ITMI932336A1 - HIGH VISCOSITY POLYESTER COMPOSITIONS - Google Patents
HIGH VISCOSITY POLYESTER COMPOSITIONSInfo
- Publication number
- ITMI932336A1 ITMI932336A1 IT93MI002336A ITMI932336A ITMI932336A1 IT MI932336 A1 ITMI932336 A1 IT MI932336A1 IT 93MI002336 A IT93MI002336 A IT 93MI002336A IT MI932336 A ITMI932336 A IT MI932336A IT MI932336 A1 ITMI932336 A1 IT MI932336A1
- Authority
- IT
- Italy
- Prior art keywords
- high viscosity
- formula
- polyester compositions
- cr1r2
- cr3r4
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 2
- 229920000728 polyester Polymers 0.000 title abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 229920001225 polyester resin Polymers 0.000 abstract 1
- 239000004645 polyester resin Substances 0.000 abstract 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
Composizioni poliestere ad elevata viscosità del fuso ottenute per reazione ad alta temperatura di una resina poliestere, previamente essiccata, con almeno un composto di formula generale (I): (FORMULA I) dove X rappresenta un radicale organico divalente tale da dare origine a eterocicli scelto fra quelli di formula -CR1R2-CR3R4- ovvero -CR1R2-CR3R4-CR5R6-, con R1, R2, R3, R4, R5 e R6, uguali o differenti tra loro, che rappresentano un atomo di idrogeno od un metile; R rappresenta un radicale polivalente alifatico (lineare, ramificato o ciclico) con un numero di atomi di carbonio compreso tra 1 e 30 o aromatico con un numero di atomo di carbonio compreso tra 6 e 30, eventualmente sostituito con eteroatomi; n e m sono numeri interi compresi tra 1 e 5.High viscosity polyester compositions of the melt obtained by reaction at high temperature of a polyester resin, previously dried, with at least one compound of general formula (I): (FORMULA I) where X represents a divalent organic radical such as to give rise to chosen heterocycles among those of formula -CR1R2-CR3R4- or -CR1R2-CR3R4-CR5R6-, with R1, R2, R3, R4, R5 and R6, equal or different from each other, which represent a hydrogen atom or a methyl; R represents an aliphatic polyvalent radical (linear, branched or cyclic) with a number of carbon atoms between 1 and 30 or aromatic with a number of carbon atom between 6 and 30, possibly replaced with heteroatoms; n and m are integers between 1 and 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT93MI002336A IT1266665B1 (en) | 1993-11-04 | 1993-11-04 | High viscosity polyester compositions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT93MI002336A IT1266665B1 (en) | 1993-11-04 | 1993-11-04 | High viscosity polyester compositions |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI932336A0 ITMI932336A0 (en) | 1993-11-04 |
ITMI932336A1 true ITMI932336A1 (en) | 1995-05-04 |
IT1266665B1 IT1266665B1 (en) | 1997-01-09 |
Family
ID=11367142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT93MI002336A IT1266665B1 (en) | 1993-11-04 | 1993-11-04 | High viscosity polyester compositions |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1266665B1 (en) |
-
1993
- 1993-11-04 IT IT93MI002336A patent/IT1266665B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITMI932336A0 (en) | 1993-11-04 |
IT1266665B1 (en) | 1997-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961116 |