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Technical Information
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Properties of polyurethane using each polyol
Synthesis Example-1
Boiling water resistance
Chemical resistance
Synthesis Example-2
The S-S curves of soft polyurethane
Composition example of varnish
Abrasion resistance
Notice
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Properties of polyurethane using each polyol

Table 1 shows the influence of each polyol on PU.
PCDs are superior to other polyols with respect to durability, water resistance and chemical resistance.
But PCDs are inferior to other polyols with respect to softness.
DURANOLTMs maintain above superiority, and in addition improved softness of PU.

Polyol

Items
C5C6 Copolymer
C6 Homopolymer
PTMG
PHA
PCL

heat stability

 excellent excellent poor good good

weatherability

 excellent excellent poor good good
softness good poor excellent good good
hydrolysis resistance excellent excellent good poor fair
fungi resistance fair~good fair~good excellent poor poor
oleic acid resistance good good poor fair poor~fair
ethanol resistance good good poor fair poor

C5C6 Copolymer : DURANOLTM  T5652
PCD:Polycarbonatediol(homopolymer)
PTMG:Polytetoramethylene glycol(polyether polyol)
PHA:Poly1, 6-hexamethylene adipate(polyester polyol)
PCL:Polycaprolactone polyol(polyester polyol)
excellent :excellent good:good fair:fair poor:poor
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