Title:
RESIN COMPOSITION AND RESIN COATED SAND
Document Type and Number:
WIPO Patent Application WO/2023/223996
Kind Code:
A1
Abstract:
A resin composition for resin coated sand, the resin composition containing a lignin-modified novolac phenolic resin, wherein the content of free phenols in the lignin-modified novolac phenolic resin is 2% by mass or less.
Inventors:
MURAI TAKETOSHI (JP)
Application Number:
PCT/JP2023/018063
Publication Date:
November 23, 2023
Filing Date:
May 15, 2023
Export Citation:
Assignee:
SUMITOMO BAKELITE CO (JP)
International Classes:
B22C1/22; C04B20/10; C08G8/28; C08K5/544; C08L61/14
Foreign References:
| JP2008156601A | 2008-07-10 | |||
| JP2018118298A | 2018-08-02 | |||
| JP2003170244A | 2003-06-17 | |||
| JP2005288447A | 2005-10-20 | |||
| CN112029058A | 2020-12-04 | |||
| JP2015174894A | 2015-10-05 | |||
| US5260405A | 1993-11-09 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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