Acids & Anhydrides Adipic Acid (Adipic) Benzoic Acid DiBasic Acids (DBA) Dibutyl Maleate (DBM) DoDecaneDioic Acid (DDDA) HexaHydroPhthalic Anhydride (HHPA) MethylHexaHydroPhthalic Anhydride (MHHPA) Methyltetrahydrophthalic Anhydride (MTHPA) TetraHydroPhtalic Anhydride (THPA) Phthalic Anhydride (PA) Purified Isophthalic acid (PIA) Maleic Acid MonoButyl Maleate (MBM) Sebacic Acid (SEB) TriMellitic Anhydride (TMA) Alcohols, Glycols & Polyols 1,4–CycloHexaneDiMethanol (1,4 CHDM) 1,4-ButaneDiOl […]
Bonding Partnership In Chemistry
Polyols
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Polyols
There are two major kind of polyols used in Polyurethane : polyester polyols and polyether polyols.
Polyester polyols are produced by reacting acid and glycol.
Main acids utilized are Adipic, Isophtalic, Terephtalic, Succinic, Sebacic
Main glycols utilized are MEG, DEG, BDO, HDO, NPG, TMP.
Polyether polyols are made by reacting organic oxide and glycol
Main organic oxide utilized are EO, PO, BO, Epichlorohydrin.
Main glycols utilized are EG, PG, Water, Glycerine, Sorbitol, Sucrose, THME.
The decision to use a polyether rather than polyester will depend on the final properties of the material (abrasion resistance, heat resistance, hardness, solvent resistance, shock absorption, …).
Arpadis is one of the largest chemical distributor in Europe.
Arpadis is handling the storage, transport, export & import formalities of Polyols globally.
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PMMA XT – EXTRUDED
PMMA XT – EXTRUDED Extrusion is a continuous manufacturing production method where PMMA granular is first heated then fed through barrels where the physical process occurs. As a result, extruded acrylic is heterogeneous with properties that may vary depending upon the direction of extrusion. Extruded acrylic costs less than CAST and is more dimensionally stable, meaning the […]