IT969461B - Processo per la produzione di espansi rigidi - Google Patents

Processo per la produzione di espansi rigidi

Info

Publication number
IT969461B
IT969461B IT53095/72A IT5309572A IT969461B IT 969461 B IT969461 B IT 969461B IT 53095/72 A IT53095/72 A IT 53095/72A IT 5309572 A IT5309572 A IT 5309572A IT 969461 B IT969461 B IT 969461B
Authority
IT
Italy
Prior art keywords
production
rigid foams
foams
rigid
Prior art date
Application number
IT53095/72A
Other languages
English (en)
Original Assignee
Basf Wyandotte Corp
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 Basf Wyandotte Corp filed Critical Basf Wyandotte Corp
Application granted granted Critical
Publication of IT969461B publication Critical patent/IT969461B/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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • 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
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G2115/00—Oligomerisation
    • C08G2115/06—Oligomerisation to carbodiimide or uretone-imine groups
    • 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

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT53095/72A 1971-10-01 1972-09-30 Processo per la produzione di espansi rigidi IT969461B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18591071A 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
IT969461B true IT969461B (it) 1974-03-30

Family

ID=22682926

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53095/72A IT969461B (it) 1971-10-01 1972-09-30 Processo per la produzione di espansi rigidi

Country Status (9)

Country Link
US (1) US3748289A (it)
JP (1) JPS528880B2 (it)
BE (1) BE789419A (it)
CA (1) CA1001349A (it)
FR (1) FR2156676B1 (it)
GB (1) GB1382178A (it)
IT (1) IT969461B (it)
NL (1) NL152883B (it)
ZA (1) ZA726456B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981829A (en) * 1974-12-30 1976-09-21 Basf Wyandotte Corporation Process for the preparation of carbodiimide-isocyanurate foams
DE2536493A1 (de) * 1975-08-16 1977-02-24 Bayer Ag Polymerisationsprodukte
JPS61235414A (ja) * 1985-03-29 1986-10-20 Nisshinbo Ind Inc 熱硬化性樹脂の製造方法
JPS61235415A (ja) * 1985-04-12 1986-10-20 Nisshinbo Ind Inc 熱硬化性樹脂の製造方法

Also Published As

Publication number Publication date
NL7213264A (it) 1973-04-03
GB1382178A (en) 1975-01-29
CA1001349A (en) 1976-12-07
BE789419A (fr) 1973-03-28
NL152883B (nl) 1977-04-15
ZA726456B (en) 1973-06-27
DE2247500A1 (de) 1973-04-12
US3748289A (en) 1973-07-24
FR2156676A1 (it) 1973-06-01
JPS4843798A (it) 1973-06-23
FR2156676B1 (it) 1975-03-14
JPS528880B2 (it) 1977-03-11
DE2247500B2 (de) 1975-10-30

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