CN108329604A - A kind of liquid shell rubber pneumatic bag formula and preparation method thereof - Google Patents
A kind of liquid shell rubber pneumatic bag formula and preparation method thereof Download PDFInfo
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- CN108329604A CN108329604A CN201810085233.4A CN201810085233A CN108329604A CN 108329604 A CN108329604 A CN 108329604A CN 201810085233 A CN201810085233 A CN 201810085233A CN 108329604 A CN108329604 A CN 108329604A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
- B29L2022/027—Air bags
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- 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
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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Thermal Sciences (AREA)
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Abstract
The invention discloses a kind of liquid shell rubber pneumatic bag formulas and preparation method thereof, belong to rubber industry field.Its formula composition is by mass parts：100 parts of EPDM, 1~5 part of crosslinking agent, 0.2~3 part of sulphur, 1~3 part of 38 parts of ZnO, SA, 0.5 ~ 2 part of anti-aging agent, 5 10 parts of 30 40 parts of softening agent A, tackifier A, 45~60 parts of carbon black, 25 35 parts of clay.The air bag collapsible volume of the present invention answers >=0.9L, by the pressure testing of 2.5MPa, can pressurize 5min, work normally under conditions of 10 DEG C~+60 DEG C, fully meet requirement of the liquid shell to air bag.
Description
Technical field
The present invention relates to a kind of liquid shell rubber pneumatic bag formulas and preparation method thereof, belong to rubber capsule manufacturing technology neck
Domain.
Background technology
Liquid explosives are filled in liquid shell, when transport, collision, high temperature, liquid explosives volume easily expands, and causes
Explosion.Rubber material itself has stronger elasticity, is fabricated to after air bag with retractility strong, high voltage bearing performance, is put into liquid
Liquid explosives are effectively relieved in body bullet due to risk of explosion caused by volume expansion.
The patent document of notification number CN104177739B discloses a kind of preparation side of vertical drilling tool rubber oil sac
Method, which uses fluorubber, by oil sac metal mouth end, oil sac rubber ends step up cure, then by metal mouth end and rubber ends
Both ends are docked, the bonding of brushing adhesive bonds, reinflated once to be vulcanized on vulcanizer, baking oven post-cure.
The patent document of notification number CN104097696A discloses armored vehicle power hatch gas-flow closure band preparation method.
It uses natural rubber, and inner glue layer, buffering enhancement layer, outer glue-line etc. are taken in preforming rear merging particular manufacturing craft, vulcanized
Integral inflating vulcanization is made in tank.
It is found through inquiry, the existing patent about capsule, usually step up cure, then carries out docking combination, be not directed to whole
The vulcanization of body vulcanization.The patent of other products of the overall sulfur mode of production that can refer to uses sulfurizing pot vulcanization, does not adopt
Die Casting is carried out with vulcanization board.Existing patent is usually application of the fluorubber on capsule, less to relate to capsule relevant three
The patent of first EP rubbers formula.
Invention content
The purpose of the present invention is to provide a kind of liquid shell rubber pneumatic bag formula and preparation method thereof, formula includes such as
The raw material of lower mass parts：
100 parts of ethylene propylene diene rubber, 1~5 part of crosslinking agent, 0.2~3 part of sulphur, 1~3 part of 3-8 parts of ZnO, SA prevent old
0.5~2 part of agent, 5-10 parts of 30-40 parts of softening agent A, tackifier A, 45~60 parts of carbon black, 25-35 parts of clay.
The ethylene propylene diene rubber is EPDM 4046.
The crosslinking agent is peroxide cross-linking agent.
The softening agent A is paraffin oil.
The tackifier A is terpene resin.
The carbon black is high wear-resistant carbon black, and grain size is 26~30nm, 80~110m of specific surface area2/ g, oxygen content 0.5%
~1.0%, hydrogen content 0.27%~0.34%, density 1.7-2.0g/cm3。
The anti-aging agent is antioxidant MB.
The preparation method of liquid shell rubber pneumatic bag of the present invention, includes the following steps：
Step 1：The making of rubber compound
Raw rubber is plasticated, and tackifier A, zinc oxide, stearic acid, anti-aging agent, clay, carbon black and the softening agent of half quality is added
A turns refining, and adds remaining clay, carbon black and softening agent A, adds sulphur and crosslinking agent, turns refining, and is kneaded uniform；
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9 ± 0.5 ㎜, cut-parts, film size should be controlled in radius 135mm；
Step 3：It is preforming
Two panels film is put into upper/lower die respectively, with upper and lower two kinds of wooden model pressures, ensures that remaining glue height is higher by mold
2mm takes out wooden model；
Step 4：Brush bonding agent
Kai Muluoke bonding agents are painted on the joint face of glue, will load onto film in the intermediate core of mold；
Step 5：Vulcanization
Molding, high pressure gas is filled with into air bag, is vulcanized, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature, pressure 12~
15Mpa, air press 4~5Mpa；
Step 6：Glue vulcanizes
The glue at gas nozzle, vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
It is preforming with wooden model in the step 3, interleaving agent talcum powder is spread on film.
Technical scheme of the present invention uses the liquid shell rubber pneumatic bag formula and the liquid shell being prepared to use rubber
Application of the glue air bag on rocket gun air bag.
The beneficial effects of the invention are as follows：The present invention is applied in a kind of liquid shell, minimum cylinder volume >=0.9L, by 2.5MPa's
Pressure testing, can pressurize 5min, work normally under conditions of -10 DEG C~+60 DEG C, fully meet such liquid shell and air bag is wanted
It asks.
Description of the drawings
Fig. 1 is the rubber pneumatic bag product structure schematic diagram of the present invention.
Fig. 2 is the mold structure diagram of the present invention.
Fig. 3 is the wood model structure schematic diagram of the present invention.
1-rubber pneumatic bag, 2-gas nozzles, 3-backing plates, 4-lower templates, 5-cope plates, 6-guide posts, 7-wooden models 1,8-
Wooden model 2.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description：
As shown in Figs. 1-3, formula includes the raw material of following mass parts：
100 parts of ethylene propylene diene rubber, 1~5 part of crosslinking agent, 0.2~3 part of sulphur, 1~3 part of 3-8 parts of ZnO, SA prevent old
0.5~2 part of agent, 5-10 parts of 30-40 parts of softening agent A, tackifier A, 45~60 parts of carbon black, 25-35 parts of clay.
The ethylene propylene diene rubber is EPDM 4046.
The crosslinking agent is peroxide cross-linking agent.
The softening agent A is paraffin oil.
The tackifier A is terpene resin.
The carbon black is high wear-resistant carbon black.
The anti-aging agent is antioxidant MB.
Liquid shell rubber pneumatic bag preparation method, includes the following steps：
Step 1：The making of rubber compound
Raw rubber is plasticated, and tackifier A is added, zinc oxide, stearic acid is added, adds anti-aging agent, clay, the charcoal of half quality
Black and softening agent A turns refining, and adds remaining clay, carbon black and softening agent A, adds sulphur and crosslinking agent, turns refining,
It is kneaded uniform.
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9±0.5㎜.Cut-parts, film size should be controlled in radius 135mm.
Step 3：It is preforming
Two panels film is put into upper/lower die respectively, with upper and lower two kinds of wooden model pressures.Ensure that remaining glue height is higher by mold 2mm
It is advisable, takes out wooden model.
Step 4：Brush bonding agent
Kai Muluoke bonding agents are painted on the joint face of glue.Film will be loaded onto in the intermediate core of mold.
Step 5：Vulcanization
Molding, is filled with high pressure gas at gas nozzle into air bag, vulcanizes, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature,
12~15Mpa of pressure, air press 4~5Mpa.
Step 6：Glue vulcanizes
The glue at gas nozzle, vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
Liquid shell rubber pneumatic bag, is deposited in liquid explosives, it is contemplated that the special working environment of liquid explosives needs glue
Material has a stronger chemical resistance, higher thermal stability, has stronger elastic force, pressure-resistant performance and preferable
Processing performance considers selection ethylene propylene diene rubber.Tackifier A has been selected, the tack of ethylene propylene diene rubber is enhanced.Selection
Compatibility preferable softening agent A, enhances the mobile performance of sizing material.Add the strength of high wear-resistant carbon black enhancing sizing material, enhancing
Product pressure resistance.The heat oxygen aging resistance of antioxidant MB enhancing sizing material is added.Using size performing, then fill high pressure gas vulcanization
Mode, in contrast to divide partial vulcanization in conjunction with reducing the defect of die joint.
The ethylene propylene diene rubber is EPDM 4046, and the crosslinking agent is peroxide cross-linking agent, the softening agent A
For paraffin oil, the tackifier A is terpene resin, and the carbon black is high wear-resistant carbon black, and the anti-aging agent is antioxidant MB.
Specifically, its preparation process is as follows：
Step 1：The making of rubber compound
Raw rubber is plasticated, and tackifier A is added, zinc oxide, stearic acid is added, adds anti-aging agent, half clay, carbon black and soft
Agent A turns refining, and adds remaining clay, carbon black and softening agent A, adds sulphur and crosslinking agent, turns refining, and is kneaded equal
It is even.
Calendering process is shown in Table 1.
1 calendering process of table
| Serial number | Charging sequence | Roll spacing：㎜ | Time：min |
| 1 | Raw rubber is plasticated | 1 | 8 |
| 2 | Tackifier A | 6 | 3 |
| 3 | Zinc oxide, stearic acid | 6 | 2 |
| 4 | Antioxidant MB | 6 | 2 |
| 5 | Add 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 6 | Another 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 7 | Sulphur | 6 | 2 |
| 8 | Crosslinking agent | 6 | 4 |
| 9 | Mixing eight is knife | 6 | 8 |
| 10 | It is thin to lead to three times | 1 | 6 |
| 11 | Put thick pressing bottom sheet | 9 | 3 |
Note：1. being kneaded roller temperature：50 ± 5 DEG C of preliminary roller；55 ± 5 DEG C of back roller.
2. cooling use calcium carbonate cooling water, impregnate and be no less than 15min, hanger air-dries.
3. bin aging is no more than 2 months.
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9±0.5㎜.Cut-parts, film size should be controlled in radius 135mm.
Step 3：It is preforming
Two panels film is put into upper/lower die respectively, is put on 600 × 600 vulcanizing presses, with upper and lower two kinds of wooden models
Pressure.Ensure that remaining glue height is higher by mold 2mm and is advisable, takes out wooden model.
Step 4：Brush bonding agent
220 bonding agents of Kai Muluoke are painted on the joint face of glue.Film will be loaded onto in the intermediate core of mold.
Step 5：Vulcanization
Molding, is filled with high pressure gas at gas nozzle into air bag, vulcanizes, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature,
Pressure 13Mpa, air press 4.5Mpa.
Step 6：Glue vulcanizes
The glue at gas nozzle, vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
In conjunction with embodiment, attached drawing, the invention will be further described：
Embodiment 1-3 sizing compound formula tables are shown in Table 2.
2 sizing compound formula table of table
| Serial number | Title material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 1 | EPDM 4046 | 100 | 100 | 100 |
| 2 | Crosslinking agent | 5 | 2 | 2 |
| 3 | Sulphur | 0.6 | 3 | 3 |
| 4 | ZnO | 5 | 5 | 5 |
| 5 | SA | 1 | 1 | 1 |
| 6 | Antioxidant MB | 1 | 1 | 1 |
| 7 | Paraffin oil 300# | 35 | 35 | 35 |
| 8 | Terpene resin | 8 | 8 | 8 |
| 9 | Carbon black | 65 | 65 | 50 |
| 10 | Clay | 30 | 30 | 30 |
| 11 | It is total | 250.6 | 250 | 235 |
Note：1 EPDM is Wuhan century Jun Yue limited rubbers company 4046；2 clay wash one's hair kaolin for Yidu City three to be had
The production of limit company, rank XT- (D) 0.
Embodiment 1：
Step 1：The making of rubber compound
It is formulated by embodiment 1, first raw rubber is plasticated, tackifier A is added, zinc oxide, stearic acid is added, adds and prevents always
Agent, half clay, carbon black and softening agent A turn refining, and add remaining clay, carbon black and softening agent A, add sulphur and friendship
Join agent, turn refining, is kneaded uniform.
Can calendering process (give a specific value)
| Serial number | Charging sequence | Roll spacing：㎜ | Time：min |
| 1 | Raw rubber is plasticated | 1 | 8 |
| 2 | Tackifier A | 6 | 3 |
| 3 | Zinc oxide, stearic acid | 6 | 2 |
| 4 | Antioxidant MB | 6 | 2 |
| 5 | Add 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 6 | Another 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 7 | Sulphur | 6 | 2 |
| 8 | Crosslinking agent | 6 | 4 |
| 9 | Mixing eight is knife | 6 | 8 |
| 10 | It is thin to lead to three times | 1 | 6 |
| 11 | Put thick pressing bottom sheet | 9 | 3 |
Note：1. being kneaded roller temperature：50 ± 5 DEG C of preliminary roller；55 ± 5 DEG C of back roller.
2. cooling use calcium carbonate cooling water, impregnate and be no less than 15min, hanger air-dries.
3. bin aging is no more than 2 months.
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9±0.5㎜.Cut-parts, film size should be controlled in radius 135mm.
Step 3：It is preforming
A piece of film is put into upper mold (Fig. 2) respectively, interleaving agent talcum powder is sprinkled on glue, (Fig. 3) is pressed with wooden model 1.
A piece of film is put into lower mold (Fig. 2) respectively, interleaving agent talcum powder wooden model 2 (Fig. 3) pressure is sprinkled on glue.Ensure that remaining glue is high
Degree, which is higher by mold 2mm, to be advisable, and takes out wooden model.
Step 4：Brush bonding agent
220 bonding agents of Kai Muluoke are painted on the joint face of glue.Film will be loaded onto in the intermediate core of mold.
Step 5：Vulcanization
Molding, is filled with high pressure gas at gas nozzle into air bag, vulcanizes, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature,
Pressure 13Mpa, air press 4.5Mpa.
Step 6：Glue vulcanizes
Rubber compound is dried in 90 DEG C of baking oven 10min softenings, by this glue at gas nozzle glue, be then put into mold 2
Vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
Embodiment 2：
Step 1：The making of rubber compound
It is formulated by embodiment 2, first raw rubber is plasticated, tackifier A is added, zinc oxide, stearic acid is added, adds and prevents always
Agent, half clay, carbon black and softening agent A turn refining, and add remaining clay, carbon black and softening agent A, add sulphur and friendship
Join agent, turn refining, is kneaded uniform.
Calendering process
| Serial number | Charging sequence | Roll spacing：㎜ | Time：min |
| 1 | Raw rubber is plasticated | 1 | 8 |
| 2 | Tackifier A | 6 | 3 |
| 3 | Zinc oxide, stearic acid | 6 | 2 |
| 4 | Antioxidant MB | 6 | 2 |
| 5 | Add 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 6 | Another 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 7 | Sulphur | 6 | 2 |
| 8 | Crosslinking agent | 6 | 4 |
| 9 | Mixing eight is knife | 6 | 8 |
| 10 | It is thin to lead to three times | 1 | 6 |
| 11 | Put thick pressing bottom sheet | 9 | 3 |
Note：1. being kneaded roller temperature：50 ± 5 DEG C of preliminary roller；55 ± 5 DEG C of back roller.
2. cooling use calcium carbonate cooling water, impregnate and be no less than 15min, hanger air-dries.
3. bin aging is no more than 2 months.
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9±0.5㎜.Cut-parts, film size should be controlled in radius 135mm.
Step 3：It is preforming
A piece of film is put into upper mold (Fig. 2) respectively, interleaving agent talcum powder is sprinkled on glue, (Fig. 3) is pressed with wooden model 1.
A piece of film is put into lower mold (Fig. 2) respectively, interleaving agent talcum powder wooden model 2 (Fig. 3) pressure is sprinkled on glue.Ensure that remaining glue is high
Degree, which is higher by mold 2mm, to be advisable, and takes out wooden model.
Step 4：Brush bonding agent
220 bonding agents of Kai Muluoke are painted on the joint face of glue.Film will be loaded onto in the intermediate core of mold.
Step 5：Vulcanization
Molding, is filled with high pressure gas at gas nozzle into air bag, vulcanizes, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature,
Pressure 13Mpa, air press 4.5Mpa.
Step 6：Glue vulcanizes
Rubber compound is dried in 90 DEG C of baking oven 10min softenings, by this glue at gas nozzle glue, be then put into mold 2
Vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
Embodiment 3：
Step 1：The making of rubber compound
It is formulated by embodiment 3, first raw rubber is plasticated, tackifier A is added, zinc oxide, stearic acid is added, adds and prevents always
Agent, half clay, carbon black and softening agent A turn refining, and add remaining clay, carbon black and softening agent A, add sulphur and friendship
Join agent, turn refining, is kneaded uniform.
Calendering process
| Serial number | Charging sequence | Roll spacing：㎜ | Time：min |
| 1 | Raw rubber is plasticated | 1 | 8 |
| 2 | Tackifier A | 6 | 3 |
| 3 | Zinc oxide, stearic acid | 6 | 2 |
| 4 | Antioxidant MB | 6 | 2 |
| 5 | Add 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 6 | Another 1/2 clay, carbon black, softening agent A | 6 | 6 |
| 7 | Sulphur | 6 | 2 |
| 8 | Crosslinking agent | 6 | 4 |
| 9 | Mixing eight is knife | 6 | 8 |
| 10 | It is thin to lead to three times | 1 | 6 |
| 11 | Put thick pressing bottom sheet | 9 | 3 |
Note：1. being kneaded roller temperature：50 ± 5 DEG C of preliminary roller；55 ± 5 DEG C of back roller.
2. cooling use calcium carbonate cooling water, impregnate and be no less than 15min, hanger air-dries.
3. bin aging is no more than 2 months.
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9±0.5㎜.Cut-parts, film size should be controlled in radius 135mm.
Step 3：It is preforming
A piece of film is put into upper mold (Fig. 2) respectively, interleaving agent talcum powder is sprinkled on glue, (Fig. 3) is pressed with wooden model 1.
A piece of film is put into lower mold (Fig. 2) respectively, interleaving agent talcum powder wooden model 2 (Fig. 3) pressure is sprinkled on glue.Ensure that remaining glue is high
Degree, which is higher by mold 2mm, to be advisable, and takes out wooden model.
Step 4：Brush bonding agent
220 bonding agents of Kai Muluoke are painted on the joint face of glue.Film will be loaded onto in the intermediate core of mold.
Step 5：Vulcanization
Molding, is filled with high pressure gas at gas nozzle into air bag, vulcanizes, conditions of vulcanization：160 ± 2 DEG C, time 35min of temperature,
Pressure 13Mpa, air press 4.5Mpa.
Step 6：Glue vulcanizes
Rubber compound is dried in 90 DEG C of baking oven 10min softenings, by this glue at gas nozzle glue, be then put into mold 2
Vulcanization, conditions of vulcanization：160 ± 2 DEG C, time 35min, 3~5Mpa of pressure of temperature.
Through 1-3 liquid shell of test example 3 are shown in Table with rubber pneumatic bag performance.
Table 3 liquid shell rubber pneumatic bag performance
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, all essences in the present invention
Any variation, addition, equivalent replacement and improvement etc. made by within god and principle, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of liquid shell is formulated with rubber pneumatic bag, which is characterized in that its prescription quality part is：
100 parts of ethylene propylene diene rubber, 1~5 part of crosslinking agent, 0.2~3 part of sulphur, 1~3 part of 3-8 parts of ZnO, SA, anti-aging agent 0.5
~ 2 parts, 5-10 parts of 30-40 parts of softening agent A, tackifier A, 45~60 parts of carbon black, 25-35 parts of clay.
2. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the ethylene propylene diene rubber is three
First second third 4046.
3. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the crosslinking agent is peroxide
Crosslinking agent.
4. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the softening agent A is paraffin oil.
5. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the tackifier A is terpenes tree
Fat.
6. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the carbon black is high abrasion charcoal
Black, grain size is 26~30nm, 80~110m of specific surface area2/ g, oxygen content 0.5%~1.0%, hydrogen content 0.27%~0.34%,
Density 1.7-2.0g/cm3。
7. liquid shell according to claim 1 is formulated with rubber pneumatic bag, which is characterized in that the anti-aging agent is anti-aging agent
MB。
8. according to the preparation method of claim 1-7 any one of them liquid shell rubber pneumatic bags, which is characterized in that including
Following steps：
Step 1：The making of rubber compound
Raw rubber is plasticated, and is added tackifier A, zinc oxide, stearic acid, anti-aging agent, clay, carbon black and the softening agent A of half quality into
Row turns refining, and adds remaining clay, carbon black and softening agent A, adds sulphur and crosslinking agent, turns refining, and is kneaded uniform；
Step 2：Cut-parts
Slice, slice thickness are strict controlled in：9 ± 0.5 ㎜, cut-parts, film size should be controlled in radius 135mm；
Step 3：It is preforming
Two panels film is put into upper/lower die respectively, with upper and lower two kinds of wooden model pressures, ensures that remaining glue height is higher by mold 2mm, takes
Go out wooden model；
Step 4：Brush bonding agent
Kai Muluoke bonding agents are painted on the joint face of glue, will load onto film in the intermediate core of mold；
Step 5：Vulcanization
Molding, high pressure gas is filled with into air bag, is vulcanized, conditions of vulcanization：160 ± 2 DEG C of temperature, 35 min of time, pressure 12~
15Mpa, air press 4~5Mpa；
Step 6：Glue vulcanizes
The glue at gas nozzle, vulcanization, conditions of vulcanization：160 ± 2 DEG C of temperature, 35 min of time, 3~5Mpa of pressure.
9. the preparation method of liquid shell rubber pneumatic bag according to claim 8, which is characterized in that in the step 3, use
Wooden model is preforming, and interleaving agent talcum powder is spread on film.
10. being prepared using claim 1-7 any one of them liquid shell rubber pneumatic bag formula and claim 8 or 9
Application of the liquid shell rubber pneumatic bag on rocket gun air bag.
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