CN109135131A - A kind of super large standard connects mould fluorubber product and its processing technology - Google Patents

A kind of super large standard connects mould fluorubber product and its processing technology Download PDF

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CN109135131A
CN109135131A CN201810863562.7A CN201810863562A CN109135131A CN 109135131 A CN109135131 A CN 109135131A CN 201810863562 A CN201810863562 A CN 201810863562A CN 109135131 A CN109135131 A CN 109135131A
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parts
fluorubber
product
agent
fire retardant
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蔡德扬
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Yangzhong Rubber Plastic Factory Co Ltd
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Yangzhong Rubber Plastic Factory Co Ltd
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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
    • 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
    • C08K3/34—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
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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Abstract

The invention discloses a kind of super large standards to connect mould fluorubber product, the product includes following components according to the mass fraction: fluorubber: 70-80 parts, vulcanizing agent: 5-7 parts, emulsifier: 1-3 parts, molecular weight regulator: 0.5-1 parts, pH adjusting agent: 1-2 parts, water: 40-50 parts, sodium hydroxide: 2-4 parts, spray carbon black: 2-4 parts, initiator: 2-4 parts, magnesia: 5-7 parts, bisphenol AF: 7-9 parts, reinforcing agent: 0.8-1 parts, additive: 0.9-1.5 parts, structure inhibitor: 1-2 parts, fire retardant: 7-9 parts, synergistic fire retardant: 3-5 parts；The present invention also designs the processing technology that a kind of super large standard connects mould fluorubber product, and the processing technology is simple and easy, and the fluorubber product processed has excellent performance, and product quality temperature is good in economic efficiency.

Description

A kind of super large standard connects mould fluorubber product and its processing technology
Technical field
The present invention relates to a kind of fluorubber product and its processing technologys, and in particular to a kind of super large standard connects mould fluorubber system Product and its processing technology.
Background technique
Fluorubber refers to that the synthesis macromolecular elastomer on the carbon atom of main chain or side chain containing fluorine atom, fluorine atom draw Enter, assigns rubber excellent heat resistance, inoxidizability, oil resistivity, corrosion resistance and resistance to weathering, in space flight, aviation, vapour The fields such as vehicle, petroleum and household electrical appliance are widely applied, and are irreplaceable critical material in national defence sophisticated industry, fluorine rubber Glue product also comes into being；
Under current manufacturing condition, each fluorubber product has required a dedicated mold to form a complete production network, Product few for the quantity of client so is just put into very big die cost, and since product specification will lead to greatly Mold is primary successfully difficult, needs even to re-mold by modifying for several times, for the customer fund and time It is all very big waste；Therefore, from product formula to production technology, mold design, overlap processing etc. carries out exploitation and overcomes The project of disadvantages described above becomes those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved by the present invention is to propose a kind of especially big rule for the above disadvantage of the existing technology Lattice connect mould fluorubber product and its processing technology, and the processing technology is simple and easy, and the fluorubber product processed has excellent Performance, product quality temperature are good in economic efficiency.
The technical solution that the present invention solves the above technical problem is:
A kind of super large standard connects mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 70-80 parts, vulcanizing agent: 5-7 parts, emulsifier: 1-3 parts, molecular weight regulator: 0.5-1 parts, pH adjusting agent: 1- 2 parts, water: 40-50 parts, sodium hydroxide: 2-4 parts, spray carbon black: 2-4 parts, initiator: 2-4 parts, magnesia: 5-7 parts, bis-phenol AF:7-9 parts, reinforcing agent: 0.8-1 parts, additive: 0.9-1.5 parts, structure inhibitor: 1-2 parts, fire retardant: 7-9 parts, collaboration resistance Combustion agent: 3-5 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is one of DDM dodecyl mercaptan, isopropanol or malonic acid diethyl rouge；Emulsifier is nonionic emulsifier；PH adjusting agent For dipotassium hydrogen phosphate or disodium hydrogen phosphate；The nanometer calcium carbonate that reinforcing agent is 70-90 nanometers；Additive be diatomite, mica powder, At least two in cellulose, titanium dioxide；Structure inhibitor is hexamethyl cyclotrisilazane, diphenyl silanediol, aminomethyl phenyl At least one of diethoxy silane；Fire retardant is platinum and carbon black, various metal oxides, hydroxide, calcium carbonate, silicon tree The mixture of any one in rouge；Synergistic fire retardant is zinc borate or red phosphorus.
The technical solution that the present invention further limits are as follows:
Aforementioned super large standard connects in mould fluorubber product, and fluorubber is unvulcanized 26 type fluorubber product.
Aforementioned super large standard connects in mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 70 parts, vulcanizing agent: 5 parts, emulsifier: 1 part, molecular weight regulator: 0.5 part, pH adjusting agent: 1 part, water: 40 Part, sodium hydroxide: 2 parts, spray carbon black: 2 parts, initiator: 2 parts, magnesia: 5 parts, bisphenol AF: 7 parts, reinforcing agent: 0.8 part, add Add agent: 0.9 part, structure inhibitor: 1 part, fire retardant: 7 parts, synergistic fire retardant: 3 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is DDM dodecyl mercaptan；Emulsifier is nonionic emulsifier；PH adjusting agent is dipotassium hydrogen phosphate；Reinforcing agent is 70 nanometers Nanometer calcium carbonate；Additive is diatomite and mica powder；Structure inhibitor is hexamethyl cyclotrisilazane；Fire retardant is platinum and charcoal It is black；Synergistic fire retardant is zinc borate.
Aforementioned super large standard connects in mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 80 parts, vulcanizing agent: 7 parts, emulsifier: 3 parts, molecular weight regulator: 1 part, pH adjusting agent: 2 parts, water: 50 parts, Sodium hydroxide: 4 parts, spray carbon black: 4 parts, initiator: 4 parts, magnesia: 7 parts, bisphenol AF: 9 parts, reinforcing agent: 1 part, additive: 1.5 parts, structure inhibitor: 2 parts, fire retardant: 9 parts, synergistic fire retardant: 5 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is isopropanol；Emulsifier is nonionic emulsifier；PH adjusting agent is disodium hydrogen phosphate；The nanometer that reinforcing agent is 90 nanometers Calcium carbonate；Additive is cellulose and titanium dioxide；Structure inhibitor is diphenyl silanediol；Fire retardant is platinum and hydroxide； Synergistic fire retardant is red phosphorus.
Aforementioned super large standard connects in mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 75 parts, vulcanizing agent: 6 parts, emulsifier: 2 parts, molecular weight regulator: 0.8 part, pH adjusting agent: 1.5 parts, water: 45 Part, sodium hydroxide: 3 parts, spray carbon black: 3 parts, initiator: 3 parts, magnesia: 6 parts, bisphenol AF: 8 parts, reinforcing agent: 0.9 part, add Add agent: 1.2 parts, structure inhibitor: 1.5 parts, fire retardant: 8 parts, synergistic fire retardant: 4 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is malonic acid diethyl rouge；Emulsifier is nonionic emulsifier；PH adjusting agent is disodium hydrogen phosphate；Reinforcing agent is 80 nanometers Nanometer calcium carbonate；Additive is mica powder and titanium dioxide；Structure inhibitor is aminomethyl phenyl diethoxy silane；Fire retardant is The mixture of platinum and calcium carbonate；Synergistic fire retardant is red phosphorus.
The present invention also designs the processing technology that a kind of super large standard connects mould fluorubber product, specifically includes the following steps:
(1) fluorubber is placed in vacuum reactor, is then vacuumized, be passed through nitrogen protection, then be filled with into vacuum reactor Fluorine gas gaseous mixture and hydrogen fluoride gas carry out fluorinated modified 2-3h to the surface of fluorubber at 50-60 DEG C, modification can be obtained Fluorubber afterwards；
Fluorine gas gaseous mixture is the gaseous mixture of fluorine gas and nitrogen；
(2) mixing is carried out to step (1) treated fluorubber, smelting temperature is 40-60 DEG C；
(3) vulcanizing agent, emulsifier, molecular weight regulator, pH adjusting agent, water, sodium hydroxide, spray carbon black, initiator, oxygen is added Change magnesium, bisphenol AF, reinforcing agent, additive, structure inhibitor, fire retardant and synergistic fire retardant continuation mixing, smelting temperature do not surpass 100 DEG C are crossed, mixing revolving speed is that 30-33 turns/min；
(4) it is placed after mixing for 24 hours, molding sulfidization molding is carried out to the rubber after mixing, rubber product is made, in which:
Vulcanized using vulcanizing press, the adjusting gauge pressure for setting vulcanizing press keeps 100-150kgf/cm2, plate sulphur At 170 DEG C, lower plate temperatures are controlled at 180 DEG C for the upper plate temperature control of change machine, are vented 2-3 times in sulfidation, in adjusting table Pressure makes compression molding molding vulcanization 7min, is then opened, demoulds molding rubber mass, is cooled and shaped rubber mass；
(5) molding rubber product is placed in heating system, is heated up, is risen to 1.5 degrees/min of heating rate After 100 DEG C, then it is warming up to 200 DEG C at a same speed, Hui Leng up to super large standard connects mould fluorubber after then keeping the temperature 18-20h Product.
Aforementioned super large standard connects the processing technology of mould fluorubber product and opens when step (4) is pressed and molded in both mold ends Mouthful, one end of vulcanizing press also adds cooling water.
Technical effect is open to mold, facilitates and carries out connecing modulo operation, is open in both mold ends, convenient for the viscous of product It connects, installs cooling water additional in one end of vulcanizing press, reduce temperature of heating plate, the rubber compound stayed at mould openings is allowed to be in half Sulfided state.
Aforementioned super large standard connects the processing technology of mould fluorubber product, and the super large standard processed connects mould fluorubber product Performance is specific as follows:
Tensile strength 20-23MPa, elongation at break 300-330%, hardness 70-72HA, while compression set value is 30-33%。
The beneficial effects of the present invention are:
The present invention can generate the hydrogen fluoride gas of catalytic action using containing in fluorine gas gaseous mixture, thus not only can effectively improve The fluorination rates in fluorination stage shorten process cycle, reduce production cost, can also be achieved at online scale continuous surface fluorination Reason；
Since fluorubber provided by the invention is the fluorubber that its surface has high fluorine content, thus it has not only filled up existing at present Having technology, there are no the blank of the fluorubber of the high fluorine content in surface, and can be while not influencing fluorubber bulk properties, hence it is evident that The coefficient of friction on fluorubber surface is reduced, fluorubber abrasion resistance properties and anti-aging property are enhanced, extends making for fluorubber product With the service life, the competitiveness in its added value and market is greatly improved.
Since the present invention is that fluorubber is carried out surface fluorination chemical reaction with fluorine gas under certain process conditions to make The standby fluorubber with high fluorine content, thus surface difference not only can be neatly prepared by the control to direct flaorination process The serial fluorubber of fluorine content, different surfaces performance, and simple process is controllable, and cost is relatively low, has stronger application prospect.
Reinforcing agent of the invention uses 70-90 nanometers of nanometer calcium carbonate, and reinforcing property is good, the fluorine rubber made of the present invention Glue product strength is higher, and intensity is greater than 12MPa, and the higher fluorubber product of intensity can fully play the superiority of fluorubber Can, meet requirement；
The present invention improves the performance of product by adjusting product formula and processing technology, improves product hardness, drops low compression set Proportion of deformation extends the service life of product.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of super large standards to connect mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 70 parts, vulcanizing agent: 5 parts, emulsifier: 1 part, molecular weight regulator: 0.5 part, pH adjusting agent: 1 part, water: 40 Part, sodium hydroxide: 2 parts, spray carbon black: 2 parts, initiator: 2 parts, magnesia: 5 parts, bisphenol AF: 7 parts, reinforcing agent: 0.8 part, add Add agent: 0.9 part, structure inhibitor: 1 part, fire retardant: 7 parts, synergistic fire retardant: 3 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is DDM dodecyl mercaptan；Emulsifier is nonionic emulsifier；PH adjusting agent is dipotassium hydrogen phosphate；Reinforcing agent is 70 nanometers Nanometer calcium carbonate；Additive is diatomite and mica powder；Structure inhibitor is hexamethyl cyclotrisilazane；Fire retardant is platinum and charcoal It is black；Synergistic fire retardant is zinc borate.
Above-mentioned super large standard connects the processing technology of mould fluorubber product, specifically includes the following steps:
(1) fluorubber is placed in vacuum reactor, is then vacuumized, be passed through nitrogen protection, then be filled with into vacuum reactor Fluorine gas gaseous mixture and hydrogen fluoride gas carry out fluorinated modified 2h to the surface of fluorubber at 50 DEG C, can be obtained modified Fluorubber；
Fluorine gas gaseous mixture is the gaseous mixture of fluorine gas and nitrogen；
(2) mixing is carried out to step (1) treated fluorubber, smelting temperature is 40 DEG C；
(3) vulcanizing agent, emulsifier, molecular weight regulator, pH adjusting agent, water, sodium hydroxide, spray carbon black, initiator, oxygen is added Change magnesium, bisphenol AF, reinforcing agent, additive, structure inhibitor, fire retardant and synergistic fire retardant continuation mixing, smelting temperature do not surpass 100 DEG C are crossed, mixing revolving speed is 30 turns/min；
(4) it is placed after mixing for 24 hours, molding sulfidization molding is carried out to the rubber after mixing, rubber product is made, in which:
Vulcanized using vulcanizing press, the adjusting gauge pressure for setting vulcanizing press keeps 100kgf/cm2, vulcanizing press The control of upper plate temperature at 170 DEG C, lower plate temperatures are controlled at 180 DEG C, are vented 2 times in sulfidation, are made in the case where adjusting gauge pressure Compression molding molding vulcanization 7min, is then opened, demoulds molding rubber mass, be cooled and shaped rubber mass；
(5) molding rubber product is placed in heating system, is heated up, is risen to 1.5 degrees/min of heating rate After 100 DEG C, then it is warming up to 200 DEG C at a same speed, Hui Leng up to super large standard connects mould fluorubber system after then keeping the temperature 18h Product.
In the present embodiment, it when step (4) is pressed and molded, is open in both mold ends, one end of vulcanizing press also installs additional There is cooling water；
The present embodiment, the performance that the super large standard processed connects mould fluorubber product are specific as follows: tensile strength 20MPa is pulled apart Elongation is 300%, hardness 70HA, while compression set value is 30%.
Embodiment 2
The present embodiment provides a kind of super large standards to connect mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 80 parts, vulcanizing agent: 7 parts, emulsifier: 3 parts, molecular weight regulator: 1 part, pH adjusting agent: 2 parts, water: 50 parts, Sodium hydroxide: 4 parts, spray carbon black: 4 parts, initiator: 4 parts, magnesia: 7 parts, bisphenol AF: 9 parts, reinforcing agent: 1 part, additive: 1.5 parts, structure inhibitor: 2 parts, fire retardant: 9 parts, synergistic fire retardant: 5 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is isopropanol；Emulsifier is nonionic emulsifier；PH adjusting agent is disodium hydrogen phosphate；The nanometer that reinforcing agent is 90 nanometers Calcium carbonate；Additive is cellulose and titanium dioxide；Structure inhibitor is diphenyl silanediol；Fire retardant is platinum and hydroxide； Synergistic fire retardant is red phosphorus.
Above-mentioned super large standard connects the processing technology of mould fluorubber product, specifically includes the following steps:
(1) fluorubber is placed in vacuum reactor, is then vacuumized, be passed through nitrogen protection, then be filled with into vacuum reactor Fluorine gas gaseous mixture and hydrogen fluoride gas carry out fluorinated modified 2-3h to the surface of fluorubber at 60 DEG C, can be obtained modified Fluorubber；
Fluorine gas gaseous mixture is the gaseous mixture of fluorine gas and nitrogen；
(2) mixing is carried out to step (1) treated fluorubber, smelting temperature is 60 DEG C；
(3) vulcanizing agent, emulsifier, molecular weight regulator, pH adjusting agent, water, sodium hydroxide, spray carbon black, initiator, oxygen is added Change magnesium, bisphenol AF, reinforcing agent, additive, structure inhibitor, fire retardant and synergistic fire retardant continuation mixing, smelting temperature do not surpass 100 DEG C are crossed, mixing revolving speed is 33 turns/min；
(4) it is placed after mixing for 24 hours, molding sulfidization molding is carried out to the rubber after mixing, rubber product is made, in which:
Vulcanized using vulcanizing press, the adjusting gauge pressure for setting vulcanizing press keeps 150kgf/cm2, vulcanizing press The control of upper plate temperature at 170 DEG C, lower plate temperatures are controlled at 180 DEG C, are vented 3 times in sulfidation, are made in the case where adjusting gauge pressure Compression molding molding vulcanization 7min, is then opened, demoulds molding rubber mass, be cooled and shaped rubber mass；
(5) molding rubber product is placed in heating system, is heated up, is risen to 1.5 degrees/min of heating rate After 100 DEG C, then it is warming up to 200 DEG C at a same speed, Hui Leng up to super large standard connects mould fluorubber system after then keeping the temperature 120h Product.
In the present embodiment, it is open in both mold ends, one end of vulcanizing press also adds cooling water.
The present embodiment, the performance that the super large standard processed connects mould fluorubber product are specific as follows: tensile strength 23MPa, Elongation at break is 330%, hardness 72HA, while compression set value is 33%.
Embodiment 3
The present embodiment provides a kind of super large standards to connect mould fluorubber product, which includes following components according to the mass fraction:
Fluorubber: 75 parts, vulcanizing agent: 6 parts, emulsifier: 2 parts, molecular weight regulator: 0.8 part, pH adjusting agent: 1.5 parts, water: 45 Part, sodium hydroxide: 3 parts, spray carbon black: 3 parts, initiator: 3 parts, magnesia: 6 parts, bisphenol AF: 8 parts, reinforcing agent: 0.9 part, add Add agent: 1.2 parts, structure inhibitor: 1.5 parts, fire retardant: 8 parts, synergistic fire retardant: 4 parts；
Vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；Initiator is benzoyl peroxide；Molecular weight tune Section agent is malonic acid diethyl rouge；Emulsifier is nonionic emulsifier；PH adjusting agent is disodium hydrogen phosphate；Reinforcing agent is 80 nanometers Nanometer calcium carbonate；Additive is mica powder and titanium dioxide；Structure inhibitor is aminomethyl phenyl diethoxy silane；Fire retardant is The mixture of platinum and calcium carbonate；Synergistic fire retardant is red phosphorus.
Above-mentioned super large standard connects the processing technology of mould fluorubber product, specifically includes the following steps:
(1) fluorubber is placed in vacuum reactor, is then vacuumized, be passed through nitrogen protection, then be filled with into vacuum reactor Fluorine gas gaseous mixture and hydrogen fluoride gas carry out fluorinated modified 2.5h to the surface of fluorubber at 55 DEG C, can be obtained modified Fluorubber；
Fluorine gas gaseous mixture is the gaseous mixture of fluorine gas and nitrogen；
(2) mixing is carried out to step (1) treated fluorubber, smelting temperature is 50 DEG C；
(3) vulcanizing agent, emulsifier, molecular weight regulator, pH adjusting agent, water, sodium hydroxide, spray carbon black, initiator, oxygen is added Change magnesium, bisphenol AF, reinforcing agent, additive, structure inhibitor, fire retardant and synergistic fire retardant continuation mixing, smelting temperature do not surpass 100 DEG C are crossed, mixing revolving speed is 32 turns/min；
(4) it is placed after mixing for 24 hours, molding sulfidization molding is carried out to the rubber after mixing, rubber product is made, in which:
Vulcanized using vulcanizing press, the adjusting gauge pressure for setting vulcanizing press keeps 130kgf/cm2, vulcanizing press The control of upper plate temperature at 170 DEG C, lower plate temperatures are controlled at 180 DEG C, are vented 2 times in sulfidation, are made in the case where adjusting gauge pressure Compression molding molding vulcanization 7min, is then opened, demoulds molding rubber mass, be cooled and shaped rubber mass；
(5) molding rubber product is placed in heating system, is heated up, is risen to 1.5 degrees/min of heating rate After 100 DEG C, then it is warming up to 200 DEG C at a same speed, Hui Leng up to super large standard connects mould fluorubber system after then keeping the temperature 19h Product.
In the present embodiment, it is open in both mold ends, one end of vulcanizing press also adds cooling water.
The present embodiment, the performance that the super large standard processed connects mould fluorubber product are specific as follows: tensile strength 22MPa, Elongation at break is 320%, hardness 71HA, while compression set value is 32%.
It reduces release agent or the dosage without release agent on the original basis for product formula, guarantees product connector Peel strength reaches 10Mpa, specifies production technology, and curing temperature, time, pressure are completely the same, it is ensured that product no color differnece passes through It is big that our independent research solves the problems, such as that client's sample is put into, and ensure that product quality and delivery date, while being also company It has breakthrough in the seriation of fluorubber product, brings good economic benefit.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (8)

1. a kind of super large standard connects mould fluorubber product, it is characterised in that: the product includes following components according to the mass fraction:
Fluorubber: 70-80 parts, vulcanizing agent: 5-7 parts, emulsifier: 1-3 parts, molecular weight regulator: 0.5-1 parts, pH adjusting agent: 1- 2 parts, water: 40-50 parts, sodium hydroxide: 2-4 parts, spray carbon black: 2-4 parts, initiator: 2-4 parts, magnesia: 5-7 parts, bis-phenol AF:7-9 parts, reinforcing agent: 0.8-1 parts, additive: 0.9-1.5 parts, structure inhibitor: 1-2 parts, fire retardant: 7-9 parts, collaboration resistance Combustion agent: 3-5 parts；
The vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；The initiator is benzoyl peroxide Formyl；The molecular weight regulator is one of DDM dodecyl mercaptan, isopropanol or malonic acid diethyl rouge；The emulsifier is Nonionic emulsifier；The pH adjusting agent is dipotassium hydrogen phosphate or disodium hydrogen phosphate；The reinforcing agent is 70-90 nanometers Nanometer calcium carbonate；The additive is diatomite, mica powder, cellulose, at least two in titanium dioxide；The structure Inhibitor is at least one of hexamethyl cyclotrisilazane, diphenyl silanediol, aminomethyl phenyl diethoxy silane；It is described Fire retardant is the mixture of platinum with any one in carbon black, various metal oxides, hydroxide, calcium carbonate, silicone resin；It is described Synergistic fire retardant be zinc borate or red phosphorus.
2. super large standard according to claim 1 connects mould fluorubber product, it is characterised in that: the fluorubber is non-sulphur The 26 type fluorubber products changed.
3. super large standard according to claim 2 connects mould fluorubber product, it is characterised in that: the product is according to the mass fraction Including following components:
Fluorubber: 70 parts, vulcanizing agent: 5 parts, emulsifier: 1 part, molecular weight regulator: 0.5 part, pH adjusting agent: 1 part, water: 40 Part, sodium hydroxide: 2 parts, spray carbon black: 2 parts, initiator: 2 parts, magnesia: 5 parts, bisphenol AF: 7 parts, reinforcing agent: 0.8 part, add Add agent: 0.9 part, structure inhibitor: 1 part, fire retardant: 7 parts, synergistic fire retardant: 3 parts；
The vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；The initiator is benzoyl peroxide Formyl；The molecular weight regulator is DDM dodecyl mercaptan；The emulsifier is nonionic emulsifier；The pH adjusting agent For dipotassium hydrogen phosphate；The nanometer calcium carbonate that the reinforcing agent is 70 nanometers；The additive is diatomite and mica powder；Institute The structure inhibitor stated is hexamethyl cyclotrisilazane；The fire retardant is platinum and carbon black；The synergistic fire retardant is boric acid Zinc.
4. super large standard according to claim 2 connects mould fluorubber product, it is characterised in that: the product is according to the mass fraction Including following components:
Fluorubber: 80 parts, vulcanizing agent: 7 parts, emulsifier: 3 parts, molecular weight regulator: 1 part, pH adjusting agent: 2 parts, water: 50 parts, Sodium hydroxide: 4 parts, spray carbon black: 4 parts, initiator: 4 parts, magnesia: 7 parts, bisphenol AF: 9 parts, reinforcing agent: 1 part, additive: 1.5 parts, structure inhibitor: 2 parts, fire retardant: 9 parts, synergistic fire retardant: 5 parts；
The vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；The initiator is benzoyl peroxide Formyl；The molecular weight regulator is isopropanol；The emulsifier is nonionic emulsifier；The pH adjusting agent is phosphorus Sour disodium hydrogen；The nanometer calcium carbonate that the reinforcing agent is 90 nanometers；The additive is cellulose and titanium dioxide；Described Structure inhibitor is diphenyl silanediol；The fire retardant is platinum and hydroxide；The synergistic fire retardant is red phosphorus.
5. super large standard according to claim 2 connects mould fluorubber product, it is characterised in that: the product is according to the mass fraction Including following components:
Fluorubber: 75 parts, vulcanizing agent: 6 parts, emulsifier: 2 parts, molecular weight regulator: 0.8 part, pH adjusting agent: 1.5 parts, water: 45 Part, sodium hydroxide: 3 parts, spray carbon black: 3 parts, initiator: 3 parts, magnesia: 6 parts, bisphenol AF: 8 parts, reinforcing agent: 0.9 part, add Add agent: 1.2 parts, structure inhibitor: 1.5 parts, fire retardant: 8 parts, synergistic fire retardant: 4 parts；
The vulcanizing agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；The initiator is benzoyl peroxide Formyl；The molecular weight regulator is malonic acid diethyl rouge；The emulsifier is nonionic emulsifier；The pH is adjusted Agent is disodium hydrogen phosphate；The nanometer calcium carbonate that the reinforcing agent is 80 nanometers；The additive is mica powder and titanium dioxide； The structure inhibitor is aminomethyl phenyl diethoxy silane；The fire retardant is the mixture of platinum and calcium carbonate；Described Synergistic fire retardant is red phosphorus.
6. super large standard as claimed in any one of claims 1-5 connects the processing technology of mould fluorubber product, special Sign is, specifically includes the following steps:
(1) fluorubber is placed in vacuum reactor, is then vacuumized, be passed through nitrogen protection, then be filled with into vacuum reactor Fluorine gas gaseous mixture and hydrogen fluoride gas carry out fluorinated modified 2-3h to the surface of fluorubber at 50-60 DEG C, modification can be obtained Fluorubber afterwards；
The fluorine gas gaseous mixture is the gaseous mixture of fluorine gas and nitrogen；
(2) mixing is carried out to step (1) treated fluorubber, smelting temperature is 40-60 DEG C；
(3) vulcanizing agent, emulsifier, molecular weight regulator, pH adjusting agent, water, sodium hydroxide, spray carbon black, initiator, oxygen is added Change magnesium, bisphenol AF, reinforcing agent, additive, structure inhibitor, fire retardant and synergistic fire retardant continuation mixing, smelting temperature do not surpass 100 DEG C are crossed, mixing revolving speed is that 30-33 turns/min；
(4) it is placed after mixing for 24 hours, molding sulfidization molding is carried out to the rubber after mixing, rubber product is made, in which:
Vulcanized using vulcanizing press, the adjusting gauge pressure for setting vulcanizing press keeps 100-150kgf/cm2, the plate At 170 DEG C, lower plate temperatures are controlled at 180 DEG C, are vented 2-3 times in sulfidation, described for the upper plate temperature control of vulcanizer Make the compression molding molding vulcanization 7min under adjusting gauge pressure, is then opened, demoulds molding rubber mass, be cooled and shaped rubber Material；
(5) molding rubber product is placed in heating system, is heated up, is risen to 1.5 degrees/min of heating rate After 100 DEG C, then it is warming up to 200 DEG C at a same speed, Hui Leng up to super large standard connects mould fluorubber after then keeping the temperature 18-20h Product.
7. the processing technology that super large standard according to claim 6 connects mould fluorubber product, it is characterised in that: step (4) When compression molding, it is open in both mold ends, one end of vulcanizing press also adds cooling water.
8. the processing technology that super large standard according to claim 6 connects mould fluorubber product, it is characterised in that: process The performance that super large standard connects mould fluorubber product is specific as follows:
Tensile strength 20-23MPa, elongation at break 300-330%, hardness 70-72HA, while compression set value is 30-33%。
CN201810863562.7A 2018-08-01 2018-08-01 A kind of super large standard connects mould fluorubber product and its processing technology Pending CN109135131A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108171A (en) * 2011-04-07 2011-06-29 铁岭福神橡胶密封有限责任公司 Formula of high-strength fluororubber product material
CN103224576A (en) * 2013-04-28 2013-07-31 四川大学 Fluorine rubber with high fluorine content on surface, and preparation method thereof
CN104140621A (en) * 2014-07-20 2014-11-12 蔡德扬 Automobile fuel pump O-shaped sealing ring and manufacturing method thereof
CN104672916A (en) * 2015-03-11 2015-06-03 江苏欣安新材料技术有限公司 Porcelainized, flame-retardant and fire-proof silicone rubber composite material and preparation technology thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108171A (en) * 2011-04-07 2011-06-29 铁岭福神橡胶密封有限责任公司 Formula of high-strength fluororubber product material
CN103224576A (en) * 2013-04-28 2013-07-31 四川大学 Fluorine rubber with high fluorine content on surface, and preparation method thereof
CN104140621A (en) * 2014-07-20 2014-11-12 蔡德扬 Automobile fuel pump O-shaped sealing ring and manufacturing method thereof
CN104672916A (en) * 2015-03-11 2015-06-03 江苏欣安新材料技术有限公司 Porcelainized, flame-retardant and fire-proof silicone rubber composite material and preparation technology thereof

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