Title:
METHODS OF PREPARING POLYHEMIAMINALS AND POLYHEXAHYDROTRIAZINES
Document Type and Number:
WIPO Patent Application WO/2015/051715
Kind Code:
A1
Abstract:
Polyhexahydrotriazine (PHT) film layers are formed by a process comprising heating a first mixture comprising i) a solvent, ii) paraformaldehyde, and iii) a diamine monomer comprising two primary aromatic amine groups at a temperature of about 20°C to less than 150 °C. This heating step forms a stable polyhemiaminal (PHA) in solution, which can be cast on a surface of a substrate, thereby forming an initial film layer comprising the PHA. The initial film layer is heated at a temperature of 180°C to about 280°C, thereby converting the PHA film layer to a PHT film layer. Young's moduli of about 8 GPA to about 14 GPA have been observed for the PHT film layers.
Inventors:
HEDRICK JAMES L (US)
HORN HANS W (US)
JONES GAVIN O (US)
O'BRIEN JEANNETTE M (US)
VIRWANI KUMAR R (US)
HORN HANS W (US)
JONES GAVIN O (US)
O'BRIEN JEANNETTE M (US)
VIRWANI KUMAR R (US)
Application Number:
PCT/CN2014/087654
Publication Date:
April 16, 2015
Filing Date:
September 28, 2014
Export Citation:
Assignee:
IBM (US)
IBM CHINA CO LTD (CN)
IBM CHINA CO LTD (CN)
International Classes:
C08G12/08
Domestic Patent References:
| WO2009157426A1 | 2009-12-30 |
Foreign References:
| US4246160A | 1981-01-20 | |||
| JP2010077245A | 2010-04-08 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (26 Pinganli Xidajie Xicheng District, Beijing 4, CN)
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