RO86739B1 - Procedeu pentru obtinerea cauciucului metilvinilsiliconic - Google Patents
Procedeu pentru obtinerea cauciucului metilvinilsiliconicInfo
- Publication number
- RO86739B1 RO86739B1 RO109195A RO10919582A RO86739B1 RO 86739 B1 RO86739 B1 RO 86739B1 RO 109195 A RO109195 A RO 109195A RO 10919582 A RO10919582 A RO 10919582A RO 86739 B1 RO86739 B1 RO 86739B1
- Authority
- RO
- Romania
- Prior art keywords
- obtaining
- weight
- methylvinylsilicone rubber
- methylvinylsilicone
- rubber
- Prior art date
Links
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- LTIUDPOSFOYSKA-UHFFFAOYSA-N 2-ethenyl-2,4,4,6,6,8,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C=C)O[Si](C)(C)O1 LTIUDPOSFOYSKA-UHFFFAOYSA-N 0.000 abstract 1
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 abstract 1
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- -1 cyclic siloxane compounds Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 abstract 1
- 238000006068 polycondensation reaction Methods 0.000 abstract 1
- 229920002379 silicone rubber Polymers 0.000 abstract 1
- 239000004945 silicone rubber Substances 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Silicon Polymers (AREA)
Abstract
Inventia se refera la un procedeu pentru obtinerea cauciucului metilvinilsiliconic, conform caruia, se efectueaza copolimerizarea heptametilvinil-ciclotetrasiloxanului cu un amestec de compusi siloxanici ciclici, constituit din 3...5% în greutate hexametilciclotirisiloxan, 80...85% în greutate octametilciclotetrasiloxan si 13...15% în greutate decametilciclopentasiloxan, în prezenta de 2% acid sulfuric concentrat, timp de 90 min, dupa care, produsul se dilueaza cu apa în proportie de 1...2,7% si se supune policondensarii timp de 18,5h, la temperatura de maximum 35 degree C, de preferinta 20 degree C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109195A RO86739B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea cauciucului metilvinilsiliconic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109195A RO86739B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea cauciucului metilvinilsiliconic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86739A2 RO86739A2 (ro) | 1985-04-17 |
| RO86739B1 true RO86739B1 (ro) | 1985-05-01 |
Family
ID=20112296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO109195A RO86739B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea cauciucului metilvinilsiliconic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO86739B1 (ro) |
-
1982
- 1982-12-02 RO RO109195A patent/RO86739B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO86739A2 (ro) | 1985-04-17 |
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