Highly crosslinkable low-viscosity polyisocyanate...

Details Highly crosslinkable low-viscosity polyisocyanate... Highly crosslinkable low-viscosity polyisocyanate...

2006-10-19

2010-11-16

Wu, David (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S528000, C528S044000, C528S073000

Reexamination Certificate

active

07834103

ABSTRACT:
Disclosed is a polyisocyanate composition derived from an aliphatic diisocyanate monomer and an alcohol, which satisfies all the conditions below in a state not containing the aliphatic diisocyanate monomer and a solvent. 1) Isocyanurate trimer concentration: 55-95 mass % 2) Number ratio of allophanate groups derived from the alcohol to isocyanurate groups: 1-20% 3) Urethodione dimmer concentration: 2-25 mass % 4) Viscosity at 25° C.: 150-800 mPa·s.

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Search Report for corresponding European Patent Application No. 06812035.1-2115 dated Jul. 28, 2010.

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