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GB2116572B - High density flexible polyurethane foam - Google Patents

High density flexible polyurethane foam

Info

Publication number
GB2116572B
GB2116572B GB8206589A GB8206589A GB2116572B GB 2116572 B GB2116572 B GB 2116572B GB 8206589 A GB8206589 A GB 8206589A GB 8206589 A GB8206589 A GB 8206589A GB 2116572 B GB2116572 B GB 2116572B
Authority
GB
United Kingdom
Prior art keywords
high density
polyurethane foam
flexible polyurethane
density flexible
foam
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
GB8206589A
Other versions
GB2116572A (en
Inventor
Chang Kun-Huang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8206589A priority Critical patent/GB2116572B/en
Publication of GB2116572A publication Critical patent/GB2116572A/en
Application granted granted Critical
Publication of GB2116572B publication Critical patent/GB2116572B/en
Priority to HK351/86A priority patent/HK35186A/en
Priority to MY8600542A priority patent/MY8600542A/en
Expired 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0042—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting for shaping parts, e.g. multilayered parts with at least one layer containing regenerated plastic
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B29K2075/02—Polyureas
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
GB8206589A 1982-03-05 1982-03-05 High density flexible polyurethane foam Expired GB2116572B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8206589A GB2116572B (en) 1982-03-05 1982-03-05 High density flexible polyurethane foam
HK351/86A HK35186A (en) 1982-03-05 1986-05-22 Method of producing high density flexible pu foam
MY8600542A MY8600542A (en) 1982-03-05 1986-12-30 Method of producing high density flexible pu foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8206589A GB2116572B (en) 1982-03-05 1982-03-05 High density flexible polyurethane foam

Publications (2)

Publication Number Publication Date
GB2116572A GB2116572A (en) 1983-09-28
GB2116572B true GB2116572B (en) 1985-10-30

Family

ID=10528822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8206589A Expired GB2116572B (en) 1982-03-05 1982-03-05 High density flexible polyurethane foam

Country Status (3)

Country Link
GB (1) GB2116572B (en)
HK (1) HK35186A (en)
MY (1) MY8600542A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4025102A1 (en) * 1990-08-08 1992-02-20 Welsh & Partner Aps Gmbh RECOVERY OF FOAM REMAINS AND / OR FOAM DISPOSAL
ES2087444T3 (en) * 1992-02-14 1996-07-16 Chang Kun Huang PROCEDURE TO MANUFACTURE CELLULAR MATERIAL.
DE4306447C2 (en) * 1992-03-30 1996-11-28 Hecker & Krosch Gmbh & Co Kg Recycling process for rigid polyurethane foam
US5432204A (en) * 1993-01-22 1995-07-11 Woodbridge Foam Corporation Foamed polymer and process for production thereof
ITAN20010032A1 (en) * 2001-07-16 2003-01-16 Gefin Srl PROCEDURE FOR THE RECYCLING OF ELASTOMERICOTERMOINDURANT POLYURETHANE WASTE
TW200930751A (en) * 2008-01-02 2009-07-16 Kun-Huang Zhang Method for manufacturing reproduction plastic foam having nano-sized ventilation mesh

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB922306A (en) *
DE962649C (en) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Process for the production of foams using polyurethane foam waste
GB869624A (en) * 1957-01-12 1961-05-31 Dunlop Rubber Co Improvements relating to resilient materials
NL252964A (en) * 1959-06-23 1900-01-01
GB920272A (en) * 1959-10-15 1963-03-06 Aeropreen Ltd Improvements in or relating to the bonding of particles of foamed material
GB1134751A (en) * 1965-01-22 1968-11-27 Gen Foam Products Improvements relating to foamed materials
GB1138836A (en) * 1965-02-12 1969-01-01 Gen Foam Products Improvements relating to foamed materials
GB1189996A (en) * 1966-09-23 1970-04-29 Gen Foam Products Reconstituted Foam Material
DE1919185A1 (en) * 1968-05-30 1970-10-22 Semperit Gummiwerke Gmbh Deuts Laminates and processes for their manufacture
US3726624A (en) * 1970-02-27 1973-04-10 I Schwarz Foam sheet material means
DK132501C (en) * 1972-08-07 1976-05-17 Balling Engelsen K PROCEDURE FOR PREPARING POLYURETHANE FOAM CONTAINING POLYURETHANE SCRAP
GB1502777A (en) * 1974-09-12 1978-03-01 Ici Ltd Polyurethane foams
GB1595223A (en) * 1977-02-02 1981-08-12 Gen Foam Products Flexible polyurethane sheet material
GB2053944A (en) * 1979-07-13 1981-02-11 Hairlok Ltd Utilisation of expanded polymer scrap

Also Published As

Publication number Publication date
HK35186A (en) 1986-05-30
MY8600542A (en) 1986-12-31
GB2116572A (en) 1983-09-28

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20020304