ES306321A2 - Treatment of latices - Google Patents
Treatment of laticesInfo
- Publication number
- ES306321A2 ES306321A2 ES0306321A ES306321A ES306321A2 ES 306321 A2 ES306321 A2 ES 306321A2 ES 0306321 A ES0306321 A ES 0306321A ES 306321 A ES306321 A ES 306321A ES 306321 A2 ES306321 A2 ES 306321A2
- Authority
- ES
- Spain
- Prior art keywords
- less
- polymer particles
- latex
- constriction
- dispersed polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920000126 latex Polymers 0.000 title abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- 150000001993 dienes Chemical class 0.000 abstract 2
- 239000004816 latex Substances 0.000 abstract 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- -1 aryl olefin Chemical class 0.000 abstract 1
- 229920001519 homopolymer Polymers 0.000 abstract 1
- 229920006173 natural rubber latex Polymers 0.000 abstract 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract 1
- 229920003051 synthetic elastomer Polymers 0.000 abstract 1
- 239000005061 synthetic rubber Substances 0.000 abstract 1
- 229920006174 synthetic rubber latex Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/065—Increasing the size of dispersed rubber particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/075—Concentrating
- C08C1/12—Concentrating by evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A natural or synthetic rubber latex is treated to reduce its viscosity and/or to increase the size of the dispersed polymer particles by flowing the latex through a constriction at a pressure not less than 250 p.s.i.g. and not greater than 1000 p.s.i.g., the latex having a concentration of dispersed polymer particles of not less than 30% by weight and a pH in the range of 7 to 9. The constriction may be in the form of an orifice of a homogenizing valve, while the polymer particles may have an initial average size greater than, or less than respectively, 1000 Angstrom units. Specified synthetic rubbers are copolymers of conjugated diolefins with an aryl olefin or acrylonitrile, homopolymers of a conjugated diolefin, or polychloroprene-butadiene-styrene copolymers containing at least 20-30% bound styrene are preferred.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4645263A GB1039727A (en) | 1963-11-25 | 1963-11-25 | Treatment of latices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES306321A2 true ES306321A2 (en) | 1965-04-01 |
Family
ID=10441332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0306321A Expired ES306321A2 (en) | 1963-11-25 | 1964-11-23 | Treatment of latices |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT260518B (en) |
| ES (1) | ES306321A2 (en) |
| GB (1) | GB1039727A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7046945B2 (en) * | 2016-12-09 | 2022-04-04 | サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ | Method for Producing Elastomer Aggregate Composition |
| KR20240133768A (en) * | 2017-10-13 | 2024-09-04 | 사빅 글로벌 테크놀러지스 비.브이. | Process for production of elastomer agglomerate composition |
| US12152099B2 (en) | 2018-07-24 | 2024-11-26 | Ineos Styrolution Group Gmbh | Polyacrylate graft rubber copolymer and impact modified thermoplastic molding composition |
-
1963
- 1963-11-25 GB GB4645263A patent/GB1039727A/en not_active Expired
-
1964
- 1964-11-23 ES ES0306321A patent/ES306321A2/en not_active Expired
- 1964-11-24 AT AT994064A patent/AT260518B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| AT260518B (en) | 1968-03-11 |
| GB1039727A (en) | 1966-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD2A | Announcement of lapse in spain |
Effective date: 20170628 |