Lactone-modified polyvinyl alcohol, a process for the preparatio

Details Lactone-modified polyvinyl alcohol, a process for the preparatio Lactone-modified polyvinyl alcohol, a process for the preparatio

1995-06-07

1997-03-18

Yoon, Tae

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

Synthetic resins

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

525 60, 525 62, 526270, C08L 2904, C08F 1606

Patent

active

056124120

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 capability of freely adjusting a 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 both properties in PVA and lactones.
Furthermore, the lactone-modified polyvinyl alcohol has a property as plasticizers or softening agents, as a result, there can be provided a polymer composition having an excellent property by mixing with 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: 4618648 (1986-10-01), Marten
patent: 4871780 (1989-10-01), Sharaby
patent: 5187226 (1993-02-01), Kamach et al.
patent: 5190712 (1993-03-01), Oishi et al.
patent: 5331045 (1994-07-01), Spinu

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