RO82039B1 - Procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofile - Google Patents
Procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofileInfo
- Publication number
- RO82039B1 RO82039B1 RO104022A RO10402281A RO82039B1 RO 82039 B1 RO82039 B1 RO 82039B1 RO 104022 A RO104022 A RO 104022A RO 10402281 A RO10402281 A RO 10402281A RO 82039 B1 RO82039 B1 RO 82039B1
- Authority
- RO
- Romania
- Prior art keywords
- forming materials
- hydrophilic properties
- degrees
- manufacturing film
- collagen
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- 102000008186 Collagen Human genes 0.000 abstract 2
- 108010035532 Collagen Proteins 0.000 abstract 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 abstract 2
- 229920001436 collagen Polymers 0.000 abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 abstract 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract 1
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Inventia se refera la un procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofile pe baza de hidrolizat de colagen si poliuretan în mediu de formamida si consta în aceea ca se trateaza polietilenglicol-adipat cu dibenzildiizocianat si diglicoli în mediu de dimetilacetamida, dimetilsulfoxid, sau amestecul lor cu acetona, la temperatura de 60 degree C, timp de 60 min. Prepolimerul uretanic obtinut, cu temperatura de înmuiere cuprinsa între 40 si 75 degree C, reactioneaza cu esteri de hidrolizate de colagen cu masa moleculara de 5000...70000 si grad de esterificare de 35...75% apoi cu hexametilendiizocianat la temeperatura de 40...80 degree C, dupa care reactia este întrerupta prin adaugarea de alcool etilic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO81104022A RO82039A3 (ro) | 1981-05-15 | 1981-05-15 | Procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO81104022A RO82039A3 (ro) | 1981-05-15 | 1981-05-15 | Procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO82039B1 true RO82039B1 (ro) | 1983-06-30 |
| RO82039A3 RO82039A3 (ro) | 1983-07-07 |
Family
ID=20109833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO81104022A RO82039A3 (ro) | 1981-05-15 | 1981-05-15 | Procedeu de fabricare a unor materiale peliculogene cu proprietati hidrofile |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO82039A3 (ro) |
-
1981
- 1981-05-15 RO RO81104022A patent/RO82039A3/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO82039A3 (ro) | 1983-07-07 |
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