Modified polyvinyl alcohol and its use as a sizing agent

Details Modified polyvinyl alcohol and its use as a sizing agent Modified polyvinyl alcohol and its use as a sizing agent

1982-03-08

1983-08-30

Levin, Stanford M.

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

Synthetic resins

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

81156, 81157, 4273899, C08F 834

Patent

active

044018363

ABSTRACT:
Polyvinyl alcohol modified by reaction with formaldehyde and amidosulfonic acid at a pH value of 4 to 7, which value is established by the addition of an organic amine. This modified polyvinyl alcohol is suitable for use as a sizing agent for yarns.

REFERENCES:
patent: 2434145 (1948-01-01), Coffman
patent: 4013805 (1977-03-01), Corey et al.

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