A review.The progresses of world-wide PVC production technol. in recent years were introduced in aspects of raw materials, clean production, polymerization processes, and additives, including the followings: 1. producing vinyl chloride by using methane from renewable resources as raw materials, or by the dehydration of chloroethanol, in the absence of mercury catalyst; 2. fully utilizing the effluent heat both from the top and the bottom of distillation columns, to cut energy consumption by 10%-20%.3. The living radical polymerization of vinyl chloride conducted by single electron transfer-degenerative chain transfer-mediated living radical polymerization technol., to achieve the polymerization of vinyl chloride at room temperature, controllable mol. weight of PVC polymer, and no addition of plasticizers during processing.4. The addition of a kind of water soluble transition metal salt and a kind of complexing agent into the microsuspension polymerization system of vinyl chloride, to speed up the early polymerization significantly, increase the thermal stability of PVC resins, and reduce residual monomer content; 5. a kind of modified polyvinyl alc. obtained by copolymerization and hydrolysis of a small amount of maleate ester and vinyl acetate, which was used as the dispersant in small amount in polymerization of vinyl chloride to realize less scales on polymerizers, increase in apparent d. of PVC resins, and reduction in fish eye number6. Asym. ring polybasic acid esters and acetone derivatives, used as environmental friendly plasticizer with superior performance and low cost to fully replace toxic benzoic acid ester plasticizer.

Lujian Gongye

Comparison of two kinds of process for the production of solid caustic soda

Author: Li, Xuebin ; Wei, Yong ; An, Likai ; Chen, Shuyan ; Jin, Lei

Two kinds of process for the production of solid caustic soda, i.e. the traditional pot process and the molten salt process, were compared in the respects of heating way, control way, product quality and economic benefits.The results showed that producing solid caustic soda by the molten salt process increased output, improved product quality, decreased labour intensity of operation effectively and solved the problem of environmental pollution.

Zhongguo Lujian

New technology for production of vinyl chloride at home and abroad

Author: Xue, Zhi-hua ; Wang, Cheng-bo ; Chen, Bo

A review on production of vinyl chloride , including using methane to prepare ethylene and acetylene.

100 Deals associated with Liaoning Fangda Engineering Design Co., Ltd.

100 Translational Medicine associated with Liaoning Fangda Engineering Design Co., Ltd.

Corporation Tree

Boost your research with our corporation tree data.

view full example data

Pipeline

Pipeline Snapshot as of 07 Dec 2025

No data posted

Deal

Boost your decision using our deal data.

view full example data

Translational Medicine

Boost your research with our translational medicine data.

view full example data

Profit

Explore the financial positions of over 360K organizations with Synapse.

view full example data

Grant & Funding(NIH)

Access more than 2 million grant and funding information to elevate your research journey.

view full example data

Investment

Gain insights on the latest company investments from start-ups to established corporations.

view full example data

Financing

Unearth financing trends to validate and advance investment opportunities.

view full example data

AI Agents Built for Biopharma Breakthroughs

Accelerate discovery. Empower decisions. Transform outcomes.

Get started for free today!

Accelerate Strategic R&D decision making with Synapse, PatSnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.

Start your data trial now!

Synapse data is also accessible to external entities via APIs or data packages. Empower better decisions with the latest in pharmaceutical intelligence.

Bio

Bio Sequences Search & Analysis

Chemical

Chemical Structures Search & Analysis

Liaoning Fangda Engineering Design Co., Ltd.

Overview

Related

Corporation Tree

Pipeline

Pipeline Snapshot as of 07 Dec 2025

Deal

Translational Medicine

Profit

Grant & Funding(NIH)

Investment

Financing