CN109400978A - A kind of natural rubber material and preparation method thereof - Google Patents
A kind of natural rubber material and preparation method thereof Download PDFInfo
- Publication number
- CN109400978A CN109400978A CN201811329275.4A CN201811329275A CN109400978A CN 109400978 A CN109400978 A CN 109400978A CN 201811329275 A CN201811329275 A CN 201811329275A CN 109400978 A CN109400978 A CN 109400978A
- Authority
- CN
- China
- Prior art keywords
- parts
- natural rubber
- rubber material
- aging agent
- promotor
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of natural rubber materials and preparation method thereof；Natural rubber material includes the raw material of following parts by weight: 80-100 parts of natural rubber, 20-40 parts of carbon black, 6-8 parts of choysotile fiber, 4-6 parts of zinc oxide, 2-4 parts of sulphur, 1-2 parts of promotor, 1-2 parts of anti-aging agent, 0.3-0.7 parts of aluminum-zirconium coupling agent；The present invention is modified in conjunction with natural rubber by modified choysotile fiber, hence it is evident that the mechanical property and wearability for improving natural rubber strengthen the usable range of natural rubber material, and cost of material is low, and preparation method is simple.
Description
Technical field
The present invention relates to a kind of rubber material, specifically a kind of natural rubber material and preparation method thereof.
Background technique
Rubber refers to the high elastic polymer material with reversible deformation, at room temperature high resilience, in the external force of very little
Effect is lower to generate larger deformation, remove resilient after external force.Rubber mainly has natural rubber and synthetic rubber, natural rubber
Glue is made of the extraction colloid post-processing from the plants such as rubber tree, kok-saghyz；Synthetic rubber is then by the aggregated reaction of various monomers
And it obtains.
Natural rubber has the characteristics such as excellent resilience, insulating properties, water-resisting property and plasticity, at present the rubber of its preparation
Plate or rubber pad can be widely applied to the industries such as medical treatment, transport, but the mechanical property of Natural rubber sheet is slightly worse, cannot be fine
Meet the requirements, limit its application, it is therefore desirable to its performance be improved, to improve the application range of natural rubber.
Summary of the invention
The purpose of the present invention is to provide a kind of natural rubber materials and preparation method thereof, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of natural rubber material, the raw material including following parts by weight: 80-100 parts of natural rubber, 20-40 parts of carbon black,
6-8 parts of choysotile fiber, 4-6 parts of zinc oxide, 2-4 parts of sulphur, 1-2 parts of promotor, 1-2 parts of anti-aging agent, aluminum-zirconium coupling agent
0.3-0.7 parts.
As a further solution of the present invention: the raw material including following parts by weight: 85-95 parts of natural rubber, carbon black 25-
35 parts, it is 6.5-7.5 parts of choysotile fiber, 4.5-5.5 parts of zinc oxide, 2.5-3.5 parts of sulphur, 1.2-1.6 parts of promotor, anti-old
1.4-1.8 parts of agent, 0.4-0.6 parts of aluminum-zirconium coupling agent.
As a further solution of the present invention: the raw material including following parts by weight: 90 parts of natural rubber, 30 parts of carbon black,
7 parts of choysotile fiber, 5 parts of zinc oxide, 3 parts of sulphur, 1.4 parts of promotor, 1.6 parts of anti-aging agent, 0.5 part of aluminum-zirconium coupling agent.
As a further solution of the present invention: the choysotile fiber is nanometer diameter choysotile fiber, radial direction
Scale is 40-50nm, and vertical scale is 30-40 μm.
As a further solution of the present invention: the promotor is 2- thiol benzothiazole.
As a further solution of the present invention: the anti-aging agent is anti-aging agent RD, antioxidant MB, one in antioxidant BLE
Kind or several mixtures.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, under nitrogen protection heating stirring react 2-3h, after by reaction product through filtering, third
After ketone is impregnated and is filtered, the dry 30-60min in 90-100 DEG C of vacuum oven；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 45-55 DEG C glue refine 30-60min, after stand 12h；
(3) by step (2) gains be placed on vulcanizing press vulcanize to get.
As a further solution of the present invention: reaction temperature is 50-70 DEG C in the step (1), mixing speed 800-
1000rpm。
As a further solution of the present invention: curing temperature is 130-140 DEG C in the step (3), sulfide stress 10-
11MPa, vulcanization time 10-15min.
Compared with prior art, the beneficial effects of the present invention are: choysotile fiber after modified and natural rubber knot
It is good to close effect, and significantly improves the mechanical property and wearability of natural rubber, strengthens can be used for natural rubber material
Range, cost of material is low, and preparation method is simple.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of natural rubber material, the raw material including following parts by weight: 80 parts of natural rubber, 20 parts of carbon black, fine snake
6 parts of mineral wool, 4 parts of zinc oxide, 2 parts of sulphur, 1 part of promotor, 1 part of anti-aging agent, 0.3 part of aluminum-zirconium coupling agent；
The choysotile fiber is nanometer diameter choysotile fiber, and radial dimension 40nm, vertical scale is 30 μ
m；
The promotor is 2- thiol benzothiazole；
The anti-aging agent is anti-aging agent RD.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, be heated to 50 DEG C under nitrogen protection, react 2h under the conditions of 800rpm, after will be anti-
Answer product after filtering, acetone soak and suction filtration, the dry 30min in 90 DEG C of vacuum oven；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 45 DEG C glue refine 30min, after stand 12h；
(3) step (2) gains are placed on vulcanizing press and are vulcanized to get curing temperature is 130 DEG C, sulfide stress
10MPa, vulcanization time 10min.
Embodiment 2
A kind of natural rubber material, the raw material including following parts by weight: 85 parts of natural rubber, 25 parts of carbon black, fine snake
6.5 parts of mineral wool, 4.5 parts of zinc oxide, 2.5 parts of sulphur, 1.2 parts of promotor, 1.4 parts of anti-aging agent, 0.4 part of aluminum-zirconium coupling agent；
The choysotile fiber is nanometer diameter choysotile fiber, and radial dimension 42nm, vertical scale is 32 μ
m；
The promotor is 2- thiol benzothiazole；
The anti-aging agent is that anti-aging agent RD and antioxidant MB 1:1 by weight are mixed to get.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, be heated to 55 DEG C under nitrogen protection, react 2.2h under the conditions of 850rpm, after will
Reaction product is after filtering, acetone soak and suction filtration, the dry 35min in 92 DEG C of vacuum oven；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 48 DEG C glue refine 35min, after stand 12h；
(3) step (2) gains are placed on vulcanizing press and are vulcanized to get curing temperature is 132 DEG C, sulfide stress
10.2MPa, vulcanization time 11min.
Embodiment 3
A kind of natural rubber material, the raw material including following parts by weight: 90 parts of natural rubber, 30 parts of carbon black, fine snake
7 parts of mineral wool, 5 parts of zinc oxide, 3 parts of sulphur, 1.4 parts of promotor, 1.6 parts of anti-aging agent, 0.5 part of aluminum-zirconium coupling agent；
The choysotile fiber is nanometer diameter choysotile fiber, and radial dimension 45nm, vertical scale is 35 μ
m；
The promotor is 2- thiol benzothiazole；
The anti-aging agent is that anti-aging agent RD, antioxidant MB and antioxidant BLE 1:1:1 by weight are mixed to get.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, be heated to 60 DEG C under nitrogen protection, react 2.5h under the conditions of 900rpm, after will
Reaction product is after filtering, acetone soak and suction filtration, the dry 45min in 95 DEG C of vacuum oven；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 50 DEG C glue refine 45min, after stand 12h；
(3) step (2) gains are placed on vulcanizing press and are vulcanized to get curing temperature is 135 DEG C, sulfide stress
10.5MPa, vulcanization time 13min.
Embodiment 4
A kind of natural rubber material, the raw material including following parts by weight: 95 parts of natural rubber, 35 parts of carbon black, fine snake
7.5 parts of mineral wool, 5.5 parts of zinc oxide, 3.5 parts of sulphur, 1.6 parts of promotor, 1.8 parts of anti-aging agent, 0.6 part of aluminum-zirconium coupling agent；
The choysotile fiber is nanometer diameter choysotile fiber, and radial dimension 48nm, vertical scale is 37 μ
m；
The promotor is 2- thiol benzothiazole；
The anti-aging agent is that antioxidant MB and antioxidant BLE 1:1 by weight are mixed to get.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, be heated to 65 DEG C under nitrogen protection, react 2.8h under the conditions of 950rpm, after will
Reaction product dries 50min in 97 DEG C of vacuum oven after filtering, acetone soak and suction filtration；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 53 DEG C glue refine 55min, after stand 12h；
(3) step (2) gains are placed on vulcanizing press and are vulcanized to get curing temperature is 137 DEG C, sulfide stress
10.8MPa, vulcanization time 14min.
Embodiment 5
A kind of natural rubber material, the raw material including following parts by weight: 100 parts of natural rubber, 40 parts of carbon black, fine snake
8 parts of mineral wool, 6 parts of zinc oxide, 4 parts of sulphur, 2 parts of promotor, 2 parts of anti-aging agent, 0.7 part of aluminum-zirconium coupling agent；
The choysotile fiber is nanometer diameter choysotile fiber, and radial dimension 50nm, vertical scale is 40 μ
m；
The promotor is 2- thiol benzothiazole；
The anti-aging agent is antioxidant BLE.
A kind of preparation method of natural rubber material, comprising the following steps:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
Uniformly, add aluminum-zirconium coupling agent, be heated to 70 DEG C under nitrogen protection, react 3h under the conditions of 1000rpm, after will be anti-
It answers product after filtering, acetone soak and suction filtration, dries 60min in 100 DEG C of vacuum oven；
(2) by natural rubber be added glue mill in refining glue 30min, then sequentially add promotor, zinc oxide, anti-aging agent,
Step (1) gains, carbon black and sulphur, at 55 DEG C glue refine 60min, after stand 12h；
(3) step (2) gains are placed on vulcanizing press and are vulcanized to get curing temperature is 140 DEG C, sulfide stress
11MPa, vulcanization time 15min.
Comparative example 1
In addition to being free of choysotile fiber in raw material, other preparation processes and embodiment 3 are consistent.
Comparative example 2
In addition to being free of aluminum-zirconium coupling agent in raw material, other preparation processes and embodiment 3 are consistent.
Comparative example 3
In addition to being free of choysotile fiber and aluminum-zirconium coupling agent in raw material, other preparation processes and embodiment 3 are consistent.
Comparative example 4
Raw material and embodiment 3 are consistent, and refining glue 30min in glue mill is added in natural rubber when preparation, is then sequentially added
Promotor, zinc oxide, anti-aging agent, choysotile fiber, aluminum-zirconium coupling agent, carbon black and sulphur, glue refines 45min, knot at 50 DEG C
12h is stood after beam；It is subsequently placed on vulcanizing press and vulcanizes to get curing temperature is 135 DEG C, sulfide stress 10.5MPa, sulphur
Change time 13min.
Comparative example 5
Using commercially available natural rubber as comparative example 5.
Experimental example 1
Mechanical property and wearability test, wherein hardness test are carried out to rubber prepared by embodiment 1-5 and comparative example 1-5
Referring to GB/T 531.2-2009, tensile property test is referring to GB/T 528-2009, and tear resistance test is referring to GB/T 529-
2008, wearability test is shown in Table 1 referring to GB/T 1689-2014, test result.
1 mechanical property of table and wearability test result
The mechanical property of the rubber material of 1-5 of embodiment of the present invention preparation is relative to commercial product as can be seen from Table 1
Comparative example 5 is obviously improved, and Akron abrasion loss decline about 40%, and wear-resisting property is obviously improved, fine snake after modified
Line mineral wool in conjunction with natural rubber after effect is obviously improved to rubber mechanical property and wearability.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of natural rubber material, which is characterized in that the raw material including following parts by weight: 80-100 parts of natural rubber, charcoal
20-40 parts black, 6-8 parts of choysotile fiber, 4-6 parts of zinc oxide, 2-4 parts of sulphur, 1-2 parts of promotor, 1-2 parts of anti-aging agent, aluminium
0.3-0.7 parts of zirconium coupling agent.
2. natural rubber material according to claim 1, which is characterized in that the raw material including following parts by weight: natural
85-95 parts of rubber, 25-35 parts of carbon black, 6.5-7.5 parts of choysotile fiber, 4.5-5.5 parts of zinc oxide, 2.5-3.5 parts of sulphur,
1.2-1.6 parts of promotor, 1.4-1.8 parts of anti-aging agent, 0.4-0.6 parts of aluminum-zirconium coupling agent.
3. natural rubber material according to claim 1, which is characterized in that the raw material including following parts by weight: natural
90 parts of rubber, 30 parts of carbon black, 7 parts of choysotile fiber, 5 parts of zinc oxide, 3 parts of sulphur, 1.4 parts of promotor, 1.6 parts of anti-aging agent,
0.5 part of aluminum-zirconium coupling agent.
4. natural rubber material according to claim 1, which is characterized in that the choysotile fiber is that nanometer diameter is fine
Serpentine fibre, radial dimension 40-50nm, vertical scale are 30-40 μm.
5. natural rubber material according to claim 1, which is characterized in that the promotor is 2- mercapto benzene a pair of horses going side by side thiophene
Azoles.
6. natural rubber material according to claim 1, which is characterized in that the anti-aging agent is anti-aging agent RD, anti-aging agent
The mixture of one or more of MB, antioxidant BLE.
7. a kind of preparation method of the natural rubber material as described in claim 1-6 is any, which is characterized in that including following step
It is rapid:
(1) choysotile fibre modification: choysotile fiber is added in stirred autoclave, is stirred after equivalent toluene is added
It is even, add aluminum-zirconium coupling agent, under nitrogen protection heating stirring react 2-3h, after by reaction product through filtering, acetone
After impregnating and filtering, the dry 30-60min in 90-100 DEG C of vacuum oven；
(2) refining glue 30min in glue mill is added in natural rubber, then sequentially adds promotor, zinc oxide, anti-aging agent, step
(1) gains, carbon black and sulphur, at 45-55 DEG C glue refine 30-60min, after stand 12h；
(3) by step (2) gains be placed on vulcanizing press vulcanize to get.
8. the preparation method of natural rubber material according to claim 7, which is characterized in that reaction in the step (1)
Temperature is 50-70 DEG C, mixing speed 800-1000rpm.
9. the preparation method of natural rubber material according to claim 4, which is characterized in that vulcanization in the step (3)
Temperature is 130-140 DEG C, sulfide stress 10-11MPa, vulcanization time 10-15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329275.4A CN109400978A (en) | 2018-11-09 | 2018-11-09 | A kind of natural rubber material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329275.4A CN109400978A (en) | 2018-11-09 | 2018-11-09 | A kind of natural rubber material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109400978A true CN109400978A (en) | 2019-03-01 |
Family
ID=65472549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811329275.4A Pending CN109400978A (en) | 2018-11-09 | 2018-11-09 | A kind of natural rubber material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109400978A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004605A (en) * | 2021-03-02 | 2021-06-22 | 苏州市金泽利塑料有限公司 | Preparation method of friction-resistant polyethylene sandbag |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735492A (en) * | 2010-01-22 | 2010-06-16 | 中国化工橡胶桂林有限公司 | Engineering tire tread rubber |
| CN103739898A (en) * | 2014-01-17 | 2014-04-23 | 安徽理工大学 | Modified lignocellulose/natural rubber composite material and preparation method thereof |
| CN106633218A (en) * | 2016-10-21 | 2017-05-10 | 安徽理工大学 | Natural rubber composite material and preparation method thereof |
-
2018
- 2018-11-09 CN CN201811329275.4A patent/CN109400978A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735492A (en) * | 2010-01-22 | 2010-06-16 | 中国化工橡胶桂林有限公司 | Engineering tire tread rubber |
| CN103739898A (en) * | 2014-01-17 | 2014-04-23 | 安徽理工大学 | Modified lignocellulose/natural rubber composite material and preparation method thereof |
| CN106633218A (en) * | 2016-10-21 | 2017-05-10 | 安徽理工大学 | Natural rubber composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004605A (en) * | 2021-03-02 | 2021-06-22 | 苏州市金泽利塑料有限公司 | Preparation method of friction-resistant polyethylene sandbag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103642093B (en) | Nitrile rubber/modified silica-gel powder blend and preparation method thereof | |
| CN103897226B (en) | A kind of resilient sleeper-bearing used for high-speed railway and preparation method thereof | |
| CN107418002A (en) | A kind of high-quality rubber seal | |
| CN109400978A (en) | A kind of natural rubber material and preparation method thereof | |
| CN108948725A (en) | A kind of preparation method of the modified polyurethane elastomer material of heat-resistant antifriction | |
| CN104371309A (en) | Rubber bushing material for automotive suspension and preparation method of rubber bushing material | |
| CN112480506A (en) | Preparation method of graphene hydrogel modified latex and graphene modified hydrogel rubber glove | |
| CN115011246A (en) | High-strength wear-resistant organic silicon protective coating and preparation method thereof | |
| CN109627502B (en) | Composite material of natural rubber and preparation method thereof | |
| CN109679232A (en) | Under a kind of low temperature deformation can fast quick-recovery new type rubber | |
| CN107501888B (en) | High-performance PC/ABS alloy material and preparation method thereof | |
| CN104788843A (en) | High-performance polymerization-stable butadiene-acrylonitrile rubber material | |
| CN113788971A (en) | Deproteinized natural rubber/chitosan composite membrane and preparation method thereof | |
| CN109776979A (en) | Carbon nano tube-doped Ionic Liquid Modified butyl rubber resilient body and preparation method | |
| CN104497378A (en) | Anti-cracking high-performance rubber composite material and preparation method thereof | |
| CN110564026B (en) | Preparation method of high-wear-resistance rain shoes | |
| CN110746557A (en) | Lignin composite hydrogel with high elasticity and fatigue strength resistance and preparation method thereof | |
| CN114940807A (en) | Modified zinc oxide and mercaptan synergistically toughened high-impact-resistance epoxy resin composite material and preparation method thereof | |
| CN109337257A (en) | A kind of metal strong seal rubber and preparation method thereof | |
| CN113402788B (en) | Vulcanized composition containing damping modifier, vulcanized rubber, and preparation method and application thereof | |
| CN108467525B (en) | Special vulcanization system composition for carboxylated nitrile rubber and preparation method thereof | |
| CN112876805A (en) | Preparation method of resin-based carbon quantum dot water lubricating sealing material | |
| Esmaeili et al. | A novel carbon nanotubes doped natural rubber nanocomposite with balanced dynamic shear properties and energy dissipation for wave energy applications | |
| CN105622817B (en) | The method that body in-situ polymerization prepares EVA/ graphene composite materials | |
| CN106146858B (en) | A kind of tetrapropanate fluorine rubber composition |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |