CN106905611A - A kind of high glaze exempts from spray coating polypropylene composite and preparation method thereof - Google Patents
A kind of high glaze exempts from spray coating polypropylene composite and preparation method thereof Download PDFInfo
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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Abstract
Exempt from spray coating polypropylene composite and preparation method thereof the invention discloses a kind of high glaze.Acrylic resin, inorganic filler, antioxidant, lubricant and nucleator are weighed by mass fraction, is added to after mixing in the main feed hopper of parallel double-screw extruder；Meanwhile, weigh color master-batch by mass fraction and be added in the feed hopper of side, by melting extrusion, then granulate, cool down, obtain high glaze and exempt from spray coating polypropylene composite.The present invention with acrylic resin powder as metallic pigments and pearlescent pigment carrier, first premixed and be prepared into color master-batch afterwards, improve flow orientation in PP composite material of metallic pigments and pearlescent pigment and uniformly dispersed by side feeding addition manner again, largely maintain its original particle diameter, so as to alleviate the current mark and weld bond that are produced in injection moulding process, the metal-like of article surface is enhanced, while the usage amount of metallic pigments and pearlescent pigment can also be reduced.
Description
Technical field
The invention belongs to polymer modification field, and in particular to a kind of high glaze exempt from spray coating polypropylene composite and
Its preparation method.
Background technology
Polypropylene (PP) has simple synthesis technique, high comprehensive performance and relative low price, while easily carry out again
Modified the features such as so that its modified new-material emerges in an endless stream.With the popularization of low-carbon environment-friendly concept, substitute spray painting exempts from spraying again
Condensation material is increasingly paid close attention to by numerous enterprises and researcher, and is widely used in micro-wave oven, electric cooker, electric heater etc.
In daily electrical home appliance.
By adding the pigment with particular color such as metallic pigments and pearlescent pigment in PP composite material, can help
Client is helped to tackle diversified, the differential market demand, while the technological process of production, improve production efficiency can be reduced, life is reduced
Produce cost.Due to just can reach the metal effect and pearl effect of spraying without spraying, the gas being harmful to environmental toxic is not produced
The polluters such as body, dust, therefore energy-saving and emission-reduction are really realized in process of production.As can be seen here, exempting from sprayed on material will possess
Unique advantage, forms huge market potential.At present, high glaze exempts from the production granulation mode master of spray coating polypropylene composite
If directly adding metallic pigments and pearlescent pigment in polypropylene matrix resin, obtained by melting extrusion, although certain journey
Metal effect and pearl effect can be realized on degree, but metallic pigments and the pearlescent pigment particle diameter after the shearing of high temperature long bolt become
It is small, the metal-like on influence Injection moulded part surface, and article surface is also easy to produce current mark and weld bond etc. in injection molding process
Defect.This uniformly dispersed, flow orientation and screw rod mainly with metallic pigments and pearlescent pigment in PP composite material
Shear rate is relevant.
Chinese invention patent CN104479229A discloses one kind and exempts from spraying baking vanish imitative metallocene polypropylene material and preparation side
Method, blending extrusion is carried out by directly adding composite metal powder in polypropylene base, and the composite metal powder ratio that need to be added is high,
Current mark and weld bond are also easy to produce during injection moulding.Chinese invention patent CN102643505A discloses tool, and magnetic to exempt from spraying beautiful
Resin combination and preparation method thereof is learned, is mitigated the aesthetic resin containing aluminium powder pigment by preparing magnetic metal pigment master batch and is existed
The current mark and weld bond occurred in injection or extrusion, but prepare magnetic metal pigment master batch and pearlescent pigment surface is carried out
Cladding treatment process is complex, and production cost is higher.
The content of the invention
Exempt from spray coating polypropylene composite and preparation method thereof it is an object of the invention to provide a kind of high glaze, by with
Acrylic resin powder is the carrier of metallic pigments and pearlescent pigment, is first premixed and is prepared into color master-batch afterwards, then is fed by side
Material addition manner improves flow orientation in PP composite material of metallic pigments and pearlescent pigment and uniformly dispersed, and
Its original particle diameter is largely maintained, so as to alleviate the current mark and weld bond that are produced in injection moulding process, product is enhanced
The metal-like on surface, while the usage amount of metallic pigments and pearlescent pigment can also be reduced.
The purpose of the present invention is to be achieved through the following technical solutions：
Exempt from spray coating polypropylene composite the present invention relates to a kind of high glaze, the composite includes following components and quality
Number：
Further, the acrylic resin is one or two of HOPP or COPP, wherein homopolymerization
Polypropylene melt index under the conditions of 230 DEG C of temperature and load 2.16kg is 1~70g/10min, and COPP is in temperature 230
DEG C and load 2.16kg under the conditions of melt index be 1~50g/10min.
Further, the inorganic filler is one or more composition of barium sulfate, talcum powder or calcium carbonate,
Its particle size range is 1-15 μm.
Further, mass fraction of the talcum powder in high glaze exempts from spray coating polypropylene composite is not more than 20
Part.
Further, the antioxidant is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and Asia
Tricresyl phosphate (2,4- di-tert-butyl-phenyls) ester is by weight 1：The compound of (1-2).
Further, the lubricant is silicone oil, White Mineral Oil, fatty acid amide, barium stearate, magnesium stearate, paraffin, poly-
At least one in ethylene waxes, ethylene bis stearic acid amide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer.
Further, the nucleator be glucitols, organic phosphate, organic carboxyl acid salt, branched amide-type into
At least one in core agent.
Further, the color master-batch color master-batch by with acrylic resin powder as metallic pigments and pearlescent pigment load
Body, carries out premix and forms.
Further, acrylic resin powder melt index under the conditions of 230 DEG C of temperature and load 2.16kg be 1~
50g/10min。
Further, mass percent of the acrylic resin powder in color master-batch is not less than 50%.
Further, the metallic pigments be aluminium powder, silver powder, bronze, zinc powder, copper powder in one or more
Mixture, the metallic pigments are shaped as sheet, silver dollar shape, bar-shaped or spherical, and its particle diameter is 5 μm~300 μm.
Further, the pearlescent pigment is natural fish scale pearlescent pigment, the bismoclite of 100 μm~500 μm of particle diameter
Crystallization pearlescent pigment, mica coating pearlescent pigment, silica-coating pearlescent pigment, aluminium silicate salt coating pearlescent pigment, boric acid
Aluminium salt coating pearlescent pigment, artificial mica coating pearlescent pigment, bismuth oxide coating pearlescent pigment in one or more
Composition.
The method that high glaze exempts from spray coating polypropylene composite is prepared, is comprised the following steps：
Acrylic resin, inorganic filler, antioxidant, lubricant and nucleator are weighed by mass fraction, is mixed in high mixer
1-3min is closed, is added in the main feed hopper of parallel double-screw extruder after being well mixed, while being weighed by mass fraction
Masterbatch is added in the feed hopper of side, by melting extrusion, is then granulated, cooling, obtains high glaze and exempt from spray coating polypropylene answering
Condensation material.
Compared with prior art, the present invention by with acrylic resin powder as metallic pigments and pearlescent pigment carrier, elder generation
Color master-batch is prepared into after being premixed, then metallic pigments and pearlescent pigment are improved in polypropylene by side feeding addition manner
Flow orientation in composite and uniformly dispersed, largely maintains its original particle diameter, is molded so as to alleviate
The current mark and weld bond produced in journey, enhance the metal-like of article surface, while metallic pigments and pearly-lustre face can also be reduced
The usage amount of material.
Specific embodiment
With reference to specific embodiment and comparative example, the present invention is described further：
Embodiment 1
A kind of high glaze exempts from spray coating polypropylene composite, and as shown in table 1, its preparation method includes following its composition of raw materials
Step：
Acrylic resin, inorganic filler, antioxidant, lubricant and nucleator are weighed by mass fraction, is mixed in high mixer
1-3min is closed, is added in the main feed hopper of parallel double-screw extruder after being well mixed, while being weighed by mass fraction
Acrylic resin powder, metallic pigments and pearlescent pigment, are first premixed and are prepared into color master-batch afterwards, are then added to side feed hopper
In, by melting extrusion, then granulate, cool down, obtain high glaze and exempt from spray coating polypropylene composite.Specific material property, gold
The evaluation of category texture and current mark and weld bond is as shown in table 2.Wherein the rotating speed of extruder is 180~600 revs/min, each area's temperature
For：One 160~200 DEG C of area, two 200~240 DEG C of areas, three 200~240 DEG C of areas, four 200~240 DEG C of areas, five areas 200~240
DEG C, six 200~240 DEG C of areas, seven 200~240 DEG C of areas, eight 200~240 DEG C of areas, 220~250 DEG C of head.
Wherein, acrylic resin is that homopolymerization PP presses 4 with copolymerization PP:1 mixing, its melt flow rate (MFR) (230 DEG C/2.16kg)
Respectively 25g/10min and 7g/10min, antioxidant is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythrites
Ester is with phosphorous acid three (2,4- di-tert-butyl-phenyls) ester by weight 1:1 compound, lubricant is ethylene bis stearic acid amide,
To there is two (3,4- dimethylbenzylidene) sorbierites, color master-batch presses acrylic resin powder to nucleator：Metallic pigments：Pearly-lustre face
Material=8:1:1 premixed obtained by, and acrylic resin powder is homopolymerization PP powder, and its melt flow rate (MFR) (230 DEG C/2.16kg) is
32g/10min, metallic pigments are spherical aluminium powder, and its particle diameter is 100 μm, and pearlescent pigment is silica-coating pearlescent pigment,
Its particle diameter is 300 μm.
Embodiment 2
A kind of high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same embodiment of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, color master-batch presses acrylic resin powder：Metallic pigments：Pearlescent pigment=8:1:1 premixed obtained by, and polypropylene tree
Cosmetics is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, and metallic pigments are spherical aluminium powder,
Its particle diameter is 100 μm, and pearlescent pigment is silica-coating pearlescent pigment, and its particle diameter is 300 μm, and inorganic filler is barium sulfate,
Its particle diameter is 7 μm.
Embodiment 3
A kind of high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same embodiment of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, color master-batch presses acrylic resin powder：Metallic pigments：Pearlescent pigment=8:1:1 premixed obtained by, and polypropylene tree
Cosmetics is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, and metallic pigments are spherical aluminium powder,
Its particle diameter is 100 μm, and pearlescent pigment is silica-coating pearlescent pigment, and its particle diameter is 300 μm, and inorganic filler is barium sulfate,
Its particle diameter is 7 μm.
Embodiment 4
A kind of high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same embodiment of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, color master-batch presses acrylic resin powder：Metallic pigments：Pearlescent pigment=8:1:1 premixed obtained by, and polypropylene tree
Cosmetics is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, and metallic pigments are spherical aluminium powder,
Its particle diameter is 100 μm, and pearlescent pigment is silica-coating pearlescent pigment, and its particle diameter is 300 μm, and inorganic filler is barium sulfate,
Its particle diameter is 7 μm.
Embodiment 5
A kind of high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same embodiment of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 15g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is barium stearate, and nucleator is Sodium Benzoate, and color master-batch presses acrylic resin
Powder：Metallic pigments：Pearlescent pigment=8:1:1 premixed obtained by, and acrylic resin powder be homopolymerization PP powder, its melt flows speed
(230 DEG C/2.16kg) of rate is 22.5g/10min, and metallic pigments are spherical aluminium powder, and its particle diameter is 100 μm, and pearlescent pigment is two
Silica-coated pearlescent pigment, its particle diameter is 400 μm, and inorganic filler is that barium sulfate and calcium carbonate press 1:1, its particle diameter is respectively 7 μ
M and 10 μm.
Embodiment 6
A kind of high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same embodiment of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, color master-batch presses acrylic resin powder：Metallic pigments：Pearlescent pigment=8:1:1 premixed obtained by, and polypropylene tree
Cosmetics is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, and metallic pigments are spherical aluminium powder,
Its particle diameter be 100 μm, pearlescent pigment be silica-coating pearlescent pigment, its particle diameter be 300 μm, inorganic filler be barium sulfate,
Talcum powder and calcium carbonate press 1:1:1, its particle diameter is respectively 7 μm, 5 μm and 7 μm.
Comparative example 1
Common high glaze exempts from spray coating polypropylene composite, and as shown in table 1, its preparation method includes following its composition of raw materials
Step：
By mass fraction weigh acrylic resin, inorganic filler, antioxidant, lubricant, nucleator, acrylic resin powder,
Metallic pigments and pearlescent pigment, mix 1-3min in high mixer, and the master of parallel double-screw extruder is added to after being well mixed
In feed hopper, by melting extrusion, then granulate, cool down, obtain common high glaze and exempt from spray coating polypropylene composite.Specifically
The evaluation of material property, metal-like and current mark and weld bond is as shown in table 2.Wherein the rotating speed of extruder be 180~600 turns/
Point, each area's temperature is：One 160~200 DEG C of area, two 200~240 DEG C of areas, three 200~240 DEG C of areas, four 200~240 DEG C of areas, five
200~240 DEG C of area, six 200~240 DEG C of areas, seven 200~240 DEG C of areas, eight 200~240 DEG C of areas, 220~250 DEG C of head.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, acrylic resin powder is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, metal face
Expect to be spherical aluminium powder, its particle diameter is 100 μm, pearlescent pigment is silica-coating pearlescent pigment, its particle diameter is 300 μm, nothing
Machine filler is barium sulfate, and its particle diameter is 7 μm.
Comparative example 2
Common high glaze exempts from spray coating polypropylene composite, and its composition of raw materials is as shown in table 1, the same comparative example of its preparation method
1, the evaluation of specific material property, metal-like and current mark and weld bond is as shown in table 2.
Wherein, acrylic resin is homopolymerization PP, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 25g/10min, antioxygen
Agent is four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters and phosphorous acid three (2,4- di-tert-butyl-phenyls)
Ester is by weight 1:1 compound, lubricant is ethylene bis stearic acid amide, and nucleator is two (3,4- dimethylbenzylidenes)
Sorbierite, acrylic resin powder is homopolymerization PP powder, and (230 DEG C/2.16kg) of its melt flow rate (MFR) is 32g/10min, metal face
Expect to be spherical aluminium powder, its particle diameter is 100 μm, pearlescent pigment is silica-coating pearlescent pigment, its particle diameter is 300 μm, nothing
Machine filler is barium sulfate, and its particle diameter is 7 μm.
The high glaze of the embodiment of table 1 and comparative example exempts from the composition of raw materials (by mass fraction) of spray coating polypropylene composite
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 | Comparative example 2 |
| Acrylic resin | 95 | 80 | 75 | 70 | 60 | 50 | 75 | 75 |
| Inorganic filler | 0 | 10 | 10 | 10 | 20 | 30 | 10 | 10 |
| Antioxidant | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 1 | 0.2 | 0.2 |
| Lubricant | 0.1 | 0.3 | 0.3 | 0.3 | 0.3 | 2 | 0.3 | 0.3 |
| Nucleator | 0.05 | 0.2 | 0.2 | 0.2 | 0.2 | 0.5 | 0.2 | 0.2 |
| Color master-batch | 5 | 10 | 15 | 20 | 20 | 20 | / | / |
| Acrylic resin powder | / | / | / | / | / | / | 12 | 12 |
| Metallic pigments | / | / | / | / | / | / | 1.5 | 1.85 |
| Pearlescent pigment | / | / | / | / | / | / | 1.5 | 1.85 |
The high glaze of the embodiment of table 2 and comparative example exempt from spray coating polypropylene composite performance, metal-like and current mark and
Welding line assessment
Note：▲More expression metal-likes are better
More than zero represents that current mark and weld bond are more serious
Contrasted by embodiment 3 and comparative example 1 it can be seen that by with acrylic resin powder as metallic pigments and pearlescent pigment
Carrier, first premixed and be prepared into color master-batch afterwards, the high glaze prepared using side feeding addition manner exempts from spray coating polypropylene
The metal-like of composite is good, and current mark and weld bond are slight, is contrasted by embodiment 3 and comparative example 2 it can be seen that being fed by main
Material mode adds metallic pigments and pearlescent pigment reaches the metal-like of side feeding addition manner, metallic pigments and pearlescent pigment
Addition need to respectively increase by 23.3%, and the current mark and weld bond of article surface are even more serious in injection molding process.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (13)
1. a kind of high glaze exempts from spray coating polypropylene composite, it is characterised in that the composite includes following components and quality
Number：
Acrylic resin 50-95 parts,
Inorganic filler 0-30 parts,
Antioxidant 0.1-1.0 parts,
Lubricant 0.1-2.0 parts,
Nucleator 0.05-0.5 parts,
Color master-batch 5-20 parts.
2. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the acrylic resin
For HOPP or COPP one or two, wherein HOPP is in 230 DEG C of temperature and load 2.16kg bars
Melt index is 1 ~ 70g/10min under part, COPP melt index under the conditions of 230 DEG C of temperature and load 2.16kg is 1 ~
50g/10min。
3. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the inorganic filler is
One or more composition of barium sulfate, talcum powder or calcium carbonate, its particle size range is 1-15 μm.
4. high glaze according to claim 3 exempts from spray coating polypropylene composite, it is characterised in that the talcum powder is in height
The mass fraction that gloss is exempted from spray coating polypropylene composite is not more than 20 parts.
5. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the antioxidant is four
[β-（3,5- di-t-butyl 4- hydroxy phenyls）Propionic acid] pentaerythritol ester and phosphorous acid three（2,4- di-tert-butyl-phenyls）Ester is by weight
Amount compares 1：（1-2）Compound.
6. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the lubricant is silicon
Oil, White Mineral Oil, fatty acid amide, barium stearate, magnesium stearate, paraffin, Tissuemat E, ethylene bis stearic acid amide, ethene-vinegar
At least one in sour ethylene copolymer, ethylene-acrylic acid copolymer.
7. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the nucleator is mountain
At least one in pears alcohols, organic phosphate, organic carboxyl acid salt, branched amide-type nucleator.
8. high glaze according to claim 1 exempts from spray coating polypropylene composite, it is characterised in that the color master-batch by
With acrylic resin powder as metallic pigments and pearlescent pigment carrier, carry out premix and form.
9. high glaze according to claim 8 exempts from spray coating polypropylene composite, it is characterised in that the acrylic resin
Powder melt index under the conditions of 230 DEG C of temperature and load 2.16kg is 1 ~ 50g/10min.
10. high glaze according to claim 8 exempts from spray coating polypropylene composite, it is characterised in that the polypropylene tree
Mass percent of the cosmetics in color master-batch is not less than 50%.
11. high glazes according to claim 8 exempt from spray coating polypropylene composite, it is characterised in that the metallic pigments
It is one or more the mixture in aluminium powder, silver powder, bronze, zinc powder, copper powder, the metallic pigments are shaped as piece
Shape, silver dollar shape, bar-shaped or spherical, its particle diameter is 5 μm~300 μm.
12. high glazes according to claim 8 exempt from spray coating polypropylene composite, it is characterised in that the pearlescent pigment
It is 100 μm~500 μm of natural fish scale pearlescent pigment, bismoclite crystallization pearlescent pigment, mica coating pearlescent pigment, two of particle diameter
Silica-coated pearlescent pigment, aluminium silicate salt coating pearlescent pigment, boric acid aluminium salt coating pearlescent pigment, artificial mica coating pearly-lustre
One or more composition in pigment, bismuth oxide coating pearlescent pigment.
The method that high glaze described in 13. preparation claim any one of 1-12 exempts from spray coating polypropylene composite, including it is following
Step：
Acrylic resin, inorganic filler, antioxidant, lubricant and nucleator are weighed by mass fraction, 1- is mixed in high mixer
3min, is added in the main feed hopper of parallel double-screw extruder after being well mixed；Simultaneously color masterbatch is weighed by mass fraction
Grain is added in the feed hopper of side, by melting extrusion, is then granulated, is cooled down, and is obtained high glaze and is exempted from spray coating polypropylene composite wood
Material.
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| CN107722446A (en) * | 2017-10-31 | 2018-02-23 | 四川长虹电器股份有限公司 | Polypropylene material and preparation method thereof with high glaze, low linear expansion coefficient |
| CN108707279A (en) * | 2018-05-18 | 2018-10-26 | 中广核俊尔（上海）新材料有限公司 | A kind of eutectic lapping defect exempts from spray coating polypropylene composite material and preparation method without current mark |
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| CN108707279B (en) * | 2018-05-18 | 2021-01-19 | 中广核俊尔（上海）新材料有限公司 | Low-melting-mark flow-mark-free spraying-free polypropylene composite material and preparation method thereof |
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| CN109291295A (en) * | 2018-08-30 | 2019-02-01 | 江苏金发科技新材料有限公司 | Improve the method for high-gloss polypropylene composite material toner point |
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| CN109679209A (en) * | 2018-12-25 | 2019-04-26 | 重庆科聚孚工程塑料有限责任公司 | The PP composite material and preparation method of metal-like |
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| CN110903553B (en) * | 2019-11-15 | 2022-04-01 | 广东天雄新材料科技股份有限公司 | Spraying-free PP/PCTG alloy material with multicolor effect and preparation method thereof |
| CN110835442A (en) * | 2019-12-11 | 2020-02-25 | 广东圆融新材料有限公司 | Polypropylene/polyamide/polyketone composite material and preparation method thereof |
| CN110835442B (en) * | 2019-12-11 | 2022-05-24 | 广东圆融新材料有限公司 | Polypropylene/polyamide/polyketone composite material and preparation method thereof |
| CN110982183A (en) * | 2019-12-18 | 2020-04-10 | 万华化学（宁波）有限公司 | Polypropylene composite material with obvious pearl effect and preparation method and application thereof |
| CN110982183B (en) * | 2019-12-18 | 2022-03-11 | 万华化学（宁波）有限公司 | Polypropylene composite material with obvious pearl effect and preparation method and application thereof |
| CN111117065A (en) * | 2019-12-25 | 2020-05-08 | 重庆科聚孚工程塑料有限责任公司 | High-gloss, low-VOC and scratch-resistant PP material and preparation method and device thereof |
| CN111117065B (en) * | 2019-12-25 | 2023-04-25 | 重庆科聚孚工程塑料有限责任公司 | High-gloss, low-VOC and scratch-resistant PP material and preparation method and device thereof |
| CN112142997A (en) * | 2020-09-18 | 2020-12-29 | 会通新材料(上海)有限公司 | Functional master batch for improving appearance flow mark defect of spraying-free material and preparation method |
| CN112142997B (en) * | 2020-09-18 | 2022-08-02 | 会通新材料(上海)有限公司 | Functional master batch for improving appearance flow mark defect of spraying-free material and preparation method |
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Inventor after: Yu Haiou Inventor after: Luo Xianzu Inventor after: Wang Canyao Inventor after: Yi Qingfeng Inventor after: Sang Jie Inventor before: Yu Haiou Inventor before: Luo Xianzu Inventor before: Wang Canyao Inventor before: Yi Qingfeng Inventor before: He Jihui Inventor before: Sang Jie |
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