Complete Reactor Vessels

This equipment features a corrosion‑ and pressure‑resistant reactor body made of stainless steel/titanium, equipped with a dual‑mode mixing system featuring propeller‑type and turbine‑type agitators. Combined with intelligent temperature control via jacket and coil systems, it enables precise regulation of polymerization reaction temperatures. Multiple feed inlets support the precise proportioning of raw materials such as ethylene oxide and propane, while built‑in nitrogen purging and safety relief devices ensure oxidation protection and overpressure safeguarding. Specifically designed for the production of polyether polyols and other polymers, this equipment utilizes vacuum dehydration, staged feeding, and closed‑loop temperature control processes to achieve continuous, high‑efficiency synthesis. It is widely applicable across the daily chemical, pharmaceutical, and polymer materials industries, balancing capacity enhancement with intrinsic safety.

Polyester Reactor

Dual‑reactor configuration (0.5 L / 3 L) with a shared intelligent oil bath and vacuum system, featuring 316L stainless steel anchor agitators optimized for high‑viscosity materials. Temperature is precisely controlled via programmatic settings with an accuracy of ±0.5°C, while a two‑stage vacuum pump enables staged evacuation down to -0.1 to 2 MPa. The PLC touch screen provides real‑time monitoring of temperature–pressure curves. The system supports seamless switching between esterification and polycondensation processes, offers full data traceability, and specializes in the R&D of bio‑based and biodegradable polyesters, helping to achieve efficient polymer synthesis and process optimization.

Polyester polymerization complete set of equipment

Compatible with PET, PBT, PLA and other systems, it supports the entire process of esterification, polycondensation, and vacuum degassing, with a modular design that allows flexible expansion from 2 L to 50 L. Featuring high‑precision temperature control (±0.5℃), multi‑stage vacuum control, and real‑time viscosity and pressure monitoring, it ensures accurate and reliable reaction data. Compatible with both laboratory and pilot‑scale applications, it empowers the R&D of bio‑based and biodegradable polyesters, and offers customizable experimental protocols for specialty materials such as high‑viscosity PLA and corrosion‑resistant LCP, accelerating material innovation and process optimization.

Polyester Polymerization Reactor

This equipment features a stainless steel sealed reactor vessel, equipped with an intelligent temperature control system and a multi‑functional agitator (with options for propeller or turbine impellers). The reaction temperature is precisely regulated via a jacket or coil. It supports precise formulation based on multiple feed inputs and, combined with automated sensing technology, optimizes polycondensation reaction conditions in real time while simultaneously removing byproducts, significantly enhancing polyester synthesis efficiency. Specifically designed for the production of high‑performance polyester fibers, films, and engineering plastics, it is widely used in industries such as textiles, packaging, and electronics, helping to drive industrial upgrades through stable processes and high‑purity outputs.

5L Polymerization Reactor System

Compatible with PET, PBT, PLA and other systems, it supports the entire process of esterification, polycondensation, and vacuum degassing, with a modular design that allows flexible expansion from 2 L to 50 L. Featuring high‑precision temperature control (±0.5℃), multi‑stage vacuum control, and real‑time viscosity and pressure monitoring, it ensures accurate and reliable reaction data. Compatible with both laboratory and pilot‑scale applications, it accelerates bio‑based and biodegradable polyester R&D, offering customizable experimental setups for high‑viscosity PLA, corrosion‑resistant LCP, and other specialty polymers, thereby speeding up material innovation and process optimization.

Polyester Polymerization Reactor

Compatible with PET, PBT, PLA and other systems, it supports the entire process of esterification, polycondensation, and vacuum degassing, with a modular design that allows flexible expansion from 2 L to 50 L. Featuring high‑precision temperature control (±0.5℃), multi‑stage vacuum control, and real‑time viscosity and pressure monitoring, it ensures accurate and reliable reaction data. Compatible with both laboratory and pilot‑scale applications, it empowers the R&D of bio‑based and biodegradable polyesters, and can be customized with specialized experimental setups for high‑viscosity PLA, corrosion‑resistant LCP, and other specialty materials, accelerating material innovation and process optimization.

Alkoxylation Reactor

Alkoxylation products are important chemical intermediates and fine chemical products in industrial applications, serving as indispensable high‑tech materials in today’s global advanced technology fields. The alkoxylation reactors manufactured by Shanghai Yanzheng are also known as ethoxylation units, propoxylation units, EO/PO polyether units, polyether reaction units, and alkylation reaction units. These reactors are small-scale experimental units for polyether production based on EO/PO as the primary raw materials, and they operate as batch reactors.

Alkoxylation Complete Set of Equipment

Alkoxylation products are important chemical intermediates and fine chemical products in industrial applications, serving as indispensable high‑tech materials in today’s world. The alkoxylation reactors manufactured by Shanghai Yanzheng are also known as ethoxylation units, propoxylation units, EO/PO polyether units, polyether reaction units, and alkylation reaction units. These reactors are small-scale experimental units for polyether production based on EO/PO as the primary raw materials, and they operate as batch reactors.

Ethylene Slurry and Propylene Liquid-Phase Bulk Polymerization Unit

Ethylene slurry and propylene liquid-phase bulk polymerization units are industrial equipment used to produce polymeric materials. These units typically comprise reaction vessels, heating systems, agitation devices, feed units, vacuum systems, and purging units, among other components. They can carry out continuous reactions under high-temperature and high-pressure conditions, making them suitable for producing high‑quality polymeric products. Ethylene slurry and propylene liquid-phase bulk polymerization units are primarily used in fields such as healthcare, environmental protection, food processing, chemical engineering, and biotechnology. Through these units, ethylene and propylene can undergo polymerization reactions to produce high‑density polyethylene (HDPE) and other polymeric materials.

Ethylene Polymerization Evaluation Unit

The ethylene polymerization evaluation unit is laboratory equipment used to study and assess ethylene polymerization processes. It typically includes a reactor for carrying out ethylene polymerization reactions, as well as supporting systems such as heating, cooling, stirring, and pressure control. These units can simulate industrial production conditions, helping researchers optimize polymerization processes and improve product quality and production efficiency.

Small-scale experimental polyester reactor

The pilot-scale polyester reactor is a piece of equipment specifically designed for laboratory‑scale polyester synthesis research. It typically features a small capacity and can simulate the polymerization reaction conditions found in industrial production processes, enabling researchers to conduct small‑scale experiments and studies. These reactors are usually equipped with precise temperature control systems, stirring devices, and essential safety measures to ensure smooth experimentation and personnel safety.

Polyester Polymerization Reactor

The polyester polymerization reactor is a reaction vessel used for synthesizing polymeric compounds. It primarily involves two key steps: esterification and polycondensation. Esterification refers to the reaction between alcohols and carboxylic acids or inorganic oxygen‑containing acids, which occurs under specific temperature and pressure conditions to produce esters and water. Polycondensation, on the other hand, is a reaction in which one or more monomers undergo condensation to form polymers, with the main product being known as a polycondensate. During this process, the alcohol produced by the reaction is discharged from the reactor and collected via condensation, ultimately yielding the polycondensation product within the reactor.