Truly international membership currently comprising 13 member companies: Borealis, Borouge, FPC, INEOS O&P, IRPC, Korea Petrochemical IND. Co., LTD, lyondellBasell, PetroChina Dushanzi Petrochemical Company, Prime Polymer, SABIC, SCG & Thai Polyethylene, Sinopec, and Tasnee.

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The technical development of PVC-U pipe

Wang Zhanjie

Papers # 2012 Barcelona

With diversity and wide applications, the PVC-U pipe production is ranked first in China among all the plastic pipes, although in recent years, its growth rate is the slower than polyolefin pipes. This paper introduces and reviews the PVC-U pipe application in China, describes recent technical development, such as raw material modification, processing technology improvement, PVC-M and PVC-O innovation. Keywords : PVC-U pipe, material modification, biaxial orientation, PVC-O, PVC-M

Please note that the whole article content is available on PPCA website onlySource : 2012 Barcelona

Author(s) : Wang Zhanjie 2018 Las-Vegas

As the largest production country, with numerous applications, China’s plastic pipe industry is developing steadily to meet the demand and needs. This paper analyzes the current situation and barriers, and proposes the breakthroughs to achieve a sustainable, stable and healthy development of China’s plastic pipe...

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....

The test method of metallic element for polyethylene plastic pipes or materials for pipes and its application

Author(s) : Xiaoying Lu, Yujie Wang, Qiang Huang, Chunyan Xu, Guangyu Zhu, Aimin Xiang, Linmei Wu, Yanfang Wang 2018 Las-Vegas

The determination method of metal elements for polyethylene pipes was reported in this paper, the difference in metal elements content between raw materials and recycled materials was analyzed. The results showed that raw and recycled materials in polyethylene pipes were effectively distinguished via metal element...

Advanced chemistry in PE polymerisation allow new possibilities for PE-RT type I resin

Author(s) : Alex Stolarz, Jian Wang 2016 Berlin

THE PE-RT TECHNOLOGY HAS EVOLVED SINCE IT HAS FIRST BEEN INVENTED 1982. AN ESTABLISHED TECHNOLOGY FOR HOT AND COLD SANITARY PIPES HAS POSITIONED ITSELF WELL WITHIN OTHER MATERIALS DUE TO THE EASY PROCESSING, HANDLING AND COST EFFICIENT PRODUCTION OF PIPES. RECENT TECHNOLOGY ALLOWS EVEN MORE FLEXIBLE RESINS TO BE...

Assessment of fusion degree of unplasticized poly (vinylchloride)(PVC-U) products using torque rheometer

Author(s) : Fu Zhimin, He Guoshan, Wang Wanjuan 2016 Berlin

Our research shows that in a torque rheometer test the greater the fusion degree of PVC-U is, the higher the minimum torque of the torque curve is, and the smaller the difference between the maximum torque and the minimum torque of the torque curve. According to the relationship, the method of evaluating the fusion...

Review of quality, application and development for PE pressure pipe in China

Author(s) : ZhanJie Wang, Cindy Wang 2016 Berlin

With the offers of whole value chain people, the application of PE pressure pipes has been increased widely in China since 1990’s, especially for gas pipes. Compounding PE material ensures the qualified pipes being used for infrastructure projects. There are some Innovation products from pipe producers to enlarge...

The influence of beta-crystal content in PP-RCT materials and calculations of the test pressure of pipe

Author(s) : Tu Xiang-qun, Wang Chao, Cheng Zhong-lin, Dong Bo-bo 2016 Berlin

This paper is to verify the impact of different contents of nucleating agent and annealing processes on the content of β-crystal. By using four-parameter equation of PP-RCT with requirements in different application conditions, different temperature coefficients and Miner's rules the design stress of PP-RCT materials...

Design Study on Wall Thickness and Structure of Polyolefin Socket Fusion Fittings

Author(s) : Tu Xiangqun, Wang Chao 2014 Chicago

Two kinds of comprehensions about the wall thickness of socket fusion fittings from GB/T 28799.3- 2012 have been analyzed in this paper. Socket wall thickness relative to the different value of pipe series of fusion fittings was calculated respectively, and two kinds of simplified calculation have been suggested. The...

Meeting the Need for Stiffer Large Diameter Plastics Pipes in China

Author(s) : Wang Liqun, Wu Gengtian, Qi Jun 2014 Chicago

In China demand is growing rapidly for large diameter plastic pipes due to urbanization and the need to protect the environment with improved storm-water management systems. Whilst plastic pipes are already used in China for underground sewage and drainage applications the properties and processing limitations of the...

Steel Wire Reinforced Thermoplastics (PE) Composite Pipe Cross Sea Laying Technology

Author(s) : Tang Guoqiang, Wang Wei 2014 Chicago

This paper briefly introduces the characteristics of steel wire reinforced thermoplastics (PE) composite pipe structure, domestic and foreign sea crossing pipeline laying method, methods and their advantages and disadvantages, welding installation of steel wire reinforced thermoplastics (PE) composite pipe laying...

The Current Situation of China Plastic Pipe Industry and Market Opportunities for Further Economic Development in the Future

Author(s) : Wang Zhanjie, Zhao Yan, Melody Guo 2014 Chicago

In recent years, the Chinese plastic pipe industry has maintained a high growth rate and in 2012 the production of plastic pipe in China amounted to over 11 million tons. This not only provides important benefits due to the outstanding performance of plastic pipe, such as corrosion resistance, smooth wall, easy...

The Influence of Additive Levels on PE-Xa Pipe Performance

Author(s) : Zhang SiLiang, Zhang ShuangQuan, Guo XiaoLing, Ren YunHong, Wang MingKe 2014 Chicago

This article describes the effect of additive, light and high temperature on PE-X pipe’s performance. By additive amount changes, will be have different influence to pipe’s brittleness resistance, bending strength, and aging resistance. As cross-linking agent’s content increasing, bending strength enhanced, but...

Industrial Application of PE pipes and Production Quality Control

Author(s) : Wang Zhiwei 2012 Barcelona

In recent years, considerable progress has been made in the quality of PE pipe materials and products. PE pipes have been widely used in the water and gas distribution market sectors. Also thanks to the excellent performance and chemical resistance of these high quality PE pipes they have been used in other markets,...

Introducing PP-HM Materials for Twin Wall Corrugated Pipes in China

Author(s) : Xu Yijiong, Liu lIangbing, Dongyu Fang, Cindy Wang, Jarmo Juhani Harjuntausta, Youssef Taha 2012 Barcelona

Key words : Corrugated pipe, PP-HM, PE, sewage, drainage Whilst plastic pipes are already used in China for underground sewage and drainage applications the properties and processing limitations of the materials used are such that they are not able to fulfill all the requirements for large diameter or higher...

The status and the next five-year development outlook of the China plastic pipe industry

Author(s) : Wang Zhanjie 2012 Barcelona

Since the late 1980’s the Chinese plastic pipe industry has maintained a high growth rate eventually becoming the largest producer of plastic pipe in the world. By 2010, the production of plastic pipe in China amounted to 8.4 million tons, with PVC, PE and PP pipe being the main products. Both the variety of pipe...

Analysis of the pipe failures in the 2008 frozen-rain & snow, earthquake in China

Author(s) : Zhanjie Wang, Robin Bresser & Cindy Wang 2010 Vancouver

The performance of utility pipelines for gas and water during natural disasters such as earthquakes has always been a matter of great concern. In 2008, two unexpected and serious natural disasters occurred in China. The first was the unprecedented cold weather in January, covering 6 provinces in southern China which...

Examination of Internal Notched Pipe Testing as an Accelerated Methodology for Evaluating the Oxidative Resistance of Plastic Piping Materials in Potable Water Applications

Author(s) : S. Chung, M. Conrad, S. Lee, K. Oliphant, M. Wang 2010 Vancouver

ASTM F2023 and ASTM F2263 have been used to evaluate the oxidative resistance of plastic piping materials to potable water. As a potential method to accelerate this testing, the use of internally notched pipe has been investigated and preliminary research has shown that the method appears to be able to generate the...

Pressure design of steel mesh reinforced plastic pipes

Author(s) : Zhan jie wang 2008 Budapest

The plastic pipeline industry of China has been developing fast since 1980’s, as the result of the continual market demands from the construction, municipal engineering, agriculture, etc. China has become one of the major plastic pipe producing and application countries.

China Plastics Pipe, Status, Development & Trend

Author(s) : Zhanjie 2008 Budapest