AR246748A1 - A process for preparing hollow latex polymers. - Google Patents
A process for preparing hollow latex polymers.Info
- Publication number
- AR246748A1 AR246748A1 AR31809690A AR31809690A AR246748A1 AR 246748 A1 AR246748 A1 AR 246748A1 AR 31809690 A AR31809690 A AR 31809690A AR 31809690 A AR31809690 A AR 31809690A AR 246748 A1 AR246748 A1 AR 246748A1
- Authority
- AR
- Argentina
- Prior art keywords
- monomer
- molecular weight
- low molecular
- phase
- weight polymer
- Prior art date
Links
Abstract
PREPARACION DE POLIMEROS DE LATEX HUECO, EN DONDE SE HACE LA POLIMERIZACION EN EMULSION, EN UNA ETAPA,DE MONOMEROS, CON HIDROCARBUROS, (1)INTRODUCIENDO EN UN RECIPIENTE DE POLIMERIZACION UNA CARGA INICIAL DE REACTOR QUE TIENE: UNA 1ERA.CARGA DE FASE ORGANICA Y UNA FASE ACUOSA, SIENDO LA FASE ACUOSA (A)AGUA Y (B) UNA CANTIDAD EFECTIVA DE INICIADOR SOLUBLE EN AGUA;TENIENDO LA 1ERA.CARGA DE FASE ORGANICA (A)UNA CANTIDAD EFECTIVA DE UN MONOMERO,CON SOLUBILIDAD <3% EN LA FASE ACUOSA,BAJO CONDICIONES DE POLIMERIZACION, Y(B) UNA CANTIDAD DE UN HIDROCARBURO INERTE, NO POLIMERIZABLE,QUETIENE UNA SOLUBILIDAD EN LA FASE ACUOSA <1%, BAJO LAS CONDICIONES DE POLIMERIZACION, Y EN DONDE EL MONOMERO ES MISCIBLE CON EL HIDROCARBURO; Y (2)POLIMERIZANDO EL MONOMERO BAJO CONDICIONES QUE PRODUZCAN UN POLIMERO DE BAJO PESO MOLECULAR, DE MANERA QUE, LA FASE DE POLIMERO DE BAJO PESO MOLECULAR SE SEPARA DE LA FASE ORGANICA Y SE CONCENTRA EN LA SUPERFICIE DE LA FASE ORGANICA, Y (3) INTRODUCIENDO EN EL RECIP IENTE UNA 2DA.CARGA DE LA FASE ORGANICA A LA FASE ACUOSA, CUANDO EL POLIMERO DE BAJO PESO MOLECULAR ALCANZA UNA CONVERSION DE MONOMERO A POLIMERO DE 80% EN PESO O MENOS, EN DONDE LA 2DA. CARGA DE LA FASE ORGANICA COMPRENDE UN MONOMERO ENTRELAZADOR, QUE QUEDA EMBEBIDO EN LA FASE DE POLIMERO DE BAJO PESO MOLECULAR; Y (4) POLIMERIZANDO EL MONOMERO ENTRELAZADOR CON EL POLIMERO DE BAJO PESO MOLECULAR, PRODUCIENDO UNA PARTICULA HUECA DE LATEX POLIMERICO.PREPARATION OF LATEX HOLLOW POLYMERS, WHERE THE EMULSION POLYMERIZATION IS MADE, IN A STAGE, OF MONOMERS, WITH HYDROCARBONS, (1) INTRODUCING IN A CONCENTRATE OF POLYMERIZATION THAT HAS AN ORIGINAL FACTORY. AND AN AQUEOUS PHASE, THE AQUEOUS PHASE BEING (A) WATER AND (B) AN EFFECTIVE AMOUNT OF INITIATOR SOLUBLE IN WATER; THE FIRST ORGANIC PHASE LOAD HAS (A) AN EFFECTIVE AMOUNT OF A MONOMER, WITH SOLUBILITY <3% IN THE AQUEOUS PHASE, UNDER CONDITIONS OF POLYMERIZATION, AND (B) A QUANTITY OF AN INERT, NON-POLYMERIZABLE HYDROCARBON, WHICH HAS A SOLUBILITY IN THE AQUEOUS PHASE <1%, UNDER THE CONDITIONS OF POLYMERIZATION, AND WHERE THE MONOMER IS MISSIBLE WITH ; AND (2) POLYMERIZING THE MONOMER UNDER CONDITIONS THAT PRODUCE A LOW MOLECULAR WEIGHT POLYMER, SO THAT THE PHASE OF LOW MOLECULAR WEIGHT POLYMER IS SEPARATED FROM THE ORGANIC PHASE, AND IS CONCENTRATED ON THE SURFACE OF THE ORGANIC PHASE, AND (3 ) INTRODUCING IN THE CONTAINER A 2ND LOAD FROM THE ORGANIC PHASE TO THE AQUEOUS PHASE, WHEN THE LOW MOLECULAR WEIGHT POLYMER REACHES A CONVERSION FROM MONOMER TO POLYMER OF 80% IN WEIGHT OR LESS, WHERE THE 2ND. LOAD OF THE ORGANIC PHASE INCLUDES AN INTERLOCKING MONOMER, WHICH IS EMBEDDED IN THE LOW MOLECULAR WEIGHT POLYMER PHASE; AND (4) POLYMERIZING THE INTERLOCKING MONOMER WITH THE LOW MOLECULAR WEIGHT POLYMER, PRODUCING A HOLLOW PARTICLE OF POLYMERIC LATEX.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR31809690A AR246748A1 (en) | 1990-10-16 | 1990-10-16 | A process for preparing hollow latex polymers. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR31809690A AR246748A1 (en) | 1990-10-16 | 1990-10-16 | A process for preparing hollow latex polymers. |
Publications (1)
Publication Number | Publication Date |
---|---|
AR246748A1 true AR246748A1 (en) | 1994-09-30 |
Family
ID=32967576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR31809690A AR246748A1 (en) | 1990-10-16 | 1990-10-16 | A process for preparing hollow latex polymers. |
Country Status (1)
Country | Link |
---|---|
AR (1) | AR246748A1 (en) |
-
1990
- 1990-10-16 AR AR31809690A patent/AR246748A1/en active
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