CA1079585A - Microcapsule with a liquid or solid core and a polycarbodiimide shell - Google Patents

Microcapsule with a liquid or solid core and a polycarbodiimide shell

Info

Publication number
CA1079585A
CA1079585A CA251,998A CA251998A CA1079585A CA 1079585 A CA1079585 A CA 1079585A CA 251998 A CA251998 A CA 251998A CA 1079585 A CA1079585 A CA 1079585A
Authority
CA
Canada
Prior art keywords
polycarbodiimide
microcapsule
core material
groups
shell
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
Application number
CA251,998A
Other languages
English (en)
French (fr)
Inventor
Walter Schafer
Gunther Baatz
Manfred Dahm
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.)
Bayer AG
Original Assignee
Bayer AG
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.)
Filing date
Publication date
Priority claimed from DE19752523586 external-priority patent/DE2523586C3/de
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1079585A publication Critical patent/CA1079585A/en
Expired legal-status Critical Current

Links

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
    • B01J13/16—Interfacial polymerisation
    • 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
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • 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
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Polyurethanes Or Polyureas (AREA)
CA251,998A 1975-05-10 1976-05-07 Microcapsule with a liquid or solid core and a polycarbodiimide shell Expired CA1079585A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2520892 1975-05-10
DE19752523586 DE2523586C3 (de) 1975-05-28 1975-05-28 Verwendung von Polycarbodiimiden bei der Herstellung von Mikrokapseln

Publications (1)

Publication Number Publication Date
CA1079585A true CA1079585A (en) 1980-06-17

Family

ID=25768878

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,998A Expired CA1079585A (en) 1975-05-10 1976-05-07 Microcapsule with a liquid or solid core and a polycarbodiimide shell

Country Status (12)

Country Link
JP (1) JPS51137676A (nl)
BR (1) BR7602885A (nl)
CA (1) CA1079585A (nl)
CH (1) CH603235A5 (nl)
DD (1) DD125473A5 (nl)
DK (1) DK147697B (nl)
FR (1) FR2310801A1 (nl)
GB (1) GB1529517A (nl)
IL (1) IL49539A (nl)
IT (1) IT1061255B (nl)
MX (1) MX146606A (nl)
NL (1) NL7604927A (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617747C2 (de) * 1976-04-23 1982-07-01 Bayer Ag, 5090 Leverkusen Reaktionsdurchschreibepapiere
DE2619524A1 (de) * 1976-05-03 1977-11-24 Bayer Ag Verfahren zur herstellung von mikrokapseln
US7833578B2 (en) 2003-07-07 2010-11-16 Taiwan Textile Research Institute Composition and method for fabricating microcapsules encapsulating phase-change material
WO2009112467A1 (de) * 2008-03-11 2009-09-17 Basf Se Mikokapseln mit wänden aus acylharnstoff
JP7080772B2 (ja) * 2018-08-29 2022-06-06 トッパン・フォームズ株式会社 マイクロカプセル剤の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311712B2 (de) * 1973-03-09 1978-08-10 Bayer Ag, 5090 Leverkusen Verfahren zur Hersteilung von Mikrokapseln

Also Published As

Publication number Publication date
JPS6151941B2 (nl) 1986-11-11
FR2310801A1 (fr) 1976-12-10
DK204576A (da) 1976-11-11
CH603235A5 (nl) 1978-08-15
MX146606A (es) 1982-07-15
FR2310801B1 (nl) 1982-05-07
IT1061255B (it) 1983-02-28
IL49539A (en) 1979-11-30
BR7602885A (pt) 1976-11-23
IL49539A0 (en) 1976-07-30
JPS51137676A (en) 1976-11-27
DD125473A5 (nl) 1977-04-20
DK147697B (da) 1984-11-19
NL7604927A (nl) 1976-11-12
GB1529517A (en) 1978-10-25

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Legal Events

Date Code Title Description
MKEX Expiry