IT1018632B - Procedimento per la produzione di espansi poliuretanici elastici idrofili - Google Patents

Procedimento per la produzione di espansi poliuretanici elastici idrofili

Info

Publication number
IT1018632B
IT1018632B IT49435/74A IT4943574A IT1018632B IT 1018632 B IT1018632 B IT 1018632B IT 49435/74 A IT49435/74 A IT 49435/74A IT 4943574 A IT4943574 A IT 4943574A IT 1018632 B IT1018632 B IT 1018632B
Authority
IT
Italy
Prior art keywords
procedure
production
polyurethane foams
elastic polyurethane
hydrophilic elastic
Prior art date
Application number
IT49435/74A
Other languages
English (en)
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
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1018632B publication Critical patent/IT1018632B/it

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0033—Use of organic additives containing sulfur
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • 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
    • 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
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901—Cellular polymer containing a carbodiimide structure
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/905—Hydrophilic or hydrophobic cellular product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT49435/74A 1973-03-14 1974-03-21 Procedimento per la produzione di espansi poliuretanici elastici idrofili IT1018632B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2312678A DE2312678A1 (de) 1973-03-14 1973-03-14 Verfahren zur herstellung von hydrophilen, elastischen polyurethanschaumstoffen

Publications (1)

Publication Number Publication Date
IT1018632B true IT1018632B (it) 1977-10-20

Family

ID=5874745

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49435/74A IT1018632B (it) 1973-03-14 1974-03-21 Procedimento per la produzione di espansi poliuretanici elastici idrofili

Country Status (11)

Country Link
US (1) US4139686A (it)
JP (1) JPS508897A (it)
BE (1) BE812242A (it)
CA (1) CA1041249A (it)
DE (1) DE2312678A1 (it)
ES (1) ES424246A1 (it)
FR (1) FR2221479B1 (it)
GB (1) GB1429595A (it)
IT (1) IT1018632B (it)
LU (1) LU69618A1 (it)
NL (1) NL7403239A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2607999C2 (de) * 1976-02-27 1983-02-03 Bayer Ag, 5090 Leverkusen Urethan- und Isocyanuratgruppen aufweisende Schaumstoffe und ein Verfahren zu ihrer Herstellung
US4264337A (en) * 1979-06-19 1981-04-28 S. C. Johnson & Son, Inc. Process for forming a scrubbing pad
US4868215A (en) * 1982-07-26 1989-09-19 The Dow Chemical Company Substituted N-aroyl N'-phenyl urea compounds
US4738992A (en) * 1985-12-09 1988-04-19 Minnesota Mining And Manufacturing Company Hydrophilic polyurethane/polyurea sponge
JPH01203420A (ja) * 1988-02-09 1989-08-16 Sanyo Chem Ind Ltd ポリウレタンフォームの製法
BE1001853A7 (nl) * 1988-06-28 1990-03-20 Recticel Werkwijze voor het bereiden van soepel polyurethaanschuim.
US6004640A (en) * 1994-01-27 1999-12-21 Wilshire Technologies, Inc. Hydrophilic foam article and surface-cleaning method for clean room
US6004363A (en) * 1998-02-25 1999-12-21 Wilshire Technologies, Inc. Abrasive article and method for making the same
WO2013155254A1 (en) * 2012-04-13 2013-10-17 Inoac Usa, Inc. Hydrophilic polyurethane foam

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL155367C (it) * 1949-08-11
US3002937A (en) * 1955-01-25 1961-10-03 Pittsburgh Plate Glass Co Polyester - urethane foam containing synthetic detergent and method of preparing same
GB844525A (en) * 1957-01-14 1960-08-10 Ici Ltd Improvements in or relating to the manufacture of polymeric materials
US2965584A (en) * 1957-03-27 1960-12-20 Thiokol Chemical Corp Preparation of foamed hydrophilic polyurethanes using pyrrolidone catalysts
GB887724A (en) * 1958-10-03 1962-01-24 Ici Ltd Improvements in or relating to the manufacture of polymeric materials
US3149000A (en) * 1961-12-15 1964-09-15 Simoniz Co Hydrophilic polyurethane sponge
US3398224A (en) * 1965-07-07 1968-08-20 Pepperell Mfg Company Method of and apparatus for providing a polyurethane foam with a dense surface layer
NO119333B (it) * 1965-10-06 1970-05-04 Union Carbide Corp
US3463745A (en) * 1966-12-29 1969-08-26 Olin Mathieson Polyurethane sponge and process therefor
US3443007A (en) * 1967-02-21 1969-05-06 Mobay Chemical Corp Process for producing a smooth impervious skin on the surface of a resilient sheet of foamed plastic
CH473852A (fr) * 1967-05-02 1969-06-15 Elekal Procédé de fabrication d'une mousse de polyuréthane souple et hydrophile
US3508953A (en) * 1967-12-22 1970-04-28 Minnesota Mining & Mfg Hydrophilic polyurethane sponge
CA975500A (en) * 1969-02-06 1975-09-30 Joseph G. Spitzer Structures such as applicator pads for cleaning and other purposes, propellant compositions for forming the same, and process
US3816233A (en) * 1970-10-01 1974-06-11 Specialty Converters Manufacture of urethane foam sheets
US3903232A (en) * 1973-10-09 1975-09-02 Grace W R & Co Dental and biomedical foams and method

Also Published As

Publication number Publication date
CA1041249A (en) 1978-10-24
US4139686A (en) 1979-02-13
LU69618A1 (it) 1974-10-09
FR2221479B1 (it) 1978-11-10
JPS508897A (it) 1975-01-29
BE812242A (fr) 1974-09-13
GB1429595A (en) 1976-03-24
DE2312678A1 (de) 1974-09-19
ES424246A1 (es) 1976-06-16
NL7403239A (it) 1974-09-17
FR2221479A1 (it) 1974-10-11

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