Poly(arylene thioether-ketone) compositions improved in both melt stability and crystallinity
US4826906A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1988 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Jun 17, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a poly(arylene thioether-ketone) composition improved in melt stability and crystallinity, which comprises (A) 100 parts by weight of a melt-stable poly(arylene thioether-ketone) (PTK) and (B) 0.1-30 parts by weight of at least basic compound selected from the group consisting of the hydroxides, oxides and aromatic carboxylic acid salts of Group IIA metals of the periodic table other than magnesium and the hydrocarbyl oxides, aromatic carboxylic acid salts, carbonates, hydroxides, phosphates and borates of Group IA metals of the periodic table. The phosphates and borates include condensation products. The PTK has predominant recurring units of the formula ##STR1## and having a melting point, Tm of 310.degree.-380.degree. C., a residual melt crystallization enthalpy, .DELTA.Hmc (420.degree. C./10 min) of at least 10 J/g, a melt crystallization peak-temperature, Tmc (420.degree. C./10 min) of at least 210.degree. C. and a reduced viscosity of 0.2-2 dl/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.