Title:
ETHYLENE-VINYL-ESTER-BASED SAPONIFIED COPOLYMER PELLET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/073307
Kind Code:
A1
Abstract:
Provided are an EVOH resin pellet that can suppress the occurrence of fisheye even with an EVOH resin monolayer film, and a manufacturing method therefor. In this EVOH resin pellet, which contains a boron compound, the boron content in a pellet surface layer is 1.7 ppm or smaller. After the EVOH resin pellet is made to contain the boron compound, the EVOH resin pellet is rinsed with a water/alcohol liquid mixture so that the content of the boron compound in the pellet surface layer can be reduced.
Inventors:
HORI SHINICHI (JP)
YAMAMOTO NOBUYUKI (JP)
NAKAJIMA TAKUYA (JP)
YAMAMOTO NOBUYUKI (JP)
NAKAJIMA TAKUYA (JP)
Application Number:
PCT/JP2016/080059
Publication Date:
May 04, 2017
Filing Date:
October 11, 2016
Export Citation:
Assignee:
NIPPON SYNTHETIC CHEM IND CO LTD (JP)
International Classes:
C08J3/12; B29B9/16; C08L29/04; B29K29/00
Foreign References:
| JP2000044756A | 2000-02-15 | |||
| JP2002060499A | 2002-02-26 | |||
| JP2000159907A | 2000-06-13 |
Other References:
See also references of EP 3369762A4
Attorney, Agent or Firm:
KAMITANI Eriko (JP)
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