacid. In some embodiments, the PA612 has a viscosity of 2.35 to 2.55 s. In some preferred embodiments, the melting point of the PA612 is 207 to 222 degrees Celsius.
The viscosity and melting point of the PA612 described in the present invention were measured according to the method of GB/T12006.1-like. PA612 from Shandong Guangbiang New materials Limited under the brand name A150 can be selected.
The PA1010 is polydecamoyl decamethylene diamine, is a polymer prepared by polycondensation of sebacic acid and decamethylene diamine, and can be prepared by selecting a conventional PA1010 product in the field. The PA6I/PA6T is a polymer prepared by blending polyhexamethylene isophthalamide (PA6I) and polyhexamethylene terephthalamide (PA6T), and various PA6I/PA6T products which are well known by the technical personnel in the field can be selected.
The PAMXD6 is poly m-xylylene adipamide, and is a polymer prepared by the polycondensation reaction of adipic acid and m-xylylene diamine. PAMXD6 is a special crystalline aromatic nylon material with high strength, high rigidity, high thermal deformation temperature and small thermal expansion coefficient; the dimensional stability is good, the water absorption is low, the dimensional change after water absorption is small, and the mechanical strength change is small; the molding shrinkage is small, and the method is suitable for precision molding; the coating performance is excellent, and the coating is particularly suitable for high-temperature surface coating; has excellent barrier property against gases such as oxygen and carbon dioxide. Excellent mechanical and thermal properties, high strength, high modulus, heat resistance, high barrier property and excellent boiling resistance.
The glass fiber is an inorganic non-metallic material with excellent performance, the main components are silicon dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide and the like, and the glass fiber can be divided into alkali-free glass fiber (sodium oxide is 0-2 percent, belonging to aluminoborosilicate glass), medium-alkali glass fiber (sodium oxide is 8-12 percent, belonging to boron-containing or boron-free soda-lime silicate glass) and high-alkali glass fiber (sodium oxide is more than 13 percent, belonging to soda-lime silicate glass) according to the content of alkali in the glass.
In some embodiments, the glass fibers are alkali-free glass fibers.
In some preferred embodiments, the alkali content of the glass fibers described in the present invention is not greater than 0.8 wt%. The alkali content of the glass fiber is obtained by testing according to the standard of the national standard GB/T1549.
In some preferred embodiments, the glass fibers have a bulk density of 0.50 to 0.90g/cm3. The bulk density of the glass fibers described in the present invention was measured according to the standard on JC/T896. Preferably, the volume density of the glass fiber is 0.60-0.8 g/cm3。
In some preferred embodiments, the glass fibers have a filament diameter of 8 to 12 μm. The diameters of the glass fiber monofilaments described in the present invention were measured according to the national standard GB/T7690.5.
In some preferred embodiments, the glass fibers have a length of 1 to 2.2 mm. The length of the glass fibers described in the present invention was measured according to the standard on CPIC/TM-25.
The glass fiber can be purchased from the market, for example, the glass fiber with the mark of ECS3014B-1.7-H of Chongqing International composite Co.
In some preferred embodiments, the glass fiber is present in an amount of 3 to 8 wt%. The content of the glass fiber in the invention refers to the weight percentage of the glass fiber in the composite material. In carrying out the present invention, the applicant has found that the addition of a certain amount of glass fibers can significantly improve the strength of the composite material without greatly affecting the specific gravity. The applicant has unexpectedly found that when glass fibres are used in an amount of 3 to 8 wt%, especially 5 wt%, based on the weight of the composite, the composite has excellent specific strength. When the content of the hollow glass microspheres is 8 wt%, the breakage rate of the hollow glass microspheres in the system can be remarkably reduced to only 13.6%, and as shown in fig. 2, the hollow glass microspheres and the glass fibers are distributed in the composite material. When the specific hollow glass bead after surface epoxy treatment and the glass fiber with specific physicochemical property in the content of 5 wt% are adopted, the breakage rate of the hollow glass bead can be reduced to about 20% under the synergy among the components.
The hollow glass bead is a tiny, hollow and spherical powder, is made of inorganic materials, and mainly comprises silicon dioxide, aluminum oxide, zirconium oxide, magnesium oxide, sodium silicate and the like.
In some preferred embodiments, the hollow glass microspheres have a particle size of 10 to 40 μm.
In some preferred embodiments, the synthetic crystal and free silica gel content of the hollow glass microspheres is less than 3 wt%.
In some preferred embodiments, the hollow glass microspheres are glass microspheres made from soda lime and borosilicate glass. The hollow glass beads of the present invention may be commercially available, and for example, 3M company standard is iM 16K.
In some preferred embodiments, the hollow glass microspheres are surface modified hollow glass microspheres; preferably, the surface modification is a surface epoxy treatment.
In the process of completing the invention, the applicant finds that the hollow glass microspheres subjected to surface epoxy treatment can obviously improve the specific strength and the impact resistance of the composite material without obviously increasing the specific gravity of the composite material. Probably because the surface activity of the hollow glass microspheres is enhanced after the surface epoxy treatment is carried out on the hollow glass microspheres, better interaction force can be formed between the hollow glass microspheres and polar groups in a polyamide structure in a system, so that the distribution of the hollow glass microspheres in the system is improved, the hollow glass microspheres are uniformly distributed and stressed in the composite material, and the specific strength and the impact resistance of the composite material are improved. In addition, after the surfaces of the hollow glass beads are treated, the agglomeration phenomenon of the hollow glass beads in the material preparation process is avoided, and the impact resistance is reduced due to the fact that stress concentration points are formed in the composite material by the hollow glass beads, and the distribution situation of the hollow glass beads in the composite material is shown in fig. 1.
The compatibilizer described in the present invention is a component for improving compatibility between respective components of the composite material. The invention is not limited to the specific species and source of the compatibilizer, and the compatibilizer can be selected from conventional compatibilizer components in the field. In some embodiments, the compatibilizer is selected from one of polyolefin elastomers, or graft polymers thereof with unsaturated fatty acids (e.g., maleic anhydride grafted polyethylene, maleic anhydride grafted polypropylene, etc.), ethylene-vinyl acetate, ethylene ethyl acrylate, ethylene butyl acrylate, ethylene methyl methacrylate, etc., branched polyethylene, or a mixture of random components of the above components in any proportion. In the present invention, the source of the compatibilizer is not particularly limited, and may be selected from E058T Maleic Anhydride (MAH) grafted polypropylene, luconite 1470 ethylene/butyl acrylate polar terpolymer, and the like, available from Shanghai Yuanyuan high molecular materials science and technology Co.
Because the compatibility between polyamide and hollow glass beads, glass fibers and other components is not ideal, some silane coupling agents can be added to further improve the compatibility between the components. The silane coupling agent in the invention is an organosilicon monomer with more than two different reactive groups in the structure, and can be chemically bonded (coupled) with organic materials and inorganic materials. In the present invention, the selection of the specific type of the coupling agent is not particularly limited, and silane coupling agents known to those skilled in the art can be selected.
In some embodiments, the reactive group contained in the structure of the silane coupling agent is selected from one or more of amino, mercapto, vinyl, epoxy, cyano, and methacryloxy.
In some preferred embodiments, the silane coupling agent contains epoxy groups in its structure.
More preferably, the silane coupling agent is 3- (2, 3-glycidoxy) propyltrimethoxysilane.
More preferably, the content of the silane coupling agent is 0.2 to 0.5 wt%.
The applicant finds that when a certain amount of silane coupling agent is added into the system in the process of completing the invention, the silane coupling agent can be used for coupling polyamide, hollow glass beads, glass fibers and the like in the system, so that the impact resistance of the composite material can be obviously improved.
In some preferred embodiments, the preparation raw materials of the hollow glass bead modified nylon composite material further comprise 0-0.4 part by weight of an antioxidant, 0-0.5 part by weight of a lubricant, 0-0.2 part by weight of a stabilizer and 0-0.2 part by weight of a nucleating agent. The components such as the antioxidant, the lubricant, the stabilizer, the nucleating agent and the like can be selected and used according to actual requirements.
The antioxidant of the present invention is a component for retarding or inhibiting the polymer oxidation process, and various antioxidants known to those skilled in the art can be selected from the antioxidants of the present invention, including but not limited to copper compounds, organic or inorganic halogen compounds, hindered phenols, hindered amines, hydrazines, sulfur compounds, phosphites, and the like.
In some preferred embodiments, the antioxidant is a mixture of hindered phenolic antioxidants and phosphite antioxidants.
Further preferably, the weight ratio of the hindered phenol antioxidant to the phosphite antioxidant is 1: 1.
the lubricant is a lubricating medium for reducing the friction resistance of a friction pair and slowing down the abrasion of the friction pair. The type of the lubricant is not particularly limited in the present invention, and various components known to those skilled in the art may be used as the lubricant, including but not limited to stearate, and specifically, calcium stearate, zinc stearate, aluminum stearate, and the like may be used.
The stabilizer in the present invention is not particularly limited, and various stabilizers known to those skilled in the art may be selected, and the heat stabilizer includes basic lead salts, metal soaps, organotin compounds, organic compounds and polyols, composite stabilizers, and the like. Specifically, the heat stabilizer may be selected from dibasic lead stearate, tribasic lead sulfate, dibasic lead phthalate, dibasic lead phosphite, tribasic lead maleate, basic lead carbonate, basic lead sulfate, basic lead sulfite, lead silicate, coprecipitated basic lead silicate-lead sulfate, coprecipitated lead orthosilicate-silica gel, lead chlorosilicate complex, lead chlorophthalide silicate, basic lead sulfophosphite complex, basic lead chlorosilicate-lead sulfate complex, basic lead thioester-lead phthalate, tetrabasic lead fumarate, lead salicylate, etc.
In addition, a compound having an amide group in its structure may be used as the stabilizer.
Further, the compound containing an amide group in the structure also contains a piperidine group in the structure.
Further, the compound containing amide group in the structure is N, N' -bis (2,2,6, 6-tetramethyl-4-piperidyl) -1, 3-benzenedicarboxamide (CAS: 42774-15-2).
The nucleating agent is a component for inducing polyamide crystallization in the preparation process of the composite material and improving the strength of the composite material. The selection of the specific type of the nucleating agent in the present invention is not particularly limited, and various components known to those skilled in the art may be selected as the nucleating agent. Specifically, one or more of linear saturated carboxylate, hypophosphite and amide compounds can be included but are not limited.
The second aspect of the present invention provides a preparation method of the hollow glass bead modified nylon composite material, which comprises the following steps:
(1) taking preparation raw materials according to a ratio, and mixing polyamide, a compatilizer and a silane coupling agent;
(2) and adding the hollow glass beads and the rest raw materials into the system, mixing, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
In some preferred embodiments, the preparation method of the hollow glass bead modified nylon composite material comprises the following steps:
(1) taking preparation raw materials according to a ratio, and mixing polyamide, a compatilizer and a silane coupling agent;
(2) and adding other auxiliary agents into the system, uniformly mixing, adding the mixture into a double-screw extruder from a main material port, adding the hollow glass beads or the hollow glass beads and the glass fibers from a side feeding port of the double-screw extruder, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
The applicant finds that the mixing mode of the raw materials in the preparation process of the composite material has impact strength on the composite material and the breakage rate of the hollow glass microspheres in the composite material. When all the raw materials except the hollow glass beads are added into an extruder together for melt extrusion preparation, the breakage rate of the hollow glass beads in the obtained composite material is high, and the mechanical properties of the material are influenced. When the polyamide, the compatilizer and the silane coupling agent are mixed firstly, then other auxiliary agents are added for mixing, the hollow glass beads are added from a side feeding port of a double-screw extruder, and the breakage rate of the hollow glass beads in the composite material is obviously reduced when the composite material is prepared by melt extrusion, and meanwhile, the mechanical properties such as the impact resistance and the like of the composite material can be improved.
The third aspect of the invention provides an application of the hollow glass bead modified nylon composite material in the field of wearable intelligent equipment.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
Example 1: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 75
Compatibilizer 5
Hollow glass beads 20;
the polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 1: 4; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass bead is 3M company with iM 16K.
The preparation method of the composite material comprises the following steps:
(1) taking preparation raw materials according to the proportion, and mixing polyamide and a compatilizer;
(2) and adding other auxiliary agents into the system, fully and uniformly mixing, and adding into a double-screw extruder from a main material port. And adding the hollow glass beads from a side feeding port of a double-screw extruder, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
Example 2: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 75
Compatibilizer 5
Hollow glass beads 20;
the polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 1: 4; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA (notched) impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 1 below:
TABLE 1 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 1 | 2.3 | 0.923 | 58.50 | 16.6 |
| Example 2 | 3.2 | 0.926 | 73.43 | 26.9 |
From the experimental results, the hollow glass beads with specific surface modification (epoxy modification) are adopted, so that the impact resistance and specific strength of the composite material are obviously improved, and the composite material has better mechanical properties.
Example 3: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 70
Compatibilizer 10
Hollow glass beads 20;
the polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass bead is 3M company with iM 16K.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 4: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3- (2, 3-epoxypropyl) propyl trimethoxy silane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 5: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3- (2, 3-epoxypropyl) propyl trimethoxy silane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 6: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3- (2, 3-epoxypropyl) propyl trimethoxy silane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 7: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3- (2, 3-epoxypropyl) propyl trimethoxy silane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA (notched) impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 2 below:
TABLE 2 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 3 | 2.6 | 0.917 | 55.65 | 15.3 |
| Example 4 | 2.7 | 0.917 | 61.07 | 18.0 |
| Example 5 | 8.7 | 0.922 | 61.86 | 21.1 |
| Example 6 | 8.5 | 0.983 | 59.00 | 32.8 |
| Example 7 | 9.4 | 0.998 | 58.12 | 38.5 |
From the above experimental results, it can be seen that the use of an appropriate amount of the silane coupling agent helps to improve the impact resistance and specific strength of the composite material, but the amount thereof is not so large as to significantly affect the breakage rate of the hollow glass microspheres in the composite material.
Example 8: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is polyamide silane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 9: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3-aminopropyl triethoxysilane.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA (notched) impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 3 below:
TABLE 3 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 3 | 2.6 | 0.917 | 55.65 | 15.3 |
| Example 8 | 3.4 | 0.917 | 56.71 | 18.8 |
| Example 5 | 8.7 | 0.922 | 61.86 | 21.1 |
| Example 9 | 3.6 | 0.915 | 59.05 | 20.1 |
From the above experimental results, it can be seen that the impact strength and specific strength of the composite material and the breakage rate of the hollow glass beads in the material are different when the coupling agents with different structures are used, and the impact strength of the composite material is very weak, only 2.6kJ/m, without adding the coupling agent2When the same amount of the coupling agent is added, if the specific components are different, the impact resistance of the material is improved differently, wherein when 3- (2, 3-epoxypropyl) propyl trimethoxy silane is adopted, the impact strength of the composite material reaches 8.7kJ/m2The specific strength reaches 61.86, which is far higher than the case of not adding the coupling agent or adopting other components as the coupling agent.
Example 10: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 77
Compatibilizer 8
Hollow glass beads 15;
the polyamide is a mixture of PA66 and PAMXD6, and the weight ratio of the polyamide to the PAMXD6 is 4: 1; the PA66 is EPR32D of engineering plastics Limited liability company of Hippocampus plateau; the PAMXD6 is PAMXD6 from Shanghai Yingjian Kangshi Co., Ltd; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 11: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 73
Compatibilizer 7
Hollow glass beads 20;
the polyamide is a mixture of PA66 and PAMXD6, and the weight ratio of the polyamide to the PAMXD6 is 4: 1; the PA66 is EPR32D of engineering plastics Limited liability company of Hippocampus plateau; the PAMXD6 is the PAMXD6 is the PAMXD6 of Shanghai Yingjian Kongshui company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA (notched) impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 4 below:
TABLE 4 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 10 | 4.5 | 0.998 | 59.12 | 25.4 |
| Example 11 | 2.6 | 0.966 | 64.18 | 32.4 |
From the experimental results, the specific strength of the composite material can be obviously improved by adding the hollow glass beads, and the specific gravity of the composite material is reduced.
Example 12: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 79
Compatibilizer 11
Hollow glass beads 10;
the polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 13: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 70
Compatibilizer 10
Hollow glass beads 20;
the polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 14: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 62
Compatibilizer 8
Hollow glass beads 30;
the polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA notched impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 5 below:
TABLE 5 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 12 | 8.2 | 0.945 | 48.68 | 20.1 |
| Example 13 | 6.2 | 0.898 | 53.45 | 26.5 |
| Example 14 | 6.0 | 0.888 | 55.18 | 35.0 |
From the above experimental results, it can be seen that although the addition of the hollow glass beads can significantly improve the specific strength of the composite material and reduce the specific gravity of the composite material, the breakage rate of the hollow glass beads and the impact strength are correspondingly improved, and therefore, the dosage of the hollow glass beads needs to be strictly regulated and controlled.
Example 15: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
Polyamide 72
Compatibilizer 10
Hollow glass microspheres 18;
the polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy treated hollow glass beads and are available from Shanghai lan chemical company Limited under the trademark iM 16K-EP.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 16: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 17: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 18: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 19: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 20: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 21: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
Example 22: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA612, and the weight ratio of the polyamide is 1: 10; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA612 is a PA612 with the brand number of A150 of Shandong Guangbiang New Material Limited company; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are surface epoxy-treated hollow glass beads and are iM16K-EP (Shanghai Miyasan chemical Co., Ltd.); the glass fiber is the glass fiber with the trade name of ECS3014B-1.7-H of Chongqing International composite Co.
The hollow glass bead modified nylon composite material was prepared in the same manner as in example 1.
The applicant carried out the relevant ISO179/1eA notched impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 6 below:
table 6 performance testing meter
From the above experimental results, it can be seen that the strength of the composite material can be significantly improved by adding the glass fiber, however, it is possible to increase or decrease the breakage rate of the hollow glass beads in the composite material, and therefore, the amount of the glass fiber used needs to be reasonably controlled, and the applicant found that, when the amount of the glass fiber used is 5 wt%, the specific gravity of the composite material is increased by only 0.02g.cm-3On the premise that the specific strength reaches 52.7. Meanwhile, the breakage rate of the hollow glass beads in the composite material is only 20.6%. When the glass fiber is 8 wt%, the breakage rate of hollow glass beads in the system can be obviously reduced, and is only 13.6%.
Example 23: provides a hollow glass bead modified nylon composite material, which comprises the following raw materials in parts by weight
The polyamide is a mixture of PA6 and PA66, and the weight ratio of the polyamide is 3: 11; the PA6 is PA6 of Jiangsu Haiyang chemical fiber company Limited with the mark HY 2000A; the PA66 is made by engineering plastics of Hippocampus Temminck, Inc. under the brand name FYR 27D; the compatilizer is Maleic Anhydride (MAH) grafted polypropylene (E058T of Shanghai Yuanyuan high polymer materials science and technology Co., Ltd.); the hollow glass beads are 3M company with the mark iM 16K; the silane coupling agent is 3- (2, 3-epoxypropyl) propyl trimethoxy silane.
The preparation method of the hollow glass bead modified nylon composite material comprises the following steps:
taking preparation raw materials according to a ratio, mixing polyamide, a compatilizer, a silane coupling agent and hollow glass beads, and then carrying out melt extrusion to prepare the hollow glass bead modified nylon composite material.
The applicant carried out the relevant ISO179/1eA notched impact tests and ISO1183 specific gravity tests on the composite samples of the above examples, the results of which are shown in table 7 below:
TABLE 7 Performance test Table
| Impact resistance kJ/m2 | Specific gravity/g.cm-3 | Specific strength | Breakage rate/%) | |
| Example 23 | 7.1 | 0.950 | 60.00 | 26.3 |
| Example 5 | 8.7 | 0.922 | 61.68 | 21.1 |
From the results, when the composite material is prepared, the adding sequence of the raw materials has a crucial influence on the final performance of the composite material, and the breakage rate of the hollow glass beads can be reduced by firstly mixing the polyamide, the compatilizer and the silane coupling agent and then adding the hollow glass beads.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. The hollow glass bead modified nylon composite material is characterized by comprising the following preparation raw materials in parts by weight
The hollow glassThe density of the micro-beads is 0.1-0.6 g/cm3。
2. The hollow glass bead modified nylon composite material as claimed in claim 1, wherein the volume density of the glass fiber is 0.50-0.90 g/cm3(ii) a The monofilament diameter of the glass fiber is 8-12 mu m.
3. The hollow glass bead modified nylon composite material as claimed in claim 2, wherein the content of the glass fiber is 3-8 wt%.
4. The hollow glass bead modified nylon composite material according to claim 1, wherein the particle size of the hollow glass beads is 10 to 40 μm.
5. The hollow glass bead modified nylon composite material according to claim 4, wherein the hollow glass beads are surface-modified hollow glass beads; the surface modification is surface epoxy treatment.
6. The hollow glass bead modified nylon composite material according to any one of claims 1 to 5, wherein the hollow glass bead modified nylon composite material further comprises 0 to 0.4 parts by weight of an antioxidant, 0 to 0.5 parts by weight of a lubricant, 0 to 0.2 parts by weight of a stabilizer, and 0 to 0.2 parts by weight of a nucleating agent.
7. The hollow glass bead modified nylon composite material according to any one of claims 1 to 5, wherein the polyamide is selected from one or more of PA6, PA66, PAMXD6, PA612, PA1010 and PA6I/PA 6T.
8. The hollow glass bead modified nylon composite material according to claim 6, wherein the silane coupling agent structure contains epoxy groups; the content of the silane coupling agent is 0.2-0.5 wt%.
9. The preparation method of the hollow glass bead modified nylon composite material according to any one of claims 1 to 8, characterized by comprising the following steps:
(1) taking preparation raw materials according to a ratio, and mixing polyamide, a compatilizer and a silane coupling agent;
(2) and adding the hollow glass beads and the rest raw materials into the system, mixing, and performing melt extrusion to obtain the hollow glass bead modified nylon composite material.
10. The hollow glass bead modified nylon composite material as claimed in any one of claims 1 to 8, which is applied to the field of wearable intelligent equipment.
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| CN114539769A (en) * | 2022-03-09 | 2022-05-27 | 珠海万通特种工程塑料有限公司 | Low-density polyamide composition and application thereof |
| CN114539769B (en) * | 2022-03-09 | 2023-10-20 | 珠海万通特种工程塑料有限公司 | Low-density polyamide composition and application thereof |
| CN115322563A (en) * | 2022-08-23 | 2022-11-11 | 金发科技股份有限公司 | High-impact high-elongation polyamide composition and preparation method and application thereof |
| CN115322563B (en) * | 2022-08-23 | 2023-06-06 | 金发科技股份有限公司 | High-impact high-elongation polyamide composition and preparation method and application thereof |
| CN116834171A (en) * | 2023-06-15 | 2023-10-03 | 广东君邦新材料科技有限公司 | Intelligent preparation process of glass fiber reinforced toughened flame-retardant nylon special material |
| CN116834171B (en) * | 2023-06-15 | 2023-12-12 | 广东君邦新材料科技有限公司 | Intelligent preparation process of glass fiber reinforced toughened flame-retardant nylon special material |
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| CN112159591B (en) | 2022-09-02 |
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