Melt process for preparing copolyesters using triarylphosphine c

Details Melt process for preparing copolyesters using triarylphosphine c Melt process for preparing copolyesters using triarylphosphine c

1979-03-21

1981-02-10

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

528286, C08L 6702, C08G 6304

Patent

active

042502810

ABSTRACT:
Copolyesters having random sequence distributions can be prepared in the melt phase in the presence of triarylphosphine catalysts. These copolyesters are prepared by reacting a first polyester with either a second polyester or polyester precursors. They are useful for the formulation of films, fibers, binders, adhesives, molded articles, sheeting and lacquers.

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