CN106496796B - PP composite material and preparation method thereof - Google Patents
PP composite material and preparation method thereof Download PDFInfo
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- CN106496796B CN106496796B CN201611019351.2A CN201611019351A CN106496796B CN 106496796 B CN106496796 B CN 106496796B CN 201611019351 A CN201611019351 A CN 201611019351A CN 106496796 B CN106496796 B CN 106496796B
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- composite material
- dispelling
- styrene
- taste agent
- agent
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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
- 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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- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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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
- C08K2201/011—Nanostructured additives
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to a kind of PP composite materials, characterized in that including major ingredient and taste agent of dispelling；The major ingredient includes the component of following mass fraction, and 65~95 parts of polypropylene；0~15 part of elastomer；0~20 part of inorganic mineral powder；0~2 part of antioxidant；The taste agent of dispelling includes the component of following mass fraction, and 5~10 parts of steam stripping agent；5~15 parts of fumed silica；75~90 parts of matrix resin.The invention further relates to the preparation methods of the PP composite material.The present invention can significantly reduce the total volatile organism release of PP composite material.
Description
Technical field
The present invention relates to a kind of PP composite materials.The invention further relates to the preparation methods of the PP composite material.
Background technique
Polypropylene (PP) because its high comprehensive performance, it is from a wealth of sources and of high quality and at a reasonable price the advantages that, be widely used to people
The every field of life.But existing polypropylene material is easy to be discharged volatile organic matter (VOC) by thermal decomposition and illumination ageing
Pollution environment and the problem of endangering people's health, polypropylene material is also limited in the higher superior automobile of environmental requirement
The application in the fields such as gadget, medical and packaging material for food.Therefore, low VOC polypropylene material is researched and developed to be paid more and more attention.
Currently, the report about the research of low VOC polypropylene material is more, the method for use includes chemical reaction, physical absorption and melts
Body devolatilization technology, as Chinese patent CN101570612A, CN101255252A, CN 1727389A, CN1727390A,
CN102276921A etc..However it is still undesirable for reducing the effect of VOC burst size in the prior art.
Summary of the invention
It is simple and reliable, low-cost for macromolecule that the technical problem to be solved in the present invention is to provide a kind of operating procedures
The taste agent of dispelling of composite material manufacture.
In order to solve the above technical problems, taste agent of dispelling of the invention, the component including following mass fraction,
5~10 parts of steam stripping agent；
5~15 parts of fumed silica；
75~90 parts of matrix resin.
Preferably, the steam stripping agent includes boiling point not higher than 200 DEG C, the solvent of room temperature liquid.
Preferably, the steam stripping agent includes water, the mixture of any one or more in C2~C5 alcohol.
Preferably, the steam stripping agent include conductivity be the water of 5 μ of μ S/cm~10 S/cm, 99.9% or more purity C2~
The mixture of any one or more in C5 alcohol.
Preferably, the fumed silica be include hydrophilic fumed silica and hydrophobicity aerosil
Mixture.
Preferably, the mass ratio of the hydrophilic fumed silica and the hydrophobicity aerosil be 1:(1~
2)。
Preferably, the specific surface area of the fumed silica is 100m2/ g~300m2/g。
Preferably, the specific surface area of the fumed silica is 200m2/ g~300m2/g。
Preferably, the average grain diameter of the fumed silica is 5nm~50nm.
Preferably, the average grain diameter of the fumed silica is 5nm~20nm.
Preferably, the fumed silica is not less than 99.5%wt based on the dioxide-containing silica after calcination.
Preferably, described matrix resin includes styrene block copolymer.
Preferably, described matrix resin includes the styrene block copolymer of star or linear structure.
Preferably, described matrix resin includes the styrene block copolymer of star structure.
Preferably, described matrix resin includes that Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-are different
It is any in isoprene-styrene block copolymer (SIS) or styrene-ethylene-butylene-styrene block copolymer (SEBS)
One or more mixtures.
Preferably, the styrene-content of the styrene block copolymer is 10%wt~40%wt.
Preferably, the styrene-content of the styrene block copolymer is 10%wt~30%wt.
Preferably, the volatile content of the styrene block copolymer is not more than 0.5%wt.
Preferably, the content of ashes of the styrene block copolymer is not less than 0.3%wt.
The present invention also provides a kind of methods for preparing above-mentioned taste agent of dispelling, by 5~10 parts of steam stripping agents, 5~15 parts of gas phase dioxies
SiClx and 75~90 parts of matrix resins stir evenly under the conditions of 20 DEG C~50 DEG C；Above-mentioned number is mass fraction.
Preferably, it is stirred evenly under the conditions of 30 DEG C~40 DEG C.
Preferably, steam stripping agent, fumed silica and matrix resin are stirred evenly under constant temperature conditions.
Preferably, the speed of the stirring is 10r/min~300r/min.
Preferably, the speed of the stirring is 100r/min~300r/min.
Preferably, the time of the stirring is 2min~30min.
Preferably, the time of the stirring is 10min~20min.
The present invention also provides a kind of polymer composites, including above-mentioned taste agent of dispelling.
The present invention also provides a kind of PP composite materials, including major ingredient and above-mentioned taste agent of dispelling.
Preferably, the major ingredient includes the component of following mass fraction,
Preferably, the polypropylene includes the mixture of homopolypropylene, any one or two kinds in copolymer polypropylene.
Preferably, melt flow rate (MFR) of the polypropylene under 230 DEG C × 2.16kg test condition be 30g/10min~
100g/10min。
Preferably, the elastomer includes EP rubbers, ethylene-butene copolymer, ethylene-octene copolymer, styrene-
Butadiene-styrene block copolymer, styrene-isoprene-styrene block copolymer, styrene-ethylene-butadiene-benzene
Any one in ethylene block copolymer etc. or a variety of mixtures.
Preferably, the average grain diameter of the inorganic mineral powder is 5 μm~50 μm.
Preferably, the inorganic mineral powder includes talcum powder, calcium carbonate, wollastonite, any one or more in diatomite
Mixture.
Preferably, the antioxidant includes Hinered phenols antioxidant and phosphoric acid ester antioxidant.
Preferably, the antioxidant includes the Hinered phenols antioxidant and phosphoric acid ester antioxidant that mass ratio is 1:1.
Preferably, the Hinered phenols antioxidant included four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] seasons penta
Four alcohol esters (antioxidant 1010), β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester (antioxidant 1076), N,
N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine (antioxidant 1098), (bis- uncle of 3,5- of 1,3,5- tri-
At least one of butyl -4- hydroxybenzyl) isocyanuric acid (antioxidant 1330).
Preferably, phosphoric acid ester antioxidant includes three (2,4- di-tert-butyl-phenyl) phosphite esters (irgasfos 168), double
At least one of (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites (antioxidant 626).
Preferably, the taste agent quality of dispelling is the 5%~10% of the major ingredient quality.
In addition, in the process of PP composite material of the invention, it can be according to the needs of concrete application, described
Common other processing aids in acrylic resin modification technology are added in major ingredient, such as lubricant, antistatic agent, light are stablized
Agent, dispersing agent, pigment etc., dosage are conventional amount used, or requirement according to the actual situation is adjusted.
The present invention also provides a kind of methods for preparing above-mentioned PP composite material, including preparatory dry state, and the taste of dispelling is made
Agent.
Preferably, the PP composite material is manufactured using parallel dual-screw extruding machine melt blending.
Preferably, the major ingredient uses main feeder metering feeding, and the taste agent of dispelling uses lateral feeder metering feeding.
The present invention can reach following technical effect.
Taste agent that the present invention used dispel, is by high-purity solvent, fumed silica and styrene block copolymer group
At pre-composition.The high-purity solvent of higher amount can be effectively adsorbed using the biggish specific surface area of fumed silica, adsorbed
Intensity is higher；The solvent of high level, is effectively reduced melt polypropylene surface tension, and removal VOC is cleaner；Adsorption strength
Higher, the uniform slow release of solvent desorption of being heated reduces partial pressure, and it is heated i.e. fast to can be avoided the solvent that conventional method occurs
Speed, which is volatilized, to be discharged caused steam stripping efficiency decline, requires extruder exhaust capacity height, influences the problems such as extruder processing efficiency.
Containing there are two types of the fumed silica of surface texture in taste agent that the present invention used dispel, on the one hand filled in taste agent of dispelling
When the adsorbent of absorption high-purity solvent, more solvents can be absorbed；On the other hand the molten of absorption is discharged in melting process
The VOC of generation can be effectively adsorbed after agent again；Simultaneously using its surface active group silicone hydroxyl functional group and aldoketones it is small
Molecular compound forms interaction of hydrogen bond, effectively absorption aldoketones, effectively inhibits aldoketones VOC.Therefore polypropylene tree is reduced
The rate of release of oil/fat composition VOC delays or prevents the discharge of VOC in polypropylene.
The styrene block copolymer contained in taste agent that the present invention used dispel, the compatibility pole with acrylic resin
It is good, dispersion effect of the fumed silica in PP composite material can be effectively improved, the suction of fumed silica is improved
Attached efficiency significantly reduces VOC in polypropylene and discharges content.
The total volatile organism (TVOC) of PP composite material of the invention can significantly reduce, and more preferably, TVOC can
To be lower than 40 μ gC/g, the deficiencies in the prior art are well solved, operating procedure is simple and reliable, and input cost is lower, is suitable for
The fields such as higher superior automobile inside gadget, medical and packaging material for food.
Specific embodiment
In the present embodiment using the parallel dual-screw extruding machine with main feeder and lateral feeder, using melting
The method of granulation prepares PP composite material.
According to the ratio of table 1 using the drying taste agent of dispelling in advance of constant temperature stirring mixer, obtains dispelling taste agent 1~36 and comparison is dispelled
Taste agent 1~8.In the present embodiment, mixing speed 200r/min, incorporation time 20min, mixing temperature are 35 ± 2 DEG C.
By the polypropylene of 75 mass parts, the elastomer of 10 parts by weight, the inorganic mineral powder of 15 parts by weight and 2 parts by weight antioxygen
The main feeder feeding of agent, will dispel taste agent 1~36 respectively and comparison taste agent 1~8 of dispelling uses lateral feeder feeding, taste agent of dispelling
Feed quantity is the 10%wt of main feeder feed quantity, obtains PP composite material 1~36 and comparison poly- third by melt pelletization
Alkene composite material 1~8.
Organic compound will be carried out after obtained PP composite material 1~36 and the comparison drying of PP composite material 1~8
Object discharge amount (TVOC) measurement and smell ranking.Wherein TVOC measurement is carried out according to TS-INT-002 standard, oder levels
Evaluation is carried out according to using the PV3900-2000 testing standard of Volkswagen, and rank is higher, and smell is bigger.Test result
It is recorded in table 1.
Table 1
Data can be seen that be added in polypropylene resin composite and go containing fumed silica from the above table
After taste agent, TVOC content can be substantially reduced, and smell improves.Especially PP composite material embodiment 25~32, by making
With the fumed silica of two kinds of surfaces characteristic, it is reduced to the TVOC of composition within 25 μ gC/g, oder levels reach 2 grades
Below.
The material information used in present embodiment is as follows.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of PP composite material, characterized in that including major ingredient and taste agent of dispelling；The major ingredient includes following mass fraction
Component,
The taste agent of dispelling includes the component of following mass fraction,
2. PP composite material as described in claim 1, characterized in that the taste agent quality of dispelling is the major ingredient quality
5%~10%.
3. PP composite material as described in claim 1, characterized in that the steam stripping agent includes water, in C2~C5 alcohol
The mixture of any one or more.
4. PP composite material as described in claim 1, characterized in that the specific surface area of the fumed silica is
100m2/ g~300m2/g。
5. PP composite material as described in claim 1, characterized in that the average grain diameter of the fumed silica is
5nm~50nm.
6. PP composite material as described in claim 1, characterized in that described matrix resin includes that Styrenic block is total
Polymers.
7. PP composite material as described in claim 1, characterized in that described matrix resin includes star or linear structure
Styrene block copolymer.
8. PP composite material as described in claim 1, characterized in that described matrix resin includes styrene-butadiene-
Styrene block copolymer, styrene-isoprene-styrene block copolymer or styrene-ethylene-butylene-styrene are embedding
The mixture of any one or more in section copolymer.
9. a kind of method for preparing the PP composite material as described in claim 1~8, characterized in that including preparatory dry state
The taste agent of dispelling is made.
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| CN201611019351.2A CN106496796B (en) | 2016-11-17 | 2016-11-17 | PP composite material and preparation method thereof |
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| CN201611019351.2A CN106496796B (en) | 2016-11-17 | 2016-11-17 | PP composite material and preparation method thereof |
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| CN106496796B true CN106496796B (en) | 2019-04-05 |
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| CN108276671A (en) * | 2018-01-22 | 2018-07-13 | 大河宝利材料科技(苏州)有限公司 | A kind of low VOC PP composite materials and preparation method thereof |
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| CN1730534A (en) * | 2005-07-29 | 2006-02-08 | 上海普利特复合材料有限公司 | Method for making little odor polypropylene material using odor agglomerate |
| CN103044793A (en) * | 2011-10-17 | 2013-04-17 | 金发科技股份有限公司 | Low-odor low-VOC (volatile organic compound)-content styrene polymer composition and preparation method thereof |
| CN103589072A (en) * | 2013-10-24 | 2014-02-19 | 合肥会通新材料有限公司 | Low-VOC (Volatile Organic Compound) polypropylene composite material for automotive interior parts and preparation method thereof |
| CN104231437A (en) * | 2014-09-24 | 2014-12-24 | 晋德塑料科技(东莞)有限公司 | Vehicle interior decorative part polypropylene composition and preparation method thereof |
| CN105949616A (en) * | 2016-05-30 | 2016-09-21 | 江苏新昌汽车部件有限公司 | Dashboard made from low-odor scraping-resistant polypropylene material |
-
2016
- 2016-11-17 CN CN201611019351.2A patent/CN106496796B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730534A (en) * | 2005-07-29 | 2006-02-08 | 上海普利特复合材料有限公司 | Method for making little odor polypropylene material using odor agglomerate |
| CN103044793A (en) * | 2011-10-17 | 2013-04-17 | 金发科技股份有限公司 | Low-odor low-VOC (volatile organic compound)-content styrene polymer composition and preparation method thereof |
| CN103589072A (en) * | 2013-10-24 | 2014-02-19 | 合肥会通新材料有限公司 | Low-VOC (Volatile Organic Compound) polypropylene composite material for automotive interior parts and preparation method thereof |
| CN104231437A (en) * | 2014-09-24 | 2014-12-24 | 晋德塑料科技(东莞)有限公司 | Vehicle interior decorative part polypropylene composition and preparation method thereof |
| CN105949616A (en) * | 2016-05-30 | 2016-09-21 | 江苏新昌汽车部件有限公司 | Dashboard made from low-odor scraping-resistant polypropylene material |
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