CN105820493B - The polypropylene resin composite of current mark with low-luster and reduction - Google Patents
The polypropylene resin composite of current mark with low-luster and reduction Download PDFInfo
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- CN105820493B CN105820493B CN201610044545.1A CN201610044545A CN105820493B CN 105820493 B CN105820493 B CN 105820493B CN 201610044545 A CN201610044545 A CN 201610044545A CN 105820493 B CN105820493 B CN 105820493B
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/646—Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group C08F4/64
- C08F4/6465—Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group C08F4/64 containing silicium
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/66—Substances characterised by their function in the composition
- C08L2666/70—Organic dyes or pigments; Optical brightening agents
Abstract
The present invention provides a kind of with excellent surface characteristic, especially the polypropylene resin composite with low-luster and the appearance for reducing current mark.The polypropylene resin composite includes Ethylene-Propylene Block Copolymer, wherein, the Ethylene-Propylene Block Copolymer is made of polypropylene homopolymer and ethylene-propylene copolymer, the weight ratio of ethylene and the ethylene-propylene copolymer is 0.5-2.0, the inherent viscosity ratio (η XS/ η homoPP) of melt index and xilene soluble fraction and Noblen of the Ethylene-Propylene Block Copolymer with the 5-30g/10min that the method as specified in ASTM D1238 is measured at 2.16kg load, 230 DEG C is 3 to 8.The polypropylene resin composite can be suitably applied to need the plastic moulding product of low-luster and good appearance.
Description
Cross reference to related applications
This application claims enjoy on 01 23rd, the 2015 South Korea patent application 10- submitted to Korean Intellectual Property Office
Whole equity obtained under No. 2015-0011259 priority and the regulation of 35U.S.C.119, content is to quote
Mode is integrally incorporated herein.
Technical field
The present invention relates to a kind of polypropylene resin composites, the current mark with low-luster and reduction, while being molded
Excellent mouldability is shown in molding and is had in terms of rigidity with impact resistance well balanced.
Background technique
When being used as auto parts using the plasticity injected molded polymeric material of polyolefin, can be made by light-weight part
Make the automobile with high fuel efficiency.In addition, the plasticity injected molded polymeric material can be easily recovered for re-use.However, working as institute
When stating plasticity injected molded polymeric material and being used as auto parts, inferior appearance, such as current mark can lead to, this is problematic, and
The visual field of driver can the reflection of the sunlight caused by the high gloss of the plasticity injected molded polymeric material interfere, this can be tight
Safe driving is interfered again.
The damage of the appearance of moulding article caused by the current mark of molten resin in order to prevent, proposes for overcoming appearance
The method of molding of the cladding process of the problem of damage or the copolymer based on ethene-alpha-olefin using the inorganic filler containing addition.
In addition, in order to reduce glossiness, can make polypropylene mixing inorganic filler (such as talcum or silica), plastic rubber component,
The low-luster material of plasticity product surface coating, the surface modifier of injection molding, for changing resin group in the reactor
Close the additive and other additives of object.In order to use resin combination as automotive upholstery, the resin combination is needed
Meet the demand of the good appearance as caused by reduced current mark and low-luster performance, this, which needs to develop, reaches the demand
Plasticity product.
A kind of routine techniques is proposed in Korea patent registration the 10-1431906th, it discloses with low surface gloss
Degree, while showing the polypropylene resin composite of excellent rigidity and impact resistance.In addition, Japanese Patent Publication 20087-
Another routine techniques is proposed in No. 19346, it is well balanced it discloses having in terms of rigidity with impact resistance, have simultaneously
There is the polypropylene resin composite of good current mark appearance and excellent mobility.Disclosed composition includes containing crystallization second
Alkene-propylene-based block copolymer, ethylene-α-olefincopolymerrubber, a small amount of organic peroxide and the polypropylene of inorganic filler
Resin.Although the use of organic peroxide improves the mobility of the composition, but still there is improvement injection molding and produce
The demand of the various performances of product, balance quality, heat resistance, hardness and smell including rigidity and impact resistance.
Summary of the invention
Embodiments of the present invention provide a kind of appearance with low-luster and reduction current mark, while showing excellent
Rigidity and impact resistance polypropylene resin composite, to be applied to automotive upholstery.
Embodiments of the present invention additionally provide a kind of method for preparing the polypropylene resin composite.
Embodiments of the present invention additionally provide a kind of moulding article manufactured using the polypropylene resin composite.
Above-mentioned or other aspect of the invention will be stated or be given in the narration of following exemplary embodiment
It discloses.
According to an aspect of the invention, there is provided a kind of polypropylene resin composite, is copolymerized comprising ethylene-propylene blocks
Object, wherein the Ethylene-Propylene Block Copolymer is made of polypropylene homopolymer and ethylene-propylene copolymer, ethylene with it is described
The weight ratio of ethylene-propylene copolymer is 0.5-2.0, and the Ethylene-Propylene Block Copolymer has in 2.16kg load, 230
The melt index for the 5-30g/10min that the method as specified in ASTM D1238 is measured at DEG C and xylene soluble part portion
Dividing with the inherent viscosity ratio (η XS/ η homoPP) of Noblen is 3 to 8.
As described above, polypropylene resin composite according to embodiment of the present invention can reduce the modeling of injection molding
Property product glossiness, and can show reduce current mark appearance and excellent mechanical performance.The polypropylene resin composite
It can be effectively applied in the electronic product or household electric of automotive interior/outside plasticity part, the lacklustre exterior part of needs
Device.
Specific embodiment
Hereinafter, it will be described in detail polypropylene resin composite according to the present invention.
The present invention provides a kind of polypropylene resin composites, include Ethylene-Propylene Block Copolymer, wherein the second
Alkene-propylene-based block copolymer is made of polypropylene homopolymer and ethylene-propylene copolymer, ethylene and the ethylene-propylene copolymer
The weight ratio of object is 0.5-2.0, and the Ethylene-Propylene Block Copolymer has at 2.16kg load, 230 DEG C by ASTM
The melt index and xylene soluble fraction and propylene homo for the 5-30g/10min that method specified in D1238 is measured
The inherent viscosity ratio (η XS/ η homoPP) of object is 3 to 8.
The present invention provides a kind of polypropylene resin composites of low-luster, and it includes Ethylene-Propylene Block Copolymers
Resin.
According to embodiment of the present invention, the Ethylene-Propylene Block Copolymer resin may include polypropylene homo
Object part and ethylene-propylene copolymer as rubber part.
In Ethylene-Propylene Block Copolymer of the invention, the weight ratio of ethylene and ethylene-propylene copolymer is 0.5-
2.0, preferably 1.0 to 2.0, more preferably 1.0 to 1.5.If the weight ratio less than 0.5, is difficult to make acrylic resin
Show low glossiness.If the weight ratio is greater than 2.0, when reducing the luster performance of composition, it is difficult to be expired
The polypropylene resin composite that sufficient flexural rigidity and low-luster require.The weight ratio of ethylene-propylene copolymer and ethylene can benefit
It is measured with diformazan benzene extractives and infrared absorption spectroscopy.
In the present invention, the Ethylene-Propylene Block Copolymer resin combination has at 2.16kg load, 230 DEG C
The 5-30g/10min that the method as specified in ASTM D1238 is measured, preferably 15-30g/10min, more preferably 20-
The melt index (MI) of 30g/10min.
In the present invention, the Ethylene-Propylene Block Copolymer has about 3 to about 8, and the dimethylbenzene of preferably from about 4 to about 6 can
The inherent viscosity ratio (η XS/ η homoPP) of molten object part (XS) and Noblen.If inherent viscosity ratio (the η XS/ η
It homoPP, then, may be to mould due to the appearance of current mark during the injection molding of the polypropylene resin composite) less than 3
Modeling product causes the appearance of serious deterioration.If the inherent viscosity ratio (η XS/ η homoPP) is greater than 8, stream may be reduced
Dynamic property, so that can not achieve the effect for improving mouldability.
In the present invention, the ethylene-propylene copolymer includes the ethylene of 40 to 70 moles of %.If ethylene contents are less than
40 moles of % then can undesirably reduce the impact resistance of the resin combination.If ethylene contents are greater than 70 moles of %,
The hardness and heat resistance of the resin combination can be then reduced, so that moulding article has tacky surfaces undesirably.
In the present invention, the total weight based on the Ethylene-Propylene Block Copolymer, with 5-20 weight %, preferably 10-17
Ethylene-propylene copolymer of the content of weight % used as rubber components.If the content of the ethylene-propylene copolymer is small
In 5 weight %, then the rubber of low content may inhibit the reduction and impact strength of glossiness.If the ethylene-propylene is total
The content of polymers is greater than 20 weight %, then may undesirably reduce flexural strength and tensile strength.The ethylene-propylene
The content of copolymer can be measured using solvent extractable matter, and diformazan benzene extractives are used as the solvent extractable matter.
In the present invention, the colourless flat board sample (2mm plate) of the thickness of the 2mm as made from the polypropylene resin composite is preferred
With 70% surface gloss (60 °) below.In addition, when there is 1.5mm thickness by using injection moulding machine injection molding
With the spiral flow mold of 3cm width and current mark is observed with the naked eye, when inferior appearance to evaluate polypropylene resin composite,
Polypropylene resin composite of the invention is the resin combination without flaw.
In the present invention, the polypropylene resin composite can further include the routine without departing from the scope of the present invention and add
Add agent comprising, for example, reinforcement ingredient, filler, weathering stabilizers, antistatic agent, lubricant, slipping agent, nucleating agent, fire-retardant
Agent, pigment and colorant, but it is not limited only to this.
In the present invention, in order to improve the thermal stability of injection moulded products, the polypropylene tree based on 100 parts by weight
Oil/fat composition, the polypropylene resin composite can further include 0.1 to 0.5 parts by weight, preferably 0.2 to 0.3 parts by weight
Heat stabilizer.If the content of the heat stabilizer less than 0.1 parts by weight, is difficult to obtain long-term thermal stability.If institute
The content for stating heat stabilizer is greater than 0.5 parts by weight, then may flow out the heat stabilizer, or may reduce cost effect
Rate.The heat stabilizer can be the antioxidant based on phenol, antioxidant based on phosphite ester etc., and the example may include four
(methylene (3,5- di-t-butyl -4- hydroxyl) hydrosilicate) (tetrakis (methylene (3,5-di-t-butyl-4-
Hydroxy) hydrosilicate), 1,3,5- trimethyl-three (3,5- di-t-butyl -4- hydroxy benzenes) and three (the tertiary fourths of 2,4- bis-
At least one of base phenol) phosphite ester.
In the present invention, the Ethylene-Propylene Block Copolymer resin passes through (stage by stage) step by step polymerization third
Polyamino alkenyl object part and ethylene-propylene copolymer part and prepare, and the polymerization can be in ziegler-nata (Ziegler-
Natta it) is carried out in the presence of catalyst.In addition, polymerization can be under the conditions of popular response by commonly known in the art
Method carries out, such as slurry polymerisation, bulk polymerization or gas-phase polymerization.In detail, the Ethylene-Propylene Block Copolymer resin can
By carrying out the first polymerization reaction for polypropylene homopolymer in more than two reactors, and by described poly- third
Polyamino alkenyl object adds ethylene and propylene prepare for the second polymerization reaction of ethylene-propylene copolymer part.It is described
First polymerization reaction and second polymerization reaction can be carried out in identical polymer reactor or in different polymer reactors.
For example, polymerization reaction can in the presence of hydrogen gas, the catalysis comprising Ziegler-Natta catalyst and external electron donor
Under system, include more than two bulk polymerization devices for synthesizing homo-polypropylene and for synthesizing ethylene-propylene it is total
It is carried out in the polymerization unit of the gas-phase polymerization reactor of polymers.Most end in described two above bulk polymerization devices it is anti-
The melt index of the polypropylene homopolymer in device is answered to can be at 2.16kg load, 230 DEG C as specified in ASTM D1238
The 5-30g/10min that method is measured.Described two above bulk polymerization devices can be operated so that each reactor
Melt index is gradually successively decreased.Alternatively, described two above bulk polymerization devices can be operated so that each reactor has
Identical melt index.Gather next, the homo-polypropylene of synthesis is transferred to the gas phase for carrying out ethylene-propylene copolymer reaction
It closes in reactor, while adding ethylene and propylene to be continuously copolymerized with homo-polypropylene solid component, thus the ethylene-has been made
Propylene-based block copolymer.
In the gas-phase polymerization reactor, relative to the ethylene contents of total gas content can be 0.30 to 0.90, it is excellent
0.40 to 0.80 is selected, more preferable 0.50 to 0.70 (molar ratio).It can be used by carrier MgCl2Middle dipping TiCl3Or TiCl4
Prepared by compound as the Ziegler-Natta catalyst.Using alkyl aluminum compound as co-catalyst, the example
It may include, but are not limited to: triethyl aluminum, diethyl aluminum chloride, tri-butyl aluminum, triisobutyl aluminium and trioctylaluminum.It is given outside described
Electron can be organic silane compound, and the example may include, but are not limited to: dimethoxydiphenylsilane, phenyl front three
Oxysilane, phenylethyl dimethoxysilane, phenyl methyl dimethoxysilane, methoxytrimethylsilane, isobutyl group three
Methoxy silane, second, isobutyl dimethoxy silane, diisopropyl dimethoxy silane, di-t-butyl dimethoxysilane, two
Cyclopenta dimethoxysilane, Cyclohexyl Methyl Dimethoxysilane and Dicyclohexyldimethoxysilane.
Acrylic resin group according to the present invention can be utilized such as injection molding or extrusion forming by conventional moulding method
Object is closed to manufacture acrylic resin moulding article.The moulding article shows low glossiness and excellent mechanical performance, from
And the injection molding plasticity product that it is used as needing low-luster performance, for example, automotive interior/outside plasticity part, need
Want the electronic product, household electrical appliance or construction material of lacklustre exterior part.
The present invention, provided embodiment and comparison will be understood in further detail by following embodiment and comparative example
Embodiment is for illustration purposes only, and is not answered and in office where be read as limiting the scope of the present invention in formula.
Embodiment 1-3 and comparative example 1-3
(1) polymerization reaction of Ethylene-Propylene Block Copolymer
Comprising by MgCl2And TiCl4The Ziegler-Natta catalyst of composition, the bicyclopentyl two as external electron donor
Under the catalyst system of methoxy silane and addition for the triethyl aluminum of activated catalyst, propylene is injected in arranged in series
First in four reactors prepares Noblen into third polymerization reactor (bulk polymerization device), will be obtained equal
Polymers is transferred in the 4th gas-phase polymerization reactor, ethylene and propylene is added then to carry out gas phase polymerization, thus is made
Ethylene-Propylene Block Copolymer cited by table 1.
Table 1
(2) evaluation of physical property
By using 150 tons of injection moulding machines of WOOJIN Plaimm Co., Ltd (South Korea) manufacture at 190 DEG C to 230
Ethylene-Propylene Block Copolymer obtained by injection molding at DEG C and obtain reference sample ASTM-1, and by being molded into
Type and obtain 2mm flat samples (2mm plate).
Table 2
Table 3
Annotation:
E: embodiment
CE: comparative example
In table 2 and 3: " -- " means that current mark is less obvious, and "○" means that current mark seems smudgy, " Δ "
Mean that current mark is obvious slightly and "×" means that current mark is obvious.
Evaluation method
(1) melt index (g/10min)
Under conditions of 2.16kg load, 230 DEG C, the melting is determined by method specified in ASTM D1238 and is referred to
Number.
(2) the diformazan benzene extractives in ethylene-propylene copolymer (xylene soluble part: X.S) (wt%)
1% compound resin based on propylene is dissolved in dimethylbenzene 1 hour at 140 DEG C, then, is placed at room temperature for 2 hours
After extract, weigh.Diformazan benzene extractives relative to described based on the percentage of the total weight of the compound resin of propylene to be indicated.
(3) content of ethylene-propylene copolymer and ethylene ratio (xylene soluble part/ethylene: X.S/C2) (wt%/wt%)
The content of ethylene is than utilizing the extraction obtained by the compound resin based on propylene of dissolution 1% in dimethylbenzene
The percentage of object and the 720cm of infrared absorption spectrum-1And 740cm-1Characteristic peak measure.
(4) inherent viscosity (IV) compares
Utilization level viscosity apparatus is dissolved in dimethylbenzene and the ethylene-propylene copolymer that is extracted and homo-polypropylene to measure
Inherent viscosity, and obtain the IV ratio of ethylene-propylene copolymer and homo-polypropylene.
(5) ethylene contents (EPR-C2) (mol%) in ethylene-propylene copolymer rubber
The 720cm of infrared absorption spectrum-1And 740cm-1Characteristic peak under, determine as by xylene extraction obtain
Ethylene relative to ethylene-propylene copolymer rubber specific gravity ethylene contents.
(6) glossiness (60 °) (%)
The method according to specified in ASTM D523 determines the amount of reflected light under 60 ° of light field angle.
(7) current mark appearance inferior caused by generating
There is 1.5mm thickness and 3cm wide by using injection moulding machine (trade (brand) name: LGH140N, LG manufacture) injection molding
Simultaneously current mark is observed with the naked eye in the spiral flow mold of degree, to evaluate appearance inferior caused by current mark generates.
(8) flexural modulus (kgf/cm2)
2.16kg load is used at 230 DEG C, is measured according to method specified in ASTM 1238.
(9) IZOD impact strength (Izod impact strength) (kgf cm/cm)
It is measured under room temperature (23 DEG C) and low temperature (- 20 DEG C) according to method specified in ASTM D256.
(10) extension test
It is measured according to method specified in ASTM D638.
As listed by table 1 to 3, compared to comparative example 1 to 3 as a result, the glossiness as the result is shown of embodiment 1 to 3
(60 °) reduce with the reduction of the content of ethylene-propylene copolymer and ethylene ratio.Ethylene-the third obtained in embodiment 1 to 3
Alkene block copolymer is on ethylene contents than the high of Ethylene-Propylene Block Copolymer is made in comparative example 1 to 3.However, real
Ethylene-Propylene Block Copolymer obtained is applied in example 1 to 3 and comparative example 1 to 3 in flexural modulus (FM) and room temperature and low temperature
The difference showed in terms of IZOD impact strength under (- 20 DEG C) is smaller.
On stretching physical property, ethylene-propylene blocks copolymerization obtained in embodiment 1 to 3 and comparative example 1 to 3
The difference that object generates in terms of yield tensile strength and modulus is smaller.However, compared to second obtained in comparative example 1 to 3
Alkene-propylene-based block copolymer, Ethylene-Propylene Block Copolymer obtained has reduced elongation in embodiment 1 to 3.
In addition, Ethylene-Propylene Block Copolymer obtained is in mechanical performance in embodiment 1 to 3 and comparative example 1 to 3
The difference generated in terms of (i.e. hardness) is smaller.However, in embodiment 1 to 3 Ethylene-Propylene Block Copolymer obtained surface light
Damp angle value (60 °), respectively 57%, 59% and 61%, than Ethylene-Propylene Block Copolymer obtained in comparative example 1 to 3
(respectively 75%, 82% and 89%) reduce about 30%.
As described above, the present invention provides polypropylene resin composite, by polypropylene homopolymer and ethylene-propylene copolymer
Object rubber components composition, and its appearance with low-luster and reduction current mark.Furthermore it is possible to utilize the acrylic resin
Composition is produced with low-luster and good appearance, while showing the plastic moulding system of excellent rigidity and impact characteristics
Product.
Although specifically showing and describing polypropylene resin composite of the invention referring to its illustrative embodiments,
But those skilled in the art should understand that without prejudice to spirit of the invention defined in following following claims and
Under the premise of range, various change in form and details can be made herein.
Claims (11)
1. a kind of polypropylene resin composite includes Ethylene-Propylene Block Copolymer resin, wherein the ethylene-propylene blocks
Copolymer resin is made of polypropylene homopolymer and ethylene-propylene copolymer, the weight of ethylene and the ethylene-propylene copolymer
Than for 0.5-2.0, the Ethylene-Propylene Block Copolymer resin has at 2.16kg load, 230 DEG C by ASTM D1238
The melt index and xylene soluble fraction of the 5-30g/10min that defined method is measured and the spy of Noblen
Property viscosity ratio be 3 to 8,
Wherein, the weight ratio of ethylene and the ethylene-propylene copolymer is the dimethylbenzene of ethylene and the ethylene-propylene copolymer
The weight ratio of soluble matter utilizes the extract obtained by the compound resin based on propylene of dissolution 1% in dimethylbenzene
Percentage and infrared absorption spectrum 720cm-1And 740cm-1Characteristic peak measure,
Wherein, the ethylene-propylene copolymer includes 40 to 70mol% ethylene, wherein above-mentioned ethylene contents are in infrared suction
Receive the 720cm of spectrum-1And 740cm-1Characteristic peak under, as the ethylene obtained by xylene extraction relative to ethylene-propylene
The specific gravity of copolymer rubber and measure, and
Wherein, the total weight based on the Ethylene-Propylene Block Copolymer resin uses the second with the content of 5-20 weight %
Alkene-propylene copolymer.
2. polypropylene resin composite according to claim 1, wherein as made from the polypropylene resin composite
2mm plate has 70% glossiness below.
3. polypropylene resin composite according to claim 1, wherein the polypropylene resin composite further includes
Selected from reinforcement ingredient, filler, weathering stabilizers, antistatic agent, lubricant, slipping agent, nucleating agent, fire retardant, pigment and coloring
At least one of agent additive.
4. polypropylene resin composite according to claim 1, wherein under ziegler-natta catalyzed system, using having
Organic silane compound polymerize the Ethylene-Propylene Block Copolymer resin.
5. polypropylene resin composite according to claim 1, wherein the polypropylene homopolymer has negative in 2.16kg
Lotus, 20 to the 100g/10min melt index that the method as specified in ASTM D1238 is measured at 230 DEG C.
6. polypropylene resin composite according to claim 1, the acrylic resin combination based on 100 parts by weight
Object, the polypropylene resin composite further include the heat stabilizer of 0.1 to 0.5 parts by weight.
7. polypropylene resin composite according to claim 6, wherein the heat stabilizer includes being selected from four (methylene
(3,5- di-t-butyl -4- hydroxyl) hydrosilicate), 1,3,5- trimethyl-three (3,5- di-t-butyl -4- hydroxy benzenes) and three
One of (2,4- DI-tert-butylphenol compounds) phosphite ester is a variety of.
8. a kind of method for preparing the described in any item polypropylene resin composites of claim 1 to 7, which comprises
The first polymerization reaction for polypropylene homopolymer is carried out in more than two reactors；And
It carries out gathering for the second of ethylene-propylene copolymer part by adding ethylene and propylene to the polypropylene homopolymer
Close reaction.
9. according to the method described in claim 8, wherein, first polymerization reaction and second polymerization reaction are identical
Polymer reactor carries out in different polymer reactors.
10. a kind of moulding article using the described in any item polypropylene resin composite manufactures of claim 1 to 7.
11. moulding article according to claim 10, wherein the moulding article include automotive interior/exterior part with
And the lacklustre exterior part of household electrical appliance/electronic product.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150011259A KR101646437B1 (en) | 2015-01-23 | 2015-01-23 | Polypropylene resin composition with low gloss and reduced flow mark |
| KR10-2015-0011259 | 2015-01-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105820493A CN105820493A (en) | 2016-08-03 |
| CN105820493B true CN105820493B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610044545.1A Active CN105820493B (en) | 2015-01-23 | 2016-01-22 | The polypropylene resin composite of current mark with low-luster and reduction |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6352320B2 (en) |
| KR (1) | KR101646437B1 (en) |
| CN (1) | CN105820493B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109735008A (en) * | 2018-12-29 | 2019-05-10 | 上海普利特复合材料股份有限公司 | A kind of low smell, low gloss are thinning Polypropylene composite material for automobile and preparation method thereof |
| KR102194517B1 (en) | 2019-05-17 | 2020-12-24 | (주)진양이피에스 | Multi-layer film comprising polycarbonate and preparation method thereof |
| KR102223243B1 (en) * | 2019-09-16 | 2021-03-04 | 한화토탈 주식회사 | Polypropylene Resin Composition with Excellent Stress-whitening Resistance and Heat Resistance, Process for Preparing the Same, and Article Molded Therefrom |
| KR102423311B1 (en) | 2020-02-18 | 2022-07-22 | (주)진양이피에스 | Mixed resin film and preparing method thereof |
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| KR101646437B1 (en) | 2016-08-05 |
| JP6352320B2 (en) | 2018-07-04 |
| CN105820493A (en) | 2016-08-03 |
| JP2016135869A (en) | 2016-07-28 |
| KR20160091068A (en) | 2016-08-02 |
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