Block copolymer based on polymer having thiol end group and link

Details Block copolymer based on polymer having thiol end group and link Block copolymer based on polymer having thiol end group and link

1985-07-08

1987-10-13

Anderson, Harold D.

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

Synthetic resins

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

525 59, 525189, 525296, 525242, 525299, 525301, 525302, 525306, 525308, 525309, 525311, 525313, C08G 7504

Patent

active

046999507

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. 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.

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patent: 4369294 (1983-01-01), Stoy
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patent: 4461874 (1984-07-01), Teyssie et al.
patent: 4565854 (1986-01-01), Sato et al.

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