CN113214640A - Preparation method of super-toughness composite modified nylon master batch - Google Patents
Preparation method of super-toughness composite modified nylon master batch Download PDFInfo
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- CN113214640A CN113214640A CN202110549714.8A CN202110549714A CN113214640A CN 113214640 A CN113214640 A CN 113214640A CN 202110549714 A CN202110549714 A CN 202110549714A CN 113214640 A CN113214640 A CN 113214640A
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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
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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Abstract
The invention discloses a preparation method of super-toughness composite modified nylon master batch, which comprises the following steps: s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage; s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture; and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch. The super-toughness composite modified nylon master batch prepared by the scientific and reasonable process has super-toughness, so that the super-toughness composite modified nylon master batch has excellent puncture resistance, is simple in process and can be better produced and applied in a large scale.
Description
Technical Field
The invention relates to the technical field of nylon material modification, in particular to a preparation method of a super-toughness composite modified nylon master batch.
Background
Nylon is the first synthetic fiber to appear in the world, and nylon is a term for polyamide fiber (chinlon). The appearance of nylon makes the appearance of the textile brand-new, and the synthesis of the nylon is a great breakthrough of the synthetic fiber industry and is also a very important milestone of high polymer chemistry.
The nylon product made of the traditional nylon master batch can not meet the requirements on occasions requiring ultra-strong toughness and excellent puncture resistance, and therefore, a preparation method of the ultra-toughness composite modified nylon master batch is provided to solve the existing problems.
Disclosure of Invention
The invention aims to provide a preparation method of a super-toughness composite modified nylon master batch, and the super-toughness composite modified nylon master batch prepared by a scientific and reasonable process has super-toughness, so that the super-toughness composite modified nylon master batch has excellent puncture resistance, is simple in process, and can be better produced and applied on a large scale so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation method of super-toughness composite modified nylon master batch comprises the following steps:
s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage;
s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture;
and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch.
Preferably, the preparation method of the super-toughness composite modified nylon master batch disclosed by the invention comprises the following steps of:
the preparation method of the super-toughness composite modified nylon master batch is preferable, the viscosity of the PA6 is 2.4-2.8, and the viscosity of the PA66 is 2.6-3.2.
Preferably, the toughening agent is one or a combination of maleic anhydride grafted ethylene-vinyl acetate copolymer, maleic anhydride grafted ethylene-olefin copolymer, maleic anhydride grafted polyethylene and maleic anhydride-styrene copolymer.
Preferably, the preparation method of the super-tough composite modified nylon master batch is that the nano inorganic reinforcing material is one or a combination of inorganic oxide nano materials and polymer inorganic nano materials.
Preferably, the preparation method of the super-toughness composite modified nylon master batch provided by the invention comprises the following steps of adding a coupling agent, a dispersing agent and a lubricating agent, wherein the mass ratio of the coupling agent to the dispersing agent to the lubricating agent is 6:4: 3.
Preferably, the preparation method of the super-toughness composite modified nylon master batch is that the coupling agent is a silane coupling agent; the dispersant is aliphatic amide dispersant.
Preferably, the lubricant is a composition of one or more of polysiloxane, silicone powder and erucamide.
The preparation method of the super-toughness composite modified nylon master batch is preferable, the first high-speed stirring and mixing speed of the mixer in the S2 is 180-260 r/min, the mixing time is 5-15 min, the second high-speed stirring and mixing speed is 300-400 r/min, and the mixing time is 20-60 min.
Preferably, the screw rotating speed of the double-screw extruder in S3 is 180-240 r/min, and the extrusion temperature is 205-285 ℃.
Compared with the prior art, the invention has the beneficial effects that:
the super-toughness composite modified nylon master batch prepared by the scientific and reasonable process has super-toughness, so that the super-toughness composite modified nylon master batch has excellent puncture resistance, is simple in process and can be better produced and applied in a large scale.
Drawings
FIG. 1 is a schematic flow diagram of a preparation method of a super-tough composite modified nylon master batch of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
A preparation method of super-toughness composite modified nylon master batch comprises the following steps:
s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage;
s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture;
and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch.
As a technical preferred scheme of the invention, the formula of the super-toughness composite modified nylon master batch is as follows in percentage by mass: 40.0 percent of PA6, 38.0 percent of PA66, 10 percent of toughening agent, 5 percent of nano inorganic reinforcing material and 7.0 percent of functional additive.
In a preferred embodiment of the present invention, the viscosity of PA6 is 2.4, and the viscosity of PA66 is 2.6.
As a technical preferable scheme of the invention, the toughening agent is maleic anhydride grafted ethylene-vinyl acetate copolymer.
In a preferred embodiment of the present invention, the nano inorganic reinforcing material is an inorganic oxide nano material.
As a technical preferable scheme of the invention, the functional additive comprises a coupling agent, a dispersing agent and a lubricant, and the mass ratio of the coupling agent to the dispersing agent to the lubricant is 6:4: 3.
As a technical preferable scheme of the invention, the coupling agent is a silane coupling agent; the dispersant is aliphatic amide dispersant.
In a preferred embodiment of the present invention, the lubricant is a polysiloxane.
In a preferred embodiment of the present invention, the mixer in S2 has a first high-speed stirring and mixing speed of 180r/min, a mixing time of 5min, a second high-speed stirring and mixing speed of 300 to r/min, and a mixing time of 20 min.
As a technical preferable scheme of the invention, the screw rotating speed of the double-screw extruder in S3 is 180r/min, and the extrusion temperature is 205 ℃.
Example 2
A preparation method of super-toughness composite modified nylon master batch comprises the following steps:
s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage;
s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture;
and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch.
As a technical preferred scheme of the invention, the formula of the super-toughness composite modified nylon master batch is as follows in percentage by mass: PA6 with the content of 55%, PA66 with the content of 30%, a toughening agent with the content of 8%, a nano inorganic reinforcing material with the content of 3% and a functional additive with the content of 4%.
In a preferred embodiment of the present invention, the viscosity of PA6 is 2.6, and the viscosity of PA66 is 2.8.
As a technical preferable scheme of the invention, the toughening agent is a composition of a maleic anhydride grafted ethylene-vinyl acetate copolymer and a maleic anhydride grafted ethylene-olefin copolymer, and the mass ratio is 2: 1.
In a preferred embodiment of the present invention, the nano inorganic reinforcing material is a polymer inorganic nano material.
As a technical preferable scheme of the invention, the functional additive comprises a coupling agent, a dispersing agent and a lubricant, and the mass ratio of the coupling agent to the dispersing agent to the lubricant is 6:4: 3.
As a technical preferable scheme of the invention, the coupling agent is a silane coupling agent; the dispersant is aliphatic amide dispersant.
In a preferred embodiment of the present invention, the lubricant is a composition of polysiloxane and silicone powder, and the mass ratio is 1: 1.
In a preferred embodiment of the present invention, the mixer in S2 has a first high-speed stirring and mixing speed of 220r/min, a mixing time of 10min, a second high-speed stirring and mixing speed of 350r/min, and a mixing time of 40 min.
As a technical preferable scheme of the invention, the screw rotating speed of the double-screw extruder in S3 is 210r/min, and the extrusion temperature is 245 ℃.
Example 3
A preparation method of super-toughness composite modified nylon master batch comprises the following steps:
s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage;
s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture;
and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch.
As a technical preferred scheme of the invention, the formula of the super-toughness composite modified nylon master batch is as follows in percentage by mass: 70.0 percent of PA6, 20 percent of PA66, 6 percent of toughening agent, 2 percent of nano inorganic reinforcing material and 2 percent of functional additive.
In a preferred embodiment of the present invention, the viscosity of PA6 is 2.8, and the viscosity of PA66 is 3.2.
As a technical preferable scheme of the invention, the toughening agent is a composition of a maleic anhydride grafted ethylene-vinyl acetate copolymer, a maleic anhydride grafted ethylene-olefin copolymer and a maleic anhydride-styrene copolymer, and the mass ratio is 1:1: 2.
In a preferred embodiment of the present invention, the nano inorganic reinforcing material is a composition of an inorganic oxide nano material and a polymer inorganic nano material, and the mass ratio is 1: 1.
As a technical preferable scheme of the invention, the functional additive comprises a coupling agent, a dispersing agent and a lubricant, and the mass ratio of the coupling agent to the dispersing agent to the lubricant is 6:4: 3.
As a technical preferable scheme of the invention, the coupling agent is a silane coupling agent; the dispersant is aliphatic amide dispersant.
As a technical preferable scheme of the invention, the lubricant is a composition of polysiloxane, silicone powder and erucamide, and the mass ratio is 2:1: 2.
In a preferred embodiment of the present invention, the mixer in S2 has a first high-speed stirring and mixing speed of 260r/min, a mixing time of 15min, a second high-speed stirring and mixing speed of 400r/min, and a mixing time of 60 min.
As a technical preferable scheme of the invention, the screw rotating speed of the twin-screw extruder in S3 is 240r/min, and the extrusion temperature is 285 ℃.
The formula and the mass percentage of the super-tough composite modified nylon master batch in each embodiment are as follows:
the ultra-toughness composite modified nylon master batch obtained in the embodiment is prepared into a nylon tape of 10 cm, and then the nylon tape is compared with the nylon tape of 10 cm in market in terms of puncture resistance, and the results are shown in the following table:
| examples | Puncture resistance (N) |
| Example 1 Nylon strips | 62 |
| Example 2 Nylon strips made | 68 |
| Example 3 Nylon strips | 71 |
| Nylon strip on market | 45 |
In conclusion, the super-toughness composite modified nylon master batch prepared by the scientific and reasonable process has super-toughness, so that the super-toughness composite modified nylon master batch has excellent puncture resistance, is simple in process and can be better produced and applied in a large scale.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The preparation method of the super-toughness composite modified nylon master batch is characterized by comprising the following steps:
s1, weighing PA6, PA66, a toughening agent, a nano inorganic reinforcing material and a functional additive which are used for preparing the super-toughness composite modified nylon master batch according to mass percentage;
s2, adding PA6, PA66, a toughening agent and a functional additive into a mixer for primary high-speed stirring and mixing, and adding a nano inorganic reinforcing material into the mixer for secondary high-speed stirring and mixing to obtain a mixture;
and S3, adding the mixture into a double-screw extruder, carrying out melt blending extrusion through the double-screw extruder, and then carrying out water-cooling granulation and vacuum drying to obtain the super-toughness composite modified nylon master batch.
2. The method for preparing the super-tough composite modified nylon master batch as claimed in claim 1, wherein the formula of the super-tough composite modified nylon master batch comprises the following components in percentage by mass:
3. the preparation method of the super-tough composite modified nylon master batch as claimed in claim 2, wherein the preparation method comprises the following steps: the viscosity of the PA6 is 2.4-2.8, and the viscosity of the PA66 is 2.6-3.2.
4. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 2, wherein the preparation method comprises the following steps: the toughening agent is one or a composition of more of maleic anhydride grafted ethylene-vinyl acetate copolymer, maleic anhydride grafted ethylene-olefin copolymer, maleic anhydride grafted polyethylene and maleic anhydride-styrene copolymer.
5. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 2, wherein the preparation method comprises the following steps: the nano inorganic reinforcing material is one or a composition of two of inorganic oxide nano materials and polymer inorganic nano materials.
6. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 2, wherein the preparation method comprises the following steps: the functional additive comprises a coupling agent, a dispersing agent and a lubricant, and the mass ratio of the coupling agent to the dispersing agent to the lubricant is 6:4: 3.
7. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 6, wherein the preparation method comprises the following steps: the coupling agent is a silane coupling agent; the dispersant is aliphatic amide dispersant.
8. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 6, wherein the preparation method comprises the following steps: the lubricant is one or more of polysiloxane, silicone powder and erucamide.
9. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 1, wherein the preparation method comprises the following steps: the first high-speed stirring and mixing speed of the mixer in the S2 is 180-260 r/min, the mixing time is 5-15 min, the second high-speed stirring and mixing speed is 300-400 r/min, and the mixing time is 20-60 min.
10. The preparation method of the super-tough composite modified nylon master batch as claimed in claim 1, wherein the preparation method comprises the following steps: the screw rotating speed of the double-screw extruder in the S3 is 180-240 r/min, and the extrusion temperature is 205-285 ℃.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532867A (en) * | 2010-12-17 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Conductive nylon material and preparation method thereof |
| CN103242649A (en) * | 2012-02-06 | 2013-08-14 | 金发科技股份有限公司 | Glass fiber reinforced nylon material used for extrusion molding, preparation method and application |
| CN106810852A (en) * | 2015-11-30 | 2017-06-09 | 合肥杰事杰新材料股份有限公司 | Composition of a kind of fiberglass reinforced PA 6 and preparation method thereof |
| CN109517369A (en) * | 2017-09-20 | 2019-03-26 | 张洪生 | Rapid shaping nylon masterbatch and the preparation method and application thereof |
-
2021
- 2021-05-20 CN CN202110549714.8A patent/CN113214640A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532867A (en) * | 2010-12-17 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Conductive nylon material and preparation method thereof |
| CN103242649A (en) * | 2012-02-06 | 2013-08-14 | 金发科技股份有限公司 | Glass fiber reinforced nylon material used for extrusion molding, preparation method and application |
| CN106810852A (en) * | 2015-11-30 | 2017-06-09 | 合肥杰事杰新材料股份有限公司 | Composition of a kind of fiberglass reinforced PA 6 and preparation method thereof |
| CN109517369A (en) * | 2017-09-20 | 2019-03-26 | 张洪生 | Rapid shaping nylon masterbatch and the preparation method and application thereof |
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