CN107435770A - A kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof - Google Patents

A kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof Download PDF

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Publication number
CN107435770A
CN107435770A CN201710814412.2A CN201710814412A CN107435770A CN 107435770 A CN107435770 A CN 107435770A CN 201710814412 A CN201710814412 A CN 201710814412A CN 107435770 A CN107435770 A CN 107435770A
Authority
CN
China
Prior art keywords
rubber
plastic
plastic pipe
preparation
ultrahigh pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710814412.2A
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Chinese (zh)
Inventor
戴协俭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG DINGYUAN PLASTI-RUBBER Co Ltd
Original Assignee
ZHEJIANG DINGYUAN PLASTI-RUBBER Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG DINGYUAN PLASTI-RUBBER Co Ltd filed Critical ZHEJIANG DINGYUAN PLASTI-RUBBER Co Ltd
Priority to CN201710814412.2A priority Critical patent/CN107435770A/en
Publication of CN107435770A publication Critical patent/CN107435770A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F16L11/083Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

Abstract

The invention discloses a kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof, including the outer tube and inner tube formed by rubber and plastic, aramid layers are provided between the outer tube and inner tube, the aramid layers are wide network.The invention has the advantages that:This rubber plastic pipe simplification of flowsheet, improves production efficiency in the case where ensureing high voltage demands, reduces equipment investment, has high economic benefit.

Description

A kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof
Technical field
The present invention relates to a kind of rubber plastic pipe, more particularly to a kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof.
Background technology
With the rapid development of modern industry, the continuous progress of automation, the demand of pneumatic high-voltage pipe and requirement are also more next Higher, especially demand pressure is very high in some special cases.
Notification number is that CN203147078U Chinese patent discloses a kind of complete close braiding rubber plastic pipe, the rubber plastic pipe include by The inner and outer tubes that polyvinyl chloride is combined with nitrile rubber, wherein, inner glue layer, fibre are disposed between inner and outer tubes Line layer and outer glue-line are tieed up, single layer is through inside and outside glue-line and inner and outer tubes close adhesion;If single layer is by carried interest single Braiding forms, and per share single forms by 2 ~ 8 polyester fiber lines.Pass through single layer and inner and outer tubes close adhesion Design make it that the rubber plastic pipe is more tough and tensile, can bear higher burst pressure.
But this rubber plastic pipe after terylene woven by using needing to carry out with internal layer and outer layer by way of spreading glue Bonding.When carrying out aforesaid operations, complex manufacturing, equipment investment be big and low production efficiency, has much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof, this rubber plastic pipe is ensureing height In the case of pressure demand, simplification of flowsheet, production efficiency is improved, reduce equipment investment, there is high economic benefit.
The present invention above-mentioned technical purpose technical scheme is that:A kind of novel ultrahigh pressure rubber plastic pipe And preparation method thereof, including the outer tube and inner tube being made up of rubber and plastic, aramid layers are provided between the outer tube and inner tube, it is described Aramid layers are wide network;Its preparation method is:
Step 1:Prepare rubber/plastic raw materials;
Step 2:Rubber and plastic internal layer is obtained by extrusion mechanism;
Step 3:By wrapping machine, industrial aramid filament is wrapped in rubber and plastic internal layer surface;
Step 4:In the outer layer of above-mentioned steps three by extruding uniformly one layer of rubber and plastic finished product of coating.
After above-mentioned technical proposal, by setting wide latticed aramid layers to save industrial aramid filament Usage amount and then production cost is reduced, also reduce the difficulty of manufacture.Meanwhile wide latticed aramid layers be advantageous to outer layer and The bonding of internal layer, because latticed aramid layers can be such that outer layer rubber and plastic more fully infiltrates to fabric void and inside, outer layer rubber Modeling also can more fully wrap up aramid layers and internal layer is integrally formed.So that rubber plastic pipe is more tough and tensile, can bear higher quick-fried Broken pressure.
One-shot forming of the present invention, eliminate glue application step in background technology.And then simplification of flowsheet, raising production effect Rate, equipment investment is reduced, there is high economic benefit.It is computed, when the rubber plastic pipe in the present invention produces, yield Up to more than 10m/min, the yield of 1-1.5m/min when being far longer than the rubber plastic pipe in production background technology.
The present invention is further arranged to:Some adding along tube axis line arrangement are provided between the outer tube and aramid layers Qiang Huan.
After above-mentioned technical proposal, by being provided with reinforcing ring between outer tube and aramid layers, rubber plastic pipe is added Structural strength, and then make the pressure-resistant resistance to deformability enhancing of rubber plastic pipe, be avoided that rubber and plastic tracheal rupture or deform upon, avoid supplying Gas stops or gas flow reduces, and effectively reduces potential safety hazard.
The present invention is further arranged to:The reinforcing ring includes mutually weaving the three bundle polyester thread groups formed, each described Polyester thread group is made up of some polyester fibers.
After above-mentioned technical proposal, by three reinforcing rings that form of bundle polyester thread groups and aramid layers that mutually weave it Between can preferably connect, an entirety is applied as by outer layer rubber and plastic hot melt adhesive, and then increase the anti-explosion power of rubber plastic pipe.
The present invention is further arranged to:Each polyester fiber includes the components by weight percent of following component:PTE cuts into slices:88 Part;Nano silicon:0.5 part;Graphene:3 parts;Nano imvite:1.5 part;Hydroxyethyl cellulose:3 parts;Tackifying resin:4 Part.
After above-mentioned technical proposal, obtained polyester fiber, its tensile strength improves more than 30%, and then makes Obtain the reinforcing ring 4 being made up of polyester fiber and enhance the structural strength of rubber plastic pipe, and then make the pressure-resistant resistance to deformability of rubber plastic pipe Enhancing, is avoided that rubber and plastic tracheal rupture or deforms upon, and avoids supply stopping or gas flow from reducing, effectively reduces potential safety hazard.
Meanwhile above-mentioned tackifying resin is used in combination together with remaining, various storerooms in polyester fiber can be effectively increased Degree of being completely embedded, simultaneously because tackifying resin is substantially all containing phenolic hydroxyl group, methylol, carboxyl, ester bond, ehter bond etc., it is easy to Hydrogen bond network is formed with rubber and plastic, so as to obtain optimal viscosity.Because inner tube, outer tube are all made up of rubber and plastic, therefore pass through increasing The effect of viscosity resin, it may be such that reinforcing ring preferably connects inner tube and outer tube.Because aramid layers are wide screen grating texture, strengthened Ring can pass through latticed aramid layers and is in contact with inner tube, and then the viscosity between guarantee.
When outer layer rubber and plastic by extruding and hot melting bonding be coated in rubber and plastic pipe surface when, can more fully infiltrate to aramid layers with And the space and inside of reinforcing ring, so that aramid layers, reinforcing ring and inner tube parcel are turned into an entirety, so that rubber Modeling pipe is more tough and tensile, can bear higher burst pressure.
Above-mentioned PET sections, be the abbreviation of polyethylene terephthalate, be commonly called as polyester resin, when with above-mentioned thickening When resin is used in combination together, because solvent misture is substantially all containing phenolic hydroxyl group, methylol, carboxyl, ester bond, ehter bond etc., hold very much Hydrogen bond network easily is formed with polyester resin, so as to improve the structural strength of polyester fiber, to support rubber plastic pipe in high compression ring Used under border.
Above-mentioned nano silicon, " white carbon " is commonly called as, it is fine that other materials intensity, anti-aging and improvement terylene can be improved The finish in dimension table face.
Above-mentioned graphene, as being currently known one of intensity highest material, while also there is good toughness, and can With bending.Graphene in the present invention can strengthen the structural strength of polyester fiber.
Above-mentioned nano imvite, it is mainly used in, manufacture nanofiber, nano-rubber etc. compound with existing polymer, A small amount of nano imvite only need to be added, so that it may greatly improve the intensity of polymeric material, barrier properties for gases so that tracheae is not Understand gas leakage under high voltage intensity again.By the way that nano imvite is used in combination together with graphene, there is collaboration enhancing polymeric material Expect the effect of intensity.
In summary, the invention has the advantages that:
1st, by being provided with aramid layers between outer tube and inner tube, aramid layers are wide network, and then are advantageous to outer layer and interior The bonding of layer, latticed aramid layers can be such that outer layer rubber and plastic more fully infiltrates to fabric void and inside, outer layer rubber and plastic also More fully wrap up aramid layers and internal layer is integrally formed.So that rubber plastic pipe is more tough and tensile, higher burst pressure can be born;
2nd, it is to have saved the usage amount of industrial aramid filament to reduce production cost by setting wide latticed aramid layers, Also reduce the difficulty of manufacture;
3rd, by being provided with reinforcing ring between outer tube and aramid layers, the structural strength of rubber plastic pipe is added, and then make rubber plastic pipe Pressure-resistant resistance to deformability enhancing, is avoided that rubber and plastic tracheal rupture or deforms upon, avoid supply stopping or gas flow from reducing, effectively Reduce potential safety hazard.
4th, it is made up of reinforcing ring some special polyester fibers, its tensile strength improves more than 30%, and then causes by washing The reinforcing ring that synthetic fibre fiber is formed enhances the structural strength of rubber plastic pipe.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of the polyester thread group in Fig. 2.
Reference:1st, outer tube;2nd, inner tube;3rd, aramid layers;4th, reinforcing ring;5th, polyester thread group.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this All protected in the right of invention by Patent Law.
Embodiment 1:
As shown in figure 1, a kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof, including the outer tube 1 and inner tube being made up of rubber and plastic 2.Aramid layers 3 are provided between outer tube 1 and inner tube 2, aramid layers 3 are preferably wide network.By setting wide latticed virtue Synthetic fibre layer 3 is to have saved the usage amount of industrial aramid filament and then reduced production cost, also reduces the difficulty of manufacture.
Meanwhile wide latticed aramid layers 3 are advantageous to the bonding of outer layer and internal layer, because latticed aramid layers 3 can make Outer layer rubber and plastic, which is more fully infiltrated to fabric void and inside, outer layer rubber and plastic, also can more fully wrap up aramid layers 3 and internal layer It is integrally formed.So that rubber plastic pipe is more tough and tensile, higher burst pressure can be born.
To ensure that the present invention can meet to use in the case of high voltage demands, on latticed aramid fiber to reach State purpose.Aramid fiber has the premium properties such as superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, in light weight, and its intensity is steel wire 5~6 times, modulus is 2~3 times of steel wire or glass fibre, and toughness is 2 times of steel wire, and weight is only the 1/5 left of steel wire It is right.Pass through test:The highest burst pressure that the rubber plastic pipe of the present invention can bear can reach 150-160Kg.
Preparation method:
Step 1:Prepare rubber/plastic raw materials;
Step 2:Rubber and plastic internal layer is obtained by extrusion mechanism;
Step 3:By wrapping machine, industrial aramid filament is wrapped in rubber and plastic internal layer surface;
Step 4:In the outer layer of above-mentioned steps three by extruding uniformly one layer of rubber and plastic finished product of coating.
Understood by above-mentioned preparation method, one-shot forming of the present invention, eliminate glue application step in background technology.And then simplify Technological process, production efficiency is improved, reduce equipment investment, there is high economic benefit.It is computed, the rubber in the present invention When modeling pipe is produced, yield is far longer than the 1-1.5m/ during rubber plastic pipe in production background technology up to more than 10m/min Min yield.
Embodiment 2:
Difference from Example 1 is:As shown in Figures 2 and 3, it is provided between outer tube 1 and aramid layers 3 some along pipe axle center The reinforcing ring 4 linearly arranged, reinforcing ring 4 include mutually weaving the three bundle polyester thread groups 5 formed, and each polyester thread group 5 is by some Polyester fiber is formed.Each polyester fiber includes the components by weight percent of following component:
PTE cuts into slices:88 parts;Nano silicon:0.5 part;Graphene:3 parts;Nano imvite:1.5 part;Hydroxyethyl cellulose: 3 parts;Tackifying resin:4 parts.
Above-mentioned obtained polyester fiber, its tensile strength improve more than 30%, and then to be added by what polyester fiber was formed Strong ring 4 enhances the structural strength of rubber plastic pipe, and then makes the pressure-resistant resistance to deformability enhancing of rubber plastic pipe, is avoided that rubber and plastic tracheal rupture Or deform upon, avoid supply stopping or gas flow from reducing, effectively reduce potential safety hazard.
Meanwhile above-mentioned tackifying resin is used in combination together with remaining, various storerooms in polyester fiber can be effectively increased Degree of being completely embedded, simultaneously because tackifying resin is substantially all containing phenolic hydroxyl group, methylol, carboxyl, ester bond, ehter bond etc., it is easy to Hydrogen bond network is formed with rubber and plastic, so as to obtain optimal viscosity.Because inner tube 2, outer tube 1 are all made up of rubber and plastic, therefore passed through The effect of tackifying resin, it may be such that reinforcing ring 4 preferably connects inner tube 2 and outer tube 1.Because aramid layers 3 are wide screen trellis knot Structure, reinforcing ring 4 can pass through latticed aramid layers 3 and be in contact with inner tube 2, and then the viscosity between guarantee.
When outer layer rubber and plastic is coated in rubber and plastic pipe surface by extruding and hot melting bonding, can more fully infiltrate to aramid layers 3 And the space and inside of reinforcing ring 4, so that aramid layers 3, reinforcing ring 4 and inner tube 2 are wrapped up as an entirety, so as to So that rubber plastic pipe is more tough and tensile, higher burst pressure can be born.
Tackifying resin of the present invention is preferably the Koresin resins of German BASF chemical company.

Claims (4)

1. a kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof, including the outer tube (1) and inner tube (2) being made up of rubber and plastic, its It is characterized in:Aramid layers (3) are provided between the outer tube (1) and inner tube (2), the aramid layers (3) are wide network;It is made Preparation Method is:
Step 1:Prepare rubber/plastic raw materials;
Step 2:Rubber and plastic internal layer is obtained by extrusion mechanism;
Step 3:By wrapping machine, industrial aramid filament is wrapped in rubber and plastic internal layer surface;
Step 4:In the outer layer of above-mentioned steps three by extruding uniformly one layer of rubber and plastic finished product of coating.
2. a kind of novel ultrahigh pressure rubber plastic pipe according to claim 1 and preparation method thereof, it is characterized in that:The outer tube (1) some reinforcing rings (4) arranged along tube axis line are provided between aramid layers (3).
3. a kind of novel ultrahigh pressure rubber plastic pipe according to claim 2 and preparation method thereof, it is characterized in that:The reinforcing ring (4) include mutually weaving the three bundle polyester thread groups (5) formed, each polyester thread group (5) is made up of some polyester fibers.
4. a kind of novel ultrahigh pressure rubber plastic pipe according to claim 3 and preparation method thereof, it is characterized in that:Washed described in each Synthetic fibre fiber includes the components by weight percent of following component:
PTE cuts into slices:88 parts;Nano silicon:0.5 part;Graphene:3 parts;Nano imvite:1.5 part;Hydroxyethyl cellulose: 3 parts;Tackifying resin:4 parts.
CN201710814412.2A 2017-09-11 2017-09-11 A kind of novel ultrahigh pressure rubber plastic pipe and preparation method thereof Pending CN107435770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111571973A (en) * 2020-05-23 2020-08-25 咸阳新德安新材料科技有限公司 Processing technology of polyvinylidene fluoride flexible composite high-pressure pipe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101440900A (en) * 2008-12-25 2009-05-27 天津鹏翎胶管股份有限公司 Chlorohydrin rubber oil gas rubber pipe
CN101457858A (en) * 2008-12-26 2009-06-17 上海伊斯泰橡塑制品有限公司 High and low pressure integration tube for cleaning equipment and fabrication technology thereof
CN202252436U (en) * 2011-08-19 2012-05-30 湛江合力塑胶有限公司 Plastic braided hose
CN203147078U (en) * 2013-03-30 2013-08-21 台州市同顺塑料有限公司 Fully densely woven rubber and plastic pipe
CN105442079A (en) * 2015-12-28 2016-03-30 常熟市翔鹰特纤有限公司 Environment-friendly high-strength polyester fibers
CN207213376U (en) * 2017-09-11 2018-04-10 浙江鼎元塑胶有限公司 A kind of novel ultrahigh pressure rubber plastic pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101440900A (en) * 2008-12-25 2009-05-27 天津鹏翎胶管股份有限公司 Chlorohydrin rubber oil gas rubber pipe
CN101457858A (en) * 2008-12-26 2009-06-17 上海伊斯泰橡塑制品有限公司 High and low pressure integration tube for cleaning equipment and fabrication technology thereof
CN202252436U (en) * 2011-08-19 2012-05-30 湛江合力塑胶有限公司 Plastic braided hose
CN203147078U (en) * 2013-03-30 2013-08-21 台州市同顺塑料有限公司 Fully densely woven rubber and plastic pipe
CN105442079A (en) * 2015-12-28 2016-03-30 常熟市翔鹰特纤有限公司 Environment-friendly high-strength polyester fibers
CN207213376U (en) * 2017-09-11 2018-04-10 浙江鼎元塑胶有限公司 A kind of novel ultrahigh pressure rubber plastic pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111571973A (en) * 2020-05-23 2020-08-25 咸阳新德安新材料科技有限公司 Processing technology of polyvinylidene fluoride flexible composite high-pressure pipe

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Application publication date: 20171205