Method for manufacturing trioxane copolymer

Details Method for manufacturing trioxane copolymer Method for manufacturing trioxane copolymer

1984-06-08

1985-10-15

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

528233, 528236, 528238, 528240, 528241, 528242, 528243, 528481, C08G 210

Patent

active

045475652

ABSTRACT:
A trioxane copolymer is manufactured by adding to trioxane and a co-monomer, 0.0001 to 2.0 percent by weight, based on the total weight of the monomers, of one or more sterically hindered phenols, then co-polymerizing the resultant mixture in the presence of a cation-active catalyst, and then treating the resultant copolymer by heating it at a temperature which is higher than the melting point of the copolymer to melt the copolymer and decompose and remove unstable parts of the copolymer.

REFERENCES:
patent: 2989506 (1961-06-01), Hudgin et al.
patent: 3252940 (1966-05-01), Mantell
patent: 3436375 (1969-04-01), McAndrew
patent: 3513223 (1970-05-01), Smart et al.
patent: 4343929 (1982-08-01), Sugio et al.

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