BRPI0601384A - method of obtaining expanded clay using aminoalkylsilanes and expanded clay using aminoalkylsilanes - Google Patents
method of obtaining expanded clay using aminoalkylsilanes and expanded clay using aminoalkylsilanesInfo
- Publication number
- BRPI0601384A BRPI0601384A BRPI0601384A BRPI0601384A BR PI0601384 A BRPI0601384 A BR PI0601384A BR PI0601384 A BRPI0601384 A BR PI0601384A BR PI0601384 A BRPI0601384 A BR PI0601384A
- Authority
- BR
- Brazil
- Prior art keywords
- clay
- aminoalkylsilanes
- expanded clay
- spacing
- mineral
- Prior art date
Links
- 239000004927 clay Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- -1 aminoalkyl silane Chemical compound 0.000 abstract 1
- 239000003125 aqueous solvent Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 125000000524 functional group Chemical group 0.000 abstract 1
- 230000002687 intercalation Effects 0.000 abstract 1
- 238000009830 intercalation Methods 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229910052615 phyllosilicate Inorganic materials 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
Landscapes
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
MéTODO DE OBTENçãO DE ARGILA EXPANDIDA COM O USO DE AMINOALQUILSILANOS E ARGILA EXPANDIDA COM O USO DE ANINOALQUILSILANOS, compreende um método no qual uma argila, da família dos filossilicatos, é submetida a um tratamento químico, em solvente aquoso ou orgânico, na qual ocorre um aumento do seu espaçamento interlamelar (ou espaçamento basal) em conseqüência da intercalação de um aminoalquisilano entre as lamelas do mineral; o aminoalquilsilano atua como agente de intumescimento e ao mesmo tempo como modificador de superfície do mineral; a argila modificada apresenta um elevado espaçamento basal e alta estabilidade térmica, além de possuir grupos funcionais em sua superfície que permitem uma boa adesão com matrizes poliméricas.METHOD FOR EXPANDING CLAY WITH THE USE OF AMINOalkylSILANS AND EXPANDED CLAY WITH THE USE OF ANINOalkylsilans comprises a method in which a clay of the phyllosilicate family is subjected to a chemical treatment in aqueous or organic solvent in which a increased interlamellar spacing (or basal spacing) as a result of the intercalation of an aminoalkyl silane between the mineral lamellae; aminoalkylsilane acts as a swelling agent and at the same time as a mineral surface modifier; The modified clay presents a high basal spacing and high thermal stability, besides having functional groups on its surface that allow a good adhesion with polymeric matrices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0601384A BRPI0601384B1 (en) | 2006-03-16 | 2006-03-16 | method of obtaining expanded clay using aminoalkylsilanes and expanded clay using aminoalkylsilanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0601384A BRPI0601384B1 (en) | 2006-03-16 | 2006-03-16 | method of obtaining expanded clay using aminoalkylsilanes and expanded clay using aminoalkylsilanes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0601384A true BRPI0601384A (en) | 2007-11-27 |
| BRPI0601384B1 BRPI0601384B1 (en) | 2016-05-17 |
Family
ID=38720839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0601384A BRPI0601384B1 (en) | 2006-03-16 | 2006-03-16 | method of obtaining expanded clay using aminoalkylsilanes and expanded clay using aminoalkylsilanes |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BRPI0601384B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2753660A1 (en) * | 2011-09-07 | 2014-07-16 | Nanto Cleantech s.r.l. | Nanoclays containing flame retardant chemicals for fire retardant applications |
-
2006
- 2006-03-16 BR BRPI0601384A patent/BRPI0601384B1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2753660A1 (en) * | 2011-09-07 | 2014-07-16 | Nanto Cleantech s.r.l. | Nanoclays containing flame retardant chemicals for fire retardant applications |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0601384B1 (en) | 2016-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Technical examination (opinion): publication of technical examination (opinion) | ||
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law | ||
| B09A | Decision: intention to grant | ||
| B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/05/2016, OBSERVADAS AS CONDICOES LEGAIS. |