CN114058125A - Low-odor low-emission modified polypropylene polymer composite material and preparation method thereof - Google Patents
Low-odor low-emission modified polypropylene polymer composite material and preparation method thereof Download PDFInfo
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- CN114058125A CN114058125A CN202111464616.0A CN202111464616A CN114058125A CN 114058125 A CN114058125 A CN 114058125A CN 202111464616 A CN202111464616 A CN 202111464616A CN 114058125 A CN114058125 A CN 114058125A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 48
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 48
- -1 polypropylene Polymers 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 229920000642 polymer Polymers 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010881 fly ash Substances 0.000 claims abstract description 46
- 239000004611 light stabiliser Substances 0.000 claims abstract description 25
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 239000012745 toughening agent Substances 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 7
- 208000016261 weight loss Diseases 0.000 claims description 7
- 230000004580 weight loss Effects 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 claims description 3
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 2
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002910 solid waste Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000013355 food flavoring agent Nutrition 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000009270 solid waste treatment Methods 0.000 description 2
- 229920003134 Eudragit® polymer Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a low-odor low-emission modified polypropylene polymer composite material which comprises, by mass, 10-20 parts of homopolymerized polypropylene, 20-40 parts of copolymerized polypropylene, 5-15 parts of a toughening agent, 5-10 parts of activated fly ash, 5-10 parts of talcum powder, 0.05-1 part of an antioxidant, 0.05-1 part of a light stabilizer, 0.5-1 part of a coupling agent and 0.05-1 part of a lubricant. The invention also provides a preparation method of the low-odor low-emission modified polypropylene polymer composite material. The invention has the following beneficial effects: the blending modification material with low odor and low emission of harmful substances is prepared by adding the industrial solid waste material fly ash into polypropylene for blending modification after surface treatment and interface modification of the industrial solid waste material fly ash, fully utilizing the principles of porous absorption on the surface of the fly ash material and acid-base neutralization, and absorbing the small molecular substances generated by a matrix due to thermal decomposition in the blending extrusion process.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of composite materials, in particular to a low-odor low-emission modified polypropylene polymer composite material and a preparation method thereof.
[ background of the invention ]
With the improvement of the living standard of people and the continuous development of the automobile industry, automobiles become more and more popular and become a vehicle for daily application; meanwhile, when a consumer purchases an automobile, the consumer only pays attention to the beauty of the external appearance of the automobile and pays attention to the environment protection of the automobile interior material more and more, and the performance of the automobile interior material becomes an important factor influencing the quality and grade of the whole automobile.
In the existing automobile interior material, a large amount of non-metallic materials are used, so that the existing automobile interior material has heavy smell and is not environment-friendly.
[ summary of the invention ]
The invention discloses a low-odor low-emission modified polypropylene polymer composite material and a preparation method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a modified polypropylene polymer composite material with low odor and low emission comprises, by mass, 10-20 parts of homopolymerized polypropylene, 20-40 parts of copolymerized polypropylene, 5-15 parts of a toughening agent, 5-10 parts of activated fly ash, 5-10 parts of talcum powder, 0.05-1 part of an antioxidant, 0.05-1 part of a light stabilizer, 0.5-1 part of a coupling agent and 0.05-1 part of a lubricant.
As a preferable improvement of the invention, the homopolymerized polypropylene is selected from one or more of PP-L5E89, PP-T30S, PP-Z30S and PP-S2040.
As a preferable improvement of the invention, the copolymerized polypropylene is selected from one or more of PP-K9026, PP-CI36D, PP-EPS30R and PP-K1215C.
As a preferable improvement of the invention, the toughening agent is one or two of ethylene-octene copolymer and ethylene propylene diene monomer.
As a preferable improvement of the invention, the activated fly ash is selected from one or more of 800 meshes, 1250 meshes and 2500 meshes.
As a preferable improvement of the invention, the talc powder is selected from one or more of 1250 mesh, 2500 mesh, 5000 mesh and 10000 mesh.
As a preferable improvement of the invention, the antioxidant is one or more selected from antioxidant 1010, antioxidant 168, antioxidant DSTDP, antioxidant 1076 and antioxidant 2246.
As a preferable improvement of the invention, the light stabilizer is one or more selected from light stabilizer 770DF, light stabilizer 944G, light stabilizer 622 and light stabilizer LA-402 XPAF.
As a preferable improvement of the invention, the lubricant is one or more selected from calcium stearate, sodium stearate, erucamide, eudragit, butyl stearate and ethylene bisstearamide.
The invention also provides a preparation method of the low-odor low-emission modified polypropylene polymer composite material, which comprises the following steps:
step S1, activating the fly ash;
step S11, performing ball milling and screening on the fly ash by a screening machine to obtain the fly ash with target fineness;
step S12, adding 0.5-1kg of fly ash with target fineness into a high-speed stirring pot, stirring at the stirring speed of 3000-;
step S13, adding 500-1000ml NaOH solution with the concentration of 5-10mol/L, adjusting the stirring speed to 8000-10000r/min, controlling the temperature at 80-100 ℃, and stirring for 1-3 hours to obtain dry strong alkali treated fly ash;
s14, adding 0.5-1 part by mass of coupling agent into the strong alkali treatment powder, stirring at the rotating speed of 5000-7000r/min, controlling the temperature at 90-110 ℃, adding 0.05-0.5 part by mass of lubricant after stirring for 20-40min, stirring at the rotating speed of 3000-5000r/min, and stirring for 8-15min to obtain activated fly ash;
and S2, preparing the composite material, namely adding the homo-polypropylene, the co-polypropylene, the toughening agent, the activated fly ash, the talcum powder, the antioxidant and the light stabilizer into respective feeding bins, setting a formula proportion through a full-automatic weight-loss feeding system, and then performing extrusion blending to obtain the modified polypropylene polymer composite material with low odor and low emission, wherein the rotating speed of a main machine of the full-automatic weight-loss feeding system is 400-600r/min, the feeding speed is 400-600 kg/h, the current of the main machine is 150-230A, and the extrusion vacuum degree is less than or equal to-0.07 Mpa.
The invention has the following beneficial effects:
1. soaking the fly ash by using a strong alkaline solution, dissolving small molecular substances in the fly ash and simultaneously reacting with an aluminum-containing compound in the fly ash to obtain treated fly ash with high through holes and high specific surface area of reaction activation sites;
2. the characteristics of high porosity and specific surface area of the fly ash are utilized, so that the reaction activated sites of the fly ash react and adsorb acidic small molecular substances generated in the processing process of the polymer, and the odor and small molecule emission of the polymer composite material are effectively reduced under the condition of not adding a chemical deodorant and a flavoring agent while solving the problem of solid waste treatment.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a low-odor low-emission modified polypropylene polymer composite material which comprises, by mass, 10-20 parts of homopolymerized polypropylene, 20-40 parts of copolymerized polypropylene, 5-15 parts of a toughening agent, 5-10 parts of activated fly ash, 5-10 parts of talcum powder, 0.05-1 part of an antioxidant, 0.05-1 part of a light stabilizer, 0.5-1 part of a coupling agent and 0.05-1 part of a lubricant.
The homopolymerized polypropylene is selected from one or more of PP-L5E89, PP-T30S, PP-Z30S and PP-S2040.
The copolymerized polypropylene is selected from one or more of PP-K9026, PP-CI36D, PP-EPS30R and PP-K1215C.
The toughening agent is one or two of ethylene-octene copolymer and ethylene propylene diene monomer.
The activated fly ash is selected from one or more of 800 meshes, 1250 meshes and 2500 meshes.
The talcum powder is selected from one or more of 1250 meshes, 2500 meshes, 5000 meshes and 10000 meshes.
The antioxidant is one or more selected from antioxidant 1010, antioxidant 168, antioxidant DSTDP, antioxidant 1076 and antioxidant 2246.
The light stabilizer is selected from one or more of light stabilizer 770DF, light stabilizer 944G, light stabilizer 622 and light stabilizer LA-402 XPAF.
The lubricant is selected from one or more of calcium stearate, sodium stearate, erucamide, oleamide, butyl stearate and ethylene bisstearamide.
The low odor and low emission modified polypropylene polymer composite provided by the present invention will be described in detail with reference to specific examples 1-3.
Example 1
Embodiment 1 provides a low-odor low-emission modified polypropylene polymer composite material, which comprises, by mass, 10 parts of homo-polypropylene, 20 parts of co-polypropylene, 5 parts of a toughening agent, 5 parts of activated fly ash, 5 parts of talc powder, 0.05 part of an antioxidant, 0.05 part of a light stabilizer, 0.5-part of a coupling agent, and 0.05 part of a lubricant.
Example 2
Embodiment 2 provides a low-odor low-emission modified polypropylene polymer composite material, which comprises, by mass, 15 parts of homo-polypropylene, 30 parts of co-polypropylene, 10 parts of a toughening agent, 7 parts of activated fly ash, 7 parts of talc powder, 0.3 part of an antioxidant, 0.2 part of a light stabilizer, 0.3 part of a coupling agent, and 0.5 part of a lubricant.
Example 3
Embodiment 3 provides a low-odor low-emission modified polypropylene polymer composite material, which comprises, by mass, 20 parts of homo-polypropylene, 40 parts of co-polypropylene, 15 parts of a toughening agent, 10 parts of activated fly ash, 10 parts of talc powder, 1 part of an antioxidant, 1 part of a light stabilizer, 1 part of a coupling agent, and 1 part of a lubricant.
The invention also provides a preparation method of the low-odor low-emission modified polypropylene polymer composite material, which comprises the following steps:
step S1, activating the fly ash;
step S11, performing ball milling and screening on the fly ash by a screening machine to obtain the fly ash with target fineness;
step S12, adding 0.5-1kg of fly ash with target fineness into a high-speed stirring pot, stirring at the stirring speed of 3000-;
step S13, adding 500-1000ml NaOH solution with the concentration of 5-10mol/L, adjusting the stirring speed to 8000-10000r/min, controlling the temperature at 80-100 ℃, and stirring for 1-3 hours to obtain dry strong alkali treated fly ash;
s14, adding 0.5-1 part by mass of coupling agent into the strong alkali treatment powder, stirring at the rotating speed of 5000-7000r/min, controlling the temperature at 90-110 ℃, adding 0.05-0.5 part by mass of lubricant after stirring for 20-40min, stirring at the rotating speed of 3000-5000r/min, and stirring for 8-15min to obtain activated fly ash;
and S2, preparing the composite material, namely adding the homo-polypropylene, the co-polypropylene, the toughening agent, the activated fly ash, the talcum powder, the antioxidant and the light stabilizer into respective feeding bins, setting a formula proportion through a full-automatic weight-loss feeding system, and then performing extrusion blending to obtain the low-odor low-emission modified polypropylene polymer composite material, wherein the rotating speed of a main machine of the full-automatic weight-loss feeding system is 400-600r/min, the feeding speed is 400-600 kg/h, the current of the main machine is 150-230A, and the extrusion vacuum degree is less than or equal to-0.07 Mpa.
It needs to be further explained that the full-automatic weight-loss type feeding system uses a parallel twin-screw extruder with screw diameter of 72mm and length-diameter ratio of 60:1 to perform reactive blending extrusion, wherein the extrusion temperature is as follows: zone 1 at 150 ℃, zone 2 at 165 ℃, zone 3 at 170 ℃, zone 4 at 175 ℃, zone 5 at 180 ℃, zone 6 at 175 ℃, zone 8 at 170 ℃, zone 185 ℃, zone 9 at 170 ℃, zone 10 at 175 ℃ and head temperature at 170 ℃.
The properties of the composite material prepared by the preparation method of the low-odor low-emission modified polypropylene polymer composite material provided by the invention are shown in the following table 1.
TABLE 1
As can be seen from Table 1, the composite material prepared by the preparation method provided by the invention has high structural strength, and has excellent low odor and low emission.
The invention has the following beneficial effects:
1. soaking the fly ash by using a strong alkaline solution, dissolving small molecular substances in the fly ash and simultaneously reacting with an aluminum-containing compound in the fly ash to obtain treated fly ash with high through holes and high specific surface area of reaction activation sites;
2. the characteristics of high porosity and specific surface area of the fly ash are utilized, so that the reaction activated sites of the fly ash react and adsorb acidic small molecular substances generated in the processing process of the polymer, and the odor and small molecule emission of the polymer composite material are effectively reduced under the condition of not adding a chemical deodorant and a flavoring agent while solving the problem of solid waste treatment.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described without departing from the generic concept as defined by the claims and the equivalents thereof.
Claims (10)
1. The low-odor low-emission modified polypropylene polymer composite material is characterized by comprising, by mass, 10-20 parts of homo-polypropylene, 20-40 parts of co-polypropylene, 5-15 parts of a toughening agent, 5-10 parts of activated fly ash, 5-10 parts of talcum powder, 0.05-1 part of an antioxidant, 0.05-1 part of a light stabilizer, 0.5-1 part of a coupling agent and 0.05-1 part of a lubricant.
2. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the homopolymerized polypropylene is selected from one or more of PP-L5E89, PP-T30S, PP-Z30S and PP-S2040.
3. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the copolymerized polypropylene is selected from one or more of PP-K9026, PP-CI36D, PP-EPS30R and PP-K1215C.
4. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the toughening agent is one or two of ethylene-octene copolymer and ethylene propylene diene monomer.
5. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the activated fly ash is selected from one or more of 800 meshes, 1250 meshes and 2500 meshes.
6. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the talcum powder is selected from one or more of 1250 meshes, 2500 meshes, 5000 meshes and 10000 meshes.
7. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the antioxidant is one or more selected from antioxidant 1010, antioxidant 168, antioxidant DSTDP, antioxidant 1076 and antioxidant 2246.
8. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the light stabilizer is selected from one or more of light stabilizer 770DF, light stabilizer 944G, light stabilizer 622 and light stabilizer LA-402 XPAF.
9. The low odor, low emission modified polypropylene polymer composite of claim 1 wherein: the lubricant is selected from one or more of calcium stearate, sodium stearate, erucamide, oleamide, butyl stearate and ethylene bisstearamide.
10. A process for the preparation of a modified polypropylene polymer composite with low odor and low emission as claimed in any one of claims 1 to 9, comprising the steps of:
step S1, activating the fly ash;
step S11, performing ball milling and screening on the fly ash by a screening machine to obtain the fly ash with target fineness;
step S12, adding 0.5-1kg of fly ash with target fineness into a high-speed stirring pot, stirring at the stirring speed of 3000-;
step S13, adding 500-1000ml NaOH solution with the concentration of 5-10mol/L, adjusting the stirring speed to 8000-10000r/min, controlling the temperature at 80-100 ℃, and stirring for 1-3 hours to obtain dry strong alkali treated fly ash;
s14, adding 0.5-1 part by mass of coupling agent into the strong alkali treatment powder, stirring at the rotating speed of 5000-7000r/min, controlling the temperature at 90-110 ℃, adding 0.05-0.5 part by mass of lubricant after stirring for 20-40min, stirring at the rotating speed of 3000-5000r/min, and stirring for 8-15min to obtain activated fly ash;
and S2, preparing the composite material, namely adding the homo-polypropylene, the co-polypropylene, the toughening agent, the activated fly ash, the talcum powder, the antioxidant and the light stabilizer into respective feeding bins, setting a formula proportion through a full-automatic weight-loss feeding system, and then performing extrusion blending to obtain the modified polypropylene polymer composite material with low odor and low emission, wherein the rotating speed of a main machine of the full-automatic weight-loss feeding system is 400-600r/min, the feeding speed is 400-600 kg/h, the current of the main machine is 150-230A, and the extrusion vacuum degree is less than or equal to-0.07 Mpa.
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| CN104592627A (en) * | 2014-12-22 | 2015-05-06 | 上海普利特复合材料股份有限公司 | High-toughness high-shrinkage environmental-friendly modified polypropylene composition and preparation method thereof |
| CN106984266A (en) * | 2017-05-27 | 2017-07-28 | 东莞深圳清华大学研究院创新中心 | A kind of method that VOC molecular sieve adsorption materials are prepared by raw material of flyash |
| CN108889269A (en) * | 2018-08-02 | 2018-11-27 | 深圳市新诺生态环保技术有限公司 | A kind of preparation method of functionalization flyash |
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