Plastic Pipes Conference Association papers

In this section, you will find a database of all articles presented and published by PPCA in biannual conferences organized by PPCA since 1970.

PE100-RC IN LARGE DIAMETER SEA OUTFALL APPLICATIONS

Author(s) : Mark Yu, Dongyu Fang, Peck Tze Kang, Amos Tay , Fan Liu 2018 Las-Vegas

Large diameter pipe was introduced in refineries and petrochemical plant, desalination plant and power plant for water intake and sea out fall in the past decade. PE100-RC material was selectedfor its excellent balance of superior bi-modal stress crack resistance and consistent high stiffness modulus. Under the...

PERFORMANCE EVALUATION OF COUNTER-ROTATING CONTINUOUS MIXER AND CO-ROTATING TWIN SCREW EXTRUDER FOR HIGH DENSITY POLYETHYLENE

Author(s) : Sayaka Yamada, Kazuhide Sekiyama, Shiori Watanabe, Kazuo Yamaguchi, Hideo Funahashi 2018 Las-Vegas

Performance evaluation method of plastic mixers for high density polyethylene by using flow simulation is presented in this study. First, Mixing experiments were performed to find the mixing performance of mixers. Then, flow simulations using our original software in the mixers were carried out to know the important...

PERFORMANCE OF LARGE MARINE HDPE PIPES DURING THE SUBMERSION AS BASED ON LABORATORY TESTING

Author(s) : Ilija Radeljic, Ingemar Björklund 2018 Las-Vegas

Installations of solid wall HDPE pipes are becoming more difficult and riskier with the increase in diameter (OD2000+ mm), length of strings (1000+ meters) and reduction in the wall thickness (SDR26-30). To gain a better understanding of the limits of the final pipe assembly prior to the sinking, a laboratory tests in...

PIPELINE REPLACEMENT IN LAS VEGAS

Author(s) : Roger Jordan, Ryan Benner, Greg Kodweis 2018 Las-Vegas

The Las Vegas Valley Water District (District) delivers water to approximately 1.4 million residents within the City of Las Vegas and unincorporated Clark County. The District maintains more than 4500 miles of water pipeline ranging from 4-inches to 102- inches in diameter, as well as another 2,000 miles of...

POLYEHTHYLENE/ALUMINUM/POLYEHTHYLENE COMPOSITE PIPE FOR FUEL GAS APPLICATION

Author(s) : Baiqian Li, Jun Wang, Lixian Zheng, Xiaoyi Peng, Lei Wang, Yu Cui, Guozhi Xu 2018 Las-Vegas

Polyethylene/Aluminum/Polyethylene (PAP) composite pipe has the advantages of corrosion resistance, limited joints and convenient installation. Nowadays PAP pipes are widely used in indoor gas conveyance. But a number of companies encounter difficulties in installing gas meter in users’ house as well as billing....

POLYETHYLENE PIPELINE PERFORMANCE AGAINST EARTHQUAKE

Author(s) : Hideki Omuro, Tomokazu Himono 2018 Las-Vegas

In Japan, polyethylene (PE) pipe have been used for a long time, but its usage is limited for water service (low density PE / PE 50) and gas service (medium density PE / PE 80). However, after Hyogoken Nanbu Earthquake in 1995, it started to sell PE pipes for water distribution applications, because no damage on PE...

POLYOLEFIN PIPES IN THE MIDDLE EAST- TODAY AND TOMORROW

Author(s) : Robert Lawrence, Mohana Murali 2018 Las-Vegas

The paper covers the growth of the polyethylene pipe sector in the Middle East from the 90s to the present. The initial slow uptake was related to ignorance of the material properties from the end users through to designers and installers. Recently the Middle East has become a world leader in the use of ever larger...

PREPARATION AND STUDYING OF THERMOPLASTIC CROSS-LINKED POLYETHYLENE

Author(s) : Cheng Zhi, Mingyuan Hu, Kaige Duan, Chaoxi Zhou, Dongming Yu 2018 Las-Vegas

The PE properties are obviously improved by crosslinking modified to TPEX, which can approach to that of PEX, while still remaining thermoplastic. It can be processed by the common forming method of thermoplastic; the products can be hot-melted and the scrap can be processed to be reused. The two-layer structure...

PREPARATION AND STUDYING OF TWO-LAYER OXYGEN BARRIER PLASTIC PIPE

Author(s) : Mingyuan Hu, Dongming Yu, Zhangcheng Chen, Cheng Zhi, Kaige Duan 2018 Las-Vegas

Studying in barrier property of TLCP/PO alloy and EVOH/PO alloy. Filtrating formulas with extruding alloy into pipes. Trying to coat alloy on pipes and co-extrude into two-layer oxygen barrier plastic pipe. The traditional Ethylene vinyl alcohol copolymer (EVOH) barrier plastic pipe used in internal closed-loop...

PRESERVING MARINE ENVIRONMENT FROM HYDROCARBONS CONTAMINATION WITH LEAK-FREE PE100 PIPES USED IN OFF-SHORE OIL WELLS

Author(s) : Farraj Tashman, Mohamed Ali Jaber, Sultan Al Kendi 2018 Las-Vegas

Analysis of subsea PE100 pipeline conveying oil produced water effluent with traces of hydrocarbons was done after 5 years of leak-tight continuous operation at boundary conditions showed that properties of PE100 pipes are intact when benchmarked with test results conducted on reference pipe sample kept for this...

PRODUCT ENVIRONMENTAL FOOTPRINT (PEF) METHOD COMPARED WITH ENVIRONMENTAL PRODUCT DECLARATIONS (EPDS)

Author(s) : Ludo Debever, Peter Sejersen, Carolin Spirinckx 2018 Las-Vegas

Until today there are various ways of demonstrating the Environmental Performance of products, such as Life Cycle Assessments (LCA), Life Cycle Impact Assessments (LCIA), Environmental Performance Declarations (EPDs). The methods to obtain the result, however, can vary from country to country and can be interpreted...

Production of Potable Water Pipes for Chile Using the Inline Extrusion Process

Author(s) : Douglas D. Keller 2018 Las-Vegas

This paper describes the successful collaboration of a regulator, pipe producer and PE material supplier to demonstrate the conformance of pipes produced with inline extrusion compound to the requirement of the Chilean water pipe normative NCh398/1.Of2004 and also to the performance requirements of ISO 4427:2007 parts...

QUALITY ASSURANCE ON WELDED JOINTS WITH THE MECHANISED LINEAR SHEAR TEST (LST)

Author(s) : Juergen Wuest, Benjamin Baudrit, Frank Dorbath, Christopher Pommer 2018 Las-Vegas

A testing apparatus for determining the mechanical properties of electrofusion and heated tool sleeve welded joints with the mechanized linear shear test (LST) was developed. The LST-apparatus allows the recording of the force as a function of the extension / shear length. It has been proved that the linear shear test...

REHABILITATION OF ABANDONED DN1000MM STEEL PIPE WITH PE100 IN MALAYSIA

Author(s) : KianLin Ng, WengKeong Tan, KumHoong Lou 2018 Las-Vegas

Heavy and constant trucked container traffic combined with an accelerated ground settlement in a coastal reclaimed land caused a DN1000mm cement-lined mild steel water pipeline that crossed under it to sink by more than 6m from its original buried depth. This then caused the internal & external cement lining to...

SENSITIVITY OF STRAIN HARDENING MODULUS TO MOLECULAR STRUCTURE OF POLYETHYLENE

Author(s) : Suleyman Deveci, Senthil K. Kaliappan, Joel Fawaz, Umesh Gadgoli 2018 Las-Vegas

A series of non-commercial bimodal high density ethylene-α-olefin copolymers with systematically controlled molecular parameters over a wide range that would result in extremely low and high strain hardening modulus were prepared and tested Strain hardening modulus has been published as a standard test method (ISO...

SLOW CRACK GROWTH RESISTANCE OF NON-VIRGIN POLYMERS

Author(s) : Andreas Frank, Isabelle J. Berger, Mario Messiha, Carl-Gustaf Ek, Norbert Schuler, Jens-Martin Storheil, Erwin Mayrbäurl, Steve Heeley, Frank Krause, Lodewijk Niemöller, Philippe Gabriëls, Yogesh S. Deshmukh, Florian Arbeiter, Thomas Koch, Gerald Pinter 2018 Las-Vegas

In order to improve the circular economy of polymers in terms of sustainability and reduced carbon footprint, the increased use of recyclates has become a topic of major importance. Due to their long design lifetimes, pipe applications represent an excellent opportunity to create added value to non-virgin polymers. In...

SQUEEZE-OFF AND REROUNDING OF PLASTIC PRESSURE PIPES

Author(s) : Juergen Wuest, Mirko Wenzel, Andreas Bilsing, Peter Postma, Werner Wessing 2018 Las-Vegas

Within the scope of a DVGW (German Technical and Scientific Association for Gas and Water) research project the technology of squeezing-off for PE pipes at operating pressures higher than 1 bar and the extension to new materials with higher operating pressures were investigated. For this purpose the tightness of the...

STUDY ON PARAMETERS AFFECTING DURABILITY OF POLYETHYLENE PIPES FOR HOT WATER APPLICATION

Author(s) : Hirofumi Kyutoku, Kazuhisa Igawa, Hidekazu Honma, Sakiko Fukunishi, Hiroyuki Nishimura 2018 Las-Vegas

There are mainly two grades of polyethylene pipes for hot water supply and heating. The excellent molecular structure polyethylene resins having resistance to stress crack growth are used because hot water is flowed for a long time in both polyethylene pipes. Furthermore, various additives are mixed to prevent the...

STUDY ON THE RESISTANCE TO EXTERNAL PRESSURE TEST METHODS OF PLASTIC INSPECTION CHAMBERS

Author(s) : Zhang Wei, Wei Ruoqi, Zhou Minghong, Zhou Mingwei, 2018 Las-Vegas

This article gives a brief introduction of plastic inspection chambers in China. It focuses on the formulation of China's national standard for plastic inspection chambers and conducts the theoretical analysis and data validation of the key technical metrics in the standard for the following three tests: the...

SUSTAINABLE CONSTRUCTION - ENVIRONMENTAL IMPACT ANALYSIS OF INTEGRATING RECYCLED HDPE INTO CORRUGATED PIPING

Author(s) : D.W. Currence, B. Sauer 2018 Las-Vegas

Society’s call for improved stewardship of natural resources and public funds continues to grow. Combined with the challenges facing public infrastructure has resulted in the broadened expectation for sustainable and resilient materials and products to serve in these future public infrastructure needs....



Members of the Association

BOREALISBOROUGEINEOS O&PIRPCKorea Petrochemical IND. Co., LTDLyondellBasellPetroChina Dushanzi Petrochemical CompanyPRIME POLYMERSABICSCG Chemicals & Thai PolyethyleneSinopecTASNEE
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