Title:
WATER-SOLUBLE FILM, CHEMICAL AGENT PACKAGE, AND METHOD FOR PRODUCING WATER-SOLUBLE FILM
Document Type and Number:
WIPO Patent Application WO/2017/043509
Kind Code:
A1
Abstract:
Disclosed is a water-soluble film comprising a polyvinyl alcohol-based resin (A), wherein the product (T×S) of the complete dissolution time (T) and the curl area rate (S) satisfies formula (1) described below. Thus, it is possible to obtain a water-soluble film achieving conflicting characteristics, i.e., excellent dissolubility and a reduction in the occurrence of curling, even in, for example, a water-soluble film using an acid-modified PVA-based resin. 1000 ≤ Complete dissolution time (T) × Curl area rate (S) ≤ 7000 … (1)
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Inventors:
OOKUBO MASANORI (JP)
KATSUMA KATSUHIKO (JP)
HIURA TAKAHIRO (JP)
KATSUMA KATSUHIKO (JP)
HIURA TAKAHIRO (JP)
Application Number:
PCT/JP2016/076258
Publication Date:
March 16, 2017
Filing Date:
September 07, 2016
Export Citation:
Assignee:
NIPPON SYNTHETIC CHEM IND CO LTD (JP)
International Classes:
C08J5/18; B29C41/46; B65D65/46; C08L29/04; B29K29/00; B29L7/00
Domestic Patent References:
| WO2015098979A1 | 2015-07-02 |
Foreign References:
| JP2009051947A | 2009-03-12 | |||
| JP2013518173A | 2013-05-20 | |||
| JP2002301899A | 2002-10-15 |
Other References:
See also references of EP 3348605A4
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
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