CN107698876A - A kind of modified polypropene VOC extractants and its preparation method and application - Google Patents
A kind of modified polypropene VOC extractants and its preparation method and application Download PDFInfo
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- CN107698876A CN107698876A CN201710880687.6A CN201710880687A CN107698876A CN 107698876 A CN107698876 A CN 107698876A CN 201710880687 A CN201710880687 A CN 201710880687A CN 107698876 A CN107698876 A CN 107698876A
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- 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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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/08—Supercritical fluid
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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Abstract
The invention discloses a kind of modified polypropene VOC extractants and its preparation method and application.Described modified polypropene VOC extractants, in percentage by weight, including 11 50wt% polypropylene carrier and 50 89 wt% fluorine-free nonionic surface active agent solution；Described fluorine-free nonionic surface active agent solution includes 0.1 2.5 wt% fluorine-free nonionic surface active agent and 97.5 99.9 wt% solvent.Described modified polypropene VOC extractants have the characteristics that it is safe and environment-friendly, cheap, it is high to the removal efficiency of VOC in modified polypropylene material；In environment-friendly modified polypropylene material preparation process, the modified polypropene is mixed with VOC extractants with polypropylene and auxiliary agent, environment-friendly modified PP composite material is obtained after efficient material mixer is uniformly mixed, then through double-screw extruding pelletizing.
Description
Technical field
The present invention relates to composite high-molecular material and its processing technique field, particularly a kind of modified polypropene is extracted with VOC
Take agent and its preparation method and application.
Background technology
A kind of thermoplastic resin of prepared by polypropylene is by propylene polymerization, there is the advantages of heat-and corrosion-resistant, be most light
General-purpose plastics.Modified polypropene has crystallinity height, excellent in mechanical performance, easily processed into type, good appearance, cheap
The characteristics of, automotive upholstery is widely used in, such as instrument board, auxiliary fasia console, door-plate, map pocket, glove box and column etc., its
Dosage accounts for 50% or so of vehicle high polymer material.
Acrylic resin passes through extruding pelletization and molding process, due to melt shear and thermal-oxidative degradation, can discharge
Amine, phenol, mercaptan, peroxide, benzene, aldehyde, ketone, there is the volatilizable organic matter such as some plasticizer and fire retardant（Volatile
Organic compounds abbreviations VOC）, TVOC is the detection total amount of volatile organic matter.Volatile organic matter contains
The benzene homologues and Carbonyl compounds of various concentrations, are damaged to health, and C6-C16 alkane compound is peculiar smell
Main source, sense of discomfort is brought to driver and conductor.Domestic first national standard for being directed to in-car air quality in 2012《It is riding
In-car air quality evaluation guide》GB/T 27630-2011 formally issue implementation.Chinese Ministry of Environmental Protection in 2016 issues newest again
《Air Quality Evaluation guide in passenger car》, the standard is upgraded into mandatory, the pressure from 1 day January in 2017 from recommendatory
Perform.Relevant criterion and reinforcement material VOC and smell management and control are then changed by each automobile main frame maker.Therefore how automobile is further reduced
The VOC and improvement oder levels of modified polypropylene material are urgent problems to be solved.
Reducing volatilizable organic matter and smell can mainly be carried out in terms of two, one is being taken off during expressing technique
Except volatile organic compounds, the second is reducing and containing source.United States Patent (USP) US5109056 reports use condition of high vacuum degree in extrusion
Devolatilization, while VOC is further reduced using high temperature curing process.This method can be removed in extrusion and produced to a certain extent
VOC, but after remnant will leave processing and forming or even product assembling, therefore devolatilization means during expressing technique
Extensive blending and modifying can not only be suitable for as general compensation method.
Physical absorption and/or chemisorption can be produced to volatile matter by adding adsorbent.Chinese patent CN 1727389
A can be effectively reduced by adding a kind of smell remover, this smell remover in the basic components of polypropylene material
The smell of polypropylene material, reduce the volatilization gas in material.The smell remover that the invention adds exists for a kind of micropore size
20-30 angstroms, fineness 800-6000 mesh Kiselgel A material.It is specific by Kiselgel A pore size and be evenly distributed micro-
Hole, it can effectively reduce the smell of polypropylene material.But porous class silica gel and polypropylene plastics compatibility are bad, can influence
Other performances of plastics.The A of patent CN 105504507 pass through absorption of the water-soluble fluorine carbon surface active agent to volatile organic matter
Act on to control VOC to discharge, fluorine-containing surfactant residual can give health care belt to carry out potential injury in the material.
The content of the invention
Present invention aims at providing, a kind of cost is cheap, process is simple and environmentally-friendly, except the good modified polypropene of VOC effects
With VOC extractants.The present invention also aims to provide the preparation method of the VOC extractants and preparing environment-friendly modified gather
Application in propylene.
The present invention is achieved by the following technical solutions：
Described modified polypropene VOC extractants, by weight percentage, including following components：
Polypropylene carrier 11-50wt%；
Fluorine-free nonionic surface active agent solution 50-89 wt%.
Described polypropylene carrier by weight percentage, including 60-90 wt% high melt strength, propylene and 10-40 wt%
Porous adsorbent；Described high melt strength, propylene is selected from melt strength >=30cN polypropylene.
Melt Strength Test Method is：Using rheology extensograph testing, at 230 DEG C, with acceleration 30m/s2Draw molten
Body wire rod, record stretching hardness number and rate of withdraw.
Described polypropylene carrier solution intensity >=30cN, abscess aperture are 20-60 microns, distribution of cells density >=105/
cm3.Abscess aperture and distribution of cells density measurement method are：With scanning electron microscope observation section, calculated by statistical average
Aperture and distribution density：Average pore size carries out analysis with nano measurer softwares and show that distribution density is calculated with below equation
Draw：Nf=(nM2/A)3/2；Wherein Nf is distribution density, and A is the area cm of ESEM visual field2, n is the abscess number in visual field
Mesh, M are multiplication factor.
Described porous adsorbent is selected from silicate, at least one of alumino-silicate.
Wherein, it is at least one that diatomite, expanded perlite, expanded vermiculite, concave convex rod can be selected in silicate；Alumino-silicate can
From zeolite, 3A molecular sieves, 4A molecular sieves, 5A molecular sieves, 10X molecular sieves, 13X molecular sieves etc..
Preferably, the mg/g of water vapor adsorption amount of the porous adsorbent under 10%RH >=30, the water under 50%RH steam
The mg/g of gas adsorbance >=300, testing standard is with reference to GB/T 6287-1986.
Described fluorine-free nonionic surface active agent solution by weight percentage, including 97.5-99.9 wt%
The one or more of the alcohols of water or boiling point less than 120 DEG C and 0.1-2.5 wt% fluorine-free nonionic surface active agent；
Alcohols of the described boiling point less than 120 DEG C is selected from methanol, ethanol, propyl alcohol, at least one of butanol.
Described fluorine-free nonionic surface active agent is selected from poly- sorb fat, Triton class non-ionic surfactants
Agent, polyethenoxy ether class nonionic surface active agent, the quick-acting scouring and bleaching agents of not fluorine-containing low bubble, 2,4,7,9- tetramethyl -5- decine -
4,7- glycol（TMDD）At least one of.
Described poly- sorb fat is selected from polysorbas20（Tween 20）, polysorbate60（Tween 60）, Tween 80（Tween 80）
At least one of.
Described Triton classes nonionic surface active agent is selected from Triton X-100.
Described polyethenoxy ether class nonionic surface active agent is optional in lauryl amine APEO, stearylamine polyoxy
Vinethene it is one or more than one kinds of.
The described not fluorine-containing low quick-acting scouring and bleaching agents of bubble are selected from JL-906-F.
The modified polypropene preparation method of VOC extractants, comprises the following steps：
Polypropylene carrier and fluorine-free nonionic surface active agent solution are passed through into homogenizer by proportioning, with 1000 turns/
Speed stirring 3-5 minutes minute, fluorine-free nonionic surface active agent solution is fully adsorbed in polypropylene carrier, changed
Property polypropylene VOC extractants.
The preparation method of polypropylene carrier, comprises the following steps：
A. the high melt strength, propylene and porous adsorbent are sufficiently mixed in homogenizer uniformly, in extruder
Middle melt blending extruding pelletization obtains expanded polypropylene presoma；
B. expanded polypropylene presoma is foamed using physical blowing agent, polypropylene carrier is made；
Described physical blowing agent selects one or both of nitrogen or supercritical carbon dioxide.
The modified polypropene is to prepare environment-friendly modified polypropylene material with the application of VOC extractants, and technical process is：
Talcum powder puts into extruder from side spout, polypropylene and VOC extractants be well mixed in high-speed mixer after from main feeding
Melt blending in mouth input double screw extruder.Vacuum is controlled, extruding pelletization obtains environment protection modification PP composite material.Institute
It is 0.1 part ~ 15 parts that the additive capacities of modified polypropene VOC extractants, which is stated, by environment-friendly modified polypropylene gross weight meter, specifically
Dosage is according to the concentration of fluorine-free nonionic surface active agent solution and accounts for modified polypropene VOC extractant gross mass percentages
The odor properties that reach and mechanical performance are needed than size and prepared environment-friendly modified polypropylene material and are set.
The present invention mechanism be：Fluorine-free nonionic surface active agent solution is adsorbed in the abscess of expanded polypropylene,
Porous adsorbing material with physisorption is dispersed in expanded polypropylene carrier simultaneously.In polypropylene extrusion,
Porous adsorbing material in expanded polypropylene adsorbs substantial amounts of VOC.Fluorine-free nonionic surface active agent plays increase-volume to VOC and made
With, by the VOC extraction absorption in porous adsorbing material in fluorine-free nonionic surface active agent solution, fluorine-free nonionic
Type surfactant solution is subjected to the small mist pearl of thermosetting, then is acted on by negative pressure of vacuum, the fluorine-free nonionic containing VOC
Surfactant solution is pulled out, and this is porous absorption-extraction-devolatilization processes.Exist simultaneously without porous in extrusion
Extraction-devolatilization processes of sorbing material.Two kinds of processes complement each other, and the efficiency for removing VOC is significantly improved.
The present invention has the advantages that for prior art：
1. the modified polypropene VOC extractants prepared by the present invention, wherein the major part for accounting for VOC extractant gross masses is boiling
Alcohols or water of the point less than 120 DEG C, fluorine-free nonionic surface active agent solution adsorb greatly in polypropylene extrusion
Measure VOC and detached by vacuum, secondary pollution will not be produced.Therefore, the extractant has the characteristics that safe and environment-friendly.
2. the modified polypropene of present invention VOC extractants have the efficiency of VOC in high removing polypropylene：On a small quantity
Fluorine-free nonionic surface active agent play suction-operated of the increase solvent to VOC, in polypropylene extrusion, pass through
There is the process of extraction-devolatilization without porous adsorbing material in porous absorption-extraction-devolatilization, the efficiency for removing VOC obtains simultaneously
To being obviously improved.Polypropylene material VOC content after modified is greatly lowered, and smell is significantly reduced.
3. the present invention modified polypropene VOC extractants, it is processed after environment-friendly modified polypropylene not only VOC contains
Amount is greatly reduced, and smell significantly reduces, moreover, the porous adsorbent remained on a small quantity in environment-friendly modified polypropylene is to polypropylene
The mechanical performance of itself has little to no effect.
4. the modified polypropene of the present invention fluorine-free nonionic surfactant used in VOC extractants and porous
Adsorbent is cheap and easy to get, and manufacturing procedure is simple, is adapted to large-scale production.
Embodiment
The present invention is further illustrated below by embodiment, following examples are the preferable embodiment party of the present invention
Formula, but embodiments of the present invention are not limited by following embodiments.
The embodiment raw material used with comparative example experiment is following raw material, but is not limited to following raw material：
Polypropylene：PP M2600R, COPP, melt flow rate (MFR) 25g/10min（230 DEG C, 2.16kg）, it is purchased from Shanghai
Petrochemical industry；
High melt strength, propylene：PP WB140HMS, purchased from Borealis, melt strength 35cN；
Plain polypropylene：EP300M, CSPC, melt strength 8cN;
Talcum powder：TYT-777A, 3000 mesh, it is purchased from Liaoning Ai Hai；
Diatomite：It is purchased from CELITE, the mg/g of water vapor adsorption amount 90（10%RH）And 460mg/g（50%RH）；
Concave convex rod：It is purchased from Xuyi Xin Yuan Science and Technology Ltd.s, the mg/g of water vapor adsorption amount 76（10%RH）And 387mg/g（50%
RH）；
Expanded perlite：Be purchased from the excellent Buddhist nun in Wuhan can, the mg/g of water vapor adsorption amount 55（10%RH）And 365mg/g（50%RH）；
Zeolite：It is purchased from good and new material, the mg/g of water vapor adsorption amount 85（10%RH）And 438mg/g（50%RH）；
3A molecular sieves：It is purchased from Shanghai Heng Ye molecular sieves limited company, the mg/g of water vapor adsorption amount 98（10%RH）With
465mg/g（50%RH）；
5 A molecular sieves：It is purchased from Shanghai Heng Ye molecular sieves limited company, the mg/g of water vapor adsorption amount 110（10%RH）With
480mg/g（50%RH）；
3000 mesh talcum powder：AH51205, Anhai Talc Co., Ltd., Liaoning's qualification, the mg/g of water vapor adsorption amount 5（10%RH）With
600mg/g（50%RH）；
Water：Make deionized water by oneself；
Ethanol：Absolute ethyl alcohol, purchased from Guangzhou Chemical Reagent Factory；
Triton X-100：It is purchased from Sigma-Aldrich；
Tween 20：It is purchased from Hai'an petrochemical industry；
Tween 60：It is purchased from Hai'an petrochemical industry；
Tween 80：It is purchased from Hai'an petrochemical industry；
Lauryl amine APEO：Wedomine E1202, it is purchased from prestige all chemical industry；
Stearylamine APEO：Wedomine E1802, it is purchased from prestige all chemical industry；
Embodiment 1-20 and comparative example 1-2：
The preparation of polypropylene carrier：
According to the proportioning of table 1, table 2, polypropylene and porous adsorbent are sufficiently mixed in homogenizer uniformly, in extruder
Middle melt blending extruding pelletization obtains expanded polypropylene presoma；Expanded polypropylene presoma is foamed using physical blowing agent,
Polypropylene carrier is made；Polypropylene carrier the performance test results are shown in Table 4.
The preparation of modified polypropene VOC extractants：
According to the proportioning of table 1, table 2, by the polypropylene carrier prepared and fluorine-free nonionic surface active agent solution by with
Than by homogenizer, stirring 3-5 minutes with 1000 revs/min of speed, obtaining modified polypropene VOC extractants.
Embodiment 21-40 and comparative example 3-4：
The preparation of environment-friendly modified PP composite material：
The modified polypropene prepared by the order of table 1, table 2 further prepares environment-friendly modified polypropylene successively with VOC extractants
Composite（Embodiment 1-20 is corresponding in turn to embodiment 21-40, and comparative example 1-2 is corresponding in turn to comparative example 3-4）：By 20 parts by weight
Talcum powder puts into extruder from side spout, and 78 parts by weight of polypropylene and 2 parts by weight VOC extractants mix in high-speed mixer
After uniformly melt blending in double screw extruder is put into from main spout.Vacuum is controlled, extruding pelletization obtains environment-friendly modified
PP composite material.The odor properties test result of the environment-friendly modified PP composite material is shown in Table 3, measuring mechanical property
It the results are shown in Table 5.
Each performance test methods：
VOC is measured according to SJ-NW-39, SJ-NW-42, SJ-NW-43；
Smell is measured according to popular PV 3900：Sampling：20 ± 2g plastic pellets；Experimental condition：Sample is put into 1L masses
Odor bottle, 2h ± 10min is dried at 80 ± 2 DEG C, 60 ± 5 DEG C are cooled to after taking-up；Evaluation：At least 3 smell person's evaluations；Judge
It is required that it is as follows,
Tensile strength is according to ISO 527-2, test condition 50mm/min, 23 DEG C；
Bending strength and bending modulus are according to ISO 178, test condition 2mm/min, 23 DEG C；
Izod notched impact strength is according to ISO 180,23 DEG C of test condition, pendulum energy 4J；
Melt Strength Test Method：Using rheology extensograph testing, with 30m/s at 230 DEG C2Acceleration draw melt line
Material, record stretching hardness number and rate of withdraw.
Abscess aperture and the method for testing of distribution of cells density：With scanning electron microscope observation section, calculated by statistical
Average pore size and distribution density.Average pore size carries out analysis with nano measurer softwares and drawn, distribution density below equation
It is calculated：Nf=(nM2/A)3/2Wherein Nf is distribution density, and A is the area cm of ESEM visual field2, n is the abscess in visual field
Number, M are multiplication factor.
Table 1：Embodiment 1-20 polypropylene VOC extractant each group distribution ratios（Percentage by weight wt%）
Continued 1
Table 2：Comparative example 1-2 polypropylene VOC extractant each group distribution ratios（Percentage by weight wt%）
Table 3：The odor properties test result of environment-friendly modified PP composite material
Continued 3
Continued 3
Table 4：Polypropylene carrier test result
Table 5：The measuring mechanical property result of environment-friendly modified PP composite material
Can be seen that modified polypropene from embodiment and comparative example can effectively remove modified poly- third with the use of VOC extractants
VOC in alkene and reduce oder levels.On the whole, fluorine-free nonionic surface active agent is added for having except VOC
Effect is greatly facilitated, except VOC efficiency is as the dosage of fluorine-free nonionic surface active agent rises and rises.From polypropylene
The test result of carrier melt intensity, abscess aperture and distribution of cells density can be seen that the present invention and be gathered using high fondant-strength
Propylene, porous adsorbent can uniformly, be largely distributed in expanded polypropylene carrier, and cell size is homogeneous to be evenly distributed, tool
Have and higher remove VOC effects.
Claims (12)
- A kind of 1. modified polypropene VOC extractants, it is characterised in that by weight percentage, including following components:Polypropylene carrier 11-50 wt%；Fluorine-free nonionic surface active agent solution 50-89 wt%.
- 2. modified polypropene according to claim 1 VOC extractants, it is characterised in that described polypropylene carrier is pressed Percentage by weight meter, including 60-90 wt% high melt strength, propylene and 10-40 wt% porous adsorbent；Described height Melt strength polypropylene is selected from melt strength >=30cN polypropylene；Melt Strength Test Method is：Surveyed using rheology tensilometer It is fixed, at 230 DEG C, with acceleration 30m/s2Draw melt wire rod, record stretching hardness number and rate of withdraw.
- 3. modified polypropene according to claim 1 or 2 VOC extractants, it is characterised in that described polypropylene carrier Melt strength >=30cN, abscess aperture is 20-60 microns, distribution of cells density >=105/cm3。
- A kind of 4. modified polypropene VOC extractants according to claim 2, it is characterised in that described porous absorption Agent is selected from least one of silicate, alumino-silicate.
- A kind of 5. modified polypropene VOC extractants according to claim 4, it is characterised in that described silicate choosing From at least one of diatomite, expanded perlite, expanded vermiculite, concave convex rod；Described alumino-silicate is selected from zeolite, 3A molecules At least one of sieve, 4A molecular sieves, 5A molecular sieves, 10X molecular sieves, 13X molecular sieves.
- A kind of 6. modified polypropene VOC extractants according to claim 2,4 or 5, it is characterised in that the porous suction The mg/g of attached dose of water vapor adsorption amount under 10%RH >=30, the mg/g of water vapor adsorption amount under 50%RH >=300, test mark Quasi- reference GB/T 6287-1986.
- 7. modified polypropene according to claim 1 VOC extractants, it is characterised in that described fluorine-free nonionic Type surfactant solution by weight percentage, includes the one of the alcohols of 97.5-99.9 wt% water or boiling point less than 120 DEG C Kind or a variety of and 0.1-2.5 wt% fluorine-free nonionic surface active agent；Alcohols of the described boiling point less than 120 DEG C is selected from Methanol, ethanol, propyl alcohol, at least one of butanol.
- 8. a kind of modified polypropene VOC extractants according to claim 7, it is characterised in that described fluorine-free is non- Ionic surfactant is selected from poly- sorb fat, Triton classes nonionic surface active agent, polyethenoxy ether class nonionic At least one of surfactant, the quick-acting scouring and bleaching agents of not fluorine-containing low bubble, 2,4,7,9- tetramethyl -5- decine -4,7- glycol.
- A kind of 9. modified polypropene VOC extractants according to claim 8, it is characterised in that described poly- sorb fat Selected from least one of polysorbas20, polysorbate60, Tween 80；Described Triton class nonionic surface active agent is selected from Triton X-100；Described polyethenoxy ether class nonionic surface active agent is selected from lauryl amine APEO, stearylamine At least one of APEO；The described not fluorine-containing low quick-acting scouring and bleaching agents of bubble are selected from JL-906-F.
- 10. the preparation method of the modified polypropene VOC extractants described in claim any one of 1-9, it is characterised in that including Following steps：Polypropylene carrier and fluorine-free nonionic surface active agent solution are passed through into homogenizer by proportioning, with 1000 turns/ Speed stirring 3-5 minutes minute, fluorine-free nonionic surface active agent solution is fully adsorbed in polypropylene carrier, changed Property polypropylene VOC extractants.
- 11. the modified polypropene according to claim 10 preparation method of VOC extractants, it is characterised in that described poly- The preparation method of propylene carrier, comprises the following steps：A. the high melt strength, propylene and porous adsorbent are sufficiently mixed in homogenizer uniformly, in extruder Middle melt blending extruding pelletization obtains expanded polypropylene presoma；B. expanded polypropylene presoma is foamed using physical blowing agent, polypropylene carrier is made；Described physical blowing agent selects one or both of nitrogen or supercritical carbon dioxide.
- 12. the modified polypropene any one of claim 1-11 is preparing environment-friendly modified polypropylene with VOC extractants In application, it is characterised in that the modified polypropene is mixed with VOC extractants with polypropylene and auxiliary agent, through efficient batch mixing After machine is uniformly mixed, then through double-screw extruding pelletizing obtain environment-friendly modified PP composite material；The modification poly- third Alkene is 0.1 part ~ 15 parts by environment-friendly modified polypropylene gross weight meter with the additive capacity of VOC extractants.
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| CN109021402A (en) * | 2018-08-28 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of polyolefin VOC modifier and preparation method thereof |
| CN109161172A (en) * | 2018-08-28 | 2019-01-08 | 安徽江淮汽车集团股份有限公司 | A kind of low VOC antibacterial PBT composite and preparation method thereof |
| CN109535568A (en) * | 2018-12-19 | 2019-03-29 | 上海睿聚环保科技有限公司 | A kind of low VOC regenerating polypropylene material and its preparation process |
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| CN110128993A (en) * | 2019-05-21 | 2019-08-16 | 郑州华普密封材料有限公司 | Low VOC one-component polyurethane sealant of a kind of long-acting low smell and preparation method thereof |
| CN111500076A (en) * | 2020-05-14 | 2020-08-07 | 南京京锦元科技实业有限公司 | Low-odor thermoplastic elastomer material for automotive interior and preparation method thereof |
| CN111500076B (en) * | 2020-05-14 | 2022-04-05 | 南京京锦元科技实业有限公司 | Low-odor thermoplastic elastomer material for automotive interior and preparation method thereof |
| CN112574440A (en) * | 2020-12-17 | 2021-03-30 | 武汉金发科技有限公司 | Adsorption type low-odor master batch for polypropylene and preparation method thereof |
| CN113980397A (en) * | 2021-10-12 | 2022-01-28 | 中广核三角洲（江苏）塑化有限公司 | Low-odor and low-VOC (volatile organic compound) TPV (thermoplastic vulcanizate) material for automobiles and preparation method thereof |
| CN116333465A (en) * | 2023-05-23 | 2023-06-27 | 北京助天科技集团有限公司 | Novel organic-inorganic composite material, preparation method and application thereof |
| CN116333465B (en) * | 2023-05-23 | 2023-08-08 | 北京助天科技集团有限公司 | Organic-inorganic composite material, preparation method and application thereof |
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