Phthalic Anhydride Polyester Polyol Prepared by Polycondensation or Modification of Phthalic Anhydride, Diethylene Glycol and Other Raw Materials

• CAS No.: 9009-54-5
• Formula: C3h8n2o
• EINECS: 210-898-8
• Molecular Principal Chain: Carbon Chain Polymer
• Color: Colorless and Transparent
• Advantages: Low Odor
• Model NO.: polyester
• Transport Package: Bucket
• Specification: 200kg
• Trademark: INOV
• Origin: Zibo, Shandong, China
• HS Code: 39095000

Product Description

Introduction:
This series of polyols are mainly aromatic polyester polyols prepared by polycondensation or modification of phthalic anhydride, diethylene glycol and other raw materials. They are mainly used in the field of hard foam and adhesives. They have the advantages of low odor, low color, high reaction activity, excellent hydrolysis stability, high aromatic content, good stability and fluidity of composite materials, And the product structure can be adjusted according to customer requirements.
Product use:
This series of polyester polyols can be widely used in refrigerator, cold storage, spraying, solar energy, thermal pipelines, building insulation and other areas of hard foam composition, some of the adhesive products.
Technical parameter:

series	Items	Hydroxyl value (mgKOH/g)	Acid value (mgKOH/g)	Water content  (%)	Room temperature viscosity (25ºC,cps)
Series of phthalic anhydride and other aromatic dibasic acids	PE-B175	170-180	≤1.0	≤0.05	9000-13000
	PE-B503	300-330	≤1.0	≤0.05	2000-4000
	PE-D504	400-450	≤2.0	≤0.1	2000-4000
	PE-D505	400-460	≤2.0	≤0.1	2000-4000

 
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