FR2375978A1 - Procede de fabrication de micro-capsules polymeriques - Google Patents

Procede de fabrication de micro-capsules polymeriques

Info

Publication number: FR2375978A1
Authority: FR; France
Prior art keywords: molecular weight; polymerization reaction; negatively charged; urea; capsules
Prior art date: 1976-12-30
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.): Granted

Application number

FR7739745A

Other languages

English (en)

French (fr)

Other versions

FR2375978B1 (da

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NCR Voyix Corp

Original Assignee

NCR Corp

Priority date (The priority date 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 date listed.)

1976-12-30

Filing date

1977-12-30

Publication date

1978-07-28

1976-12-30 Priority claimed from US05/755,832 external-priority patent/US4087376A/en

1977-12-30 Application filed by NCR Corp filed Critical NCR Corp

1978-07-28 Publication of FR2375978A1 publication Critical patent/FR2375978A1/fr

1981-02-27 Application granted granted Critical

1981-02-27 Publication of FR2375978B1 publication Critical patent/FR2375978B1/fr

Status Granted legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
239000003094 microcapsule Substances 0.000 title abstract 2
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 abstract 2
229920000867 polyelectrolyte Polymers 0.000 abstract 2
229920000642 polymer Polymers 0.000 abstract 2
238000006116 polymerization reaction Methods 0.000 abstract 2
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract 1
239000008135 aqueous vehicle Substances 0.000 abstract 1
239000004202 carbamide Substances 0.000 abstract 1
230000005494 condensation Effects 0.000 abstract 1
238000009833 condensation Methods 0.000 abstract 1
230000000694 effects Effects 0.000 abstract 1
238000011065 in-situ storage Methods 0.000 abstract 1
239000007791 liquid phase Substances 0.000 abstract 1
229950005308 oxymethurea Drugs 0.000 abstract 1
238000006068 polycondensation reaction Methods 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1
239000003981 vehicle Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
- 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
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Dispersion Chemistry (AREA)
Manufacturing Of Micro-Capsules (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Phenolic Resins Or Amino Resins (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

FR7739745A 1976-12-30 1977-12-30 Procede de fabrication de micro-capsules polymeriques Granted FR2375978A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/755,832 US4087376A (en)	1974-07-10	1976-12-30	Capsule manufacture
US05/755,831 US4089802A (en)	1974-07-10	1976-12-30	Capsule manufacture

Publications (2)

Publication Number	Publication Date
FR2375978A1 true FR2375978A1 (fr)	1978-07-28
FR2375978B1 FR2375978B1 (da)	1981-02-27

Family

ID=27116136

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7739745A Granted FR2375978A1 (fr)	1976-12-30	1977-12-30	Procede de fabrication de micro-capsules polymeriques

Country Status (12)

Country	Link
AR (1)	AR222631A1 (da)
BR (1)	BR7708692A (da)
CH (1)	CH641687A5 (da)
DE (1)	DE2757634C2 (da)
DK (1)	DK584277A (da)
ES (1)	ES465483A2 (da)
FR (1)	FR2375978A1 (da)
GB (1)	GB1540986A (da)
IT (1)	IT1202387B (da)
NL (1)	NL178846C (da)
NO (1)	NO146485C (da)
SE (1)	SE7714555L (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2416727A1 (fr) *	1978-02-14	1979-09-07	Fuji Photo Film Co Ltd	Procede de preparation de microcapsules, notamment pour papiers copiants sensibles a la pression

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6023859B2 (ja) *	1978-11-14	1985-06-10	神崎製紙株式会社	マイクロカプセルの製造方法
DE2940786A1 (de) *	1979-10-08	1981-04-16	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von mikrokapseln

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL134885C (da) *	1961-03-13	1900-01-01
US4001140A (en) *	1974-07-10	1977-01-04	Ncr Corporation	Capsule manufacture

1977
- 1977-11-30 GB GB49840/77A patent/GB1540986A/en not_active Expired
- 1977-12-21 SE SE7714555A patent/SE7714555L/xx unknown
- 1977-12-23 DE DE2757634A patent/DE2757634C2/de not_active Expired
- 1977-12-23 NO NO774458A patent/NO146485C/no unknown
- 1977-12-23 IT IT31239/77A patent/IT1202387B/it active
- 1977-12-27 CH CH1602777A patent/CH641687A5/de not_active IP Right Cessation
- 1977-12-27 ES ES465483A patent/ES465483A2/es not_active Expired
- 1977-12-27 AR AR270528A patent/AR222631A1/es active
- 1977-12-28 BR BR7708692A patent/BR7708692A/pt unknown
- 1977-12-29 DK DK584277A patent/DK584277A/da not_active Application Discontinuation
- 1977-12-30 NL NLAANVRAGE7714611,A patent/NL178846C/xx not_active IP Right Cessation
- 1977-12-30 FR FR7739745A patent/FR2375978A1/fr active Granted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2416727A1 (fr) *	1978-02-14	1979-09-07	Fuji Photo Film Co Ltd	Procede de preparation de microcapsules, notamment pour papiers copiants sensibles a la pression

Also Published As

Publication number	Publication date
ES465483A2 (es)	1978-12-01
NL178846C (nl)	1986-06-02
AR222631A1 (es)	1981-06-15
CH641687A5 (en)	1984-03-15
SE7714555L (sv)	1978-07-01
NO146485C (no)	1982-10-13
DE2757634A1 (de)	1978-07-13
IT1202387B (it)	1989-02-09
NL7714611A (nl)	1978-07-04
NO146485B (no)	1982-07-05
GB1540986A (en)	1979-02-21
NL178846B (nl)	1986-01-02
FR2375978B1 (da)	1981-02-27
DE2757634C2 (de)	1986-05-28
NO774458L (no)	1978-07-03
DK584277A (da)	1978-07-01
BR7708692A (pt)	1978-08-15

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Legal Events

Date	Code	Title	Description
1979-08-17	TP	Transmission of property
1984-04-06	TP	Transmission of property