Title:
【発明の名称】ビニルアルコール共重合体、これを含有する水溶性フィルム及びその包装材料としての使用法
Document Type and Number:
Japanese Patent JPH10504332
Kind Code:
A
Abstract:
PCT No. PCT/AT95/00151 Sec. 371 Date Jan. 15, 1997 Sec. 102(e) Date Jan. 15, 1997 PCT Filed Jul. 21, 1995 PCT Pub. No. WO96/03443 PCT Pub. Date Feb. 8, 1996The description relates to vinyl alcohol copolymers which can be produced by the acid-catalysed acetalisation reaction of polyvinyl alcohols with a degree of saponification of 80-99.5 mol % and preferably between 88 and 99.5 mol % with natural substances or their derivatives containing carbonyl or presumptive carbonyl groups. The description also relates to water-soluble films containing such vinyl alcohol copolymers, the solubility of which can be adjusted to the desired solution temperature. Said water-soluble films are used as packaging materials and auxiliaries, e.g. in the form of sealing lacquers.
Inventors:
Hashiyuki, Heinz
Rauille, Ralph
Reiterer, franz
Behrmann, Hueritz
Rauille, Ralph
Reiterer, franz
Behrmann, Hueritz
Application Number:
JP50530395A
Publication Date:
April 28, 1998
Filing Date:
July 21, 1995
Export Citation:
Assignee:
Taihi Actien Gezershaft
International Classes:
C08F8/28; C08F16/06; C08F16/38; C08J5/18; C08L33/00; C08L101/16; (IPC1-7): C08F8/28; C08F16/06; C08F16/38; C08J5/18; C08L33/00
Attorney, Agent or Firm:
Heiyoshi Odashima