Your Professional Polymerization Catalyst Supplier

 

Niujiao Chemical specializes in supplying a variety of chemical products, focusing on the research and development, production and trade of various chemical raw materials and products, relying on superior product quality exported to more than countries and regions.The product series mainly includes rubber accelerators, rubber antioxidants, rubber curing agents, water treatment additives, carbon black environment-friendly gold extraction agents and other categories.

 

 
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Why Choose Us
 
 
 

Broad Market

The Our products are exported to more than 100 countries and regions such as the United States, the United Kingdom, France, Japan, Russia, South America, Southeast Asia and Africa.

 
 

Custom Service

We understand that each customer may have unique requirements. We have the flexibility to customize our rubber additives to meet specific formulation needs, ensuring optimal compatibility and performance in various rubber applications.

 
 

High-Quality Manufacturing

Our manufacturing facilities employ advanced technologies and adhere to stringent quality control measures. We prioritize quality in every step of the production process, ensuring consistent and high-performance rubber additives that meet international standards.

 
 

Wide Range of Applications

Our products are widely used is widely used in rubber, leather, cable, plastic, pharmaceutical, water treatment and other industries.

 

 

CAS 121-69-7 | N,N-二甲基苯胺

 

Advantages of Polymerization Catalyst

Efficiency - Catalysts significantly speed up the polymerization process, making it more efficient and cost-effective.

 

Control - They provide precise control over the molecular structure, enabling the production of polymers with specific, desirable properties.

 

Environmental Impact - Catalysts can reduce the energy required for polymerization, leading to more sustainable manufacturing processes.

 

Versatility - Different catalysts can be used to produce a wide variety of polymers, each with unique properties suitable for different applications.

 

Types of Polymerization Catalysts
 
 

Olefin Polymerization Catalysts

Ziegler-Natta (Z-N) catalysts are composite catalysts for olefin polymerization, which is the beginning of the development of composite catalysts and promotes the rapid development of directional polymerization and selective oligomerization. Z-N catalysts are mainly used in the conventional polymerization of alpha-olefins, and are also commonly used in the conventional polymerization of diolefins and cyclic olefins.

 
 
 

Metal Catalysts

Compared with traditional Ziegler-Natta catalysts, metal catalysts have more precise controllability, which mainly depends on the structure of metal ligands. For example, metallocene catalysts are pentadentate complexes formed by cyclopentadiene or its derivatives (indene, fluorene) and IVB transition metal atoms titanium and zirconium.

 
 
 

Organometallic Complex Catalysts

Organometallic complex catalysts are defined as organometallic complexes with oxygen, nitrogen, phosphorus and sulfur as coordination atoms and transition metal elements as metal centers. This new generation of catalyst not only retains the advantages of high activity of metal catalysts, easy introduction of a variety of comonomers, and controllable polymer structure, but also has the advantages of diverse structures, good stability, and low production costs.

 

 

Product Description

 

 

Product Name

Product Appearance

Content

1 barrel volume (m³)

1 barrel net weight (kg)

1,1'-Carbonyldiimidazole

White to off-white powder

98%min

0.051

25

Imidazole hydrochloride

White to off-white crystals

98%min

0.069

25

(2,5-Dihydroxyphenyl)(triphenyl)phosphonium

Brown yellow powder

95%min

0.1

25

Tetraphenylphosphonium 2,3- dihydroxynaphthalene addtives

Gray to brown solid

98%min

0.069

25

2, 4-diamino-6 -[2-(2-methyl-1-imidazolyl) ethyl]-1,3, 5-triazine

White to off-white powder

98%min

0.1

25

4-Methyl-2-phenylimidazole

Yellowish solid

97%min

0.051

15

Tri-p-tolyl-phosphane; compound with [1,4]benzoquinone

Yellow powder

95%min

0.1

25

1,3,5-Triazine-2,4-diamine,6-[2-(2-undecyl-1H-imidazol-1-yl)ethyl]-

White to light yeiiow powder to crystal

98%min

0.1

25

 

Functional Properties of Polymerization Catalyst
 

Shape-selective Catalysts

Designed with particular pore sizes or shapes to favor the formation of specific molecules.

Acid-base Catalysts

Tailored to promote reactions that require specific acidic or basic conditions.

Photocatalysts

Capable of utilizing light energy to drive chemical reactions, ideal for environmental applications.

Enzymatic Catalysts

Biological catalysts that offer unparalleled specificity and efficiency at mild conditions, especially relevant in the pharmaceutical and food industries.

Chiral Catalysts

Designed for asymmetric synthesis, these catalysts are critical in producing enantiomerically pure compounds, a necessity in the pharmaceutical industry.

Electrocatalysts

Specialized for electrochemical reactions. Play a crucial role in energy conversion processes, including fuel cells and electrolysis.

 

Application of Polymerization Catalyst

Pharmaceuticals

The pharmaceutical industry uses custom catalysts to synthesize complex molecules, where high purity is non-negotiable. Tailored catalysts ensure the selectivity needed to achieve the desired molecular structure without unwanted by-products.

Petrochemicals

Custom catalysts are instrumental in cracking processes in the petrochemical industry, where long-chain hydrocarbons are broken down into shorter ones. These catalysts are designed to withstand high temperatures and pressures, maximizing efficiency.

CAS 546-68-9 | 25 公斤 EINECS 208-909-6 C12H28O4Ti
100KG 563-43-9 Dichloromonoethylaluminum C2H5AlCl2

Environmental Applications

Tailored catalysts are employed in systems designed to purify air and water, removing pollutants and converting them into harmless substances. These catalysts target specific contaminants, including volatile organic compounds (VOCs) and industrial waste products, ensuring cleaner environments.

Energy Production

Custom catalysts are critical in converting biomass and other materials into usable fuels. These catalysts optimize conversion efficiency, supporting the production of biofuels and synthetic fuels essential for a sustainable energy future.

 

What Are the Steps Involved in Polymerization Catalyst Manufacturing
 

Solution Preparation

The initial step in liquid acid catalyst manufacturing is the precise preparation of the catalytic solution. This involves dissolving the active acidic components into a suitable solvent to create a homogeneous mixture.

Mixing and Homogenization

The next step in catalyst manufacturing is mixing to distribute the active components uniformly throughout the liquid medium. This process involves high-shear mixing techniques or the use of static mixers to ensure consistency.

Stabilization and Storage

Stabilization is an important consideration in the production of liquid acid catalysts. The goal is to maintain the catalyst’s activity over time and prevent degradation. Stabilization techniques can include adjusting the pH, incorporating stabilizing agents, or modifying the solvent system to enhance shelf life. It’s also important to consider proper storage conditions, which require specific temperature and light exposure controls to preserve the catalyst’s integrity.

Handling and Application

Liquid acid catalysts offer several advantages over solid forms, such as ease of handling and the ability to pump or meter them with great precision. However, they also pose unique challenges, such as the potential for corrosiveness and the need for specialized equipment to handle acidic solutions safely. Application methods often involve spray systems or direct injection into reaction vessels, and they require careful calibration for optimal distribution and contact with reactants.

 

 

FAQ

 

 

Q: What is the role of the catalyst in polymerization?

A: They not only speed up the polymerisation reactions but also help control the size and structure of the polymer chains, and in some cases, initiate the reaction. Without catalysts, the production of polymers would be slow, energy-consuming, and difficult to control.

Q: What are the advantages of catalyst regeneration?

A: Catalyst regeneration refers to the process of treating poisoned catalysts to remove toxic substances or replenish active materials, restoring their efficiency and extending their lifespan. It is an essential method to reduce operating costs and prevent environmental contamination.

Q: Does polymerisation need a catalyst?

A: The initiation of addition polymerization (in above case, the breaking of a double bond) requires catalysts, pressure, heat or UV light. The growing polymer chain is a free radical in the polymerization. Terminal radicals are required for ending the reaction.

Q: What is Catalyse polymerization?

A: In subject area: Chemistry. Polymerization catalysts are routinely used to regulate the incorporation of one or more monomers into a polymer chain, which can in-turn dictate the mechanical properties of the resultant material. From: Coordination Chemistry Reviews, 2018.

Q: Why is using a catalyst more sustainable?

A: Catalysts can lower the activation energy required for these reactions, enabling them to occur at milder conditions. This reduces energy consumption and, by extension, greenhouse gas emissions. Minimizing waste: Catalysts can selectively promote desired reactions while suppressing unwanted side reactions.

Q: What is the catalyst used for polymerization?

A: We know that olefin polymerization is one of the most important polymerization reactions and the catalyst used in this polymerization is the Ziegler-Natta catalyst. The name Ziegler-Natta catalyst was named after two scientists, Karl Ziegler and Giulio Natta.

Q: Does polymerization need a catalyst?

A: Polymerization reactions are generally fast after initiation and required to be quickly quenched to avoid polymer branching or other side reactions. Polymer production requires catalysts, reactions under pressure at a high temperature, and experimentation often occurs in the gas phase.

We're professional polymerization catalyst manufacturers in China, specialized in providing high quality products and service. We warmly welcome you to buy cheap polymerization catalyst from our factory. For quotation and free sample, contact us now.

Rubber Accelerator ZDBC,