CN106751074A - Syndiotactic polytyrene polyhexamethylene adipamide composite - Google Patents
Syndiotactic polytyrene polyhexamethylene adipamide composite Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
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- C08L25/06—Polystyrene
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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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- C08K2201/003—Additives being defined by their diameter
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
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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 relates to a kind of syndiotactic polytyrene polyhexamethylene adipamide composite.A kind of syndiotactic polytyrene polyhexamethylene adipamide composite, in terms of parts by weight, including：30~60 parts of syndiotactic polytyrene；10~25 parts of polyhexamethylene adipamide；5~10 parts of compatilizer；1~5 part of laser carving powder；0.3~0.6 part of coupling agent；0.4~0.7 part of antioxidant；And 10~50 parts of basalt fibre；Wherein, the laser carving powder is selected from least one in silica, titanium dioxide, zinc sulphide, chrome green, neodymia, bismuth oxide, tin oxide, zinc molybdate, ammonium molybdate, alkali formula cupric phosphate, cupric oxide, copper-chrome black, copper carbonate, copper sulphate, copper chloride, copper chromite, cupric thiocyanate, spinelle, tin ash, tin ash, sodium stannate, potassium stannate, zinc sulfate, antimony oxide, antimony pentoxide, sodium antimonate, potassium carbonate, barium sulfate and carbon black.Above-mentioned syndiotactic polytyrene polyhexamethylene adipamide composite processing is relatively easy to, better mechanical property and heat resistance is preferable.
Description
Technical field
The present invention relates to polymeric material field, more particularly to a kind of syndiotactic polytyrene-polyhexamethylene adipamide is multiple
Condensation material.
Background technology
Syndiotactic polytyrene (sPS) is a kind of new engineering plastics, with low-gravity, low-k, bending die high
Amount, excellent heat resistance, good stiffness, high-melting-point (about 270 DEG C of Tm) and excellent solvent resistance, it is resistance to vapor permeability the characteristics of.SPS has
Fabulous development prospect, potential market is boundless, however, the fragility that sPS is present is big, mechanics and the not high defect of heat resistance,
Its range of application is greatly limit, it is necessary to which it is modified, with the application of commensurate structure material.
Upgrading with the industry such as electronic apparatus and automobile develops, requirement more and more higher of the people to outward appearance and false proof
Need, the processing mode that traditional frosting obtains pattern is essentially ink printing, this technique not only tedious process, efficiency is low
Under, and substantial amounts of organic solvent pollution can be caused, Long Term Contact will also result in harm to human body, be difficult to meet reality
Need.
The content of the invention
Based on this, there is provided one kind processing is relatively easy to, better mechanical property and the preferable syndiotactic polytyrene of heat resistance-and it is poly-
Hexamethylene adipamide composite.
A kind of syndiotactic polytyrene-polyhexamethylene adipamide composite, in terms of parts by weight, including：
Wherein, the laser carving powder be selected from silica, titanium dioxide, zinc sulphide, chrome green, neodymia, bismuth oxide,
Tin oxide, zinc molybdate, ammonium molybdate, alkali formula cupric phosphate, cupric oxide, copper-chrome black, copper carbonate, copper sulphate, copper chloride, copper chromite,
Cupric thiocyanate, spinelle, tin ash, tin ash, sodium stannate, potassium stannate, zinc sulfate, antimony oxide, antimony pentoxide, metaantimmonic acid
At least one in sodium, potassium carbonate, barium sulfate and carbon black；The compatilizer is selected from maleic anhydride stem grafting polyolefin elastomer, third
Olefin(e) acid ester-ethylene oxidic ester-ethylene-dien terpolymer, methacrylate-butadiene-styrene rubber-styrene copolymer, ethene-
Acrylate copolymer, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene terpolymer, acrylonitrile-second
In alkene-styrene copolymer, hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride at least one
Kind.
Above-mentioned syndiotactic polytyrene-polyhexamethylene adipamide composite, is modified by adding basalt fibre, can
To improve mechanical property and heat resistance, polyhexamethylene adipamide and compatilizer are added, do not affected the mechanical properties and heat resistance
In the case of can improve impact property so that better mechanical property and heat resistance is preferable；Laser carving powder is added, is set by computer software
The good pattern and letter for needing of meter, local irradiation is carried out to workpiece using the laser beam of high density energy, and material surface occurs
The change of physics and chemistry, so as to obtain visible pattern, using Computer Control Technology, change mark content is very easy to, and fits
The efficient requirement of modern production is answered, manufacturing process is done using laser, very fine mark can be produced on the surface of material
Remember and durability be very good, there is no the effect of operating force with workpiece, it is ensured that the original precision of workpiece, processing mode is flexible,
Production efficiency is high and environmentally safe.
Wherein in one embodiment, the weight average molecular weight of the syndiotactic polytyrene is 200,000~700,000.
Wherein in one embodiment, the intrinsic viscosity 2.2dL/g~3.0dL/g of the polyhexamethylene adipamide.
Wherein in one embodiment, the coupling agent is selected from the coupling of titanate coupling agent, silane coupler and Aluminate
At least one in agent.
Wherein in one embodiment, the antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid]
Pentaerythritol ester, N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine, β-(3,5- di-t-butyls-
4- hydroxy phenyls) the positive octadecanol ester of propionic acid, 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) isocyanuric acid, three [2.4-
Di-tert-butyl-phenyl] phosphite ester, double (2,4-DTBP) pentaerythritol diphosphites and double (2,4- dicumyl benzene
Base) at least one in pentaerythritol diphosphites.
Wherein in one embodiment, also including the nucleator no more than 2 parts, the nucleator is selected from talcum powder, oxidation
At least one in zinc, silicate, stearate, nano imvite, carbonate, phosphate, Sodium Benzoate, unary carboxylation.
Wherein in one embodiment, also including the auxiliary agent no more than 3 parts, the auxiliary agent be selected from ultra-violet absorber, into
At least one in core agent, colouring agent, lubricant and releasing agent.
Wherein in one embodiment, the basalt fibre is selected from and is chopped in basalt fibre and continuous basalt fiber
At least one.
Wherein in one embodiment, a diameter of 9 microns~15 microns of the basalt fibre.
Wherein in one embodiment, the chopped length of the basalt fibre is 3 millimeters~6 millimeters.
Specific embodiment
Syndiotactic polytyrene-polyhexamethylene adipamide composite is made further in detail mainly in combination with specific embodiment below
Thin explanation.
The syndiotactic polytyrene of one implementation method-polyhexamethylene adipamide composite, in terms of parts by weight, including：
Laser carving powder is selected from silica, titanium dioxide, zinc sulphide, chrome green, neodymia, bismuth oxide, tin oxide, molybdenum
Sour zinc, ammonium molybdate, alkali formula cupric phosphate, cupric oxide, copper-chrome black, copper carbonate, copper sulphate, copper chloride, copper chromite, cupric thiocyanate,
Spinelle, tin ash, tin ash, sodium stannate, potassium stannate, zinc sulfate, antimony oxide, antimony pentoxide, sodium antimonate, carbonic acid
At least one in potassium, barium sulfate and carbon black.Wherein in one embodiment, the particle diameter of laser carving powder is 0.3 micron~2.6 micro-
Rice.
Compatilizer is selected from maleic anhydride stem grafting polyolefin elastomer, acrylate-ethylene oxidic ester-ethene ternary polymerization
Thing, methacrylate-butadiene-styrene rubber-styrene copolymer, vinyl-acrylate copolymer, ethylene-vinyl acetate
Copolymer, acrylonitrile-butadiene-styrene terpolymer, acrylonitrile-vinyl-styrene copolymer, hydrogenation of benzene second
At least one in alkene-butadiene-styrene block copolymer grafted maleic anhydride.Preferably, maleic anhydride stem grafting polyolefin
Elastomer is selected from maleic anhydride grafted polyethylene elastomer, maleic anhydride grafting poly 1-butene elastomer, maleic anhydride and is grafted and gathers
At least one in ethylene-acrylic acid copolymer elastomer and maleic anhydride grafted polyethylene-vinyl acetate copolymer elastomer.
Wherein in one embodiment, the weight average molecular weight of syndiotactic polytyrene (sPS) is 200,000~700,000.Preferably,
Normality is more than or equal to 97% between syndiotactic polytyrene.
Wherein in one embodiment, the intrinsic viscosity 2.2dL/g~3.0dL/g of polyhexamethylene adipamide (PA66).
In one of embodiment, coupling agent is at least one in titanate coupling agent, silane coupler and aluminate coupling agent.It is excellent
Choosing, titanate coupling agent is selected from isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, double (two octyloxy pyrophosphates
Base) ethylene titanate esters, the oleic acid acyloxy of isopropyl two (dioctyl phosphoric acid acyloxy) titanate esters and monoalkoxy unsaturated fat
At least one in sour titanate esters.Silane coupler is selected from VTES, (the 'beta '-methoxy ethoxy of vinyl three
Base) at least one in silane, gamma-aminopropyl-triethoxy-silane and 3- glycydoxy trimethoxy silanes.
Aluminate coupling agent is selected from least one in distearyl acyl-oxygen isopropyl Aluminate, DL-411 and anti-settling Aluminate ASA.
Certainly, it is necessary to explanation, coupling agent is not limited to mentioned kind, other can the coupling agent of reinforcing material interface performances can be with
Use.
Wherein in one embodiment, antioxidant is selected from antioxidant 1010 (four [β-(3,5- di-t-butyl -4- hydroxy benzenes
Base) propionic acid] pentaerythritol ester), antioxidant 1098 (N, N'- be double-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) oneself
Diamines), antioxidant 1076 (β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid), antioxidant 3114 (1,3,
5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) isocyanuric acid), irgasfos 168 (three [2.4- di-tert-butyl-phenyls] phosphorous acid
Ester), (double (2,4- bis- is withered for antioxidant 626 (double (2,4-DTBP) pentaerythritol diphosphites) and antioxidant 9228
Base phenyl) pentaerythritol diphosphites) at least one.Certainly, antioxidant is not limited to above-mentioned material, and other can be prevented
Material aging, organized polymerization thing thermal oxidative degradation and the antioxidant for increasing the service life can be used.
Wherein in one embodiment, basalt fibre is selected from be chopped basalt fibre and continuous basalt fiber extremely
Few one kind.Wherein in one embodiment, the length of the basalt fibre that is chopped is 3 millimeters~6 millimeters.
Wherein in one embodiment, a diameter of 9 microns~15 microns of basalt fibre.
Wherein in one embodiment, syndiotactic polytyrene-polyhexamethylene adipamide composite also includes being no more than 2 parts
Nucleator.Nucleator is selected from talcum powder, zinc oxide, silicate, stearate, nano imvite, carbonate, phosphate, benzene
At least one in sodium formate, unary carboxylation.Preferably, the particle diameter of nucleator is 0.1 micron~2 microns.Silicate is selected from
At least one in alumina silicate, calcium silicates, magnesium silicate and sodium metasilicate.Stearate is selected from aluminum stearate, lithium stearate, stearic acid
At least one in magnesium, zinc stearate, barium stearate and calcium stearate.Carbonate is selected from calcium carbonate, barium carbonate, zinc carbonate and carbon
At least one in sour magnesium.Phosphate is selected from least one in calcium phosphate, sodium phosphate, potassium phosphate and trbasic zinc phosphate.Monocarboxylic acid
Salt is selected from least one in monocarboxylic acid sodium, monocarboxylic acid potassium and monocarboxylic acid calcium.It should be noted that nucleator can be saved
Slightly, or other nucleators commonly used in the trade.
Wherein in one embodiment, syndiotactic polytyrene-polyhexamethylene adipamide composite also includes being no more than 3 parts
Auxiliary agent.Auxiliary agent is selected from least one in ultra-violet absorber, colouring agent, lubricant and releasing agent.Preferably, a rule polyphenyl
Ultra-violet absorber, 0 part~2 parts of colouring agent, 0 part~0.6 part of the profit that also included 0 part~0.6 part of ethene composite
Lubrication prescription and 0 part~1 part of releasing agent.Preferably, ultra-violet absorber is selected from OPS (salicylic acid is to t-octyl phenyl ester), UV-242
(2- hydroxyls -4- (2 '-ethyl hexyl oxy) benzophenone), UV-622 (poly-succinic (4- ethoxy -2,2,6,6- tetramethyls -1-
Piperidine ethanol) ester) and UV-326 (2'- (the 2'- hydroxyl -3'- tert-butyl group -5'- aminomethyl phenyls) -5- chlorobenzotriazoles) at least
It is a kind of.Colouring agent is selected from least one in titanium dioxide, ultramarine blue, phthalocyanine green, carbon black, permanent yellow and fluorescein.Lubricant
Selected from EBS (ethylene bis-fatty acid amides), PETS (pentaerythritol stearate), SEED (two (2,2,6,6- tetramethyl -3- piperazines
Pyridine amido)-isophtalamide) and TAF (modified ethylene bis-fatty acid amides) at least one.Releasing agent is selected from stearic acid
At least one in lithium, aluminum stearate, magnesium stearate and zinc stearate.Certainly, ultra-violet absorber, colouring agent, lubricant and
Releasing agent can be omitted, and can use other materials commonly used in the trade.
Wherein in one embodiment, syndiotactic polytyrene-polyhexamethylene adipamide composite, in terms of parts by weight,
Including：
Above-mentioned syndiotactic polytyrene-polyhexamethylene adipamide composite, is modified by adding basalt fibre, can
To improve mechanical property and heat resistance, polyhexamethylene adipamide and compatilizer are added, do not affected the mechanical properties and heat resistance
In the case of can improve impact property so that better mechanical property and heat resistance is preferable；Laser carving powder is added, is set by computer software
The good pattern and letter for needing of meter, local irradiation is carried out to workpiece using the laser beam of high density energy, and material surface occurs
The change of physics and chemistry, so as to obtain visible pattern, using Computer Control Technology, change mark content is very easy to, and fits
The efficient requirement of modern production is answered, manufacturing process is done using laser, very fine mark can be produced on the surface of material
Remember and durability be very good, there is no the effect of operating force with workpiece, it is ensured that the original precision of workpiece, processing mode is flexible,
Production efficiency is high and environmentally safe.
The preparation method of above-mentioned syndiotactic polytyrene-polyhexamethylene adipamide composite, comprises the following steps：
Step S110, sPS and PA66 are dried treatment.
Wherein in one embodiment, by sPS and PA66 respectively in 100 DEG C~120 DEG C forced air dryings 1 hour~4 hours.
Certainly, when sPS and PA66 are more dried in itself, then treatment need not be dried, step S110 can be omitted.
Step S120, dried sPS and PA66 and compatilizer and coupling agent are uniformly mixed after, sequentially add radium
Carving powder, antioxidant, nucleator and auxiliary agent are well mixed and obtain pre-composition.
Wherein in one embodiment, during dried sPS and PA66 and compatilizer and coupling agent added into mixer,
Mixing 1 minute~3 minutes is stirred under 200 revs/min~500 revs/min of rotating speed, after machine to be mixed stops, laser carving is sequentially added
Powder, antioxidant, nucleator and auxiliary agent, stir mixing 2 minutes~5 minutes under 200 revs/min~500 revs/min of rotating speed.
Step S130, pre-composition and basalt fibre extruding pelletization are obtained into syndiotactic polytyrene-polyhexamethylene adipamide
Composite.
Wherein in one embodiment, during pre-composition added into double screw extruder, then by basalt fibre from twin-screw
Extruder side spout add, through melting extrusion granulation, water-cooled, air-dry, pelletizing, be dried to obtain syndiotactic polytyrene-gather oneself two
Acyl hexamethylene diamine composite.Preferably, the fabrication process condition of double screw extruder is as follows：One 180 DEG C of area~220 DEG C；2nd area
240 DEG C~260 DEG C；Three 250 DEG C of areas~280 DEG C；Four 250 DEG C of areas~280 DEG C；5th area：250 DEG C~270 DEG C；Six 240 DEG C of areas~
260℃；Seven 220 DEG C of areas~260 DEG C；Eight 220 DEG C of areas~260 DEG C；Nine 220 DEG C of areas~250 DEG C；240 DEG C~280 DEG C of head；Spiral shell
Bar rotating speed is 300rpm~600rpm.
Step S140, by syndiotactic polytyrene-polyhexamethylene adipamide composite injection moulding after, by laser engraving
Pattern.
The preparation method of above-mentioned syndiotactic polytyrene-polyhexamethylene adipamide composite, it is simple to operate, it is easy to industry
Change.
It is below specific embodiment part：
Part in following examples is parts by weight.
Embodiment 1
It is 97% from a normality, weight average molecular weight is 300,000 sPS resins, is 3.0dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 120 DEG C 3 hours, by 60 parts of dried sPS, 20 parts of PA66,7.2 parts of hydrogenation of benzene
Ethylene-butadiene-styrene block copolymer grafted maleic anhydride, 0.5 part of KH550 (silane coupler) sequentially add mixer
In, stirred under 200 revs/min of rotating speed after mixing 3 minutes, after machine to be mixed stops, sequentially adding 0.3 part of titanium dioxide
(average grain diameter is for titanium (average grain diameter be 0.3 micron), 0.2 part of neodymia (average grain diameter is 0.5 micron), 0.2 part of bismuth oxide
0.5 micron), 0.3 part of alkali formula cupric phosphate (average grain diameter is 1.3 microns), 0.2 part of antioxidant 1010,0.4 part of antioxidant 626,
0.3 part of nucleator monocarboxylic acid calcium, 0.4 part of lubricant PETS stir 3 points of mixing in mixer under 200 revs/min of rotating speed
Clock, obtains well mixed pre-composition；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 200 DEG C of area；2nd area
250℃；Three 270 DEG C of areas；Four 270 DEG C of areas；5th area：260℃；Six 250 DEG C of areas；Seven 250 DEG C of areas；Eight 240 DEG C of areas；Nine 240 DEG C of areas；
270 DEG C of head；Screw speed is 350rpm；Side feeding 10 parts of filament diameters of addition are 13 microns of continuous basalt fiber, so
By water-cooled, air-dry, pelletizing, obtain syndiotactic polytyrene-polyhexamethylene adipamide composite after drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Embodiment 2
It is 97.5% from a normality, weight average molecular weight is 400,000 sPS resins, is 2.7dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 120 DEG C 3 hours, by 48 parts of dried sPS, 18 parts of PA66,7.5 parts of compatilizers
Acrylate-ethylene oxidic ester-ethylene copolymer, 0.3 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate coupling agent
Sequentially add in mixer, stirred under 250 revs/min of rotating speed after mixing 2 minutes, after machine to be mixed stops, then successively
Add 3 parts of barium sulfate (average grain diameter is 2.6 microns), 1 part of tin oxide (average grain diameter is 0.7 micron), 1 part of copper chromite (flat
Equal particle diameter is 0.5 micron), 0.3 part of antioxidant 1076,0.4 part of irgasfos 168,0.2 part of nucleator sodium phosphate, 0.3 part of lubricant
SEED stirs mixing 4 minutes in mixer under 300 revs/min of rotating speed, obtains well mixed pre-composition；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 210 DEG C of area；2nd area
260℃；Three 275 DEG C of areas；Four 275 DEG C of areas；5th area：265℃；Six 255 DEG C of areas；Seven 250 DEG C of areas；Eight 240 DEG C of areas；Nine 240 DEG C of areas；
270 DEG C of head；Screw speed is 400rpm；Side feeding 20 parts of filament diameters of addition are 11 microns of continuous basalt fiber, so
By water-cooled, air-dry, pelletizing, obtain syndiotactic polytyrene-polyhexamethylene adipamide composite after drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Embodiment 3
It is 98% from a normality, weight average molecular weight is 500,000 sPS resins, is 2.7dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 120 DEG C 2 hours, by 30 parts of dried sPS, 25 parts of PA66,10 parts of compatilizer second
Alkene vinyl acetate co-polymer, 0.6 part of distearyl acyl-oxygen isopropyl aluminate coupling agent are sequentially added in mixer, 300 turns/
Point rotating speed under stir and mix 1 minute after, after machine to be mixed stops, (average grain diameter is to sequentially add 1.3 parts of tin oxide
0.5 micron), 0.6 part of zinc molybdate (average grain diameter is 0.3 micron), 0.6 part of zinc sulphide (average grain diameter is 0.4 micron), 0.3 part
1098,0.3 part of antioxidant, 9228,0.2 part of antioxidant nucleator Sodium Benzoate, 0.8 part of carbon black, 0.3 part of lithium stearate releasing agent
In mixer, mixing 3 minutes is stirred under 450 revs/min of rotating speed, obtain well mixed pre-composition；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 210 DEG C of area；2nd area
255℃；Three 275 DEG C of areas；Four 275 DEG C of areas；5th area：260℃；Six 250 DEG C of areas；Seven 250 DEG C of areas；Eight 240 DEG C of areas；Nine 240 DEG C of areas；
275 DEG C of head；Screw speed is 450rpm；Side feeding 30 parts of filament diameters of addition are 9 microns of chopped basalt fibre, then
Syndiotactic polytyrene-polyhexamethylene adipamide composite is obtained after water cooled, air-dried, pelletizing, drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Embodiment 4
It is 98% from a normality, weight average molecular weight is 500,000 sPS resins, is 2.7dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 120 DEG C 2 hours, by 30 parts of dried sPS, 25 parts of PA66,10 parts of compatilizer second
Alkene vinyl acetate co-polymer, 0.6 part of distearyl acyl-oxygen isopropyl aluminate coupling agent are sequentially added in mixer, 300 turns/
Stirred under the rotating speed for dividing after mixing 1 minute, after machine to be mixed stops, sequentially adding 0.3 part of 1098,0.3 part of antioxidant
9228,0.2 part of nucleator Sodium Benzoate of antioxidant, 0.8 part of carbon black, 0.3 part of lithium stearate releasing agent in mixer, 450
Rev/min rotating speed under stir mixing 3 minutes, obtain well mixed pre-composition；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 210 DEG C of area；2nd area
255℃；Three 275 DEG C of areas；Four 275 DEG C of areas；5th area：260℃；Six 250 DEG C of areas；Seven 250 DEG C of areas；Eight 240 DEG C of areas；Nine 240 DEG C of areas；
275 DEG C of head；Screw speed is 450rpm；Side feeding 30 parts of filament diameters of addition are 9 microns of chopped basalt fibre, then
Syndiotactic polytyrene-polyhexamethylene adipamide composite is obtained after water cooled, air-dried, pelletizing, drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Embodiment 5
It is 98.5% from a normality, weight average molecular weight is 700,000 sPS resins, is 2.5dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 110 DEG C 3 hours, by weight, by 35 parts of dried sPS, 12 parts of PA66,2.3
Part compatilizer hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, 2.7 parts of acrylate-glycidols
Ester-ethylene copolymer, 0.3 part of KH560 silane couplers, 0.2 part of oleic acid acyloxy of isopropyl two (dioctyl phosphoric acid acyloxy)
Titanate esters are sequentially added in mixer, are stirred under 380 revs/min of rotating speed after mixing 1 minute, after machine to be mixed stops,
Sequentially add 2 parts of silica (average grain diameter is 0.5 micron), 1 part of cupric oxide (average grain diameter is 0.8 micron), 1 part of stannic acid
Potassium (average grain diameter be 0.5 micron), 0.2 part of antioxidant 3114,0.4 part of antioxidant, 9228,0.4 part of lubricant TAF, 0.3 part
EBS, 0.3 part of UV-326,0.3 part of UV-242,0.3 part of ultramarine blue, 0.3 part of permanent yellow, 1 part of zinc stearate in mixer,
Mixing 5 minutes is stirred under 280 revs/min of rotating speed, well mixed pre-composition is obtained；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 220 DEG C of area；2nd area
260℃；Three 280 DEG C of areas；Four 275 DEG C of areas；5th area：270℃；Six 260 DEG C of areas；Seven 255 DEG C of areas；Eight 245 DEG C of areas；Nine 240 DEG C of areas；
275 DEG C of head；Screw speed is 500rpm；Side feeding 40 parts of filament diameters of addition are 13 microns of chopped basalt fibre, so
By water-cooled, air-dry, pelletizing, obtain syndiotactic polytyrene-polyhexamethylene adipamide composite after drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Embodiment 6
It is 99% from a normality, weight average molecular weight is 200,000 sPS resins, is 2.2dl/g's from intrinsic viscosity
PA66 resins, respectively at after forced air drying at 115 DEG C 3 hours, by weight, by 30 parts of dried sPS, 10 parts of PA66,2.3
Part compatilizer hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, 2.7 parts of acrylate-glycidols
Ester-ethylene copolymer, 0.5 part of KH560 silane coupler are sequentially added in mixer, and mixing is stirred under 380 revs/min of rotating speed
After stirring 1 minute, after machine to be mixed stops, 2 parts of cupric thiocyanates (average grain diameter is 0.5 micron), 1 part of three oxidation are sequentially added
Two antimony (average grain diameter be 0.8 micron), 0.5 part of zinc molybdate (average grain diameter is 0.5 micron), 0.2 part of antioxidant 1010,0.3 part
Irgasfos 168,0.3 part of lubricant TAF, 0.3 part of UV-622 stir 5 points of mixing in mixer under 280 revs/min of rotating speed
Clock, obtains well mixed pre-composition；
Well mixed pre-composition is placed in double screw extruder by following condition melting extrusion：One 220 DEG C of area；2nd area
260℃；Three 280 DEG C of areas；Four 275 DEG C of areas；5th area：270℃；Six 260 DEG C of areas；Seven 255 DEG C of areas；Eight 245 DEG C of areas；Nine 240 DEG C of areas；
275 DEG C of head；Screw speed is 500rpm；Side feeding 50 parts of filament diameters of addition are 9 microns of chopped basalt fibre, then
Syndiotactic polytyrene-polyhexamethylene adipamide composite is obtained after water cooled, air-dried, pelletizing, drying.
The syndiotactic polytyrene of gained-polyhexamethylene adipamide composite after injection moulding on injection machine, in laser carving
The pattern of editor's need laser engraving on machine, it is possible to pattern needed for directly being carved on product.
Syndiotactic polytyrene-polyhexamethylene adipamide composite prepared by embodiment 1~6 is made test sample and carried out
Performance test, the results are shown in Table 1.
Table 1
As it can be seen from table 1 adding laser carving powder and compatilizer in embodiment 1~3 and embodiment 5~6, compatilizer is selected from horse
Maleic anhydride grafted polyolefin elastomer, acrylate-ethylene oxidic ester-ethylene-dien terpolymer, methacrylate-butylbenzene rubber
Glue-styrene copolymer, vinyl-acrylate copolymer, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-
Styrene copolymer, acrylonitrile-vinyl-styrene copolymer, hydrogenated styrene-butadiene-styrene block are total to
At least one in polymers grafted maleic anhydride, so as to while with excellent laser carving performance, maintain preferable mechanics
Performance.
Syndiotactic polytyrene-polyhexamethylene adipamide composite by modified, better mechanical property and heat resistance is preferably,
There is excellent laser carving performance simultaneously, had a good application prospect in fields such as Aero-Space, automobile, electronic apparatus.Can be wide
The general occasion applied in the engineering plastics application such as PET, PBT, PA, PPS.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of syndiotactic polytyrene-polyhexamethylene adipamide composite, it is characterised in that in terms of parts by weight, including：
Wherein, the laser carving powder is selected from silica, titanium dioxide, zinc sulphide, chrome green, neodymia, bismuth oxide, oxidation
Tin, zinc molybdate, ammonium molybdate, alkali formula cupric phosphate, cupric oxide, copper-chrome black, copper carbonate, copper sulphate, copper chloride, copper chromite, sulphur cyanogen
Sour copper, spinelle, tin ash, tin ash, sodium stannate, potassium stannate, zinc sulfate, antimony oxide, antimony pentoxide, sodium antimonate,
At least one in potassium carbonate, barium sulfate and carbon black；The compatilizer is selected from maleic anhydride stem grafting polyolefin elastomer, acrylic acid
Ester-ethylene oxidic ester-ethylene-dien terpolymer, methacrylate-butadiene-styrene rubber-styrene copolymer, ethylene-propylene
Acid ester copolymer, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene terpolymer, acrylonitrile-vinyl-
Styrene copolymer, hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, hard section containing polyester and
At least one in the block copolymer of polyester soft segment.
2. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
The weight average molecular weight of syndiotactic polytyrene is 200,000~700,000.
3. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
Intrinsic viscosity 2.2dL/g~the 3.0dL/g of polyhexamethylene adipamide.
4. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
Coupling agent is selected from least one in titanate coupling agent, silane coupler and aluminate coupling agent.
5. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
Antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, N, N'- couples-(3- (3,5- bis- uncles
Butyl -4- hydroxy phenyls) propiono) hexamethylene diamine, the β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid, 1,
3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) isocyanuric acid, three [2.4- di-tert-butyl-phenyls] phosphite esters, double (2,4-
DI-tert-butylphenol compounds) in pentaerythritol diphosphites and double (2,4- dicumylphenyl) pentaerythritol diphosphites at least
It is a kind of.
6. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that also wrap
The nucleator no more than 2 parts is included, the nucleator is selected from talcum powder, zinc oxide, silicate, stearate, nano imvite, carbon
At least one in hydrochlorate, phosphate, Sodium Benzoate, unary carboxylation.
7. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that also wrap
The auxiliary agent no more than 3 parts is included, the auxiliary agent is selected from least one in ultra-violet absorber, colouring agent, lubricant and releasing agent.
8. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
Basalt fibre is selected from least one in be chopped basalt fibre and continuous basalt fiber.
9. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
A diameter of 9 microns~15 microns of basalt fibre.
10. syndiotactic polytyrene according to claim 1-polyhexamethylene adipamide composite, it is characterised in that described
The chopped length of basalt fibre is 3 millimeters~6 millimeters.
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| CN112175290A (en) * | 2020-10-02 | 2021-01-05 | 东莞市烁康新材料科技有限公司 | Laser etching powder applied to laser marking and preparation process thereof |
| CN112552675A (en) * | 2019-09-26 | 2021-03-26 | 合肥杰事杰新材料股份有限公司 | Modified nylon 11 composition and preparation method thereof |
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| CN102702669A (en) * | 2012-06-15 | 2012-10-03 | 昆山聚威工程塑料有限公司 | PC /ABS (poly carbonate/acrylonitrile butadiene styrene) laser etching electroplating material |
| CN105602135A (en) * | 2016-01-05 | 2016-05-25 | 广州市聚赛龙工程塑料有限公司 | Gasoline-resistant glass-fiber-reinforced sPS composite and preparing method thereof |
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| US20040054082A1 (en) * | 2001-12-03 | 2004-03-18 | Bank David H | Toughened polymer blends with improved surface properties |
| CN102702669A (en) * | 2012-06-15 | 2012-10-03 | 昆山聚威工程塑料有限公司 | PC /ABS (poly carbonate/acrylonitrile butadiene styrene) laser etching electroplating material |
| CN105602135A (en) * | 2016-01-05 | 2016-05-25 | 广州市聚赛龙工程塑料有限公司 | Gasoline-resistant glass-fiber-reinforced sPS composite and preparing method thereof |
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| CN112552675A (en) * | 2019-09-26 | 2021-03-26 | 合肥杰事杰新材料股份有限公司 | Modified nylon 11 composition and preparation method thereof |
| CN112552675B (en) * | 2019-09-26 | 2023-10-20 | 合肥杰事杰新材料股份有限公司 | Modified nylon 11 composition and preparation method thereof |
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