CN108329599A - A kind of lower shrinkage, high durable PP composite material and preparation method thereof - Google Patents
A kind of lower shrinkage, high durable PP composite material and preparation method thereof Download PDFInfo
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- CN108329599A CN108329599A CN201710048629.7A CN201710048629A CN108329599A CN 108329599 A CN108329599 A CN 108329599A CN 201710048629 A CN201710048629 A CN 201710048629A CN 108329599 A CN108329599 A CN 108329599A
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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
- C08L23/14—Copolymers of propene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of lower shrinkages, high durable PP composite material and preparation method thereof, it is prepared by 45 75 parts of copolymer polypropylene, 10 30 parts of reinforcing agent, 10 25 parts of toughener, 03 parts of compatilizer, 0.1 0.5 parts of coupling agent, 0.1 0.5 parts of antioxidant, 0.1 0.5 parts of lubricant, 0.1 0.5 parts of the steady agent of light through mixing, squeezing out.The present invention is compounded using copolymer polypropylene and reinforcing agent, toughener, reduce the shrinking percentage of resin matrix, improve the dimensional stability of material, the intensity of composite material is improved simultaneously, modified PP composite material is set to can be widely used for exempting from spray, thin-wall bumper product, shorten the bumper production cycle, saves production cost.
Description
Technical field
The invention belongs to technical field of polymer composite materials, and in particular to a kind of lower shrinkage, high durable polypropylene composite materials
Material and preparation method thereof.
Technical background
Polypropylene has many advantages, such as light, high performance-price ratio, easy processing, oil resistant, resistance to acid and alkali, so that it is widely used in major
Industry.Object is not automobile industry, and overall plastic bumper has been popularized and has been widely used in major main engine plants, at present conventional fuse thick stick material
Material is all the product system of PP/EPDM, product wall thickness 2.7mm or more.With the propulsion of automotive light weight technology, each main engine plants are to vapour
Vehicle bumper proposes new demand, such as high fluidity, high rigidity, dimensional stability, exempts from spraying, while also requiring lightweight,
Bumper wall thickness is reduced within 2.2mm, loss of weight, shortens molding cycle.
Polypropylene material due to density it is small, it is heat-resisting it is excellent, fatigue durability is good and price is low, widely used.But polypropylene
The reasons such as crystallinity is higher, poor dimensional stability, weather resistance are low and increase it and be applied directly to the difficulty of bumper product.
In order to extend application of the polypropylene material in the field, active development shrinking percentage is low, weather-proof lasting, dimensionally stable polypropylene is multiple
Condensation material becomes one of current research direction.
Invention content
The present invention is directed to problems of the prior art, provide it is a kind of be suitable for industrialized mass production for exempt from spray,
The lower shrinkage of thin-wall bumper, high durable PP composite material and preparation method thereof.
In order to achieve the above object, the present invention is realized by following technical proposal：
A kind of to be used to exempt from spray, the lower shrinkage of thin-wall bumper, high durable PP composite material, the material is by following components
It is made by weight：45-75 parts of copolymer polypropylene, 10-30 parts of reinforcing agent, 10-25 parts of toughener, 0-3 parts of compatilizer, coupling agent
0.1-0.5 parts, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant, steady agent 0.1-0.5 parts of light.
The melt index of further scheme, the copolymer polypropylene is more than 30g/ under the conditions of 230 DEG C/2.16Kg
10min is more than 19MPa, Izod notched impact strength 20KJ/ in the tensile strength that tensile speed is 50mm/min
m2。
The reinforcing agent is at least one of talcum powder, calcium carbonate, mineral fibres.
The mineral fibres be magnesium sulfate crystal whisker, silica whisker, aluminium borate whisker, one kind in glass fibre or
It is several；The grain size mesh number of the talcum powder and calcium carbonate is more than 1500 mesh.
Between a diameter of 10-16um of glass fibre.
The toughener is ethylene propylene diene rubber (EPDM), ethylene octene copolymer (POE) or butadiene rubber (BR).
The compatilizer is maleic anhydride inoculated polypropylene (PP-G) or ethylene octene copolymer grafted maleic anhydride (POE-
G)。
The antioxidant is the mixing of one or more of antioxidant 1010, antioxidant DSTDP, irgasfos 168
Object；The coupling agent is at least one of silane coupling agent, titanate coupling agent.
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 present invention is to provide the preparation side of above-mentioned lower shrinkage, high durable PP composite material
Method by weight adds polypropylene, reinforcing agent, toughener, compatilizer, antioxidant, coupling agent, lubricant together with the steady agent of light
It is uniform to enter high-speed mixer and mixing；Then it will be granulated after the uniformly mixed extruded machine melting extrusion of mixture, you can prepare low receipts
Contracting, temperature of the extruder from feed opening to die orifice described in high durable PP composite material be respectively 180 DEG C, 190 DEG C, 195 DEG C,
195 DEG C, 200 DEG C, 205 DEG C, the rotating speed of extruder is 180~400rpm, vacuum degree is -0.07~-0.03MPa.
Compared with prior art, the present invention haing the following advantages：
1, the present invention is compounded using copolymer polypropylene and reinforcing agent, toughener, reduces the shrinking percentage of resin matrix, is ensured
The toughness of material, improves the dimensional stability of material, while improving the intensity of composite material, keeps modified polypropylene multiple
Condensation material can be applied to exempt from spray, thin-wall bumper product.
2, PP composite material prepared by the present invention has lower shrinkage, high tenacity, dimensionally stable and excellent weatherability
Energy.
Specific implementation mode
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 the nonessential improvement of some made of the invention or adjustment according to this embodiment.
The model of each component is as follows in the present invention：
Copolymer polypropylene wherein used is PP-K9026, PP-BX3800, PP-K7760H, PP-K7100；
Reinforcing agent used is magnesium sulfate crystal whisker WS-1S2, alkali-free glass fiber ER14-1000-988A, talcum powder AH51210, carbon
Sour calcium LD-1000C；
Toughening agent is POE8200, POE8842, EPDM, BR；
Compatilizer used is PP-G, POE-G；
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；
It is V703 to use up steady agent.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Weigh respectively by weight ratio 45 parts of dry copolymer polypropylene PP-K9026,10 parts of calcium carbonate, 20 parts of talcum powder,
0.1 part of antioxidant 1010,0.1 part of antioxidant DSTDP, 25 parts of toughener POE, 8200,0.2 parts of Lubricate EBSs, 0.3 part of coupling
Above-mentioned material is added in high-speed mixer and is uniformly mixed by agent KH550, the steady agent V703 of 0.2 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 180rpm, vacuum degree are -0.03MPa.
Embodiment 2
Weigh respectively by weight ratio 65 parts of dry copolymer polypropylene PP-K7100,10 parts of magnesium sulfate crystal whisker WS-1S2,
10 parts of talcum powder AH51210,2 parts of compatilizer PP-G, 0.1 part of antioxidant, 15 parts of toughener EPDM, 0.1 part of antioxidant DSTDP,
0.2 part of irgasfos 168,0.2 part of lubricant stearic acid calcium, 0.3 part of coupling agent KH550,2 parts of compatilizer PP-G, 0.3 part of steady agent of light
Above-mentioned material is added in high-speed mixer and is uniformly mixed by V703, then uniformly mixed mixing is added in extruder, through water
Pelletizing after cold.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 200rpm, vacuum degree be -0.05MPa.
Embodiment 3
Weigh 55 parts of dry copolymer polypropylene PP-K7760H, 10 parts of alkali-free glass fiber ER14- respectively by weight ratio
1000-988A, 15 parts of talcum powder AH51210,0.1 part of antioxidant 1010,0.1 part of antioxidant DSTDP, 0.2 part of irgasfos 168,
20 parts of toughener POE, 8200,0.2 parts of Lubricate EBSs, 0.3 part of coupling agent KH550,2 parts of compatilizer POE-G, 0.3 part of steady agent of light
Above-mentioned material is added in high-speed mixer and is uniformly mixed by V703, then uniformly mixed mixing is added in extruder, through water
Pelletizing after cold.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 350rpm, vacuum degree be -0.05MPa.
Embodiment 4
Weigh 50 parts of dry copolymer polypropylene PP-K9026,25 parts of alkali-free glass fiber ER14-1000- respectively by weight ratio
988A, 5 parts of talcum powder AH51210,0.1 part of antioxidant 1010,0.1 part of irgasfos 168,20 parts of 8842,0.4 parts of toughener POE
High speed is added in above-mentioned material by the steady agent V703 of light, 0.2 part of Lubricate EBS, 0.2 part of coupling agent KH550,2 parts of compatilizer POE-G
It is uniformly mixed in mixing machine, then uniformly mixed mixing is added in extruder, water cooled rear pelletizing.Wherein, extruder
Processing temperature 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, and engine speed is
400rpm, vacuum degree are -0.06MPa.
Embodiment 5
Weigh 70 parts of dry copolymer polypropylene PP-K7100,10 parts of talcum powder AH51210,0.1 respectively by weight ratio
Part antioxidant 1010,0.4 part of lubricant stearic acid zinc, 20 parts of toughener BR, 0.2 part of coupling agent KH550,0.5 part of steady agent of light
V703 is 0.5 part, and above-mentioned material is added in high-speed mixer and is uniformly mixed, and extruder then is added in uniformly mixed mixing
In, 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 is -0.05MPa.
Embodiment 6
Weigh 65 parts of dry copolymer polypropylene PP-K9026,10 parts of talcum powder AH51210,0.1 respectively by weight ratio
Part antioxidant 1010,0.3 part of irgasfos 168,25 parts of toughener POE, 8200,0.2 parts of coupling agent KH550,5 parts of compatilizer PP-
Above-mentioned material is added in high-speed mixer and is uniformly mixed, then by G, 0.1 part of lubricant stearic acid barium, the steady agent V703 of 0.2 part of light
Uniformly mixed mixing is added in extruder, water cooled rear pelletizing.Wherein, the processing temperature of extruder is by feed opening to die orifice
180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, engine speed 350rpm are followed successively by, vacuum degree is -0.06MPa.
The test data of composite material prepared by embodiment 1-6 is as shown in the table：
Remarks：Data above is tested using GB Strip Test methods.
It can be seen that melting means, intensity and the notch punching of PP composite material prepared by the present invention from the above correction data
Hit intensity has different degrees of variation, and the shrinking percentage of material fluctuates between 0.6-0.9.Therefore, the present invention prepare poly- third
Alkene composite material can meet the needs of its different shrinking percentage, be applied to and exempt from spray, thin-wall bumper product according to client's needs.Separately
Outside, chromatic aberration △ E of the composite material after xenon lamp accelerated ageing in 500 hours is respectively less than 0.6, and it is excellent to show that the composite material has
Good weather resistance can be very good to meet and exempt to spray the requirement that bumper uses outdoors.So low receipts prepared by the present invention
It contracts, the PP composite material of high durable can be applied to exempt from spray, thin-wall bumper product.
The description of above-described embodiment can be understood and applied the invention for ease of those skilled in the art.It is ripe
The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein
It ought to use in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to embodiment here, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (9)
1. a kind of lower shrinkage, high durable PP composite material, it is characterised in that：It is made by weight of following components：Altogether
Poly- polypropylene 45-75 parts, 10-30 parts of reinforcing agent, 10-25 parts of toughener, 0-5 parts of compatilizer, 0.1-0.5 parts of coupling agent, antioxygen
0.1-0.5 parts of agent, 0.1-0.5 parts of lubricant, steady agent 0.1-0.5 parts of light.
2. PP composite material according to claim 1, it is characterised in that：The melt index of the copolymer polypropylene exists
It is more than 30g/10min under the conditions of 230 DEG C/2.16Kg, is more than in the tensile strength that tensile speed is 50mm/min
19MPa, Izod notched impact strength 20KJ/m2。
3. PP composite material according to claim 1, it is characterised in that：The reinforcing agent be talcum powder, calcium carbonate,
At least one of mineral fibres.
4. PP composite material according to claim 3, it is characterised in that：The mineral fibres be magnesium sulfate crystal whisker,
One or several kinds in silica whisker, aluminium borate whisker, glass fibre；The grain size mesh number of the talcum powder and calcium carbonate is big
In 1500 mesh.
5. PP composite material according to claim 1, it is characterised in that：The toughener be ethylene propylene diene rubber,
Ethylene octene copolymer or butadiene rubber.
6. PP composite material according to claim 1, it is characterised in that：The compatilizer is that maleic anhydride grafting is poly-
Propylene or ethylene octene copolymer grafted maleic anhydride.
7. PP composite material according to claim 1, it is characterised in that：The antioxidant is antioxidant 1010, resists
The mixture of one or more of oxygen agent DSTDP, irgasfos 168；
The coupling agent is at least one of silane coupling agent, titanate coupling agent.
8. PP composite material according to claim 1, it is characterised in that：The lubricant is ethylene stearic bicine diester
At least one of amine, silicone, zinc stearate, lead stearate, barium stearate, calcium stearate or pentaerythritol stearate；
The steady agent of the light is that hindered amines compounds the steady agent of light.
9. a kind of preparing the preparation method such as claim 1-8 any one of them PP composite materials, it is characterised in that：It presses
High mix is added in polypropylene, reinforcing agent, toughener, compatilizer, antioxidant, coupling agent, lubricant by parts by weight together with the steady agent of light
It is uniformly mixed in machine；Then it is granulated after the extruded machine melting extrusion of mixture that will be uniformly mixed, you can it is resistance to prepare lower shrinkage, height
Wait PP composite material；Temperature of the extruder from feed opening to die orifice be respectively 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C,
200 DEG C, 205 DEG C, the rotating speed of extruder is 180~400rpm, vacuum degree is -0.07~-0.03MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710048629.7A CN108329599A (en) | 2017-01-20 | 2017-01-20 | A kind of lower shrinkage, high durable PP composite material and preparation method thereof |
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| CN201710048629.7A CN108329599A (en) | 2017-01-20 | 2017-01-20 | A kind of lower shrinkage, high durable PP composite material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021400A (en) * | 2018-08-24 | 2018-12-18 | 江苏恒瑞新材料科技有限公司 | A kind of automobile PP bumper material and preparation method thereof |
| CN109486028A (en) * | 2018-12-03 | 2019-03-19 | 太仓冠联高分子材料有限公司 | A kind of low-temperature resistant and shock resistant automobile bumper material |
| CN109651696A (en) * | 2018-12-29 | 2019-04-19 | 聚威工程塑料(上海)有限公司 | Composite filled PP material of a kind of weather-proof glass mineral of superelevation and preparation method thereof |
| CN109776939A (en) * | 2018-12-27 | 2019-05-21 | 会通新材料股份有限公司 | A kind of resistance to stifling PP composite material of self-lubricating and preparation method thereof |
| CN109777025A (en) * | 2018-12-25 | 2019-05-21 | 浙江普利特新材料有限公司 | A kind of high rigidity, high tenacity, low-shrink polypropylene composite material and preparation method |
| CN112876774A (en) * | 2019-11-29 | 2021-06-01 | 合肥杰事杰新材料股份有限公司 | Polypropylene material and preparation method thereof |
| CN113150451A (en) * | 2021-04-27 | 2021-07-23 | 北京聚菱燕塑料有限公司 | Preparation method and application of whisker modified polypropylene blend material |
| CN114685893A (en) * | 2022-03-31 | 2022-07-01 | 金发科技股份有限公司 | Low-density and good-mechanical-property spray-free polypropylene composition and preparation method and application thereof |
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| CN104086896A (en) * | 2014-07-03 | 2014-10-08 | 合肥杰事杰新材料股份有限公司 | Low-shrinkage high-weatherproofness polypropylene composite material for shell of electric tool |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021400A (en) * | 2018-08-24 | 2018-12-18 | 江苏恒瑞新材料科技有限公司 | A kind of automobile PP bumper material and preparation method thereof |
| CN109486028A (en) * | 2018-12-03 | 2019-03-19 | 太仓冠联高分子材料有限公司 | A kind of low-temperature resistant and shock resistant automobile bumper material |
| CN109777025A (en) * | 2018-12-25 | 2019-05-21 | 浙江普利特新材料有限公司 | A kind of high rigidity, high tenacity, low-shrink polypropylene composite material and preparation method |
| CN109776939A (en) * | 2018-12-27 | 2019-05-21 | 会通新材料股份有限公司 | A kind of resistance to stifling PP composite material of self-lubricating and preparation method thereof |
| CN109776939B (en) * | 2018-12-27 | 2022-03-22 | 会通新材料股份有限公司 | Self-lubricating fumigation-resistant polypropylene composite material and preparation method thereof |
| CN109651696A (en) * | 2018-12-29 | 2019-04-19 | 聚威工程塑料(上海)有限公司 | Composite filled PP material of a kind of weather-proof glass mineral of superelevation and preparation method thereof |
| CN112876774A (en) * | 2019-11-29 | 2021-06-01 | 合肥杰事杰新材料股份有限公司 | Polypropylene material and preparation method thereof |
| CN113150451A (en) * | 2021-04-27 | 2021-07-23 | 北京聚菱燕塑料有限公司 | Preparation method and application of whisker modified polypropylene blend material |
| CN114685893A (en) * | 2022-03-31 | 2022-07-01 | 金发科技股份有限公司 | Low-density and good-mechanical-property spray-free polypropylene composition and preparation method and application thereof |
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