Shaped products such as fibers and films composed mainly of polyvinyl chloride and polyvinyl alcohol, and further containing an amido- containing polymer, and methods for production thereof

摘要

New polymeric materials in the form of fibers and films composed of polyvinyl alcohol, polyvinyl chloride and a water-soluble amido-polymer having a portion of the polyvinyl chloride grafted thereon and which contains at least about 80 mole percent amido or methylolated amido groups. These materials possess excellent light and heat resistance. PPAlso disclosed is a process for preparing these materials comprising adding a water-soluble catalyst and emulsifier to an aqueous solution of the amido-polymer and subjecting the mixture to emulsion polymerization with added vinyl chloride. Thereafter, polyvinyl alcohol is added as a matrix to the emulsion to make a dope which is then coagulated.PPCROSS REFERENCE TO RELATED APPLICATIONS PPThis application is a division of application Ser. No. 348, 069, filed Apr. 5, 1973, now U.S. Pat. No. 3,887,676, which in turn was a continuation-in-part of application Ser. No. 230,478, filed on Feb. 29, 1972, and now abandoned, which in turn was a continuation of application Ser. No. 821,066, filed on May 1, 1969 and now abandoned.