CN106280427A - A kind of nylon composite for packaging film and preparation method thereof - Google Patents
A kind of nylon composite for packaging film and preparation method thereof Download PDFInfo
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- CN106280427A CN106280427A CN201610650142.1A CN201610650142A CN106280427A CN 106280427 A CN106280427 A CN 106280427A CN 201610650142 A CN201610650142 A CN 201610650142A CN 106280427 A CN106280427 A CN 106280427A
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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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- 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
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- C08L2203/16—Applications used for films
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- 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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- 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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Abstract
The present invention provides a kind of nylon composite for packaging film and preparation method thereof, and its general steps is as follows: aluminum nitrate, sucrose, tetraethyl orthosilicate are made presoma by (1)；(2) presoma is put into graphite crucible to calcine, after nitridation, de-carbon, obtain aluminium nitride powder；(3) aluminium nitride powder is reacted by γ (methacryloxypropyl) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol under the effect of initiator potassium persulfate, obtain siloxanes cladding aluminium nitride powder；(4) by nylon resin, other auxiliary agents, siloxanes cladding aluminium nitride powder mixing, extrusion, water-cooled, pelletizing, dry, packaging, the nylon composite for packaging film is obtained.Thermostability and the resistance to impact of the nylon composite that the present invention prepares are preferable.
Description
Technical field:
The present invention relates to a kind of nylon composite, particularly relate to a kind of nylon composite for packaging film and preparation thereof
Method.
Background technology:
Polyamide (PA is commonly called as nylon) is the resin that DuPont is developed for fiber at first, real in nineteen thirty-nine
Existing industrialization.Start the 1950's exploitation and produce injection-molded item, with substituted metal meet downstream industry goods lightweight,
Reduce the requirement of cost.The amide groups repeated containing many in polyamide skeleton, claims nylon during as plastics, as synthetic fibers
Time we are referred to as chinlon, polyamide can be produced by diamine and binary acid, it is also possible to closes with omega-amino acid or cyclic lactam
Become.According in diamine and binary acid or aminoacid containing the difference of carbon number, multiple different polyamide, polyamides can be prepared
Amine kind up to tens kinds, wherein most widely used general with polyamide-6, polyamide-66 and polyamide-610.
Nylon film is the thin film made for primary raw material with nylon resin, can use T-shaped (extrusion casting) film forming
Method (not oriented film), prepared by the T-shaped mould biaxially oriented film method of forming and air blowing plavini (biaxially oriented film), should use glutinous
Spend higher resin raw material.Commercially available commodity thin film is mainly the thin film of nylon 6 and nylon66 fiber.Nylon film have intensity high,
Barrier good, the features such as the transparency is good.Industrial use mainly makees molding vacuum bag thin film, civilian mainly makees packaging for foodstuff
Thin film.
Such as, Publication No. CN104387760A, publication date are 2015.03.04, apply for artificial Foshan Buddhist and mould science and technology group
The Chinese patent application of limited company discloses " a kind of tissue adhesion nylon masterbatch and preparation method thereof ", this tissue adhesion nylon
Masterbatch, by weight percentage, including following component: 90～96wt% nylon resin carriers；2～8wt% fine inorganic powder body；
1～2wt% surface conditioning agent；1～5wt% dispersing aid；The preparation method of described tissue adhesion nylon masterbatch, including walking as follows
Rapid: a) by nylon resin carrier, fine inorganic powder body, surface conditioning agent, dispersing aid is added separately to high-speed stirred by proportioning
Machine is sufficiently mixed, obtains mixed material；B) said mixture material double screw extruder is carried out melt blending extrusion；
C) enter cooling water cooling, pelletizing, dry, packaging, i.e. obtain tissue adhesion nylon masterbatch；The tissue adhesion nylon masterbatch of this invention
Melt pressure is low, and non-process face is quiet/and the coefficient of kinetic friction is little, the advantages such as mist degree is little, is particularly well-suited to high-transparency nylon film, high-speed packet
Dress uses nylon base film, the production of the most shallow version printing nylon packaging film.But, there is thermostability and resistance to punching in this invention
The dissatisfactory problem of hitting property.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of nylon composite for packaging film and preparation method thereof, system
Thermostability and resistance to impact for the nylon composite gone out are preferable.
For solving above-mentioned technical problem, the technical scheme is that
The preparation method of a kind of nylon composite for packaging film, the steps include:
(1) aluminum nitrate, sucrose, tetraethyl orthosilicate are added in deionized water, stir to being completely dissolved and be placed in baking oven,
It is incubated 5 hours after being warming up to 150 DEG C, obtains foam-like mixture, foam-like mixture is placed in nitrogen atmosphere at 1000 DEG C
Place 1 hour, obtain presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate after opening stirring, continues stirring
24 hours, filter after taking-up, repeatedly rinse with deionized water, be placed in baking oven and dry 4 hours at 100 DEG C, obtain siloxanes bag
Cover aluminium nitride powder；
(4) nylon resin is placed in air dry oven and is dried 5 hours at 85 DEG C, with dispersant, compatilizer, profit after taking-up
The siloxanes cladding aluminium nitride powder that lubrication prescription, antiblocking agent, toughener, SEBS and step (3) obtain adds in high mixer,
Mix 6 minutes under 1000 revs/min of speed, obtain compound, compound is put into adding of the double screw extruder that draw ratio is 38
In hopper, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, is depended on by the extruded stock obtained
Secondary through water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
Preferably, in step of the present invention (1), aluminum nitrate, sucrose, the mol ratio of tetraethyl orthosilicate are 24:10:1.
Preferably, in step of the present invention (2), γ-(methacryloxypropyl) propyl trimethoxy silicane, isopropanol,
Triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate are 80:5:120:6:400:2.
Preferably, in step of the present invention (4), by weight, nylon resin 70-75 part, dispersant 2-3 part, phase
Hold agent 6-7 part, lubricant 3-4 part, antiblocking agent 1.5-2 part, toughener 4-6 part, SEBS 3 parts, the silica that step (3) obtains
Alkane cladding aluminium nitride powder 5-6 part.
Preferably, in step of the present invention (4), nylon resin is nylon66 fiber.
Preferably, in step of the present invention (4), dispersant is glycerol distearate.
Preferably, in step of the present invention (4), compatilizer is POE.
Preferably, in step of the present invention (4), lubricant is stearic amide.
Preferably, in step of the present invention (4), antiblocking agent is PMMA.
Preferably, in step of the present invention (4), toughener is EPDM-g-MAH.
The preparation-obtained nylon composite for packaging film of above-mentioned preparation method.
Compared with prior art, the method have the advantages that
1) aluminium nitride is covalent bond compound, has mechanical performance and the heat resistance of excellence, but it easily hydrolyzes, because of
And before the present invention first uses sol-gel method to be prepared for aluminum source and carbon source mixture by aluminum nitrate, sucrose, tetraethyl orthosilicate
Drive body, then prepare the aluminium nitride powder that particle diameter is less, wherein tetraethyl orthosilicate by high-temperature ammonolysis carbothermic reduction reaction
The silicon dioxide in aluminium nitride powder Surface Creation in the reaction, then by itself and γ-(methacryloxypropyl) propyl group trimethoxy
Base silane, isopropanol, triethylamine, diethylene glycol carry out solution polymerization under the initiation of initiator potassium persulfate, success
Siloxane layer is coated on the surface of aluminium nitride powder by ground, and siloxanes has good hydrophobicity, can be prevented effectively from aluminum nitride powder
The hydrolysis of body, and siloxanes can form, with nylon resin matrix, the combination that intensity is higher, adds the less of aluminium nitride powder
Particle diameter make it to be well dispersed in nylon resin matrix, thus improve well nylon composite resistance to impact and
Thermostability.
2) dispersant can further improve the dispersing uniformity of aluminium nitride powder, and compatilizer can be effectively improved between each component
The compatibility, antiblocking agent can effectively prevent nylon composite from making the phenomenon of adhesion each other after thin film, and toughener then may be used
Improve toughness and the resistance to impact of nylon composite further；SEBS is with polystyrene as end segment, is hydrogenated with polybutadiene
The ethylene-butene copolymer obtained is the linear three embedding copolymers of middle spring block, and it does not contains unsaturated double-bond, therefore has
Good heat stability, UV stable and antioxidant, therefore can further improve nylon composite thermostability and resistance to always
The property changed.
Detailed description of the invention:
The present invention is described in detail, in illustrative examples and the explanation of this present invention below in conjunction with specific embodiment
It is used for explaining the present invention, but not as a limitation of the invention.Embodiment 1
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 70 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, with 2.5 weight portions after taking-up
Glycerol distearate, 6.6 weight portion POE, 3.3 weight portion stearic amides, 2 weight portion PMMA, 4.5 weight portion EPDM-g-
The siloxanes cladding aluminium nitride powder that MAH, 3 weight portion SEBS and 5.2 weight portion steps (3) obtain adds in high mixer,
Mix 6 minutes under 1000 revs/min of speed, obtain compound, compound is put into adding of the double screw extruder that draw ratio is 38
In hopper, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, is depended on by the extruded stock obtained
Secondary through water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
Embodiment 2
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 72 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, double with 2 weight portions after taking-up
Tristerin, 7 weight portion POE, 3.5 weight portion stearic amides, 1.8 weight portion PMMA, 5 weight portion EPDM-g-MAH, 3
The siloxanes cladding aluminium nitride powder that weight portion SEBS and 5 weight portion steps (3) obtain adds in high mixer, 1000 revs/min
Mix 6 minutes under speed, obtain compound, compound is put in the loading hopper of the double screw extruder that draw ratio is 38, squeeze
Go out temperature be 235-270 DEG C, screw speed melt extrude under the conditions of being 400 revs/min, the extruded stock obtained is sequentially passed through water
Cold, pelletizing, be dried, packaging, obtain the nylon composite for packaging film.
Embodiment 3
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 74 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, with 2.8 weight portions after taking-up
Glycerol distearate, 6.3 weight portion POE, 3 weight portion stearic amides, 1.6 weight portion PMMA, 6 weight portion EPDM-g-
The siloxanes cladding aluminium nitride powder that MAH, 3 weight portion SEBS and 5.6 weight portion steps (3) obtain adds in high mixer,
Mix 6 minutes under 1000 revs/min of speed, obtain compound, compound is put into adding of the double screw extruder that draw ratio is 38
In hopper, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, is depended on by the extruded stock obtained
Secondary through water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
Embodiment 4
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 71 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, with 2.1 weight portions after taking-up
Glycerol distearate, 6.5 weight portion POE, 4 weight portion stearic amides, 1.9 weight portion PMMA, 4 weight portion EPDM-g-
The siloxanes cladding aluminium nitride powder that MAH, 3 weight portion SEBS and 6 weight portion steps (3) obtain adds in high mixer, and 1000
Mix 6 minutes under rev/min speed, obtain compound, compound is put into the loading hopper of the double screw extruder that draw ratio is 38
In, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, the extruded stock warp successively that will obtain
Cross water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
Embodiment 5
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 73 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, double with 3 weight portions after taking-up
Tristerin, 6 weight portion POE, 3.6 weight portion stearic amides, 1.7 weight portion PMMA, 5.5 weight portion EPDM-g-
The siloxanes cladding aluminium nitride powder that MAH, 3 weight portion SEBS and 5.5 weight portion steps (3) obtain adds in high mixer,
Mix 6 minutes under 1000 revs/min of speed, obtain compound, compound is put into adding of the double screw extruder that draw ratio is 38
In hopper, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, is depended on by the extruded stock obtained
Secondary through water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
Embodiment 6
According to following steps preparation for the nylon composite of packaging film:
(1) being that the aluminum nitrate of 24:10:1, sucrose, tetraethyl orthosilicate add in deionized water by mol ratio, stirring is to completely
Dissolving is placed in baking oven, is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen after being warming up to 150 DEG C
Atmosphere is placed 1 hour at 1000 DEG C in enclosing, and obtains presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to the speed of 5 DEG C/minute
400 DEG C, then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and is incubated at 750 DEG C
De-carbon 2 hours, obtains aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains
Solution of silane, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride obtained with step (2) to mix homogeneously
Powder body adds in solution of silane together, is heated to 50 DEG C under the conditions of lucifuge, is added dropwise to potassium peroxydisulfate, γ-(methyl after opening stirring
Acryloyl-oxy) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder, the weight ratio of potassium peroxydisulfate be
80:5:120:6:400:2, continues stirring 24 hours, filters, repeatedly rinse with deionized water after taking-up, is placed in baking oven 100 DEG C
Lower drying 4 hours, obtains siloxanes cladding aluminium nitride powder；
(4) 75 weight portion nylon66 fiber are placed in air dry oven and are dried 5 hours at 85 DEG C, with 2.4 weight portions after taking-up
Glycerol distearate, 6.9 weight portion POE, 3.9 weight portion stearic amides, 1.5 weight portion PMMA, 4.8 weight portion EPDM-
The siloxanes cladding aluminium nitride powder that g-MAH, 3 weight portion SEBS and 5.7 weight portion steps (3) obtain adds in high mixer,
Mix 6 minutes under 1000 revs/min of speed, obtain compound, compound is put into adding of the double screw extruder that draw ratio is 38
In hopper, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, is depended on by the extruded stock obtained
Secondary through water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
The nylon composite preparing embodiment 1-6 and the thermostability of comparative example and resistance to impact are tested respectively,
Wherein, comparative example is the Chinese patent application of Publication No. CN104387760A.
Thermostability aspect tests the Vicat softening point of each determinand, the highest theory of Vicat softening point with reference to GB/T 1633-2000
Bright thermostability is the best；Resistance to impact aspect tests the impact strength of each determinand with reference to GB/T1843-2008, and impact strength is the biggest
Illustrate that resistance to impact is the best.
Test result see table:
It is therefore seen that, Vicat softening point and the impact strength of the nylon composite that embodiment of the present invention 1-6 prepares are the highest
In comparative example, show that there is preferable thermostability and resistance to impact.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (10)
1. the preparation method for the nylon composite of packaging film, it is characterised in that the steps include:
(1) aluminum nitrate, sucrose, tetraethyl orthosilicate are added in deionized water, stir to being completely dissolved and be placed in baking oven, heat up
After 150 DEG C, it is incubated 5 hours, obtains foam-like mixture, foam-like mixture is placed in nitrogen atmosphere and at 1000 DEG C, places 1
Hour, obtain presoma；
(2) presoma that step (1) obtains is put in graphite crucible, nitrogen atmosphere rises to 400 DEG C with the speed of 5 DEG C/minute,
Then it is warming up to 1600 DEG C with the speed of 10 DEG C/minute, insulation nitridation 1 hour, it is subsequently placed in air and at 750 DEG C, is incubated de-carbon 2
Hour, obtain aluminium nitride powder；
(3) adding in isopropanol by γ-(methacryloxypropyl) propyl trimethoxy silicane, stirring to mix homogeneously obtains silane
Solution, adds in deionized water by triethylamine, diethylene glycol, stirs the aluminium nitride powder obtained with step (2) to mix homogeneously
Add in solution of silane together, under the conditions of lucifuge, be heated to 50 DEG C, after opening stirring, be added dropwise to potassium peroxydisulfate, continue stirring 24 little
Time, filter after taking-up, repeatedly rinse with deionized water, be placed in baking oven and dry 4 hours at 100 DEG C, obtain siloxanes cladding nitrogen
Change aluminium powder body；
(4) nylon resin is placed in air dry oven and is dried 5 hours at 85 DEG C, with dispersant, compatilizer, lubrication after taking-up
The siloxanes cladding aluminium nitride powder that agent, antiblocking agent, toughener, SEBS and step (3) obtain adds in high mixer, and 1000
Mix 6 minutes under rev/min speed, obtain compound, compound is put into the loading hopper of the double screw extruder that draw ratio is 38
In, extrusion temperature is 235-270 DEG C, screw speed melt extrudes under the conditions of being 400 revs/min, the extruded stock warp successively that will obtain
Cross water-cooled, pelletizing, dry, packaging, obtain the nylon composite for packaging film.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (1), aluminum nitrate, sucrose, the mol ratio of tetraethyl orthosilicate are 24:10:1.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (2), γ-(methacryloxypropyl) propyl trimethoxy silicane, isopropanol, triethylamine, diethylene glycol, aluminium nitride powder,
The weight ratio of potassium peroxydisulfate is 80:5:120:6:400:2.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (3), by weight, nylon resin 70-75 part, dispersant 2-3 part, compatilizer 6-7 part, lubricant 3-4 part is anti-stick
Even agent 1.5-2 part, toughener 4-6 part, SEBS 3 parts, siloxanes cladding aluminium nitride powder 5-6 part that step (3) obtains.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (4), nylon resin is nylon66 fiber.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (4), dispersant is glycerol distearate.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (4), compatilizer is POE.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (4), lubricant is stearic amide.
The preparation method of a kind of nylon composite for packaging film the most according to claim 1, it is characterised in that: described
In step (4), antiblocking agent is PMMA, and toughener is EPDM-g-MAH.
10. a kind of preparation method for the nylon composite of packaging film described in claim 1 is preparation-obtained for wrapping
The nylon composite of dress film.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435371A (en) * | 2003-03-12 | 2003-08-13 | 北京科技大学 | Method for preparing aluminium nitride powder |
| CN103073886A (en) * | 2012-12-25 | 2013-05-01 | 安徽科聚新材料有限公司 | Nylon 66 composite material, preparation method thereof and electronic device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435371A (en) * | 2003-03-12 | 2003-08-13 | 北京科技大学 | Method for preparing aluminium nitride powder |
| CN103073886A (en) * | 2012-12-25 | 2013-05-01 | 安徽科聚新材料有限公司 | Nylon 66 composite material, preparation method thereof and electronic device |
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