MY139517A - Method for centrifugal latex concentration - Google Patents
Method for centrifugal latex concentrationInfo
- Publication number
- MY139517A MY139517A MYPI20062703A MY139517A MY 139517 A MY139517 A MY 139517A MY PI20062703 A MYPI20062703 A MY PI20062703A MY 139517 A MY139517 A MY 139517A
- Authority
- MY
- Malaysia
- Prior art keywords
- latex
- weight
- potassium hydroxide
- concentrated
- field
- Prior art date
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
METHOD FOR CENTRIFUGAL LATEX CONCENTRATION [DOCUMENTS NAME] ABST.RACT [ABSTRACT] (PROBLEMS] IT IS DESIR'ABLE TO OBTAIN DEPROTEINIZED CONC0ILRATED LATEX WHICH DOES NOT GIVE OUT AN AMMONIA FUMES THROUGH CENTRIFUGAL SYSTEM. [MEANS FOR SOLVING 1 5 TO KEEP A PH OF FIELD LATEX MORE THAN 12, A POTASSIUM HYDROXIDE IS AWDL TO FIELD LATEX WITHIN 3 HOURS AFTER TAPPING. AFTER THAT.THE FIELD LATEX IS CONCENTRATED TO MAKE RUBBER PARTICLES CONTENT OF THE FIELD LATEX MORE THAN 60 BY WEIGHT AND IS SIMULTANEOUSLY DEPROTEINIZED THROUGH A CENTRIFUGAL SYSTEM BY THE ADDITION OF A DI-AMMONIUM 10 HYDROGEN PLIOSPHATE,A FATTY ACID SALT ANIONIC SURFACTANT, AN ETHYLENEDIAMINE- TETRA-ACETIC ACID DISODIUM SALT AND A POLYETHYLENE GLYCOL. AFTER THE CONCENTRATIOFL,THE POTASSIUM HYDROXIDE CONTENT IS KEPT. IN FROM 0.2 TO 0.3BY WEIGHT OF THE CONCENTRATED LATEX. THE SINGLE CENTRIFUGED LATEX IS DILUTED BY THE ADDITION OF KOH DISSOLVED 15 IN WATER SO THAT THE CONCEN [RATION OF THE SOLID CONTENT OF THE FIELD LATEX. IS 26BY WEIGHT AND ADDED WITH THE DI-AMMONIUM HYDROGEN PHOSPHATE, THE FATTY ACID SALT ANIONIC SURFACTANT,THE ETHYLENEDIAMINE-TETRA-ACETIC ACID DISODIUM SALT AND THE POLYETHYLENE GLYCOL. AFTER THE CONCENTRATION,THE POTASSIUM HYDROXIDE CONTENT IS KEPT IN FROM 0.2 TO 0.3BY WEIGHT OF THE CONCENTRATED LATEX. 20 AS THAT,THE PRESENT INVENTION INCLUDE DOUBLE.-ENTRIFUGING OF KOH AND REDUCTION OF PROTEIN STEPWISE )00 G 210
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005320526A JP4106696B2 (en) | 2005-11-04 | 2005-11-04 | Centrifugal latex concentration method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY139517A true MY139517A (en) | 2009-10-30 |
Family
ID=38149476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI20062703 MY139517A (en) | 2005-11-04 | 2006-06-09 | Method for centrifugal latex concentration |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4106696B2 (en) |
| MY (1) | MY139517A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012241121A (en) * | 2011-05-20 | 2012-12-10 | Bridgestone Corp | Natural rubber, method for manufacturing natural rubber, and rubber composition and tire each using the same |
| US10982074B2 (en) | 2016-05-11 | 2021-04-20 | Sumitomo Rubber Industries, Ltd. | Natural rubber, rubber composition and pneumatic tire |
| WO2022006393A1 (en) * | 2020-07-02 | 2022-01-06 | Yulex Llc | Methods for making purified natural rubber and compositions |
| CN112625311B (en) * | 2020-12-17 | 2022-04-01 | 海南大学 | Constant-viscosity natural rubber and preparation method thereof, natural rubber vulcanized rubber and application thereof |
-
2005
- 2005-11-04 JP JP2005320526A patent/JP4106696B2/en active Active
-
2006
- 2006-06-09 MY MYPI20062703 patent/MY139517A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP4106696B2 (en) | 2008-06-25 |
| JP2007126562A (en) | 2007-05-24 |
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