Method for extending shelf life of vinyl ester resin or...

Details Method for extending shelf life of vinyl ester resin or... Method for extending shelf life of vinyl ester resin or...

2009-07-30

2011-11-01

Jagannathan, Vasu (Department: 1764)

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

Synthetic resins

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

C252S186100, C252S186380, C252S186430, C525S368000, C525S386000, C528S490000, C210S758000, C210S759000, C210S763000, C422S007000, C422S009000, C422S010000, C422S129000

Reexamination Certificate

active

08048965

ABSTRACT:
Disclosed is a method for extending a shelf life of vinyl ester resin or unsaturated polyester resin during transportation or general storage. The method includes the step of enhancing an oxygen content of the vinyl ester resin or the unsaturated polyester resin, such that the self-polymerization reaction of reactive functional groups having carbon-carbon unsaturated double bonds of the vinyl ester resin or the unsaturated polyester resin can be minimized, so as to slow down occurrence of a gelation phenomenon of the vinyl ester resin or the unsaturated polyester resin in a long-time transportation or storage, and further to decrease a monetary loss.

REFERENCES:
patent: 3736260 (1973-05-01), O'Sullivan
patent: 4549969 (1985-10-01), Gerlach et al.
patent: 5707424 (1998-01-01), Tom et al.
patent: WO 93/17054 (1993-09-01), None

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