IT948764B - Procedimento per la produzione di schiuma polimerica e prodotto ottenuto - Google Patents

Procedimento per la produzione di schiuma polimerica e prodotto ottenuto

Info

Publication number
IT948764B
IT948764B IT48620/72A IT4862072A IT948764B IT 948764 B IT948764 B IT 948764B IT 48620/72 A IT48620/72 A IT 48620/72A IT 4862072 A IT4862072 A IT 4862072A IT 948764 B IT948764 B IT 948764B
Authority
IT
Italy
Prior art keywords
procedure
production
product obtained
polymer foam
foam
Prior art date
Application number
IT48620/72A
Other languages
English (en)
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Application granted granted Critical
Publication of IT948764B publication Critical patent/IT948764B/it

Links

Classifications

    • 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
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • 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
    • C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
    • C08G18/095—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to carbodiimide or uretone-imine groups
    • 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
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/m3
    • 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
    • Y10S521/902—Cellular polymer containing an isocyanurate structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT48620/72A 1971-03-01 1972-02-28 Procedimento per la produzione di schiuma polimerica e prodotto ottenuto IT948764B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11989671A 1971-03-01 1971-03-01

Publications (1)

Publication Number Publication Date
IT948764B true IT948764B (it) 1973-06-11

Family

ID=22387060

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48620/72A IT948764B (it) 1971-03-01 1972-02-28 Procedimento per la produzione di schiuma polimerica e prodotto ottenuto

Country Status (9)

Country Link
US (1) US3723364A (it)
JP (1) JPS5521043B1 (it)
AU (1) AU464467B2 (it)
CA (1) CA932500A (it)
DE (1) DE2208336A1 (it)
FR (1) FR2128440B1 (it)
GB (1) GB1376079A (it)
IT (1) IT948764B (it)
NL (1) NL155565B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859162A (en) * 1973-05-11 1975-01-07 Minnesota Mining & Mfg Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation
DE2342148A1 (de) * 1973-08-21 1975-03-06 Bayer Ag Neue phosphorhaltige anlagerungsverbindungen und ihre verwendung als katalysatoren bei der herstellung von carbodiimidgruppen aufweisenden schaumstoffen
US3887501A (en) * 1973-12-21 1975-06-03 Basf Wyandotte Corp Process for the preparation of carbodiimide-isocyanurate foams
US4029610A (en) * 1974-05-23 1977-06-14 Basf Wyandotte Corporation Carbodiimide-isocyanurate foams containing urethane linkages
US3922238A (en) * 1974-05-23 1975-11-25 Basf Wyandotte Corp Carbodiimide-isocyanurate foams containing urethane linkages
US4036792A (en) * 1975-07-16 1977-07-19 General Latex And Chemical Corporation Polyisocyanurate foams prepared by a cocatalyst system
US4067830A (en) * 1976-03-29 1978-01-10 Ashland Oil, Inc. Catalytic trimerization of polyisocyanates
US4234694A (en) * 1979-05-21 1980-11-18 Bayer Aktiengesellschaft Addition compounds which contain phosphorus and their use as catalysts for the production of foam resins which contain carbodiimide groups
US4454257A (en) * 1983-04-06 1984-06-12 The Dow Chemical Company Isocyanurate/imide cross-linked resins and foams
DE3643239C2 (it) * 1985-03-29 1990-12-20
JPH02163164A (ja) * 1988-09-22 1990-06-22 Dow Chem Co:The 反応加工によるポリアミドブレンド
US4990543A (en) * 1989-07-13 1991-02-05 Manville Corporation Lightweight flexible inide foam and method of producing same
JP2604953B2 (ja) * 1992-10-23 1997-04-30 日清紡績株式会社 変性ポリイソシアヌレート発泡体の製造法
JP3061717B2 (ja) * 1993-12-03 2000-07-10 日清紡績株式会社 変性ポリイソシアヌレート発泡体の製造法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1441565A (fr) * 1964-04-08 1966-06-10 Gen Tire & Rubber Co Polymères d'isocyanurates et leur préparation
US3657161A (en) * 1967-10-31 1972-04-18 Baychem Corp Polycarbodiimide-polyisocyanurate foam
US3644234A (en) * 1969-01-27 1972-02-22 Upjohn Co Method of preparing cellular polymers from organic polyisocyanates and polycarboxylic acid compounds
CA918880A (en) * 1970-04-07 1973-01-16 G. Nadeau Herbert Structural material formed from a rigid cellular polymer having a non-cellular surface

Also Published As

Publication number Publication date
NL155565B (nl) 1978-01-16
FR2128440B1 (it) 1978-05-19
DE2208336A1 (de) 1972-10-26
CA932500A (en) 1973-08-21
NL7202431A (it) 1972-09-05
JPS5521043B1 (it) 1980-06-06
US3723364A (en) 1973-03-27
AU464467B2 (en) 1975-08-12
AU3870772A (en) 1973-08-09
FR2128440A1 (it) 1972-10-20
GB1376079A (en) 1974-12-04

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