CN111961268A - Preparation process of rubber powder with good wear resistance - Google Patents
Preparation process of rubber powder with good wear resistance Download PDFInfo
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- CN111961268A CN111961268A CN202010922297.2A CN202010922297A CN111961268A CN 111961268 A CN111961268 A CN 111961268A CN 202010922297 A CN202010922297 A CN 202010922297A CN 111961268 A CN111961268 A CN 111961268A
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- Prior art keywords
- rubber
- waste rubber
- rubber powder
- wear resistance
- powder
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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
- C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
- C08L19/003—Precrosslinked rubber; Scrap rubber; Used vulcanised rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0404—Disintegrating plastics, e.g. by milling to powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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 discloses a preparation process of rubber powder with good wear resistance, which comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite; cleaning and crushing: cleaning waste rubber by using a rubber cleaning agent, and crushing the cleaned waste rubber; impurity removal: removing scrap iron impurities in the waste rubber by using a strong magnetic iron remover to obtain waste rubber particles; preparing waste rubber powder: putting the waste rubber particles into a grinder, and adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder; according to the invention, the rubber cleaning agent, the strong magnetic iron remover, the triphenylphosphine and the di-n-butyl phosphite ester are matched, so that impurities in the waste rubber can be removed, and the quality of the rubber powder is improved when the rubber powder is recovered and prepared; the addition of the friction performance regulator improves the wear resistance of the rubber powder and prolongs the service life of the prepared finished product.
Description
Technical Field
The invention belongs to the technical field of rubber powder, and particularly relates to a manufacturing process of rubber powder with good wear resistance.
Background
The rubber powder is short for rubber powder and is generally processed by waste tires. The commonly used processing method comprises the following steps: normal crushing, freezing and normal temperature chemical method. The product is widely used in the fields of plastic sports stadiums, playgrounds, rubber floor tiles, waterproof coiled materials, waterproof coatings, road modified asphalt, rubber products and the like.
The purpose of the rubber powder is divided into two fields: firstly, the rubber is directly molded or is used together with new rubber to be made into a product, which belongs to the category of rubber industry; secondly, the application in the wide field of non-rubber industry: the rubber powder can effectively reduce the cost, improve the performance and obtain the effect which cannot be obtained by other materials. It can be widely used as rubber, filler and composite material for tires, rubber tubes, adhesive tapes, rubber shoes, rubber industrial products, wires, cables, building materials and the like. The rubber powder can also be used with plastics, such as polyethylene, polyvinyl chloride, polypropylene, polyurethane, etc., to improve performance and reduce cost.
The consciousness of rubber resource shortage and energy conservation is more and more deeply focused, and the preparation of rubber powder by recycling waste rubber is more and more emphasized.
The existing rubber powder has the following defects in preparation:
1. the wear resistance is low, so that the service life of a prepared finished product is shortened;
2. when the waste rubber is recycled, the waste rubber contains a lot of impurities, and the quality of the rubber powder is influenced when the rubber powder is recycled and prepared.
Disclosure of Invention
The invention aims to provide a rubber powder manufacturing process with good wear resistance, which aims to solve the problems that the rubber powder provided by the background technology is low in wear resistance and the service life of a prepared finished product is shortened; when the waste rubber is recycled, the waste rubber contains a plurality of impurities, and the quality of the rubber powder is influenced when the rubber powder is recycled and prepared.
In order to achieve the purpose, the invention provides the following technical scheme: the preparation process of the rubber powder with good wear resistance comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite;
step two: cleaning and crushing: cleaning waste rubber by using a rubber cleaning agent, and crushing the cleaned waste rubber;
step three: impurity removal: removing scrap iron impurities in the waste rubber by using a strong magnetic iron remover to obtain waste rubber particles;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, and adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder;
step five: mixing: mixing waste rubber powder and a friction performance regulator, and adding an initiator and a compounding agent into the mixture for mixing;
step six: and (3) vulcanization: and putting the mixture into a vulcanizing machine for vulcanization.
As a preferable technical scheme of the invention, the friction performance regulator is one or more of graphite, molybdenum disulfide and coke powder.
As a preferable technical scheme of the invention, the initiator is one or more of ammonium persulfate, potassium persulfate and benzoyl peroxide.
As a preferable technical scheme of the invention, the compounding agent is ethylene propylene diene reclaimed rubber.
In the second step, the cleaned waste rubber is crushed to 20-40 meshes.
In the fourth step, the waste rubber powder is sieved by a sieve of 80 meshes.
In the sixth step, the mixture is put into a vulcanizing machine for vulcanizing for 2 to 3 hours.
Compared with the prior art, the invention has the beneficial effects that:
(1) the matching of the rubber cleaning agent, the strong magnetic iron remover, the triphenylphosphine and the di-n-butyl phosphite ester is beneficial to removing impurities in the waste rubber, and the quality of the rubber powder is improved when the rubber powder is recycled and prepared;
(2) the addition of the friction performance regulator improves the wear resistance of the rubber powder and prolongs the service life of the prepared finished product.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: a preparation process of rubber powder with good wear resistance comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite; the friction performance regulator is graphite; the initiator is ammonium persulfate; the compounding agent is ethylene propylene diene reclaimed rubber;
step two: cleaning and crushing: the waste rubber is cleaned by using a rubber cleaning agent, the cleaned waste rubber is crushed to 20 meshes, and the waste rubber is cleaned by using the rubber cleaning agent, so that stains outside the waste rubber can be cleaned;
step three: impurity removal: the scrap iron impurities in the waste rubber are removed by using the strong magnetic iron remover to obtain waste rubber particles, and the use of the strong magnetic iron remover plays an important role in removing the scrap iron impurities;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder, and sieving the waste rubber powder with a 80-mesh sieve; the method is beneficial to removing impurities in the waste rubber, and the quality of the rubber powder is improved when the rubber powder is recycled and prepared;
step five: mixing: mixing the waste rubber powder and the friction performance regulator, and adding the initiator and the compounding agent into the mixture for mixing, wherein the friction performance regulator can improve the wear resistance of the material and reduce noise;
step six: and (3) vulcanization: and putting the mixture into a vulcanizing machine for vulcanizing for 2 hours.
Example 2
Referring to fig. 1, the present invention provides a technical solution: a preparation process of rubber powder with good wear resistance comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite; the friction performance regulator is molybdenum disulfide; the initiator is potassium persulfate; the compounding agent is ethylene propylene diene reclaimed rubber;
step two: cleaning and crushing: the waste rubber is cleaned by using a rubber cleaning agent, the cleaned waste rubber is crushed to 30 meshes, and the rubber cleaning agent is used for cleaning the waste rubber, so that stains outside the waste rubber can be cleaned;
step three: impurity removal: the scrap iron impurities in the waste rubber are removed by using the strong magnetic iron remover to obtain waste rubber particles, and the use of the strong magnetic iron remover plays an important role in removing the scrap iron impurities;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder, and sieving the waste rubber powder with a 80-mesh sieve; the method is beneficial to removing impurities in the waste rubber, and the quality of the rubber powder is improved when the rubber powder is recycled and prepared;
step five: mixing: mixing the waste rubber powder and the friction performance regulator, and adding the initiator and the compounding agent into the mixture for mixing, wherein the friction performance regulator can improve the wear resistance of the material and reduce noise;
step six: and (3) vulcanization: putting the mixture into a vulcanizing machine for vulcanizing for 2.5 hours.
Example 3
Referring to fig. 1, the present invention provides a technical solution: a preparation process of rubber powder with good wear resistance comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite; the friction performance regulator is coke powder; the initiator is benzoyl peroxide; the compounding agent is ethylene propylene diene reclaimed rubber;
step two: cleaning and crushing: the waste rubber is cleaned by using a rubber cleaning agent, the cleaned waste rubber is crushed to 40 meshes, and the waste rubber is cleaned by using the rubber cleaning agent, so that stains outside the waste rubber can be cleaned;
step three: impurity removal: the scrap iron impurities in the waste rubber are removed by using the strong magnetic iron remover to obtain waste rubber particles, and the use of the strong magnetic iron remover plays an important role in removing the scrap iron impurities;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder, and sieving the waste rubber powder with a 80-mesh sieve; the method is beneficial to removing impurities in the waste rubber, and the quality of the rubber powder is improved when the rubber powder is recycled and prepared;
step five: mixing: mixing the waste rubber powder and the friction performance regulator, and adding the initiator and the compounding agent into the mixture for mixing, wherein the friction performance regulator can improve the wear resistance of the material and reduce noise;
step six: and (3) vulcanization: and putting the mixture into a vulcanizing machine for vulcanizing for 3 hours.
Example 4
Referring to fig. 1, the present invention provides a technical solution: a preparation process of rubber powder with good wear resistance comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite; the friction performance regulator is graphite and coke powder; the initiator is ammonium persulfate and potassium persulfate; the compounding agent is ethylene propylene diene reclaimed rubber;
step two: cleaning and crushing: the waste rubber is cleaned by using a rubber cleaning agent, the cleaned waste rubber is crushed to 40 meshes, and the waste rubber is cleaned by using the rubber cleaning agent, so that stains outside the waste rubber can be cleaned;
step three: impurity removal: the scrap iron impurities in the waste rubber are removed by using the strong magnetic iron remover to obtain waste rubber particles, and the use of the strong magnetic iron remover plays an important role in removing the scrap iron impurities;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder, and sieving the waste rubber powder with a 80-mesh sieve; the method is beneficial to removing impurities in the waste rubber, and the quality of the rubber powder is improved when the rubber powder is recycled and prepared;
step five: mixing: mixing the waste rubber powder and the friction performance regulator, and adding the initiator and the compounding agent into the mixture for mixing, wherein the friction performance regulator can improve the wear resistance of the material and reduce noise;
step six: and (3) vulcanization: and putting the mixture into a vulcanizing machine for vulcanizing for 3 hours.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A preparation process of rubber powder with good wear resistance is characterized by comprising the following steps: the manufacturing process comprises the following steps:
the method comprises the following steps: preparing raw materials: waste rubber, a friction performance regulator, an initiator, a compounding agent, triphenylphosphine and di-n-butyl sodium phosphite;
step two: cleaning and crushing: cleaning waste rubber by using a rubber cleaning agent, and crushing the cleaned waste rubber;
step three: impurity removal: removing scrap iron impurities in the waste rubber by using a strong magnetic iron remover to obtain waste rubber particles;
step four: preparing waste rubber powder: putting the waste rubber particles into a grinder, and adding triphenylphosphine and di-n-butyl phosphite ester into the grinder to grind to obtain waste rubber powder;
step five: mixing: mixing waste rubber powder and a friction performance regulator, and adding an initiator and a compounding agent into the mixture for mixing;
step six: and (3) vulcanization: and putting the mixture into a vulcanizing machine for vulcanization.
2. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: the friction performance regulator is one or more of graphite, molybdenum disulfide and coke powder.
3. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: the initiator is one or more of ammonium persulfate, potassium persulfate and benzoyl peroxide.
4. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: the compounding agent is ethylene propylene diene reclaimed rubber.
5. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: in the second step, the cleaned waste rubber is crushed into 20-40 meshes.
6. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: in the fourth step, the waste rubber powder is sieved by a sieve of 80 meshes.
7. The process for preparing the rubber powder with good wear resistance according to claim 1, wherein the process comprises the following steps: and in the sixth step, putting the mixture into a vulcanizing machine for vulcanizing for 2-3 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010922297.2A CN111961268A (en) | 2020-09-04 | 2020-09-04 | Preparation process of rubber powder with good wear resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010922297.2A CN111961268A (en) | 2020-09-04 | 2020-09-04 | Preparation process of rubber powder with good wear resistance |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725151A (en) * | 1986-07-25 | 1988-02-16 | The B. F. Goodrich Company | Thermoplastic-rubber polymer alloys and method of producing the same |
| US20130023595A1 (en) * | 2010-03-15 | 2013-01-24 | Phoenix Innovation Technology Inc. | Method and apparatus for regenerating vulcanized rubber |
| CN105037865A (en) * | 2015-08-20 | 2015-11-11 | 华南理工大学 | Modified scrap rubber powder as well as preparation method and application thereof |
| CN109111550A (en) * | 2018-07-11 | 2019-01-01 | 合肥远科服装设计有限公司 | A kind of preparation method of sole reclaiming rubber powder |
| CN109694510A (en) * | 2018-12-29 | 2019-04-30 | 四川君尚亚克力制造有限公司 | A kind of environmental protection runway pavement material and construction method |
-
2020
- 2020-09-04 CN CN202010922297.2A patent/CN111961268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725151A (en) * | 1986-07-25 | 1988-02-16 | The B. F. Goodrich Company | Thermoplastic-rubber polymer alloys and method of producing the same |
| US20130023595A1 (en) * | 2010-03-15 | 2013-01-24 | Phoenix Innovation Technology Inc. | Method and apparatus for regenerating vulcanized rubber |
| CN105037865A (en) * | 2015-08-20 | 2015-11-11 | 华南理工大学 | Modified scrap rubber powder as well as preparation method and application thereof |
| CN109111550A (en) * | 2018-07-11 | 2019-01-01 | 合肥远科服装设计有限公司 | A kind of preparation method of sole reclaiming rubber powder |
| CN109694510A (en) * | 2018-12-29 | 2019-04-30 | 四川君尚亚克力制造有限公司 | A kind of environmental protection runway pavement material and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 于占江: "《国家示范性专业重点规划教材 摩擦材料生产工艺》", 31 January 2018, 天津大学出版社 * |
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