- 专利标题： WATER DISPERSIBLE SULFONATED THERMOPLASTIC COPOLYMER FOR USE IN ADDITIVE MANUFACTURING
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申请号： PCT/US2019/055694申请日： 2019-10-10
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公开(公告)号： WO2020077127A1公开(公告)日： 2020-04-16
- 发明人: PRIEDEMAN, William R. JR.
- 申请人： STRATASYS, INC.
- 申请人地址： 7665 Commerce Way Eden Prairie, MN 55344 US
- 专利权人： STRATASYS, INC.
- 当前专利权人： STRATASYS, INC.
- 当前专利权人地址： 7665 Commerce Way Eden Prairie, MN 55344 US
- 代理机构： SAWICKI, Peter Z. et al.
- 优先权： US62/743,997 20181010
- 主分类号： C08L101/02
- IPC分类号： C08L101/02 ; C08L101/14 ; C08F8/44 ; C08F8/48 ; C08F220/06 ; C08F220/14 ; C08F222/08 ; B29C64/40 ; B29C64/118 ; B33Y10/00 ; B33Y70/00
摘要：
A sulfonated water-dispersible thermoplastic copolymer material for use as a support material in an additive manufacturing process is made by a method comprising providing a selected thermoplastic copolymer having an acid or an anhydride group; esterifying the acid group of the selected thermoplastic copolymer with a hydroxyl-functionalized sulfonate salt, or amidizing the acid group of the selected thermoplastic copolymer with an amine sulfonate salt, or imidizing the anhydride group of the selected thermoplastic copolymer with an amine sulfonate salt. The esterification, the amidization or the imidization results in a sulfonated water thermoplastic dispersible copolymer having a glass transition temperature suitable to provide an effective support during the additive manufacturing process and wherein the sulfonated water-dispersible thermoplastic copolymer will disperse in tap wrater in less than 1 hour.
