KR880014023A - Rigid foam - Google Patents

Rigid foam Download PDF

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Publication number
KR880014023A
KR880014023A KR1019880006167A KR880006167A KR880014023A KR 880014023 A KR880014023 A KR 880014023A KR 1019880006167 A KR1019880006167 A KR 1019880006167A KR 880006167 A KR880006167 A KR 880006167A KR 880014023 A KR880014023 A KR 880014023A
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KR
South Korea
Prior art keywords
weight
polyisocyanate
polyisocyanate composition
less
diisocyanate
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Application number
KR1019880006167A
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Korean (ko)
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KR970002520B1 (en
Inventor
듀버 오토
엘링 버렌드
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원본미기재
임페리알 케미칼 인더스트리스 피엘씨
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Publication of KR880014023A publication Critical patent/KR880014023A/en
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Publication of KR970002520B1 publication Critical patent/KR970002520B1/en

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    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • 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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent

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  • 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)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

A method is claimed for prepn. of rigid foams comprising reacting under foam forming conditions: a) a polymethylene polyphenyl polyisocyanate compsn. (I) contg. not more than 20 (pref. less than 15)wt. % diisocyanates and not more than 20 (pref. less than 10)wt. % polyisocyanates contg. more than 5 NCO gps. per mol.; with b) a polyfunctional active H cpd. Pref. the reaction is carried out wtih greater than a stoichiometric amount of (I) in the presence of a trimerisation catalyst. Also claimed is a polyisocyanate compsn. contg. 0-20 wt. % diisocyanate, 40-80 wt. % triisocyanate, 5-25 wt. % tetra/pentaisocyanate and not more than 20 wt. % polyisocyanate, and wherein the NCO value is 32-33.3 wt. %.

Description

경질 포움Rigid foam

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (14)

20중량%를 넘지 않는 디이소시아네이트 및 분자당 5보다 많은 이소시아네이트 그룹을 함유하는 20중량%를 넘지 않은 폴리이소시아네이트를 함유하는 폴리메틸렌 폴리페닐 폴리이소시아네이트 조성물을 포움이 형성되는 조건하에서 다기능기의 활성 수소 화합물과 반응시키는 것으로 구성되는, 경질 포움의 제조방법.Active hydrogen compounds of the multifunctional group under conditions under which foams are formed of polymethylene polyphenyl polyisocyanate compositions containing not more than 20% by weight of diisocyanate and not more than 20% by weight of polyisocyanates containing more than 5 isocyanate groups per molecule. A method for producing a rigid foam, which is composed of reacting with a hydrate. 제 1 항에 있어서, 폴리이소시아네이트 조성물이 0-20중량% 디페닐메탄 디이소시아네이트, 40-80중량% 디메틸렌트리페닐렌 트리이소시아네이트, 5-25중량% 폴리메틸렌 폴리페닐렌 테트라-및 펜타-이소시아네이트 및 0-20중량% 고급 폴리메틸렌 폴리페닐렌 폴리이소시아네이트를 함유하는 방법.The polyisocyanate composition of claim 1, wherein the polyisocyanate composition comprises 0-20% by weight diphenylmethane diisocyanate, 40-80% by weight dimethylenetriphenylene triisocyanate, 5-25% by weight polymethylene polyphenylene tetra- and penta-isocyanate. And 0-20% by weight higher polymethylene polyphenylene polyisocyanate. 제 2 항 내지 제 3 항에 있어서, 폴리이소시아네이트 조성물의 NCO 함량이 32중량%-33.3중량%인 방법.The method of claim 2, wherein the NCO content of the polyisocyanate composition is 32% -33.3% by weight. 제 1 항 또는 제 2 항에 있어서, 폴리이소시아네이트 조성물이 15중량% 미만의 디이소시아네이트를 함유하는 방법.The method of claim 1 or 2, wherein the polyisocyanate composition contains less than 15% by weight diisocyanate. 전기한 항의 어느 한 항에 있어서, 폴리이소시아네이트 조성물이 분자당 5보다 많은 이소시아네이트 그룹을 포함하는 10중량% 미만의 폴리이소시아네이트를 함유하는 방법.The process of claim 1, wherein the polyisocyanate composition contains less than 10% by weight polyisocyanate comprising more than 5 isocyanate groups per molecule. 전기한 항의 어느 한 항에 있어서, 폴리이소시아네이트 조성물이 25℃에서 1000센티포이즈(cP) 미만의 점도를 갖는 방법.The method of any one of the preceding claims wherein the polyisocyanate composition has a viscosity of less than 1000 centipoise (cP) at 25 ° C. 전기한 항의 어느 한 항에 있어서, 다기능기 활성수소 화합물이 폴리올, 폴리아민, 물 또는 하나 이상의 이들 혼합물인 방법.The method of claim 1, wherein the multifunctional group active hydrogen compound is a polyol, polyamine, water or one or more of these mixtures. 전기한 항의 어느 한 항에 있어서, 폴리이소시아네이트 조성물이 삼량체화 촉매와 함께 화학량론적 양보다 큰 양으로 사용된 방법.The process of claim 1, wherein the polyisocyanate composition is used in an amount greater than stoichiometric amount with the trimerization catalyst. 제 8 항에 있어서, 촉매가 다음 구조식의 염과The process of claim 8 wherein the catalyst is a salt of the formula 다음 구조식의 염과의 혼합물로 구성되는 방법.And a mixture with a salt of the following structural formula. 식중, M은 알칼리 금속 또는 테트라알킬암모늄, Q는 그룹 ⅡA금속 또는 아연, 및 R1, R2및 R3는 같거나 다르고, 수소, 저급알킬, 사이클로알킬, 페닐 또는 알킬페닐Wherein M is an alkali metal or tetraalkylammonium, Q is a group IIA metal or zinc, and R 1 , R 2 and R 3 are the same or different and are hydrogen, lower alkyl, cycloalkyl, phenyl or alkylphenyl 제 9 항에 있어서, NCO 인덱스가 500보다 큰 방법.10. The method of claim 9, wherein the NCO index is greater than 500. 0-20중량%의 디이소시아네이트 함량, 40-80중량%의 트리이소시아네이트 함량, 5-25중량%의 테트라/펜타이소시아네이트 함량, 및 20중량%를 넘지 않는 폴리이소시아네이트 함량 및 NCO값이 33-33.3중량%인 것으로 특징되는 폴리이소시아네이트 조성물.Diisocyanate content of 0-20% by weight, triisocyanate content of 40-80% by weight, tetra / pentaisocyanate content of 5-25% by weight, and polyisocyanate content not exceeding 20% by weight and 33-33.3% by weight of NCO Polyisocyanate composition, characterized in that%. 제11항에 있어서, 15중량% 미만의 디이소시아네이트가 있는 폴리이소시아네이트 조성물.12. The polyisocyanate composition of claim 11 having less than 15 weight percent diisocyanate. 제11항 또는 제12항에 있어서, 분자당 5보다 많은 이소시아네이트 그룹을 함유하는 10중량%미만의 폴리이소시아네이트가 있는 폴리이소시아네이트 조성물.13. The polyisocyanate composition according to claim 11 or 12, having less than 10% by weight polyisocyanate containing more than 5 isocyanate groups per molecule. 제11항 내지 제13항의 어느 한 항에 있어서, 25℃에서 100센티포이즈(cP) 미만의 점도를 갖는 폴리이소시아네이트 조성물.The polyisocyanate composition of claim 11 having a viscosity of less than 100 centipoise (cP) at 25 ° C. 15. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880006167A 1987-05-26 1988-05-26 Rigid foam KR970002520B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878712364A GB8712364D0 (en) 1987-05-26 1987-05-26 Rigid foams
GB8712364 1987-05-26

Publications (2)

Publication Number Publication Date
KR880014023A true KR880014023A (en) 1988-12-22
KR970002520B1 KR970002520B1 (en) 1997-03-05

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ID=10617928

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KR1019880006167A KR970002520B1 (en) 1987-05-26 1988-05-26 Rigid foam

Country Status (10)

Country Link
KR (1) KR970002520B1 (en)
AT (1) ATE94182T1 (en)
CA (1) CA1322816C (en)
DK (1) DK289088A (en)
FI (1) FI882485A (en)
GB (1) GB8712364D0 (en)
HK (1) HK1001692A1 (en)
NO (1) NO882283L (en)
NZ (1) NZ224659A (en)
PT (1) PT87571B (en)

Also Published As

Publication number Publication date
PT87571B (en) 1992-12-31
NO882283D0 (en) 1988-05-25
GB8712364D0 (en) 1987-07-01
KR970002520B1 (en) 1997-03-05
DK289088A (en) 1988-11-27
DK289088D0 (en) 1988-05-26
HK1001692A1 (en) 1998-07-03
PT87571A (en) 1989-05-31
FI882485A0 (en) 1988-05-26
FI882485A (en) 1988-11-27
CA1322816C (en) 1993-10-05
ATE94182T1 (en) 1993-09-15
NO882283L (en) 1988-11-28
NZ224659A (en) 1990-08-28

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