CN109082112A - A kind of polyimide modified nylon dragon composition and preparation method thereof - Google Patents
A kind of polyimide modified nylon dragon composition and preparation method thereof Download PDFInfo
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- CN109082112A CN109082112A CN201710448900.6A CN201710448900A CN109082112A CN 109082112 A CN109082112 A CN 109082112A CN 201710448900 A CN201710448900 A CN 201710448900A CN 109082112 A CN109082112 A CN 109082112A
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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
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
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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
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/06—Polyamides derived from polyamines and polycarboxylic acids
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- 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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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to technical field of macromolecules, more particularly to a kind of polyimide modified nylon dragon composition and preparation method thereof, polyimide modified nylon dragon composition, it is made of following components by its parts by weight: 54-90 parts of nylon66 fiber, polyimide modified glass fibre 5-45 parts, 1-5 parts of odor adsorption master batch, 0.1-0.2 parts of silicon carbide, 0.2-1.0 parts of lubricant, 0.1-1 parts of antioxidant, the polyimide modified glass fibre is the glass fibre after polyimides dispersion liquid impregnation；Present invention employs the glass fibres of impregnation, glass fibre is obviously improved in the dispersibility of nylon66 fiber matrix, while being cooperated using extraordinary odor adsorption master batch, have low smell, it is low distribute, anti-wear agent additive amount it is few, the advantages of wear-resisting protrusion, mechanical property significantly improves.
Description
Technical field
The present invention relates to technical field of macromolecules, in particular to a kind of polyimide modified nylon dragon composition and its preparation side
Method.
Background technique
The appearance of nylon66 fiber is milky to faint yellow, and feature is toughness, antidetonation, there is higher mechanical strength and heat-resisting
Property, shock strength is preferable, and fusing point is higher, and moulding processability is good, is widely used in manufacture machinery, automobile, chemistry and electric device
Part, as impeller in gear, roller, pulley, roll shaft, the pump housing, fan blade, high pressure sealing are enclosed, valve seat, gasket, bushing, each
Kind handle, support frame, electric wire packet internal layer etc..
Although nylon66 fiber has many excellent performances, in the more demanding field of some pairs of smells, wear-resisting properties, Buddhist nun
The application of dragon 66 will receive very big limitation.Therefore need to further decrease its smell, coefficient of friction and wear rate, this is just needed
It is realized by the modification of nylon66 fiber.
Summary of the invention
The purpose of the present invention is to provide a kind of polyimide modified nylon dragon compositions and preparation method thereof, so that nylon66 fiber
Outstanding mechanical property is kept, while improving wearability, the advantage with low smell.
To achieve the above object, the invention adopts the following technical scheme:
A kind of polyimide modified nylon dragon composition is made of following components by its parts by weight:
The polyimide modified glass fibre is the glass fibre after polyimides dispersion liquid impregnation, the gas
Taste absorption master batch is composed of the following parts by weight: 100 parts of nylon66 fiber, 5 parts of hydrophobicity diatomite, hydrophobic active charcoal 5
Part, 5 parts of needle-shaped zeolite molecular sieve, 5 parts of zinc ricinate, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine.
Further, the lubricant is silicone powder, the one or more of white oil, silicone oil, paraffin, stearic acid, zinc stearate
Mixture.
Further, the antioxidant is (four [β-(3, the 5- di-tert-butyl-hydroxy phenyl) propionic acid] seasons of antioxidant 1098
Doutrate) and irgasfos 168 (phosphorous acid three (2,4- di-tert-butyl-phenyl) ester) mixture.
Further, the polyimides dispersion liquid is that the polyimide resin that average grain diameter is 0.1-0.2 μm is suspended in liquid
The colloidal solution formed in state water, the viscosity of the colloidal solution is 0.05Pas, concentration 60wt%.
Invention also provides a kind of preparation methods of polyimide modified nylon dragon composition, comprising the following steps:
1) it will be immersed in polyimides dispersion liquid after glass fibre cleaning, drying, then take out drying and dried at 350 DEG C
It trains, be sintered to obtain polyimide modified glass fibre；
2) 100 parts of nylon66 fiber, 5 parts of hydrophobicity diatomite, 5 parts of hydrophobic active charcoal, 5 parts of needle-shaped zeolite molecular sieve, castor are taken
5 parts of numb zinc oleate, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine are uniformly mixed, then in twin-screw extrusion
Extruding pelletization obtains odor adsorption master batch in machine；
3) parts by weight for pressing each component, nylon66 fiber, odor adsorption master batch, silicon carbide, lubricant and antioxidant are poured into
It is stirred in high-speed mixer, adds twin-screw extrude after mixing；Again by polyimide modified glass fibre from
The glass fiber opening of extruder is added, and is granulated after melting extrusion, and polyimide modified nylon dragon composition is made.
Further, area's temperature of the double screw extruder is 190-225 DEG C, two area's temperature are 275-285 DEG C, 3rd area
Temperature is 275-290 DEG C, four area's temperature are 285-290 DEG C, five area's temperature are 285-300 DEG C, six area's temperature are 285-300 DEG C；
The engine speed of double screw extruder is 250-500rpm.
The present invention have it is following the utility model has the advantages that
1, the present invention carries out impregnation to glass fibre with extraordinary polyimides dispersion liquid, greatly improves glass and exists
The dispersibility of nylon66 fiber matrix, and so that nylon66 fiber obtained is had significant raising in terms of wear-resisting property, and maintain excellent
Different mechanical property.
2, the dosage of silicon carbide of the present invention is down to 0.1-0.2 parts, avoids largely to use and combines physical property caused by silicon carbide
It can degradation；Silicon carbide plays extremely important synergistic effect to composition wear-resisting property.
3, odor adsorption master batch of the present invention uses nylon66 fiber as matrix, when as gas absorption mesh grain, improve its with
The compatibility of fiber, nylon66 fiber ensure that dispersibility of the master batch in composition system.
4, the content of formaldehyde in composition is reduced using extraordinary odor adsorption master batch, keeps total volatile organism TVOC aobvious
Writing reduces；And while guarantee composition low odor characteristics, the moulding processability of every physical and mechanical property, material
It is unaffected.
5, area's temperature of double screw extruder is 190-285 DEG C, two area's temperature are 275-285 DEG C, three area's temperature are
275-290 DEG C, four area's temperature be 285-290 DEG C, five area's temperature are 285-300 DEG C, six area's temperature are 285-300 DEG C；Twin-screw
The engine speed of extruder is 250-500rpm, and this processing temperature, engine speed are able to solve in process, appearance
It is blocked at charging, feeding is unsaturated, and plasticizing is uneven, the technical problems such as overflow.
Specific embodiment
The invention will be further described with reference to embodiments, and purpose, which is only that, is best understood from the object of the invention, and
Unrestricted protection scope of the present invention.
All substances are known commercial product in the embodiment of the present invention, and unit is parts by weight, in each embodiment
Polyimide modified glass fibre and odor adsorption master batch are prepared by following method:
Polyimide modified glass fibre: it will be immersed in polyimides dispersion liquid after glass fibre cleaning, drying, then
Take out dry and baked and banked up with earth at 350 DEG C, be sintered polyimide modified glass fibre (too high or too low temperature can cause glass
Fibre property decline is serious, and polyimide portion jaundice, the degradation of fiber surface are sintered the technical problems such as insufficient, the present invention
Use 350 DEG C for optimum temperature)；Polyimides dispersion liquid is that the polyimide resin that average grain diameter is 0.1-0.2 μm is suspended in
The colloidal solution formed in liquid water, the viscosity of the colloidal solution is 0.05Pas, concentration 60wt%.
The preparation of odor adsorption master batch: 100 parts of nylon66 fiber, 5 parts of hydrophobicity diatomite, 5 parts of hydrophobic active charcoal, needle are taken
5 parts of shape zeolite molecular sieve, 5 parts of zinc ricinate, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine, mixing are equal
Even, then extruding pelletization obtains odor adsorption master batch in double screw extruder.
Embodiment 1
By 70 parts of nylon66 fiber, 3 parts, 0.1 part silicon carbide of odor adsorption master batch, 0.2 part of white oil, 0.3 part of silicone oil, 0.5 part of stone
Wax, 0.5 part of antioxidant, 1098,0.5 parts of irgasfos 168s pour into high-speed mixer, high-speed stirred, mix double to uniformly rear addition
In screw extruder, 5 parts of polyimide modified glass fibre are added from glass fiber opening, is granulated after melting extrusion, low gas is made
Taste, it is low distribute, 66 composition of high abrasion-resistance nylon.
Wherein one area's temperature of double screw extruder is 190 DEG C, and two area's temperature are 275 DEG C, and three area's temperature are 275 DEG C, 4th area
Temperature is 285 DEG C, and five area's temperature are 285 DEG C, and six area's temperature are 285 DEG C；The engine speed of double screw extruder is 250rpm.
Embodiment 2
By 54 parts of nylon66 fiber, 1 part, 0.2 part silicon carbide of odor adsorption master batch, 0.2 part of silicone powder, 0.05 part of antioxidant
1098,0.05 part of irgasfos 168 pours into high-speed mixer, high-speed stirred, mix to uniformly after add twin-screw extrude,
30 parts of polyimide modified glass fibre is added from glass fiber opening, is granulated after melting extrusion, low smell is made, low distribute, is high
66 composition of wear resistant nylon.
Wherein one area's temperature of double screw extruder is 225 DEG C, and two area's temperature are 285 DEG C, and three area's temperature are 290 DEG C, 4th area
Temperature is 290 DEG C, and five area's temperature are 300 DEG C, and six area's temperature are 300 DEG C；The engine speed of double screw extruder is 500rpm.
Embodiment 3
By 90 parts of nylon66 fiber, 5 parts, 0.1 part silicon carbide of odor adsorption master batch, 0.2 part of stearic acid, 0.3 part of zinc stearate,
0.2 part of antioxidant, 1098,0.3 parts of irgasfos 168s pour into high-speed mixer, high-speed stirred, mix to uniformly rear and double spiral shells are added
In bar extruder, 45 parts of polyimide modified glass fibre are added from glass fiber opening, is granulated after melting extrusion, low gas is made
Taste, it is low distribute, 66 composition of high abrasion-resistance nylon.
Wherein one area's temperature of double screw extruder is 200 DEG C, and two area's temperature are 275 DEG C, and three area's temperature are 285 DEG C, 4th area
Temperature is 285 DEG C, and five area's temperature are 290 DEG C, and six area's temperature are 290 DEG C；The engine speed of double screw extruder is 350rpm.
Comparative example 1
Common activated carbon of sorbent and common anti-wear agent molybdenum disulfide are added in comparative example 1；
70 parts of nylon66 fiber, 3 parts, 5 parts molybdenum disulfide of active carbon, 1 part of silicone powder, 0.5 part 1098,0.5 parts of antioxidant are resisted
Oxygen agent 168 is poured into high-speed mixer, high-speed stirred, mix to uniformly after add twin-screw extrude, by glass fibre 25
Part is added from glass fiber opening, is granulated after melting extrusion.
Wherein one area's temperature of double screw extruder is 190 DEG C, and two area's temperature are 275 DEG C, and three area's temperature are 275 DEG C, 4th area
Temperature is 285 DEG C, and five area's temperature are 285 DEG C, and six area's temperature are 285 DEG C；The engine speed of double screw extruder is 250rpm.
To nylon 66 composition prepared by above-described embodiment 1-3 and comparative example 1, its mechanical property, smell etc. are detected respectively
Grade, TVOC and wear-resisting property.Wherein mechanical property is detected using ASTM standard, oder levels, TVOC using GMW standard into
Row detection, wear-resisting property are measured according to standard GB/T 5478-2758, and physical data see the table below 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | |
| Tensile strength MPa | 186 | 209 | 178 | 101 |
| Notch impact strength KJ/m2 | 38 | 42 | 31 | 9 |
| Wearability (750g, 1000r) | 0.04 | 0.04 | 0.05 | 0.38 |
| TVOC ugC/g | 34 | 34 | 30 | 146 |
| Oder levels | 8 grades | 8 grades | 9 grades | 5 grades |
As can be seen from Table 1, addition odor adsorption master batch can be obviously improved the smell and emission characteristics of material, make
Low smell, 66 composition of high abrasion-resistance nylon TVOC be lower than 40ugC/g.In addition, the present invention is using extraordinary polyimides dispersion liquid
Impregnation is carried out to glass fibre, greatly improves glass in the dispersibility of nylon66 fiber matrix, the abrasion of the product of preparation
Index is extremely low, presents excellent wear-resisting property.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (6)
1. a kind of polyimide modified nylon dragon composition, it is characterised in that: be made of following components by its parts by weight:
54-90 parts of nylon66 fiber,
Polyimide modified glass fibre 5-45 parts,
1-5 parts of odor adsorption master batch,
0.1-0.2 parts of silicon carbide,
0.2-1.0 parts of lubricant,
0.1-1 parts of antioxidant,
The polyimide modified glass fibre is the glass fibre after polyimides dispersion liquid impregnation, and the smell is inhaled
Attached master batch is composed of the following parts by weight: 100 parts of nylon66 fiber, 5 parts of hydrophobicity diatomite, 5 parts of hydrophobic active charcoal,
5 parts of needle-shaped zeolite molecular sieve, 5 parts of zinc ricinate, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine.
2. a kind of polyimide modified nylon dragon composition according to claim 1, it is characterised in that: the lubricant is silicon
The mixtures of the one or more of ketone powder, white oil, silicone oil, paraffin, stearic acid, zinc stearate.
3. a kind of polyimide modified nylon dragon composition according to claim 1, it is characterised in that: the antioxidant is
The mixture of antioxidant 1098 and irgasfos 168.
4. a kind of polyimide modified nylon dragon composition according to claim 1, it is characterised in that: the polyimides point
Dispersion liquid is that the polyimide resin that average grain diameter is 0.1-0.2 μm is suspended in the colloidal solution formed in liquid water, the colloid
The viscosity of solution is 0.05Pas, concentration 60wt%.
5. a kind of preparation method of polyimide modified nylon dragon composition according to claim 1, it is characterised in that: including
Following steps:
1) it will be immersed in polyimides dispersion liquid after glass fibre cleaning, drying, then take out and dry and bake and bank up with earth, burn at 350 DEG C
Knot obtains polyimide modified glass fibre；
2) 100 parts of nylon66 fiber, 5 parts of hydrophobicity diatomite, 5 parts of hydrophobic active charcoal, 5 parts of needle-shaped zeolite molecular sieve, castor oil are taken
5 parts of sour zinc, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine are uniformly mixed, then in double screw extruder
Extruding pelletization obtains odor adsorption master batch；
3) nylon66 fiber, odor adsorption master batch, silicon carbide, lubricant and antioxidant are poured into high speed by the parts by weight for pressing each component
It is stirred in blender, adds twin-screw extrude after mixing；Again by polyimide modified glass fibre from extrusion
The glass fiber opening of machine is added, and is granulated after melting extrusion, and polyimide modified nylon dragon composition is made.
6. a kind of preparation method of polyimide modified nylon dragon composition according to claim 5, it is characterised in that: described
One area's temperature of double screw extruder is 190-225 DEG C, two area's temperature are 275-285 DEG C, three area's temperature are 275-290 DEG C, four
Area's temperature is 285-290 DEG C, five area's temperature are 285-300 DEG C, six area's temperature are 285-300 DEG C；The host of double screw extruder
Revolving speed is 250-500rpm.
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| CN201710448900.6A CN109082112A (en) | 2017-06-14 | 2017-06-14 | A kind of polyimide modified nylon dragon composition and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850788A (en) * | 2012-04-27 | 2013-01-02 | 常熟市发东塑业有限公司 | Preparation method of modified high-toughness nylon composite material |
| CN104403313A (en) * | 2014-11-18 | 2015-03-11 | 上海聿衡新材料科技有限公司 | Polyimide composite material and preparation method thereof |
| CN106479170A (en) * | 2015-08-27 | 2017-03-08 | 合肥杰事杰新材料股份有限公司 | A kind of low abnormal smells from the patient, low distribute, high abrasion-proof and high temperature resistant nylon and preparation method thereof |
-
2017
- 2017-06-14 CN CN201710448900.6A patent/CN109082112A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850788A (en) * | 2012-04-27 | 2013-01-02 | 常熟市发东塑业有限公司 | Preparation method of modified high-toughness nylon composite material |
| CN104403313A (en) * | 2014-11-18 | 2015-03-11 | 上海聿衡新材料科技有限公司 | Polyimide composite material and preparation method thereof |
| CN106479170A (en) * | 2015-08-27 | 2017-03-08 | 合肥杰事杰新材料股份有限公司 | A kind of low abnormal smells from the patient, low distribute, high abrasion-proof and high temperature resistant nylon and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 左继成等: "《高分子材料成型加工基本原理及工艺》", 31 January 2017, 北京理工大学出版社 * |
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Application publication date: 20181225 |