ES2019182A6 - A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. - Google Patents
A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers.Info
- Publication number
- ES2019182A6 ES2019182A6 ES8903885A ES8903885A ES2019182A6 ES 2019182 A6 ES2019182 A6 ES 2019182A6 ES 8903885 A ES8903885 A ES 8903885A ES 8903885 A ES8903885 A ES 8903885A ES 2019182 A6 ES2019182 A6 ES 2019182A6
- Authority
- ES
- Spain
- Prior art keywords
- stabilizing
- compositions
- long
- improve
- thermoplastic polymers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers, particularly vinyl polymers which contain halogens such as poly(vinyl chloride). The improved stabilizing compositions combine one or more primary stabilizing compounds which contain metal with a finely divided co- stabilizing phosphate material with a predetermined specific area. The phosphate material includes a sodium or potassium monohydrogen phosphate, lithium dihydrogen phosphate, or alkali metal, anhydrous or hydrated pyrophosphate. The new combination of stabilizers allows a reduction in the amount of stabilizer which contains metal, if desired, while it still produces long-term stability in the resultant polymer, or provides the possibility of raising the processing temperature and reducing the cycle times of the moulding operations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8903885A ES2019182A6 (en) | 1989-11-15 | 1989-11-15 | A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8903885A ES2019182A6 (en) | 1989-11-15 | 1989-11-15 | A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2019182A6 true ES2019182A6 (en) | 1991-06-01 |
Family
ID=8264884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8903885A Expired - Fee Related ES2019182A6 (en) | 1989-11-15 | 1989-11-15 | A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2019182A6 (en) |
-
1989
- 1989-11-15 ES ES8903885A patent/ES2019182A6/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SA6 | Expiration date (snapshot 920101) |
Free format text: 2009-11-15 |
|
FD1A | Patent lapsed |
Effective date: 20010503 |