CN110408120A - A kind of the antistatic of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material and preparation method - Google Patents
A kind of the antistatic of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material and preparation method Download PDFInfo
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- CN110408120A CN110408120A CN201810396548.0A CN201810396548A CN110408120A CN 110408120 A CN110408120 A CN 110408120A CN 201810396548 A CN201810396548 A CN 201810396548A CN 110408120 A CN110408120 A CN 110408120A
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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
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
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Abstract
Antistatic the invention discloses a kind of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material and preparation method, it is mixed by polypropylene, mineral-filled, toughener, function additive, metallic pigments, coupling agent, antioxidant, lubricant, the steady agent of light, is squeezed out and be prepared.The function additive is to be compounded by wollastonite whisker with glyceryl monostearate by mixed mass ratio for 1:1 ~ 4:1.The present invention is compounded using polypropylene and mineral-filled, toughener, it ensure that the intensity, rigidity, toughness of composite material, the crystallization rate and crystallinity of material are improved additionally by addition function additive, reduce the after-contraction of product, the formed product period is shortened, while forming conductive network in material internal, makes material specifically certain electric conductivity, the surface antistatic properties for improving material make modified PP composite material can be widely used for exempting to spray class product.
Description
Technical field
The invention belongs to technical field of polymer composite materials, and in particular to a kind of low coefficient of linear thermal expansion it is antistatic
Exempt from spray coating polypropylene composite material and preparation method.
Background technique
Polypropylene has many advantages, such as light, high performance-price ratio, easy processing, oil resistant, resistance to acid and alkali, is widely used in it major
Industry.Under the promotion of lightweight process, each production phase is in optimization technique, reduced cost, raising production efficiency.
Exempting from spray coating polypropylene composite material is that a kind of can reach spraying by direct injection molding, without spray
The material of effect.They are by filling the special effect pigments such as metallic pigments, pearlescent pigment in resin base material to reach it
Special color effect improves production efficiency to eliminate spraying process, and reduces the overall cost of product；In addition, system
Part, which can also not need specially treated, directly to be recycled, and be a kind of environmentally friendly new material.Therefore it is poly- to exempt from spraying
Acrylic composite has huge market prospects, before the fields such as automobile interior decoration, exterior trim, household electrical appliances all have a wide range of applications
Scape.
Assign PP composite material bright and colourful appearance although exempting from spraying technology, some shortcomings of its product are also opened up
Reveal and comes and be amplified.Since polypropylene material belongs to semi-crystalline material, spraying technology can be further ensured that polypropylene composite materials
The dimensional stability of material, and it is high, beautiful in colour to exempt from spray coating polypropylene surface gloss, in production, transport and use process,
Electrostatic is inevitably generated, to adsorb dust, the beauty of material is seriously affected, causes products appearance unqualified.These are lacked
Point seriously limits the application for exempting from spray coating polypropylene composite material.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides one kind and is suitable for industrialized mass production for low linear
The antistatic of thermal expansion coefficient exempts from spray coating polypropylene composite material and preparation method.
In order to achieve the above object, the present invention is realized by following technical proposal:
A kind of the antistatic of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material and preparation method, by following
Component is prepared by weight: 50-94 parts of polypropylene, 5-20 parts mineral-filled, 0-20 parts of toughener, effect pigment 0.2-1
Part, 1-5 parts of function additive, 0.1-0.5 parts of coupling agent, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant, the steady agent 0.1- of light
0.5 part；
The function additive is to be compounded by wollastonite whisker with glyceryl monostearate by mixed mass ratio for 1:1~1:4
It forms.
Further scheme, the polyacrylic melt index are greater than 20g/10min under the conditions of 230 DEG C/2.16Kg, are drawing
It stretches the tensile strength in the case of speed is 50mm/min and is greater than 19MPa.
Mineral-filled talcum powder, the calcium carbonate for being greater than 1500 mesh for partial size mesh number.
The toughener is ethylene propylene diene rubber, ethylene octene copolymer or butadiene rubber.
The effect pigment is metallic pigments or the metallic pigments that surface is coated with coating layer, and wherein metallic pigments are aluminium
One or more of powder, stainless steel powder, copper powder, bronze, silver powder, glass putty and iron powder, the form of the metallic pigments are ball
Shape, one of silver bar shape or cornflake, metallic pigments partial size are 1~300 μm, preferably 15~100 μm of partial size；The packet
Coating is selected from the combination of one or more of polyethylene wax, acrylate, dioctyl adipate or mineral oil.
The wollastonite whisker is acicular wollastonite, draw ratio 10-30；The glyceryl monostearate is a kind of parent
Aqueous interior antistatic agent.
The coupling agent is at least one of silane coupling agent, titanate coupling agent.
The antioxidant is the mixing of one or more of antioxidant 1010, antioxidant DSTDP, irgasfos 168
Object.
The lubricant is ethylene bis stearamide, silicone, zinc stearate, lead stearate, barium stearate, stearic acid
At least one of calcium or pentaerythritol stearate；The steady agent of the light is that hindered amines compounds the steady agent of light.
Another goal of the invention of the invention is to provide the antistatic of above-mentioned low coefficient of linear thermal expansion and exempts from spray coating polypropylene
The preparation method of composite material, by weight, by polypropylene, mineral-filled, toughener, metallic pigments, function additive, coupling
Agent, antioxidant, lubricant are added that high-speed mixer and mixing is uniform together with the steady agent of light, then by uniformly mixed mixture through squeezing out
It is granulated after machine melting extrusion, the antistatic of low coefficient of linear thermal expansion can be prepared and exempt from spray coating polypropylene composite material；It is described to squeeze
Temperature of the machine from feed opening to die orifice is respectively 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C out, and extruder turns
Speed is 180~400rpm, vacuum degree is -0.07~-0.03MPa.
The beneficial effects of the present invention are as follows:
1, the present invention is compounded using polypropylene and mineral-filled, toughener, ensure that the intensity, rigid, tough of composite material
Property, while the crystallization rate and crystallinity of material are improved by adding function additive, the after-contraction of product is reduced, is shortened
The formed product period, while conductive network is formed in material internal, make material specifically certain electric conductivity, improves the surface of material
Antistatic property.
2, the present invention is improved compound using the low coefficient of linear thermal expansion of the wollastonite whisker in function additive and at nuclearity
The crystallinity of material, and the thermal linear expansion coefficient of PP composite material is effectively reduced.
3, the present invention is premixed using the antistatic and lubricity of the glyceryl monostearate in function additive with wollastonite
In the process, protection wollastonite whisker retains enough draw ratios in Screw Extrusion, and it is swollen preferably to play its low linear heat
The effect of swollen coefficient；In addition, glyceryl monostearate antistatic agent and metallic pigments act synergistically, formed inside product conductive
Access reduces the surface resistivity of material, improves antistatic property；Again, due to the hydrophily of glyceryl monostearate, migration
Property, it can migrate to a certain extent to article surface, the moisture being covered in polymer surfaces absorption air, exempt to spray material
Expect that surface forms conductive layer, to enable the charge of material surface effectively to dissipate, to achieve the effect that antistatic.
Specific embodiment
Embodiment is given below so that the present invention to be specifically described, it is necessary to which indicated herein is following embodiment
It is used to further illustrate the present invention, should not be understood as limiting the scope of the invention, the ordinary skill in the field
Personnel still fall within protection scope of the present invention to some nonessential improvement of the invention made or adjustment according to this embodiment.
The model of each component is as follows in the present invention:
Wherein polypropylene used is PP-K9026, PP-K7926, PP-BX3800, PP-BX3900, PP-BX3920；
It is used mineral-filled for talcum powder AH51210, calcium carbonate LD-1000C；
Toughening agent is POE8200, POE8842, EPDM, BR；
Function additive used is the blend of wollastonite whisker (Jiangxi Ao Teli) and ATMER 129 (vapour bar), by mixed matter
Amount is than being blend made of 1:1~1:4 compounding.
Metallic pigments used are that Shanghai strength multiplies aluminum strip；
Coupling agent used is KH550；
Antioxidant used is 1010, irgasfos 168 and antioxidant DSTDP；
It is with lubricator ethylene bis stearamide EBS/P-130, calcium stearate, zinc stearate, lead stearate, stearic acid
Barium, pentaerythritol stearate；
Using up steady agent is V703.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Weigh 50 parts of dry polypropylene PP-K7926,20 parts of talcum powder AH51210,20 parts of toughenings respectively by weight ratio
8200,0.2 parts of metallic pigments of agent POE, 5 parts of function additives (wollastonite whisker: ATMER 129=4:1), 0.1 part of antioxidant
1010,0.1 part of antioxidant DSTDP, 0.2 part of Lubricate EBS, 0.3 part of coupling agent KH550, the steady agent V703 of 0.1 part of light, will be above-mentioned
Material is added in high-speed mixer and is uniformly mixed, and then uniformly mixed mixing is added in extruder, water cooled rear pelletizing.Its
In, the processing temperature of extruder is followed successively by 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, master by feed opening to die orifice
Machine revolving speed is 180rpm, and vacuum degree is -0.03MPa.
Embodiment 2
Weigh 70 parts of dry polypropylene PP-K9026,10 parts of talcum powder AH51210,15 parts of toughenings respectively by weight ratio
Agent EPDM, 0.4 part of metallic pigments, 1 part of function additive (wollastonite whisker: ATMER 129=2:1), 0.1 part of antioxidant, 0.1 part
Antioxidant DSTDP, 0.2 part of irgasfos 168,0.2 part of lubricant stearic acid calcium, 0.3 part of coupling agent KH550,0.3 part of steady agent of light
V703 will be uniformly mixed, water cooled rear pelletizing in the powder in above-mentioned material and pellet addition high-speed mixer.Wherein, it squeezes out
The processing temperature of machine is followed successively by 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, engine speed by feed opening to die orifice
For 200rpm, vacuum degree is -0.05MPa.
Embodiment 3
Weigh 60 parts of dry polypropylene PP-K9026,34 parts of PP-BX3800,5 parts of talcum powder respectively by weight ratio
AH51210,9 parts of toughener POE, 8200,1 parts of metallic pigments, 4 parts of function additives (wollastonite whisker: ATMER 129=1:1),
0.1 part of antioxidant 1010,0.1 part of antioxidant DSTDP, 0.2 part of irgasfos 168,0.2 part of Lubricate EBS, 0.3 part of coupling agent
Above-mentioned material is added in high-speed mixer and is uniformly mixed by KH550, the steady agent V703 of 0.3 part of light, then by uniformly mixed mixing
It is added in extruder, water cooled rear pelletizing.Wherein, the processing temperature of extruder is followed successively by 180 DEG C, 190 by feed opening to die orifice
DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, engine speed 350rpm, vacuum degree be -0.05MPa.
Embodiment 4
Weigh 50 parts of dry polypropylene PP-BX3920,20 parts of calcium carbonate LD-1000C, 20 parts of increasings respectively by weight ratio
8842,1 parts of metallic pigments of tough dose of POE, 5 parts of function additives (wollastonite whisker: ATMER 129=3:1), 0.1 part of antioxidant
1010,0.1 part of irgasfos 168,0.2 part of Lubricate EBS, 0.2 part of coupling agent KH550, the steady agent V703 of 0.4 part of light, by above-mentioned material
Expect to be added in high-speed mixer and be uniformly mixed, then uniformly mixed mixing is added in extruder, water cooled rear pelletizing.Its
In, the processing temperature of extruder is followed successively by 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C by feed opening to die orifice, main
Machine revolving speed is 400rpm, and vacuum degree is -0.06MPa.
Embodiment 5
Weigh 45 parts of dry polypropylene PP-K9026,30 parts of PP-BX3900,20 parts of talcum powder respectively by weight ratio
AH51210,0.6 part of metallic pigments, 3 parts of function additives (wollastonite whisker: ATMER 129=4:1), 0.1 part of antioxidant 1010,
0.1 part of irgasfos 168,0.2 part of Lubricate EBS, 0.2 part of coupling agent KH550, the steady agent V703 of 0.4 part of light, above-mentioned material is added
It is uniformly mixed in high-speed mixer, then uniformly mixed mixing is added in extruder, water cooled rear pelletizing.Wherein, it squeezes out
The processing temperature of machine is followed successively by 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, engine speed by feed opening to die orifice
For 400rpm, vacuum degree is -0.06MPa.
Comparative example
Weigh 48 parts of dry polypropylene PP-K9026,30 parts of PP-BX3900,20 parts of talcum powder respectively by weight ratio
AH51210,0.6 part of metallic pigments, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of Lubricate EBS, 0.2 part of coupling
Above-mentioned material is added in high-speed mixer and is uniformly mixed by agent KH550, the steady agent V703 of 0.4 part of light, then mixed by what is be uniformly mixed
It closes and is added in extruder, water cooled rear pelletizing.Wherein, the processing temperature of extruder by feed opening to die orifice be followed successively by 180 DEG C,
190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, engine speed 400rpm, vacuum degree are -0.06MPa.
The test data of embodiment 1-5 and the composite material of comparative example preparation is as shown in the table:
Remarks: surface resistivity is tested according to ASTM D257 in upper table；Thermal linear expansion coefficient is surveyed according to ASTM E831
Examination.
The PP composite material of 1-5 of embodiment of the present invention preparation, due to being added with function additive, so making answering for preparation
The thermal linear expansion coefficient and surface resistivity of condensation material are substantially reduced relative to the comparative example of no addition function additive,
Product size is more stable, and antistatic property is good, prevents surface dirt.Therefore, PP composite material prepared by the present invention can root
It is needed according to client, is applied to and more exempts from sprayed product.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (10)
1. a kind of the antistatic of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material, it is characterised in that: it is by with the following group
Point be prepared by weight: 50-94 parts of polypropylene, 5-20 parts mineral-filled, 0-20 parts of toughener, 0.2-1 parts of effect pigment,
1-5 parts of function additive, 0.1-0.5 parts of coupling agent, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant, the steady agent 0.1-0.5 of light
Part；
It is that 1:1 ~ 4:1 is compounded with glyceryl monostearate that the function additive is by wollastonite whisker in mass ratio.
2. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the polyacrylic melt index is greater than 20g/10min under the conditions of 230 DEG C/2.16Kg, is 50mm/ in tensile speed
Tensile strength in the case of min is greater than 19MPa.
3. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
It is: the mineral-filled talcum powder or calcium carbonate for being greater than 1500 mesh for partial size.
4. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the effect pigment is the metallic pigments that metallic pigments or surface are coated with coating layer, wherein metallic pigments be aluminium powder,
One or more of stainless steel powder, copper powder, bronze, silver powder, glass putty and iron powder, the forms of the metallic pigments be it is spherical,
One of silver bar shape or cornflake, metallic pigments partial size are 1~300 μm；The clad is selected from polyethylene wax, propylene
The combination of one or more of acid esters, dioctyl adipate or mineral oil.
5. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the wollastonite whisker is acicular wollastonite, draw ratio 10-30；The glyceryl monostearate is a kind of hydrophilic
Property inner antistatic agent.
6. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the coupling agent is at least one of silane coupling agent, titanate coupling agent.
7. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the toughener is ethylene propylene diene rubber, ethylene octene copolymer or butadiene rubber.
8. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the antioxidant is the mixture of one or more of antioxidant 1010, antioxidant DSTDP, irgasfos 168.
9. the antistatic of low coefficient of linear thermal expansion according to claim 1 exempts from spray coating polypropylene composite material, feature
Be: the lubricant is ethylene bis stearamide, silicone, zinc stearate, lead stearate, barium stearate, calcium stearate
Or at least one of pentaerythritol stearate；The steady agent of the light is that hindered amines compounds the steady agent of light.
10. a kind of the antistatic of the described in any item low coefficient of linear thermal expansion of claim 1-9 such as that prepare exempts from spray coating polypropylene
The method of composite material, it is characterised in that: by weight, polypropylene, mineral-filled, toughener, effect pigment, function are helped
It is uniform that high-speed mixer and mixing is added together with the steady agent of light in agent, antioxidant, coupling agent, lubricant；Then by uniformly mixed mixing
Object is granulated after extruder melting extrusion, can be prepared the antistatic of height thermal linear expansion coefficient and be exempted from spray coating polypropylene composite wood
Material；Temperature of the extruder from feed opening to die orifice is respectively 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, is squeezed
The revolving speed of machine is 180~400rpm out, vacuum degree is -0.07~-0.03MPa.
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| CN201810396548.0A CN110408120B (en) | 2018-04-27 | 2018-04-27 | Antistatic spraying-free polypropylene composite material with low linear thermal expansion coefficient and preparation method thereof |
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Cited By (5)
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| CN111423665A (en) * | 2020-05-18 | 2020-07-17 | 红壹佰照明有限公司 | Polypropylene-based composite material for coating metal and preparation method and application thereof |
| CN111454515A (en) * | 2020-04-20 | 2020-07-28 | 盘锦海兴科技股份有限公司 | Rigidity-enhancing and toughening antistatic polypropylene master batch and preparation method thereof |
| CN112225995A (en) * | 2020-09-23 | 2021-01-15 | 重庆会通科技有限公司 | Spraying-free polypropylene composite material and preparation method thereof |
| CN113831641A (en) * | 2021-09-26 | 2021-12-24 | 上海日之升科技有限公司 | Polypropylene material composite material with low linear expansion coefficient and high surface hardness and preparation method thereof |
| CN115610063A (en) * | 2022-12-20 | 2023-01-17 | 温州鑫泰新材料股份有限公司 | Low-crimping high-temperature-resistant flame-retardant insulating packaging film and preparation method thereof |
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| CN111423665B (en) * | 2020-05-18 | 2022-06-07 | 红壹佰照明有限公司 | Polypropylene-based composite material for coating metal and preparation method and application thereof |
| CN112225995A (en) * | 2020-09-23 | 2021-01-15 | 重庆会通科技有限公司 | Spraying-free polypropylene composite material and preparation method thereof |
| CN113831641A (en) * | 2021-09-26 | 2021-12-24 | 上海日之升科技有限公司 | Polypropylene material composite material with low linear expansion coefficient and high surface hardness and preparation method thereof |
| CN115610063A (en) * | 2022-12-20 | 2023-01-17 | 温州鑫泰新材料股份有限公司 | Low-crimping high-temperature-resistant flame-retardant insulating packaging film and preparation method thereof |
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