1111111111111111 11111 1111111111 111111111111111 1111111111 lll111111111111111  US009617395B2  c12)  United States Patent  Saito et al.  (IO)  Patent No.:  US 9,617,395 B2  (45)  Date of Patent:  Apr. 11, 2017  (54)  POLYAMIDE 1010 POLYMER PARTICLES  AND METHOD FOR PRODUCING SAME  (58)  Field of Classification Search  CPC .. ... .. ... ... ... ... ... .. ... ... ... ... .. ... ... ... ... .. C08G 18/063  (75)  Inventors:  Makiko Saito,  Nagoya (JP);  Hiroshi  Takezaki,  Nagoya (JP)  (73)  Assignee:  Toray Industries, Inc.  (JP)  ( *)  Notice:  Subject to any disclaimer, the term ofthis  patent is extended or adjusted under 35  U.S.C. 154(b) by 57 days.  (21)  Appl. No.:  14/345,448  (22)  PCT Filed:  Jul. 11, 2012  (86)  PCT No.:  PCT  I  JP2012/067693  §  371 (c)(l),  (2), ( 4) Date:  Mar. 18, 2014  (87)  PCT Pub. No.:  WO2013/046860  PCT Pub. Date:  Apr. 4, 2013  (65)  Prior Publication Data  US 2014/0349113 Al  Nov. 27, 2014  (30)  Foreign Application Priority Data  Sep. 27, 2011  Mar. 23, 2012  (WO) .................. PCT/JP2011/071954  (JP) ................................. 2012-067571  B32B 5116  C0SJ 3/14  (2006.01)  (2006.01)  JP  JP  2007-277 546  2010-163618  10/2007  7/2010  (51)  Int. Cl.  (52)  U.S. Cl.  CPC ..............  C0SJ 3/14  (2013.01);  C0SG 181603  (2013.01);  C0SG 69/26  (2013.01);  C0SL  77106  (2013.01);  (56)  References Cited  U.S. PATENT DOCUMENTS  FOREIGN PATENT DOCUMENTS  OTHER PUBLICATIONS  (57)  ABSTRACT  4 Claims, 9 Drawing Sheets  (Continued)  (Continued)  The production of polyamide 1010 polymer particles, in  which polyamide 1010 resin, a different polymer B and an  organic solvent are dissolved and mixed and thereupon an  emulsion is formed within a system for phase separation into  two phases, being a solution phase having the polyamide  1010 resin as the main component and a solution phase  having the polymer B as the main component, and thereafter  a poor solvent of the polyamide 1010 resin is brought into  contact therewith to precipitate the polyamide 1010 resin,  wherein the formation of the emulsion is carried out at a  temperature of 100°  C. or higher, thereby making it possible  to obtain highly crystalline polyamide 1010 particles having  a high sphericity.  Primary Examiner  - Holly Le  (74)  Attorney, Agent, or Firm  - DLA Piper LLP (US)  (Continued)  Sumitomo Kagaku 2006-I Report-Development of Spherical  Polyamide Fine powder, Shinto Fine Co., 2006.*  (Continued)  (Continued)  4,081,430 A *  3/1978 Minami  C08G 69/48  525/420  2006/0269749 Al* 11/2006 Okumura ................. C08J 3/005  428/402  (Continued) 