CN104710714A - Processing method of 200-mesh fluorine rubber powder - Google Patents

Processing method of 200-mesh fluorine rubber powder Download PDF

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Publication number
CN104710714A
CN104710714A CN201310673569.XA CN201310673569A CN104710714A CN 104710714 A CN104710714 A CN 104710714A CN 201310673569 A CN201310673569 A CN 201310673569A CN 104710714 A CN104710714 A CN 104710714A
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rubber
powder
utilized
carry out
magnetic separation
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金国明
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TIANJIN MINGJI JINTAI RUBBER PLASTIC PRODUCT PROCESSING CO Ltd
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TIANJIN MINGJI JINTAI RUBBER PLASTIC PRODUCT PROCESSING CO Ltd
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Publication of CN104710714A publication Critical patent/CN104710714A/en
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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
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • 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
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • 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
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/18—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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • 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
    • C08K3/34—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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/267—Magnesium carbonate
    • 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
    • C08K2003/3045—Sulfates
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

The invention belongs to the technical field of waste and old rubber recovery and utilization, and specifically relates to a processing method of 200-mesh fluorine rubber powder. A normal-temperature machinery processing method is adopted, the leftovers of waste and old fluorine rubber are washed, impurities are removed, then the fluorine rubber leftovers are grinded, metals in the leftovers are removed through magnetic separation, the leftovers are grinded for several times, auxiliary agents are added, and finally the mixture is grinded so as to prepare the 200-mesh fluorine rubber powder. The particle size of rubber particles, which are prepared through grinding rubber by a normal machine, is too large, and the provided processing method solves the problem mentioned above. Moreover, the performance of the material processed by the provided processing method is greatly better than that of rubber powder, which is produced by a freezing method. The waste and old fluorine rubber leftovers can be recycled, the environmental pollution is reduced, and the wastes are converted into valuable resources. The particle size of the rubber powder reaches the 200-mesh level, thus the application range of the rubber powder is enlarged to fields of rubber filling and blending, plastic toughening modification, paint toughening modification, and the like, and the rubber powder can be used to produce products having advantages of wear resistance, no odor, no toxicity, alkali resistance, acid resistance, and corrosion resistance.

Description

A kind of 200 order fluororubber powder working methods
Technical field
The invention belongs to waste old recovery and utilization technology field, be specifically related to a kind of 200 order fluororubber powder working methods.
Background technology
Viton refers to that the one that the carbon atom of main chain or side chain contains fluorine atom synthesizes macromolecular elastomer, is called for short FPM.There is excellent thermotolerance, oil-proofness, scale resistance and chemical proofing.The thermotolerance of viton is better than other all synthetic rubber, can long term operation below 200 DEG C, short-term can stand the high temperature of more than 300 DEG C.The immersion of the various oils of viton ability, fuel, concentrated acid, solvent, high-strength hydrogen peroxide etc., erosion resistance is better than other various rubber.Viton tensile strength is comparatively large, and be generally 10-30Mpa, tensile yield is 150%-300%, and what tensile yield had reaches more than 500%.Viton wear resistance is good, but its thermal conductivity is little.Viton is fast light, resistance to ozone, resistance to weather good, has resistance to vacuum enhancing, has certain flame resistivity.
Along with the growth of viton productive consumption amount, the viton corner blanking produced in sulfidization molding processing and the waste fluorine formed in applying, just increase sharply, stack everywhere, not only take large quantity space, be also degrading ecotope, therefore rationally waste fluorine is recycled, make full use of renewable resources, turn waste into wealth, there is very important realistic meaning.
Given this, low in the urgent need to a kind of energy consumption, the lower and renovation process of the waste fluorine of better performances of cost.
Summary of the invention
The object of this invention is to provide a kind of 200 order fluororubber powder working methods, to solve the above-mentioned defect existed in prior art.
For realizing object of the present invention, the invention provides a kind of 200 order fluororubber powder working methods, described working method comprises the following step carried out in order:
1) useless viton tankage are manually carried out color separation processing, then clean and remove impurity, utilize permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 2-4% simultaneously, the superoxide of 1-2% and the strengthening agent of 3-6% also mix, wherein additive is selected from calcium carbonate, diatomite, magnesiumcarbonate, potter's clay, Mierocrystalline cellulose, calcium sulfate, mica powder, wollastonite, at least four kinds in titanium dioxide and white clay, superoxide is selected from dicumyl peroxide, tert butyl permaleic acid, lauroyl peroxide, at least two kinds in stearoyl and benzoyl peroxide, strengthening agent is selected from white carbon black, calcium silicate hydrate, at least two kinds in carbon black and hydrated aluminium silicate, powder machine is finally utilized to carry out fine grinding and make meticulous fluororubber powder,
6) utilize high frequency vibrating screen to screen above-mentioned meticulous fluororubber powder, namely make 200 described order fluororubber powder.
Preferably, described step 6) screen specification of medium-high frequency vibration sieve is DIN4188/mm standard 0.075.
The present invention adopts the method for normal temperature mechanical workout and interpolation auxiliary agent to process useless viton tankage, because technological design is reasonable, solve the problem that rubber grain particle diameter after common machines pulverization process is excessive, the geometry material performance obtained after simultaneously pulverizing is better than the rubber powder that freezing method is produced greatly, and energy consumption is low, can turn waste into wealth simultaneously, solves useless viton and directly abandon and the problem of environmental pollution that causes.In addition, because the granularity of product can reach 200 orders, therefore its Application Areas can be made to expand to the fields such as rubber filling is blended, plastic toughening modification, paint, coating toughening modifying, not only expand the range of application of rubber powder, and product can be made to have wear-resisting, nontoxic, tasteless, acid and alkali-resistance, the performance such as corrosion-resistant.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
Embodiment 1
A kind of 200 order fluororubber powder working methods provided by the invention comprise the following step carried out in order;
1) the useless viton tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 2% simultaneously, the superoxide of 1% and the strengthening agent of 3% also mix, wherein additive is by 0.5% calcium carbonate, 0.5% diatomite, 0.5% potter's clay and 0.5% titanium dioxide composition, superoxide is made up of 0.5% tert butyl permaleic acid and 0.5% stearoyl, strengthening agent is made up of 1% white carbon black and 2% hydrated aluminium silicate, powder machine is finally utilized to carry out fine grinding and make meticulous fluororubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen above-mentioned meticulous fluororubber powder, namely make 200 described order fluororubber powder.
Embodiment 2
A kind of 200 order fluororubber powder working methods provided by the invention comprise the following step carried out in order:
1) the waste old tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 3% simultaneously, the superoxide of 1.5% and the strengthening agent of 5% also mix, wherein additive is by 0.5% diatomite, 0.5% magnesiumcarbonate, 0.5% calcium sulfate, 0.5% mica powder, the white clay composition of 1%, superoxide is by 0.5% tert butyl permaleic acid, 0.5% benzoyl peroxide and 0.5% lauroyl peroxide composition, strengthening agent is by 1% carbon black, 2% calcium silicate hydrate and 2% hydrated aluminium silicate composition, finally carry out fine grinding with powder machine and make meticulous fluororubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen above-mentioned meticulous fluororubber powder, namely make 200 described order fluororubber powder.
Embodiment 3
A kind of 200 order fluororubber powder working methods provided by the invention comprise the following step carried out in order:
1) the waste old tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 4% simultaneously, the superoxide of 2% and the strengthening agent of 6% also mix, wherein additive is by 0.5% calcium carbonate, 0.5% diatomite, 0.5% magnesiumcarbonate, 0.5% potter's clay, 0.5% Mierocrystalline cellulose, 0.5% calcium sulfate, 0.5% wollastonite and 0.5% titanium dioxide composition, superoxide is by 0.5% dicumyl peroxide, 0.5% tert butyl permaleic acid, 0.5% lauroyl peroxide and 0.5% benzoyl peroxide composition, strengthening agent is by 1.5% white carbon black, 1.5% calcium silicate hydrate, 1.5% carbon black and 1.5% hydrated aluminium silicate composition, powder machine is finally utilized to carry out fine grinding and make meticulous fluororubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen above-mentioned meticulous fluororubber powder, namely make 200 described order fluororubber powder.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. 200 order fluororubber powder working methods, is characterized in that: described working method comprises the following step carried out in order:
1) useless viton tankage are manually carried out color separation processing, then clean and remove impurity, utilize permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add additive, superoxide and strengthening agent simultaneously and mix, finally utilizing powder machine carry out fine grinding and make meticulous fluororubber powder;
6) utilize high frequency vibrating screen to screen above-mentioned meticulous fluororubber powder, namely make 200 described order fluororubber powder.
2. 200 order fluororubber powder working methods according to claim 1, it is characterized in that: described step 5) in add the additive accounting for rubber small-particle total amount 2-4%, the superoxide of 1-2% and the strengthening agent of 3-6% also mix, wherein additive is selected from calcium carbonate, diatomite, magnesiumcarbonate, potter's clay, Mierocrystalline cellulose, calcium sulfate, mica powder, wollastonite, at least four kinds in titanium dioxide and white clay, superoxide is selected from dicumyl peroxide, tert butyl permaleic acid, lauroyl peroxide, at least two kinds in stearoyl and benzoyl peroxide, strengthening agent is selected from white carbon black, calcium silicate hydrate, at least two kinds in carbon black and hydrated aluminium silicate.
3. 200 order fluororubber powder working methods according to claim 1, is characterized in that: described step 6) screen specification of medium-high frequency vibration sieve is DIN4188/mm standard 0.075.
CN201310673569.XA 2013-12-13 2013-12-13 Processing method of 200-mesh fluorine rubber powder Pending CN104710714A (en)

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Application publication date: 20150617