RO81374B1 - Rasina poliesterica nesaturata cu uscare rapida la aer si procedeu pentru obtinerea acesteia - Google Patents
Rasina poliesterica nesaturata cu uscare rapida la aer si procedeu pentru obtinerea acesteiaInfo
- Publication number
- RO81374B1 RO81374B1 RO102922A RO10292280A RO81374B1 RO 81374 B1 RO81374 B1 RO 81374B1 RO 102922 A RO102922 A RO 102922A RO 10292280 A RO10292280 A RO 10292280A RO 81374 B1 RO81374 B1 RO 81374B1
- Authority
- RO
- Romania
- Prior art keywords
- proportion
- moles
- polyester resin
- acid
- koh
- Prior art date
Links
- 238000001035 drying Methods 0.000 title abstract 3
- 229920001225 polyester resin Polymers 0.000 title abstract 2
- 239000004645 polyester resin Substances 0.000 title abstract 2
- 229920006395 saturated elastomer Polymers 0.000 title 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 abstract 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 5
- 239000002253 acid Substances 0.000 abstract 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 abstract 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- -1 aliphatic ethers Chemical class 0.000 abstract 1
- 125000000746 allylic group Chemical group 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 239000001530 fumaric acid Substances 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract 1
- 239000011976 maleic acid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920000151 polyglycol Polymers 0.000 abstract 1
- 239000010695 polyglycol Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Inventia se refera la o rasina poliesterica nesaturata cu uscare rapida la aer care este constituita din etilenglicol, polienglicol sau dietilenglicol în proportie sau dietilenglicol în proportie de 2....2,5 mol, acizi nesaturati si acid maleic sau fumaric în proportie de 1....1,2 mol, anhidrida tetrahidroftalica sau endometilentetrahidroftalica în proportie de 1....1,4 mol si alieteri ca glicerinmonoalileter sau dialileter, trimetilopropandialileter în proportie de 0,5....0,8 mol. Procedeul pentru obtinerea rasinii în esterificarea glicolului cu acidul nesaturat sau anhidrida acestuia la o temperatura de 200......220 degree C, pîna la obtinerea unui indice de aciditate de 5....25 mg KOH/g, iar în a doua treapta se efectueaza poliesterificarea semiesterului obtinut cu restul de materii prime, ca acidul nesaturat si derivatii alilici, la temepratura de 170.....190 degree C, pîna la obtinerea unui timp de scurgere prin cupa vîscozimetrica cu fi 4 mm la 20 degree C, de 75....105 s si un indice de aciditate al solutiei de rasina 66% în stiren de maximum 25 mg KOH/g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO102922A RO81374B1 (ro) | 1980-12-23 | 1980-12-23 | Rasina poliesterica nesaturata cu uscare rapida la aer si procedeu pentru obtinerea acesteia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO102922A RO81374B1 (ro) | 1980-12-23 | 1980-12-23 | Rasina poliesterica nesaturata cu uscare rapida la aer si procedeu pentru obtinerea acesteia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81374A2 RO81374A2 (ro) | 1983-02-15 |
| RO81374B1 true RO81374B1 (ro) | 1983-02-28 |
Family
ID=20109303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO102922A RO81374B1 (ro) | 1980-12-23 | 1980-12-23 | Rasina poliesterica nesaturata cu uscare rapida la aer si procedeu pentru obtinerea acesteia |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81374B1 (ro) |
-
1980
- 1980-12-23 RO RO102922A patent/RO81374B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO81374A2 (ro) | 1983-02-15 |
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