CN111267425A - Magnetic conduction self-thawing large-caliber rubber water belt - Google Patents

Magnetic conduction self-thawing large-caliber rubber water belt Download PDF

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Publication number
CN111267425A
CN111267425A CN201911315994.5A CN201911315994A CN111267425A CN 111267425 A CN111267425 A CN 111267425A CN 201911315994 A CN201911315994 A CN 201911315994A CN 111267425 A CN111267425 A CN 111267425A
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parts
rubber
magnetic
magnetic conductive
type
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黄裕中
孙马全
张小红
申华
徐庆忠
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Zyfire Hose Corp
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Zyfire Hose Corp
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Priority to CN201911315994.5A priority Critical patent/CN111267425A/en
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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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • C08L27/04—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 chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • 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
    • C08K2201/01—Magnetic additives
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
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Abstract

The invention discloses a magnetic conduction self-thawing large-caliber rubber hose, which comprises an outer rubber layer and an inner rubber layer, wherein a woven layer is arranged between the outer rubber layer and the inner rubber layer, the woven layer is formed by weaving warps and wefts, and the inner rubber layer and the outer rubber layer comprise the following components in percentage by weight: 300-350 parts of rubber base material, 30-100 parts of filler, 20-80 parts of plasticizer, 3-8 parts of activator, 3-10 parts of adhesive, 10-20 parts of magnetic conductive material, 2-10 parts of stabilizer, 2-3 parts of flow promoter and 3-5 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres. The finished rubber water belt product has a magnetic conduction function, can be used for mildly heating the rubber water belt by utilizing a magnetic heating effect, and achieves a self-thawing function without damaging a product.

Description

Magnetic conduction self-thawing large-caliber rubber water belt
Technical Field
The invention relates to the technical field of rubber water hoses, in particular to a magnetic conduction self-thawing large-caliber rubber water hose.
Background
The rubber hose water band is mainly applied to occasions of fire fighting, large-flow water supply, industrial and mining drainage, field transportation of chemical substance-containing liquid and the like. Compared with a hard pipeline, the rubber hose water band is more convenient to lay, wind and store. The rubber water hose is mainly applied to occasions with variable environments and has high requirements on environmental resistance, reliability and long service life.
The production process of the commonly used rubber water hose is shown in figure 1, and generally polyester industrial yarns are used as a woven layer, and inner-layer rubber and outer-layer rubber are used as anti-leakage and wear-resistant layers. The production process of the conventional rubber co-extruded water hose is as follows: mixing the raw materials of the hose to prepare a rubber compound for later use; the warp and the weft for weaving are made of high-performance composite fibers, then the warp and the weft are woven to form a fabric layer, the fabric layer is compounded with the rubber compound of the outer layer and the inner layer after being activated, and the finished rubber water belt is prepared after vulcanization treatment.
The existing rubber water hose has the following defects: 1. the large-diameter rubber hose is not easy to wind and unfold and inconvenient to drain, and water is remained in the large-diameter rubber hose after the large-diameter rubber hose is used outdoors in winter, so that the hose is frozen; 2. the frozen large-caliber rubber hose is difficult to thaw in a short time, and no good method is available for thawing, so that normal use is affected; 3. under extreme conditions, the large-caliber rubber water hose freezes to affect emergency rescue and disaster relief.
Disclosure of Invention
The invention aims to provide a magnetic conduction self-thawing large-caliber rubber water hose to solve the problems in the background technology. The finished rubber water belt product has a magnetic conduction function, can be used for mildly heating the rubber water belt by utilizing a magnetic heating effect, and achieves a self-thawing function without damaging a product.
In order to achieve the purpose, the invention provides the following technical scheme:
magnetic conduction is from heavy-calibre rubber hosepipe that unfreezes, including outer glue film and interior glue film, be provided with the weaving layer between outer glue film and the interior glue film, the weaving layer is woven by warp and weft and is formed, the component of interior glue film and outer glue film is according to the weight ratio: 300-350 parts of rubber base material, 30-100 parts of filler, 20-80 parts of plasticizer, 3-8 parts of activator, 3-10 parts of adhesive, 10-20 parts of magnetic conductive material, 2-10 parts of stabilizer, 2-3 parts of flow promoter and 3-5 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres.
Preferably, the warp and weft of the woven layer are made of polyester industrial yarn, spun polyester or nylon.
Preferably, the rubber base material adopts one or more of NBR6250 type nitrile rubber, NBR3345 type nitrile rubber, NBR6280 type nitrile rubber, SG-800 type PVC resin and SG-5 type PVC resin.
Preferably, the filler is one or more of modified graphene oxide, carbon black and white carbon black.
Preferably, the plasticizer is one or two of dioctyl ester and epoxidized soybean oil.
Preferably, the active agent is one or more of zinc oxide, magnesium oxide and stearic acid.
Preferably, the adhesive is one or more of RA type rubber adhesive, RS type rubber adhesive and RE type rubber adhesive.
Preferably, the stabilizer is one or more of an organic tin stabilizer, a calcium-zinc composite stabilizer and a composite lead stearate stabilizer.
Preferably, the flow aid adopts one or two of PK-800 type flow aid and AT-42 type flow aid.
Preferably, the toughening agent is one or more of MBS toughening agent, CPE toughening agent and ACR toughening agent.
Compared with the prior art, the invention has the beneficial effects that: the inner rubber layer and the outer rubber layer are prepared from a rubber base material, a filling agent, a plasticizer, an active agent, an adhesive, a magnetic conductive material, a stabilizer, a flow assistant and a toughening agent, wherein the magnetic conductive material is one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres; the inner rubber layer and the outer rubber layer are internally provided with magnetic conductive materials, the whole large-caliber rubber water belt is heated in a mild heating mode by utilizing the magnetocaloric effect, and the product cannot be damaged due to local high temperature; the frozen large-caliber rubber hose can be unfrozen in a short time, the normal use is not influenced, and the efficiency of emergency rescue and disaster relief is ensured; the water in the water belt does not need to be drained, and the heating and the unfreezing can be carried out by using a low-power supply (such as a battery and the like) under the extreme condition.
Drawings
Fig. 1 is a structural schematic diagram of a magnetic conduction self-thawing large-caliber rubber water hose.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
magnetic conduction is from heavy-calibre rubber hosepipe that unfreezes, including outer glue film and interior glue film, be provided with the weaving layer between outer glue film and the interior glue film, the weaving layer is woven by warp and weft and is formed, the component of interior glue film and outer glue film is according to the weight ratio: 300 parts of rubber base material, 30 parts of filler, 20 parts of plasticizer, 3 parts of activator, 3 parts of adhesive, 10 parts of magnetic conductive material, 2 parts of stabilizer, 2 parts of flow promoter and 3 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres.
Wherein, the warp and weft of the weaving layer are made of terylene industrial yarn, spun terylene or nylon.
The rubber base material adopts one or more of NBR6250 type nitrile rubber, NBR3345 type nitrile rubber, NBR6280 type nitrile rubber, SG-800 type PVC resin and SG-5 type PVC resin.
The filler is one or more of modified graphene oxide, carbon black and white carbon black; the plasticizer is one or two of dioctyl phthalate and epoxidized soybean oil; the active agent is one or more of zinc oxide, magnesium oxide and stearic acid; the adhesive is one or more of RA type rubber adhesive, RS type rubber adhesive and RE type rubber adhesive; the stabilizer is one or more of an organic tin stabilizer, a calcium-zinc composite stabilizer and a composite lead stearate stabilizer; the flow aid is one or two of PK-800 type flow aid and AT-42 type flow aid; the toughening agent adopts one or more of MBS toughening agent, CPE toughening agent and ACR toughening agent.
Example 2:
magnetic conduction is from heavy-calibre rubber hosepipe that unfreezes, including outer glue film and interior glue film, be provided with the weaving layer between outer glue film and the interior glue film, the weaving layer is woven by warp and weft and is formed, the component of interior glue film and outer glue film is according to the weight ratio: 350 parts of rubber base material, 100 parts of filler, 80 parts of plasticizer, 8 parts of active agent, 10 parts of adhesive, 20 parts of magnetic conductive material, 10 parts of stabilizer, 3 parts of flow aid and 5 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres.
And the warp and the weft of the woven layer are both made of polyester industrial yarns.
The rubber base material adopts one or more of NBR6250 type nitrile rubber, NBR3345 type nitrile rubber, NBR6280 type nitrile rubber, SG-800 type PVC resin and SG-5 type PVC resin.
The filler is one or more of modified graphene oxide, carbon black and white carbon black; the plasticizer is one or two of dioctyl phthalate and epoxidized soybean oil; the active agent is one or more of zinc oxide, magnesium oxide and stearic acid; the adhesive is one or more of RA type rubber adhesive, RS type rubber adhesive and RE type rubber adhesive; the stabilizer is one or more of an organic tin stabilizer, a calcium-zinc composite stabilizer and a composite lead stearate stabilizer; the flow aid is one or two of PK-800 type flow aid and AT-42 type flow aid; the toughening agent adopts one or more of MBS toughening agent, CPE toughening agent and ACR toughening agent
Example 3:
magnetic conduction is from heavy-calibre rubber hosepipe that unfreezes, including outer glue film and interior glue film, be provided with the weaving layer between outer glue film and the interior glue film, the weaving layer is woven by warp and weft and is formed, the component of interior glue film and outer glue film is according to the weight ratio: 330 parts of rubber base material, 60 parts of filler, 70 parts of plasticizer, 7 parts of activator, 7 parts of adhesive, 13 parts of magnetic conductive material, 5 parts of stabilizer, 2.5 parts of flow promoter and 4 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres.
And the warp and the weft of the woven layer are both made of polyester industrial yarns.
The rubber base material adopts one or more of NBR6250 type nitrile rubber, NBR3345 type nitrile rubber, NBR6280 type nitrile rubber, SG-800 type PVC resin and SG-5 type PVC resin.
The filler is one or more of modified graphene oxide, carbon black and white carbon black; the plasticizer is one or two of dioctyl phthalate and epoxidized soybean oil; the active agent is one or more of zinc oxide, magnesium oxide and stearic acid; the adhesive is one or more of RA type rubber adhesive, RS type rubber adhesive and RE type rubber adhesive; the stabilizer is one or more of an organic tin stabilizer, a calcium-zinc composite stabilizer and a composite lead stearate stabilizer; the flow aid is one or two of PK-800 type flow aid and AT-42 type flow aid; the toughening agent adopts one or more of MBS toughening agent, CPE toughening agent and ACR toughening agent.
The inner rubber layer and the outer rubber layer are prepared from a rubber base material, a filling agent, a plasticizer, an active agent, an adhesive, a magnetic material, a stabilizer, a flow assistant and a toughening agent, wherein the magnetic material is one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres; the inner rubber layer and the outer rubber layer are internally provided with magnetic conductive materials, the whole large-caliber rubber water belt is heated in a mild heating mode by utilizing the magnetocaloric effect, and the product cannot be damaged due to local high temperature; the frozen large-caliber rubber hose can be unfrozen in a short time, the normal use is not influenced, and the efficiency of emergency rescue and disaster relief is ensured; the water in the water belt does not need to be drained, and the heating and the unfreezing can be carried out by using a low-power supply (such as a battery and the like) under the extreme condition.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. Magnetic conduction is from heavy-calibre rubber hosepipe that unfreezes, including outer glue film and interior glue film, be provided with the weaving layer between outer glue film and the interior glue film, the weaving layer is woven by warp and weft and is formed its characterized in that: the inner glue layer and the outer glue layer comprise the following components in percentage by weight: 300-350 parts of rubber base material, 30-100 parts of filler, 20-80 parts of plasticizer, 3-8 parts of activator, 3-10 parts of adhesive, 10-20 parts of magnetic conductive material, 2-10 parts of stabilizer, 2-3 parts of flow promoter and 3-5 parts of toughening agent; wherein, the magnetic conductive material adopts one or more of strontium ferrite magnetic powder, barium ferrite magnetic powder, sintered ferrite material powder for dry pressing and water-soluble nano ferroferric oxide magnetic spheres.
2. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the warp and weft of the woven layer are made of polyester industrial yarn, spun polyester or nylon.
3. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the rubber base material adopts one or more of NBR6250 type nitrile rubber, NBR3345 type nitrile rubber, NBR6280 type nitrile rubber, SG-800 type PVC resin and SG-5 type PVC resin.
4. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the filler is one or more of modified graphene oxide, carbon black and white carbon black.
5. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the plasticizer is one or two of dioctyl ester and epoxidized soybean oil.
6. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the active agent is one or more of zinc oxide, magnesium oxide and stearic acid.
7. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the adhesive is one or more of RA type rubber adhesive, RS type rubber adhesive and RE type rubber adhesive.
8. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the stabilizer is one or more of an organic tin stabilizer, a calcium-zinc composite stabilizer and a composite lead stearate stabilizer.
9. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the flow aid adopts one or two of PK-800 type flow aid and AT-42 type flow aid.
10. The magnetic conductive self-thawing large-caliber rubber water hose according to claim 1, which is characterized in that: the toughening agent adopts one or more of MBS toughening agent, CPE toughening agent and ACR toughening agent.
CN201911315994.5A 2019-12-19 2019-12-19 Magnetic conduction self-thawing large-caliber rubber water belt Pending CN111267425A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767648A (en) * 2012-05-10 2012-11-07 上海蓝翎管业科技有限公司 PVC (polyvinyl chloride) water pipe with organic fiber reinforced layer
CN106117639A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of ultra-high molecular weight polyethylene strengthens big flow conveying high-pressure flexible pipe and manufacture method thereof
JP2016207519A (en) * 2015-04-24 2016-12-08 株式会社大勇フリーズ Method for thawing frozen in-line water and thawing device used therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767648A (en) * 2012-05-10 2012-11-07 上海蓝翎管业科技有限公司 PVC (polyvinyl chloride) water pipe with organic fiber reinforced layer
JP2016207519A (en) * 2015-04-24 2016-12-08 株式会社大勇フリーズ Method for thawing frozen in-line water and thawing device used therefor
CN106117639A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of ultra-high molecular weight polyethylene strengthens big flow conveying high-pressure flexible pipe and manufacture method thereof

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