Title:
石膏ボード用澱粉系バインダー
Document Type and Number:
Japanese Patent JP4084865
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To increase the strength of an inorg. molded body and to improve the adhesiveness of the inorg. core of a gypsum board to the board base paper by mixing reserve starch with the cortex component of reserve starch in a specified weight ratio. SOLUTION: Reserve starch such as potato starch, tapioca starch, sweet potato starch, corn starch, high amylose corn starch, wheat starch or rice starch is prepd. and 98-5 wt.%, preferably 90-20 wt.%, especially preferably 90-40 wt.% of the reserve starch is mixed with 2-95 wt.%, preferably 10-80 wt.%, especially preferably 10-60 wt.% cortex component of reserve starch such as cortex component-base starch residue discharged from a process for producing rhizome starch, cortex component-base bran discharged from a process for producing grass starch or cortex component-base corn white residue discharged from a process for producing corn starch and the resultant mixture is subjected to acid treatment or oxidation treatment if necessary.
Inventors:
Hideyuki Tanaka
Hiroshige Murase
Victory
Hiroshige Murase
Victory
Application Number:
JP20886297A
Publication Date:
April 30, 2008
Filing Date:
August 04, 1997
Export Citation:
Assignee:
Japan Corn Starch Co., Ltd.
International Classes:
B32B13/08; C04B24/38; C04B28/14
Domestic Patent References:
| JP6299131A | ||||
| JP61169130A | ||||
| JP50160184A | ||||
| JP56120580A |
Attorney, Agent or Firm:
Akio Iida