CN111647267A - Preparation method for producing and processing nylon nano material - Google Patents
Preparation method for producing and processing nylon nano material Download PDFInfo
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- CN111647267A CN111647267A CN201911316449.8A CN201911316449A CN111647267A CN 111647267 A CN111647267 A CN 111647267A CN 201911316449 A CN201911316449 A CN 201911316449A CN 111647267 A CN111647267 A CN 111647267A
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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
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- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical Kinetics & Catalysis (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a preparation method for producing and processing a nylon nano material, which relates to the field of high polymer materials, wherein the nylon nano material is prepared from the following raw materials: 80-120 parts of nylon resin, 5-15 parts of phenolic resin, 3-20 parts of glass fiber, 3-7 parts of nano-mineral crystal grains, 2-4 parts of EMAC polymer and 2-6 parts of solubilizer; the parts are in g/ml. The invention discloses production and processing of a modified nylon material, which optimizes the wear resistance, mechanical property, thermal property, barrier property and erosion resistance of the nylon material by modifying the nylon material, avoids the problem of deformation caused by friction heating or overhigh external temperature, plays an important factor in the material modification process by adding a solubilizer during material mixing and matching with a stepped heating mode, ensures the superior performance of the prepared material, and solves the problem of poor dispersion property in a modified matrix.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a preparation method for producing and processing a nylon nano material.
Background
The nylon material has the advantages of light weight, easy processing and forming, high toughness, high impact resistance, wear resistance and the like, so that the nylon material is widely used in many fields, gradually replaces the traditional material steel in some industries, and greatly promotes the development of the material along with the continuous improvement of science and technology, and the nylon material is more abundant, and the toughness, the high temperature resistance, the corrosion resistance and the impact resistance of the material are greatly improved, such as super-strong nylon, cast nylon, PA nylon and the like.
With the increasingly strong requirements of industries such as automobiles, electrical appliances, communication, electronics, machinery and the like on the high performance of products, the nylon material is the most important variety in engineering plastics, so that the modified nylon has good market prospect.
In view of the above situation, how to improve the traditional nylon material, increase the abrasion resistance, mechanical properties, thermal properties, barrier properties and erosion resistance of the nylon material, and reduce the heavy process of material treatment, thereby ensuring the production efficiency of the nylon material on the premise of improving the characteristics of the nylon material, and thus meeting the requirements of the current market on the nylon material.
Disclosure of Invention
The invention aims to provide a preparation method for producing and processing nylon nano materials, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the nylon nano material is prepared from the following raw materials: 80-120 parts of nylon resin, 5-15 parts of phenolic resin, 3-20 parts of glass fiber, 3-7 parts of nano-mineral crystal grains, 2-4 parts of EMAC polymer and 2-6 parts of solubilizer;
the parts are in g/ml as weight/volume unit.
As a still further scheme of the invention: the nylon nano material is prepared from the following raw materials: 85 parts of nylon resin, 6 parts of phenolic resin, 12 parts of glass fiber, 4 parts of nano-mineral crystal grain, 2.5 parts of EMAC polymer and 2.4 parts of solubilizer.
As a still further scheme of the invention: the nylon nano material is prepared from the following raw materials: 110 parts of nylon resin, 12 parts of phenolic resin, 10 parts of glass fiber, 3.5 parts of nano-mineral crystal grains, 3 parts of EMAC polymer and 4 parts of solubilizer.
As a still further scheme of the invention: the nylon nano material is prepared from the following raw materials: 115 parts of nylon resin, 8 parts of phenolic resin, 5 parts of glass fiber, 6 parts of nano-mineral crystal grain, 1.5 parts of EMAC polymer and 2 parts of solubilizer.
As a still further scheme of the invention: the solubilizer is RPS2。
As a still further scheme of the invention: the EMAC polymer is prepared from methyl methacrylate and comonomer styrene according to a ratio of 10: 1.5.
As a still further scheme of the invention: the preparation method of the nylon nano material comprises the following steps:
(1) carrying out load bearing on nylon resin, phenolic resin, glass fiber, nano-mineral grains and EMAC polymer according to a proportion, and then stirring and mixing the materials in a reaction kettle for 2-4min at a rotating speed of 63 r/min;
(2) adding a solubilizer into the mixture mixed in the step one, and stirring the mixture in a reaction kettle at the rotating speed of 90r/min for 25 min;
(3) continuously stirring the product prepared in the reaction kettle in a step-type heating mode after the product mixed in the step two is finished, wherein the rotating speed is 120r/min, and the time is 2-3 h;
(4) and (4) transferring the mixture prepared in the step three into a double-screw extruder, and carrying out extrusion, cooling and granulation.
As a still further scheme of the invention: the step heating in the third step is specifically heating in a 25 ℃/gradient manner, the highest temperature is 240 ℃, and the total time consumption is 1-1.2 h.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the invention modifies the nylon material, optimizes the wear resistance, mechanical property, thermal property, barrier property and erosion resistance of the nylon material, avoids the problem of deformation caused by friction heating or overhigh external temperature, plays an important factor in the material modification process by adding the solubilizer during material mixing and matching with a stepped heating mode, ensures the superior performance of the prepared material and solves the problem of poor dispersion property in a modified matrix.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, 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 preparation method for producing and processing a nylon nano material, which comprises the following raw materials: 80-120 parts of nylon resin, 5-15 parts of phenolic resin, 3-20 parts of glass fiber, 3-7 parts of nano-mineral crystal grains, 2-4 parts of EMAC polymer and 2-6 parts of solubilizer; the nylon resin, the phenolic resin, the glass fiber, the nano-mineral grain and the EMAC polymer are in g unit by weight, and the 2-6 parts of the solubilizer are in ml unit by volume.
Specifically, the solubilizer is specifically RPS2, the grafting rate is 1%, and the solubilizer can be used for PS and various engineering plastics or modified polyolefin resins. In addition, it can be compatibilized "in situ", directly for plastics modification, blending and alloying.
Furthermore, the EMAC polymer is prepared from methyl methacrylate and a comonomer styrene according to a ratio of 10:1.5, and comprises the following components in percentage by weight: heating in an oil bath, controlling the reaction temperature to be 90-150 ℃, stirring and reacting for 7-11 h at the rotating speed of 300-500 r/min to form a viscous copolymerization product, then completely dissolving with acetone, then settling with methanol for 1-4 h, then filtering, putting into an oven for drying, and grinding to obtain fine particles, namely the EMAC polymer.
Example 1
The nylon nano material is composed of the following raw materials: 85g of nylon resin, 6g of phenolic resin, 12g of glass fiber, 4g of nano-mineral grains, 2.5g of EMAC polymer and 2.4ml of solubilizer.
The preparation method comprises the following steps:
firstly, carrying out load bearing selection on nylon resin, phenolic resin, glass fiber, nano-mineral grains and EMAC polymer according to a proportion, then feeding the materials into a reaction kettle, stirring and mixing for 2-4min, wherein the rotating speed is 63 r/min;
secondly, adding a solubilizer into the mixture mixed in the step one, and stirring the mixture in the reaction kettle at the rotating speed of 90r/min for 25 min;
thirdly, continuously stirring the product prepared in the reaction kettle in a step-type heating mode after the product mixed in the step-type heating mode is completed, wherein the rotating speed is 120r/min, and the time is 2-3 h;
and fourthly, transferring the mixture prepared in the third step into a double-screw extruder, and carrying out extrusion, cooling and granulation on the mixture.
Example 2
The nylon nano material is composed of the following raw materials: 110g of nylon resin, 12g of phenolic resin, 10g of glass fiber, 3.5g of nano-mineral grains, 3g of EMAC polymer and 4ml of solubilizer.
The preparation method comprises the following steps:
firstly, carrying out load bearing selection on nylon resin, phenolic resin, glass fiber, nano-mineral grains and EMAC polymer according to a proportion, then feeding the materials into a reaction kettle, stirring and mixing for 2-4min, wherein the rotating speed is 63 r/min;
secondly, adding a solubilizer into the mixture mixed in the step one, and stirring the mixture in the reaction kettle at the rotating speed of 90r/min for 25 min;
thirdly, continuously stirring the product prepared in the reaction kettle in a step-type heating mode after the product mixed in the step-type heating mode is completed, wherein the rotating speed is 120r/min, and the time is 2-3 h;
and fourthly, transferring the mixture prepared in the third step into a double-screw extruder, and carrying out extrusion, cooling and granulation on the mixture.
Example 3
The nylon nano material is composed of the following raw materials: 115g of nylon resin, 8g of phenolic resin, 5g of glass fiber, 6g of nano-mineral grains, 1.5g of EMAC polymer and 2g of solubilizer.
The preparation method comprises the following steps:
firstly, carrying out load bearing selection on nylon resin, phenolic resin, glass fiber, nano-mineral grains and EMAC polymer according to a proportion, then feeding the materials into a reaction kettle, stirring and mixing for 2-4min, wherein the rotating speed is 63 r/min;
secondly, adding a solubilizer into the mixture mixed in the step one, and stirring the mixture in the reaction kettle at the rotating speed of 90r/min for 25 min;
thirdly, continuously stirring the product prepared in the reaction kettle in a step-type heating mode after the product mixed in the step-type heating mode is completed, wherein the rotating speed is 120r/min, and the time is 2-3 h;
and fourthly, transferring the mixture prepared in the third step into a double-screw extruder, and carrying out extrusion, cooling and granulation on the mixture.
Comparative examples
A product made of a nylon material which is currently on the market is purchased, and a small part is cut out as a practical material.
Examples of the experiments
The modified nylon materials prepared in the embodiments 1, 2 and 3 of the present invention are selected respectively, and are respectively detected and compared with the nylon materials in the comparative embodiments for impact resistance, corrosion resistance, high temperature resistance and toughness strength, and the comparison results are as follows:
| example 1 | Example 2 | Example 3 | Comparative examples | |
| Tensile Strength (MPa) | 91 | 90 | 93 | 84 |
| Compressive Strength (MPa) | 92 | 89 | 90 | 82 |
| Heat distortion temperature (. degree. C.) | 215 | 212 | 210 | 182 |
| Coefficient of friction | 0.29 | 0.26 | 0.28 | 0.20 |
| Corrosion resistance (acid detection, alkali detection) | Good effect | Good effect | Good effect | In general |
From the above table, the modified nylon material provided by the present invention has superior performance to the nylon materials sold in the market at present.
In conclusion, the nylon material is modified, so that the abrasion resistance, the mechanical property, the thermal property, the barrier property and the corrosion resistance of the nylon material are optimized, the problem of deformation caused by friction heating or overhigh external temperature is solved, the solubilizer added during material mixing is matched with a stepped heating mode, an important factor is played in the material modification process, the superior performance of the prepared material is ensured, and the problem of poor dispersion performance in a modified matrix is solved.
The reference object of the corrosion resistance test described above is a comparative example, and the data obtained by comparing the data obtained by the experiment of the three embodiments with the data of the material in the comparative example are obtained separately.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The nylon nano material is characterized by comprising the following raw materials: 80-120 parts of nylon resin, 5-15 parts of phenolic resin, 3-20 parts of glass fiber, 3-7 parts of nano-mineral crystal grains, 2-4 parts of EMAC polymer and 2-6 parts of solubilizer;
the parts are in g/ml as weight/volume unit.
2. The nylon nanomaterial as claimed in claim 1, wherein the nylon nanomaterial consists of the following raw materials: 85 parts of nylon resin, 6 parts of phenolic resin, 12 parts of glass fiber, 4 parts of nano-mineral crystal grain, 2.5 parts of EMAC polymer and 2.4 parts of solubilizer.
3. The nylon nanomaterial as claimed in claim 1, wherein the nylon nanomaterial consists of the following raw materials: 110 parts of nylon resin, 12 parts of phenolic resin, 10 parts of glass fiber, 3.5 parts of nano-mineral crystal grains, 3 parts of EMAC polymer and 4 parts of solubilizer.
4. The nylon nanomaterial as claimed in claim 1, wherein the nylon nanomaterial consists of the following raw materials: 115 parts of nylon resin, 8 parts of phenolic resin, 5 parts of glass fiber, 6 parts of nano-mineral crystal grain, 1.5 parts of EMAC polymer and 2 parts of solubilizer.
5. Nylon nanomaterial according to claim 1, characterized in that the solubilizer is in particular RPS2。
6. The nylon nanomaterial of claim 1, wherein the EMAC polymer is prepared from methyl methacrylate and a comonomer of styrene at a ratio of 10: 1.5.
7. The preparation method for producing and processing the nylon nano-material according to any one of claims 1 to 4, characterized in that the preparation method for the nylon nano-material comprises the following steps:
(1) carrying out load bearing on nylon resin, phenolic resin, glass fiber, nano-mineral grains and EMAC polymer according to a proportion, and then stirring and mixing the materials in a reaction kettle for 2-4min at a rotating speed of 63 r/min;
(2) adding a solubilizer into the mixture mixed in the step one, and stirring the mixture in a reaction kettle at the rotating speed of 90r/min for 25 min;
(3) continuously stirring the product prepared in the reaction kettle in a step-type heating mode after the product mixed in the step two is finished, wherein the rotating speed is 120r/min, and the time is 2-3 h;
(4) and (4) transferring the mixture prepared in the step three into a double-screw extruder, and carrying out extrusion, cooling and granulation.
8. The method for preparing nylon nano-material according to claim 7, wherein the step heating in the third step is specifically heating in a manner of 25 ℃ per gradient, the highest temperature is 240 ℃, and the total time consumption is 1-1.2 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316449.8A CN111647267A (en) | 2019-12-19 | 2019-12-19 | Preparation method for producing and processing nylon nano material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911316449.8A CN111647267A (en) | 2019-12-19 | 2019-12-19 | Preparation method for producing and processing nylon nano material |
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| CN111647267A true CN111647267A (en) | 2020-09-11 |
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| CN201911316449.8A Withdrawn CN111647267A (en) | 2019-12-19 | 2019-12-19 | Preparation method for producing and processing nylon nano material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044197A (en) * | 2022-06-27 | 2022-09-13 | 江苏建鼎工程塑料有限公司 | Nylon engineering plastic material and preparation method thereof |
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2019
- 2019-12-19 CN CN201911316449.8A patent/CN111647267A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044197A (en) * | 2022-06-27 | 2022-09-13 | 江苏建鼎工程塑料有限公司 | Nylon engineering plastic material and preparation method thereof |
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Application publication date: 20200911 |