RO102460B1 - Process for preparing copolymers on vinyl chloride basis - Google Patents
Process for preparing copolymers on vinyl chloride basisInfo
- Publication number
- RO102460B1 RO102460B1 RO136685A RO13668588A RO102460B1 RO 102460 B1 RO102460 B1 RO 102460B1 RO 136685 A RO136685 A RO 136685A RO 13668588 A RO13668588 A RO 13668588A RO 102460 B1 RO102460 B1 RO 102460B1
- Authority
- RO
- Romania
- Prior art keywords
- vinyl chloride
- methylhydroxypropylcellulose
- trichlorethylene
- bis
- mixture
- Prior art date
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title abstract 2
- 229920001577 copolymer Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 3
- -1 -tert-butyl peroxydicarbonate Chemical compound 0.000 abstract 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000178 monomer Substances 0.000 abstract 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 abstract 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 abstract 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 abstract 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 abstract 2
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 abstract 1
- ZACVGCNKGYYQHA-UHFFFAOYSA-N 2-ethylhexoxycarbonyloxy 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OOC(=O)OCC(CC)CCCC ZACVGCNKGYYQHA-UHFFFAOYSA-N 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000012986 chain transfer agent Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 239000000375 suspending agent Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a copolimerilor clorura de vinil cu acetat de vinil si anhidrida maleica prin procedeul în suspensie, la lun raport al monomerilor de 81 ... 85 : 14 ... 17 : 1 ... 5 parti în greutate, raport monomeri : apa de 1 : 1,7 ... 2,5, prin conducerea reactiei de copolimerizare, utilizând ca initiatori peroxidicarbonat de di(2-etilhexil), paroxidicarbonat de diciclohexil, peroxidicarbonat de bis(4-tert-butil-ciclohexil) sau 2,2' azo-bis(2,4-dimetilvaleronitril), ca agent de transfer de lant, tricloretilena sau amestec de tricloretilena si tetraclorura de carbon, ca agent de suspensie, metilhidroxipropilceluloza, polivinilpirolidona, amestec de metilhidroxipropil celuloza si polivinilpirolidona sau amestec de metilhidroxipropilceluloza si alcool polivinilic, procesul decurgând la temperatura de 45 ... 50 grade C, timp de 4,5 ... 5,5 h, conversia materiilor prime fiind între 91 si 93%.The invention relates to a process for obtaining copolymers of vinyl chloride with vinyl acetate and maleic anhydride by the suspension process at a monomer ratio of 81 ... 85: 14 ... 17: 1 ... 5 parts in weight ratio of monomers: water 1: 1.7 ... 2.5 by conducting the copolymerization reaction using di (2-ethylhexyl) peroxydicarbonate initiator, dicyclohexyl paroxicarbonate, bis (4-tert-butyl peroxydicarbonate) -cyclohexyl) or 2,2'-azo-bis (2,4-dimethylvaleronitrile) as chain transfer agent, trichlorethylene or a mixture of trichlorethylene and carbon tetrachloride as a suspending agent, methylhydroxypropylcellulose, polyvinylpyrrolidone, methylhydroxypropyl cellulose polyvinylpyrrolidone or a mixture of methylhydroxypropylcellulose and polyvinyl alcohol, the process proceeding at a temperature of 45 ... 50 ° C for 4.5 ... 5.5 hours, the conversion of the starting materials being between 91 and 93%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO136685A RO102460B1 (en) | 1988-12-21 | 1988-12-21 | Process for preparing copolymers on vinyl chloride basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO136685A RO102460B1 (en) | 1988-12-21 | 1988-12-21 | Process for preparing copolymers on vinyl chloride basis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO102460A2 RO102460A2 (en) | 1991-10-08 |
| RO102460B1 true RO102460B1 (en) | 1991-10-30 |
Family
ID=20123212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO136685A RO102460B1 (en) | 1988-12-21 | 1988-12-21 | Process for preparing copolymers on vinyl chloride basis |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO102460B1 (en) |
-
1988
- 1988-12-21 RO RO136685A patent/RO102460B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO102460A2 (en) | 1991-10-08 |
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