CN105037865B - A kind of modified waste rubber powder and preparation method and application - Google Patents
A kind of modified waste rubber powder and preparation method and application Download PDFInfo
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- CN105037865B CN105037865B CN201510514544.4A CN201510514544A CN105037865B CN 105037865 B CN105037865 B CN 105037865B CN 201510514544 A CN201510514544 A CN 201510514544A CN 105037865 B CN105037865 B CN 105037865B
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention belongs to the field of high polymer material, a kind of modified waste rubber powder and preparation method and application is disclosed.The modified waste rubber powder is prepared from by activated rubber powder with modifying agent；Wherein activated rubber powder is prepared by the shoddy of 100 parts by weight and the peptizer of 0.1~5 parts by weight；Modifying agent is prepared by the epoxy natural rubber of 100 parts by weight and the coupling agent of 0.5~20 parts by weight.The modified waste rubber powder surface-active enhancing of the present invention, is modified, the compatibility of modified waste rubber powder and non-polar and polar rubber matrix and thermosetting resin matrix is all significantly improved by mechanochemical method and modifying agent substep to vulcanized rubber powder；The binding ability of shoddy and polymer is enhanced, the performance of modified waste rubber powder and composite is improved；The use of shoddy has been widened, cost is reduced.
Description
Technical field
The invention belongs to the field of high polymer material, and in particular to a kind of modified waste rubber powder and preparation method and application.
Background technology
China is the first big rubber-consumer state in the world, while being rubber sources deficient country relatively, nearly 80% again
Natural rubber and 40% synthetic rubber depend on import, wherein the importation dependence of natural rubber be higher than oil, iron ore
With grain etc., rank first place, and the consumption of tire account for more than the 70% of rubber total amount.With natural rubber and synthetic rubber
Price rises steadily, and makes full use of waste tire for alleviating the serious deficient pressure of China's rubber sources, reduces environmental pollution,
Production cost is reduced to have great importance.
At present, the comprehensive utilization of waste old can be divided into two processes of product remanufacturing and resource regeneration.Wherein
Tyre rebuilding, the original shape transformation of the way, which belong to, to be remanufactured, and reclaimed rubber, rubber powder, heat energy utilization belong to recycling.The domestic profit in waste rubber
It is main based on reclaimed rubber at this stage in, account for the 71% of total amount.But reclaimed rubber can produce in process of production it is serious
Waste gas, causes environmental pollution, and its labor intensity is big, production procedure length, energy resource consumption are big, the low shortcoming of profit, does not meet section
The new demand of energy environmental protection.Compared to reclaimed rubber, the comparision of production environmental protection of rubber powder can be made with high added value and can circulate
The novel product utilized, its application prospect is very wide.
Powdered elastomeric material obtained from the size-reduced working process of waste rubber goodses is referred to as rubber powder.Live on the surface of rubber powder
Property it is low, when adding in matrix material, its interaction force with matrix material is weaker, causes the hydraulic performance decline of material, therefore
Need to be modified it when in use.The main method of modifying of shoddy has mechanical-chemical modification, polymerization both at home and abroad at present
Thing is coating modified, regenerative sulfur binding is modified, grafting or the method such as interpenetrating polymer networks modifications, hybrid inorganic-organic, and it is being built
Using more in material and pavement material.Wherein mechanical force and chemical and polymer coating layer modification change due to shoddy surface inertness
Property effect it is limited, and other method of modifying are because process is complicated, the problems such as need to add monomer or solvent, environment is polluted
Promoting the use of industrially is restricted.
The content of the invention
In order to overcome shortcoming and defect in the prior art, primary and foremost purpose of the invention is to provide a kind of modified waste rubber powder.
The present invention improves the compatibility of shoddy and polymer by the modification to shoddy, particularly with the material such as rubber, resin
Compatibility, enhance the binding ability of shoddy and polymer, improve the performance of modified waste rubber powder and composite.
Another object of the present invention is to provide the preparation method of above-mentioned modified waste rubber powder.
It is still another object of the present invention to provide the application of above-mentioned modified waste rubber powder.
The purpose of the present invention is achieved through the following technical solutions：
A kind of modified waste rubber powder, is prepared from by activated rubber powder with modifying agent：Wherein activated rubber powder is by the useless of 100 parts by weight
Rubber powder and the peptizer of 0.1~5 parts by weight are prepared；Modifying agent is by the epoxy natural rubber of 100 parts by weight and 0.5~20
The coupling agent of parts by weight is prepared.
The weight ratio of the activated rubber powder and modifying agent is 100：(1~20).
The peptizer is aromatic mercaptans derivative, diaryl disulfide, accelerator type peptizer or triggers formulation
One or more of accelerator；
The aromatic mercaptans derivative is xylenethiol, pentachlorothiophenol, 4- tert-butyl os thiocresol, pentachlorobenzene
One or more of thiophenol zinc salt or zinc 2 benzamidothiaphenate salt；
The diaryl disulfide is xylyl disulphide, 2,2'- dibenzamides diphenyl disulfide, many
One or more of alkylaromatic hydrocarbon disulphide or polyalkylbenzene phenol disulphide；
The accelerator type peptizer is 2- benzothiazolyl mercaptans (captax), 2,2'- dithio-bis-benzothiazoles
(altax), PZ (accelerator PZ), zinc diethyl dithiocarbamate (accelerator
ZDC), in zinc dibutyl dithiocarbamate (accelerant B Z), zinc-ethylphenyl dithiocarbamate (accelerator PX)
More than one；
The initiation formulation accelerator type peptizer is one or more of benzoyl peroxide or azodiisobutyronitrile.
The coupling agent is the coupling agent of amino-contained；The coupling agent is APTES (coupling agent
KH550), 3- TSL 8330s (coupling agent KH540), N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxy
Silane (coupling agent KH602), N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane (coupling agent KH900), γ-aminopropyl
One in methyldiethoxysilane (coupling agent Si-902) or γ-divinyl triammonium base propyl-triethoxysilicane (B-201)
More than kind.
The shoddy is the damaged tire tyre surface based on one or more of natural rubber, butadiene rubber or butadiene-styrene rubber
Rubber powder.
The epoxy natural rubber is produced by Huanan Tropical Crops Prods. processing Design Inst., epoxy content be 20~
50。
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) peptizer of 0.1~5 parts by weight is added in the shoddy of 100 parts by weight, plasticate 2 in room temperature~180 DEG C~
20min, obtains activated rubber powder；
(2) it is the epoxy natural rubber of 100 parts by weight and the coupling agent of 0.5~20 parts by weight is mixed in room temperature~150 DEG C
2~15min is closed, modifying agent is obtained；
(3) modifying agent that the activated rubber powder for obtaining (1) is obtained with (2) is by weight 100:(1~20) is in room temperature~150
DEG C mixing 2~15min, be cooled to normal temperature, obtain modified waste rubber powder.
The application of the modified waste rubber powder in the polymer.
The polymer is base rubber or matrix resin.
Described matrix rubber is polar rubber or non-polar rubber；The polar rubber is nitrile rubber, epoxidation is natural
Glue, neoprene or carboxylic styrene-butadiene rubber；The non-polar rubber is natural rubber, butadiene-styrene rubber or butadiene rubber.
Described matrix resin is thermosetting resin, and the thermosetting resin is epoxy resin, phenolic resin or unsaturated tree
Fat.
Low, the characteristics of being combined weaker with matrix material for vulcanized rubber powder activity, the present invention passes through mechanical force and chemical first
Modeling solution effect obtains activated rubber powder, improves the content of vulcanized rubber powder active group, and the epoxy rubber for recycling coupling agent modification is
Modifying agent is modified to activated rubber powder, and chemical bond is carried out by one end of coupling agent and the hydroxyl isoreactivity group of vulcanized rubber powder
Cooperation is used, and the amino of the coupling agent other end and the epoxide group of epoxidezed rubber chemically react, so as to pass through rubber powder and ring
The combination of oxidized rubber is modified to rubber powder, and then further work in-process utilizes the epoxidation being well combined with rubber powder
The co-crosslinking enhancing rubber powder and the binding ability of polymer of natural rubber and rubber or resin matrix, so as to greatly improve polymerization
The physical and mechanical properties of thing/rubber powder composite.
Compared with prior art, the invention has the advantages that and beneficial effect：
(1) obtained modified glue powder is modified to vulcanized rubber powder by mechanochemical method and modifying agent substep, it is and non-
Polarity and the compatibility of polar rubber matrix and thermosetting resin matrix are all significantly improved；
(2) modified glue powder can be blended with arbitrary proportion and rubber matrix or thermosetting resin matrix, the composite of preparation
Function admirable, widened the use scope of rubber powder；
(3) relatively other surface modifying methods, the laboratory apparatus that the method need not be complicated, can be in general polymer
Process equipment realizes the modification of rubber powder, simplifies technique and equipment that rubber powder is utilized, reduces production cost；
(4) modified glue powder can carry out reinforcement with reinforcing agents such as alternative carbon blacks to rubber substrate, can also be to thermosetting resin
Matrix carries out toughness reinforcing, not only shoddy is recycled, turns waste into wealth, and also is keeping being even more than original material property
Under the premise of reduce material cost.
Brief description of the drawings
Fig. 1 schemes for the SEM of unmodified shoddy；
Fig. 2 is the SEM figures of modified waste rubber powder prepared by embodiment 1.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment 1
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) by the shoddy of 100 mass parts and the peptizer 2,2 ' of 1 mass parts-dibenzoyl amido Diphenyl disulfide
Thing obtains activated rubber powder in 180 DEG C of 2min that plasticate；
(2) by 10 mass parts coupling agent KH900 and 100 mass parts epoxy natural rubbers (epoxy content is 20) in 100 DEG C
5min is mixed, modifying agent is obtained；
(3) 10 mass parts modifying agent are added in 100 mass parts activated rubber powders, 5min is mixed in 120 DEG C, after cooling,
Obtain modified waste rubber powder.The structural characterization of the modified waste rubber powder is as shown in Figure 2.Unmodified shoddy structural characterization such as Fig. 1
It is shown.
Shoddy is can be seen that from Fig. 1, Fig. 2 after modified, and vulcanized rubber powder is more coarse, surface attachments showed increased,
Be conducive to improving the combination of rubber powder and rubber matrix.
Embodiment 2 (modified glue powder vulcanizate and unmodified rubber powder vulcanizate)
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) shoddy of 100 mass parts and the peptizer pentachlorothiophenol of 0.1 mass parts are plasticated 20min in room temperature, obtained
To activated rubber powder；
(2) it is 8 mass parts coupling agent KH550 and 100 mass parts epoxy natural rubbers (epoxy content is 40) are mixed in 80 DEG C
10min is closed, modifying agent is obtained；
(3) 12 mass parts modifying agent are added in 100 mass parts activated rubber powders, 15min is mixed at room temperature, is modified
Shoddy.
The preparation of rubber powder vulcanizate：
Phase is separately added into 100 part by weight modified shoddies and as a comparison in the unmodified shoddy of 100 parts by weight of sample
Compounding ingredient together (parts by weight of zinc oxide 4, the parts by weight of stearic acid 2, the parts by weight of accelerant CZ 1.5, the parts by weight of altax 0.5,
The parts by weight of sulphur 2), 15min is kneaded in 50 DEG C, vulcanizes tabletting by sulfurizing time T90 then at 150 DEG C, obtains the sulphur of pure rubber powder
Change vulcanizate and unmodified shoddy vulcanizate that glue is modified waste rubber powder.
The tensile strength of vulcanizate is determined according to standard GB/T/T 528-2009 and GB/T 529-2008 and is torn strong
Degree.Test result is shown in Table 1.As can be seen from the table, compared with unmodified rubber powder vulcanizate, the mechanical property of modified glue powder vulcanizate
It can significantly improve, tensile strength improves nearly 63%, and the vulcanizate crosslink density of modified glue powder is significantly increased.
The mechanical property and crosslink density of the vulcanizate of the unmodified shoddy of table 1 and the vulcanizate of modified waste rubber powder
| Sample | Tensile strength/MPa | Tearing strength/KNm-1 | Crosslink density/molcm-3·10-4 |
| The vulcanizate of unmodified shoddy | 4.3 | 20.1 | 0.19 |
| The vulcanizate of modified waste rubber powder | 7.0 | 28.1 | 0.23 |
Embodiment 3 (NR/ modified waste rubber powders composite)
A kind of application of modified waste rubber powder is the preparation of rubber/rubber powder composite：
By conventional rubber compounding, taken to 100 parts by weight and compounding ingredient (parts by weight of zinc oxide 4, tristearin are added in natural rubber
Sour 2 parts by weight, the parts by weight of accelerant CZ 1.5, the parts by weight of altax 0.5, the parts by weight of sulphur 2), it is then respectively adding 20
Modified waste rubber powder prepared by the unmodified shoddy of parts by weight and the embodiment 2 of 10~30 parts by weight, 5min is kneaded in 130 DEG C,
Vulcanize tabletting by sulfurizing time T90 then at 150 DEG C, obtain NR/ modified waste rubber powders composite and the unmodified shoddies of NR/ are multiple
Condensation material.Gained vulcanization glue material is the performance of NR/ modified waste rubber powders composite and the unmodified scrap rubber powder composite materials of NR/
Test result is as shown in table 2.
From table 2, add after unmodified shoddy, the physical and mechanical properties of material has declined, illustrate shoddy and
The compatibility of rubber matrix is poor.And add 300% stretching strength of material after modified waste rubber powder, elongation at break, hardness and
Tearing strength is improved, and modified waste rubber powder consumption increases to 30 parts by weight, 300% stretching strength of material, stretching from 10 parts by weight
Intensity and wearability are declined slightly, but tearing strength increase.It is useless with natural rubber/unmodified when adding 20 parts by weight shoddy
Rubber powder is compared, and the mechanical property such as tensile strength and tearing strength of natural rubber/modified waste rubber powder composite is remarkably reinforced, resistance to
Mill property is improved, and illustrates that the modification of shoddy can effectively improve the interface cohesion of shoddy and rubber, improves the every physical machine of material
Tool performance.
The physical and mechanical properties of each vulcanizate of table 2
Embodiment 4 (SBR/ modified waste rubber powders composite)
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) the peptizer dibenzoyl peroxide of the shoddy of 100 parts by weight and 2 parts by weight is plasticated in 120 DEG C
10min, obtains activated rubber powder；
(2) by 1 parts by weight coupling agent KH602 and 100 parts by weight epoxy natural rubbers (epoxy content is 50), 150 DEG C are mixed
2min is closed, modifying agent is obtained；
(3) 20 part by weight modified doses are added in 100 parts by weight activated rubber powders, mixes 2min in 150 DEG C, after cooling, obtain
To modified waste rubber powder.
The application of the modified waste rubber powder is the preparation of rubber/rubber powder composite：
By conventional rubber compounding, compounding ingredient (parts by weight of zinc oxide 4, stearic acid are added into the parts by weight of butadiene-styrene rubber 100
2 parts by weight, the parts by weight of CZ 1.5, the parts by weight of DM 0.5, the parts by weight of carbon black 45, the parts by weight of sulphur 2), it is then respectively adding 20 weights
Modified waste rubber powder prepared by the unmodified shoddy of part and 20 parts by weight of example 4 is measured, 15min is kneaded in 50 DEG C, is pressed then at 150 DEG C
Sulfurizing time T90 vulcanizes tabletting, obtains the unmodified scrap rubber powder composite materials of SBR/ and SBR/ modified waste rubber powder composites.
Gained vulcanizate is the performance test such as table 3 of the unmodified scrap rubber powder composite materials of SBR/ and SBR/ modified waste rubber powder composites
It is shown.From table 3, when the unmodified rubber powder of 20 parts by weight is added in SBR, the physical machine such as tensile strength, tearing strength of material
Tool hydraulic performance decline, during 20 parts of modified glue powders of addition, the mechanical property enhancing of SBR/ modified glue powder composites does not add even more than
The blank sample of rubber powder, illustrates that the interface cohesion of rubber powder and SBR matrixes can be strengthened after rubber powder modified, improves the Physical Mechanical of material
Can, its modified effect is notable.
The physical and mechanical properties of table 3SBR/ modified glue powders
Embodiment 5 (NBR/ modified waste rubber powders composite)
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) shoddy of 100 parts by weight and the zinc diethyl dithiocarbamate of 5 parts by weight are plasticated in 80 DEG C
8min, obtains activated rubber powder,
(2) by 10 parts by weight coupling agent Si-902,10 parts by weight coupling agent B-201 and the natural rubber of 100 parts by weight epoxyization
Glue (epoxy content is 20) mixes 15min at room temperature, obtains modifying agent,
(3) 2 part by weight modified doses are added in 100 parts by weight activated rubber powders, mixes 8min in 100 DEG C, after cooling, obtain
Modified waste rubber powder.
The application of the modified waste rubber powder is the preparation of rubber/rubber powder composite：
By conventional rubber compounding, compounding ingredient (parts by weight of zinc oxide 4, stearic acid are added into 100 parts by weight nitrile rubbers
2 parts by weight, the parts by weight of accelerant CZ 1.5, the parts by weight of altax 0.5, the parts by weight of carbon black 45, the parts by weight of sulphur 2), then
Modified waste rubber powder prepared by the unmodified shoddy of 10 parts by weight and 10 parts by weight of example 5 is separately added into, in 50 DEG C of mixings
20min, vulcanizes tabletting by sulfurizing time T90 then at 150 DEG C, obtains the unmodified scrap rubber powder composite materials of NBR/ and NBR/ changes
Property scrap rubber powder composite material.Gained vulcanizate is the unmodified scrap rubber powder composite materials of NBR/ and NBR/ modified waste rubber powder composites
The performance test results it is as shown in table 4.From table 4, when the unmodified rubber powder of 10 parts by weight is added in NBR, due to rubber powder and base
The compatibility of body is poor, and the physical and mechanical properties such as tensile strength, tearing strength of material declines, during 10 parts of modified glue powders of addition,
The epoxidation group for the polarity that modifying process is introduced in rubber powder can effectively improve its interface binding power with NBR matrixes, so that
Make the mechanical property of NBR/ modified waste rubber powder composites strengthens more before modified, illustrates the addition of modified glue powder and can effectively improve
Material property, and advantageously reduce material cost.
The physical and mechanical properties of each vulcanizate of table 4
Embodiment 6 (epoxy resin/modified waste rubber powder composite)
A kind of preparation method of modified waste rubber powder, specifically includes following steps：
(1) by the shoddy of 100 parts by weight and the captax and 0.2 parts by weight endor of 1 parts by weight in
100 DEG C of 12min that plasticate, obtain activated rubber powder；
(2) by 15 parts by weight coupling agent KH540 and 100 parts by weight epoxy natural rubbers (epoxy content is 30) in 60 DEG C
12min is mixed, modifying agent is obtained；
(3) 8 part by weight modified doses are added in 100 parts by weight activated rubber powders, mixes 8min in 80 DEG C, after cooling, obtain
Modified waste rubber powder.
The application of the modified waste rubber powder is the preparation of resin/rubber powder composite：
The curing agent ethylene diamine of 10 parts by weight is added into 100 parts by weight epoxy resin E44, and is separately added into 10 weight
Modified waste rubber powder prepared by the unmodified shoddy of part and 10 parts by weight of example 6, solidifies 24 hours, obtains epoxy at room temperature
Resin/unmodified scrap rubber powder composite material and epoxy resin/modified waste rubber powder composite.Gained solidfied material be epoxy resin/
The performance test results of unmodified scrap rubber powder composite material and epoxy resin/modified waste rubber powder composite are as shown in table 5.By table
5 is visible, when the unmodified rubber powder of 10 parts by weight is added in epoxy resin E44, because the compatibility of rubber powder and matrix is poor, material
Impact strength is basically unchanged, and when adding 10 part by weight modified rubber powder, the epoxidation for the polarity that modifying process is introduced in rubber powder
Group can effectively improve its interface binding power with epoxy resin-base, so that epoxy resin/modified glue powder composite
Impact strength is improved, and toughness of material performance can be effectively improved by illustrating the addition of modified glue powder, and advantageously reduce material cost.
The physical and mechanical properties of the solidfied material of table 5
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Embodiment restriction.For those of ordinary skill in the field, it can also make on the basis of the above description
Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
Any modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included in the protection of the claims in the present invention
Within the scope of.
Claims (5)
1. a kind of modified waste rubber powder, it is characterised in that：It is prepared from by activated rubber powder with modifying agent；Wherein activated rubber powder is by 100
The shoddy of parts by weight and the peptizer of 0.1~5 parts by weight are prepared；Modifying agent by 100 parts by weight the natural rubber of epoxidation
Glue and the coupling agent of 0.5~20 parts by weight are prepared；
The peptizer is aromatic mercaptans derivative, diaryl disulfide, accelerator type peptizer or triggers formulation to promote
One or more of agent；The coupling agent is the coupling agent of amino-contained；
The shoddy is the damaged tire tread rubber based on one or more of natural rubber, butadiene rubber or butadiene-styrene rubber
Powder；
The preparation method of the modified waste rubber powder, specifically includes following steps：
(1) peptizer of 0.1~5 parts by weight is added in the shoddy of 100 parts by weight, 2 are plasticated in room temperature~180 DEG C~
20min, obtains activated rubber powder；
(2) epoxy natural rubber of 100 parts by weight and the coupling agent of 0.5~20 parts by weight are mixed 2 in room temperature~150 DEG C~
15min, obtains modifying agent；
(3) modifying agent that the activated rubber powder for obtaining (1) is obtained with (2) is by weight 100:(1~20) is mixed in room temperature~150 DEG C
2~15min is closed, normal temperature is cooled to, obtains modified waste rubber powder.
2. modified waste rubber powder according to claim 1, it is characterised in that：The weight ratio of the activated rubber powder and modifying agent is
100：(1~20).
3. modified waste rubber powder according to claim 1, it is characterised in that：The aromatic mercaptans derivative is ditolyl sulfide
In phenol, pentachlorothiophenol, 4- tert-butyl os thiocresol, endor or zinc 2 benzamidothiaphenate salt it is a kind of with
On；
The diaryl disulfide is xylyl disulphide, 2,2'- dibenzamides diphenyl disulfide, many alkyl
One or more of aromatic hydrocarbons disulphide or polyalkylbenzene phenol disulphide；
The accelerator type peptizer is 2- benzothiazolyl mercaptans, 2,2'- dithio-bis-benzothiazoles, DMDS for ammonia
Base zinc formate, zinc diethyl dithiocarbamate, zinc dibutyl dithiocarbamate, ethylphenyl dithiocarbamate
One or more of zinc；
The initiation formulation accelerator type peptizer is one or more of benzoyl peroxide or azodiisobutyronitrile；
The coupling agent be APTES, 3- TSL 8330s, N- β-(aminoethyl)-
γ-aminopropyltriethoxy dimethoxysilane, N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane, γ-aminopropyltriethoxy two
One or more of Ethoxysilane or γ-divinyl triammonium base propyl-triethoxysilicane.
4. modified waste rubber powder according to claim 1, it is characterised in that：The epoxy content of the epoxy natural rubber be 20~
50。
5. according to the application of any one of Claims 1 to 4 modified waste rubber powder in the polymer, it is characterised in that：It is described poly-
Compound is base rubber or matrix resin；Described matrix rubber is polar rubber or non-polar rubber；Described matrix resin is heat
Thermosetting resin；
The polar rubber is nitrile rubber, epoxidation natural gum, neoprene or carboxylic styrene-butadiene rubber；The non-polar rubber is
Natural rubber, butadiene-styrene rubber or butadiene rubber；
The thermosetting resin is epoxy resin, phenolic resin or unsaturated-resin.
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| CN105733087A (en) * | 2016-05-17 | 2016-07-06 | 江南大学 | Rubber composition and preparation method thereof |
| CN107033421A (en) * | 2016-11-23 | 2017-08-11 | 江西广安再生资源有限公司 | Recovered rubber plastic particle |
| CN107268117A (en) * | 2017-06-06 | 2017-10-20 | 安徽圣源橡塑科技有限公司 | Polyamide industrial fiber that a kind of sulfonylation shoddy is modified and preparation method thereof |
| CN110128723B (en) * | 2019-05-29 | 2021-06-22 | 浙江通超工贸有限公司 | Rubber for high-bearing solid tire and preparation method thereof |
| CN110330708A (en) * | 2019-06-12 | 2019-10-15 | 福州大学 | A kind of recyclable regenerative rubber and preparation method thereof |
| CN111607054A (en) * | 2020-06-22 | 2020-09-01 | 北京克林泰尔环保科技有限公司 | Amino modified tire rubber powder/polyurethane composite material and preparation method and application thereof |
| CN111961268A (en) * | 2020-09-04 | 2020-11-20 | 石家庄硕若科技有限公司 | Preparation process of rubber powder with good wear resistance |
| CN112708167B (en) * | 2020-12-25 | 2023-05-12 | 武汉理工大学 | Surface modification method for waste rubber powder |
| CN113480959B (en) * | 2021-07-15 | 2023-05-19 | 武汉理工大学 | Building epoxy adhesive with waste rubber powder as filler and preparation method thereof |
| CN113943124B (en) * | 2021-11-29 | 2022-07-08 | 四川大学 | Waste rubber powder modified acrylic acid waterproof agent, gypsum material and preparation method thereof |
| CN114736529A (en) * | 2022-03-31 | 2022-07-12 | 山东高速路用新材料技术有限公司 | High-content rubber modified asphalt based on activated rubber powder and preparation method and application thereof |
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| CN101343386A (en) * | 2008-08-29 | 2009-01-14 | 华南理工大学 | Preparation method for rubber/keramite nano-tube nano-composite material |
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| 废胶粉的表面处理及在天然橡胶中的应用;丁国新等;《材料科学与工程学报》;20111231;第29卷(第6期);第949-953页 * |
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