IT1296595B1 - Procedimento per l'accrescimento del peso molecolare di resine. - Google Patents
Procedimento per l'accrescimento del peso molecolare di resine.Info
- Publication number
- IT1296595B1 IT1296595B1 ITTO971042A IT1296595B1 IT 1296595 B1 IT1296595 B1 IT 1296595B1 IT TO971042 A ITTO971042 A IT TO971042A IT 1296595 B1 IT1296595 B1 IT 1296595B1
- Authority
- IT
- Italy
- Prior art keywords
- aliphatic
- polyester resins
- polyester
- mol
- hydroxyl groups
- Prior art date
Links
- 239000004645 polyester resin Substances 0.000 title abstract 7
- 229920001225 polyester resin Polymers 0.000 title abstract 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 title abstract 3
- 229920005989 resin Polymers 0.000 abstract 4
- 239000011347 resin Substances 0.000 abstract 4
- 239000004970 Chain extender Substances 0.000 abstract 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- -1 aliphatic dicarboxylic acids Chemical class 0.000 abstract 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 2
- 229920003232 aliphatic polyester Polymers 0.000 abstract 2
- 230000001588 bifunctional effect Effects 0.000 abstract 2
- 150000002596 lactones Chemical class 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- 229920001634 Copolyester Polymers 0.000 abstract 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 238000007259 addition reaction Methods 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- 239000000499 gel Substances 0.000 abstract 1
- 150000001261 hydroxy acids Chemical class 0.000 abstract 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Polyesters Or Polycarbonates (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97TO001042 IT1296595B1 (it) | 1997-12-01 | 1997-12-01 | Procedimento per l'accrescimento del peso molecolare di resine. |
| EP98965185A EP1058703B1 (en) | 1997-12-01 | 1998-11-27 | A method for increasing the molecular weight of polyester resins |
| AT98965185T ATE252126T1 (de) | 1997-12-01 | 1998-11-27 | Verfahren zur erhöhung des molekulargewichts von polyesterharzen |
| US09/555,287 US6388025B1 (en) | 1997-12-01 | 1998-11-27 | Method for increasing the molecular weight of polyester resins |
| JP2000523256A JP2001525431A (ja) | 1997-12-01 | 1998-11-27 | ポリエステル樹脂の分子量を増加させる方法 |
| PCT/EP1998/007624 WO1999028367A1 (en) | 1997-12-01 | 1998-11-27 | A method for increasing the molecular weight of polyester resins |
| DE69819040T DE69819040T2 (de) | 1997-12-01 | 1998-11-27 | Verfahren zur erhöhung des molekulargewichts von polyesterharzen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97TO001042 IT1296595B1 (it) | 1997-12-01 | 1997-12-01 | Procedimento per l'accrescimento del peso molecolare di resine. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITTO971042A0 ITTO971042A0 (it) | 1997-12-01 |
| ITTO971042A1 ITTO971042A1 (it) | 1999-06-02 |
| IT1296595B1 true IT1296595B1 (it) | 1999-07-14 |
Family
ID=11416170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT97TO001042 IT1296595B1 (it) | 1997-12-01 | 1997-12-01 | Procedimento per l'accrescimento del peso molecolare di resine. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1296595B1 (it) |
-
1997
- 1997-12-01 IT IT97TO001042 patent/IT1296595B1/it active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO971042A1 (it) | 1999-06-02 |
| ITTO971042A0 (it) | 1997-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted |