CN106393943B - A kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles - Google Patents
A kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles Download PDFInfo
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- CN106393943B CN106393943B CN201610809483.9A CN201610809483A CN106393943B CN 106393943 B CN106393943 B CN 106393943B CN 201610809483 A CN201610809483 A CN 201610809483A CN 106393943 B CN106393943 B CN 106393943B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B2037/1269—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives multi-component adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/008—Sewing, stitching
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Woven Fabrics (AREA)
Abstract
The present invention relates to a kind of preparation methods of railway bed special (purpose) rubber synthetic fibers geotextiles;Include the following steps：Weaving polyester-cotton blend canvas, polyester-cotton blend union duck is dried, defeathering post-calendering carries out frictional both sides, pad batches, rubberizing, molding, splicing, vulcanization, seam, the good finished product of seam batches packaging and storage after inspection；The railway bed Special geotextile produced, includes upper and lower waterproof layer and intermediate base fabric three-decker, and the hard point for being evenly distributed in the upper surface protrusion of the lower surface of upper waterproof layer and lower waterproof layer effectively improves the service life of product, the period is repaiied in extension；It is especially suitable for mechanized construction, when large-scale screen scarifier throws bed construction, directly pad spreads the construction method of the geotextiles, it greatly improves to combine and be repaiied in railway roadbed, the synchronous construction efficiency for carrying out bedding and rising soil in Disease Treatment, also to ensure that operation quality that fast-speed section carries on construction work at night and job safety provide technical guarantee.
Description
Technical field
The invention belongs to railway bed technical field, more particularly to a kind of railway bed special (purpose) rubber synthetic fibers geotextiles
Preparation method.
Background technology
Currently, geotextiles are mainly used in the big work of the small stress of the silts diameter such as water conservancy, harbour, navigation channel, railway, highway
Journey, the main function played include：1, the construction material of different physical properties is isolated in buffer action, makes material not
Mix, keeps the globality of material；2, filtration utilizes the saturating of geotextiles when water flows into coarse fodder soil layer by fines soil layer
It is aqueous, allow water by by intercept the materials such as soil particle, fine sand;3, stabilization enhances soil body tension non-deformability, enhancing
Building structure stability；And existing common geotextiles structure is single, tensile strength and non-deformability are low, make the longevity of geotextiles
Life shortens；Country's pad paving plastic-coated fabric（Geotextiles）Regulation railway bed railway roadbed disease of rising soil has application in more than 30 years
Experience, but due to presently used plastic-coated fabric（Geotextiles）Intensity is low, needs underlay yellow ground layer as protection in construction, is constructing
In the case that blocking time is tight, it is difficult to job specfication operation is pressed, frequent sand ballast mixing, plastic-coated fabric（Geotextiles）It is easily punctured, makes
Waterproof action fails；Encountering roadbed section has when rising soil phenomenon using excavated by manual work frost boiling throwing bed, pad yellow ground, pad plastic-coated fabric
（Geotextiles）Method renovate disease；There are technological deficiencies in existing geotextiles application：（1）Sand ballast mixing is be easy to cause to apply
Mould cloth（Geotextiles）It is easily punctured, waterproof action is made to fail；（2）Artificial throwing bed labor intensity is big, and construction time limit for length is not easy specification
Operation requires the construction skylight phase stringent；（3）Plastic-coated fabric（Geotextiles）Anti-bursting poor performance, intensity is low, is easily poked by the stone tiny fragments of stone, coal, etc.；
It is an object of the invention to provide a kind of geotextiles of high intensity to replace existing plastic-coated fabric, need not be padded up and down to reach
Sand is directly laid with this product on road bed, above coated with railway ballast, and is rolled by the train of large conveying quantity, this product is not stabbed
It is broken, and big machine cleaning can be used to throw bed, it is a large amount of to save the construction time.
Invention content
Technical problem to be solved by the invention is to provide a kind of systems of railway bed special (purpose) rubber synthetic fibers geotextiles
Preparation Method provides a kind of novel geotextiles, there is intensity height, resistance to bursting, tear-proof, the ageing-resistant, heat-resisting of brilliance, cold resistance
Can, the service life of product is greatly improved, the period is repaiied in extending.
The technical solution adopted by the present invention to solve the technical problems is,
A kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles；Include the following steps,
（1）Polyester-cotton blend canvas is weaved, the content of polyester-cotton blend is 70~90：30~10, specification is 5 × 8；Weave the thickness of polyester-cotton blend canvas
Degree is 1+0.1 ㎜, and width is 98 ± 1 ㎝, and length is 100 ± 5m;
（2）Polyester-cotton blend union duck is dried, surface dust processing after carried out on three rollers or four-roll calender it is two-sided
Rubber makes each cloth eye be full of rubber unvulcanizate；Drying temperature is 70 ± 5 DEG C, and rubber temperature is 60 ± 2 DEG C, and roller speed ratio is
1:1.1；
（3）3 ± 1h is stored after being batched with clean lining cloth after frictional both sides, then carries out single topping, and roller temperature is 65 ± 2
DEG C, roller speed ratio is 1:1, rubberizing thickness is 0.3 ± 0.02 ㎜, and it is good for the kiss-coating canvas lining cloth pad after 1.4 ㎜ to complete thickness
Storage is for use afterwards；
（4）Kiss-coating canvas is bonded after 4 ± 1h is parked on molding machine, spicing forming type, and splicing width is 5 ± 0.5
㎝, broadwise seam are cut into the oblique angles 45o, and splicing width is 10 ± 5 ㎝, and width after molding is 1850 ± 10 ㎜, is batched with lining cloth
It is good for use；
（5）The kiss-coating canvas of forming, which enters, carries out curing operation in large plate vulcanizer, the upper former of vulcanizer
The groove that 55 × 2.0 ㎜ are dug in seam crossing can match with seam, and the life side of longitudinal reserved 5 ㎝ must not vulcanize outside tablet, sulphur
It is 145 ± 2 DEG C to change temperature, and sulfide stress is 16 ± 1Mpa, and per mould 6 ± 1min of vulcanization time, the adhesive plaster after vulcanization is cut into
10.3 ± 0.2m, it is spare；
（6）Adhesive plaster with raw side after vulcanization is spliced according to the width of user demand on special seamer, when splicing
Raw to be bonded while with giving birth to, the curing temperature of seamer, pressure, time are and above-mentioned steps（5）Middle technological parameter requires one
It causes；
（7）The good finished product of seam batches packaging and storage after inspection.
Base fabric is to be using a small amount of cotton fiber in order to increase the diameter of base fabric, latitudinal strength using a large amount of polyester fiber
For the adhesive force with good processing performance and increase cloth and rubber, to increase the globality of adhesive plaster；Using flattener
Skill be in order to which rubber material is further filled into each cloth eye among, main purpose be density in order to increase product and with
The bonding force of face glue keeps rubber cover thickness uniform, smooth；Sulfuration process be in order to make semi-finished product certain time high temperature
Best physical property is obtained under high pressure, by vulcanization, the tensile strength of rubber can meet or exceed 10Mpa, and elongation is big
In 400%；Resistance to weather performance is substantially improved；Due to passing through entirety using high strength synthetic fibre base fabric and high-performance synthetic rubber
Sulfuration process makes, and therefore, overall effect is good, and intensity is high, is not easy to be poked by railway ballast, can effective waterproof, improve railway roadbed draining and dredge
The general character.
Preferably, the step（2）Gum stock in process uses based on natural gum and butadiene-styrene rubber and use, and ratio is used in combination
It is 70:30, and extraordinary adhesive is added, to the bonding force for improving with being bonded sizing material；The plasticity of this sizing material be 0.5 ±
0.05. the physical property after vulcanizing is tensile strength >=10Mpa, elongation rate of tensile failure >=400%.
Preferably, the step（3）Rubberizing formula in process uses ageing-resistant, water resistance performance brilliance neoprene
For main material, it is equipped with the anti-aging agent of high-quality, antioxidant, so that it is guaranteed that the physical mechanical property and ageing-resistant performance of face layer；It draws
Stretch intensity >=12Mpa, elongation rate of tensile failure >=400%, hot air aging（120℃×24h）Surface is not tacky, is not cracked.
Preferably, the step（1）In process, the content of polyester-cotton blend is 70:30, the thickness of weaving polyester-cotton blend canvas is 1.1 ㎜,
Width is 98 ㎝, length 105m;Cotton fiber using 30 amounts is to have more preferably processing performance and increase cloth and rubber
Adhesive force, to increase the globality of adhesive plaster.
The positive effect of the present invention is shown：The railway bed Special geotextile produced, have intensity high, resistance to bursting,
Tear-proof, remarkable ageing-resistant, heat-resisting, cold tolerance, greatly improve the service life of product, the period are repaiied in extending；
It is especially suitable for mechanized construction, directly pad spreads the construction method of the geotextiles when large-scale screen scarifier throws bed construction, greatly improves
It combines and is repaiied in railway roadbed, the synchronous construction efficiency for carrying out bedding and rising soil in Disease Treatment, also to ensure fast-speed section night
The operation quality and job safety of construction provide technical guarantee.
Description of the drawings
Attached drawing 1 is a kind of preparation method technique stream of railway bed special (purpose) rubber synthetic fibers geotextiles of the present invention
Cheng Tu；
Attached drawing 2 is rubber synthetic fibers geotextiles structure chart diagram.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
In detailed description given below and preferred embodiment, can to the present invention more comprehensively understand, these explanation and
Attached drawing 1,2 is not limited in specific embodiment, and only plays the role of explanation and understanding.
Specific embodiment,
As shown in Figure 1, the technological process of railway bed special (purpose) rubber synthetic fibers geotextiles is as follows：High-tenacity polyester-cotton blend canvas
→ by drying, defeathering → calendering → pad batch → rubberizing → molding；Meanwhile rubber and auxiliary material → mixing；It is kneaded and is molded
→ splicing → vulcanization → seam → packaging and storage；
The preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles includes the following steps,
（1）Polyester-cotton blend canvas is weaved, the content of polyester-cotton blend is 70:30, specification is 5 × 8T/m, and thickness is 1.1 ㎜, width 98
㎝, length 105m；
（2）Polyester-cotton blend union duck is dried, surface dust processing after carried out on three rollers or four-roll calender it is two-sided
Rubber makes each cloth eye be full of rubber unvulcanizate；It is in order to which rubber material is further filled into not a cloth using calendering technology
Among eye, main purpose is the density in order to increase product and the bonding force with face glue, keeps rubber cover thickness uniform, smooth flat
It is whole；Drying temperature is 75 DEG C, and rubber temperature is 62 DEG C, and roller speed ratio is 1:1.1；Step（2）Gum stock in process uses
Based on natural gum and butadiene-styrene rubber and use, it is 70 that ratio, which is used in combination,:30, and extraordinary adhesive is added, to improve and be bonded sizing material
Bonding force；Sulfuration process is to make semi-finished product obtain best physical property under the high temperature and pressure of certain time, pass through sulphur
Change, the tensile strength of rubber can meet or exceed 10Mpa, and elongation is more than 400%.Resistance to weather performance is substantially improved；
（3）4h is stored after being batched with clean lining cloth after frictional both sides, then carries out single topping, and roller temperature is 66 DEG C, roller
Cylinder speed ratio is 1:1, rubberizing thickness is 0.32 ㎜, completes to store after the kiss-coating canvas lining cloth pad after thickness is 1.4 ㎜ is good for use；
Step（3）Rubberizing formula in process uses ageing-resistant, water resistance performance brilliance neoprene for main material, is equipped with high-quality
Anti-aging agent, antioxidant, so that it is guaranteed that the physical mechanical property and ageing-resistant performance of face layer；Tensile strength >=12Mpa, breaks and stretches
Long rate >=400%, hot air aging（120℃×24h）Surface is not tacky, is not cracked;
（4）Kiss-coating canvas is bonded after 2h is parked on molding machine, spicing forming type, and splicing width is 5 ㎝, and broadwise connects
Seam is cut into the oblique angles 45o, and splicing width is 10 ㎝；Width after molding is 1860 ㎜, is batched for use with lining cloth；
（5）The kiss-coating canvas of forming, which enters, carries out curing operation in large plate vulcanizer, the upper former of vulcanizer
The groove that 55 × 2 ㎜ are dug in seam crossing can match with seam, and the life side of longitudinal reserved 5 ㎝ must not vulcanize outside tablet, vulcanize
Temperature is 146 DEG C, sulfide stress 16Mpa, and per mould vulcanization time 6min, the adhesive plaster after vulcanization cuts into 10.3m, spare；
（6）Adhesive plaster with raw side after vulcanization is spliced according to the width of user demand on special seamer, when splicing
It is raw to be bonded while with raw, the curing temperature of seamer, pressure, time equal above-mentioned steps（5）Middle technological parameter requires consistent；
（7）The good finished product of seam batches packaging and storage after inspection.
Radial drawing strength >=4000N/5cm of gained Geotextile Products, weft tensile strength >=3000N/5cm, seam
Peel strength >=15N/cm, impermeability >=2000mm water columns, resistance to bursting >=5000N, at 120 DEG C, 24 hours environment feelings
Condition lower surface is tacky, no cracking.
In the present embodiment, it is to increase base fabric using a large amount of polyester fiber that base fabric, which uses polyester-cotton blend union duck, base fabric,
Diameter, latitudinal strength, using a small amount of cotton fiber be in order to good processing performance and increase cloth and rubber adhesive force,
To increase the globality of adhesive plaster；Leading indicator is：Containing the amount of washing >=70%；Radial strength >=4000N/5cm, broadwise strength >=
3000N/cm, then with glue stuff compounding of the natural gum of high-quality with synthesis, utilize rubber tooling（Tri-roll press machine or four-roller
Calender carries out calendering processing to base fabric, and each cloth eye and surface is made to be full of semi-finished product sizing material, then in the wherein one side of this cloth
Again the rubber covering layer of one layer of 0.3-0.4 ㎜ is posted, this glue surface glue kind is special synthetic rubber, has ageing-resistant, heatproof, resistance to
It is cold to wait good characteristics：High temperature is finally carried out by large-scale vulcanizing press again, high pressure vulcanizes.
The entirety of the gained cloth is strongly greater than existing 20-40 times of the plastic-coated fabric strength used, and coating material uses airtight
Property good, soft, ageing-resistant, heat-resisting, cold-resistant etc. be better than present painting moulding material（PVC plastic）Specific rubber material；Appearance ruler
Between very little 3-5 meters of the requirement according to roadbed, for length at 10 meters or so, thickness is more thick than existing plastic-coated fabric, in order to reduce construction
Difficulty, every piece of weight is not more than 80 kilograms, laterally coiled, convenient for spreading out；Every piece of the lap of splice is 30 ㎝；The paving often rolled up
If the time at 5-10 minutes or so, effectively improves construction efficiency.
It is made, is obtained such as attached drawing by whole sulfuration process of high strength synthetic fibre base fabric and high-performance synthetic rubber
Geotextiles structural schematic diagram shown in 2, includes upper and lower waterproof layer and intermediate base fabric three-decker, 1 subsurface of upper waterproof layer and
The hard point correspondence of the hard point for being evenly distributed in the upper surface protrusion of lower waterproof layer 3, this this protrusion is inserted in following table in intermediate base fabric 2
In the shrinkage pool in face, these shrinkage pools can be perforative up and down, be linked to be with the hard point on lower waterproof layer 3 to close waterproof layer 1
One forms overall structure；Overall effect is good, and intensity is high, is not easy to be poked by railway ballast, can effective waterproof, improve railway roadbed draining and dredge
The general character.
The railway bed Special geotextile produced, with intensity high, resistance to bursting, tear-proof, brilliance it is ageing-resistant, resistance to
Heat, cold tolerance, greatly improve the service life of product, the period are repaiied in extending；It is especially suitable for mechanized construction, big
Directly pad spreads the construction method of the geotextiles when type screen scarifier throws bed construction, substantially increases and is repaiied in conjunction in railway roadbed, synchronous to carry out
Bedding is risen soil the construction efficiency in Disease Treatment, also to ensure operation quality and job safety that fast-speed section carries on construction work at night
Provide technical guarantee.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention
Equivalent change or modification made by Spirit Essence should all cover within the scope of the present invention.
Claims (4)
1. a kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles, which is characterized in that include the following steps,
(1) polyester-cotton blend canvas is weaved, the content of polyester-cotton blend is 70~90：30~10, specification is 5 × 8T/m；Weave the thickness of polyester-cotton blend canvas
Degree is 1+0.1 ㎜, and width is 98 ± 1 ㎝, and length is 100 ± 5m；
(2) polyester-cotton blend union duck dried, carry out frictional both sides on three rollers or four-roll calender after surface dust processing,
Each cloth eye is set to be full of rubber unvulcanizate；Drying temperature is 70 ± 5 DEG C, and rubber temperature is 60 ± 2 DEG C, and roller speed ratio is 1:
1.1；
(3) 3 ± 0.5h is stored after being batched with clean lining cloth after frictional both sides, then carries out single topping, and roller temperature is 65 ± 2
DEG C, roller speed ratio is 1:1, rubberizing thickness is 0.3 ± 0.02 ㎜, and it is good for the kiss-coating canvas lining cloth pad after 1.4 ㎜ to complete thickness
Storage is for use afterwards；
(4) kiss-coating canvas be bonded on molding machine after 4 ± 1h is parked, spicing forming type, splicing width be 5 ± 0.5 ㎝, latitude
Oblique angle at 45 ° is cut out to seam, splicing width is 10 ± 0.5 ㎝, and width after molding is 1850 ± 10 ㎜, is batched and is waited for lining cloth
With；
(5) the kiss-coating canvas of forming, which enters, carries out curing operation in large plate vulcanizer, the upper former of vulcanizer is connecing
The groove of 55 × 2 ㎜ is dug at seam to match with seam, and the life side of longitudinal reserved 5 ㎝ must not vulcanize outside tablet, curing temperature
It is 145 ± 2 DEG C, sulfide stress is 16 ± 1Mpa, per mould 6 ± 0.5min of vulcanization time, the adhesive plaster after vulcanization cuts into 10.3 ±
0.1m, it is spare；
(6) band is given birth to the adhesive plaster on side and is spliced on special seamer according to the width of user demand after vulcanizing, and when splicing gives birth to side
It is bonded with raw side, the curing temperature of seamer, pressure, time require unanimously with technological parameter in above-mentioned steps (5)；
(7) the good finished product of seam batches packaging and storage after inspection.
2. a kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles according to claim 1, feature
It is, the gum stock in step (2) process uses based on natural gum and butadiene-styrene rubber and use, and it is 70 that ratio, which is used in combination,:30, and
Extraordinary adhesive is added, to the bonding force for improving with being bonded sizing material.
3. a kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles according to claim 1, feature
It is, the rubberizing formula in step (3) process uses neoprene for main material, and millable polyurethane elastomer, PVC plastic is added
Expect particle, the ratio of three is 70:20:10, glue stuff compounding is made through being kneaded under mixer high temperature, high pressure, then be equipped with anti-aging agent
4010, antioxidant SP, captax, DM, vulcanizing agent MgO, S, softening agent coumarone indene resin, the ratio difference in 100 parts of sizing materials
It it is 2,1,0.2,5,10 parts, so that it is guaranteed that the physical mechanical property and ageing-resistant performance of face layer.
4. a kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles according to claim 1, feature
It is, in step (1) process, the content of polyester-cotton blend is 70:30, the thickness of weaving polyester-cotton blend canvas is 1.1 ㎜, width 98
㎝, length 105m.
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| CN201610809483.9A CN106393943B (en) | 2016-09-07 | 2016-09-07 | A kind of preparation method of railway bed special (purpose) rubber synthetic fibers geotextiles |
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| CN109605855A (en) * | 2018-11-29 | 2019-04-12 | 南京正隆顺达高分子材料有限公司 | A kind of compounded rubber fiber waterproof roll and preparation method thereof |
| CN109537428A (en) * | 2018-11-29 | 2019-03-29 | 南京正隆顺达高分子材料有限公司 | A kind of beams of concrete face and its construction method with waterproof roll |
| CN113211902B (en) * | 2021-06-16 | 2021-11-30 | 南京正隆顺达高分子材料有限公司 | Composite rubber fiber waterproof coiled material preparation system and method |
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