CN106633264A - Elastic alloy and preparation method therefor - Google Patents
Elastic alloy and preparation method therefor Download PDFInfo
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- CN106633264A CN106633264A CN201611224133.2A CN201611224133A CN106633264A CN 106633264 A CN106633264 A CN 106633264A CN 201611224133 A CN201611224133 A CN 201611224133A CN 106633264 A CN106633264 A CN 106633264A
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- CN
- China
- Prior art keywords
- rubber powder
- thermoplastic resin
- elastic alloy
- peroxide
- mixed material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
Abstract
The invention relates to an elastic alloy and a preparation method therefor. The elastic alloy comprises rubber powder, thermoplastic resin, a peroxide initiator and an interfacial modifier, wherein the rubber powder accounts for 52wt%-57wt% of the total weight of the elastic alloy, and the thermoplastic resin accounts for 35wt%-41wt% of the total weight of the elastic alloy. The preparation method comprises the steps of (1) crushing a rubber material into rubber powder, and then, screening the rubber powder, and conducting drying; (2) mixing the rubber powder with the thermoplastic resin, the peroxide initiator and the interfacial modifier to form a mixture, wherein the rubber powder accounts for 52wt%-57wt% of the total weight of the mixture and the thermoplastic resin accounts for 35wt%-41wt% of the total weight of the mixture, and then, putting the mixture into an internal mixer or a twin-screw extruder to synthesize the elastic alloy by a reaction; and (3) performing granulating and injection molding to obtain the product.
Description
Technical field
It relates to the recycling of rubber powder, more particularly to elastic alloy and preparation method thereof.
Background technology
Rubber product comes at present the daily life of ordinary people, becomes one of our necessity for life.But with
Industry and the development of modern civilization, the process of discarded rubber product has become a great problem that people face.Particularly
Rubber used by the rubber product of Most current is the rubber through being chemically crosslinked, its internal network structure with crosslinking,
Both insoluble or do not melt, intractability is increased.How economically, effective, environmentally friendly the rubber with cross-linked structure is reclaimed, be all the time complete
The focal issue of social concerns.
The content of the invention
Embodiments of the invention provide a kind of elastic alloy, including rubber powder, thermoplastic resin, peroxide initiator and
Interface modifier, wherein the rubber powder accounts for the 52wt%-57wt% of the elastic alloy gross weight, the thermoplastic resin is accounted for
The 35wt%-41wt% of the elastic alloy gross weight.
In one embodiment of the invention, for example, the rubber powder accounts for the 54wt%- of the elastic alloy gross weight
56wt%, preferably 54.5wt%-55.5wt%；The thermoplastic resin accounts for the 36wt%- of the elastic alloy gross weight
38wt%, preferably 36.5wt%-37.5wt%.
In one embodiment of the invention, for example, the particle size range of the rubber powder is 600 μm -800 μm.
In one embodiment of the invention, for example, the thermoplastic resin is selected from one or more of following substances：
Polyethylene, polypropylene and polybutene.
In one embodiment of the invention, for example, the peroxide initiator selected from following substances one kind or
It is various：The tertiary fourth of hydrogen peroxide, ammonium persulfate, potassium peroxydisulfate, cumyl peroxide, benzoyl peroxide, benzoyl peroxide
Ester, methyl ethyl ketone peroxide, tert-butylperoxy benzoyl, di-tert-butyl peroxide.
In one embodiment of the invention, for example, the interface modifier is selected from one or more of following substances：
Acrylic acid, acrylate, methacrylic acid, methacrylate, styrene, divinylbenzene, acrylonitrile, acrylamide, vinegar
Vinyl acetate.
Embodiments of the invention provide a kind of method for preparing elastic alloy, it is characterised in that methods described includes：
(1) elastomeric material is crushed, obtains rubber powder, the rubber powder is sieved, is dried；
(2) rubber powder and thermoplastic resin, peroxide initiator and interface modifier are mixed to get into mixture
Material, wherein the rubber powder accounts for the 52wt%-57wt% of the mixed material gross weight, the thermoplastic resin accounts for the mixing
The 35wt%-41wt% of material gross weight, puts into the mixed material banbury or double screw extruder is synthesized and obtains
Elastic alloy；
(3) granulation, injection moulding obtains product.
In one embodiment of the invention, for example, in the above-mentioned methods, to account for the mixed material total for the rubber powder
The 54wt%-56wt% of weight, preferably 54.5wt%-55.5wt%；The thermoplastic resin accounts for the mixed material gross weight
The 36wt%-38wt% of amount, preferably 36.5wt%-37.5wt%.
In one embodiment of the invention, for example, in the above-mentioned methods, the particle size range of the rubber powder is 600 μ
m-800μm。
In one embodiment of the invention, for example, in the above-mentioned methods, the thermoplastic resin is selected from following substances
One or more：Polyethylene, polypropylene and polybutene.
In one embodiment of the invention, for example, in the above-mentioned methods, the peroxide initiator is selected from following
One or more of material：Hydrogen peroxide, ammonium persulfate, potassium peroxydisulfate, cumyl peroxide, benzoyl peroxide, peroxide
Change the benzoyl tert-butyl ester, methyl ethyl ketone peroxide, tert-butylperoxy benzoyl, di-tert-butyl peroxide.
In one embodiment of the invention, for example, in the above-mentioned methods, the interface modifier is selected from following substances
One or more：Acrylic acid, acrylate, methacrylic acid, methacrylate, styrene, divinylbenzene, propylene
Nitrile, acrylamide, vinylacetate.
In one embodiment of the invention, for example, in the above-mentioned methods, it is described that the mixed material is put into into banburying
Machine or double screw extruder are synthesized and obtain elastic alloy：It is described that temperature is synthesized for 100 DEG C -180 DEG C, by the mixing
It is 8kg/h-10kg/h that material puts into banbury or the speed of double screw extruder, described that total time is synthesized for 5min-
20min。
In one embodiment of the invention, for example, in the above-mentioned methods, it is described be synthesized during using ladder
Heat up, first rise high-temperature to 120 DEG C, react 3min-5min, 140 DEG C are then warming up in 1min, react 3min-5min, most
It is warming up to 160 DEG C in 1min afterwards, reacts 3min-5min.
In one embodiment of the invention, for example, in the above-mentioned methods, it is described by the rubber powder and thermoplastic resin
Fat, peroxide initiator and interface modifier are mixed to get mixed material to be included：By the rubber powder and the peroxide
In initiator input mixer, then mixing 6min-8min puts into the interface modifier in mixer to uniform, continues
6min-8min is to uniform for mixing, finally the thermoplastic resin is put in mixer, continues to mix 6min-8min to uniform.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be simply situated between below
Continue, it should be apparent that, drawings in the following description merely relate to some embodiments of the present invention, rather than limitation of the present invention.
Fig. 1 is impact of the rubber powder weight/mass percentage composition to elastic alloy elongation at break (elongation at break)；
Fig. 2 is impact of the rubber powder weight/mass percentage composition to elastic alloy tensile strength (tensile strength)；
Fig. 3 is thermoplastic resin weight/mass percentage composition to elastic alloy elongation at break (elongation at break)
Affect；
Fig. 4 is shadow of the thermoplastic resin weight/mass percentage composition to elastic alloy tensile strength (tensile strength)
Ring；
Fig. 5 is impact of the rubber powder particle diameter to elastic alloy elongation at break (elongation at break)；
Fig. 6 is rubber powder particle diameter to the impact to elastic alloy tensile strength (tensile strength).
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below by the embodiment of the present invention
Technical scheme is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, rather than
Whole embodiments.Based on described embodiments of the invention, those of ordinary skill in the art are without the need for creative work
Under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
Unless otherwise defined, the technical term or scientific terminology that the disclosure is used is should be in art of the present invention
The ordinary meaning that personage with general technical ability is understood.
Embodiment 1, the impact of rubber powder weight proportion
Embodying the key parameter of elastic alloy performance has two, and one is elongation at break (elongation at break), and one
It is tensile strength (tensile strength).To study impact of the rubber powder weight proportion to above-mentioned two performance parameter,
On the premise of keeping other conditions constant, change rubber powder weight proportion, obtain rubber powder weight from the contrast of experimental result and match somebody with somebody
The optimum interval of ratio.
Preparation method is：
(1) elastomeric material is crushed, obtains rubber powder, screening carried out to the rubber powder obtain average grain diameter be
750 μm of rubber powder, aeration-drying to moisture content is less than 1%；
(2) rubber powder is changed with thermoplastic resin polypropylene, peroxide initiator benzoyl peroxide and interface
Property agent crylic acid ester mixture obtains mixed material, and the mixed process is：By the rubber powder and the peroxide initiator
In input mixer, 7min is to uniform for mixing, then the interface modifier is put in mixer, continues to mix 7min to equal
It is even, finally the thermoplastic resin is put in mixer, continue to mix 7min to uniform；
Wherein described rubber powder accounts for the percentage of the mixed material gross weight to be changed in the range of 20wt%-80wt%,
The thermoplastic resin accounts for the 98wt% of the mixed material gross weight, peroxide initiator with the rubber powder weight sum
The weight sum of benzoyl peroxide and interface modifier acrylate account for the mixed material gross weight 2wt% (each 1%),
Mixed material input double screw extruder is synthesized and obtains elastic alloy, the condition being synthesized includes：First
High-temperature is risen to 120 DEG C, 5min is reacted, 140 DEG C are then warming up in 1min, react 5min, be finally warming up in 1min
160 DEG C, 3min is reacted, be 10kg/h by the speed that the mixed material puts into double screw extruder；
(3) granulation, injection moulding obtains product.
Product to obtaining carries out performance test, obtains such as Fig. 1,2 result.Wherein Fig. 1 is that rubber powder quality percentage contains
Impact of the amount to elastic alloy elongation at break (elongation at break)；Fig. 2 is rubber powder weight/mass percentage composition to elasticity
The impact of strength of alloy (tensile strength).As seen from Figure 1, elongation at break is in rubber powder weight/mass percentage composition
Maximum is reached before and after 55%, less than this value or higher than this value, elongation at break all can decline.From Figure 2 it can be seen that tension is strong
Degree reaches maximum before and after rubber powder weight/mass percentage composition is for 56%, less than this value or higher than this value, tensile strength
Will decline.Change other conditions, for example, change rubber powder particle size range, change material incorporation time and intensity, change reaction
The temperature of synthesis, the speed that mixed material puts into double screw extruder that changes, the result for obtaining is basically identical.Therefore, the rubber
What rubber powder accounted for the elastic alloy gross weight may range from 52wt%-57wt%；Preferably, the rubber powder accounts for the elasticity
The 54wt%-56wt% of alloy gross weight, it is further preferred that the rubber powder accounts for the elastic alloy gross weight
54.5wt%-55.5wt%.
Embodiment 2, the impact of thermoplastic resin weight proportion
To study thermoplastic resin weight proportion to elongation at break (elongation at break) and tensile strength
The impact of (tensile strength), on the premise of keeping other conditions constant, changes thermoplastic resin weight proportion, from
The contrast of experimental result obtains the optimum interval of thermoplastic resin weight proportion.
Preparation method is：
(1) elastomeric material is crushed, obtains rubber powder, screening carried out to the rubber powder obtain average grain diameter be
750 μm of rubber powder, aeration-drying to moisture content is less than 1%；
(2) rubber powder is changed with thermoplastic resin polypropylene, peroxide initiator benzoyl peroxide and interface
Property agent crylic acid ester mixture obtains mixed material, and the mixed process is：By the rubber powder and the peroxide initiator
In input mixer, 7min is to uniform for mixing, then the interface modifier is put in mixer, continues to mix 7min to equal
It is even, finally the thermoplastic resin is put in mixer, continue to mix 7min to uniform；
Wherein described thermoplastic resin accounts for the percentage of the mixed material gross weight and becomes in the range of 20wt%-80wt%
Change, the rubber powder accounts for the 98wt% of the mixed material gross weight with the thermoplastic resin weight sum, and peroxide draws
Sending out the weight sum of agent benzoyl peroxide and interface modifier acrylate, to account for the 2wt% of the mixed material gross weight (each
1%), mixed material input double screw extruder is synthesized and obtains elastic alloy, the condition bag being synthesized
Include：High-temperature is first risen to 120 DEG C, 5min is reacted, 140 DEG C are then warming up in 1min, react 5min, finally risen in 1min
Temperature reacts 3min to 160 DEG C, is 10kg/h by the speed that the mixed material puts into double screw extruder；
(3) granulation, injection moulding obtains product.
Product to obtaining carries out performance test, obtains such as Fig. 3,4 result.Wherein Fig. 3 is thermoplastic resin quality hundred
Divide impact of the content to elastic alloy elongation at break (elongation at break)；Fig. 2 is that thermoplastic resin quality percentage contains
Impact of the amount to elastic alloy tensile strength (tensile strength).As seen from Figure 3, elongation at break is in thermoplastic resin lipid
Amount percentage composition reaches maximum in front and back for 38%, and less than this value or higher than this value, elongation at break all can decline.By scheming
4 is visible, and tensile strength is to reach maximum before and after 37% in thermoplastic resin weight/mass percentage composition, less than this value or is higher than
This value, tensile strength all can decline.Change other conditions, for example, change rubber powder particle size range, change material incorporation time
The temperature being synthesized with intensity, change, the speed for changing mixed material input double screw extruder, the result for obtaining basic
Cause.Therefore, what the thermoplastic resin accounted for the elastic alloy gross weight may range from 35wt%-41wt%；Preferably, institute
The 36wt%-38wt% that thermoplastic resin accounts for the elastic alloy gross weight is stated, it is further preferred that the thermoplastic resin is accounted for
The 36.5wt%-37.5wt% of the elastic alloy gross weight.
Embodiment 3, the stage heats up
The impact that the present embodiment conceptual phase heats up to final elastic alloy properties of product.Preparation method is：
(1) elastomeric material is crushed, obtains rubber powder, screening carried out to the rubber powder obtain average grain diameter be
750 μm of rubber powder, aeration-drying to moisture content is less than 1%；
(2) rubber powder is changed with thermoplastic resin polypropylene, peroxide initiator benzoyl peroxide and interface
Property agent crylic acid ester mixture obtains mixed material, and the mixed process is：By the rubber powder and the peroxide initiator
In input mixer, 7min is to uniform for mixing, then the interface modifier is put in mixer, continues to mix 7min to equal
It is even, finally the thermoplastic resin is put in mixer, continue to mix 7min to uniform；
Wherein described rubber powder account for the mixed material gross weight percentage be 57wt%, the thermoplastic resin weight
Account for the 41wt% of the mixed material gross weight, peroxide initiator benzoyl peroxide and interface modifier acrylate
Weight sum accounts for 2wt% (each 1%), by mixed material input double screw extruder reaction of the mixed material gross weight
Synthesis obtains elastic alloy, and the condition being synthesized includes：Different mode of heatings are adopted to be contrasted, will be described mixed
The speed of compound material input double screw extruder is 10kg/h；
(3) granulation, injection moulding obtains product.
Adopt different mode of heatings to be contrasted during being synthesized, comparing result is as shown in the table.By contrasting
Result of the test understands, reacts under fixed temperature that equality of temperature on properties of product on not affecting little；And adopt the reaction of ladder-elevating temperature
Mode, then elongation at break and the performance parameter of tensile strength two can be improved.A kind of possible explanation is, what the stage heated up
Reactive mode allows sufficient buffering (buffering of temperature, buffering of time etc.) when reacting between each component, so as to each group divides it
Between react more fully, thus the performance for obtaining product is also more preferable.
The Comparative result of table one, different heating mode
Embodiment 4, the impact of rubber powder grain diameter
The present embodiment studies impact of the rubber powder grain diameter to final elastic alloy properties of product.Preparation method is：
(1) elastomeric material is crushed, obtains rubber powder, screening carried out to the rubber powder obtain average grain diameter be
The rubber powder of 300 μm of -900 μm of different-grain diameters, aeration-drying to moisture content is less than 1%；
(2) rubber powder is changed with thermoplastic polyethylene, peroxide initiator benzoyl peroxide and interface
Property agent crylic acid ester mixture obtains mixed material, and the mixed process is：By the rubber powder and the peroxide initiator
In input mixer, 7min is to uniform for mixing, then the interface modifier is put in mixer, continues to mix 7min to equal
It is even, finally the thermoplastic resin is put in mixer, continue to mix 7min to uniform；
Wherein described rubber powder account for the mixed material gross weight percentage be 57wt%, the thermoplastic resin weight
Account for the 41wt% of the mixed material gross weight, peroxide initiator benzoyl peroxide and interface modifier acrylate
Weight sum accounts for 2wt% (each 1%), by mixed material input double screw extruder reaction of the mixed material gross weight
Synthesis obtains elastic alloy, and the condition being synthesized includes：High-temperature is first risen to 120 DEG C, 5min is reacted, then in 1min
140 DEG C are inside warming up to, 5min is reacted, 160 DEG C are finally warming up in 1min, react 3min, mixed material input is double
The speed of screw extruder is 10kg/h；
(3) granulation, injection moulding obtains product.
Product to obtaining carries out performance test, obtains such as Fig. 5,6 result.Wherein Fig. 5 is rubber powder particle diameter to bullet
The impact of property alloy fracture degree of stretching (elongation at break)；Fig. 6 is rubber powder particle diameter to elastic alloy tensile strength
The impact of (tensile strength).
From Fig. 5,6, different rubber powder particle diameters have certain impact on particular product performance parameters, but not fairly obvious.It is comprehensive
From the point of view of, particle size range will obtain reasonable result between 600 μm -800 μm.
The above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this
Bright protection domain is determined by appended claim.
Claims (15)
1. a kind of elastic alloy, including rubber powder, thermoplastic resin, peroxide initiator and interface modifier, wherein described
Rubber powder accounts for the 52wt%-57wt% of the elastic alloy gross weight, and the thermoplastic resin accounts for the elastic alloy gross weight
35wt%-41wt%.
2. elastic alloy according to claim 1, it is characterised in that the rubber powder accounts for the elastic alloy gross weight
54wt%-56wt%, preferably 54.5wt%-55.5wt%；The thermoplastic resin accounts for the elastic alloy gross weight
36wt%-38wt%, preferably 36.5wt%-37.5wt%.
3. elastic alloy according to claim 1, it is characterised in that the particle size range of the rubber powder is 600 μm of -800 μ
m。
4. the elastic alloy according to any one of claim 1-3, it is characterised in that the thermoplastic resin is selected from following
One or more of material：Polyethylene, polypropylene and polybutene.
5. the elastic alloy according to any one of claim 1-3, it is characterised in that the peroxide initiator is selected from
One or more of following substances：Hydrogen peroxide, ammonium persulfate, potassium peroxydisulfate, cumyl peroxide, benzoyl peroxide,
The benzoyl peroxide tert-butyl ester, methyl ethyl ketone peroxide, tert-butylperoxy benzoyl, di-tert-butyl peroxide.
6. the elastic alloy according to any one of claim 1-3, it is characterised in that the interface modifier is selected from following
One or more of material：Acrylic acid, acrylate, methacrylic acid, methacrylate, styrene, divinylbenzene, third
Alkene nitrile, acrylamide, vinylacetate.
7. a kind of method for preparing elastic alloy, it is characterised in that methods described includes：
(1) elastomeric material is crushed, obtains rubber powder, the rubber powder is sieved, is dried；
(2) rubber powder and thermoplastic resin, peroxide initiator and interface modifier are mixed to get into mixed material, its
Described in rubber powder account for the 52wt%-57wt% of the mixed material gross weight, the thermoplastic resin accounts for the mixed material
The 35wt%-41wt% of gross weight, puts into the mixed material banbury or double screw extruder is synthesized and obtains elasticity
Alloy；
(3) granulation, injection moulding obtains product.
8. method according to claim 7, it is characterised in that the rubber powder accounts for the mixed material gross weight
54wt%-56wt%, preferably 54.5wt%-55.5wt%；The thermoplastic resin accounts for the mixed material gross weight
36wt%-38wt%, preferably 36.5wt%-37.5wt%.
9. method according to claim 7, it is characterised in that the particle size range of the rubber powder is 600 μm -800 μm.
10. the method according to any one of claim 7-9, it is characterised in that the thermoplastic resin is selected from following substances
One or more：Polyethylene, polypropylene and polybutene.
11. methods according to any one of claim 7-9, it is characterised in that the peroxide initiator is selected from following
One or more of material：Hydrogen peroxide, ammonium persulfate, potassium peroxydisulfate, cumyl peroxide, benzoyl peroxide, peroxide
Change the benzoyl tert-butyl ester, methyl ethyl ketone peroxide, tert-butylperoxy benzoyl, di-tert-butyl peroxide.
12. methods according to any one of claim 7-9, it is characterised in that the interface modifier is selected from following substances
One or more：Acrylic acid, acrylate, methacrylic acid, methacrylate, styrene, divinylbenzene, propylene
Nitrile, acrylamide, vinylacetate.
13. methods according to any one of claim 7-9, it is characterised in that described that the mixed material is put into into banburying
Machine or double screw extruder are synthesized and obtain elastic alloy：
It is described that temperature is synthesized for 100 DEG C -180 DEG C, the mixed material is put into into the speed of banbury or double screw extruder
Spend for 8kg/h-10kg/h, it is described that total time is synthesized for 5min-20min.
14. methods according to claim 13, it is characterised in that it is described be synthesized during using ladder-elevating temperature, first
High-temperature is risen to 120 DEG C, 3min-5min is reacted, 140 DEG C are then warming up in 1min, react 3min-5min, finally existed
160 DEG C are warming up in 1min, 3min-5min is reacted.
15. methods according to any one of claim 7-9, it is characterised in that described by the rubber powder and thermoplastic resin
Fat, peroxide initiator and interface modifier are mixed to get mixed material to be included：
The rubber powder and the peroxide initiator are put in mixer, 6min-8min is to uniform for mixing, then by institute
In stating interface modifier input mixer, continue to mix 6min-8min to uniform, finally mix thermoplastic resin input
In machine, continue to mix 6min-8min to uniform.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224133.2A CN106633264A (en) | 2016-12-27 | 2016-12-27 | Elastic alloy and preparation method therefor |
| PCT/CN2017/076162 WO2018120421A1 (en) | 2016-12-27 | 2017-03-09 | Elastic alloy and preparation method therefor |
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| CN201611224133.2A CN106633264A (en) | 2016-12-27 | 2016-12-27 | Elastic alloy and preparation method therefor |
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| CN114736440B (en) * | 2022-04-25 | 2023-07-04 | 扬州工业职业技术学院 | Interpenetrating network styrene-butadiene rubber and preparation method thereof |
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|---|---|---|---|---|
| CN1528815A (en) * | 2003-09-29 | 2004-09-15 | 华南理工大学 | In situ modified waste rubber powder composite material and preparing method thereof |
| CN101759973A (en) * | 2010-01-19 | 2010-06-30 | 华南理工大学 | Preparation method for thermoset resin/waste rubber powder/waste tire fiber composite material |
| CN102020807A (en) * | 2010-12-08 | 2011-04-20 | 常州大学 | High-performance environment-friendly polypropylene blending material and preparation method thereof |
| CN102311528A (en) * | 2011-07-04 | 2012-01-11 | 华南理工大学 | Waste rubber powder/polyolefin blending material and preparation method thereof |
| CN102516619A (en) * | 2011-12-21 | 2012-06-27 | 陆洪兴 | Preparation method of waste rubber powder/polyene resin thermoplastic elastomer |
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| KR100566727B1 (en) * | 2002-02-26 | 2006-04-03 | 미쓰이 가가쿠 가부시키가이샤 | Process for producing olefinic thermoplastic elastomer composition |
| WO2007025556A1 (en) * | 2005-08-30 | 2007-03-08 | Pirelli & C. S.P.A. | Process for manufacturing a thermoplastic elastomeric material |
| CN101440145B (en) * | 2008-12-25 | 2011-05-11 | 中国海洋石油总公司 | Activated waste rubber powder and preparation thereof |
| CN101602874B (en) * | 2009-06-30 | 2011-04-27 | 华南理工大学 | Method for preparing blending materials of waste rubber powder and polystyrene |
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2016
- 2016-12-27 CN CN201611224133.2A patent/CN106633264A/en active Pending
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2017
- 2017-03-09 WO PCT/CN2017/076162 patent/WO2018120421A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528815A (en) * | 2003-09-29 | 2004-09-15 | 华南理工大学 | In situ modified waste rubber powder composite material and preparing method thereof |
| CN101759973A (en) * | 2010-01-19 | 2010-06-30 | 华南理工大学 | Preparation method for thermoset resin/waste rubber powder/waste tire fiber composite material |
| CN102020807A (en) * | 2010-12-08 | 2011-04-20 | 常州大学 | High-performance environment-friendly polypropylene blending material and preparation method thereof |
| CN102311528A (en) * | 2011-07-04 | 2012-01-11 | 华南理工大学 | Waste rubber powder/polyolefin blending material and preparation method thereof |
| CN102516619A (en) * | 2011-12-21 | 2012-06-27 | 陆洪兴 | Preparation method of waste rubber powder/polyene resin thermoplastic elastomer |
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Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |