CN110951243A - Self-lubricating composite nylon material and preparation method thereof - Google Patents
Self-lubricating composite nylon material and preparation method thereof Download PDFInfo
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- CN110951243A CN110951243A CN201911232406.1A CN201911232406A CN110951243A CN 110951243 A CN110951243 A CN 110951243A CN 201911232406 A CN201911232406 A CN 201911232406A CN 110951243 A CN110951243 A CN 110951243A
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
- C08J2483/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/08—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
- 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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- 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
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- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the technical field of nylon production, in particular to a self-lubricating composite nylon material which comprises the following raw materials in parts by weight: 2-15 parts of calcium carbonate, 0.5-1.5 parts of emulsion A50-70 parts of emulsion B50-70 parts of nylon particles, 90-110 parts of nylon particles, 0.5-1.5 parts of lubricant and 100 parts of water, wherein the emulsion A is amino silicone oil emulsion, the ammonia value content of the emulsion A is 30 percent, the emulsion B is amino silicone oil microemulsion, the ammonia value content of the emulsion B is 1 percent, the nylon particles are BASF nylon, and the lubricant is erucamide, and the invention also relates to a preparation method of the lubricating composite nylon material, which comprises the following steps: adding 50-70 parts of emulsion A and 2-15 parts of calcium carbonate into a stirrer, stirring and mixing, adding 50-70 parts of emulsion B into the stirrer after uniformly mixing, and stirring for thirty minutes. The nylon material prepared by the invention has excellent tribological property and self-lubricating property, and has good dimensional stability and heat resistance, easy processing, high cost performance and good compatibility.
Description
Technical Field
The invention relates to the technical field of nylon production, in particular to a self-lubricating composite nylon material and a preparation method thereof.
Background
Nylon is the first synthetic fiber appearing in the world, the appearance of nylon enables the appearance of textiles to be novel, the synthesis of the nylon is a major breakthrough of the synthetic fiber industry, and is also a very important milestone of high-molecular chemistry, polyamide is commonly called nylon, is a general name of thermoplastic resin containing a repeated amide group- (NHCO) -on a molecular main chain, and comprises aliphatic PA, aliphatic-aromatic PA and aromatic PA, wherein the aliphatic PA has many varieties, high yield and wide application, and the name is determined by the specific carbon atom number of a synthetic monomer.
Due to the reasons of economy, ecological environment, technology and the like, the technology of the self-lubricating material is the development trend of the current lubricating technology, the development of the self-lubricating composite material with high mechanical strength and good friction performance becomes an important hotspot in the field of tribology, nylon is one of the plastics which are used as the self-lubricating material at first, and the nylon has excellent mechanical property, wear resistance, heat resistance and electric insulation, but has the defects of inconvenient processing of the material and low cost performance.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a self-lubricating composite nylon material and a preparation method thereof, which have the advantages of high cost performance and the like and solve the problems of inconvenient processing and low cost performance.
(II) technical scheme
In order to realize the purposes of inconvenient processing and low cost performance, the invention provides the following technical scheme: a self-lubricating composite nylon preparation material comprises the following raw materials in parts by weight: 2-15 parts of calcium carbonate, 50-70 parts of emulsion A, 50-70 parts of emulsion B, 90-110 parts of nylon particles, 0.5-1.5 parts of lubricant and 100 parts of water.
Preferably, the emulsion A is an amino silicone oil emulsion, and the ammonia value content of the emulsion A is 30%.
Preferably, the emulsion B is amino silicone oil microemulsion, and the ammonia value content of the emulsion B is 1%.
Preferably, the nylon particles are basf nylon.
Preferably, the lubricant is erucamide.
The invention aims to solve another technical problem of providing a preparation method of a self-lubricating composite nylon material, which comprises the following steps:
1) the emulsion A50-70 parts and calcium carbonate 2-15 parts are put into a stirrer to be stirred and mixed.
2) After the mixture was mixed uniformly, 50 to 70 parts of emulsion B was put into a stirrer and stirred for thirty minutes.
3) Then 90-110 parts of nylon particles are added into the stirrer, and the stirring is continued for thirty minutes.
4) And (3) dishing the substance obtained in the stirrer, adding 0.5-1.5 parts of lubricant, then putting the substance into an oven, and taking out the substance after agglomeration.
5) And C, smashing and stirring the substances obtained in the fourth step, putting the smashed and stirred substances into an injection molding machine, and performing injection molding on the granules to obtain the self-lubricating composite nylon material.
6) And soaking the composite nylon material obtained in the step five in the emulsion C for 10-12 hours, taking out the composite nylon material, drying, packaging and warehousing.
Preferably, the rotating speed of the roller in the stirrer is 1000-3000 r/min.
Preferably, the drying temperature in the fourth step is 90-100 ℃, and the drying time is 12-14 hours.
Preferably, emulsion C is a mixture of 100 parts water and 30 parts emulsion B.
(III) advantageous effects
Compared with the prior art, the invention provides a self-lubricating composite nylon material and a preparation method thereof, and the self-lubricating composite nylon material has the following beneficial effects:
1. the nylon material prepared by the invention has excellent tribological property and self-lubricating property, and has good dimensional stability and heat resistance, easy processing, high cost performance and good compatibility.
2. According to the self-lubricating composite nylon material and the preparation method thereof, calcium carbonate is used as the filling master batch through the arrangement of the calcium carbonate, the price is low, gaps in the product can be filled better, the fluidity is improved, the mold filling is easy, powerful support is provided for the performance of the product, in addition, the friction coefficient of the product can be reduced, and the apparent smoothness of the product is improved.
3. According to the self-lubricating composite nylon material and the preparation method thereof, the lubricant is erucamide, so that the dynamic and static friction coefficients of the surface of the nylon material can be obviously reduced, and the wear resistance and the self-lubricating property of the nylon material are improved.
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.
A self-lubricating composite nylon preparation material comprises the following raw materials in parts by weight: 2-15 parts of calcium carbonate, 50-70 parts of emulsion A, 50-70 parts of emulsion B, 90-110 parts of nylon particles, 0.5-1.5 parts of lubricant and 100 parts of water.
Emulsion A is amino silicone oil emulsion, the ammonia value content of emulsion A is 30%, emulsion B is amino silicone oil microemulsion, the ammonia value content of emulsion B is 1%, nylon particles are BASF nylon, and lubricant is erucamide.
The first embodiment is as follows:
a preparation method of self-lubricating composite nylon comprises the following steps:
1) the emulsion A50 parts and 6 parts of calcium carbonate were put in a mixer and mixed.
2) After the mixture is uniformly mixed, 50 parts of emulsion B are put into a stirrer, the rotating speed of a roller in the stirrer is 1000-3000r/min, and the stirring is carried out for thirty minutes.
3) Then, 90 parts of nylon particles were added to the mixer, and the mixture was further stirred for thirty minutes.
4) And (3) dishing the substances obtained in the stirrer, adding 0.5 part of lubricant, then putting the materials into an oven, drying at 90-100 ℃ for 12-14 hours, and taking out the materials after agglomeration.
5) And C, smashing and stirring the substances obtained in the fourth step, putting the smashed and stirred substances into an injection molding machine, and performing injection molding on the granules to obtain the self-lubricating composite nylon material.
6) And soaking the composite nylon material obtained in the step five in emulsion C, wherein the emulsion C is formed by mixing 100 parts of water and 30 parts of emulsion B, the soaking time is 1-12 hours, and the composite nylon material is taken out, dried, packaged and warehoused.
Example two:
a preparation method of self-lubricating composite nylon comprises the following steps:
1) the emulsion A60 parts and 6 parts of calcium carbonate were put in a mixer and mixed.
2) After the mixture is uniformly mixed, 60 parts of emulsion B are put into a stirrer, the rotating speed of a roller in the stirrer is 1000-3000r/min, and the stirring is carried out for thirty minutes.
3) Then, 100 parts of nylon particles were added to the mixer, and the mixture was further stirred for thirty minutes.
4) And (3) dishing the substance obtained in the stirrer, adding 1 part of lubricant, then putting the substance into an oven, drying at 90-100 ℃ for 12-14 hours, and taking out the substance after agglomeration.
5) And C, smashing and stirring the substances obtained in the fourth step, putting the smashed and stirred substances into an injection molding machine, and performing injection molding on the granules to obtain the self-lubricating composite nylon material.
6) And soaking the composite nylon material obtained in the step five in emulsion C, wherein the emulsion C is formed by mixing 100 parts of water and 30 parts of emulsion B, the soaking time is 2-12 hours, and the composite nylon material is taken out, dried, packaged and warehoused.
Example three:
a preparation method of self-lubricating composite nylon comprises the following steps:
1) the emulsion A70 parts and 12 parts of calcium carbonate were put in a mixer and mixed.
2) After the mixture is uniformly mixed, 70 parts of emulsion B are put into a stirrer, the rotating speed of a roller in the stirrer is 1000-3000r/min, and the stirring is carried out for thirty minutes.
3) Then, 110 parts of nylon particles were added to the mixer, and the mixture was further stirred for thirty minutes.
4) And (3) dishing the substances obtained in the stirrer, adding 1.5 parts of lubricant, then putting the materials into an oven, drying at 90-100 ℃ for 12-14 hours, and taking out the materials after agglomeration.
5) And C, smashing and stirring the substances obtained in the fourth step, putting the smashed and stirred substances into an injection molding machine, and performing injection molding on the granules to obtain the self-lubricating composite nylon material.
6) And soaking the composite nylon material obtained in the step five in emulsion C, wherein the emulsion C is formed by mixing 100 parts of water and 30 parts of emulsion B, the soaking time is 3-12 hours, and the composite nylon material is taken out, dried, packaged and warehoused.
The nylon material prepared by the invention has excellent tribological property and self-lubricating property, and has good dimensional stability and heat resistance, easy processing, high cost performance and good compatibility.
Through the setting of calcium carbonate, calcium carbonate uses as the filling masterbatch, and low price can be better with the gap filling in the product, improves mobility and easily fills the mould, provides powerful support for the performance of product, can also reduce the coefficient of friction improvement product apparent smooth finish in addition.
Through the arrangement of the lubricant, the lubricant is erucamide, so that the dynamic and static friction coefficients of the surface of the nylon material can be obviously reduced, and the wear resistance and the self-lubricating property of the nylon material are improved.
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 (9)
1. A self-lubricating composite nylon preparation material is characterized by comprising the following raw materials in parts by weight: 2-15 parts of calcium carbonate, 50-70 parts of emulsion A, 50-70 parts of emulsion B, 90-110 parts of nylon particles, 0.5-1.5 parts of lubricant and 100 parts of water.
2. The self-lubricating composite nylon preparation material of claim 1, wherein the emulsion a is an amino silicone oil emulsion, and the ammonia value content of the emulsion a is 30%.
3. The self-lubricating composite nylon preparation material of claim 1, wherein the emulsion B is amino silicone oil microemulsion, and the ammonia value content of the emulsion B is 1%.
4. The self-lubricating composite nylon-making material of claim 1, wherein the nylon particles are basf nylon.
5. The self-lubricating composite nylon-making material of claim 1, wherein the lubricant is erucamide.
6. The preparation method of the self-lubricating composite nylon is characterized by comprising the following steps:
1) adding 50-70 parts of emulsion A and 2-15 parts of calcium carbonate into a stirrer, and stirring and mixing;
2) after the mixture is uniformly mixed, adding 50-70 parts of emulsion B into a stirrer, and stirring for thirty minutes;
3) then adding 90-110 parts of nylon particles into the stirrer, and continuously stirring for thirty minutes;
4) loading the substances obtained in the stirrer into a tray, adding 0.5-1.5 parts of lubricant, then putting the mixture into an oven, and taking out the mixture after agglomeration;
5) crushing and stirring the substances obtained in the fourth step, and then putting the crushed and stirred substances into an injection molding machine, and performing injection molding on the granules to obtain a self-lubricating composite nylon material;
6) and soaking the composite nylon material obtained in the step five in the emulsion C for 10-12 hours, taking out the composite nylon material, drying, packaging and warehousing.
7. The method as claimed in claim 6, wherein the rotation speed of the drum in the blender is 1000-3000 r/min.
8. The method for preparing self-lubricating composite nylon according to claim 6, wherein the drying temperature in the fourth step is 90-100 ℃ and the drying time is 12-14 hours.
9. The method for preparing self-lubricating composite nylon according to claim 6, wherein the emulsion C is prepared by mixing 100 parts of water and 30 parts of the emulsion B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232406.1A CN110951243A (en) | 2019-12-05 | 2019-12-05 | Self-lubricating composite nylon material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232406.1A CN110951243A (en) | 2019-12-05 | 2019-12-05 | Self-lubricating composite nylon material and preparation method thereof |
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| CN110951243A true CN110951243A (en) | 2020-04-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112952A (en) * | 2001-10-03 | 2003-04-18 | Nitto Boseki Co Ltd | Sizing agent for glass fiber containing magnesium chloride |
| CN102898827A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | Self-lubricating abrasion-resistant injection-molding grade nylon 66 and preparation technology thereof |
| CN103627314A (en) * | 2013-10-22 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Acid and alkali resistant heat preserving panel coating and preparation method |
| CN104804419A (en) * | 2015-04-22 | 2015-07-29 | 合肥康龄养生科技有限公司 | Nylon composite with lower friction coefficient and excellent lubricity 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 |
-
2019
- 2019-12-05 CN CN201911232406.1A patent/CN110951243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112952A (en) * | 2001-10-03 | 2003-04-18 | Nitto Boseki Co Ltd | Sizing agent for glass fiber containing magnesium chloride |
| CN102898827A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | Self-lubricating abrasion-resistant injection-molding grade nylon 66 and preparation technology thereof |
| CN103627314A (en) * | 2013-10-22 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Acid and alkali resistant heat preserving panel coating and preparation method |
| CN104804419A (en) * | 2015-04-22 | 2015-07-29 | 合肥康龄养生科技有限公司 | Nylon composite with lower friction coefficient and excellent lubricity 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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