GB1499174A - Cellulose microcapsules and preparation thereof - Google Patents
Cellulose microcapsules and preparation thereofInfo
- Publication number
- GB1499174A GB1499174A GB12258/75A GB1225875A GB1499174A GB 1499174 A GB1499174 A GB 1499174A GB 12258/75 A GB12258/75 A GB 12258/75A GB 1225875 A GB1225875 A GB 1225875A GB 1499174 A GB1499174 A GB 1499174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- microcapsules
- ester derivative
- barrier layer
- solution
- 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
- 229920002678 cellulose Polymers 0.000 title abstract 13
- 239000001913 cellulose Substances 0.000 title abstract 8
- 239000003094 microcapsule Substances 0.000 title abstract 7
- 239000003463 adsorbent Substances 0.000 abstract 4
- 230000004888 barrier function Effects 0.000 abstract 4
- 239000000843 powder Substances 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 abstract 1
- 229920000297 Rayon Polymers 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000012991 xanthate Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49032686A JPS5246555B2 (https=) | 1974-03-25 | 1974-03-25 | |
| JP2038175A JPS548549B2 (https=) | 1975-02-20 | 1975-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1499174A true GB1499174A (en) | 1978-01-25 |
Family
ID=26357321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12258/75A Expired GB1499174A (en) | 1974-03-25 | 1975-03-24 | Cellulose microcapsules and preparation thereof |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2512920C3 (https=) |
| FR (1) | FR2265449B1 (https=) |
| GB (1) | GB1499174A (https=) |
| NL (1) | NL180388C (https=) |
| SE (1) | SE422535B (https=) |
-
1975
- 1975-03-24 DE DE2512920A patent/DE2512920C3/de not_active Expired
- 1975-03-24 GB GB12258/75A patent/GB1499174A/en not_active Expired
- 1975-03-25 FR FR7509269A patent/FR2265449B1/fr not_active Expired
- 1975-03-25 NL NLAANVRAGE7503577,A patent/NL180388C/xx not_active IP Right Cessation
- 1975-03-25 SE SE7503445A patent/SE422535B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265449B1 (https=) | 1981-05-22 |
| NL7503577A (nl) | 1975-09-29 |
| FR2265449A1 (https=) | 1975-10-24 |
| NL180388B (nl) | 1986-09-16 |
| NL180388C (nl) | 1987-02-16 |
| SE422535B (sv) | 1982-03-15 |
| SE7503445L (https=) | 1975-09-26 |
| DE2512920A1 (de) | 1976-09-09 |
| DE2512920B2 (de) | 1979-04-05 |
| DE2512920C3 (de) | 1980-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |