GB2237574B - Method of encapsulating polymer additives - Google Patents

Method of encapsulating polymer additives

Info

Publication number
GB2237574B
GB2237574B GB9023910A GB9023910A GB2237574B GB 2237574 B GB2237574 B GB 2237574B GB 9023910 A GB9023910 A GB 9023910A GB 9023910 A GB9023910 A GB 9023910A GB 2237574 B GB2237574 B GB 2237574B
Authority
GB
United Kingdom
Prior art keywords
polymer additives
encapsulating polymer
encapsulating
additives
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 - Fee Related
Application number
GB9023910A
Other versions
GB9023910D0 (en
GB2237574A (en
Inventor
William Walter Wright
John Michael Barton
Roy Sherwin Lehrle
Fiona Eleanor Keen
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9023910D0 publication Critical patent/GB9023910D0/en
Publication of GB2237574A publication Critical patent/GB2237574A/en
Application granted granted Critical
Publication of GB2237574B publication Critical patent/GB2237574B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/04—Alginic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
    • C08J2305/04—Alginic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
GB9023910A 1989-11-03 1990-11-02 Method of encapsulating polymer additives Expired - Fee Related GB2237574B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898924795A GB8924795D0 (en) 1989-11-03 1989-11-03 Encapsulated additives for polymers

Publications (3)

Publication Number Publication Date
GB9023910D0 GB9023910D0 (en) 1990-12-12
GB2237574A GB2237574A (en) 1991-05-08
GB2237574B true GB2237574B (en) 1993-09-01

Family

ID=10665648

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898924795A Pending GB8924795D0 (en) 1989-11-03 1989-11-03 Encapsulated additives for polymers
GB9023910A Expired - Fee Related GB2237574B (en) 1989-11-03 1990-11-02 Method of encapsulating polymer additives

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898924795A Pending GB8924795D0 (en) 1989-11-03 1989-11-03 Encapsulated additives for polymers

Country Status (1)

Country Link
GB (2) GB8924795D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5334640A (en) * 1992-04-08 1994-08-02 Clover Consolidated, Ltd. Ionically covalently crosslinked and crosslinkable biocompatible encapsulation compositions and methods
AU705108B2 (en) * 1995-03-03 1999-05-13 Metabolex, Inc. Novel encapsulation process by a gelling polymer
US5916790A (en) * 1995-03-03 1999-06-29 Metabolex, Inc. Encapsulation compositions, and methods
DE69817009T2 (en) * 1997-11-10 2004-06-09 Quest International B.V. ENCLOSED ACTIVE MATERIAL IN AN ALGINATE MATRIX
EP1983025A1 (en) * 2007-04-17 2008-10-22 Stichting Dutch Polymer Institute Polymeric material comprising multiple cavities
US20090155371A1 (en) 2007-12-17 2009-06-18 Sojka Milan F Compositions Comprising Solid Particles Entrapped In Collapsed Polymeric Microspheres, And Methods Of Making The Same
US8632816B2 (en) 2007-12-17 2014-01-21 Elc Management, Llc Compositions comprising solid particles entrapped in collapsed polymeric microspheres, and methods of making the same
KR101652143B1 (en) * 2009-03-16 2016-08-29 다우 글로벌 테크놀로지스 엘엘씨 A dispersion, and a process for producing the same
IT202000018589A1 (en) 2020-07-30 2022-01-30 Getters Spa MULTILAYER FLEXIBLE PACKAGING WITH ANTIOXIDANT PROPERTIES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870682A (en) * 1971-12-27 1973-09-25
JPS6030682A (en) * 1983-07-30 1985-02-16 Amano Pharmaceut Co Ltd Production of beta-amylase
EP0160266A2 (en) * 1984-04-28 1985-11-06 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Liposome composition
EP0252463A2 (en) * 1986-07-07 1988-01-13 Dow Corning Corporation Lattice-entrapped composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870682A (en) * 1971-12-27 1973-09-25
JPS6030682A (en) * 1983-07-30 1985-02-16 Amano Pharmaceut Co Ltd Production of beta-amylase
EP0160266A2 (en) * 1984-04-28 1985-11-06 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Liposome composition
EP0252463A2 (en) * 1986-07-07 1988-01-13 Dow Corning Corporation Lattice-entrapped composition

Also Published As

Publication number Publication date
GB8924795D0 (en) 1989-12-20
GB9023910D0 (en) 1990-12-12
GB2237574A (en) 1991-05-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061102