CN107337857A - A kind of lignin/ternary ethlene propyene rubbercompound material and preparation method thereof - Google Patents
A kind of lignin/ternary ethlene propyene rubbercompound material and preparation method thereof Download PDFInfo
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- 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
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Abstract
The invention belongs to technical field of rubber material, discloses a kind of lignin/ternary ethlene propyene rubbercompound material and preparation method thereof.Composite of the present invention is obtained by the component reaction including following mass parts：100 parts of ethylene propylene diene rubbers, 10~100 parts of lignin, 1~30 part of reactive compatibilizers, 1~15 part of modifier A, 0~10 part of modifying agent B.The present invention can obtain the composite of different mechanical properties by adjusting lignin, reactive compatibilizers, modifier A and modifying agent B dosage, and its tensile strength can be 10~30MPa, and elongation at break is 250~800%.Pass through reactive compatibilizers, the effect of modifying agent, the energy that non-covalent bond connection is built between lignin and ethylene propylene diene rubber boundary sacrifices key effect, obtain excellent comprehensive mechanical property, realizing lignin had not only strengthened rubber but also toughness reinforcing, overcame the problem of causing physical property difference because of lignin and ethylene propylene diene rubber poor compatibility.
Description
Technical field
The invention belongs to technical field of rubber material, more particularly to a kind of lignin/ternary ethlene propyene rubbercompound material and
Its preparation method.
Background technology
Ethylene propylene diene rubber, abbreviation EPDM, be ethene, propylene and non-conjugated diene hydrocarbon terpolymer, have good
Chemicals-resistant, electrical insulating property, cryogenic property, can be widely used for building materials waterproof material, automobile component, electric wire and cable jacket,
In other products such as heat-resistant rubber hose, adhesive tape and automotive sealant.But ethylene propylene diene rubber belongs to amorphism rubber, does not have
It is standby to need to add substantial amounts of reinforcement/filler in actual processing to improve its physical and mechanical properties from reinforcing, such as carbon black,
The fillers such as white carbon, calcium carbonate.In addition, rubber thermo oxidative aging in itself and resistance to UV aging deficiency are, it is necessary to add small
The antioxidant and light stabilizer of molecule, such as Hinered phenols, hindered amines, migration, extraction be present, there is certain toxicity and can make
Into the problems such as environmental pollution.
Lignin is the second largest biomass resource that cellulose is only second in plant, degradable, nonhazardous, is with aromatic ring
The feature structure such as the natural polymer of structure, phenyl ring, phenolic hydroxyl group in its molecule makes it have excellent uvioresistant spoke
Penetrate and ageing resistace [Green Chem., 2015,17 (1):320-324.].Traditional carbon black or nothing are replaced using lignin
Machine filler strengthens ethylene propylene diene rubber, prepares lignin/rubber combined material with excellent uvioresistant, ageing resistace
Material, the cost of elastomeric material can be not only reduced, while lignin can play processing stabilizers, anti-short UV light stabilization
Agent, anti-aging effect.But because EPDM is nonpolar polyolefin hydro carbons rubber, and containing substantial amounts of more in lignin molecule
Phenol and quinoid isopolarity functional group, its intermolecular force is strong, easily reunites, and causes it with rubber matrix poor compatibility and not
Easily scattered [China Synthetic Rubber Industry, 2001,24 (1):51-55.].
The work for preparing composite with ethylene propylene diene rubber blending about lignin both at home and abroad at present is rarely reported.Wang Xiao
Victory et al. is reported a kind of method for being strengthened ethylene propylene diene rubber using organosolv lignin and [applies chemical industry, 2008,37 (11):
1316-1319].In this method, lignin needs first to carry out modified by maleic acid anhydride graft, then with SiO2It is prepared by Nanocomposites
Into lignin grafted maleic anhydride/Nano-meter SiO_22Compound particle, then vulcanize with rubber mill, the stretching of resulting materials before ageing
Intensity only up to reach about 8MPa, and elongation at break highest only has 400% or so.And most of research work is all to utilize fibre
Dimension, carbon black or other inorganic fillers and ethylene propylene diene rubber blending prepare composite.For example, Airinei et al. [Polymer
Testing2017,59:75-83.] flax fiber and EPDM high-temperature mixings are used, the tensile strength of gained composite is relatively low, nothing
Method meets requirement.Naderi et al. [Composites Science and Technology 2017,141:83-98.]
Trielement composite material, resulting materials better performances are made with graphene film, polypropylene, EPDM, but cost is higher.Patent
CN105199244A discloses a kind of preparation method using textile-like fibre reinforced ethylene propylene diene rubber.This method is using big
The carbon-fiber textiles of amount carry out solubilizer processing as reinforcing agent, and firstly the need of to textile-like carbon fiber, need to finally adopt
It is crosslinked with gamma Rays, prepared composite material strength is higher, but preparation process is complicated, and cost is higher, unfavorable
In large-scale application.Therefore, how by the use of cheap industrial lignin as reinforcing agent to strengthen ethylene propylene diene rubber, realize wood
Rubber had not only been strengthened quality but also the effect of toughness reinforcing, is the significant difficulty that current research is badly in need of solving.
The content of the invention
Above-mentioned due to lignin and ethylene propylene diene rubber matrix poor compatibility and it is not easy point in the prior art to overcome
Dissipate and be to provide a kind of lignin/tri- with deficiency, primary and foremost purpose of the invention the shortcomings that causing low composite material strength, poor toughness
First EP rubbers composite.
Another object of the present invention is to provide a kind of preparation method of above-mentioned lignin/ternary ethlene propyene rubbercompound material.
The purpose of the present invention is realized by following proposal：
A kind of lignin/nitile-butadiene rubber composite material, is obtained by the component reaction including following mass parts：
The ethylene propylene diene rubber that described ethylene propylene diene rubber is known in the art, it is ethene, propylene and non-conjugated diene
The terpolymer of hydrocarbon.
The alkali lignin that described lignin can be but be not limited in paper industry obtained by soda pulping process, or wood fibre
Element ferments the enzymolysis xylogen of ethanol processed extraction, or in the organic solvent lignin that is extracted from lignocellulosic of organic solvent method
One or more.
Described reactive compatibilizers be preferably epoxidation end hydroxy butadiene (EHTPB), maleic anhydride grafted ethene/
At least one in octene copolymer (POE-MA), maleic anhydride inoculated polypropylene (PP-MA), maleic anhydride grafting polyisoprene
Kind.
The modifier A is preferably the triazole of 3- amino -1,2,4 (ATA), 4- (2- ethylamino-s) benzene -1,2- diphenol (DOPA
Amine), 2- amino -3- imidazole radicals propionic acid (histidine), in 1,3,5- triazine -2,4,6- triamines (melamine) and tannic acid at least
It is a kind of.
The modifying agent B is ZnCl2、CaCl2、FeCl3、CuCl2At least one of with zinc acrylate resin.
The present invention also provides a kind of preparation method of above-mentioned lignin/ternary ethlene propyene rubbercompound material, including following step
Suddenly：Under heating condition, ethylene propylene diene rubber, reactive compatibilizers, modifier A are added into banbury, is kneaded 5~20 minutes；
Lignin and modifying agent B are added, continues mixing 5~20 minutes, you can it is compound to obtain thermoplastic lignin/ethylene propylene diene rubber
Material.
Further, heat cured lignin/ternary ethlene propyene rubbercompound material can be obtained by vulcanizing.
Further, vulcanization aid can be added by the way that system temperature after above-mentioned mixing is down into less than 60 DEG C, it is kneaded 5~
Discharge within 20 minutes, tabletting, cure, after vulcanizing in vulcanizer, obtain heat cured lignin/ternary ethlene propyene rubbercompound material.
The heating condition is preferably 25~180 DEG C, more preferably 40~150 DEG C.
Vulcanization aid amount used is this area conventional amount used, preferably 5~15 mass parts.
Described vulcanization aid is conventional use of vulcanization aid, including ZnO, stearic acid, cumyl peroxide
(DCP), iso-cyanuric acid triallyl ester (TAIC) etc., its dosage are conventional amount used, preferably 2.5 mass parts ZnO, 1
Mass parts stearic acid, 5 mass parts cumyl peroxides (DCP) and 1 mass parts iso-cyanuric acid triallyl ester (TAIC).
The process conditions of the vulcanization use this area conventional vulcanization process condition, are known to those skilled in the art.
The technique of the vulcanization is preferably to vulcanize 10~40 minutes under 160~180 DEG C, 12~30MPa.
The time of the curing can adjust as needed, preferably 8~48h.
The vulcanizer is preferably vulcanizing press.Described tabletting is carried out preferably in two-roll mill.
The present invention is by reactive compatibilizers, the effect of modifying agent, the structure between lignin and ethylene propylene diene rubber boundary
The energy for building non-covalent bond connection sacrifices key effect, and lignin/ternary ethlene propyene rubbercompound material of preparation has excellent comprehensive
Mechanical property is closed, realizes that lignin had not only strengthened rubber but also toughness reinforcing, overcame because of lignin and ethylene propylene diene rubber poor compatibility
And the problem of causing composite physical property difference.Can be by adjusting lignin in composite, reactive compatibilizers, modifying agent
A and modifying agent B dosage obtain the composite of different mechanical properties, and its tensile strength can be 10~30MPa, elongation at break
For 250~800%.
The present invention is had the following advantages and beneficial effect relative to prior art：
1st, lignin of the present invention is the accessory substance alkali lignin or lignocellulose for fermentation obtained by soda pulping process
The organic solvent lignin that the enzymolysis xylogen or organic solvent method of ethanol extraction processed extract from lignocellulosic, raw material sources
Extensively, it is renewable, there is environment friendly and biological degradability, and cost is relatively low.Therefore the three of reinforcing agent is done compared to carbon black
First EP rubbers, lignin of the invention/EPDM composites have lower cost.
2nd, the lignin used in the present invention has excellent anti-ultraviolet radiation and anti-aging function in itself, imparts composite wood
Expect more preferable anti-ultraviolet radiation and anti ageing property.
3rd, lignin enhancing ethylene propylene diene rubber is not used only in the present invention, and by lignin and ethylene-propylene-diene monomer
Reactive compatibilizers, modifier A and modifying agent B effect are introduced in glue composite system, in lignin and ethylene-propylene-diene monomer
The energy that non-covalent bond connection is built between the boundary of glue sacrifices key effect.The energy of this non-covalent bond connection is sacrificed key and made
With lignin can not only be promoted scattered in rubber matrix, the interface compatibility of lignin and rubber matrix is improved, moreover it is possible to
It is broken under external force effect prior to covalent bond, and repeatedly can be broken and reconstruct, so as to consume outside mechanical energy in large quantities, is entered
One step improves the intensity and toughness of composite, and overcome causes composite wood because of lignin and ethylene propylene diene rubber poor compatibility
The problem of expecting poor mechanical property.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Material used can obtain from commercial channel in the following example.
The present invention strengthens rubber using industrial lignin as raw material, and wide material sources are renewable, and cost is low.
The present invention is by reactive compatibilizers, the effect of modifying agent, the structure between lignin and ethylene propylene diene rubber boundary
The energy for building non-covalent bond connection sacrifices key effect, and it is scattered in rubber matrix to promote lignin, improve lignin with
The interface compatibility of rubber matrix, and the energy of non-covalent bond connection is sacrificed key and can also sent out under external force prior to covalent bond
Raw fracture, and repeatedly can be broken and reconstruct, so as to consume outside mechanical energy, prepared lignin/EPDM in large quantities
Rubber composite has excellent comprehensive mechanical property, and realizing lignin had not only strengthened rubber but also toughness reinforcing, overcame because of wood
Quality and ethylene propylene diene rubber poor compatibility and the problem of cause composite physical property difference.
Embodiment 1
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add 40
The dried enzymolysis xylogen of part, continue mixing 10min dischargings and can obtain thermoplastic lignin/ethylene propylene diene rubber
Composite.
Embodiment 2
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add 40
The dried enzymolysis xylogen of part, continue to be kneaded 10min；Less than 60 DEG C are down in banbury temperature, adds vulcanization
Auxiliary agent (2.5 parts of ZnO, 1 part of stearic acid, 5 parts of cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.),
Continue to be kneaded 10min dischargings；Then by material in two-roll mill normal temperature mill 10min, curing 24 hours；Finally place into flat
Plate vulcanizer, vulcanize 10 minutes under conditions of 170 DEG C, 15MPa, you can obtain heat cured lignin/ethylene propylene diene rubber
Composite.
Embodiment 3
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 1 portion of horse are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 1 part of 3- amino-1,2,4-triazole (ATA), it is kneaded 5min；Add 10
The dried enzymolysis xylogen of part, continue mixing 5min dischargings and can obtain thermoplastic lignin/ethylene propylene diene rubber
Composite.
Embodiment 4
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 5 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add 40
The dried enzymolysis xylogen of part, continue mixing 10min dischargings and can obtain thermoplastic lignin/ethylene propylene diene rubber
Composite.
Embodiment 5
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 30 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 15 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 20min；Add
100 parts of dried enzymolysis xylogens, 10 parts of ZnCl2, continue be kneaded 20min discharging can obtain it is thermoplastic wooden
Element/ternary ethlene propyene rubbercompound material.
Embodiment 6
Mass parts meter, under the conditions of 25 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add 40
Part dried alkali lignin, continuing to be kneaded 10min dischargings, to can obtain thermoplastic lignin/ethylene propylene diene rubber multiple
Condensation material.
Embodiment 7
Mass parts meter, under the conditions of 40 DEG C, 100 parts of dried EPDM, 20 parts of rings are sequentially added into banbury
End hydroxy butadiene EHTPB, 5 parts of 4- (2- ethylamino-s) benzene -1,2- diphenol (dopamine) are aoxidized, are kneaded 10min；Add 40
The dried alkali lignin of part, 2 parts of ZnCl2, continue mixing 10min dischargings and can obtain thermoplastic lignin/ternary
EP rubbers composite.
Embodiment 8
Mass parts meter, under the conditions of 60 DEG C, 100 parts of dried EPDM, 5 parts of epoxies are sequentially added into banbury
Change end hydroxy butadiene EHTPB, 5 parts of 1,3,5-triazines -2,4,6- triamines (melamine), be kneaded 10min；Add 40 parts
Dried alkali lignin, 2 parts of FeCl3, continue to be kneaded 10min dischargings that to can obtain lignin/ethylene propylene diene rubber multiple
Condensation material.
Embodiment 9
Mass parts meter, under the conditions of 80 DEG C, 100 parts of dried EPDM, 5 parts of epoxies are sequentially added into banbury
Change end hydroxy butadiene EHTPB, 5 parts of tannic acids, be kneaded 10min；Add 40 parts of dried alkali lignins, 5 part third
Olefin(e) acid zinc, continue mixing 10min dischargings and can obtain thermoplastic lignin/ternary ethlene propyene rubbercompound material.
Embodiment 10
Mass parts meter, under the conditions of 80 DEG C, 100 parts of dried EPDM, 10 portions of horses are sequentially added into banbury
Maleic anhydride grafted polyisoprene, 5 parts of 2- amino -3- imidazole radicals propionic acid (histidine), it is kneaded 15min；Add 40 parts of dryings
Treated alkali lignin, 2 parts of CaCl2, continue mixing 10min dischargings and can obtain thermoplastic lignin/ethylene-propylene-diene monomer
Glue composite.
Embodiment 11
Mass parts meter, under the conditions of 150 DEG C, 100 parts of dried EPDM, 10 portions of horses are sequentially added into banbury
Maleic anhydride grafted polypropylene (PP-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add at 40 parts of dryings
Alkali lignin, the 2 parts of ZnCl managed2, continue mixing 10min dischargings and can obtain thermoplastic lignin/ethylene propylene diene rubber
Composite.
Embodiment 12
Under the conditions of 180 DEG C, 100 parts of dried EPDM are sequentially added into banbury, 20 parts of maleic anhydrides connect
Branch polypropylene (PP-MA), 5 parts of tannic acids, it is kneaded 15min；Add 40 parts of dried organic solvent lignin, 5 parts
CuCl2, continue mixing 10min dischargings and can obtain thermoplastic lignin/ternary ethlene propyene rubbercompound material.
Embodiment 13
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add 60
The dried enzymolysis xylogen of part, continue to be kneaded 10min；Less than 60 DEG C are down in banbury temperature, adds vulcanization
Auxiliary agent (2.5 parts of ZnO, 1 part of stearic acid, 5 parts of cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.),
Continue to be kneaded 15min dischargings；Then by material in two-roll mill normal temperature mill 10min, curing 24 hours；Finally place into flat
Plate vulcanizer, vulcanize 20 minutes under conditions of 170 DEG C, 15MPa, you can obtain heat cured lignin/ethylene propylene diene rubber
Composite.
Embodiment 14
Mass parts meter, under the conditions of 80 DEG C, 100 parts of dried EPDM, 30 portions of horses are sequentially added into banbury
Maleic anhydride grafted polyisoprene, 5 parts of 2- amino -3- imidazole radicals propionic acid (histidine), it is kneaded 10min；Add 80 parts of dryings
Treated enzymolysis xylogen, continue to be kneaded 10min；Less than 60 DEG C are down in banbury temperature, adds vulcanization auxiliary agent
(2.5 parts of ZnO, 1 part of stearic acid, 5 parts of cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.), continues
It is kneaded 20min dischargings；Then by material in two-roll mill normal temperature mill 10min, curing 24 hours；Finally place into flat board sulphur
Change machine, vulcanize 40 minutes under conditions of 170 DEG C, 15MPa, you can it is compound to obtain heat cured lignin/ethylene propylene diene rubber
Material.
Embodiment 15
Mass parts meter, under the conditions of 150 DEG C, 100 parts of dried EPDM, 10 portions of horses are sequentially added into banbury
Maleic anhydride grafted polypropylene (PP-MA), 5 parts of 3- amino-1,2,4-triazoles (ATA), it is kneaded 10min；Add at 20 parts of dryings
Alkali lignin, the 2 parts of ZnCl managed2, continue to be kneaded 10min；Less than 60 DEG C are down in banbury temperature, vulcanization is added and helps
Agent (2.5 parts of ZnO, 1 part of stearic acid, 5 parts of cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.), after
It is continuous to be kneaded 5min dischargings；Then by material in two-roll mill normal temperature mill 10min, curing 24 hours；Finally place into flat board
Vulcanizer, vulcanize 40 minutes under conditions of 180 DEG C, 15MPa, you can it is multiple to obtain heat cured lignin/ethylene propylene diene rubber
Condensation material.
Embodiment 16
Mass parts meter, under the conditions of 80 DEG C, 100 parts of dried EPDM, 5 parts of epoxies are sequentially added into banbury
Change end hydroxy butadiene EHTPB, 5 parts of tannic acids, be kneaded 10min；Add 40 parts of dried organic solvent lignin,
5 parts of zinc acrylate resins, continue to be kneaded 10min；Be down to less than 60 DEG C in banbury temperature, add vulcanization auxiliary agent (2.5 parts of ZnO,
1 part of stearic acid, 5 parts of cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.), continue to be kneaded 10min and
Material；Then by material in two-roll mill normal temperature mill 10min, curing 24 hours；Vulcanizing press is finally placed into, 180
DEG C, vulcanize 20 minutes under conditions of 15MPa, you can obtain heat cured lignin/ternary ethlene propyene rubbercompound material.
Comparative example
Comparative example 1
Mass parts meter, under the conditions of 100 DEG C, sequentially added into banbury 100 parts of dried EPDM, 40 parts it is dry
Dry treated enzymolysis xylogen, it is kneaded 20min dischargings.
Comparative example 2
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), it is kneaded 10min；40 parts of dried enzymolysis xylogens are added,
Continue to be kneaded 10min dischargings.
Comparative example 3
Mass parts meter, under the conditions of 100 DEG C, 100 parts of dried EPDM, 20 portions of horses are sequentially added into banbury
Maleic anhydride grafted POE (POE-MA), it is kneaded 10min；40 parts of dried enzymolysis xylogens are added,
Continue to be kneaded 10min；Less than 60 DEG C are down in banbury temperature, adds vulcanization auxiliary agent (2.5 parts of ZnO, 1 part of stearic acid, 5
Part cumyl peroxide DCP, 1 part of iso-cyanuric acid triallyl ester TAIC etc.), continue to be kneaded 10min dischargings；Then by thing
Material is in two-roll mill normal temperature mill 10min, curing 24 hours；Vulcanizing press is finally placed into, in 170 DEG C, 15MPa bar
Vulcanize 10 minutes under part, obtain heat cured lignin/ethylene propylene diene rubber control sample.
Embodiment product is made to the batten for meeting GBT 1040-2006 standards, is tested and stretched using MTS universal testing machines
The mechanical performance datas such as intensity, break-draw rate, the results are shown in Table 1.
The extension test result of the sample of table 1
Table 1 is the tension test test result of composite obtained by section Example.As seen from Table 1, relative to contrast
The sample that reactive compatibilizers are not added with modifying agent, embodiment are only with the addition of in the sample and comparative example 2 that are directly blended in example 1
After reactive compatibilizers and modifying agent are with the addition of in 1, the tensile strength of composite significantly increases, and particularly 600% stretches by force surely
Amplification is spent up to 130%, and the tension failure of composite absorbs and can be also significantly increased, amplification nearly 50%.After vulcanization
Thermosetting lignin/ternary ethlene propyene rubbercompound material, by the drafting results of embodiment 2 and comparative example 3 contrast, add
Add its tensile strength of same with thermosetting compound material after reactive compatibilizers and modifying agent and absorption at break can (toughness) also obvious increasing
Greatly.Embodiment 4 and the tensile strength and absorption at break of the gained sample of embodiment 5 energy (toughness) are all significantly increased than comparative example.
Embodiment result shows, by introducing the effect of appropriate reactive compatibilizers and modifying agent, in lignin and ethylene-propylene-diene monomer
The energy that non-covalent bond connection is built in glue composite system sacrifices key effect, and effective enhancing can be played to composite
And toughening effect.
The raw material and blending technology used due to other embodiments has similar feature with the embodiment in table 1, after tested,
The performance of composite obtained by other embodiments has similar feature with the above results, therefore does not repeat one by one.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of lignin/ternary ethlene propyene rubbercompound material, it is characterised in that obtained by the component reaction including following mass parts
Arrive：
2. lignin/ternary ethlene propyene rubbercompound material according to claim 1, it is characterised in that：Described lignin
For the alkali lignin obtained by soda pulping process in paper industry, or the enzymolysis xylogen of lignocellulose for fermentation ethanol extraction,
Or the one or more in the organic solvent lignin that is extracted from lignocellulosic of organic solvent method.
3. lignin/ternary ethlene propyene rubbercompound material according to claim 1, it is characterised in that：Described reactivity
Compatilizer be epoxidation end hydroxy butadiene, maleic anhydride grafted ethene/octene copolymer, maleic anhydride inoculated polypropylene and
At least one of maleic anhydride grafting polyisoprene.
4. lignin/ternary ethlene propyene rubbercompound material according to claim 1, it is characterised in that：The modifier A is
The triazole of 3- amino -1,2,4,4- (2- ethylamino-s) benzene -1,2- diphenol, 2- amino -3- imidazole radicals propionic acid, 1,3,5- triazine -2,4,
At least one of 6- triamines and tannic acid.
5. lignin/ternary ethlene propyene rubbercompound material according to claim 1, it is characterised in that：The modifying agent B is
ZnCl2、CaCl2、FeCl3、CuCl2At least one of with zinc acrylate resin.
6. a kind of preparation method of lignin/ternary ethlene propyene rubbercompound material described in any one of Claims 1 to 5, it is special
Sign is to comprise the following steps：Under heating condition, ethylene propylene diene rubber, reactive compatibilizers, modifying agent are added into banbury
A, it is kneaded 5~20 minutes；Add lignin and modifying agent B, continue mixing 5~20 minutes, you can obtain thermoplastic lignin/
Ternary ethlene propyene rubbercompound material.
7. the preparation method of lignin/ternary ethlene propyene rubbercompound material according to claim 6, it is characterised in that：Institute
Heating condition is stated as 25~180 DEG C.
8. the preparation method of lignin/ternary ethlene propyene rubbercompound material according to claim 6, it is characterised in that：Institute
Heating condition is stated as 40~150 DEG C.
9. the preparation method of lignin/ternary ethlene propyene rubbercompound material according to claim 6, it is characterised in that：Enter
One step obtains heat cured lignin/ternary ethlene propyene rubbercompound material by vulcanizing.
10. the preparation method of lignin/ternary ethlene propyene rubbercompound material according to claim 9, it is characterised in that enter
One step by system temperature after the mixing by being down to less than 60 DEG C, and addition vulcanization aid, mixing discharges for 5~20 minutes, tabletting,
Cure, after vulcanizing in vulcanizer, obtain heat cured lignin/ternary ethlene propyene rubbercompound material.
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| CN110791029B (en) * | 2019-11-14 | 2020-10-27 | 华南理工大学 | Lignin grafted brominated butyl rubber composite material and preparation method thereof |
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| CN113583254A (en) * | 2021-07-28 | 2021-11-02 | 南京工业大学 | Cross-linkable lignin, preparation method thereof and application thereof in rubber composite material |
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| CN114058191A (en) * | 2021-11-06 | 2022-02-18 | 宁波艾克姆新材料股份有限公司 | Environment-friendly antioxidant master batch, preparation method thereof and rubber product |
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