CN112321910A - Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron - Google Patents
Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron Download PDFInfo
- Publication number
- CN112321910A CN112321910A CN202011339605.5A CN202011339605A CN112321910A CN 112321910 A CN112321910 A CN 112321910A CN 202011339605 A CN202011339605 A CN 202011339605A CN 112321910 A CN112321910 A CN 112321910A
- Authority
- CN
- China
- Prior art keywords
- rubber
- parts
- air cushion
- maleic anhydride
- apron
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a rubber material for an air cushion apron, which is mainly prepared from the following raw materials in parts by weight: 30-60 parts of natural rubber; 10-40 parts of butadiene rubber; 1-30 parts of diene rubber-g-maleic anhydride; 10-80 parts of carbon black; 2-15 parts of zinc oxide; 3-15 parts of magnesium oxide; 1-3 parts of stearic acid; 1-4 parts of a rubber accelerator; 3-6 parts of a rubber antioxidant; 0.5-3 parts of sulfur; 5-20 parts of white carbon black; 5-20 parts of a plasticizer. The invention also discloses a preparation method of the rubber material, which comprises the steps of mixing, banburying, open mixing, calendaring and the like. The invention also discloses application of the rubber material in an air cushion apron. The invention also discloses a preparation method of the air cushion apron, which comprises the steps of mixing, banburying, open mixing, calendering and molding, compounding with a framework material and the like. The rubber material disclosed by the invention has outstanding adhesion, and has the advantages of high structural strength, light weight, good wear resistance and the like.
Description
Technical Field
The invention belongs to the technical field of rubber materials, and particularly relates to a rubber material for an air cushion apron, a preparation method and application of the rubber material, and a preparation method of the air cushion apron.
Background
The apron is an important component of a hovercraft lifting system, plays a role in restraining high-pressure air and bearing the weight of the whole hull in the hovercraft, and is mainly structurally composed of a middle framework material and upper and lower rubber base materials in a composite mode. When the hovercraft sails, the apron is beaten by wind waves and repeatedly flexed, so that the skeleton material and the rubber are easily separated and fall off, and the service life of the apron is influenced.
At present, the material of the apron skeleton is mainly nylon cord fabric or aramid cord fabric, and the nylon or aramid cord fabric is usually subjected to surface chemical treatment in order to improve the bonding performance with rubber. And with the development of large hovercraft, the requirement for apron materials is higher and higher, especially the requirement for bonding the framework material and the rubber material.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects and defects in the background technology and providing a rubber material for an air cushion apron, a preparation method and application thereof and a preparation method of the air cushion apron.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a rubber material for an air cushion apron is mainly prepared from the following raw materials in parts by weight:
natural rubber: 30-60 parts;
butadiene rubber: 10-40 parts;
diene rubber-g-maleic anhydride: 1-30 parts;
carbon black: 10-80 parts;
zinc oxide: 2-15 parts of a solvent;
magnesium oxide: 3-15 parts;
stearic acid: 1-3 parts;
rubber accelerator: 1-4 parts;
rubber antioxidant: 3-6 parts;
sulfur: 0.5-3 parts;
white carbon black: 5-20 parts of a solvent;
plasticizer: 5-20 parts.
The main rubber of the invention is natural rubber and cis-butadiene rubber, and the diene rubber-g-maleic anhydride of the invention is maleic anhydride graft modified diene rubber. In the rubber material for the air cushion apron, carbon black and white carbon black are used as reinforcing materials, zinc oxide and stearic acid are used as active agents, magnesium oxide and diene rubber-g-maleic anhydride can improve the bonding performance, wherein the magnesium oxide plays a role in promoting the chemical reaction of the diene rubber-g-maleic anhydride and a framework material, the bonding strength is further improved, and the plasticizer can adjust the hardness of the rubber material.
The rubber material for air cushion apron is preferably one or more of natural rubber-g-maleic anhydride, butadiene rubber-g-maleic anhydride and isoprene rubber-g-maleic anhydride, and more preferably one or both of natural rubber-g-maleic anhydride and butadiene rubber-g-maleic anhydride.
Preferably, the diene rubber-g-maleic anhydride is natural rubber-g-maleic anhydride and butadiene rubber-g-maleic anhydride, wherein the weight part of the natural rubber-g-maleic anhydride is not more than 20 parts, and the weight part of the butadiene rubber-g-maleic anhydride is not more than 15 parts.
As a general technical concept, the invention also provides a preparation method of the rubber material for the air cushion apron, which comprises the following steps:
s1, mixing natural rubber, butadiene rubber, diene rubber-g-maleic anhydride, magnesium oxide and white carbon black;
s2, adding the mixed natural rubber and butadiene rubber into an internal mixer, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid and the carbon black into the internal mixer for internal mixing, and then adding the sulfur and the rubber accelerator for internal mixing;
s3, adding the internally mixed rubber material into an open mill for open milling;
and S4, rolling and molding the milled rubber material, and then vulcanizing and molding.
In the preparation method, preferably, in the step S1, the natural rubber-g-maleic anhydride, the butadiene rubber-g-maleic anhydride, the magnesium oxide and the white carbon black are mixed, the mixing temperature is 115-130 ℃, and the mixing time is 2-4 min.
In the preparation method, the banburying temperature in S2 is preferably 100-125 ℃, and the banburying time is preferably 6-15 min.
In the preparation method, the milling temperature in the S3 is preferably 45-60 ℃, and the milling time is preferably 3-10 min.
In the preparation method, the calendering temperature in S4 is preferably 55-65 ℃, the vulcanization temperature is preferably 140-155 ℃, and the vulcanization time is preferably 30-90 min.
As a general technical concept, the invention also provides a preparation method of the air cushion apron, which comprises the following steps:
s1, mixing natural rubber, butadiene rubber, diene rubber-g-maleic anhydride, magnesium oxide and white carbon black;
s2, adding the mixed natural rubber and butadiene rubber into an internal mixer, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid and the carbon black into the internal mixer for internal mixing, and then adding the sulfur and the rubber accelerator for internal mixing;
s3, adding the internally mixed rubber material into an open mill for open milling;
s4, performing calendering molding on the milled rubber material on a calender;
s5, tightly attaching the calendered rubber to the apron skeleton material to enable the calendered rubber to be attached to two sides of the apron skeleton material to form a sandwich structure, and then putting the sandwich structure on a vulcanizing machine for vulcanization molding.
According to the invention, the rubber material and the apron framework material are rolled into a sandwich structure, wherein the middle layer is the framework material, the framework material is PA6, and a hydrogen bond is formed between the PA6 and the rubber material, so that the bonding performance of the PA6 and the rubber material is improved.
As a general technical concept, the invention also provides an application of the rubber material for the air cushion apron or the rubber material prepared by the preparation method in the air cushion apron.
Compared with the prior art, the invention has the advantages that:
1. the rubber material and the framework material have good bonding performance, the rubber material and the PA6 framework material form hydrogen bonds by adding the diene rubber-g-maleic anhydride, the acting force of the diene rubber-g-maleic anhydride and the PA6 framework material is increased, and the bonding strength is further improved by adding the magnesium oxide.
2. The rubber material of the invention is not only a rubber base material for the air cushion apron, but also a binder between the framework material and the rubber material, can be prepared together with the air cushion apron base material, and has simple production and high efficiency.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully and in detail with reference to the preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1:
the rubber material for the air cushion apron is mainly prepared from the following raw materials in parts by weight:
natural rubber: 60 parts;
natural rubber-g-maleic anhydride: 10 parts of (A);
butadiene rubber: 30 parts of (1);
carbon black: 30 parts of (1);
zinc oxide: 10 parts of (A);
magnesium oxide: 5 parts of a mixture;
stearic acid: 1 part;
rubber accelerator: 1 part;
rubber antioxidant: 3 parts of a mixture;
sulfur: 0.5 part;
white carbon black: 10 parts of (A);
plasticizer: 6 parts.
The preparation method of the air cushion apron of the embodiment comprises the following steps:
s1, mixing the natural rubber, the butadiene rubber, the natural rubber-g-maleic anhydride, the magnesium oxide and the white carbon black in parts by weight in an internal mixer for 2min at the mixing temperature of 120 ℃;
s2, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid, the carbon black and other auxiliary agents into an internal mixer according to the weight parts, wherein the internal mixing temperature is 105 ℃, the internal mixing time is 8min, and then adding the sulfur and the rubber accelerator for internal mixing for 2min to complete the preparation of the rubber material;
s3, adding the internally mixed rubber material into an open mill for open milling, wherein the open milling temperature is 50 ℃, and the open milling time is 6 min;
s4, rolling the milled rubber material into rubber sheets with the size similar to that of the framework material;
s5, tightly attaching the rolled rubber sheet to the apron skeleton material to enable two surfaces of the apron skeleton material to be attached with the rolled rubber to form a sandwich structure, filling the attached rubber sheet and the skeleton material into a mold to be vulcanized and molded, wherein the vulcanization temperature is 150 ℃, and the vulcanization time is 70 min.
Example 2:
the rubber material for the air cushion apron is mainly prepared from the following raw materials in parts by weight:
natural rubber: 60 parts;
natural rubber-g-maleic anhydride: 10 parts of (A);
butadiene rubber: 20 parts of (1);
cis-butadiene rubber-g-maleic anhydride: 10 parts of (A);
carbon black: 30 parts of (1);
zinc oxide: 10 parts of (A);
magnesium oxide: 5 parts of a mixture;
stearic acid: 1 part;
rubber accelerator: 1 part;
rubber antioxidant: 3 parts of a mixture;
sulfur: 0.5 part;
white carbon black: 10 parts of (A);
plasticizer: 6 parts.
The preparation method of the air cushion apron of the embodiment comprises the following steps:
s1, mixing the natural rubber, the butadiene rubber, the natural rubber-g-maleic anhydride, the butadiene rubber-g-maleic anhydride, the magnesium oxide and the white carbon black in parts by weight in an internal mixer for 3min at 125 ℃;
s2, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid, the carbon black and other auxiliary agents into an internal mixer according to the weight parts, wherein the internal mixing temperature is 110 ℃, the internal mixing time is 8min, and then adding the sulfur and the rubber accelerator for internal mixing for 2min to complete the preparation of the rubber material;
s3, adding the internally mixed rubber material into an open mill for open milling, wherein the open milling temperature is 50 ℃, and the open milling time is 6 min;
s4, rolling the milled rubber material into a rubber sheet with the size similar to that of the framework material in a rolling machine;
s5, tightly attaching the rolled rubber sheet to the apron skeleton material to enable two surfaces of the apron skeleton material to be attached with the rolled rubber to form a sandwich structure, filling the attached rubber sheet and the skeleton material into a mold for vulcanization molding, wherein the vulcanization temperature is 155 ℃, and the vulcanization time is 80 min.
Example 3:
the rubber material for the air cushion apron is mainly prepared from the following raw materials in parts by weight:
natural rubber: 60 parts;
butadiene rubber: 30 parts of (1);
cis-butadiene rubber-g-maleic anhydride: 10 parts of (A);
carbon black: 30 parts of (1);
zinc oxide: 10 parts of (A);
magnesium oxide: 3 parts of a mixture;
stearic acid: 1 part;
rubber accelerator: 1 part;
rubber antioxidant: 3 parts of a mixture;
sulfur: 0.5 part;
white carbon black: 10 parts of (A);
plasticizer: 6 parts.
The preparation method of the air cushion apron of the embodiment comprises the following steps:
s1, mixing the natural rubber, the butadiene rubber-g-maleic anhydride, the magnesium oxide and the white carbon black in parts by weight in an internal mixer for 2min at the mixing temperature of 120 ℃;
s2, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid, the carbon black and other auxiliary agents into an internal mixer according to the weight parts, wherein the internal mixing temperature is 105 ℃, the internal mixing time is 8min, and then adding the sulfur and the rubber accelerator for internal mixing for 2min to complete the preparation of the rubber material;
s3, adding the internally mixed rubber material into an open mill for open milling, wherein the open milling temperature is 50 ℃, and the open milling time is 6 min;
s4, rolling the milled rubber material into rubber sheets with the size similar to that of the framework material;
s5, tightly attaching the rolled rubber sheet to the apron skeleton material to enable two surfaces of the apron skeleton material to be attached with the rolled rubber to form a sandwich structure, filling the attached rubber sheet and the skeleton material into a mold to be vulcanized and molded, wherein the vulcanization temperature is 150 ℃, and the vulcanization time is 70 min.
Comparative example 1:
the comparative example provides a rubber material which is mainly prepared from the following raw materials in parts by weight:
natural rubber: 70 parts of (B);
butadiene rubber: 30 parts of (1);
carbon black: 30 parts of (1);
zinc oxide: 10 parts of (A);
magnesium oxide: 5 parts of a mixture;
stearic acid: 1 part;
rubber accelerator: 1 part;
rubber antioxidant: 3 parts of a mixture;
sulfur: 0.5 part;
white carbon black: 10 parts of (A);
plasticizer: 6 parts.
Comparative example 2:
the comparative example provides a rubber material which is mainly prepared from the following raw materials in parts by weight:
natural rubber: 60 parts;
butadiene rubber: 40 parts of a mixture;
carbon black: 30 parts of (1);
zinc oxide: 10 parts of (A);
magnesium oxide: 3 parts of a mixture;
stearic acid: 1 part;
rubber accelerator: 1 part;
rubber antioxidant: 3 parts of a mixture;
sulfur: 0.5 part;
white carbon black: 10 parts of (A);
plasticizer: 6 parts.
The rubber materials of the above examples and comparative examples were subjected to the performance test, and the results of the test are shown in the following table 1, in which the adhesive strength refers to the adhesive strength of the rubber material to the untreated skeletal material.
TABLE 1 results of performance test of examples and comparative examples
As can be seen from the experimental test data in Table 1, the rubber material of the embodiment has high bonding strength with the framework material, and the rubber material can be directly compounded with the untreated framework material to prepare the apron material, so that the prepared apron material has excellent performance and can meet the application requirement of the apron material on air-cushion boats.
Claims (10)
1. The rubber material for the air cushion apron is characterized by being mainly prepared from the following raw materials in parts by weight:
natural rubber: 30-60 parts;
butadiene rubber: 10-40 parts;
diene rubber-g-maleic anhydride: 1-30 parts;
carbon black: 10-80 parts;
zinc oxide: 2-15 parts of a solvent;
magnesium oxide: 3-15 parts;
stearic acid: 1-3 parts;
rubber accelerator: 1-4 parts;
rubber antioxidant: 3-6 parts;
sulfur: 0.5-3 parts;
white carbon black: 5-20 parts of a solvent;
plasticizer: 5-20 parts.
2. The rubber material for air cushion apron according to claim 1, wherein the diene rubber-g-maleic anhydride is one or more of natural rubber-g-maleic anhydride, butadiene rubber-g-maleic anhydride and isoprene rubber-g-maleic anhydride.
3. The rubber material for air cushion apron as claimed in claim 2, wherein the diene rubber-g-maleic anhydride is natural rubber-g-maleic anhydride and butadiene rubber-g-maleic anhydride, wherein the weight part of the natural rubber-g-maleic anhydride is not more than 20 parts, and the weight part of the butadiene rubber-g-maleic anhydride is not more than 15 parts.
4. A method for preparing a rubber material for an air cushion apron as claimed in any one of claims 1 to 3, which comprises the following steps:
s1, mixing natural rubber, butadiene rubber, diene rubber-g-maleic anhydride, magnesium oxide and white carbon black;
s2, adding the mixed natural rubber and butadiene rubber into an internal mixer, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid and the carbon black into the internal mixer for internal mixing, and then adding the sulfur and the rubber accelerator for internal mixing;
s3, adding the internally mixed rubber material into an open mill for open milling;
and S4, rolling and molding the milled rubber material, and then vulcanizing and molding.
5. The method for preparing a rubber material for an air cushion apron as claimed in claim 4, wherein the natural rubber, the natural rubber-g-maleic anhydride, the butadiene rubber-g-maleic anhydride, the magnesium oxide and the white carbon black are mixed in the step S1, the mixing temperature is 115-130 ℃, and the mixing time is 2-4 min.
6. The method for preparing a rubber material for an air cushion apron as claimed in claim 4, wherein the banburying temperature in S2 is 100 ℃ and 125 ℃, and the banburying time is 6-15 min.
7. The preparation method of the rubber material for the air cushion apron as claimed in claim 4, wherein the milling temperature in S3 is 45-60 ℃, and the milling time is 3-10 min.
8. The preparation method of the rubber material for the air cushion apron as claimed in claim 4, wherein the calendering temperature in the S4 is 55-65 ℃, the vulcanization temperature is 140-155 ℃, and the vulcanization time is 30-90 min.
9. Use of a rubber material for an air cushion apron as defined in any one of claims 1 to 3 or a rubber material prepared by the preparation method as defined in any one of claims 4 to 8 in an air cushion apron.
10. A method for preparing an air cushion apron, which is characterized by adopting the rubber material as claimed in any one of claims 1 to 3, and comprises the following steps:
s1, mixing natural rubber, butadiene rubber, diene rubber-g-maleic anhydride, magnesium oxide and white carbon black;
s2, adding the mixed natural rubber and butadiene rubber into an internal mixer, sequentially adding the rubber antioxidant, the zinc oxide, the plasticizer, the stearic acid and the carbon black into the internal mixer for internal mixing, and then adding the sulfur and the rubber accelerator for internal mixing;
s3, adding the internally mixed rubber material into an open mill for open milling;
s4, performing calendering molding on the milled rubber material on a calender;
s5, tightly attaching the calendered rubber to the apron skeleton material to enable the calendered rubber to be attached to two sides of the apron skeleton material to form a sandwich structure, and then putting the sandwich structure on a vulcanizing machine for vulcanization molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339605.5A CN112321910B (en) | 2020-11-25 | 2020-11-25 | Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339605.5A CN112321910B (en) | 2020-11-25 | 2020-11-25 | Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112321910A true CN112321910A (en) | 2021-02-05 |
| CN112321910B CN112321910B (en) | 2023-03-24 |
Family
ID=74308443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011339605.5A Active CN112321910B (en) | 2020-11-25 | 2020-11-25 | Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112321910B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009215541A (en) * | 2008-02-12 | 2009-09-24 | Toyo Tire & Rubber Co Ltd | Rubber composition for air spring and air spring |
| CN102219943A (en) * | 2011-06-03 | 2011-10-19 | 天津市橡胶工业研究所 | Chloroprene rubber/nature rubber for skirt of hovercraft and manufacturing method of chloroprene rubber/nature rubber |
| CN102964643A (en) * | 2012-12-10 | 2013-03-13 | 天津市橡胶工业研究所 | Natural/butadiene rubber formula for hovership finger and manufacturing method thereof |
| CN104479178A (en) * | 2014-12-09 | 2015-04-01 | 太仓市苏月科技发展有限公司 | Novel composite material hovercraft apron rubber material and method of manufacturing hovercraft apron by rubber material |
| CN110435196A (en) * | 2019-08-16 | 2019-11-12 | 浙江省仙居县华丰橡胶有限公司 | One kind resists cold compound skirt of hovercraft |
| CN111763360A (en) * | 2019-04-02 | 2020-10-13 | 中国石油化工股份有限公司 | Rubber composition, vulcanized rubber, and preparation method and application thereof |
-
2020
- 2020-11-25 CN CN202011339605.5A patent/CN112321910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009215541A (en) * | 2008-02-12 | 2009-09-24 | Toyo Tire & Rubber Co Ltd | Rubber composition for air spring and air spring |
| CN102219943A (en) * | 2011-06-03 | 2011-10-19 | 天津市橡胶工业研究所 | Chloroprene rubber/nature rubber for skirt of hovercraft and manufacturing method of chloroprene rubber/nature rubber |
| CN102964643A (en) * | 2012-12-10 | 2013-03-13 | 天津市橡胶工业研究所 | Natural/butadiene rubber formula for hovership finger and manufacturing method thereof |
| CN104479178A (en) * | 2014-12-09 | 2015-04-01 | 太仓市苏月科技发展有限公司 | Novel composite material hovercraft apron rubber material and method of manufacturing hovercraft apron by rubber material |
| CN111763360A (en) * | 2019-04-02 | 2020-10-13 | 中国石油化工股份有限公司 | Rubber composition, vulcanized rubber, and preparation method and application thereof |
| CN110435196A (en) * | 2019-08-16 | 2019-11-12 | 浙江省仙居县华丰橡胶有限公司 | One kind resists cold compound skirt of hovercraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112321910B (en) | 2023-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100595227C (en) | Formula of highly anti-fatigue automobile brake chamber rubber diaphragm material | |
| CN101440176A (en) | Giant engineering tire tread rubber and giant engineering tyre using the same | |
| CN103753901A (en) | Preparation method of energy-saving high-strength carbon fiber conveying belt | |
| CN110835429A (en) | Steel wire rope core conveying belt with low rolling resistance and manufacturing method thereof | |
| CN110204800A (en) | Steel bead wire kiss-coating and preparation method | |
| CN113429649B (en) | Inner and outer layer rubber composition for commercial vehicle air spring leather bag and preparation method thereof | |
| CN102718993A (en) | Rubber nano composite material for bead filler of tire and preparation method for rubber nano composite material | |
| CN112321910B (en) | Rubber material for air cushion apron, preparation method and application of rubber material and preparation method of air cushion apron | |
| CN105524305A (en) | Tread rubber for engineering tire | |
| CN112552558A (en) | Cord fabric skim of bias aircraft tire and preparation method thereof | |
| CN109880187B (en) | Impact-resistant, wear-resistant and tear-resistant steel wire rope core conveying belt and preparation method thereof | |
| CN108329682A (en) | A kind of composite polyurethane tread rubber and preparation method thereof | |
| CN111386200B (en) | Pneumatic tire and method for producing rubber composition for tire used for the pneumatic tire | |
| CN115073832A (en) | Ultrahigh-bearing-capacity solid tire rubber material for port machinery and preparation method | |
| CN109456517A (en) | A kind of solid tread glue formula of mining top load transporting supports vehicle and preparation process | |
| CN115716943A (en) | Sustainable full-explosion-proof tire outer side supporting rubber and detection method | |
| CN115926273A (en) | High-toughness NBR composite material and preparation method thereof | |
| CN114425823A (en) | Rubber mixing method, rubber compound and application | |
| CN110511449B (en) | Ozone-resistant ultraviolet-resistant extreme cold area damping support composite material and preparation method thereof | |
| CN114015166A (en) | EPDM rubber foaming material and application | |
| CN108034172A (en) | A kind of wear-resisting floor wearing floor leather material of material and preparation method thereof for integral new-energy passenger | |
| CN110746664A (en) | Wear-resistant and heat-resistant tire tread rubber | |
| CN113956579B (en) | High-heat-resistant adhesive and preparation method and application thereof | |
| CN114058093B (en) | Foaming material composition, foaming material and preparation method thereof | |
| CN112646246B (en) | Two-dimensional covalent organic framework/styrene butadiene rubber composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |