Title:
ボトルブロー成形用コーティング剤、プラスチックボトルおよびその製造方法
Document Type and Number:
Japanese Patent JP7320996
Kind Code:
B2
Abstract:
To provide a coating agent for bottle blow molding capable of forming a polyurethane layer excellent in gas barrier properties and water resistance on a surface of a plastic bottle and to provide a plastic bottle and a method for producing the same.SOLUTION: There is provided a coating agent for bottle blow molding obtained by dispersing in water a polyurethane resin and crosslinking agent, wherein the polyurethane resin is a secondary reaction product between an isocyanate group-terminated prepolymer which is a primary reaction product of a polyisocyanate component containing xylylene diisocyanate and/or hydrogenated xylylene diisocyanate and an active hydrogen group-containing component containing a short chain diol having 2 to 6 carbon atoms and an active hydrogen compound containing an anionic group and a chain extender, the crosslinking agent is selected from the group consisting of an epoxy crosslinking agent, a carbodiimide crosslinking agent and an oxazoline crosslinking agent and has a functional group equivalent of 500 or less.SELECTED DRAWING: None
Inventors:
Takashi Uchida
Kazuyuki Fukuda
Kazuyuki Fukuda
Application Number:
JP2019107230A
Publication Date:
August 04, 2023
Filing Date:
June 07, 2019
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
C09D175/04; B05D3/12; B05D7/00; B05D7/02; B05D7/24; B29C49/22; B65D23/08; C08G18/00; C08G18/12; C08G18/32; C08G18/34; C08G18/75; C08G18/76
Domestic Patent References:
| JP2017222863A | ||||
| JP2004043519A | ||||
| JP2001079994A |
Foreign References:
| WO2016171171A1 | ||||
| WO2009116231A1 | ||||
| US20150368512 |
Attorney, Agent or Firm:
Hiroyuki Okamoto
Shinichi Uda
Shinichi Uda