ES384812A1 - Un procedimiento para modificar espuma de poliuretano que tiene membranas celulares. - Google Patents

Un procedimiento para modificar espuma de poliuretano que tiene membranas celulares.

Info

Publication number
ES384812A1
ES384812A1 ES384812A ES384812A ES384812A1 ES 384812 A1 ES384812 A1 ES 384812A1 ES 384812 A ES384812 A ES 384812A ES 384812 A ES384812 A ES 384812A ES 384812 A1 ES384812 A1 ES 384812A1
Authority
ES
Spain
Prior art keywords
polyurethane foam
hydrodynamic
reticulation
cellular membranes
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
ES384812A
Other languages
English (en)
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.)
Reeves Brothers Inc
Original Assignee
Reeves Brothers 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.)
Filing date
Publication date
Application filed by Reeves Brothers Inc filed Critical Reeves Brothers Inc
Publication of ES384812A1 publication Critical patent/ES384812A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • 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
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/70—Processes for forming screens or perforating articles
    • 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
    • Y10S428/906—Roll or coil
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Cell Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Polyurethanes Or Polyureas (AREA)
ES384812A 1969-11-18 1970-10-22 Un procedimiento para modificar espuma de poliuretano que tiene membranas celulares. Expired ES384812A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US877740A US3862282A (en) 1969-11-18 1969-11-18 Hydrodynamic reticulation of polyurethane foam

Publications (1)

Publication Number Publication Date
ES384812A1 true ES384812A1 (es) 1973-09-01

Family

ID=25370615

Family Applications (1)

Application Number Title Priority Date Filing Date
ES384812A Expired ES384812A1 (es) 1969-11-18 1970-10-22 Un procedimiento para modificar espuma de poliuretano que tiene membranas celulares.

Country Status (11)

Country Link
US (1) US3862282A (es)
BE (1) BE758991A (es)
DE (1) DE2028225C3 (es)
DK (1) DK135050B (es)
ES (1) ES384812A1 (es)
FR (1) FR2069540A5 (es)
GB (1) GB1268733A (es)
IE (1) IE34709B1 (es)
NL (1) NL157837B (es)
NO (1) NO135350C (es)
ZA (1) ZA706985B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167612A (en) * 1978-06-19 1979-09-11 Wm. T. Burnett & Co., Inc. Flexible polyurethane foams having low resistance to air flow and method for preparation
US4695422A (en) * 1984-02-16 1987-09-22 The Procter & Gamble Company Production of formed material by solid-state formation with a high-pressure liquid stream
US4839216A (en) * 1984-02-16 1989-06-13 The Procter & Gamble Company Formed material produced by solid-state formation with a high-pressure liquid stream
US4772444A (en) * 1987-08-24 1988-09-20 The Procter & Gamble Company Method and apparatus for making microbubbled and/or microapertured polymeric webs using hydraulic pressure
US4778644A (en) * 1987-08-24 1988-10-18 The Procter & Gamble Company Method and apparatus for making substantially fluid-impervious microbubbled polymeric web using high pressure liquid stream
US4846821A (en) * 1987-08-24 1989-07-11 The Procter & Gamble Company Substantially fluid-impervious microbubbled polymeric web exhibiting low levels of noise when subjected to movement
US4932090A (en) * 1989-04-12 1990-06-12 Johansson Paul J Movable support bar
US6045741A (en) * 1996-07-10 2000-04-04 Bridgestone Corporation Preparation of flexible polyurethane foam
US7083849B1 (en) * 1999-06-04 2006-08-01 3M Innovative Properties Company Breathable polymer foams
US20070051636A1 (en) * 2005-09-07 2007-03-08 Inco Limited Process for producing metal foams having uniform cell structure
WO2007146945A2 (en) * 2006-06-12 2007-12-21 Aspen Aerogels, Inc. Aerogel-foam composites
JP6782227B2 (ja) * 2014-09-05 2020-11-11 ザ・ジョンズ・ホプキンス・ユニバーシティー ＣａＭＫＩＩ阻害剤及びその使用
US11014030B2 (en) 2016-02-17 2021-05-25 Hollingsworth & Vose Company Filter media including flame retardant fibers
US10252200B2 (en) 2016-02-17 2019-04-09 Hollingsworth & Vose Company Filter media including a filtration layer comprising synthetic fibers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961710A (en) * 1957-01-04 1960-11-29 Norman H Stark Method for making a foamed polyurethane filter
US3061885A (en) * 1959-09-08 1962-11-06 Goodyear Tire & Rubber Treatment of polyurethane foams
US3112524A (en) * 1961-04-25 1963-12-03 Dow Chemical Co Apparatus for curing foamed materials
US3266927A (en) * 1962-07-03 1966-08-16 Scott Paper Co Process for the aftertreatment of polyurethane foam
NL265964A (es) * 1962-09-28
US3300558A (en) * 1963-07-19 1967-01-24 Walker Mfg Co Method of removing the cell walls of a resilient cellular filter material
US3171820A (en) * 1964-02-17 1965-03-02 Scott Paper Co Reticulated polyurethane foams and process for their production
US3475525A (en) * 1966-09-22 1969-10-28 Timothy V Peters Process of reticulating polyurethane foams
US3496266A (en) * 1967-05-29 1970-02-17 Fmc Corp Process for reticulating foamed nylon structure

Also Published As

Publication number Publication date
DK135050C (es) 1977-08-01
FR2069540A5 (es) 1971-09-03
DE2028225C3 (de) 1973-11-22
DE2028225B2 (de) 1973-04-19
BE758991A (fr) 1971-05-17
DK135050B (da) 1977-02-28
NL7016054A (es) 1971-05-21
DE2028225A1 (de) 1971-06-09
NL157837B (nl) 1978-09-15
NO135350C (no) 1977-03-30
GB1268733A (en) 1972-03-29
NO135350B (es) 1976-12-20
ZA706985B (en) 1971-10-27
IE34709L (en) 1971-05-18
IE34709B1 (en) 1975-07-23
US3862282A (en) 1975-01-21

Similar Documents

Publication Publication Date Title
ES384812A1 (es) Un procedimiento para modificar espuma de poliuretano que tiene membranas celulares.
FR2092798A6 (es)
IT1065888B (it) Laminati goffrati perforati costituiti da pellicola su schiuma
ZM14471A1 (en) Improvements in,or relating to,the production of polymeric foam
BR7306633D0 (pt) Aperfeicoamentos em navios dotados de tanques de carga independentes do tipo de pressao, apoiados em cascos continuos
IT963742B (it) Pneumatico di sicurezza provvisto di una struttura gonfiabile auto maticamente al prodursi di fori o lacerazioni nel pneumatico
CA951640A (en) Liquid membrane foam diffusion
ES380427A1 (es) Un metodo para construir estructuras marinas flotantes.
ES194763Y (es) Disposicion de abrigo hinchable escamoteable en su totali- dad o parcialmente.
IE35127B1 (en) Microporous material
FR2039268A7 (en) Lightweight foamed plastic articles - of polyurethane and/or polyamide
FR2048374A5 (en) Shock absorbent cushion
AU2089670A (en) Improvements in or relating to inflatable body-attachments for marine lifesaving
CA933318A (en) Flexible poromeric sheet material with a suede finish
IE33942B1 (en) Improvements in or relating to frangible elements in sheet material
CA808597A (en) Leather-like microporous sheet structures
AU2445971A (en) Membrane destruction in foamed cellular material
AU1254870A (en) Improvements in or relating to a uniformly dispersed, small cell foam
GB1311214A (en) Mat systems for coastal protection and water purification
AU444140B2 (en) Hydrodynamic reticulation of polyurethane foam
AU2113570A (en) Hydrodynamic reticulation of polyurethane foam
AU1442170A (en) Expanded plastics sheet materials
FR2036315A5 (en) Swimming float-board
CA923047A (en) Infrasonic activation of desalination membranes
IT971864B (it) Disposizione in apparecchiature di regolazione azionate da mezzi in pressione