HRP20120011T1 - Postupak proizvodnje poliolefinskih filmova - Google Patents

Postupak proizvodnje poliolefinskih filmova Download PDF

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Publication number
HRP20120011T1
HRP20120011T1 HR20120011T HRP20120011T HRP20120011T1 HR P20120011 T1 HRP20120011 T1 HR P20120011T1 HR 20120011 T HR20120011 T HR 20120011T HR P20120011 T HRP20120011 T HR P20120011T HR P20120011 T1 HRP20120011 T1 HR P20120011T1
Authority
HR
Croatia
Prior art keywords
precisely
process according
pressure
bar
molecular weight
Prior art date
Application number
HR20120011T
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English (en)
Inventor
Wilhelmus Maria Gemma Peters Martinus
Original Assignee
Teijin Aramid B.V.
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
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40001393&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HRP20120011(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Teijin Aramid B.V. filed Critical Teijin Aramid B.V.
Publication of HRP20120011T1 publication Critical patent/HRP20120011T1/hr

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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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/228—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length using endless belts feeding the material between non-rotating pressure members, e.g. vibrating pressure members
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
    • B30B5/062—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band urged by directly-acting fluid pressure
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/48—Endless belts
    • B29C2043/483—Endless belts cooperating with a second endless belt, i.e. double band presses
    • 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
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Postupak proizvodnje filma od poliolefina ultra-visoke molekularne težine, a koji obuhvaća korake - podvrgavanje početnog poliolefina ultra-visoke molekularne težine, s prosječnom molekularnom težinom od najmanje 500 000 g/mol u obliku praha, koraku pretvorbe u kompaktni oblik (stlačivanje) pomoću izobarične preše - podvrgavanje kompaktnog poliolefina koraku valjanja i barem jednom koraku rastezanja pod uvjetima takvim da u niti jednom trenutku obrade polimera njegova temperatura ne poraste do vrijednosti koja je veća od njegova tališta. Patent sadrži još 14 patentnih zahtjeva.

Claims (15)

1. Postupak proizvodnje filma od poliolefina ultra-visoke molekularne težine, a koji obuhvaća korake - podvrgavanje početnog poliolefina ultra-visoke molekularne težine, s prosječnom molekularnom težinom od najmanje 500 000 g/mol u obliku praha, koraku pretvorbe u kompaktni oblik (stlačivanje) pomoću izobarične preše - podvrgavanje kompaktnog poliolefina koraku valjanja i barem jednom koraku rastezanja pod uvjetima takvim da u niti jednom trenutku obrade polimera njegova temperatura ne poraste do vrijednosti koja je veća od njegova tališta.
2. Postupak prema zahtjevu 1 gdje je izobarična preša kontinuirana dvo-remenska preša.
3. Postupak prema zahtjevu 1 ili 2 gdje se prašak poliolefina podvrgava koraku prethodnog zagrijavanja prije koraka pretvaranja u kompaktni oblik.
4. Postupak prema bilo kojem od prethodnih zahtjeva gdje je izobarična preša opremljena tlačnim jastucima koji primjenjuju pritisak na poliolefin.
5. Postupak prema bilo kojem od prethodnih zahtjeva gdje se materijal koristi kao nosač za potporu praha poliolefina u koraku stlačivanja i u bilo kojim prethodnim koracima.
6. Postupak prema bilo kojem od prethodnih zahtjeva gdje je izobarična preša opremljena stezaljkom čiji je kut ulaza manji od 4,5°.
7. Postupak prema bilo kojem od prethodnih zahtjeva gdje je izobarična preša opremljena s barem dvije zone tlaka, svaka zona tlaka radi pri tlaku većem od tlaka u prethodnoj zoni.
8. Postupak prema zahtjevu 6 gdje prva zona tlaka radi pri tlaku od najviše 10 bara, a barem jedna sljedeća zona tlaka radi pri tlaku većem od 10 bara.
9. Postupak prema bilo kojem od prethodnih zahtjeva gdje je tlak u koraku stlačivanja barem 25 bara, točnije barem 30 bara, točnije barem 35 bara, još točnije barem 40 bara, još točnije barem 45 bara, ili barem 50 bara.
10. Postupak prema bilo kojem od prethodnih zahtjeva gdje se korak rastezanja provodi pod uvjetima takvim da se dobije ukupni omjer rastezanja od barem 30, točnije barem 50, točnije barem 80, još točnije barem 100, točnije barem 120, točnije barem 140, točnije barem 160.
11. Postupak prema bilo kojem od prethodnih zahtjeva gdje je početni materijal UHMWPE s prosječnom molekularnom težinom od barem 500 000 g/mol.
12. Postupak prema bilo kojem od prethodnih zahtjeva gdje se korak stlačivanja provodi pri temperaturi koja je barem za 1°C niža od tališta slobodnog polimera, točnije barem za 3°C, još točnija barem za 5°C.
13. Postupak prema bilo kojem od prethodnih zahtjeva gdje se korak rastezanja provodi pri temperaturi koja je barem za 1°C niža od tališta polimera u uvjetima obrade, točnije barem za 3°C, točnije barem za 5°C.
14. Postupak prema bilo kojem od prethodnih zahtjeva gdje je gustoća početnog poliolefina manja od 0.50 g/cm3, točnije manja od 0.25 g/cm3, točnije manja od 0.18 g/cm3, točnije manja od 0.13 g/cm3.
15. Postupak prema bilo kojem od prethodnih zahtjeva gdje se temperatura u koraku stlačivanja održava konstantnom unutar temperaturnog raspona od 2°C.
HR20120011T 2008-06-19 2012-01-04 Postupak proizvodnje poliolefinskih filmova HRP20120011T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08158581 2008-06-19
PCT/EP2009/057614 WO2009153318A1 (en) 2008-06-19 2009-06-18 Process for manufacturing polyolefin films

Publications (1)

Publication Number Publication Date
HRP20120011T1 true HRP20120011T1 (hr) 2012-02-29

Family

ID=40001393

Family Applications (1)

Application Number Title Priority Date Filing Date
HR20120011T HRP20120011T1 (hr) 2008-06-19 2012-01-04 Postupak proizvodnje poliolefinskih filmova

Country Status (19)

Country Link
US (2) US8815134B2 (hr)
EP (1) EP2307180B1 (hr)
JP (1) JP5634395B2 (hr)
KR (2) KR20110031286A (hr)
CN (1) CN102066073B (hr)
AT (1) ATE532617T1 (hr)
AU (1) AU2009259363B2 (hr)
CA (1) CA2728488C (hr)
CY (1) CY1112244T1 (hr)
DK (1) DK2307180T3 (hr)
ES (1) ES2376139T3 (hr)
HR (1) HRP20120011T1 (hr)
IL (1) IL209818A (hr)
MX (1) MX2010014025A (hr)
PL (1) PL2307180T3 (hr)
PT (1) PT2307180E (hr)
RU (1) RU2487798C2 (hr)
SI (1) SI2307180T1 (hr)
WO (1) WO2009153318A1 (hr)

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Publication number Publication date
EP2307180A1 (en) 2011-04-13
CY1112244T1 (el) 2015-12-09
RU2011101692A (ru) 2012-07-27
ES2376139T3 (es) 2012-03-09
CN102066073B (zh) 2016-05-04
KR20110031286A (ko) 2011-03-25
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AU2009259363A1 (en) 2009-12-23
JP2011524826A (ja) 2011-09-08
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PT2307180E (pt) 2012-02-03
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