BR9712178A - Composition and polymerization processes of monomers with addition of vinyl, of intermixing of an aqueous dispersion of polymers, to produce polymer particles with addition of vinyl that are soluble in water or swellable in substantially dry water, and intermixture of a composition with water to form an aqueous polymeric mixture. - Google Patents
Composition and polymerization processes of monomers with addition of vinyl, of intermixing of an aqueous dispersion of polymers, to produce polymer particles with addition of vinyl that are soluble in water or swellable in substantially dry water, and intermixture of a composition with water to form an aqueous polymeric mixture.Info
- Publication number
- BR9712178A BR9712178A BR9712178A BR9712178A BR9712178A BR 9712178 A BR9712178 A BR 9712178A BR 9712178 A BR9712178 A BR 9712178A BR 9712178 A BR9712178 A BR 9712178A BR 9712178 A BR9712178 A BR 9712178A
- Authority
- BR
- Brazil
- Prior art keywords
- water
- addition
- composition
- vinyl
- soluble
- Prior art date
Links
Abstract
"COMPOSIçãO E PROCESSOS DE POLIMERIZAçãO DE MONÈMETROS COM ADIçãO DE VINILA, DE INTERMISTURA DE UMA DISPERçãO AQUOSA DE POLìMEROS, PARA PRODUZIR PARTìCULAS POLIMéRICAS COM ADIçãO DE VINILA SOLúVEIS EM áGUA OU ENTUMESCìVEIS EM áGUA SUBSTANCIALMENTE SECAS, E, DE INTERMISTURA DE UMA COMPOSIçãO COM áGUA PARA FORMAR UMA MISTURA POLIMéRICA AQUOSA". Dispersão aquosa de poliméros é provida, a qual compreende: (a) um primeiro polímero catiónico solúvel em água ou entumescível em água; e (b) pelo menos um segundo polímero solúvel em água diferente do dito primeiro polímero; e (c) um sal cosmotrópico; e (d) um sal caotrópico, em que as quantidades dos ditos (b), e (d) são tais que uma composição homogênea é obtida na ausência do dito (b). Processo para formar uma dispersão aquosa, Processo para desidratar uma suspensão de sólidos dispersados e processo para produzir água clarificada usando dita dispersão."COMPOSITION AND PROCESSES FOR POLYMERIZATION OF MONIMETERS WITH ADDITION OF VINYL, INTERMIXING AN AQUEOUS POLYMER DISPERSION, TO PRODUCE POLYMERIC PARTICLES WITH ADDITION OF WATER SOLUBLE IN WATER OR SWIMMING IN WATER, WATER AND WATER IN WATER FORM A WATER POLYMERIC MIXTURE ". An aqueous dispersion of polymers is provided, which comprises: (a) a first water-soluble or water-swellable cationic polymer; and (b) at least one second water-soluble polymer other than said first polymer; and (c) a cosmotropic salt; and (d) a chaotropic salt, wherein the amounts of said (b), and (d) are such that a homogeneous composition is obtained in the absence of said (b). Process for forming an aqueous dispersion, Process for dehydrating a suspension of dispersed solids and Process for producing clarified water using said dispersion.
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72498896A | 1996-10-03 | 1996-10-03 | |
| US72552296A | 1996-10-03 | 1996-10-03 | |
| US72558696A | 1996-10-03 | 1996-10-03 | |
| US72532596A | 1996-10-03 | 1996-10-03 | |
| US08/725,865 US5792366A (en) | 1996-10-03 | 1996-10-03 | Aqueous dispersions |
| US08/725,521 US5919854A (en) | 1996-10-03 | 1996-10-03 | Process for preparing aqueous dispersions |
| US08/724,970 US5843320A (en) | 1996-10-03 | 1996-10-03 | Aqueous dispersions |
| US08/720,851 US6608124B1 (en) | 1996-10-03 | 1996-10-03 | Aqueous dispersions |
| US08/720,840 US6664326B1 (en) | 1996-10-03 | 1996-10-03 | Aqueous dispersions |
| US08/723,656 US5696228A (en) | 1996-10-03 | 1996-10-03 | Process for producing substantially dry polymer particles from aqueous dispersions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9712178A true BR9712178A (en) | 1999-08-31 |
Family
ID=27581312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9712178A BR9712178A (en) | 1996-10-03 | 1997-09-16 | Composition and polymerization processes of monomers with addition of vinyl, of intermixing of an aqueous dispersion of polymers, to produce polymer particles with addition of vinyl that are soluble in water or swellable in substantially dry water, and intermixture of a composition with water to form an aqueous polymeric mixture. |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BR9712178A (en) |
-
1997
- 1997-09-16 BR BR9712178A patent/BR9712178A/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Technical examination (opinion): publication of technical examination (opinion) | ||
| B09B | Decision: refusal |