Polyglykol Methylether
CAS number: 9004-74-4
INCI-designation: Methoxy PEG-7
Polyglykol M 350 is a linear, mono hydroxy-functional polyethylene glycol monomethyl ether (M-PEG) that is completely water soluble.
Polyglykol M 350 is esterified with methacrylic acid to yield the corresponding polyglycol mono methacrylates which are used for the polymerization of polycarboxylate superplasticizers.
Benefits of Polyglykol M 350:
-Polyglykol M 350 has low diol content to limit formation of crosslinking diesters
-Polyglykol M 350 is completely water soluble
Composition of Polyglykol M 350:
Monomethoxy polyethylene glycol
CH3(OCH2CH2)nOH
Product properties of Polyglykol M 350:
Polyglykol M 350 is a clear neutral liquid at room temperature.
Polyglykol M 350 can be supplied in tank trucks or in steel drums.
Polyglykol M 350 is soluble in water and common used organic solvents like Aceton, Methanol Polyglykol M 350 can be considered as high molecular alcohol and therefore displays typical chemical reactions of alcohols.
For special applications (polyurethanes) a product marked Polyglykol M 350 PU with low alkali content (< 10 mg/kg) and low water content (< 0,1 %) is available.
The pH-value of this special type is between 3 – 5.
The other product data are simulare the standard.
Storage of Polyglykol M 350:
When Polyglykol M 350 is stored in a cold, dry place in a closed container Polyglykol M 350 can be kept for at least two years.
Applications of Polyglykol M 350:
M-type polyglycols are used for a wide variety of chemical reactions.
With isocyanates and polyester they act as endcapping and hydrophilic component.
When reacted with unsaturated monomers like acrylic or methacrylic acid esters are formed which can be copolymerisized in order to increase hydrophilicity and improve dispersing properties of polymers in water.
In the USA some M-type polyglycols are used for pharmaceutical applications.
Product Function:
Intermediate
Technical Data of Polyglykol M 350:
Molar mass [g/mol]:
330-370
Diol - concentration [area % HPLC]:
< 0.5
Hydroxyl value (DIN 53240) [mg KOH/g]:
152-168
Solidification point EP III °C:
Approx. -6
Viscosity at 50°C [mm2/s]:
9-11
pH at 5%:
5.0-7.0
Polyglykol M 350 is a linear, mono hydroxy-functional polyethylene glycol monomethyl ether (M-PEG) that is completely water soluble.
KEYWORDS:
9004-74-4, Polyglykol Methylether, Methoxy PEG-7, Polyglykol M, CH3(OCH2CH2)nOH, Polyglykol M 350, Polyglykol M 500, Polyglykol M 750, Polyglykol M 1000, Polyglykol M 2000
Applications of Polyglykol M 350:
Polyglykol M 350 is the raw material for 3rd generation superplasticizers.
Polyglykol M 350 is also used as a chemical intermediate for paint additives.
Packaging and Storage of Polyglykol M 350:
Delivery form:
Liquid
Packaging of Polyglykol M 350:
Stainless steel or aluminium containers with external heating coil.
Storage of Polyglykol M 350:
Polyglycols in sealed original packaging have a shelf life of 2 years if stored in a cool, dry place.
Exclusion of moisture is very important, since liquid PEGs are hygroscopic and the solid types absorb any moisture they are exposed to due to their good solubility in water.
Each time the containers are opened, they should be resealed to make them airtight.
The storage temperature should not exceed 90°C.
The storage tank must have a circulation loop, top to bottom, with a dry nitrogen blanket to prevent product oxidation/degration.
Polyglykol M range (M 350 - M 2000): Chemical intermediates for polyester resins and polyurethane elastomers
Methoxy polyethylene glycols ether with a molecular weight of 350 - 2000 g/mole are commonly used as a chemical intermediate in the production of alkyd emulsions and HEUR thickener.
Benefits of Polyglykol M 350:
-low sodium grades
-low water content
-narrow molecular weight distribution
-low content of by products
Product Function:
Intermediate & process aid
Chemical Type:
Polyethylene glycol
Applications of Polyglykol M 350:
-Chemical synthesis
-Paint additive manufacturing
-Plastic & elastomer synthesis
-Resin synthesis
-General industrial applications
Technical data of Polyglykol M ranges:
Product / Molecular weight / Appearance / Hydroxyl value in mg KOH/g
Polyglykol M 350 / 350 g/mole / Liquid / 152 - 168
Polyglykol M 500 / 500 g/mole / Liquid / 106 - 119
Polyglykol M 750 / 750 g/mole / Waxy - Solid / 72 - 78
Polyglykol M 1000 / 1000 g/mole / Waxy - Solid / 53 - 58
Polyglykol M 2000 / 2000 g/mole / Waxy - Solid / 25.5 - 31.0
Polyglykol M 350 PU is a monomethoxy polyethylene glycol with a molecular weight of 330 – 370g/mol.
For special applications (polyurethanes) a product marked Polyglykol M 350 PU with low alkali content (< 10 mg/kg) and low water content (< 0,1 %) is available.
The pH-value of this special type is between 3 – 5.
Polyglykol M 350 PU is a methoxy polyethylene glycol with low sodium content.
Polyglykol M 350 PU is a clear neutral liquid at room temperature.
Polyglykol M 350 PU is soluble in water, polar organic solvents like acetone or methanol and is insoluble in pure hydrocarbons.
Shows typical chemical reactions of alcohols/diols and a very low evaporation rate.
With isocyanates and polyester they act as endcap and hydrophilic component.
When reacted with unsaturated monomers like acrylic or methacrylic acid esters are formed which can be copolymerized in order to increase hydrophilicity and improves dispersing properties of polymers in water.
Polyglykol M 350 PU is especially suitable for reactions with isocyanates.
CAS:
9004-74-4
Product Type:
Monomer > Diols
Chemical Composition:
Monomethoxy polyethylene glycol
Advantages of Polyglykol M 350 PU:
Polyglykol M 350 PU is soluble in water, polar organic solvents like acetone or methanol and is insoluble in pure hydrocarbons.
Polyglykol M 350 PU shows typical chemical reactions of alcohols/diols and a very low evaporation rate.
With isocyanates and polyester they act as endcap and hydrophilic component.
When Polyglykol M 350 PU reacted with unsaturated monomers like acrylic or methacrylic acid esters are formed which can be copolymerized in order to increase hydrophilicity and improves dispersing properties of polymers in water.
Other Applications of Polyglykol M 350 PU:
Polyglykol M 350 PU is especially suitable for reactions with isocyanates.
M-type polyglycols are used for a wide variety of chemical reactions.
With isocyanates and polyester they act as endcapping and hydrophilic component.
When reacted with unsaturated monomers like acrylic or methacrylic acid esters are formed which can be copolymerisized in order to increase hydrophilicity and improve dispersing properties of polymers in water.
Polyglykol M 350 Terra is a monomethoxy polyethylene glycol with a molecular weight of 330 – 370g/mol.
Polyglykol M 350 Terra is a clear neutral liquid at room temperature.
Polyglykol M 350 Terra can be supplied in tank trucks or in steel drums.
Polyglykol M 350 Terra can be considered as high molecular alcohol and therefore displays typical chemical reactions of alcohols.
M-type polyglycols are used for a wide variety of chemical reactions.
With isocyanates and polyester they act as endcapping and hydrophilic component.
When reacted with unsaturated monomers like acrylic or methacrylic acid esters are formed which can be copolymerisized in order to increase hydrophilicity and improve dispersing properties of polymers in water.
Polyglykol M 350 Terra provides the same performance as its conventional (no Terra) counterpart.
As a member of the Terra-family, the purpose of the mass-balanced supply chain model is to use biobased or renewable raw materials.
The mass balance is certified according to the REDCert2 and ISCC Plus standards for the chemical industry.
This means: use of raw materials specified by the EU directive 2015/1513/EC Annex IX, no plastic waste, no animal origin, no Palm Oil/Palm Kernel Oil.
Additional value includes replacement of fossil raw materials, reduced product carbon footprint compared to same materials made from fossil based raw materials, and RCI 91.3%.