PRODUCTS

LUPASOL PS

Lupasol PS is a branched polyethyleneimine solution that is used in adhesives to improve adhesion and as a flocculant / chelate in detergents & cleaners.
Lupasol PS is soluble in water as well as most polar solvents and can be diluted easily to your desired working concentration.
Lupasol PS is also utilized in chemical processing and as a functional additive where electrostatic interactions are required to improve performance.

CAS Number: 9002-98-6
EC Number: 618-356-0
Molecular Formula: (C2H5N)n
Molecular Mass: 750,000

Synonyms: 1H-Pyrazole-1-carboxamidine hydrochloride, Sigma-Aldrich, Methanol, Merck, Isopropanol, Merck, Thiazolyl blue tetrazolium bromide, Sigma-Aldrich, N,N-dimethylformamide (DMF), Merck, Tryptic soy broth, Sigma-Aldrich, Trypsin-EDTA, Poly(ethylene imine), PEI Polymer, Polyaziridine, Lupasol G 100, Branched PEI, Poly(ethenyl-1,2-ethanediamine), Poly(aziridine), PEI Solution, Polymer of Ethylenimine, Aziridine Polymer, Polyamine, Biowest, Fetal bovine serum (FBS), penicillin/streptomycin, Biowest, Phosphate buffer saline (PBS), Biowest, L-glutamine, Biowest, Glutaraldehyde, Sigma-Aldrich, Sodium cacodylate, Sigma-Aldrich, Resazurin, Sigma-Aldrich, Sodium bicarbonate (NaHCO3), Sigma-Aldrich, Dulbecco’s Phosphate Buffered Saline (PBS;, Sigma-Aldrich, Scrambled siRNA, Integrated DNA Technologies, Ethylenediaminetetraacetic acid disodium salt dehydrate (EDTA), Sigma-Aldrich, Lupasol HF, Polyethylenimine (PEI), Branched Polyethylenimine

Lupasol PS is a water-soluble polyethylenimine (PEI)-based polymer supplied typically as a liquid, known for its high cationic charge density and strong interaction with negatively charged surfaces.
Lupasol PS is widely used in industrial and formulation applications due to its ability to act as a dispersant, adhesion promoter, and flocculant.

Lupasol PS exhibits excellent binding properties with pigments, fillers, and fibers, making it particularly valuable in coatings, paper, and water treatment processes.
Lupasol PS is also utilized in chemical processing and as a functional additive where electrostatic interactions are required to improve performance.

Lupasol PS is a branched polyethylenimine solution that is used in adhesives to improve adhesion and as a flocculant / chelate in detergents & cleaners.
Lupasol PS is a multifunctional cationic polyethyleneimine (PEI) with a branched polymer structure.

Lupasol PS is an aqueous solution of a high molecular weight polyethylenimine.
The polyethylenimine polymer in Lupasol PS carries a very high cationic charge density that makes this product useful as an adhesion promoter, cross linker, dispersion aid, and flocculant.

Lupasol PS is soluble in water as well as most polar solvents and can be diluted easily to your desired working concentration.
Lupasol PS is available commercially as a clear to pale yellow, viscous liquid in 55 gallon drums.

Lupasol PS is a branched polyethyleneimine solution that is used in adhesives to improve adhesion and as a flocculant / chelate in detergents & cleaners.

Lupasol PS is an aqueous solution of a high molecular weight polyethyleneimine.
The polyethylenimine polymer in Lupasol PS carries a very high cationic charge density that makes this product useful as an adhesion promoter, cross linker, dispersion aid, and flocculant.

Lupasol PS is a type of branched polyethylenimine (PEI) polymer.
Lupasol PS is known for its high cationic charge density, which results from the presence of multiple primary, secondary, and tertiary amine groups in its structure.
This feature allows Lupasol PS to interact strongly with negatively charged surfaces and particles, making it effective in various industrial applications such as adhesives, water treatment, and coatings.

Lupasol PS is a polyethyleneimine used in printing inks, as an adhesion promoter in adhesives and car tires, for the complexation of heavy metal ions, and in plastic modification.
Lupasol PS is also used in pigment manufacture and for the immobilization of proteins on inorganic materials.

Applications of Lupasol PS:
Lupasol PS is applied in water and wastewater treatment processes, where it functions as a highly effective flocculant and coagulant to remove suspended solids and improve clarification efficiency.
Lupasol PS is widely used in the paper and pulp industry as a wet-strength agent and retention aid, enhancing fiber bonding, improving paper strength, and increasing filler retention.

Lupasol PS is utilized in coatings, inks, and pigment dispersions to stabilize particles, improve dispersion quality, and enhance adhesion to various substrates.
In the textile industry, Lupasol PS is applied to improve dye fixation and fabric treatment processes through strong electrostatic interactions with fibers.
Lupasol PS is also used in adhesives and sealants to enhance bonding performance, as well as in chemical processing and formulation systems where cationic polymers are required to optimize product stability and performance.

Lupasol PS is most commonly used to improve adhesion of inks, coatings, and adhesives to low surface energy substrates.
Lupasol PS can be added directly to alkaline formulations or it can be used as pretreatment / primer to increase adhesion.

Lupasol PS is often used in combination with polyvinyl alcohol, polyvinylbutryral, polyvinyl acetate, and styrene copolymers as a cross linker to improve cohesion of tape and label pressure sensitive adhesives.
Lupasol PS is an excellent flocculant and chelating agent for negatively charged contaminants and heavy metals.

Lupasol PS is used as a flocculant in both.
water pretreatment and household detergent applications.

Water Treatment:
Lupasol PS is used as a flocculant and coagulant to remove suspended solids and improve water clarification processes.

Paper Industry:
Lupasol PS is applied as a wet-strength agent and retention aid to enhance fiber bonding and improve paper quality.

Coatings and Inks:
Lupasol PS is utilized to stabilize pigment dispersions and improve adhesion to various substrates.

Textile Processing:
Lupasol PS is used to enhance dye fixation and improve interaction between dyes and fibers.

Adhesives and Sealants:
Lupasol PS is applied to improve bonding strength and overall performance of adhesive systems.

Chemical Processing:
Lupasol PS is used in formulation systems where cationic polymers are required to improve stability and efficiency.

Features & Benefits of Lupasol PS:
Aqueous
Miscible with water in all proportions
Compatible with cationic and nonionic systems
Fix and immobilize enzymes for extended resistance
Heavy metal chelation
Excellent adhesion promoters
Fixing agent in hair treatment products
FDA 175.105 approved for lamination or sealing of food packaging items

Production of Lupasol PS:
Lupasol PS is produced through the cationic ring-opening polymerization of ethylenimine (aziridine), resulting in a highly branched polyethylenimine (PEI) structure containing primary, secondary, and tertiary amine groups.
The production process is carried out under carefully controlled temperature and pressure conditions due to the high reactivity of the monomer.

Following polymerization, the product may be partially neutralized or modified to enhance stability, solubility, and handling safety.
Lupasol PS is typically supplied as an aqueous solution with specific concentration and viscosity, making it suitable for a wide range of industrial applications.

Synthesis of Lupasol PS:
Lupasol PS is synthesized through the cationic ring-opening polymerization of ethylenimine (aziridine), a highly reactive three-membered ring compound.
The process begins with the initiation of polymerization by protonic or Lewis acid catalysts, which open the aziridine ring and allow the formation of reactive intermediates.

These intermediates propagate through successive reactions, leading to the formation of a highly branched polyethylenimine (PEI) structure containing primary, secondary, and tertiary amine groups.
The reaction conditions, including temperature, pressure, and catalyst concentration, are carefully controlled to regulate molecular weight and branching degree.
After polymerization, the product may undergo neutralization or dilution to obtain a stable, water-soluble form suitable for industrial applications.

History of Lupasol PS:
Lupasol PS is part of the polyethylenimine (PEI) product family, whose development dates back to early research on aziridine chemistry in the first half of the 20th century.
The polymerization of ethylenimine to form PEI structures was explored as scientists investigated highly functional, nitrogen-rich polymers with strong cationic properties.

Over time, these materials gained industrial importance due to their ability to interact with negatively charged surfaces and particles.
With the expansion of applications in water treatment, paper production, and coatings during the mid to late 20th century, PEI-based products such as Lupasol were further refined and commercialized.
Lupasol PS emerged as a specialized formulation within this product line, designed to provide controlled molecular characteristics and high performance in dispersion, flocculation, and adhesion-related applications.

Stability and Reactivity of Lupasol PS:

Chemical stability:
Stable under normal conditions.

Reactivity:
May react with strong oxidizers.
May interact with anionic substances.

Conditions to avoid:
Excessive heat.
Direct sunlight.

Incompatible materials:
Strong oxidizers.
Acids.
Anionic compounds.

Hazardous decomposition products:
Nitrogen oxides (NOx) may form.
Carbon monoxide (CO) may be generated.
Carbon dioxide (CO₂) may be released.

Handling and Storage of Lupasol PS:

Handling:
Avoid contact with skin and eyes.
Use proper ventilation.

Storage:
Store in a cool, dry, and well-ventilated area.
Keep containers tightly closed.

First Aid Measures of Lupasol PS:

Inhalation:
Move to fresh air.

Skin contact:
Wash with soap and water.

Eye contact:
Rinse with water for several minutes.

Ingestion:
Rinse mouth.
Seek medical advice if needed.

Firefighting Measures of Lupasol PS:

Suitable extinguishing media:
Water spray.
Foam.
Dry chemical.
Carbon dioxide (CO₂).

Hazards:
May release toxic fumes when burned.

Accidental Release Measures of Lupasol PS:

Personal precautions:
Use protective equipment.
Avoid contact.

Cleanup:
Absorb with inert material.
Dispose properly.

Exposure Controls / Personal Protection of Lupasol PS:

Engineering controls:
Ensure good ventilation.

Respiratory protection:
Use respiratory protection if mist or vapor forms.

Hand protection:
Wear gloves.

Eye protection:
Use safety goggles.

Hygiene:
Wash hands after handling.

Identifiers of Lupasol PS:
Polymer Type: Highly branched cationic polymer
CAS Number: 9002-98-6
EC Number: 618-346-2
Molecular Formula: (C2H5N)n
Molecular Weight: Variable (polymeric material)
Form: Aqueous solution

Properties of Lupasol PS:
Appearance: Clear to slightly yellow liquid
Odor: Slight amine-like odor
pH: Strongly alkaline
Density: Approximately 1.02–1.08 g/cm³
Solubility: Completely soluble in water
Viscosity: Varies depending on concentration and molecular weight
Charge: Highly cationic
Stability: Stable under recommended storage conditions

Specifications of Lupasol PS:
CAS number: 9002-98-6
Avg molar mass: 750,000
Viscosity: 1,700
Concentration: 33%
Color: clear, colorless till slightly yellowish liquid at room temp.
Primary Chemistry: Polyethylenimine

Names of Lupasol PS:

Regulatory process names:
AZIRIDINE, HOMOPOLYMER
Aziridine, homopolymer
polyethyleneimine

IUPAC names:
aziridine
Aziridine Homopolymer
AZIRIDINE, HOMOPOLYMER
Aziridine, Homopolymer
Aziridine, homopolymer
Ethyleneimine, Polymer
PEI-2500
POLYETHYLENEIMINE
Polyethyleneimine
polyethyleneimine
Polyethyleneimine (ca. 30% in Water) [for Biochemical Research]
Polyethylenimin
Polyethylenimin
Polyethylenimine
Polyethylenimine linear
POLYETHYLENIMINE, BRANCHED

Trade names:
15T
210T
2MB
AC 871
Aziridin, homopolymer
Aziridine homopolymerisée
Aziridine homopolymérisée
Aziridine polymer
Aziridine, homopolymer
Aziridine, homopolymer 1300; MG=1300
Aziridine, homopolymer 17000-28000; V=17000-28000 mPas
Aziridine, homopolymer 2000000; MG=2000000
Aziridine, homopolymer 2000; MG=2000
Aziridine, homopolymer 25000; MG=25000
Aziridine, homopolymer 500-1000; V=500-1000 mPas
Aziridine, homopolymer 5000; MG=5000
Aziridine, homopolymer 750000; MG=750000
Aziridine, homopolymer 800; MG=800
Aziridine, homopolymer; n
BASOPHOB RSI; 50% Active Matter; active substance
CF 218
CF 218 (polymer)
Corcat P 100
Corcat P 12
Corcat P 145
EL 402
EL 420
Emerlube 6717
Epomin 1000
Epomin 150T
Epomin D 3000
Epomin P 003
Ethyleneimine, homopolymer
Ethylenimine, polymers
Everamine
Everamine 150T
Everamine 210T
K 203C
Lugalvan G 15
Lugalvan G 20
Lugalvan G 35
LUPASOL FC; MG=800; 50% Active Matter; active substance
LUPASOL G 100; MG=5000; 50% Active Matter; active substance
LUPASOL G 20 WASSERFREI; MG=1300; 98% Active Matter; active substance
LUPASOL G 20; MG=1300; 50% Active Matter; active substance
LUPASOL G 35; MG=2000; 50% Active Matter; active substance
LUPASOL HF; MG=25000; 55% Active Matter; active substance
LUPASOL P; MG=750000; 50% Active Matter; active substance
LUPASOL PS; MG=750000; 33% Active Matter; active substance
LUPASOL SK; MG=2000000; 24% Active Matter; active substance
LUPASOL WF; MG=25000; 99% Active Matter; active substance
Luprasol P; in Water; 50% Active Matter; active substance
Montrek 1000
Montrek 12
Montrek 18
Montrek 6
Montrek 600
P 100 (polyamine)
P 1000
Pei-10
Pei-10 (INCI)
Pei-1000
Pei-1000 (INCI)
Pei-1400
Pei-1400 (INCI)
Pei-14M
Pei-14M (INCI)
POLYETHLENEIMINE (MELT)
Polyethylenimin
Polymin FG; unbekannt 1
Polymin HS; V=500-1000 mPas; 20% Active Matter; active substance
Polymin P; V=17000-28000 mPas
Polymin-P
SEDIPUR CL 930; 30% Active Matter; active substance

Other names:
LUPASOL P