High Molecular Weight Polyisobutylene
Your Professional High Molecular Weight Polyisobutylene Supplier
TIANJIN GNEE BIOTECH CO., LTD. is a professional chemical raw material manufacturer. Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square meters.
Our main products include PIB (low, medium, and high molecular weight), IIR, and halogenated butyl rubber.
Why Choose us
Experienced Team
We have a professional, well-equipped, and experienced R&D team with more than 10 years of expertise.
A Global Supply Chain
We maintain an established global supply chain, with our products successfully distributed across international markets, including the United States, Canada, Kazakhstan, Australia, and multiple regions throughout Europe.
Stable Quality
Committed to the principle of "quality first," we implement rigorous quality control protocols and systematic testing procedures to ensure consistently high product purity and reliable performance across all batches.
Parameter
|
Parameter |
NW1300 |
NW2400 |
|
CAS Number |
9003-27-4 |
9003-27-4 |
|
Purity (%) |
≥99 |
≥99 |
|
Number Average Molecular Weight (Mn) |
1300 ± 100 |
2400 ± 150 |
|
Viscosity (cP at 100°C) |
250–350 |
500–650 |
|
Color |
Off-white to pale yellow |
Off-white to pale yellow |
|
Form |
Flakes / Powder / Liquid |
Flakes / Powder / Liquid |
|
Solubility |
Hydrocarbon solvents (e.g., hexane, toluene) |
Hydrocarbon solvents (e.g., hexane, toluene) |
|
Odor |
Mild |
Mild |
Benefits of High Molecular Weight Polyisobutylene
Excellent Viscosity And Thickening Properties
One of the standout features of HMWPIB is its high viscosity. This property makes it a great thickening agent in various applications. For instance, in lubricating oils, it can significantly improve the oil's viscosity index. When the temperature changes, regular oils may become too thin or too thick, but HMWPIB - enhanced oils maintain a more stable viscosity.
Outstanding Chemical Resistance
HMWPIB is highly resistant to many chemicals, including acids, bases, and solvents. This makes it suitable for use in environments where exposure to harsh chemicals is common. In the chemical processing industry, pipes and containers lined with materials containing HMWPIB can withstand the corrosive effects of various chemicals.
Good Oxidation And Weather Resistance
Oxidation can cause materials to break down over time, leading to reduced performance and a shorter lifespan. HMWPIB has excellent oxidation resistance, which means products made with it can last longer. In outdoor applications, such as roofing membranes, this is a huge advantage.
Low Permeability To Gases And Liquids
HMWPIB has low gas and liquid permeability. This property is very useful in applications where containment is important. In food packaging, for example, it can be used to create barriers that prevent oxygen and moisture from entering the package. This helps keep food fresh for longer periods, reducing spoilage and waste.
Flexibility And Elasticity
HMWPIB offers good flexibility and elasticity. In rubber products, it can enhance these properties. For example, in rubber seals, it allows the seals to conform to irregular surfaces and maintain a tight seal. This is important in automotive engines, where seals prevent the leakage of oil, coolant, and other fluids.
Compatibility With Other Polymers
HMWPIB is compatible with many other polymers. This means it can be blended with different materials to create customized products with unique properties. For example, it can be blended with polyethylene or polypropylene to improve their toughness and flexibility.
Biocompatibility
In some cases, HMWPIB shows good biocompatibility. This makes it suitable for use in certain medical applications. It can be used in medical devices that come into contact with the human body, such as catheters or implants. Since it doesn't cause significant adverse reactions in the body, it helps ensure the safety and effectiveness of these medical products.
Economic Benefits
Using HMWPIB can bring economic benefits in the long run. Due to its durability and performance - enhancing properties, products made with HMWPIB often have a longer lifespan. This reduces the need for frequent replacements, saving money on materials and labor.
Raw Material Preparation
The primary monomer is isobutene which is often derived from the cracking of hydrocarbons or dehydration of isobutanol.
Polymerization Initiation
The polymerization is typically initiated using cationic catalysts.
Reaction Conditions
Temperature conditions are specified to suppress chain transfer and achieve high molecular weight polymers.
Solvents are used to dissolve the monomer and catalyst.
Polymer Growth
The isobutene monomers undergo cationic chain-growth polymerization, where the positively charged active center propagates the chain.
Termination and Recovery
The reaction is intentionally stopped by using a base to neutralize the catalyst. The polymer is then separated, purified and dried.
High molecular weight polyisobutylene has good low-temperature dispersion and high-temperature detergency. It can be used as a lubricating oil additive for the production of oil products;
it is compatible with general non-polar substances and polymer materials.
HRPIB is mainly used for the thermal addition method to produce ashless dispersants for oil products (i.e. polyisobutylene succinimide).
As long as it is a field where ordinary PIB is applied, HRPIB can be applied in almost all fields.
Such as lubricating oil viscosity index improver, paraffin wax, rubber improver, electrical insulation materials, gap sealing materials, slowly releasing nitrogen-containing fertilizers, drag reducing agents for oil field fracturing fluids, wire rope oil, chewing gum base glue, waterproof explosives, Rocket propellant components, pharmaceutical and cosmetic moisturizers, etc.
The production cost of HRPIB is higher than that of ordinary PIB. HRPIB is currently mainly used to produce some high-end products, such as ashless dispersants, namely polyisobutylene succinimide and polyisobutylene amine (PIBA).
Using polyisobutylene with very narrow molecular weight distribution as the main raw material, polyisobutylene amine (PIBA) can be prepared through oxidation, aminolysis, compounding, and other processes. Polyisobutylene amine is the main component of the fourth-generation gasoline detergent and dispersant. This type of gasoline detergent and dispersant has the functions of demulsification, dispersion, detergency, antioxidant, and rust removal.
Delivery Information
Shipping Methods:
We offer a variety of shipping options, including sea freight, air freight, railway transportation, and international express delivery, to meet the diverse needs of our customers.
Estimated Delivery Time:
We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.
Order Tracking:
We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.
FAQ
As one of the most professional high molecular weight polyisobutylene manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy bulk high molecular weight polyisobutylene in stock here from our factory. Contact us for customized service and free sample.
Highly Reactive Polyisobutylene HR PIB CAS 9003 27 4 For Lubricant Additives, Polyisobutylene Liquid PIB1300 2400 CAS 9003 27 4 For Rubber, High Quality Polyisobutylene PIB CAS NO 9003 27 4 Pharmacy Grade