Reaction product of melamine aldehyde resin and diol

Details Reaction product of melamine aldehyde resin and diol Reaction product of melamine aldehyde resin and diol

2006-09-05

2011-11-01

Sellers, Robert (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...

C427S386000, C427S388300, C525S162000, C525S406000, C525S427000, C525S440010, C525S440020, C525S456000, C525S510000

Reexamination Certificate

active

08048970

ABSTRACT:
Novel low viscosity oligomeric polyols and the use thereof in coating compositions are disclosed. The novel low viscosity oligomeric polyols may be prepared by reacting at least one melamine aldehyde resin and at least one of α,β-diol, α,γ-diol, or mixture thereof. The reaction may occur in the presence of an acid catalyst. Coating compositions with a low VOC able to cure under ambient and forced dry conditions while providing good application and performance characteristics, such as an improved scratch resistance, are also disclosed.

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