DE1012013B - Process for the production of glued socket connections of polyethylene pipes - Google Patents

Process for the production of glued socket connections of polyethylene pipes

Info

Publication number
DE1012013B
DE1012013B DEC12765A DEC0012765A DE1012013B DE 1012013 B DE1012013 B DE 1012013B DE C12765 A DEC12765 A DE C12765A DE C0012765 A DEC0012765 A DE C0012765A DE 1012013 B DE1012013 B DE 1012013B
Authority
DE
Germany
Prior art keywords
production
socket connections
polyethylene
glued
polyethylene pipes
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
DEC12765A
Other languages
German (de)
Inventor
Dr Richard Kraft
Dr Georg Wick
Dr Helmut Koenig
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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Priority to DEC12765A priority Critical patent/DE1012013B/en
Priority to DEC14614A priority patent/DE1056889B/en
Priority to GB3080/57A priority patent/GB810891A/en
Priority to FR1166623D priority patent/FR1166623A/en
Publication of DE1012013B publication Critical patent/DE1012013B/en
Pending legal-status Critical Current

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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
    • C09J167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7316—Surface properties
    • B29C66/73161—Roughness or rugosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene

Description

DEUTSCHESGERMAN

Es ist bekannt, daß man Polyäthylen durch Schweißen miteinander verbinden kann. Durch Erwärmen des Materials auf Schweißtemperatur verändert sich jedoch das Gefüge irreversibel, so daß die Festigkeit des Materials stark beeinträchtigt wird. Versuche, Polyäthylen zu verkleben, haben bislang noch nicht befriedigen können. Auf der wachsartigen Oberfläche haften die Klebstoffe außerordentlich schlecht. So können die aus Lösungen von Mischpolymerisaten des Äthylens mit Vinylacetat in aromatischen Kohlenwasserstoffen erhaltenen Klebstoffe ebensowenig befriedigen wie die Mischungen aus Polyäthylen mit cyclisiertem Kautschuk.It is known that polyethylene can be joined together by welding. By heating However, the structure of the material changes irreversibly at welding temperature, so that the Strength of the material is severely impaired. Attempts to glue polyethylene have so far still cannot satisfy. The adhesives adhere extremely well to the waxy surface bad. Thus, from solutions of copolymers of ethylene with vinyl acetate in aromatic Adhesives obtained from hydrocarbons are just as unsatisfactory as the mixtures of Polyethylene with cyclized rubber.

Es wurde gefunden, daß man geklebte Muffenverbindungen von Polyäthylenrohren vorteilhaft herstellen kann, wenn man als Kleber ungesättigte Polyesterharze verwendet. Unter ungesättigten Polyesterharzen werden Mischungen von ungesättigten Polyestern mit Vinylverbindungen, vorzugsweise aromatischen Vinylverbindungen, wie Styrol, Methylstyrol, Chlorstyrol usw., verstanden. Die ungesättigten Polyester sind aus Glykoien, beispielsweise ÄthylenglykoL Propandiol, Polyglykolen sowie gegebenenfalls auch polycyclischen mehrwertigen Alkoholen einerseits und zweibasischen Carbonsäuren, beispielsweise Gemischen von ungesättigten Säuren, wie Maleinsäure, Fumarsäure, Itaconsäure, den Diels-Alder-Addukten aus Maleinsäureanhydrid und Cyclopentadienen usw., mit gesättigten Säuren, wie Phthalsäure, Tetrachlorphthalsäure, Adipinsäure, Sebacinsäure usw., andererseits aufgebaut. Mit besonderem Vorteil verwendet man sogenannte lufttrocknende Polyestertypen, die entweder als Alkoholkomponente ganz oder teilweise polycyclische zweiwertige Alkohole mit einer Endomethylengruppe oder aber als Säurekomponente ganz oder teilweise Diels-Alder-Addukte von Maleinsäureanhydrid oder zweibasische Carbonsäuren mit polycyclischem Ringsystem mit Endomethylengruppen besitzen. Die ungesättigten Polyester werden in den ungesättigten Polyesterharzen mit 10 bis 90 Gewichtsprozent der monomeren Vinylverbindung, bezogen auf die Mischung, versetzt. Vor der Anwendung wird zur Härtung außerdem ein Polymerisationskatalysator, beispielsweise Cyclohexanonperoxyd, Methyläthylketonperoxyd, sowie gegebenenfalls ein Polymerisationsbeschleuniger, wie Kobaltnaphthenat, zugegeben.It has been found that glued socket connections of polyethylene pipes are advantageously produced if unsaturated polyester resins are used as the adhesive. Among unsaturated polyester resins are mixtures of unsaturated polyesters with vinyl compounds, preferably aromatic Vinyl compounds such as styrene, methylstyrene, chlorostyrene, etc., understood. The unsaturated polyester are made of glycols, for example ethylene glycol propanediol, polyglycols and possibly also polycyclic polyhydric alcohols on the one hand and dibasic carboxylic acids, for example mixtures of unsaturated acids such as maleic acid, fumaric acid, itaconic acid, the Diels-Alder adducts from maleic anhydride and cyclopentadienes etc., with saturated acids such as phthalic acid, tetrachlorophthalic acid, Adipic acid, sebacic acid, etc., on the other hand. Used with particular advantage one so-called air-drying polyester types, which are either wholly or partly as an alcohol component polycyclic dihydric alcohols with an endomethylene group or entirely as an acid component or partially Diels-Alder adducts of maleic anhydride or have dibasic carboxylic acids with a polycyclic ring system with endomethylene groups. The unsaturated polyesters are 10 to 90 percent by weight in the unsaturated polyester resins the monomeric vinyl compound, based on the mixture, added. Before use, the Curing also a polymerization catalyst, for example cyclohexanone peroxide, methyl ethyl ketone peroxide, and optionally a polymerization accelerator such as cobalt naphthenate added.

Als Polyäthylen kann man sowohl das nach dem Hochdruckverfahren als auch das nach dem Niederdruckverfahren hergestellte Material verwenden. Die geklebten Muffenverbindungen sind im Bereich von — 60 bis 100° beständig. Die Festigkeit der mit ungesättigten linearen Polyesterharzen geklebten gemufften Rohrverbindungen beträgt ein Mehrfaches der mit bekannten Klebern geklebten Rohrverbindun-As polyethylene, one can use either the high-pressure process or the low-pressure process Use manufactured material. The glued socket connections are in the range of - Resistant to 60 to 100 °. The strength of the sleeves glued with unsaturated linear polyester resins Pipe connections is a multiple of the pipe connections glued with known adhesives

Verfahren zur HerstellungMethod of manufacture

geklebter Muffenverbindungenglued socket connections

von Polyäthylenrohrenof polyethylene pipes

Anmelder:
Chemische Werke HülsApplicant:
Chemical works in Hüls

Aktiengesellschaft,
Marl (Kr. Recklinghausen)Corporation,
Marl (district of Recklinghausen)

Dr. Richard Kraft, Marl (Kr. Recklinghausen),Dr. Richard Kraft, Marl (district of Recklinghausen),

Dr. Georg Wick, Marl-Hüls (Kr. Recklinghausen),Dr. Georg Wick, Marl-Hüls (district of Recklinghausen),

und Dr. Helmut König, Gelsenkirchen-Buer,and Dr. Helmut König, Gelsenkirchen-Buer,

sind als Erfinder genannt wordenhave been named as inventors

gen. Dies ist besonders überraschend, weil für Polyäthylen wegen seiner wachs- bzw. paraffinartigen Oberflächenbeschaffenheit bislang noch kein gut haftender Kleber bekannt war und weil gerade Paraffine als Trennmittel bei der Verarbeitung von ungesättigten Polyesterharzen verwendet werden.gen. This is particularly surprising, because for polyethylene because of its wax-like or paraffin-like Surface quality has not yet been known to have a good adhesive and because it is straight Paraffins are used as release agents in the processing of unsaturated polyester resins.

AusführungsbeispielEmbodiment

Ein aus Niederdruck-Polyäthylen hergestelltes Rohr mit einem Außendurchmesser von 32 mm und einem Innendurchmesser von 27 mm wird geteilt und gemufft. Die Muffung erfolgt in bekannter Weise, indem ein Rohrende bis kurz unterhalb des Schmelzpunktes erwärmt und dann über das starre andere Rohrende gestülpt wird. Die Muffenlänge beträgt das 0,5-, das 1- bzw. das l,5fache des Durchmessers. Kühlt man das erhitzte Rohrende ab, so schrumpft dieses Rohrende auf. Zum Abziehen der Muffe benötigt manA tube made of low-pressure polyethylene with an outside diameter of 32 mm and an inner diameter of 27 mm is divided and lined. The muffing takes place in a known manner by one end of the pipe is heated to just below the melting point and then over the rigid other The end of the pipe is turned over. The sleeve length is 0.5, 1 or 1.5 times the diameter. If the heated pipe end is cooled, this pipe end shrinks. Required to pull off the sleeve man

bei einer Muffenlänge 0,5 · D .... 15 kg absolut,
bei einer Muffenlänge 1,0 · D .... 30 kg absolut,
bei einer Muffenlänge 1,5 · D .... 50 kg absolut.with a sleeve length of 0.5 D .... 15 kg absolute,
with a socket length of 1.0 D .... 30 kg absolute,
with a sleeve length of 1.5 · D .... 50 kg absolute.

Klebt man die so hergestellten Muffen mit einem ungesättigten Polyesterharz, das aus 70 Gewichtsteilen eines ungesättigten Polyesters und 30 Gewichtsteilen Styrol besteht und 3 Gewichtsteile einer 5O°/oigen Lösung von Cyclohexanonperoxyd in Dimethylphthalat als Katalysator sowie 1,5 Gewichts-One glues the sleeves produced in this way with an unsaturated polyester resin, which consists of 70 parts by weight of an unsaturated polyester and 30 parts by weight of styrene and 3 parts by weight of one 50% solution of cyclohexanone peroxide in dimethyl phthalate as a catalyst and 1.5 weight

709 587/377709 587/377

teile einer lO°/oigen Kobaltnaphthenat-Lösung in Styrol als Beschleuniger enthält, so benötigt man nach dem Aushärten des Klebers folgende Kräfte:contains parts of a 10% cobalt naphthenate solution in styrene as an accelerator, one needs after the following forces when the adhesive hardens:

Muffenlänge 0,5 · DSocket length 0.5 D

'Muffenlänge 1,O-D'Socket length 1, O-D

Muffenlänge 1,5 ■ DSleeve length 1.5 ■ D

360 kg absolut,
400"kg absolut,
440 kg absolut.360 kg absolute,
400 "kg absolute,
440 kg absolute.

543 229, so benötigt man zum Abziehen der Muffen folgende Kräfte:543 229, the following forces are required to pull off the sleeves:

Die zum Abziehen der Muffen erforderlichen Kräfte verändern sich mit' der Natur des Polyäthylens, insbesondere mit der Art und Menge der Füllstoffe in geringem Maße. Sie sind-jedoch wesentlich höher als bei Verwendung für Polyäthylen bereits vorgeschlagener Kleber. -■ The forces required to pull off the sleeves vary slightly with the nature of the polyethylene, in particular with the type and amount of fillers. They are, however, much higher than the adhesive already proposed for use for polyethylene. - ■

Verwendet man an Stelle des ungesättigten Polyesterharzes als Kleber einen auf Vinylbasis aufgebauten Kleber entsprechend der USA.-Patentschrift Muffenlänge 0,5 · D
Muffenlänge 1,0 · D
Muffenlänge 1,5 · DIf, instead of the unsaturated polyester resin, the adhesive used is a vinyl-based adhesive in accordance with the USA patent specification Muffenlänge 0.5 · D
Sleeve length 1.0 · D
Sleeve length 1.5 D

50 kg absolut, 70 kg absolut, 90 kg absolut.50 kg absolute, 70 kg absolute, 90 kg absolute.

Claims (1)

PatentanspruchClaim Verfahren zur Herstellung geklebter Muffenverbindungen von Polyäthylenrohren, dadurch gekennzeichnet, daß man als Kleber ungesättigte Polyesterharze verwendet.Process for the production of glued socket connections of polyethylene pipes, characterized in, that unsaturated polyester resins are used as the adhesive. In Betracht gezogene Druckschriften: USA.-Patentschriften Nr. 2 453 665, 2 453 666, 543 229.References considered: U.S. Patents Nos. 2,453,665, 2,453,666, 543 229. ··■: stfli·· ■: stfli
DEC12765A 1956-03-20 1956-03-20 Process for the production of glued socket connections of polyethylene pipes Pending DE1012013B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DEC12765A DE1012013B (en) 1956-03-20 1956-03-20 Process for the production of glued socket connections of polyethylene pipes
DEC14614A DE1056889B (en) 1956-03-20 1956-09-11 Process for the production of glued socket connections of polyethylene pipes
GB3080/57A GB810891A (en) 1956-03-20 1957-01-29 Improvements in stuck sleeve or socket joints in polyethylene pipes
FR1166623D FR1166623A (en) 1956-03-20 1957-02-04 Process for producing glued sleeved fittings for polyethylene pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC12765A DE1012013B (en) 1956-03-20 1956-03-20 Process for the production of glued socket connections of polyethylene pipes

Publications (1)

Publication Number Publication Date
DE1012013B true DE1012013B (en) 1957-07-11

Family

ID=7015281

Family Applications (1)

Application Number Title Priority Date Filing Date
DEC12765A Pending DE1012013B (en) 1956-03-20 1956-03-20 Process for the production of glued socket connections of polyethylene pipes

Country Status (3)

Country Link
DE (1) DE1012013B (en)
FR (1) FR1166623A (en)
GB (1) GB810891A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10238550A1 (en) * 2002-08-22 2004-03-18 Weber, Joachim, Dr. Friction welding unit for thermoplastic pipes comprises a pipe robot, a drive unit, a control unit for moving a friction welding mandrel and a press unit which presses the mandrel onto the inner pipe wall

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453666A (en) * 1944-01-21 1948-11-09 American Cyanamid Co Compound optical element cemented with a polyester of maleic acid
US2453665A (en) * 1943-12-29 1948-11-09 American Cyanamid Co Compound optical element cemented with a polyester of fumaric acid
US2543229A (en) * 1948-04-27 1951-02-27 Du Pont Polythene layer bonded to another layer by ethylene-vinyl acetate interpolymer adhesive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453665A (en) * 1943-12-29 1948-11-09 American Cyanamid Co Compound optical element cemented with a polyester of fumaric acid
US2453666A (en) * 1944-01-21 1948-11-09 American Cyanamid Co Compound optical element cemented with a polyester of maleic acid
US2543229A (en) * 1948-04-27 1951-02-27 Du Pont Polythene layer bonded to another layer by ethylene-vinyl acetate interpolymer adhesive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10238550A1 (en) * 2002-08-22 2004-03-18 Weber, Joachim, Dr. Friction welding unit for thermoplastic pipes comprises a pipe robot, a drive unit, a control unit for moving a friction welding mandrel and a press unit which presses the mandrel onto the inner pipe wall
DE10238550B4 (en) * 2002-08-22 2005-03-24 Weber, Joachim, Dr. Device for welding thermoplastic pipe elements

Also Published As

Publication number Publication date
GB810891A (en) 1959-03-25
FR1166623A (en) 1958-11-13

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