EP1111136B1 - Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application - Google Patents

Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application Download PDF

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Publication number
EP1111136B1
EP1111136B1 EP99125685A EP99125685A EP1111136B1 EP 1111136 B1 EP1111136 B1 EP 1111136B1 EP 99125685 A EP99125685 A EP 99125685A EP 99125685 A EP99125685 A EP 99125685A EP 1111136 B1 EP1111136 B1 EP 1111136B1
Authority
EP
European Patent Office
Prior art keywords
threads
plastic
sized
plastic sheet
acrylic glass
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.)
Expired - Lifetime
Application number
EP99125685A
Other languages
German (de)
English (en)
Other versions
EP1111136A1 (fr
Inventor
Egbert Dr. Schöla
Gerald Molnar
Mojmir Ruzicka
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Priority to DK99125685T priority Critical patent/DK1111136T3/da
Priority to AT99125685T priority patent/ATE270361T1/de
Priority to DE59909868T priority patent/DE59909868D1/de
Priority to ES99125685T priority patent/ES2219989T3/es
Priority to PT99125685T priority patent/PT1111136E/pt
Priority to EP99125685A priority patent/EP1111136B1/fr
Publication of EP1111136A1 publication Critical patent/EP1111136A1/fr
Application granted granted Critical
Publication of EP1111136B1 publication Critical patent/EP1111136B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0017—Plate-like elements

Definitions

  • the present invention relates to transparent Plastic discs made of acrylic glass with internal threads made of plastic, which arises in case of breakage Scraping together largely, procedures for Production of such transparent plastic discs as well the use of said plastic discs.
  • the invention relates to transparent Plastic discs, which in case of breakage of Plastic disc essentially no splinters or loose Fragments result, the plastic discs such Type are particularly suitable for noise barriers.
  • EP 0 531 982 also discloses transparent Plastic discs with internal plastic threads, the in the case of a break resulting fragments largely together, those disclosed in said EP Disks have embedded threads that are rich in contrast are and in a particularly aesthetic way of protection can serve in front of birds.
  • the present Invention is the object of a simple and inexpensive find feasible method, the production of transparent plastic discs made of acrylic glass with inside lying plastic threads allowed, the Matrix adhesion of the embedded filaments should be so large that the fragments, which in case of breakage of the Disc can occur, be backed up without it during continuous use under normal conditions, For example, as a noise barrier, an undesirable Replacement of the threads comes.
  • Acrylic glass is an object of the invention.
  • Preferred embodiments are the subject of the dependent claim 1 dependent Product claims.
  • the transparent acrylic glass sheets according to The invention is known per se to the person skilled in the art.
  • typical Disk thicknesses are 4 to 40 mm, preferably 12 up to 25 mm.
  • the discs are usually in one size manufactured from 1.5 mx 1 m to 2 mx 3 m, for special Applications are also larger or smaller versions possible.
  • the discs are usually largely clear transparent (transparent), preferably colorless or easy, z. B. smoky brown, tinted.
  • the colorless, crystal clear transparent plastic discs usually have one Transmittance of at least 70%, one is advantageous Transmission from 90 to 95%.
  • the embedded threads are made of plastic usually one with the polymer matrix of Acrylic glass incompatible plastic, for example Polyamide threads or polypropylene threads are suitable. Preferred are monofilament threads, d. H. Monofilaments. Usually, the threads run in the plastic disc horizontal, as the discs are clamped laterally; the cohesion in case of a break is then special Cheap. As a rule, the threads become parallel to each other laid. If desired or required, two Layers of threads are inserted into the disk, which then preferably in two directions, with an angle of 90 ° between threads of different layers especially is advantageous. Such an embodiment looks from the outside looks like a mesh fabric.
  • the threads in such a way embed at least one of the embedded threads a maximum deflection of 1 mm or more from one the ends of the thread has imaginary straight line.
  • the somewhat sagging positioning of the Plastic threads in the acrylic glass matrix lodges certain circumstances to more favorable behavior as a noise barrier suitable panels in the relevant Tests, as the expert from the relevant standards are known.
  • the plates according to the invention are characterized that the embedded plastic threads at least partially are sifted. This means that either all Plastic threads can be completely finished, it but can also only some of the plastic threads, which in embedded in a plate, be finished, and indeed only partially.
  • a thread is at certain intervals, the preferably 0.5 to 1.5 m, more preferably about 1 m, to a certain length of about 2 to 10 cm sized.
  • AB system of the In sections the suture becomes possible Matrix adhesion of the embedded thread to the surrounding Acrylic glass matrix optimally to vary and on all to adapt to imaginable requirements. So can with an AB system of a partially cut thread the main part of the thread, d. H. the vast length a thread, loosely remain in the PMMA matrix, which in particular ensures the operation and still can by the procedure described fixing the Thread at the squeezed places optimally reached become. A replacement of the thread by the usual Temperature cycles by day and night will therefore locked out.
  • Lined threads indicate at least parts of their Surface the residues of a sizing agent on.
  • any known to the expert Simple with appropriate sizing agents in question come.
  • the plastic disk according to the invention is characterized in that the threads the residues of a Have sizing agent, which is a dissolved Contains phenol-formaldehyde resin. It has become part of the Invention shown that such a solved Formaldehyde resin particularly favorable concentration ranges for the finishing treatment while allowing one high variability in the setting of the matrix adhesion of the lightened threads brings with it.
  • the invention also relates to a method for Production of a transparent plastic disc Acrylic glass with internal threads made of plastic, which in Traps of fracture resulting fragments largely holding together, in which process the plastic threads embedded in the acrylic glass, wherein the Process characterized in that the threads before the Embedding is easy.
  • the separation of the thread from the matrix, which is the cause of the glittering or glittering of the threads can be Avoid using a sizing treatment.
  • Sizing come, as already mentioned, in principle all means familiar to the skilled person for this purpose Question.
  • Particularly preferred are Sizing agent, the dissolved phenol-formaldehyde resin exhibit.
  • the threads are treated prior to embedding in the acrylic glass matrix with a sizing agent which has approximately the following composition: phenol ⁇ 10% formaldehyde ⁇ 2% methanol ⁇ 2% ethanol ⁇ 30%
  • the phenolformaldehyde mixture is acid catalysed with Paratoluene sulfonic acid reacted and with the sizing threads in a suitable manner then in contact brought.
  • the threads either completely, d. H. according to the full length, or be contacted in sections with the size.
  • the Filaments After treatment of the threads with the sizing, the Filaments dried and then in the usual way in the Embedded acrylic glass matrix.
  • the adhesion of the sized threads to the matrix can occur be influenced in different ways. For one thing, the Type of sizing can be varied. On the other hand, at the Finishing treatment also the concentration of Sizing agent in the size to vary the adhesion be set at the matrix. Finally you can do that threads to be embedded in whole or in sections contact the sizing along its length. It is also possible to use completely sized threads or partially sized threads, d. H. in sections sized threads, together with ungeschlichteten threads in to embed one and the same plastic disc.
  • Phenol-formaldehyde resin size has been found that a certain concentration range in the Sizing treatment is particularly favorable. Too high Sizing concentration can be the matrix adhesion of the thread become too big, so that it is in destructive attempts of the transparent plastic discs according to the invention embedded plastic threads to the appearance of free Fragments can come. When breaking the acrylic sheets can tear the polyamide thread, as by a too strong Liability an expansion is no longer possible. Around Problem of sizing concentration (matrix adhesion) too and yet take advantage of the fixation of the Plastic thread in the plate to ensure for example, the abovementioned AB systems be used.
  • the plastic threads are present embedding in the matrix at a distance of 0.5 to 1.5 m in 2 to 10 cm in length treated with size, so after the Embedding of such pretreated threads the main body of the thread loosely remains in the PMMA matrix while the Operation, i. e. the fixation of the thread, nevertheless is reached.
  • the concentration of Adjust the sizing so that the matrix adhesion of the The thread is so large that fragments that break up are be largely held together without it at Temperature stresses in the range of -20 to 120 ° C for Replacement of the threads comes.
  • the invention also includes the use the discs described for a noise barrier.
  • Example 2 The procedure was as in Example 1, only with the Difference that the thread every 80 cm to a length of 5 cm was impregnated. The sizing concentration was here again 0.6%. This variant is advantageous because the risk of overdosing Plain is not given, the fixation of the thread in the PMMA matrix is guaranteed and the mobility of the Thread is still present, so when Destruction attempt here also no free fragments occurred.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Surface Treatment Of Glass (AREA)
  • Reinforced Plastic Materials (AREA)

Claims (13)

  1. Plaque en matière plastique transparente en verre acrylique ayant, à l'intérieur, des fils en matière plastique qui, en cas de rupture, maintiennent largement la cohésion des fragments qui se forment,
    caractérisée en ce que
    les fils en matière plastique sont encollés au moins partiellement.
  2. Plaque en matière plastique selon la revendication 1,
    caractérisée en ce que
    les fils en matière plastique noyés à l'intérieur sont entièrement encollés.
  3. Plaque en matière plastique selon la revendication 1,
    caractérisée en ce que
    les fils situés à l'intérieur sont encollés par segments.
  4. Plaque en matière plastique selon la revendication 3,
    caractérisée en ce que
    les fils sont encollés à des intervalles d'environ 0,5 à 1,5 m sur une 20 longueur d'environ 2 à 10 cm.
  5. Plaque en matière plastique selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les fils présentent les résidus d'un agent d'encollage qui renferme une résine phénol-formaldéhyde dissoute.
  6. Plaque en matière plastique selon l'une quelconque des revendications précédentes 1 à 5,
    caractérisée en ce que
    les fils sont des fils monofilaments en polyamide et/ou polypropylène.
  7. Procédé de fabrication d'une plaque en matière plastique transparente en verre acrylique ayant, à l'intérieur, des fils en matière plastique qui, en cas de rupture, maintiennent largement la cohésion des fragments qui se forment, procédé selon lequel les fils en matière plastique sont noyés dans le verre acrylique,
    caractérisé en ce que
    l'on encolle, du moins partiellement, les fils en matière plastique avant 5 de les noyer.
  8. Procédé selon la revendication 7,
    caractérisé en ce que
    les fils sont traités avec un agent d'encollage à base de résine phénol-10 formaldéhyde dissoute.
  9. Procédé selon la revendication 7 ou 8,
    caractérisé en ce que
    l'on encolle les fils sur toute leur longueur.
  10. Procédé selon la revendication 7 ou 8,
    caractérisé en ce que
    l'on encolle les fils par segments sur la longueur.
  11. Procédé selon la revendication 10,
    caractérisé en ce que
    l'on encolle les fils à des intervalles d'environ 0,5 à 1,5 m sur une longueur d'environ 2 à 10 cm.
  12. Procédé selon l'une quelconque des revendications précédentes 7 à 11,
    caractérisé en ce que
    l'on ajuste la concentration de l'agent d'encollage de manière à ce que l'adhérence matricielle du fil soit telle qu'en cas de rupture, la cohésion des fragments qui se forment soit largement maintenue sans que les fils se détachent à des sollicitations thermiques comprises entre ―20 et 120°C.
  13. Utilisation des plaques en matière plastique selon l'une quelconque des revendications précédentes 1 à 6, ou des plaques en matière plastique pouvant être obtenues conformément aux revendications 7 à 12, pour une paroi d'isolation phonique.
EP99125685A 1999-12-22 1999-12-22 Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application Expired - Lifetime EP1111136B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK99125685T DK1111136T3 (da) 1999-12-22 1999-12-22 Transparent plastplade af acrylglas, fremgangsmåde til fremstilling heraf samt dens anvendelse
AT99125685T ATE270361T1 (de) 1999-12-22 1999-12-22 Transparente kunststoffscheibe aus acrylglas, verfahren zu ihrer herstellung sowie verwendung
DE59909868T DE59909868D1 (de) 1999-12-22 1999-12-22 Transparente Kunststoffscheibe aus Acrylglas, Verfahren zu ihrer Herstellung sowie Verwendung
ES99125685T ES2219989T3 (es) 1999-12-22 1999-12-22 Laminas de plastico trnsparente de cristal acrilico, procedimiento para su fabricacion y su uso.
PT99125685T PT1111136E (pt) 1999-12-22 1999-12-22 Vidro sintetico transparente em acrilico processo para producao do mesmo bem como utilizacao
EP99125685A EP1111136B1 (fr) 1999-12-22 1999-12-22 Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99125685A EP1111136B1 (fr) 1999-12-22 1999-12-22 Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application

Publications (2)

Publication Number Publication Date
EP1111136A1 EP1111136A1 (fr) 2001-06-27
EP1111136B1 true EP1111136B1 (fr) 2004-06-30

Family

ID=8239692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99125685A Expired - Lifetime EP1111136B1 (fr) 1999-12-22 1999-12-22 Plaque en matière plastique transparente de verre acrylique, son procédé de fabrication et son application

Country Status (6)

Country Link
EP (1) EP1111136B1 (fr)
AT (1) ATE270361T1 (fr)
DE (1) DE59909868D1 (fr)
DK (1) DK1111136T3 (fr)
ES (1) ES2219989T3 (fr)
PT (1) PT1111136E (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59001476D1 (de) * 1989-07-13 1993-06-24 Degussa Als laermschutzelemente geeignete platten aus acrylglas.
DE4130467A1 (de) 1991-09-13 1993-03-18 Degussa Transparente kunststoffscheibe mit vogelschutz und deren verwendung
DE9212399U1 (de) * 1992-09-15 1993-04-15 Simon, Ernst Otto Karl, 8702 Erbshausen Lärmschutzwandsegment
DE4326232A1 (de) * 1993-08-05 1995-02-09 Roehm Gmbh Kunststoff-Verbunde aus unverträglichen Kunststoffen
DE19539214A1 (de) * 1995-10-21 1997-04-24 Degussa Brandsicheres, transparentes Scheibenelement und dessen Verwendung

Also Published As

Publication number Publication date
DE59909868D1 (de) 2004-08-05
ES2219989T3 (es) 2004-12-01
EP1111136A1 (fr) 2001-06-27
PT1111136E (pt) 2004-09-30
DK1111136T3 (da) 2004-11-08
ATE270361T1 (de) 2004-07-15

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