Polymer having thiol end group

Details Polymer having thiol end group Polymer having thiol end group

1984-03-22

1986-01-21

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526224, C08F 242

Patent

active

045658544

ABSTRACT:
The present invention relates to a polymer having a thiol group at one end of the molecule, which is obtained by subjecting the monomers capable of radical polymerization to radical polymerization in the presence of a thiolcarboxylic acid and then treating the resulting polymer with an alkali or acid; to a process for producing the same; and to a block copolymer based on the polymer having a thiol group at the end.
The polymer having a thiol group at one end is difficult of forming disulfide linkages by oxidation and thus difficult of becoming insoluble. It is also a highly reactive material that will find wide use in varied application areas such as capture of heavy metals by forming a mercaptide. The block copolymer based on the polymer having a thiol group at the end is superior in compatibility and will find wide use in varied application areas such as surface size for paper, textile fiber finishing, additives for adhesives and paints, and binders for non woven textiles.

REFERENCES:
patent: 3758447 (1973-09-01), Falk et al.
patent: 4450261 (1984-05-01), Chiao et al.

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