CN112457665A - Ceramic-like nylon material and preparation method thereof - Google Patents
Ceramic-like nylon material and preparation method thereof Download PDFInfo
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- CN112457665A CN112457665A CN202011322127.7A CN202011322127A CN112457665A CN 112457665 A CN112457665 A CN 112457665A CN 202011322127 A CN202011322127 A CN 202011322127A CN 112457665 A CN112457665 A CN 112457665A
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- nylon material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention particularly relates to a ceramic-like nylon material and a preparation method thereof, belonging to the technical field of polymer composite materials. The ceramic-like nylon material is prepared from the following raw materials in parts by weight: 50-98 parts of transparent nylon resin, 1-30 parts of nano metal oxide, 1-25 parts of glass beads, 0-5 parts of color master batch, 0.1-6 parts of antioxidant, 0.1-5 parts of lubricant and 0.1-2 parts of coupling agent. The ceramic-like nylon material disclosed by the invention has the advantages that the raw material source is wide, the prepared product is impact-resistant and easy to mold, the surface has high glossiness, the ceramic-like nylon material not only has the excellent characteristics of a ceramic product, but also has the characteristic of easiness in processing of plastic polymers, the shrinkage rate of the product is greatly reduced, and the ceramic-like nylon material can be used for manufacturing various ceramic-like products; meanwhile, the invention provides a simple and feasible preparation method.
Description
Technical Field
The invention particularly relates to a ceramic-like nylon material and a preparation method thereof, belonging to the technical field of polymer composite materials.
Background
At present, the invention of the ceramic material not only solves the living problems of people, such as living appliances, building materials and the like, but also provides artistic enjoyment for colorful ceramic materials. With the improvement of the quality of life, people have higher requirements on the appearance color of the articles. The smoothness and the glossiness of the ceramic material are high, but the ceramic material is fragile and has a single processing mode, and the use of the ceramic material is limited. With the rise of 5G technology, the selection of parts of electronic products considers more materials with low dielectric constant, and the requirements of 5G base station housings and mobile phone backboards on low-dielectric ceramic materials are very large, but the ceramic processing and molding yield is too low, so that the existing ceramic materials cannot meet the requirements.
CN103112097A discloses a nylon 11-based hollow glass bead modified composite material and a performance test method, wherein nylon and glass beads are mixed to reduce the shrinkage of casting nylon PA 6; CN110713711A discloses a nylon/graphene/hollow glass bead composite material, a preparation method and an application thereof, wherein nylon, graphene and hollow glass beads are compounded to accelerate the crystallization rate, and the density of the prepared material is reduced. However, the composite materials prepared by the two technologies do not have the ceramic hand feeling.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the ceramic-like nylon material is provided, the raw material source is wide, the prepared product is impact-resistant and easy to form, the surface has high glossiness, the ceramic-like nylon material has the excellent characteristics of ceramic products and the characteristic of easy processing of plastic polymers, the shrinkage rate of the product is greatly reduced, and the ceramic-like nylon material can be used for manufacturing various ceramic-like products; meanwhile, the invention provides a simple and feasible preparation method.
The ceramic-like nylon material is prepared from the following raw materials in parts by weight:
the sum of the raw materials is 100 parts.
The transparent nylon resin is one or two of copolymer of PAPACM12, PAMXD6, PA6I or PATMDT; or a mixture of the nylon resin and one or more of other nylon resin copolymers.
The nano metal oxide is one or two of nano aluminum oxide or nano zirconium oxide.
The particle size of the glass beads is 80 meshes, 100 meshes or 200 meshes.
The color master is one or more of PE color master, PP color master or PA color master.
The antioxidant is a mixture of an antioxidant 1076 and an antioxidant TNP, and the mixing mass ratio of the antioxidant to the antioxidant is 1: 1.
the lubricant is one or more of paraffin powder, silicone master batch, oleamide, erucamide, calcium stearate, zinc stearate or barium stearate.
The coupling agent is one or more of silane coupling agent, titanate coupling agent or aluminate coupling agent.
The preparation method of the ceramic-like nylon material comprises the following steps:
(1) mixing materials: putting the transparent nylon resin and the color master into a stirrer for mixing for 5-10 minutes; adding the coupling agent into a stirrer and mixing for 3-5 minutes; finally, putting the nano metal oxide, the glass beads, the antioxidant and the lubricant into a stirrer to be mixed for 5-10 minutes;
(2) and (3) extruding and granulating: feeding the mixed material into an extrusion device; starting the extruding equipment and granulating.
The extrusion equipment is a double-screw extruder; the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first zone is 200-; the temperature of the handpiece is 200 ℃ and 240 ℃; the rotating speed of the extruder host is 400-.
Compared with the prior art, the invention has the following beneficial effects:
1) the transparent nylon used in the invention has high transparency, high glossiness, good dimensional stability, excellent mechanical property, good oil resistance and alkali resistance and good molding processing characteristics, and can be used for manufacturing colorful products;
2) the glass beads are added, so that the surface smoothness of the product is high, and the shrinkage rate can be reduced by 2-3 per mill;
3) the antioxidant 1076 and the antioxidant TNP are mixed, so that the thermal-oxidative aging resistance is good;
4) the invention uses the lubricant, so that the glass beads and the nano oxides are dispersed more uniformly;
5) the invention uses nano metal oxide, increases the specific gravity of the material, and the product prepared by blending and extruding has ceramic hand feeling;
5) the invention uses the nylon with high glossiness and high transparency, the prepared ceramic-like nylon material has high glossiness which can reach more than 60 in a 20-degree angle test, the impact property is excellent, and the appearance effect of the ceramic material can be achieved by adjusting various color proportions.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
Weighing 60 kg of PAPAM 12, 16 kg of 100-mesh glass microspheres, 20 kg of nano zirconia, 1 kg of PA porcelain white color master, 0.5 kg of antioxidant 1076, 0.5 kg of antioxidant TNP, 1 kg of paraffin powder and 1 kg of KH550, adding the PAPAM 12 and the PA porcelain white color master (transparent nylon resin and color master) into a high-speed mixer, and stirring for 5 minutes; adding KH550 (coupling agent) into a high-speed mixer, and stirring for 3 minutes; finally, adding the antioxidant and the paraffin powder (lubricant) into a high-speed mixer, and stirring for 5 minutes until stopping; adding the mixed material into a main feeding hopper of the double-screw extruder, and feeding the double-screw extruder by the main feeding hopper; extruding, granulating and drying to test relevant performances.
The temperature of each zone of the double-screw extruder is set as follows: the temperature of the first zone is 240 ℃, the temperature of the second zone is 240 ℃, the temperature of the third zone is 240 ℃, the temperature of the fourth zone is 240 ℃, the temperature of the fifth zone is 240 ℃, the temperature of the sixth zone is 240 ℃, the temperature of the seventh zone is 240 ℃, the temperature of the eighth zone is 240 ℃, the temperature of the ninth zone is 240 ℃ and the temperature of the tenth zone is 240 ℃; the temperature of the machine head is 240 ℃; the rotating speed of the extruder host is 600r/min, and the host current is 80A.
Example 2
62 kg of PATMDT, 14 kg of 80-mesh glass beads, 20 kg of nano-alumina, 1 kg of PA porcelain white color master, 0.5 kg of antioxidant 1076, 0.5 kg of antioxidant TNP, 1 kg of silicone powder and 1 kg of aluminate coupling agent are weighed, granulated by a double-screw extruder according to the processing method of the embodiment 1, and dried to test the relevant performance.
Example 3
60 kg of PAMXD6, 5 kg of PAPACM12, 12 kg of 200 mesh glass beads, 20 kg of nano alumina, 0.5 kg of antioxidant 1076, 0.5 kg of antioxidant TNP, 1 kg of oleamide and 1 kg of aluminate coupling agent were weighed, granulated by a twin-screw extruder according to the processing method described in example 1, and dried to test the relevant properties.
Example 4
30 kg of PAPAM 12, 30 kg of PA6I, 16 kg of 100-mesh glass beads, 10 kg of nano alumina, 10 kg of nano zirconia, 0.5 kg of antioxidant 1076, 0.5 kg of antioxidant TNP, 1 kg of erucamide and 1 kg of titanate coupling agent were weighed, granulated by a twin-screw extruder according to the processing method described in example 1, and dried to test relevant properties.
Comparative example 1
30 kg of PAPAM 12, 30 kg of PAMACM12, 1 kg of PA porcelain white masterbatch, 0.5 kg of antioxidant 1076, 0.5 kg of antioxidant TNP and 1 kg of erucamide were weighed, granulated by a twin-screw extruder according to the processing method described in example 1, and dried to test the relevant properties.
TABLE 1
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
2. The ceramic-like nylon material of claim 1, wherein: the transparent nylon resin is one or two of copolymer of PAPACM12, PAMXD6, PA6I or PATMDT; or a mixture of the nylon resin and one or more of other nylon resin copolymers.
3. The ceramic-like nylon material of claim 1, wherein: the nano metal oxide is one or two of nano aluminum oxide or nano zirconium oxide.
4. The ceramic-like nylon material of claim 1, wherein: the grain size of the glass micro-beads is 80 meshes, 100 meshes or 200 meshes.
5. The ceramic-like nylon material of claim 1, wherein: the color master is one or more of PE color master, PP color master or PA color master.
6. The ceramic-like nylon material of claim 1, wherein: the antioxidant is a mixture of antioxidant 1076 and antioxidant TNP, and the mixing mass ratio of the antioxidant to the antioxidant is 1: 1.
7. the ceramic-like nylon material of claim 1, wherein: the lubricant is one or more of paraffin powder, silicone master batch, oleamide, erucamide, calcium stearate, zinc stearate or barium stearate.
8. The ceramic-like nylon material of claim 1, wherein: the coupling agent is one or more of silane coupling agent, titanate coupling agent or aluminate coupling agent.
9. A method for preparing a ceramic-like nylon material according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
(1) mixing materials: putting the transparent nylon resin and the color master into a stirrer for mixing for 5-10 minutes; adding the coupling agent into a stirrer and mixing for 3-5 minutes; finally, putting the nano metal oxide, the glass beads, the antioxidant and the lubricant into a stirrer to be mixed for 5-10 minutes;
(2) and (3) extruding and granulating: feeding the mixed material into an extrusion device; starting the extruding equipment and granulating.
10. The method for preparing the ceramic-like nylon material according to claim 9, wherein: the extrusion equipment is a double-screw extruder; the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first zone is 200-; the temperature of the handpiece is 200 ℃ and 240 ℃; the rotating speed of the extruder host is 400-.
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CN202011322127.7A CN112457665A (en) | 2020-11-23 | 2020-11-23 | Ceramic-like nylon material and preparation method thereof |
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CN202011322127.7A CN112457665A (en) | 2020-11-23 | 2020-11-23 | Ceramic-like nylon material and preparation method thereof |
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Citations (8)
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---|---|---|---|---|
CN1185463A (en) * | 1996-12-12 | 1998-06-24 | Ems-英芬塔股份有限公司 | Decorative semiproduct of transparent polyamide, preparation method and use |
US6022613A (en) * | 1999-06-11 | 2000-02-08 | Alliedsignal Inc. | Transparent polyamide compositions |
CN102617068A (en) * | 2012-03-21 | 2012-08-01 | 深圳市科聚新材料有限公司 | Ceramic imitated PBT (polybutylene terephthalate) composite and method for preparing same |
CN102732018A (en) * | 2012-07-03 | 2012-10-17 | 金发科技股份有限公司 | Nylon 66 composite and preparation method thereof |
CN104909617A (en) * | 2015-05-25 | 2015-09-16 | 吴江华诚复合材料科技有限公司 | Lightweight imitation ceramic composite material and preparation method thereof |
CN107857995A (en) * | 2017-11-08 | 2018-03-30 | 广州维邦新材料科技有限公司 | A kind of automobile connector nylon composite materials and its processing method |
CN109943069A (en) * | 2019-03-21 | 2019-06-28 | 山东广垠新材料有限公司 | A kind of preparation method of automobile pipeline system long carbon chain nylon material |
CN111205638A (en) * | 2020-02-25 | 2020-05-29 | 合复新材料科技(无锡)有限公司 | Injection-moldable ceramic-like material, preparation method thereof and application thereof in rear cover of mobile communication equipment |
-
2020
- 2020-11-23 CN CN202011322127.7A patent/CN112457665A/en active Pending
Patent Citations (8)
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CN1185463A (en) * | 1996-12-12 | 1998-06-24 | Ems-英芬塔股份有限公司 | Decorative semiproduct of transparent polyamide, preparation method and use |
US6022613A (en) * | 1999-06-11 | 2000-02-08 | Alliedsignal Inc. | Transparent polyamide compositions |
CN102617068A (en) * | 2012-03-21 | 2012-08-01 | 深圳市科聚新材料有限公司 | Ceramic imitated PBT (polybutylene terephthalate) composite and method for preparing same |
CN102732018A (en) * | 2012-07-03 | 2012-10-17 | 金发科技股份有限公司 | Nylon 66 composite and preparation method thereof |
CN104909617A (en) * | 2015-05-25 | 2015-09-16 | 吴江华诚复合材料科技有限公司 | Lightweight imitation ceramic composite material and preparation method thereof |
CN107857995A (en) * | 2017-11-08 | 2018-03-30 | 广州维邦新材料科技有限公司 | A kind of automobile connector nylon composite materials and its processing method |
CN109943069A (en) * | 2019-03-21 | 2019-06-28 | 山东广垠新材料有限公司 | A kind of preparation method of automobile pipeline system long carbon chain nylon material |
CN111205638A (en) * | 2020-02-25 | 2020-05-29 | 合复新材料科技(无锡)有限公司 | Injection-moldable ceramic-like material, preparation method thereof and application thereof in rear cover of mobile communication equipment |
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Application publication date: 20210309 |