SE505932C2 - Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör - Google Patents

Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör

Info

Publication number: SE505932C2
Authority: SE; Sweden
Prior art keywords: orientation; plastic; pipe; crosslinking; crosslinked
Prior art date: 1995-11-30

Application number

SE9504273A

Other languages

English (en)

Swedish (sv)

Other versions

SE9504273L (sv

SE9504273D0 (sv

Inventor

Carl-Gustaf Ek

Lars Hoejer

Original Assignee

Borealis As

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.)

1995-11-30

Filing date

1995-11-30

Publication date

1997-10-27

1995-11-30 Application filed by Borealis As filed Critical Borealis As

1995-11-30 Priority to SE9504273A priority Critical patent/SE505932C2/sv

1995-11-30 Publication of SE9504273D0 publication Critical patent/SE9504273D0/xx

1996-11-19 Priority to EP96941246A priority patent/EP0868296B1/de

1996-11-19 Priority to AU10442/97A priority patent/AU1044297A/en

1996-11-19 Priority to DK96941246T priority patent/DK0868296T3/da

1996-11-19 Priority to AT96941246T priority patent/ATE233173T1/de

1996-11-19 Priority to PCT/SE1996/001493 priority patent/WO1997019807A1/en

1996-11-19 Priority to DE69626406T priority patent/DE69626406T2/de

1996-11-19 Priority to US09/077,481 priority patent/US6325959B1/en

1996-11-19 Priority to ES96941246T priority patent/ES2193277T3/es

1996-11-19 Priority to EA199800494A priority patent/EA000705B1/ru

1997-05-31 Publication of SE9504273L publication Critical patent/SE9504273L/xx

1997-10-27 Publication of SE505932C2 publication Critical patent/SE505932C2/sv

Links

229920003023 plastic Polymers 0.000 title claims abstract description 86
239000004033 plastic Substances 0.000 title claims abstract description 86
239000000463 material Substances 0.000 title claims abstract description 69
229920000098 polyolefin Polymers 0.000 title claims abstract description 25
230000002093 peripheral effect Effects 0.000 claims abstract description 23
238000002844 melting Methods 0.000 claims abstract description 18
230000008018 melting Effects 0.000 claims abstract description 18
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 14
239000005977 Ethylene Substances 0.000 claims description 14
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 4
IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 4
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
239000007789 gas Substances 0.000 claims description 3
239000003345 natural gas Substances 0.000 claims description 2
238000004132 cross linking Methods 0.000 abstract description 62
238000001125 extrusion Methods 0.000 abstract description 12
238000000034 method Methods 0.000 description 36
238000001816 cooling Methods 0.000 description 17
229920001903 high density polyethylene Polymers 0.000 description 16
230000006872 improvement Effects 0.000 description 15
230000008569 process Effects 0.000 description 14
230000005855 radiation Effects 0.000 description 10
238000009864 tensile test Methods 0.000 description 7
NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 6
229920000554 ionomer Polymers 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
-1 polyethylene Polymers 0.000 description 5
230000008878 coupling Effects 0.000 description 4
238000010168 coupling process Methods 0.000 description 4
238000005859 coupling reaction Methods 0.000 description 4
239000012530 fluid Substances 0.000 description 4
229920000573 polyethylene Polymers 0.000 description 4
229920000642 polymer Polymers 0.000 description 4
229920002959 polymer blend Polymers 0.000 description 4
239000004698 Polyethylene Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
230000007423 decrease Effects 0.000 description 3
150000002978 peroxides Chemical class 0.000 description 3
230000002787 reinforcement Effects 0.000 description 3
238000010998 test method Methods 0.000 description 3
PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 3
XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000010924 continuous production Methods 0.000 description 2
239000011243 crosslinked material Substances 0.000 description 2
238000005520 cutting process Methods 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000000605 extraction Methods 0.000 description 2
230000001678 irradiating effect Effects 0.000 description 2
239000000178 monomer Substances 0.000 description 2
238000012360 testing method Methods 0.000 description 2
238000004804 winding Methods 0.000 description 2
PZWQOGNTADJZGH-SNAWJCMRSA-N (2e)-2-methylpenta-2,4-dienoic acid Chemical compound OC(=O)C(/C)=C/C=C PZWQOGNTADJZGH-SNAWJCMRSA-N 0.000 description 1
229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
229920006832 PE-MD Polymers 0.000 description 1
125000003158 alcohol group Chemical group 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
230000002238 attenuated effect Effects 0.000 description 1
238000010923 batch production Methods 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000006482 condensation reaction Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000007334 copolymerization reaction Methods 0.000 description 1
229920006037 cross link polymer Polymers 0.000 description 1
239000003431 cross linking reagent Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000010559 graft polymerization reaction Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
239000002198 insoluble material Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000003595 mist Substances 0.000 description 1
230000006855 networking Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000002861 polymer material Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
230000035939 shock Effects 0.000 description 1
229910000077 silane Inorganic materials 0.000 description 1
SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
125000005372 silanol group Chemical group 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000000454 talc Substances 0.000 description 1
229910052623 talc Inorganic materials 0.000 description 1
238000005496 tempering Methods 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
230000007704 transition Effects 0.000 description 1
239000004711 α-olefin Substances 0.000 description 1

Classifications

- 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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
- 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
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
- 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
- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0641—MDPE, i.e. medium density polyethylene
- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Rigid Pipes And Flexible Pipes (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Compositions Of Macromolecular Compounds (AREA)

SE9504273A 1995-11-30 1995-11-30 Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör SE505932C2 (sv)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
SE9504273A SE505932C2 (sv)	1995-11-30	1995-11-30	Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör
EA199800494A EA000705B1 (ru)	1995-11-30	1996-11-19	Напорная труба и способ её изготовления
AT96941246T ATE233173T1 (de)	1995-11-30	1996-11-19	Gebrauch von vernetzten polyolefinmaterial in druckleitungen
AU10442/97A AU1044297A (en)	1995-11-30	1996-11-19	Use of cross-linked polyolefins material in pressure pipes
DK96941246T DK0868296T3 (da)	1995-11-30	1996-11-19	Anvendelse af tværbundet polyolefinmateriale i trykrør
EP96941246A EP0868296B1 (de)	1995-11-30	1996-11-19	Gebrauch von vernetzten polyolefinmaterial in druckleitungen
PCT/SE1996/001493 WO1997019807A1 (en)	1995-11-30	1996-11-19	Use of cross-linked polyolefins material in pressure pipes
DE69626406T DE69626406T2 (de)	1995-11-30	1996-11-19	Gebrauch von vernetzten polyolefinmaterial in druckleitungen
US09/077,481 US6325959B1 (en)	1995-11-30	1996-11-19	Use of cross-linked polyolefins material in pressure pipes
ES96941246T ES2193277T3 (es)	1995-11-30	1996-11-19	Uso de material poliolefinico reticulado en tuberias de presion.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9504273A SE505932C2 (sv)	1995-11-30	1995-11-30	Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör

Publications (3)

Publication Number	Publication Date
SE9504273D0 SE9504273D0 (sv)	1995-11-30
SE9504273L SE9504273L (sv)	1997-05-31
SE505932C2 true SE505932C2 (sv)	1997-10-27

Family

ID=20400411

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9504273A SE505932C2 (sv)	1995-11-30	1995-11-30	Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör

Country Status (10)

Country	Link
US (1)	US6325959B1 (de)
EP (1)	EP0868296B1 (de)
AT (1)	ATE233173T1 (de)
AU (1)	AU1044297A (de)
DE (1)	DE69626406T2 (de)
DK (1)	DK0868296T3 (de)
EA (1)	EA000705B1 (de)
ES (1)	ES2193277T3 (de)
SE (1)	SE505932C2 (de)
WO (1)	WO1997019807A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4163385B2 (ja) *	1998-10-09	2008-10-08	積水化学工業株式会社	複合高圧管及びその接合方法
CN1982361B (zh)	2001-08-17	2011-11-16	陶氏环球技术有限责任公司	双峰聚乙烯组合物及其制品
WO2003031860A1 (en) *	2001-10-12	2003-04-17	Polymer & Steel Technologies Holding Company, L.L.C.	Composite pressure vessel assembly and method
PT1574772E (pt) *	2004-03-12	2008-07-23	Borealis Tech Oy	Tubo de pressão de polímero de etileno reticulado e processo para a sua preparação
US20070048472A1 (en) *	2005-08-30	2007-03-01	Krishnaswamy Rajendra K	Polymeric pipe and method of making a polymeric pipe
US7714035B1 (en) *	2006-07-05	2010-05-11	Nibco, Inc.	Plumbing manifolds
DE202007011565U1 (de) *	2007-08-17	2009-01-02	Rehau Ag + Co	Rohranordnung
DE202007017371U1 (de) *	2007-12-11	2009-04-16	Rehau Ag + Co	Erdwärmesonde aus vernetztem Polymermaterial
EP3573810B2 (de)	2017-01-26	2025-04-16	SABIC Global Technologies B.V.	Verfahren zur herstellung eines rohrs durch biaxiale dehnung
CN110494269A (zh)	2017-03-17	2019-11-22	Sabic环球技术有限责任公司	通过双轴向拉伸生产管子的方法
US11396124B2 (en) *	2017-03-30	2022-07-26	Sabic Global Technologies B.V.	Process for modifying and joining oriented pipes
EP3962710B1 (de)	2019-05-02	2023-12-06	SABIC Global Technologies B.V.	Rohr zum transport von chloriertem wasser
US12066145B2 (en)	2019-09-24	2024-08-20	Sabic Global Technologies B.V.	Biaxially oriented pipe
CN114502633B (zh)	2019-10-04	2024-11-19	Sabic环球技术有限责任公司	双轴向取向管
CN114728463A (zh)	2019-11-20	2022-07-08	Sabic环球技术有限责任公司	双轴取向管材
WO2021148352A1 (en)	2020-01-21	2021-07-29	Sabic Global Technologies B.V.	Pipe for transport of water containing chlorinated disinfectant
US20260049743A1 (en)	2022-08-24	2026-02-19	Sabic Global Technologies B.V.	Geothermal heating and cooling system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE643123A (de)	1963-01-31	1900-01-01
DE2051390A1 (de) *	1970-10-20	1972-04-27	Ver Deutsche Metallwerke Ag	Verfahren zum kontinuierlichen Er zeugen von Rohren aus vernetzten Polyole fm Kunststoffen
US4064296A (en)	1975-10-02	1977-12-20	W. R. Grace & Co.	Heat shrinkable multi-layer film of hydrolyzed ethylene vinyl acetate and a cross-linked olefin polymer
JPS57107821A (en) *	1980-12-25	1982-07-05	Sumitomo Electric Ind Ltd	Manufacture for cross linking polyethylene-tube
SE8206483L (sv)	1982-11-15	1984-05-16	Uponor Ab	Sett for orientering av materialet i ror av plast
WO1984001988A1 (en)	1982-11-18	1984-05-24	Wirsbo Bruks Ab	3-layer tube forming apparatus
WO1989007077A1 (en) *	1983-03-18	1989-08-10	Sun Joseph Zu	Heat shrinkable film
GB9206766D0 (en)	1992-03-27	1992-05-13	Bp Chem Int Ltd	Pipes and their manufacture
BR9610557A (pt) *	1995-09-20	1999-12-21	Uponor Bv	Produtos poliméricos orientados

1995
- 1995-11-30 SE SE9504273A patent/SE505932C2/sv not_active IP Right Cessation
1996
- 1996-11-19 AT AT96941246T patent/ATE233173T1/de not_active IP Right Cessation
- 1996-11-19 ES ES96941246T patent/ES2193277T3/es not_active Expired - Lifetime
- 1996-11-19 WO PCT/SE1996/001493 patent/WO1997019807A1/en not_active Ceased
- 1996-11-19 US US09/077,481 patent/US6325959B1/en not_active Expired - Lifetime
- 1996-11-19 EP EP96941246A patent/EP0868296B1/de not_active Expired - Lifetime
- 1996-11-19 DK DK96941246T patent/DK0868296T3/da active
- 1996-11-19 AU AU10442/97A patent/AU1044297A/en not_active Abandoned
- 1996-11-19 DE DE69626406T patent/DE69626406T2/de not_active Expired - Lifetime
- 1996-11-19 EA EA199800494A patent/EA000705B1/ru not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69626406T2 (de)	2003-07-10
AU1044297A (en)	1997-06-19
EP0868296A1 (de)	1998-10-07
SE9504273L (sv)	1997-05-31
EA199800494A1 (ru)	1998-12-24
EP0868296B1 (de)	2003-02-26
ATE233173T1 (de)	2003-03-15
EA000705B1 (ru)	2000-02-28
US6325959B1 (en)	2001-12-04
DK0868296T3 (da)	2003-03-31
SE9504273D0 (sv)	1995-11-30
ES2193277T3 (es)	2003-11-01
DE69626406D1 (de)	2003-04-03
WO1997019807A1 (en)	1997-06-05

Legal Events

Date	Code	Title	Description
2010-07-27	NUG	Patent has lapsed

Publication	Publication Date	Title
SE505932C2 (sv)	1997-10-27	Användning av förnätad biaxiellt orienterad polyolefinplast som material i tryckrör
KR930010553B1 (ko)	1993-10-28	수축 필름을 제조하는 방법
CA1284709C (en)	1991-06-11	Process for producing a crosslinked and oriented polyethylene film
EA000977B1 (ru)	2000-08-28	Ориентированные полимерные изделия
KR101873661B1 (ko)	2018-07-02	파이프 및 와이어 및 케이블 응용을 위한 흑색 화합물의 제조에서의 카본블랙의 직접적인 공급 / 압력관 응용을 위한 개선된 특성을 갖는 중합체 조성물
US11992997B2 (en)	2024-05-28	Biaxially oriented pipe with a thickened end portion
EP3595863B2 (de)	2024-07-03	Verfahren zur herstellung eines rohrs durch biaxiale dehnung
EP3573810B1 (de)	2021-06-30	Verfahren zur herstellung eines rohrs durch biaxiale dehnung
CN114728463A (zh)	2022-07-08	双轴取向管材
KR910005207B1 (ko)	1991-07-23	폴리아세탈 수지 필름의 제조방법
CN114502357B (zh)	2025-03-25	双轴向取向管
Yamasaki et al.	2014	Nano-Composite Heat-Shrinkable Tubing
JP4511646B2 (ja)	2010-07-28	２軸配向ポリオレフィン管の製造方法
Goettler	1983	Effects of Matrix Characteristics in the Processing of Short Fiber Composites
CS204523B1 (en)	1981-04-30	Method of making the tubular foils from the polyolefines