Lacton-modified polyvinyl alcohol and permanently anti-static re

Details Lacton-modified polyvinyl alcohol and permanently anti-static re Lacton-modified polyvinyl alcohol and permanently anti-static re

1996-12-26

1998-01-27

Yoon, Tae

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524503, 525 55, 525 56, 525 57, 525 60, C08K 324, C08K 330, C08L 2904

Patent

active

057123349

ABSTRACT:
Disclosed are a lactone-modified polyvinyl alcohol and a process for the preparation thereof, a polymer composition, a permanently anti-electrostatic resin composition, a lactone-modified resin having hydroxyl groups, and a process for the preparation thereof. The lactone-modified polyvinyl alcohol can be used in wide fields owing to the capability of freely adjusting the water solubility, such as water-soluble, gradually water-soluble, low water-soluble, and water-insoluble by a degree modified by lactone compounds, and owing to possessing properties both of PVA and lactones. Furthermore, the lactone-modified polyvinyl alcohol has properties such as being plasticizers or softening agents, and as a result, there can be provided a polymer composition having excellent properties by mixing with a hydrophilic polymer or polar polymer. Still further, a blend resin composition in which a variety of resins are blended with the lactone-modified polyvinyl alcohol has an excellent permanently-anti-electrostatic property, and the resin composition having a permanently-anti-electrostatic property can be preferably employed as a variety of molded articles such as parts for electric appliances, textiles, films, etc.

REFERENCES:
patent: 4144388 (1979-03-01), Yatsu et al.
patent: 4376153 (1983-03-01), Cardy
patent: 4618648 (1986-10-01), Marten
patent: 4871780 (1989-10-01), Sharaby
patent: 5187226 (1993-02-01), Kamachi et al.
patent: 5190712 (1993-03-01), Oishi et al.
patent: 5331045 (1994-07-01), Spinu

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