CN108929538A - A kind of nylon composite and preparation method thereof - Google Patents
A kind of nylon composite and preparation method thereof Download PDFInfo
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- CN108929538A CN108929538A CN201710380891.1A CN201710380891A CN108929538A CN 108929538 A CN108929538 A CN 108929538A CN 201710380891 A CN201710380891 A CN 201710380891A CN 108929538 A CN108929538 A CN 108929538A
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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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- 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
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- C08K2201/011—Nanostructured additives
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- 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
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
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Abstract
The present invention provides a kind of nylon composite and preparation method thereof, is related to technical field of polymer materials.Nylon composite of the present invention is prepared from the following raw materials：Nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, modified with ultrahigh molecular weight polyethylene glass fibre, odor adsorption master batch, silicon carbide, lubricant, antioxidant.Nylon composite of the present invention has significant raising in terms of wear-resisting property, and has excellent mechanical property, and odor adsorption master batch is added in raw material and cooperates high density polyethylene (HDPE) matrix, ensure that the low odor profiles of nylon composite.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of nylon composite and preparation method thereof.
Background technique
Nylon is a computer MSR Information system development under the outstanding scientist's Tomas Carothers (Carothers) in the U.S. and its leader
It out, is the first synthetic fibers occurred in the world.Nylon is a kind of saying of Fypro (polyamide fibre), is generally divided into
Nylon 6, nylon66 fiber.6 appearance of nylon is milky to faint yellow, has toughness, shock resistance, there is higher mechanical strength and heat-resisting
Property, shock strength is preferable, and fusing point is higher, and moulding processability is good, and water imbibition is big, saturated water absorption 11% or so, it is meltable in
In sulfated phenolic or formic acid, brittle temperature is the degree of minus 20 degrees -30.
Although nylon has many excellent performances, in the more demanding field of some pairs of smells, wear-resisting properties, nylon
Application will receive very big limitation.Therefore it needs to further decrease its smell, coefficient of friction and wear rate, is answered to expand it
Use field.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of nylon composite and preparation method thereof, solves the prior art
Middle nylon smell is big, the technical issues of wearing no resistance.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs：
A kind of nylon composite, the nylon composite are made of raw material from the following weight：54-90 parts of nylon 6,1-5
Part nylon66 fiber, 1-5 parts of Research of Grafting Malaic Anhydride Onto Polyethylene, 5-45 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 1-5 parts of smells
Adsorb master batch, 0.1-0.5 parts of silicon carbide, 0.2-1 parts of lubricants, 0.1-1 parts of antioxidant.
Preferably, 6 melting means of nylon is 5-8g/10min, and the nylon66 fiber melting means is 8-10g/10min.
Preferably, the odor adsorption master batch is by high density polyethylene (HDPE), hydrophobicity diatomite, hydrophobic active charcoal, needle-shaped
Zeolite molecular sieve, zinc ricinate, nano silica, calcium stearate, melamine are uniformly mixed, then in double screw extruder
Middle extruding pelletization forms.
Preferably, the modified with ultrahigh molecular weight polyethylene glass fibre is to impregnate through ultra-high molecular weight polyethylene dispersion liquid
Treated modified with ultrahigh molecular weight polyethylene glass fibre, and the molecular weight of ultra-high molecular weight polyethylene is 4,800,000, fracture is stretched
Long rate is 3%-10%.
Preferably, the high density polyethylene (HDPE) crystallinity 80%, molecular weight are 300,000.
Preferably, the ultra-high molecular weight polyethylene dispersion liquid is that the super high molecular weight that average grain diameter is 0.1-0.2 μm is poly-
Vinyl is suspended in the colloidal solution formed in liquid water, and the viscosity of colloidal solution is 0.05Pas, concentration is
60wt%.
Preferably, the lubricant is at least one of silicone powder, white oil, silicone oil, paraffin, stearic acid, zinc stearate.
Preferably, the antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and Asia
Tricresyl phosphate (2,4- di-tert-butyl-phenyl) ester mixes, and the weight part ratio of the two is 2：3-1：1.
A kind of preparation method of nylon composite, includes the following steps：
S1, will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and
190-210 DEG C is baked and banked up with earth, is sintered, and modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Preferably, area's temperature of double screw extruder described in step S2 is 180-190 DEG C, two area's temperature are 180-190
DEG C, three area's temperature be 190-200 DEG C, four area's temperature are 210-220 DEG C, five area's temperature are 230-250 DEG C, six area's temperature are 245-
250℃；Twin-screw engine speed is 500rpm.
The present invention provides a kind of nylon composite and preparation method thereof, and advantage is compared with prior art：
1. in the raw material of nylon composite of the present invention, 6 melting means of nylon is 5-8g/10min, nylon66 fiber melting means is 8-10g/
10min can adjust the mobility of 6 melt of nylon after being added, guarantee that in process, nylon 6 is plasticized uniformly, melting is mixed
Close smooth, raw material modified with ultrahigh molecular weight polyethylene glass fibre is using extraordinary ultra-high molecular weight polyethylene dispersion liquid to glass fibers
Dimension progress impregnation avoids glass fiber impregnated dipping in the process not exclusively, and the situation of disconnected fibre occurs in fiber, great to improve
Dispersibility of the glass in nylon matrix, and nylon composite obtained is made to have significant raising in terms of wear-resisting property, and
Maintain excellent mechanical property；
2. ultra-high molecular weight polyethylene molecular weight is 4,800,000 in the present invention, elongation at break 3%-10%, use is this
Powder particle avoids the fiber impregnation inefficient occurred during fiber impregnation, and not exclusively, the skills such as disconnected fibre occurs to dipping in fiber
The appearance of art problem；
3. the dosage of raw material silicon carbide of the present invention is down to 0.1-0.5 parts, the silicon carbide of low dosage had both avoided a large amount of uses
Caused by nylon combination physical performance decline, in turn ensure the synergistic effect that silicon carbide plays nylon composite wear-resisting property, mention
The high wear-resisting property of nylon composite；
4. odor adsorption master batch of the present invention uses crystallinity 80%, the high density polyethylene (HDPE) that molecular weight is 300,000 is as base
Body improves the compatibility of itself and fiber, nylon when as gas absorption master batch, ensure that master batch in composition system
Dispersibility ensure that the low odor profiles of nylon composite；
5. odor adsorption master batch reduces the small molecule content in composition, significantly reduce total volatile organism TVOC,
And while guaranteeing composition low odor characteristics, every physical and mechanical property, material moulding processability not by shadow
It rings；
6. using area's temperature of double screw extruder for 180-190 DEG C, two in nylon composite preparation method of the present invention
Area's temperature is 180-190 DEG C, three area's temperature are 190-200 DEG C, four area's temperature are 210-220 DEG C, five area's temperature are 230-250
DEG C, six area's temperature be 245-250 DEG C；Twin-screw engine speed is 500rpm, and such processing temperature, engine speed make nylon group
It closes object to block at the charging that process is not in, and with the advantages of feeding saturation, plasticizing is uniform, not overflow.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Modified with ultrahigh molecular weight polyethylene glass fibre and odor adsorption master batch are prepared by following method in embodiment
It forms：
The impregnation of modified with ultrahigh molecular weight polyethylene glass fibre：Superelevation will be immersed in after glass fibre cleaning, drying
In molecular weight polyethylene dispersion liquid, then takes out and dry and baked and banked up with earth at 200 DEG C, be sintered to obtain modified with ultrahigh molecular weight polyethylene glass
Fiber；Ultra-high molecular weight polyethylene dispersion liquid is that the polyvinyl resin with super-high molecular weight 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 high density polyethylene (HDPE), 5 parts of hydrophobicity diatomite, hydrophobic active charcoal 10
Part, 5 parts of needle-shaped zeolite molecular sieve, 10 parts of zinc ricinate, 5 parts of nano silica, 1 part of calcium stearate, 5 parts of melamine,
Row is uniformly mixed, and then extruding pelletization obtains odor adsorption master batch in double screw extruder.
Ultra-high molecular weight polyethylene number molecular weight is 4,800,000, elongation at break 3%-10%.
High density polyethylene (HDPE) crystallinity 80%, molecular weight are 300,000.
Lubricant is at least one of silicone powder, white oil, silicone oil, paraffin, stearic acid, zinc stearate.
6 melting means of nylon is 5-8g/10min.
Nylon66 fiber melting means is 8-10g/10min.
Embodiment 1：
The present embodiment nylon composite is made of raw material from the following weight：70 parts of nylon, 6,1 parts of nylon66 fibers, 1 part of poly- second
Alkene grafted maleic anhydride, 25 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 3 parts of odor adsorption master batches, 0.5 part of silicon carbide, 1
Part silicone powder, 0.5 part of antioxidant, 1098,0.5 parts of irgasfos 168s；
The preparation method of the present embodiment nylon composite, includes the following steps：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and 190
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Wherein, area's temperature of double screw extruder is 180 DEG C, two area's temperature are 180 DEG C, three area's temperature are 190 DEG C, four
Area's temperature is 210 DEG C, five area's temperature are 230 DEG C, six area's temperature are 245 DEG C；Twin-screw engine speed is 500rpm.
Embodiment 2：
The present embodiment nylon composite is made of raw material from the following weight：54 parts of nylon, 6,2 parts of nylon66 fibers, 2 parts of poly- second
Alkene grafted maleic anhydride, 30 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 1 part of odor adsorption master batch, 0.2 part of silicon carbide,
0.2 part of silicone powder, 0.1 part of antioxidant, 1098,0.1 parts of irgasfos 168s；
The preparation method of the present embodiment nylon composite, includes the following steps：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and 210
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Wherein, area's temperature of double screw extruder is 190 DEG C, two area's temperature are 190 DEG C, three area's temperature are 200 DEG C, four
Area's temperature is 220 DEG C, five area's temperature are 250 DEG C, six area's temperature are 250 DEG C；Twin-screw engine speed is 500rpm.
Embodiment 3：
The present embodiment nylon composite is made of raw material from the following weight：90 parts of nylon, 6,5 parts of nylon66 fibers, 5 parts of poly- second
Alkene grafted maleic anhydride, 20 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 5 parts of odor adsorption master batches, 0.1 part of silicon carbide,
0.5 part of silicone powder, 0.2 part of antioxidant, 1098,0.3 parts of irgasfos 168s；
The preparation method of the present embodiment nylon composite, includes the following steps：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and 200
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Wherein, area's temperature of double screw extruder is 180 DEG C, two area's temperature are 180 DEG C, three area's temperature are 190 DEG C, four
Area's temperature is 210 DEG C, five area's temperature are 230 DEG C, six area's temperature are 245 DEG C；Twin-screw engine speed is 500rpm.
Embodiment 4：
The present embodiment nylon composite is made of raw material from the following weight：60 parts of nylon, 6,2 parts of nylon66 fibers, 2 parts of poly- second
Alkene grafted maleic anhydride, 5 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 1 part of odor adsorption master batch, 0.3 part of silicon carbide,
0.3 part of lubricant, 0.3 part of antioxidant；
The preparation method of the present embodiment nylon composite, includes the following steps：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and 200
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Wherein, area's temperature of double screw extruder is 180 DEG C, two area's temperature are 180 DEG C, three area's temperature are 190 DEG C, four
Area's temperature is 210 DEG C, five area's temperature are 230 DEG C, six area's temperature are 245 DEG C；Twin-screw engine speed is 500rpm.
Wherein, 6 melting means of nylon is 5g/10min, and the nylon66 fiber melting means is 8g/10min；Ultra-high molecular weight polyethylene changes
Property glass fibre be modified with ultrahigh molecular weight polyethylene glass fibre after ultra-high molecular weight polyethylene dispersion liquid impregnation,
And the average grain diameter of polyvinyl resin with super-high molecular weight is 0.1 μm, and the molecular weight of ultra-high molecular weight polyethylene is 4,800,000, is broken
Splitting elongation is 3%；Lubricant is silicone powder, white oil, silicone oil, paraffin mix；Antioxidant is four [β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid] pentaerythritol ester and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester mix, and the two
Weight part ratio is 2：3.
Embodiment 5：
The present embodiment nylon composite is made of raw material from the following weight：70 parts of nylon, 6,4 parts of nylon66 fibers, 3 parts of poly- second
Alkene grafted maleic anhydride, 45 parts of modified with ultrahigh molecular weight polyethylene glass fibres, 5 parts of odor adsorption master batches, 0.4 part of silicon carbide, 1
Part lubricant, 1 part of antioxidant；
The preparation method of the present embodiment nylon composite, includes the following steps：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and 200
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption is female
Grain, silicon carbide, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by supra polymer
Weight polyethylene modified glass fibre is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
Wherein, area's temperature of double screw extruder is 180 DEG C, two area's temperature are 180 DEG C, three area's temperature are 190 DEG C, four
Area's temperature is 210 DEG C, five area's temperature are 230 DEG C, six area's temperature are 245 DEG C；Twin-screw engine speed is 500rpm.
Wherein, 6 melting means of nylon is 8g/10min, and the nylon66 fiber melting means is 10g/10min；Ultra-high molecular weight polyethylene changes
Property glass fibre be modified with ultrahigh molecular weight polyethylene glass fibre after ultra-high molecular weight polyethylene dispersion liquid impregnation,
And the average grain diameter of polyvinyl resin with super-high molecular weight is 0.2 μm, and the molecular weight of ultra-high molecular weight polyethylene is 4,800,000, is broken
Splitting elongation is 10%；Lubricant is silicone powder, paraffin, stearic acid, zinc stearate mix；Antioxidant is four [β-(3,5-
Di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester mix, and
The weight part ratio of the two is 1：1.
Comparative example：
Common activated carbon of sorbent, the poly- molybdenum disulfide of common anti-wear agent, by 70 parts of Buddhist nuns are added in this comparative example raw material
Dragon 6,3 parts, 5 parts molybdenum disulfide of active carbon, 1 part of silicone powder, 0.5 part of antioxidant, 1098,0.5 parts of irgasfos 168s pour into high-speed stirring
It mixes in machine, high-speed stirred, mixes to adding twin-screw extrude after uniformly, 25 parts of glass fibre is added from glass fiber opening, warp
It is granulated after melting extrusion.
Wherein area's temperature of double screw extruder is 180 DEG C, two area's temperature are 180 DEG C, three area's temperature are 190 DEG C, four
Area's temperature is 210 DEG C, five area's temperature are 230 DEG C, six area's temperature are 245 DEG C；Twin-screw engine speed is 500rpm.
To nylon composite prepared by above-described embodiment 1-3 and comparative example 1, detect respectively its mechanical property, oder levels,
TVOC and wear-resisting property.Wherein mechanical property is detected using ASTM standard, and oder levels, TVOC are carried out using GMW standard
Detection, wear-resisting property are measured according to standard GB/T 5478-2008, and physical data see the table below 1.
The different properties of sample test results of table 1
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, high abrasion-resistance nylon composition TVOC are lower than 50ugC/g.In addition, the abrasion index of products of the present invention is extremely low, it is in
Excellent wear-resisting property is revealed.The glass fibre of institute's impregnation of the present invention significantly improves glass in the dispersion of nylon matrix
Property, make low smell, it is low distribute, high abrasion-resistance nylon composition have anti-wear agent additive amount it is few, wear-resisting protrusion, mechanical property significantly changes
Kind advantage.
In conclusion 6 melting means of nylon is 5-8g/10min in the raw material of nylon composite of the present invention, nylon66 fiber melting means is
8-10g/10min can adjust the mobility of 6 melt of nylon after being added, guarantee that nylon 6 is plasticized uniformly in process,
Melting mixing is smooth, and raw material modified with ultrahigh molecular weight polyethylene glass fibre is using extraordinary ultra-high molecular weight polyethylene dispersion liquid pair
Glass fibre progress impregnation avoids glass fiber impregnated dipping in the process not exclusively, and the situation of disconnected fibre occurs in fiber, greatly
Improve glass in the dispersibility of nylon matrix, and have nylon composite obtained in terms of wear-resisting property and significantly mention
Height, and maintain excellent mechanical property；
Ultra-high molecular weight polyethylene molecular weight is 4,800,000, elongation at break 3%-10% in the present invention, using this powder
Last particle avoids the fiber impregnation inefficient occurred during fiber impregnation, and not exclusively, the technologies such as disconnected fibre occurs to dipping in fiber
The appearance of problem；
The dosage of raw material silicon carbide of the present invention is down to 0.1-0.5 parts, and the silicon carbide of low dosage had both avoided a large amount of uses and made
At nylon combination physical performance decline, in turn ensure the synergistic effect that silicon carbide plays nylon composite wear-resisting property, improve
The wear-resisting property of nylon composite；
Odor adsorption master batch of the present invention uses crystallinity 80%, the high density polyethylene (HDPE) that molecular weight is 300,000 as matrix,
When as gas absorption master batch, the compatibility of itself and fiber, nylon is improved, ensure that dispersion of the master batch in composition system
Property, into ensure that the low odor profiles of nylon composite；Odor adsorption master batch reduces the small molecule content in composition, makes always to volatilize
Property organic matter TVOC significantly reduce, and while guaranteeing composition low odor characteristics, every physical and mechanical property, material
Moulding processability it is unaffected；
Use area's temperature of double screw extruder for 180-190 DEG C, 2nd area in nylon composite preparation method of the present invention
Temperature is 180-190 DEG C, three area's temperature are 190-200 DEG C, four area's temperature are 210-220 DEG C, five area's temperature are 230-250 DEG C,
Six area's temperature are 245-250 DEG C；Twin-screw engine speed is 500rpm, and such processing temperature, engine speed make nylon combination
The advantages of object blocks at the charging that process is not in, and has feeding saturation, and plasticizing is uniform, not overflow.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
According to previous embodiment, invention is explained in detail, those skilled in the art should understand that：It still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of nylon composite, which is characterized in that the nylon composite is made of raw material from the following weight：54-90 parts
Nylon 6,1-5 part nylon66 fiber, 1-5 parts of Research of Grafting Malaic Anhydride Onto Polyethylene, 5-45 parts of modified with ultrahigh molecular weight polyethylene glass fibres,
1-5 parts of odor adsorption master batches, 0.1-0.5 parts of silicon carbide, 0.2-1 parts of lubricants, 0.1-1 parts of antioxidant.
2. nylon composite according to claim 1, it is characterised in that：6 melting means of nylon is 5-8 g/10min, institute
Stating nylon66 fiber melting means is 8-10 g/10min.
3. nylon composite according to claim 1, it is characterised in that：The odor adsorption master batch is by high-density polyethylene
Alkene, hydrophobicity diatomite, hydrophobic active charcoal, needle-shaped zeolite molecular sieve, zinc ricinate, nano silica, calcium stearate,
Melamine is uniformly mixed, then extruding pelletization forms in double screw extruder.
4. nylon composite according to claim 1, it is characterised in that：The modified with ultrahigh molecular weight polyethylene glass fibers
Dimension is the modified with ultrahigh molecular weight polyethylene glass fibre after ultra-high molecular weight polyethylene dispersion liquid impregnation, and superelevation is divided
The molecular weight of sub- weight northylen is 4,800,000, elongation at break 3%-10%.
5. nylon composite according to claim 1, it is characterised in that：The high density polyethylene (HDPE) crystallinity 80%, molecule
Amount is 300,000.
6. nylon composite according to claim 4, it is characterised in that：The ultra-high molecular weight polyethylene dispersion liquid is flat
The polyvinyl resin with super-high molecular weight that equal partial size is 0.1-0.2 μm is suspended in the colloidal solution formed in liquid water, and colloid is molten
The viscosity of liquid is 0.05Pas, concentration 60wt%.
7. nylon composite according to claim 1, it is characterised in that：The lubricant be silicone powder, white oil, silicone oil,
At least one of paraffin, stearic acid, zinc stearate.
8. nylon composite according to claim 1, it is characterised in that：The antioxidant is four [β-（3,5- bis- tertiary fourths
Base -4- hydroxy phenyl）Propionic acid] pentaerythritol ester and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester mix, and the two
Weight part ratio is 2：3-1：1.
9. a kind of preparation method of the nylon composite as described in any in claim 1-8, which is characterized in that including following step
Suddenly：
S1, it will be immersed in ultra-high molecular weight polyethylene dispersion liquid after glass fibre cleaning, drying, take out drying and in 190-210
It DEG C bakes and banks up with earth, be sintered, modified with ultrahigh molecular weight polyethylene glass fibre is made；
S2, each raw material for weighing parts by weight, by nylon 6, nylon66 fiber, Research of Grafting Malaic Anhydride Onto Polyethylene, odor adsorption master batch, carbon
SiClx, lubricant and antioxidant pour into blender, stir evenly and are placed in double screw extruder, by superhigh molecular weight polyethylene
Alkene modified glass-fiber is added from the glass fiber opening of double screw extruder, is granulated after melting extrusion.
10. preparation method according to claim 9, it is characterised in that：One area's temperature of double screw extruder described in step S2
Degree is 180-190 DEG C, two area's temperature are 180-190 DEG C, three area's temperature are 190-200 DEG C, four area's temperature are 210-220 DEG C, five
Area's temperature is 230-250 DEG C, six area's temperature are 245-250 DEG C；Twin-screw engine speed is 500rpm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110577674A (en) * | 2019-09-16 | 2019-12-17 | 江西七彩塑胶染料有限公司 | plastic modified material and preparation method thereof |
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| CN103436012A (en) * | 2013-09-06 | 2013-12-11 | 南京立汉化学有限公司 | Ultrahigh-molecular weight polyethylene modified nylon 66 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 |
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| CN103436012A (en) * | 2013-09-06 | 2013-12-11 | 南京立汉化学有限公司 | Ultrahigh-molecular weight polyethylene modified nylon 66 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 |
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| CN110577674A (en) * | 2019-09-16 | 2019-12-17 | 江西七彩塑胶染料有限公司 | plastic modified material and preparation method thereof |
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Application publication date: 20181204 |