WO2024257904A1 - Tuyau agricole - Google Patents

Tuyau agricole Download PDF

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Publication number
WO2024257904A1
WO2024257904A1 PCT/KR2023/008083 KR2023008083W WO2024257904A1 WO 2024257904 A1 WO2024257904 A1 WO 2024257904A1 KR 2023008083 W KR2023008083 W KR 2023008083W WO 2024257904 A1 WO2024257904 A1 WO 2024257904A1
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WO
WIPO (PCT)
Prior art keywords
weight
parts
plasticizer
stabilizer
resin
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
PCT/KR2023/008083
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English (en)
Korean (ko)
Inventor
정상원
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Individual
Original Assignee
Individual
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Application filed by Individual filed Critical Individual
Priority to PCT/KR2023/008083 priority Critical patent/WO2024257904A1/fr
Publication of WO2024257904A1 publication Critical patent/WO2024257904A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/132—Phenols containing keto groups, e.g. benzophenones
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall

Definitions

  • the present invention relates to a cold-resistant hose used to transport high-pressure gas or fluid to a predetermined location, and more specifically, to an agricultural hose having excellent durability to prevent hose bursting while providing excellent cold resistance so that the hose can be used as an agricultural hose outdoors in extreme cold weather.
  • a hose is a pipe used to transport fluids such as water, gas, or flowable soil, and can be manufactured from a material with excellent flexibility so that it can bend freely.
  • the main purpose of the present invention is to provide an agricultural hose which can prevent bursting of a high-pressure hose by increasing durability, minimize damage caused by UV rays from sunlight, and have excellent cold resistance.
  • a tubular inner shell a first yarn continuously wound in a spiral shape at an angle of 105 to 110° on an outer surface of the inner shell, and a second yarn continuously wound in a direction intersecting the first yarn and overlapping the first yarn, the fabric interwoven layer being formed in a mesh shape on the outer surface of the inner shell; and a tubular outer shell formed to cover the fabric interwoven layer on the outer surface of the inner shell.
  • the inner shell comprises a resin and, with respect to 100 parts by weight of the resin, 45 to 53 parts by weight of a first plasticizer, 13.315 to 16.273 parts by weight of a second plasticizer, 5.391 to 6.589 parts by weight of a stabilizer, 17.993 to 21.991 parts by weight of a filler, 0.537 to 0.657 parts by weight of an antioxidant, 0.348 to 0.426 parts by weight of a UV stabilizer, and 0.711 to 0.869 parts by weight of a pigment
  • the outer shell comprises a resin and, with respect to 100 parts by weight of the resin, 45 to 55 parts by weight of a first plasticizer, 13.315 to 16.273 parts by weight of a second plasticizer, 2.151 to 2.629 parts by weight of a stabilizer, and 0.348 to 0.426 parts by weight of a pigment.
  • An agricultural hose is provided, comprising an antioxidant, 0.348 to 0.426 part by weight of a UV stabilizer, and 0.045 to 0.055 part by weight of
  • the first and second yarns of the fabric interwoven layer can be polyester reinforcing yarns.
  • the fabric woven layer can be formed by weaving or knitting the first and second yarns in an over and under pattern.
  • the vibration transmitted from the pump can be reduced, excellent durability can be achieved to prevent hose bursting and improve the service life, damage caused by UV rays of sunlight can be minimized, and excellent cold resistance can be achieved to prevent freezing even at low temperatures, so that it can be easily used outdoors in the cold winter.
  • the agricultural hose of one embodiment is suitable for use as an agricultural hose where most work is done outdoors without any covering and is frequently used to supply water even in cold winter.
  • FIG. 1 is a perspective view showing a hose according to one embodiment of the present invention.
  • Figure 2 is a cross-sectional view of Figure 1.
  • Figure 3 is an actual photograph of a hose according to one embodiment of the present invention.
  • Figure 4 is a property table showing the pressure length change rate and the pressure outer diameter change rate for a hose of one embodiment.
  • FIG. 1 is an exploded perspective view of a mobile fire suppression device according to an embodiment of the present invention
  • FIG. 2 illustrates a preferred embodiment of the present invention with reference to the accompanying drawings below.
  • the embodiment of the present invention may be modified into various other forms, and the scope of the present invention is not limited to the embodiment described below.
  • FIG. 1 is a perspective view showing a hose according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view of FIG. 1
  • FIG. 3 is an actual photograph of a hose according to an embodiment of the present invention.
  • a hose (100) according to one embodiment of the present invention includes an inner layer (10), a fabric interwoven layer (20), and an outer layer (20).
  • the endothelium (10) is formed in a tube shape and may be made of a material including rubber or resin to ensure flexibility.
  • the inner skin (10) of one embodiment may include a resin and, with respect to 100 parts by weight of the resin, 45 to 53 parts by weight of a first plasticizer, 13.315 to 16.273 parts by weight of a second plasticizer, 5.391 to 6.589 parts by weight of a stabilizer, 17.993 to 21.991 parts by weight of a filler, 0.537 to 0.657 parts by weight of an antioxidant, 0.348 to 0.426 parts by weight of a UV stabilizer, and 0.711 to 0.869 parts by weight of a pigment.
  • the inner skin (10) of one embodiment contains 25.96 parts by weight of a first plasticizer, 7.68 parts by weight of a second plasticizer, 3.11 parts by weight of a stabilizer, 10.38 parts by weight of a filler, 0.31 parts by weight of an antioxidant, 0.2 parts by weight of a UV stabilizer, and 0.41 parts by weight of a pigment, relative to 51.92 parts by weight of a resin.
  • the above resin (LS130) is a homopolymer manufactured by suspension polymerization and has properties such as an apparent specific gravity of 0.49 g/cm3, a degree of polymerization of 1250, a volatile matter of 0.1%, an average particle diameter of 135 ⁇ m, a particle size distribution (#45) of 0%, a particle size distribution (#200) of 1.8%, a plasticizer absorption amount of 29%, a thermal stability of 72 minutes (min), and a resin whiteness of 96 WI.
  • it can have improved soft compoundability because it has a high plasticizer absorption amount and a fast absorption speed.
  • the resin (LS130) is made of PVC particles that are uniformly spherical in shape, and the size of the PVC particles is adjusted to be suitable for soft processing using a plasticizer.
  • the resin (LS130) has a vivid color, excellent transparency, and excellent color expression performance when colored.
  • the above plasticizer acts to prevent the polymers from sticking strongly to each other by entering between polymers. Since a void space is created at this time, it is easy to make a considerably soft plastic, thereby improving processability and providing flexibility to the hose.
  • the first plasticizer may optionally be a dioctyl adipate or trioctyl trimellitate plasticizer, and the second plasticizer may be dioctyl adipate.
  • the above stabilizer may be a substance including zinc stearate, magnesium aluminum hydroxy carbonate and calcium stearate, and may play a role in preventing PVC from being decomposed by heat and oxidation, etc.
  • the above filler may be CaCO 3 and may play a role in increasing the density of the inner skin and improving the physical properties.
  • the above antioxidant may be tetrakis(methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid))methane, and it plays a role in increasing stability and extending the shelf life by inhibiting oxidation reaction that causes deterioration of product quality due to oxidation reaction in the air.
  • the above UV stabilizer may be 2-Hydroxy-4-(Octyloxy)Benzophenone, which selectively absorbs ultraviolet rays in sunlight and converts them into heat energy or extinguishes free radicals generated by decomposition by ultraviolet rays, thereby preventing plastic from decomposing in advance.
  • This lining (10) can be formed by applying heat of 160 to 180°C to a material prepared in a mold according to specifications and then extruding it into a tube shape under the pressure of an extruder.
  • the lining (10) may have excellent cold resistance and durability by including various types of additives as described above, and particularly including dioctyl adipate as a plasticizer and 2-hydroxy-4-(octyloxy)benzophenone as a UV stabilizer.
  • the fabric interwoven layer (20) is intended to provide durability capable of withstanding the internal pressure required for the inner lining (10), and effectively prevents the hose (100) from swelling or bursting in one direction by suppressing the inner lining (10) from stretching in the longitudinal direction.
  • the fabric interwoven layer (20) includes first yarns (21) and second yarns (22) that are wound in a direction crossing each other on the outer peripheral surface of the inner lining (10), and are formed in a mesh shape on the outer peripheral surface of the inner lining (10).
  • the first yarn (21) is continuously wound in a spiral shape at an angle of 105 to 110° on the outer surface of the inner skin (10).
  • the second yarn (22) is wound continuously in a spiral shape on the outer surface of the inner lining (10) so as to overlap with the first yarn (21) in a direction intersecting with the first yarn (21).
  • the fabric woven layer (20) can be formed by weaving or knitting the first and second yarns (21, 22) in an over and under pattern.
  • the first and second yarns (21, 22) can be arranged in the same over and under pattern, or can be arranged in different over and under patterns if necessary, and various configurations are possible.
  • first and second yarns (21, 22) may use, for example, thin filament yarns, preferably polyester reinforcing yarns, and the present invention is not limited to a specific yarn.
  • first and second yarns (21, 22) may be composed of a compound yarn made by plying two or more basic yarns.
  • first and second yarns (21, 22) may be made of the same thickness or may be made of different thicknesses if necessary, and the present invention is not limited thereto.
  • the outer shell (30) is formed to cover the fabric interwoven layer (20) on the outer surface of the inner shell (10) and is formed in a tube shape.
  • the outer shell (30) may be made of a material including rubber or resin to ensure flexibility.
  • the outer shell (30) of one embodiment may include a resin and, with respect to 100 parts by weight of the resin, 45 to 55 parts by weight of a first plasticizer, 13.315 to 16.273 parts by weight of a second plasticizer, 2.151 to 2.629 parts by weight of a stabilizer, 0.348 to 0.426 parts by weight of an antioxidant, 0.348 to 0.426 parts by weight of a UV stabilizer, and 0.045 to 0.055 parts by weight of a pigment.
  • a resin and, with respect to 100 parts by weight of the resin, 45 to 55 parts by weight of a first plasticizer, 13.315 to 16.273 parts by weight of a second plasticizer, 2.151 to 2.629 parts by weight of a stabilizer, 0.348 to 0.426 parts by weight of an antioxidant, 0.348 to 0.426 parts by weight of a UV stabilizer, and 0.045 to 0.055 parts by weight of a pigment.
  • the outer shell (30) of one embodiment comprises 59.43 parts by weight of resin, 29.71 parts by weight of first plasticizer, 8.79 parts by weight of second plasticizer, 1.42 parts by weight of stabilizer, 0.23 parts by weight of antioxidant, 0.23 parts by weight of UV stabilizer, and 0.03 parts by weight of pigment.
  • the above resin (LS130) can use a homopolymer manufactured by suspension polymerization
  • the first plasticizer can optionally use dioctyl adipate or trioctyl trimellitate plasticizer
  • the second plasticizer can use dioctyl adipate
  • the stabilizer can provide excellent heat resistance as a Ca-Zn based powder stabilizer
  • the antioxidant can be tetrakis(methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid))methane
  • the UV stabilizer can be 2-hydroxy-4-(octyloxy)benzophenone.
  • the outer shell (30) may have excellent cold resistance and durability by including various types of additives as described above, and particularly including dioctyl adipate as a plasticizer and 2-hydroxy-4-(octyloxy)benzophenone as a UV stabilizer.
  • Figure 4 is a property table for an agricultural hose according to one embodiment.
  • the inner cover contains 15 parts by weight of dioctyl adipate
  • the outer cover contains 15 parts by weight of dioctyl adipate and 300 g of UV stabilizer.
  • the inner diameter of the hose is 8.5 mm
  • the outer diameter is 14.5 mm
  • the hood is 3.2 mm.
  • the hose of one embodiment exhibited a pressure length change rate of -2.46% at 80 bar and -1.48% when the pressure was increased to 150 bar, and a pressure outer diameter change rate of 12.06% at 80 bar and 14.48% when the pressure was increased to 150 bar, indicating that the hose has excellent durability.
  • the agricultural hose (100) configured in this manner has excellent cold resistance, durability, and UV blocking performance, so it is less damaged even when used outdoors, and does not freeze easily even at low temperatures, so it can be used appropriately outdoors even on cold days. Therefore, it is very suitable for use as an agricultural hose.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention concerne un tuyau agricole ayant une excellente durabilité anti-éclatement et une excellente résistance au froid pour une utilisation agricole à l'extérieur par temps froid.
PCT/KR2023/008083 2023-06-13 2023-06-13 Tuyau agricole Pending WO2024257904A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2023/008083 WO2024257904A1 (fr) 2023-06-13 2023-06-13 Tuyau agricole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2023/008083 WO2024257904A1 (fr) 2023-06-13 2023-06-13 Tuyau agricole

Publications (1)

Publication Number Publication Date
WO2024257904A1 true WO2024257904A1 (fr) 2024-12-19

Family

ID=93852129

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/008083 Pending WO2024257904A1 (fr) 2023-06-13 2023-06-13 Tuyau agricole

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Country Link
WO (1) WO2024257904A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061720Y2 (ja) * 1988-03-31 1994-01-19 ヤマト消火器株式会社 消火栓
KR19980703732A (ko) * 1996-02-09 1998-12-05 하기와라세이지 열가소성 엘라스토머 조성물 및 그 제법과 열가소성엘라스토머 조성물을 사용한 호스 및 그 제법
KR101280686B1 (ko) * 2008-02-26 2013-07-01 더 게이츠 코포레이션 제어 신축 호스
KR20170133473A (ko) * 2015-04-22 2017-12-05 미쓰이 가가쿠 가부시키가이샤 폴리-1-뷰텐 수지 조성물 및 그로부터 얻어지는 성형체
WO2021014270A1 (fr) * 2019-07-24 2021-01-28 Fitt S.P.A. Tuyau pvc plastifié et son procédé de fabrication
KR20230088608A (ko) * 2021-12-11 2023-06-20 정상원 농업용 호스

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061720Y2 (ja) * 1988-03-31 1994-01-19 ヤマト消火器株式会社 消火栓
KR19980703732A (ko) * 1996-02-09 1998-12-05 하기와라세이지 열가소성 엘라스토머 조성물 및 그 제법과 열가소성엘라스토머 조성물을 사용한 호스 및 그 제법
KR101280686B1 (ko) * 2008-02-26 2013-07-01 더 게이츠 코포레이션 제어 신축 호스
KR20170133473A (ko) * 2015-04-22 2017-12-05 미쓰이 가가쿠 가부시키가이샤 폴리-1-뷰텐 수지 조성물 및 그로부터 얻어지는 성형체
WO2021014270A1 (fr) * 2019-07-24 2021-01-28 Fitt S.P.A. Tuyau pvc plastifié et son procédé de fabrication
KR20230088608A (ko) * 2021-12-11 2023-06-20 정상원 농업용 호스

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