Method for carrying out a mass polymerization

Details Method for carrying out a mass polymerization Method for carrying out a mass polymerization

2004-02-16

2010-06-08

Wu, David (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S065000, C526S319000, C526S068000, C526S329700

Reexamination Certificate

active

07732538

ABSTRACT:
A method for carrying out a mass polymerization of monomers and/or pre-polymers, which are at least partially soluble in their polymers, in particular methyl methacrylate (MMA) is provided. The method involves the addition of at least one monomer or pre-polymer in a reactor. Mass polymerization for amorphous polymers is carried out without solvents below the glass transition temperature and for crystalline polymers below the melting point, achieving a high degree of conversion of the monomers.

REFERENCES:
patent: 2004/0143075 (2004-07-01), Fleury
patent: 1 013 688 (1965-12-01), None
http://www.list.ch/articles/62—e.pdf.
http://www.list.ch/articles/59—e.pdf.

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