Increase in molecular weight of polycondensates

Details Increase in molecular weight of polycondensates Increase in molecular weight of polycondensates

C - Chemistry, Metallurgy

08

K

C08K 5/5393 (2006.01) C08G 63/78 (2006.01) C08G 63/80 (2006.01) C08G 63/91 (2006.01) C08G 64/20 (2006.01) C08G 64/42 (2006.01) C08G 65/42 (2006.01) C08G 69/04 (2006.01) C08G 69/48 (2006.01) C08J 3/24 (2006.01) C08K 5/00 (2006.01)

Patent

CA 2191977

An increase in the molecular weight of virgin polycondensates and polycondensate recyclates can be achieved by heating to above the melting point or glass transition temperature and by the addition of a diphosphonite.

Il est possible d'obtenir une augmentation du poids moléculaire de polycondensats vierges et de produits de recyclage à base de polycondensats en chauffant ceux-ci au-delà de leur pont de fusion ou de la température de transition vitreuse, et en leur ajoutant un diphosphonite.

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