WO2014070034A1 - Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique - Google Patents

Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique Download PDF

Info

Publication number
WO2014070034A1
WO2014070034A1 PCT/RU2012/000895 RU2012000895W WO2014070034A1 WO 2014070034 A1 WO2014070034 A1 WO 2014070034A1 RU 2012000895 W RU2012000895 W RU 2012000895W WO 2014070034 A1 WO2014070034 A1 WO 2014070034A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
differing
executed
threads
reinforcing layer
Prior art date
Application number
PCT/RU2012/000895
Other languages
English (en)
Inventor
Dmitry Vyaceslavovich ALYAVDIN
Original Assignee
Alyavdin Dmitry Vyaceslavovich
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 Alyavdin Dmitry Vyaceslavovich filed Critical Alyavdin Dmitry Vyaceslavovich
Priority to PCT/RU2012/000895 priority Critical patent/WO2014070034A1/fr
Publication of WO2014070034A1 publication Critical patent/WO2014070034A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces

Definitions

  • the invention belongs to area of manufacturing of products from modified polymeric materials and can be used for production of heat expand products mainly sleeves which are intended for use as protective material possessing high resistance, insulating, anticorrosive properties.
  • Heat expand polymeric sleeves can be applied to protection of internal surfaces of pipes and pipelines of different function and also for trenchless restoration of worn-out pipelines of various diameters.
  • Imperfection of this method is the impossibility of receiving heat expand pipe capable to increase the diameter 1,5-3 times.
  • Imperfection of this method is the impossibility of receiving heat expand pipes capable to stand considerable mechanical breaking load in view of that it is made of a homogeneous polymeric material.
  • Use of technology of a polymeric material modifying by production of a heat expand polymeric sleeve or a pipe allows increasing mechanical strength up to 2 times in comparison with nonmodified polymer. But these parameters are not enough in the conditions of application of heat expand sleeve in trenchless technology of pipelines restoration (in particular at a sleeve tightening in a protected pipe).
  • heat expand sleeve within operating period can be exposed to considerable breaking efforts in view of direct aging and destruction of the main pipeline at the expense of corrosion that can lead to failures on the pipeline.
  • Problem of the invention is manufacturing of an intellectual heat expand sleeve from the thermoplastic polymer capable to increase the overall dimensions in cross-section at heating thanks to intellectual property of the modified polymer - «molecular memory of a form», and having the increased mechanical breaking strength, necessary for application of an intellectual heat expand polymeric sleeve at restoration of the pipelines maintained under pressure.
  • thermoplastic polymer including extrusion of a polymeric sleeve from thermoplastic polymer, modifying of an extruded sleeve, heating of the modified preform, size change of heated preform by an extract and profiling, cooling of the received product and during extrusion of a polymeric sleeve from thermoplastic polymer we receive polymeric sleeve consisting of two and more layers materials of each of layers choose on a condition of increase in mechanical durability of heat expand sleeve, quantity of layers is defined taking into account application task of a heat expand sleeve.
  • Polymer can be modified with the help of chemical or radiating method.
  • the technical result reached at the solution of an objective consists in increase in breaking strength of a heat expand sleeve from thermoplastic materials.
  • the multilayered heat expand sleeve was developed for the solution of an objective consisting at least of one polymeric layer and at least of one reinforcing layer executed from threads of fiber or a metal wire and materials of each layer are chosen according to condition of increase in mechanical stability of heat expand sleeve and the quantity of layers is chosen depending on application of heat expand sleeve.
  • the multilayered heat expand sleeve consisting at least of one polymeric layer and at least of one reinforcing layer executed from threads of fiber or a metal wire
  • the polyolefin As a material of a polymeric layer the polyolefin can be used.
  • polyethylene As a material of a polymeric layer polyethylene can be used.
  • the reinforcing layer can be executed from technical threads - lavsan, kapron, aramid.
  • the reinforcing layer can be executed in the form of at least two fibers or the threads bound with formation of extended structure with possibility of axial stretching.
  • Fibers or threads of a reinforcing layer can be executed from a natural material.
  • Fibers or threads of a reinforcing layer can be executed from a synthetic material.
  • Fibers or threads of a reinforcing layer can be executed from polyester or polyamide or a polyolefin.
  • Fibers or threads of a reinforcing layer can be executed from polyethylene terephthalate.
  • Fibers or threads of a reinforcing layer can be executed from aliphatic polyamide.
  • Fibers or threads of a reinforcing layer can be executed from nylon.
  • Fibers or threads of a reinforcing layer can be executed from aromatic polyamide.
  • Fibers or threads of a reinforcing layer can be executed from aramid combination.
  • Fibers or threads of a reinforcing layer can be executed from poli-n- fenilentereftalamid. Fibers or threads of a reinforcing layer can be executed from poliparafenilen- tereftalamid.
  • the reinforcing layer can be executed in the form of a spiral or a braid from a metal wire.
  • the three-layered reinforced intellectual heat expand polymeric sleeve consists of an inside layer - 1, consisting of the modified polymer, from a reinforcing layer in the form of a braid from technical threads - 2 or a metal wire and an external layer - 3, consisting of the modified polymer.
  • the method can be obtained in the following way.
  • the received modified preform heat up in any known way to a plastic condition of a polymer material pulling rollers through main calibers profile a pipe in the axial, radial directions and in a form of cross- section before reduction of its external overall dimensions in cross-section up to 3 from initial diameter of preform.
  • the deformed pipe-sleeve pass through a cooling bath to fix its sizes, profile and tension which has arisen in a material of polymer and the reinforcing layer at an extract and profiling. After cooling the received multilayered intellectual heat expand sleeve is taken up on the coil of an intake or cut on measured pieces and pack.
  • the deformed multilayered heat expand sleeve made in such a way possesses «effect of shape memory » and at repeated heating to plasticization temperature (80-140 °C) modified polymer gets its initial sizes and shapes.
  • plasticization temperature (80-140 °C) modified polymer gets its initial sizes and shapes.
  • wear resistance raises 15-35 times that allows to apply such sleeves as wearproof coverings in products with especially difficult working conditions.
  • One or several reinforcing layers increase mechanical durability of a heat expand sleeve several times depending on an applied material.
  • Example 1 At co-extrusion line for production of composite polymeric multilayered pipes strengthened by winding from a spiral steel wire of pipes of STR series at temperature 140 C°. They extrude 3- layered polymeric reinforced sleeve from high-pressure polyethylene of mark 153K, thus initially to granules of polyethylene the add 5 % of vinyltrimethoxysilane (simplified formula C2H4Si (OR) 3) for further providing of silane updating of polymer.
  • the received sleeve reinforced by a spiral steel wire with external diameter of 40,0 mm and thickness of 3,0 mm subject for updating process completion to processing within 5 hours in a water bath with water temperature 95°C.
  • the received stretched sleeve 1 stretch through a cooling bath with water temperature 20 C.
  • a sleeve has ability to "remember" the initial sizes when heating to temperature of 170 °C.
  • the received sleeve when heating to the specified temperature can increase in diameter up to 40 cm decreasing respectively at length 1,7 times.
  • Example 2 On the 3-layered co-extrusion line of STR series for production of composite, strengthened by winding from a synthetic thread of pipes at temperature of 145 °C they extrude polymeric reinforced sleeve from high pressure polyethylene of mark 153-1 OK. The received sleeve with external diameter of 21,0 mm and wall thickness of 3,0 mm subject to gamma irradiation on irradiating installation to the absorbed dose of 10 ⁇ 1 Mrad.
  • the modified sleeve pass through capacity with the glycerin heated up to temperature of 145 °C and by means of pulling device at speed 2,0M / min and effort of 10 kg/sec stretch the warmed-up sleeve from capacity to caliber in which sleeve reduces its diameter, thus caliber is cooled with turnaround water supply at temperature of 20 °C and has openings on the surface for ensuring vacuum pressing of an external wall of a sleeve to an internal wall of caliber.
  • turnaround water supply at temperature of 20 °C and has openings on the surface for ensuring vacuum pressing of an external wall of a sleeve to an internal wall of caliber.
  • At drawing of the warmed-up sleeve through caliber there occurs its extract up to diameter of 10,0 mm, thus there is an axial lengthening of tubular preform approximately 2,5 times.

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne le domaine de la fabrication de produits à partir de matériaux polymères modifiés et peut être utilisée dans la production de produits à dilatation thermique, principalement des manchons qui sont destinés à être utilisés comme matériau de protection. Le manchon comprend au moins une couche polymère et au moins une couche de renforcement conçue à partir de fils de fibre ou d'un fil métallique. L'invention permet d'augmenter la résistance mécanique à la traction d'un manchon à dilatation thermique.
PCT/RU2012/000895 2012-11-01 2012-11-01 Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique WO2014070034A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2012/000895 WO2014070034A1 (fr) 2012-11-01 2012-11-01 Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2012/000895 WO2014070034A1 (fr) 2012-11-01 2012-11-01 Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique

Publications (1)

Publication Number Publication Date
WO2014070034A1 true WO2014070034A1 (fr) 2014-05-08

Family

ID=50627779

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2012/000895 WO2014070034A1 (fr) 2012-11-01 2012-11-01 Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique

Country Status (1)

Country Link
WO (1) WO2014070034A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107351344A (zh) * 2017-07-20 2017-11-17 陕西优润安石油科技有限公司 一种油气田使用的非金属油管制备方法
EP3806942A4 (fr) * 2018-06-18 2022-07-06 Fresca Medical Inc. Tuyau tressé destiné à être utilisé dans des systèmes de traitement de l'apnée du sommeil qui découple des forces

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2385228C2 (ru) * 2008-02-18 2010-03-27 Дмитрий Вячеславович Алявдин Способ изготовления терморасширяемого рукава из термопластичного полимера (варианты)

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2385228C2 (ru) * 2008-02-18 2010-03-27 Дмитрий Вячеславович Алявдин Способ изготовления терморасширяемого рукава из термопластичного полимера (варианты)

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
E. FISHER.: "Ekstruziya plasticheskikh mass", CHEMISTRY, 1970, MOSCOW, pages 143 - 144, 148-151, 230-240 *
K. EVANS.: "Sleev technology", CHEMISTRY, 1978, MOSCOW, pages 7 - 8, 18-25, 31-32, 45, 93-96, 98-99 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107351344A (zh) * 2017-07-20 2017-11-17 陕西优润安石油科技有限公司 一种油气田使用的非金属油管制备方法
CN107351344B (zh) * 2017-07-20 2019-04-23 陕西优润安石油科技有限公司 一种油气田使用的非金属油管制备方法
EP3806942A4 (fr) * 2018-06-18 2022-07-06 Fresca Medical Inc. Tuyau tressé destiné à être utilisé dans des systèmes de traitement de l'apnée du sommeil qui découple des forces

Similar Documents

Publication Publication Date Title
US10221971B2 (en) Flexible pipe body and method of manufacture
JP6457330B2 (ja) 繊維強化樹脂複合管状構造体及びその製造方法
US20100266789A1 (en) Metal cord reinforced flexible pipe
US11754205B2 (en) Method and apparatus of making pipes and panels using a treated fiber thread to weave, braid or spin products
AU2005312130B2 (en) Plastic hollow body, especially plastic tube
CN105508747A (zh) 一种保温型热塑性增强复合管及加工方法
WO2014070034A1 (fr) Procédé de fabrication d'un manchon intelligent multicouche à dilatation thermique à partir de polymère thermoplastique
WO2014070040A1 (fr) Manchon intelligent multicouche à dilatation thermique en polymère thermoplastique
CN103672197A (zh) 超高分子量聚乙烯多层共挤矿用输送管及其制备方法
WO2012155910A1 (fr) Tuyau flexible libre
US20150240971A1 (en) Unbonded flexible pipe
RU132033U1 (ru) Многослойный интеллектуальный терморасширяемый рукав из термопластичного полимера
US9995416B2 (en) Flexible pipe body layer and method of producing same
CN105508807A (zh) 一种非开挖穿插用热塑性增强复合管及加工方法
JP4976017B2 (ja) 高圧ホース
KR101410609B1 (ko) 도시가스호스용 고압호스의 제조방법
RU2385228C2 (ru) Способ изготовления терморасширяемого рукава из термопластичного полимера (варианты)
AU2018319223B2 (en) Electrical conduit
RU173495U1 (ru) Труба стеклопластиковая щитовая для микротоннелирования из армированных термореактивных полимеров, изготовленная методом непрерывной намотки армирующих наполнителей
WO2017106956A1 (fr) Systèmes et processus pour revêtement et chemisage de tube hélicoïdal
RU168691U1 (ru) Изолированная труба с многослойными рабочими трубами
RU167304U1 (ru) Изолированная многослойная труба
CN206352693U (zh) 一种地热井泵用复合管

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12887562

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12887562

Country of ref document: EP

Kind code of ref document: A1