Title:
SUPPORT MATERIAL FOR ADDITIVE MANUFACTURING, AND METHOD FOR MANUFACTURING ADDITIVE-MANUFACTURING ARTICLE AND THREE-DIMENSIONAL STRUCTURE USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/200153
Kind Code:
A1
Abstract:
Disclosed is a support material for additive manufacturing that: has excellent adhesiveness to various modelling materials; can be easily removed by dissolution in water when removed by washing with water; and does not interfere with environmental regulations even when generated wastewater (PVA aqueous solution) is drained and removed as-is. This support material contains (A) a PVA-based resin that has a sulfonate group or a group containing a salt thereof and (B) a biodegradable polyester, and either (A) the PVA-based resin that has a sulfonate group or a group containing a salt thereof or (B) the biodegradable polyester has a sea–island structure that serves as a matrix.
Inventors:
SAKAI NORIHITO (JP)
Application Number:
PCT/JP2021/010809
Publication Date:
October 07, 2021
Filing Date:
March 17, 2021
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C08F8/12; B29C64/118; B29C64/40; B33Y10/00; B33Y70/00; C08K5/098; C08L67/00
Domestic Patent References:
| WO2015182681A1 | 2015-12-03 | |||
| WO2018061694A1 | 2018-04-05 |
Foreign References:
| JP2018099788A | 2018-06-28 | |||
| JP2018086814A | 2018-06-07 | |||
| JP2019531214A | 2019-10-31 | |||
| JP2016078284A | 2016-05-16 | |||
| JP2019155917A | 2019-09-19 | |||
| JP2018099788A | 2018-06-28 |
Other References:
See also references of EP 4130056A4
Attorney, Agent or Firm:
KAMITANI Eriko (JP)
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