RO91473B1 - Procedeu de obtinere a policlorurii de vinil tip superporos - Google Patents
Procedeu de obtinere a policlorurii de vinil tip superporosInfo
- Publication number
- RO91473B1 RO91473B1 RO117746A RO11774685A RO91473B1 RO 91473 B1 RO91473 B1 RO 91473B1 RO 117746 A RO117746 A RO 117746A RO 11774685 A RO11774685 A RO 11774685A RO 91473 B1 RO91473 B1 RO 91473B1
- Authority
- RO
- Romania
- Prior art keywords
- content
- superporous
- obtaining
- low
- low content
- Prior art date
Links
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Inventia se refera la un procedeu de fabricare a policlorurii de vinil-suspensie tip superporos, cu caracteristici morfologice de exceptie (spectru granulometric îngust, continut redus de particule negelifiabile, sorbtie ireversibila de plastifiant ridicata) si puritate înalta (continut redus de substante organice oxidabile, continut redus de fractie extractibila în eter etilic, continut redus de monomer rezidual) destinata obtinerii de dispozitive i'utilizate în terapie si chirurgie venindîn contact cu sîngele uman. Se utilizeaza preîncalzirea flotei de polimerizare, reactia conducîndu-se în mediu reducator în pezenta unei combinatii ternare de agenti de suspensie si a unui initiator lent de polimerizare, cu oprirea ei la conversii de 40...70% si spalarea turei de polimer pe centriguga cu apa demineralizata la 80grade C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO117746A RO91473B1 (ro) | 1985-02-25 | 1985-02-25 | Procedeu de obtinere a policlorurii de vinil tip superporos |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO117746A RO91473B1 (ro) | 1985-02-25 | 1985-02-25 | Procedeu de obtinere a policlorurii de vinil tip superporos |
Publications (2)
Publication Number | Publication Date |
---|---|
RO91473A2 RO91473A2 (ro) | 1987-04-30 |
RO91473B1 true RO91473B1 (ro) | 1987-05-01 |
Family
ID=20116628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO117746A RO91473B1 (ro) | 1985-02-25 | 1985-02-25 | Procedeu de obtinere a policlorurii de vinil tip superporos |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO91473B1 (ro) |
-
1985
- 1985-02-25 RO RO117746A patent/RO91473B1/ro unknown
Also Published As
Publication number | Publication date |
---|---|
RO91473A2 (ro) | 1987-04-30 |
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