CN115785634A - Bamboo fiber based degradable environment-friendly material and preparation method thereof - Google Patents
Bamboo fiber based degradable environment-friendly material and preparation method thereof Download PDFInfo
- Publication number
- CN115785634A CN115785634A CN202211661303.9A CN202211661303A CN115785634A CN 115785634 A CN115785634 A CN 115785634A CN 202211661303 A CN202211661303 A CN 202211661303A CN 115785634 A CN115785634 A CN 115785634A
- Authority
- CN
- China
- Prior art keywords
- bamboo fiber
- parts
- friendly material
- degradable environment
- based degradable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 93
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 92
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 92
- 241001330002 Bambuseae Species 0.000 title claims abstract description 92
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 92
- 239000011425 bamboo Substances 0.000 title claims abstract description 92
- 239000000463 material Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- -1 polybutylene succinate Polymers 0.000 claims abstract description 56
- 239000004631 polybutylene succinate Substances 0.000 claims abstract description 35
- 229920002961 polybutylene succinate Polymers 0.000 claims abstract description 35
- 239000004626 polylactic acid Substances 0.000 claims abstract description 33
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 31
- 239000004593 Epoxy Substances 0.000 claims abstract description 30
- 239000007822 coupling agent Substances 0.000 claims abstract description 26
- 239000000945 filler Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 30
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- 238000009210 therapy by ultrasound Methods 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims description 6
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GTEXIOINCJRBIO-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]-n,n-dimethylethanamine Chemical compound CN(C)CCOCCN(C)C GTEXIOINCJRBIO-UHFFFAOYSA-N 0.000 claims description 3
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 3
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 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 description 3
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000007142 ring opening reaction Methods 0.000 description 3
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010128 melt processing Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- GOLXRNDWAUTYKT-UHFFFAOYSA-N 3-(1H-indol-3-yl)propanoic acid Chemical group C1=CC=C2C(CCC(=O)O)=CNC2=C1 GOLXRNDWAUTYKT-UHFFFAOYSA-N 0.000 description 1
- ZDWQSEWVPQWLFV-UHFFFAOYSA-N C(CC)[Si](OC)(OC)OC.[O] Chemical compound C(CC)[Si](OC)(OC)OC.[O] ZDWQSEWVPQWLFV-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000011846 petroleum-based material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of bamboo fiber, in particular to a bamboo fiber-based degradable environment-friendly material and a preparation method thereof; the material comprises the following raw materials, by mass, 30-40 parts of polylactic acid, 7-12 parts of polybutylene succinate, 3-8 parts of bamboo fiber, 0.5-1 part of coupling agent, 0.2-1 part of epoxy oligomer, 0.1-0.3 part of tertiary amine compound and 2-4 parts of nano filler; the modified bamboo fiber, the degradable polylactic acid and the polybutylene succinate are subjected to melt blending to prepare the environment-friendly material, the compatibility of interfaces among the materials is good, and the prepared environment-friendly material has good tensile strength and large elongation at break and is a good degradable material.
Description
Technical Field
The invention relates to the technical field of bamboo fibers, in particular to a bamboo fiber-based degradable environment-friendly material and a preparation method thereof.
Background
The plastic material brings great environmental pollution while facilitating production and life of human beings, and the traditional plastic material is mostly a petroleum-based material which is difficult to degrade, and can cause serious white pollution or black pollution. With the development of society and the deep thought of environmental protection concept, the development of degradable plastic products to replace the traditional petroleum base material is a necessary requirement for plastics and plastic products.
At present, doping degradable materials is an important way for reducing the production cost of the degradable materials, but the defects that the compatibility of a dopant and the degradable materials is poor, the mechanical property and the degradable property of the degradable materials are reduced by the dopant and the like still exist. The method is characterized by searching a substance which can degrade, has wide material source, has toughening and reinforcing properties on the degradable material, modifying the substance, reinforcing the compatibility of the substance and the degradable material, further reducing the cost of the degradable material, reinforcing and toughening the degradable material, expanding the application range and the application field of the degradable material, promoting the replacement of the degradable material on the traditional petroleum-based plastic, and having important significance in promoting environmental protection and sustainable development.
Disclosure of Invention
The invention aims to provide a bamboo fiber-based degradable environment-friendly material and a preparation method thereof, the compatibility of interfaces among materials is good, and the prepared environment-friendly material has good tensile strength and large elongation at break and is a good degradable material.
In order to achieve the purpose, the invention provides the following technical scheme:
a bamboo fiber based degradable environment-friendly material comprises the following raw materials in parts by weight: 30-40 parts of polylactic acid, 7-12 parts of polybutylene succinate, 3-8 parts of bamboo fiber, 0.5-1 part of coupling agent, 0.2-1 part of epoxy oligomer, 0.1-0.3 part of tertiary amine compound and 2-4 parts of nano filler;
the preparation method of the bamboo fiber based degradable environment-friendly material comprises the following steps:
the method comprises the following steps: adding anhydrous ethanol which is 8-11 times of the mass of the coupling agent into the coupling agent in parts by mass, adding glacial acetic acid to adjust the pH value to 3-5, carrying out ultrasonic treatment at 600W power for 30-60 min, adding bamboo fiber and nano filler in parts by mass, carrying out water bath at 30-40 ℃, stirring at the speed of 80-120 r/min, reacting for 5-8 h, and drying the solvent to obtain a mixture A;
step two: drying polylactic acid and polybutylene succinate in parts by weight to constant weight, and uniformly mixing to obtain a mixture B; uniformly mixing the epoxy oligomer and the tertiary amine compound in parts by weight to obtain a mixture C;
step three: and (3) mixing the mixture A obtained in the step one, the mixture B obtained in the step two and the mixture C, heating to 230-250 ℃, stirring at the speed of 60-80 r/min for 30-60 min, transferring into a mold, performing hot press molding, cooling to room temperature, and thus obtaining the bamboo fiber-based degradable environment-friendly material.
Preferably, the bamboo fiber is maleic anhydride modified bamboo fiber, a certain mass of maleic anhydride is added into a certain mass of N, N-dimethylformamide, the bamboo fiber is added after complete dissolution, the ultrasonic treatment is carried out at 600W power for 1h, then the stirring is carried out at the temperature of 70-80 ℃ for 8-12 h at the speed of 100-120 r/min, then the filtering is carried out, and the drying is carried out in an oven at the temperature of 80 ℃ for 8-10 h, so as to obtain the maleic anhydride grafted bamboo fiber.
Further preferably, the raw materials in the maleic anhydride modified bamboo fiber are in a mass ratio of the bamboo fiber: maleic anhydride: n, N-dimethylformamide =1: 0.005-0.015: 5 to 6.
More preferably, the coupling agent is one or more of triisostearoyl isopropyl titanate, gamma-methacryloxypropyl trimethoxy silane and gamma-mercaptopropyl trimethoxy silane.
Further preferably, the epoxy oligomer is a linear epoxy alkyl oligomer, wherein the linear epoxy alkyl oligomer is one of a propylene oxide oligomer, a polyepoxy oligomer, or γ -glycidoxypropyltrimethoxysilane.
More preferably, the tertiary amine compound is one of octadecyl dimethyl tertiary amine, triethylene diamine, N-methyl morpholine, and bis (dimethylaminoethyl) ether.
More preferably, the nano filler is one of nano calcium carbonate, nano silicon dioxide and talcum powder.
In the first step of the preparation method of the bamboo fiber-based degradable environment-friendly material, a coupling agent is a silane coupling agent, the silane coupling agent is hydrolyzed into silanol, the silanol is dehydrated and condensed into low polysiloxane, then-OH of the low polysiloxane reacts with-OH on the surface of a fiber or a nano filler to generate hydrogen bonds, when the low polysiloxane is fused and blended with polylactic acid (PLA) and polybutylene succinate (PBS), the other end of the coupling agent can be connected with the PLA and the PBS, and the reaction involves:
in the melt processing process, the tertiary amine group of the tertiary amine compound attacks a secondary carbon atom with smaller steric hindrance on an epoxy group, so that the oxygen atom of the epoxy functional group is changed into oxygen anions, and the anions can react with the terminal carboxyl and the terminal hydroxyl of polylactic acid (PLA), polybutylene succinate (PBS) and the hydroxyl on the surface of the bamboo fiber in the melt processing process, so that the PLA, the PBS and the bamboo fiber are combined together in a chemical bonding mode, and the purpose of compatibilization is achieved.
Taking epoxy oligomer and tertiary amine compound octadecyl dimethyl tertiary amine as an example, at a melting temperature, the tertiary amine compound catalyzes a ring opening reaction of an epoxy functional group, and the method comprises the following steps:
the reaction of PLA, PBS, bamboo fiber and ring-opened epoxy oligomer involves:
the reaction involved in the maleic anhydride modified bamboo fiber is as follows:
the invention has the beneficial effects that:
1. the modified bamboo fiber, degradable polylactic acid and polybutylene succinate are subjected to melt blending to prepare an environment-friendly material, the bamboo fiber is maleic anhydride grafted modified bamboo fiber, the polarity of the surface of the bamboo fiber is reduced, the interface compatibility of the bamboo fiber, the polylactic acid and the polybutylene succinate is improved, the bamboo fiber and the nano filler are further treated by using a silane coupling agent, coupling agent molecules are grafted on the surface of the bamboo fiber and the surface of the nano filler, the connection performance between the bamboo fiber and the nano filler and the nonpolar polylactic acid and the polybutylene succinate is further improved, the prepared environment-friendly material becomes a whole, and the mechanical property of the material is ensured; in addition, polylactic acid and polybutylene succinate are modified by using epoxy oligomer, and a tertiary amine compound is used for catalyzing the ring opening of an epoxy functional group in the modification process, so that the epoxy functional group reacts with the terminal carboxyl and the terminal hydroxyl on the surfaces of the polylactic acid and the polybutylene succinate and the hydroxyl on the surface of the bamboo fiber, the polylactic acid, the polybutylene succinate and the bamboo fiber are connected through chemical bonds, and the mechanical property of the prepared environment-friendly material is further ensured.
2. The polylactic acid and the poly (butylene succinate) are matched for use and are connected through chemical bonds under the action of the epoxy oligomer, so that the final environment-friendly material integrates the advantages of the polylactic acid and the poly (butylene succinate), and has better tensile strength and excellent toughness; polylactic acid and polybutylene succinate are not simply melt-blended, but react with epoxy oligomer in the melt-blending process to form chemical bonds, so that molecular chains are increased, and the polylactic acid and the polybutylene succinate are mutually reinforced, toughened and firmly connected.
3. The surface of the bamboo fiber contains a large amount of hydroxyl, the surface is hydrophilic, and in order to reduce the surface polarity of the bamboo fiber and enhance the compatibility of the surface of the bamboo fiber with the surfaces of polylactic acid and polybutylene succinate, the surface of the bamboo fiber is modified by maleic anhydride, the maleic anhydride is grafted to the hydroxyl on the surface of the bamboo fiber in an open-loop manner, so that the content of the hydroxyl on the surface of the bamboo fiber is reduced, the polarity is reduced, the compatibility of the surface of the bamboo fiber with the surfaces of the polylactic acid and the polybutylene succinate is enhanced, and the bamboo fiber can be used as a matrix or a reinforcing material to modify and enhance the polylactic acid and the polybutylene succinate.
4. The use of the coupling agent further enhances the dispersion performance of the bamboo fiber and the nano filler in the polylactic acid and the polybutylene succinate, enhances the compatibility of the bamboo fiber and the nano filler, and enables the bamboo fiber, the nano filler, the polylactic acid and the polybutylene succinate to be connected through the coupling agent, thereby increasing the connection performance of the whole material and enabling the prepared environment-friendly material to be a firmly connected whole.
5. The epoxy oligomer is a compatibilizer, can be subjected to ring opening under the action of a tertiary amine compound, so that oxygen is negatively charged, and the negatively charged oxygen can react with terminal carboxyl and terminal hydroxyl of polylactic acid and polybutylene succinate and hydroxyl on the surface of the bamboo fiber in a melt blending process to form a hydrogen bond, so that PLA, PBS and the bamboo fiber are combined together in a chemical bonding mode, and the purpose of compatibilization is achieved.
6. The use of the nano-filler plays a role in filling, reduces the use amount of PLA and PBS to a certain extent, and plays a role in enhancing the wear resistance, strength and the like of the prepared environment-friendly material.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent 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.
Example 1
A bamboo fiber based degradable environment-friendly material comprises the following raw materials in parts by weight: 30 parts of polylactic acid, 7 parts of polybutylene succinate, 3 parts of bamboo fiber, 0.5 part of coupling agent, 0.2 part of epoxy oligomer, 0.1 part of tertiary amine compound and 2 parts of nano filler;
the bamboo fiber is modified by maleic anhydride, and is prepared by adding a certain mass of maleic anhydride into a certain mass of N, N-dimethylformamide, adding the bamboo fiber after completely dissolving, performing ultrasonic treatment at 600W power for 1h, stirring at 70 ℃ at a speed of 100r/min for 8h, filtering, and drying in an oven at 80 ℃ for 8h to obtain the maleic anhydride grafted bamboo fiber; wherein the mass ratio is bamboo fiber: maleic anhydride: n, N-dimethylformamide =1:0.005:5;
the coupling agent is triisostearoyl isopropyl titanate; the epoxy oligomer is propylene oxide oligomer; the tertiary amine compound is octadecyl dimethyl tertiary amine; the nano filler is nano calcium carbonate;
the preparation method of the bamboo fiber based degradable environment-friendly material comprises the following steps:
the method comprises the following steps: adding absolute ethyl alcohol with the mass 8 times that of the coupling agent into the coupling agent in parts by mass, adding glacial acetic acid to adjust the pH value to 3, carrying out ultrasonic treatment at the power of 600W for 30min, adding bamboo fibers and nano-fillers in parts by mass, carrying out water bath for 30 ℃, stirring at the speed of 80r/min, reacting for 5h, and drying the solvent to obtain a mixture A;
step two: drying polylactic acid and polybutylene succinate in parts by weight to constant weight, and uniformly mixing to obtain a mixture B; uniformly mixing the epoxy oligomer and the tertiary amine compound in parts by weight to obtain a mixture C;
step three: and (3) mixing the mixture A obtained in the step one, the mixture B obtained in the step two and the mixture C, heating to 230 ℃, stirring at the speed of 60r/min for 30min, transferring to a mold, performing hot press molding, cooling to room temperature, and thus obtaining the bamboo fiber based degradable environment-friendly material.
Example 2
A bamboo fiber based degradable environment-friendly material comprises the following raw materials in parts by mass: 40 parts of polylactic acid, 12 parts of polybutylene succinate, 8 parts of bamboo fiber, 1 part of coupling agent, 1 part of epoxy oligomer, 0.3 part of tertiary amine compound and 4 parts of nano filler;
the bamboo fiber is modified by maleic anhydride, and is prepared by adding a certain mass of maleic anhydride into a certain mass of N, N-dimethylformamide, adding the bamboo fiber after completely dissolving, performing ultrasonic treatment at 600W power for 1h, stirring at 80 ℃ at a speed of 120r/min for 12h, filtering, and drying in an oven at 80 ℃ for 10h to obtain the maleic anhydride grafted bamboo fiber; wherein the mass ratio is bamboo fiber: maleic anhydride: n, N-dimethylformamide =1:0.015:6;
the coupling agent is gamma-methacryloxypropyltrimethoxysilane; the epoxy oligomer is gamma-glycidol ether oxygen propyl trimethoxy silane; the tertiary amine compound is triethylene diamine; the nano filler is nano silicon dioxide;
the preparation method of the bamboo fiber based degradable environment-friendly material comprises the following steps:
the method comprises the following steps: adding 11 times of absolute ethyl alcohol by mass of a coupling agent into the coupling agent by mass, adding glacial acetic acid to adjust the pH value to 5, carrying out ultrasonic treatment at 600W power for 60min, adding bamboo fibers and nano-filler by mass, carrying out water bath at 40 ℃, stirring at the speed of 120r/min, reacting for 8h, and drying a solvent to obtain a mixture A;
step two: drying polylactic acid and polybutylene succinate in parts by weight to constant weight, and uniformly mixing to obtain a mixture B; uniformly mixing the epoxy oligomer and the tertiary amine compound in parts by weight to obtain a mixture C;
step three: and (3) mixing the mixture A obtained in the step (I), the mixture B obtained in the step (II) and the mixture C, heating to 250 ℃, stirring at the speed of 80r/min for 60min, transferring to a mold, performing hot press molding, cooling to room temperature, and thus obtaining the bamboo fiber-based degradable environment-friendly material.
Example 3
A bamboo fiber based degradable environment-friendly material comprises the following raw materials in parts by weight: 35 parts of polylactic acid, 10 parts of polybutylene succinate, 5 parts of bamboo fiber, 0.8 part of coupling agent, 0.6 part of epoxy oligomer, 0.2 part of tertiary amine compound and 3 parts of nano filler;
the bamboo fiber is modified by maleic anhydride, and is prepared by adding a certain mass of maleic anhydride into a certain mass of N, N-dimethylformamide, adding the bamboo fiber after completely dissolving, performing ultrasonic treatment at 600W power for 1h, stirring at 75 ℃ for 10h at a speed of 110r/min, filtering, and drying in an oven at 80 ℃ for 9h to obtain the maleic anhydride grafted bamboo fiber; wherein the mass ratio is bamboo fiber: maleic anhydride: n, N-dimethylformamide =1:0.010:5;
the coupling agent is gamma-mercaptopropyl trimethoxysilane; the epoxy oligomer is gamma-glycidoxypropyltrimethoxysilane; the tertiary amine compound is bis (dimethylaminoethyl) ether; the nano filler is talcum powder;
the preparation method of the bamboo fiber based degradable environment-friendly material comprises the following steps:
the method comprises the following steps: adding anhydrous ethanol which is 10 times of the mass of the coupling agent into the coupling agent in parts by mass, adding glacial acetic acid to adjust the pH value to 4, carrying out ultrasonic treatment at the power of 600W for 40min, adding bamboo fibers and nano-filler in parts by mass, carrying out water bath at the temperature of 30-405 ℃, stirring at the speed of 100r/min, reacting for 6h, and drying the solvent to obtain a mixture A;
step two: drying polylactic acid and polybutylene succinate in parts by weight to constant weight, and uniformly mixing to obtain a mixture B; uniformly mixing the epoxy oligomer and the tertiary amine compound in parts by weight to obtain a mixture C;
step three: and (3) mixing the mixture A obtained in the step one, the mixture B obtained in the step two and the mixture C, heating to 240 ℃, stirring at the speed of 70r/min for 40min, transferring to a mold, performing hot press molding, cooling to room temperature, and thus obtaining the bamboo fiber based degradable environment-friendly material.
And (3) testing: the sample with the size of 25mm multiplied by 5mm multiplied by 4mm prepared from the bamboo fiber based degradable environment-friendly material obtained in the embodiment 1 to 3 is processed by GB/T1040.3-2006 determination of plastic tensile propertyThe method for testing the tensile property and the elongation at break comprises the following steps: cutting the sample into 2mm × 2mm × 1mm samples, oven drying to constant weight, and uniformly burying 5g of the sample with an area of 30cm 2 And keeping the soil moist in the soil with the depth of 5cm, taking out after 60 days, washing, drying to constant weight, and calculating the degradation loss rate.
| Example 1 | Example 2 | Example 3 | |
| Tensile Strength (MPa) | 59 | 65 | 63 |
| Elongation at Break (%) | 68 | 73 | 71 |
| Degradation loss rate (%) | 74.2 | 72.6 | 73.5 |
As shown in the table, the degradable environment-friendly bamboo fiber-based material prepared by the method has good tensile strength, large elongation at break and large degradation loss rate in 60 days, and is a degradable material.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The bamboo fiber based degradable environment-friendly material is characterized by comprising the following raw materials in parts by mass: 30-40 parts of polylactic acid, 7-12 parts of polybutylene succinate, 3-8 parts of bamboo fiber, 0.5-1 part of coupling agent, 0.2-1 part of epoxy oligomer, 0.1-0.3 part of tertiary amine compound and 2-4 parts of nano filler;
the preparation method of the bamboo fiber based degradable environment-friendly material comprises the following steps:
the method comprises the following steps: adding anhydrous ethanol which is 8-11 times of the mass of the coupling agent into the coupling agent in parts by mass, adding glacial acetic acid to adjust the pH value to 3-5, carrying out ultrasonic treatment at 600W power for 30-60 min, adding bamboo fiber and nano filler in parts by mass, carrying out water bath at 30-40 ℃, stirring at the speed of 80-120 r/min, reacting for 5-8 h, and drying the solvent to obtain a mixture A;
step two: drying polylactic acid and polybutylene succinate in parts by weight to constant weight, and uniformly mixing to obtain a mixture B; uniformly mixing the epoxy oligomer and the tertiary amine compound in parts by weight to obtain a mixture C;
step three: and (3) mixing the mixture A obtained in the step one, the mixture B obtained in the step two and the mixture C, heating to 230-250 ℃, stirring at the speed of 60-80 r/min for 30-60 min, transferring into a mold, performing hot press molding, cooling to room temperature, and thus obtaining the bamboo fiber-based degradable environment-friendly material.
2. The bamboo fiber-based degradable environment-friendly material as claimed in claim 1, wherein: the bamboo fiber is modified by maleic anhydride, and is prepared by adding a certain mass of maleic anhydride into a certain mass of N, N-dimethylformamide, adding the bamboo fiber after completely dissolving, performing ultrasonic treatment at 600W power for 1h, stirring at the temperature of 70-80 ℃ at the speed of 100-120 r/min for 8-12 h, filtering, and drying in an oven at the temperature of 80 ℃ for 8-10 h.
3. The bamboo fiber-based degradable environment-friendly material as claimed in claim 2, wherein: the maleic anhydride modified bamboo fiber comprises the following raw materials in percentage by mass: maleic anhydride: n, N-dimethylformamide =1: 0.005-0.015: 5 to 6.
4. The bamboo fiber-based degradable environment-friendly material as claimed in claim 1, wherein: the coupling agent is one or more of triisostearoyl isopropyl titanate, gamma-methacryloxypropyl trimethoxysilane and gamma-mercaptopropyl trimethoxysilane.
5. The bamboo fiber-based degradable environment-friendly material as claimed in claim 1, wherein: the epoxy oligomer is a linear alkylene oxide-based oligomer.
6. The bamboo fiber-based degradable environment-friendly material as claimed in claim 5, wherein: the linear epoxy alkyl oligomer is one of epoxy propane oligomer, multi-epoxy oligomer or gamma-glycidoxypropyltrimethoxysilane.
7. The bamboo fiber-based degradable environment-friendly material as claimed in claim 1, wherein: the tertiary amine compound is one of octadecyl dimethyl tertiary amine, triethylene diamine, N-methyl morpholine and bis (dimethylaminoethyl) ether.
8. The bamboo fiber-based degradable environment-friendly material as claimed in claim 1, wherein: the nano filler is one of nano calcium carbonate, nano silicon dioxide and talcum powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661303.9A CN115785634A (en) | 2022-12-20 | 2022-12-20 | Bamboo fiber based degradable environment-friendly material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661303.9A CN115785634A (en) | 2022-12-20 | 2022-12-20 | Bamboo fiber based degradable environment-friendly material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115785634A true CN115785634A (en) | 2023-03-14 |
Family
ID=85426456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211661303.9A Pending CN115785634A (en) | 2022-12-20 | 2022-12-20 | Bamboo fiber based degradable environment-friendly material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115785634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117106291A (en) * | 2023-08-22 | 2023-11-24 | 广州俊谷塑料有限公司 | Degradable antibacterial material for 3D printing and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226004A (en) * | 2011-05-31 | 2011-10-26 | 中国科学院长春应用化学研究所 | Modified poly(lactic acid) and preparation method thereof |
| CN115403908A (en) * | 2022-09-30 | 2022-11-29 | 浙江兴湖聚材科技有限公司 | Heat-resistant degradable polylactic acid-based composite material and preparation method thereof |
-
2022
- 2022-12-20 CN CN202211661303.9A patent/CN115785634A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226004A (en) * | 2011-05-31 | 2011-10-26 | 中国科学院长春应用化学研究所 | Modified poly(lactic acid) and preparation method thereof |
| CN115403908A (en) * | 2022-09-30 | 2022-11-29 | 浙江兴湖聚材科技有限公司 | Heat-resistant degradable polylactic acid-based composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117106291A (en) * | 2023-08-22 | 2023-11-24 | 广州俊谷塑料有限公司 | Degradable antibacterial material for 3D printing and preparation method thereof |
| CN117106291B (en) * | 2023-08-22 | 2024-02-02 | 广州俊谷塑料有限公司 | Degradable antibacterial material for 3D printing and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115785634A (en) | Bamboo fiber based degradable environment-friendly material and preparation method thereof | |
| CN114479139B (en) | Fiber-based degradable film and preparation method thereof | |
| CN114957841B (en) | High-strength HDPE double-wall corrugated pipe and preparation method thereof | |
| CN105367914A (en) | High-strength anti-aging ethylene propylene diene monomer rubber pipe | |
| CN111944176A (en) | Starch-plant-based bio-plastic sheet for packaging and preparation method thereof | |
| CN106279874A (en) | A kind of preparation method of lignin-base polythene material | |
| CN105778464B (en) | A kind of graphene/glass fiber reinforced polycarbonate composite and preparation method thereof | |
| CN114958294A (en) | Single-component dealcoholized organosilicon sealant for moisture-heat-resistant photovoltaic module and preparation process thereof | |
| CN110372941A (en) | A kind of high density polyethylene pipe and preparation method thereof | |
| CN114085447A (en) | Basalt fiber reinforced plastic box and production process thereof | |
| CN109836557B (en) | Toughened hydrophobic epoxy resin and preparation method thereof | |
| CN111394035A (en) | High-strength transparent nail-free glue and preparation method thereof | |
| CN109880312B (en) | Preparation method of modified poly (butylene succinate) composite material for sensor shell | |
| CN105924800A (en) | Modified PPR and preparation method thereof | |
| CN108822511A (en) | A kind of preparation method of the full biomass 3D printing nano combined wire rod of PLA | |
| CN114957743B (en) | Copper sulfide nanosheet coated basalt fiber reinforced polypropylene composite material and preparation method thereof | |
| CN116554490A (en) | Preparation method of nano silicon nitride particle grafted modified enhanced PBAT | |
| CN116376249A (en) | Super-tough PLA/SiR blend and preparation method thereof | |
| CN114790309B (en) | Polyolefin composite material, preparation method thereof, floating body and photovoltaic bracket | |
| CN105017746B (en) | A kind of functional nano SiO2/ polypropylene carbonate composite material and preparation method thereof | |
| CN112280255A (en) | PET film with high flame retardant property | |
| CN106146857B (en) | Preparation method of carboxyl-terminated liquid fluororubber toughening modified epoxy resin system | |
| CN109355975A (en) | A kind of heat-resisting vulcan fibre and preparation method thereof | |
| CN110804266A (en) | Bagasse micro-powder composite reinforced PVC wood-plastic composite material | |
| CN114716786B (en) | High heat-resistant reinforced modified ABS composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |