ZA872068B - A process for manufacturing microcapsules - Google Patents

A process for manufacturing microcapsules

Info

Publication number: ZA872068B
Authority: ZA; South Africa
Prior art keywords: alkyl methacrylate; manufacturing; manufacturing microcapsules; urea; acrylic acid
Prior art date: 1986-03-31

Application number

ZA872068A

Other languages

English (en)

Inventor

Richard P Bowman

P Bowman Richard

Original Assignee

Appleton Paper Inc

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.)

1986-03-31

Filing date

1987-03-20

Publication date

1987-11-25

1987-03-20 Application filed by Appleton Paper Inc filed Critical Appleton Paper Inc

1987-11-25 Publication of ZA872068B publication Critical patent/ZA872068B/xx

Links

238000004519 manufacturing process Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
239000003094 microcapsule Substances 0.000 title abstract 2
239000000463 material Substances 0.000 abstract 2
229920000877 Melamine resin Polymers 0.000 abstract 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
229920001807 Urea-formaldehyde Polymers 0.000 abstract 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
-1 alkyl methacrylate Chemical compound 0.000 abstract 1
239000002775 capsule Substances 0.000 abstract 1
239000004202 carbamide Substances 0.000 abstract 1
229920001577 copolymer Polymers 0.000 abstract 1
IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 abstract 1
238000011065 in-situ storage Methods 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1
238000006116 polymerization reaction Methods 0.000 abstract 1
239000002243 precursor 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
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/914—Transfer or decalcomania
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Manufacturing Of Micro-Capsules (AREA)
Color Printing (AREA)
Medicinal Preparation (AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

ZA872068A 1986-03-31 1987-03-20 A process for manufacturing microcapsules ZA872068B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/846,420 US4675249A (en)	1986-03-31	1986-03-31	Capsule manufacture

Publications (1)

Publication Number	Publication Date
ZA872068B true ZA872068B (en)	1987-11-25

Family

ID=25297878

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA872068A ZA872068B (en)	1986-03-31	1987-03-20	A process for manufacturing microcapsules

Country Status (10)

Country	Link
US (1)	US4675249A (de)
EP (1)	EP0240258B1 (de)
JP (1)	JPS62241550A (de)
AT (1)	ATE52710T1 (de)
AU (1)	AU583453B2 (de)
CA (1)	CA1272076A (de)
DE (1)	DE3762705D1 (de)
ES (1)	ES2015055B3 (de)
FI (1)	FI86036C (de)
ZA (1)	ZA872068B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4940739A (en) *	1988-01-07	1990-07-10	The Standard Register Company	Process for making a high solids CB printing ink
US4940738A (en) *	1988-01-07	1990-07-10	The Standard Register Company	High solids CB printing ink containing a protective colloid blend
FR2647363B1 (fr) *	1989-05-25	1994-01-14	Roussel Uclaf	Procede de micro encapsulation de produit phytosanitaire par copolymerisation interfaciale et produits obtenus
US4977060A (en) *	1989-12-07	1990-12-11	The Mead Corporation	Method for producing microcapsules and photosensitive microcapsules produced thereby
CA2080424A1 (en) *	1991-10-25	1993-04-26	Jerry Moy	Microcapsules containing inorganic colloids and method for making the same
JPH05201124A (ja) *	1992-01-29	1993-08-10	Fuji Photo Film Co Ltd	感圧記録シート
US5298536A (en) *	1992-02-21	1994-03-29	Hercules Incorporated	Flame retardant organosilicon polymer composition, process for making same, and article produced therefrom
US5281286A (en) *	1992-04-09	1994-01-25	The United States Of America As Represented By The Secretary Of The Army	Microcoacervation of propellant ingredients
US10485739B2 (en)	2014-10-16	2019-11-26	Encapsys Llc	High strength microcapsules
US9714396B2 (en)	2014-10-16	2017-07-25	Encapsys Llc	Controlled release dual walled microcapsules
US9714397B2 (en)	2014-10-16	2017-07-25	Encapsys Llc	Controlled release microcapsules

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5425277A (en) *	1977-07-27	1979-02-26	Fuji Photo Film Co Ltd	Method of producing microcapsule
JPS54107881A (en) *	1978-02-14	1979-08-24	Fuji Photo Film Co Ltd	Preparation of minute capsule
JPS56102934A (en) *	1980-01-21	1981-08-17	Kanzaki Paper Mfg Co Ltd	Manufacture of micro capsule
US4552811A (en) *	1983-07-26	1985-11-12	Appleton Papers Inc.	Capsule manufacture
ZA845712B (en) *	1983-07-26	1986-03-26	Appleton Paper Inc	A process for manufacturing microcapsules
JPH0611396B2 (ja) *	1985-07-17	1994-02-16	日本製紙株式会社	微小カプセルの製造方法

1986
- 1986-03-31 US US06/846,420 patent/US4675249A/en not_active Expired - Lifetime
1987
- 1987-02-24 CA CA000530407A patent/CA1272076A/en not_active Expired - Lifetime
- 1987-03-18 AU AU70144/87A patent/AU583453B2/en not_active Ceased
- 1987-03-20 ZA ZA872068A patent/ZA872068B/xx unknown
- 1987-03-24 JP JP62070149A patent/JPS62241550A/ja active Pending
- 1987-03-27 AT AT87302652T patent/ATE52710T1/de not_active IP Right Cessation
- 1987-03-27 EP EP87302652A patent/EP0240258B1/de not_active Expired - Lifetime
- 1987-03-27 DE DE8787302652T patent/DE3762705D1/de not_active Expired - Lifetime
- 1987-03-27 FI FI871369A patent/FI86036C/fi not_active IP Right Cessation
- 1987-03-27 ES ES87302652T patent/ES2015055B3/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0240258A2 (de)	1987-10-07
US4675249A (en)	1987-06-23
EP0240258B1 (de)	1990-05-16
AU7014487A (en)	1987-10-08
FI871369A0 (fi)	1987-03-27
DE3762705D1 (de)	1990-06-21
FI86036B (fi)	1992-03-31
JPS62241550A (ja)	1987-10-22
EP0240258A3 (en)	1987-11-25
CA1272076A (en)	1990-07-31
AU583453B2 (en)	1989-04-27
ATE52710T1 (de)	1990-06-15
ES2015055B3 (es)	1990-08-01
FI871369L (fi)	1987-10-01
FI86036C (fi)	1992-07-10

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