KR950011492A - 4,4'- 및 2,4'-디페닐메탄 디이소시아네이트 기재의 신규 폴리이소시아네이트 및 이의 rim 법에의 사용 - Google Patents

4,4'- 및 2,4'-디페닐메탄 디이소시아네이트 기재의 신규 폴리이소시아네이트 및 이의 rim 법에의 사용 Download PDF

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KR950011492A
KR950011492A KR1019940027606A KR19940027606A KR950011492A KR 950011492 A KR950011492 A KR 950011492A KR 1019940027606 A KR1019940027606 A KR 1019940027606A KR 19940027606 A KR19940027606 A KR 19940027606A KR 950011492 A KR950011492 A KR 950011492A
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isocyanate
polyisocyanate
weight
diphenylmethane diisocyanate
molecular weight
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KR1019940027606A
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KR100330822B1 (ko
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에프. 헐리 마이클
게. 아이벤 로베르트
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죠지프 씨. 길
마일즈 인크
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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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl 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
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • 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
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation 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
    • 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
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy 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
    • C08G2120/00—Compositions for reaction injection moulding processes

Abstract

본 발명은 a)1) 4,4'-디페닐메탄 디이소시아네이트 80 내지 95중량%, 2) 2,4'-디페닐메탄 디이소시아네이트 2 내지 7중량%, 및 3) 3이상의 관능가를 갖는 디페닐메탄 디이소시아네이트 동족체 및 개질된 디페닐메탄디이소시아네이트로부터 선택된 2이상의 이소시아네이트 관능가를 갖는 이소시아네이트 일정량(여기서, 이 이소시아네이트의 양은 전체 이소시아네이트 혼합물 a)가 2.02 내지 2.50의 평균 이소시아네이트 관능가를 갖도록 정해진 다)로 이루어진 이소시아네이트 혼합물과, b)1) 1000 내지 5000의 분자량을 갖는 1종 이상의 디올 및 2) 1000내지 6000의 분자량을 갖는 1종 이상의 트리올로 이루어지고 디올 대 트리올의 중량비가 10:1 내지 1:10인 폴리올 혼합물을 반응시켜 제조한, 이소시아네이트에 관한 것이다. 이 폴리이소시아네이트를 RIM법에 사용하면 우수한 저온 충격 특성을 갖는 성형품이 얻어진다.

Description

4,4'- 및 2,4'-디페닐메탄 디이소시아네이트 기재의 신규 폴리이소시아네이트 및 이의 RlM 법에의 사용
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. a) 4,4'-디페닐메탄 디이소시아네이트 80 내지 95중량% 2) 2,4'-디페닐메탄 디이소시아네이트 2 내지 7중량% 및 3) 3이상의 관능가를 갖는 디페닐메탄 디이소시아네이트 동족체 및 개질된 디페닐메탄 디이소시아네이트로부터 선택된 2이상의 이소시아네이트 관능가를 갖는 이소시아네이트 일정량(여기서, 이이소시아네이트의 양은 전체 이소시아네이트 혼합물 a)가 2,02 내지 2.50의 평균 이소시아네이트 관능가를 갖도록 정해진다)로 이루어진 이소시아네이트 혼합물과, b)1) 1000 내지 5000의 분자량을 갖는 1종 이상의 디올 및 2) 1000 내지 6000의 분자량을 갖는 1종 이상의 트리올로 이루어지고 디올 대 트리올의 중량비가 10:1 내지 1:10인 폴리올 혼합물을 반응시켜 제조한, 이소시아네이트기 함량이 10 내지 30중량%이고 실온에서 안정한 액상의 포리이소시아네이트.
  2. 제1항에 있어서, 상기 이소시아네이트 혼합물 a)가 1) 4,4'-디페닐 디미소시아네이트 90 내지 94중량%, 2) 2,4'-디페닐메탄 디이소시아네이트 4 내지 6중량%, 및 3) 3이상의 관능가를 갖는 디페닐메탄 디이소시아네이트 동족체 및 개질된 디페닐메탄 디이소시아네이트로부터 선택된 2이상의 이소시아네이트 관능가를 갖는 이소시아네이트 일정량(여기서, 이 이소시아네이트의 양은 전체 이소시아네이트 혼합물 a)가 2.02 내지 2.50의 평균 이소시아네이트 관능가를 갖도록 정해진다)로 이루어진 것이고, 이소시아네이트기 함량이 18 내지 23중량%이 폴리이소시아네이트.
  3. 제1항에 있어서, 상기 디올 대 트리올의 중량비가 6:4 내지 4:6인 폴리이소시아네이트.
  4. 제1항에 있어서, 상기 디올 대 트리올의 중량비가 1:1인 폴리이소시아네이트.
  5. 제1,3또는 4항에 있어서, 상기 디올이 2,000내지 4,000의 분자량을 갖고, 상기 트리올이 1,500의 분자량을 갖는 폴리이소시아네이트.
  6. 제1항에 있어서, 상기 a)3) 성분이 폴리메틸렌 폴리(페닐이소시아네이트), 카보디이미드기 함유 폴리이소시아네이트, 알로파네이크기 함유 폴리이소시아네이트, 이소시아누레이트기 함유 폴리이소시아네이트, 비우레트기 함유 폴리이소시아네이트 및 이들의 혼합물로 이루어진 군으로 부터 선택된 것인 폴리이소시아네이트.
  7. 제6항에 있어서, 상기 a)3) 성분이 폴리메틸렌 폴리(페닐이소시아네이트)인 폴리이소시아네이트.
  8. A) 제1항 기재의폴리이소시아네이트, b) 활성 수소기를 함유하는 비교적 고분자량의 화합물 1종 이상, 및 c) 비교적 저분자량의 사슬 연장제 1종 이상으로 이루어진 반응 혼합물을 RIM 법에 의해 약 70 내지 약130의 이소시아네이트 지수에서 원 샷 시스템(one-shot system)으로 처리하는 것을 특징으로 하는 성형품의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940027606A 1993-10-28 1994-10-27 4,4'-및2,4'-디페닐메탄디이소시아네이트기재의신규폴리이소시아네이트및이를rim법에사용하여성형품을제조하는방법 KR100330822B1 (ko)

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US14445893A 1993-10-28 1993-10-28
US08/144,458 1993-10-28
US08/144.458 1993-10-28

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US (1) US5585452A (ko)
EP (1) EP0650989B1 (ko)
JP (1) JPH07179550A (ko)
KR (1) KR100330822B1 (ko)
BR (1) BR9404275A (ko)
CA (1) CA2117740A1 (ko)
DE (1) DE69415921T2 (ko)
ES (1) ES2126041T3 (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648509A1 (de) * 1996-11-22 1998-05-28 Bayer Ag Verwendung von Polyether-PUR für Sicherheitskleidung
US6277943B1 (en) 1999-12-10 2001-08-21 Bayer Corporation One-shot polyurethane elastomers with very low compression set
US6248856B1 (en) 1999-12-10 2001-06-19 Bayer Corporation One-shot polyurethane elastomers with very low compression sets
US6586487B1 (en) * 2000-07-12 2003-07-01 Bayer Corporation Low-density, water blown polyurethane foams for energy-absorbing applications
US6376567B1 (en) 2000-12-07 2002-04-23 Bayer Corporation Polyisocyanate compositions and a process for the production of low-density flexible foams with low humid aged compression sets from these polyisocyanate compositions
DE10304153A1 (de) * 2002-02-08 2003-11-13 Henkel Kgaa Farbneutraler 1K Polyurethan-Klebstoff
US6797799B1 (en) * 2003-04-02 2004-09-28 Bayer Materialscience Llc High 2,4′-diphenylmethane diisocyanate content prepolymers
US7648933B2 (en) 2006-01-13 2010-01-19 Dynamic Abrasives Llc Composition comprising spinel crystals, glass, and calcium iron silicate
US7790907B2 (en) * 2006-07-21 2010-09-07 Basf Corporation Method of producing a uretonimine-modified isocyanate composition
US20080085987A1 (en) * 2006-10-05 2008-04-10 Thomas Savino Method of producing a uretonimine-modified isocyanate composition
WO2012169791A2 (ko) 2011-06-07 2012-12-13 주식회사 엘지화학 락타이드 공중합체, 이의 제조 방법 및 이를 포함하는 수지 조성물
CN110360467A (zh) 2013-04-19 2019-10-22 科思创有限公司 模内电子印刷电路板封装及组件
EP3864939A1 (en) 2018-10-09 2021-08-18 Covestro LLC Insert-molded electronic modules using thermally conductive polycarbonate and molded interlocking features

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152162A (en) * 1959-07-29 1964-10-06 Bayer Ag Polyisocyanate-carbodiimide adducts and process for the production thereof
US3384653A (en) * 1965-03-31 1968-05-21 Upjohn Co Compositions of methylenebis (phenyl isocyanate) with trihydrocarbyl phosphates and preparation thereof
US3394165A (en) * 1965-10-24 1968-07-23 Upjohn Co Stabilized methylenebis-(phenyl isocyanate) compositions
US3449256A (en) * 1966-01-19 1969-06-10 Upjohn Co Methylenebis(phenyl isocyanate) compositions and preparation thereof
DE1618380C3 (de) * 1967-03-08 1975-09-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates
GB1194050A (en) * 1967-12-12 1970-06-10 Ici Ltd Liquid Diphenylmethane Diisocyanate Compositions
GB1200432A (en) * 1968-01-25 1970-07-29 Bayer Ag Process for the preparation of polyisocyanates which contain a carbodiimideisocyanate adduct
GB1193401A (en) * 1968-05-14 1970-06-03 Ici Ltd Liquid diphenylmethane diisocyanate compositions
US3701796A (en) * 1970-09-29 1972-10-31 Upjohn Co Storage stable methylenebis (phenyl isocyanate) compositions
NL178871C (nl) * 1972-09-26 Ici Ltd Werkwijze voor het bereiden van een vloeibaar difenylmethaandiisocyanaatproduct en voor het bereiden of vervaardigen van een polyurethaan onder toepassing van een dergelijk isocyanaatproduct.
GB1476088A (en) * 1975-04-03 1977-06-10 Ici Ltd Carbodiimides
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
DE2537685C2 (de) * 1975-08-23 1989-04-06 Bayer Ag, 5090 Leverkusen Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten
US4048105A (en) * 1975-12-19 1977-09-13 Mccord Corporation High density urethane foam for rim
US4218543A (en) * 1976-05-21 1980-08-19 Bayer Aktiengesellschaft Rim process for the production of elastic moldings
US4055548A (en) * 1976-09-17 1977-10-25 The Upjohn Company Storage-stable liquid polyisocyanate composition
US4118411A (en) * 1977-02-09 1978-10-03 Mobay Chemical Corporation Low-temperature storage stable liquid diphenylmethane diisocyanates
US4115429A (en) * 1977-03-18 1978-09-19 Mobay Chemical Corporation Low-temperature storage stable liquid diphenylmethane diisocyanates
GB1596469A (en) * 1978-04-11 1981-08-26 Ici Ltd Liquid isocyanate compositions based on diphenylmethane diisocyanate
US4154752A (en) * 1978-05-05 1979-05-15 Mobay Chemical Corporation Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
EP0010850B2 (en) * 1978-10-03 1990-01-31 Imperial Chemical Industries Plc Liquid polyisocyanate compositions
US4177205A (en) * 1978-11-20 1979-12-04 Basf Wyandotte Corporation Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions
US4321333A (en) * 1981-04-16 1982-03-23 The Upjohn Company Polyurethane prepared from polyisocyanate blend
US4332742A (en) * 1981-06-22 1982-06-01 Mobay Chemical Corporation Low temperature storage stable liquid diphenylmethane diisocyanates
US4374210A (en) * 1981-09-18 1983-02-15 The Upjohn Company Polyurea-polyurethane from a mixture of a polyol, an aromatic diamine, and an isocyanate-terminated prepolymer
DE3147736A1 (de) * 1981-12-02 1983-06-09 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von elastischen formkoerpern
US4433067A (en) * 1982-04-23 1984-02-21 Texaco Inc. Reaction injection molded elastomers prepared from amine terminated polyethers, amine terminated chain extender and aromatic polyisocyanate
US4444910A (en) * 1982-04-23 1984-04-24 Texaco Inc. Reaction injection molded elastomers made using a polyurethane organometallic catalyst amine terminated polyethers amine terminated chain extender and aromatic polyisocyanate
DE3241450A1 (de) * 1982-11-10 1984-05-10 Basf Ag, 6700 Ludwigshafen Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen
US4530941A (en) * 1983-01-26 1985-07-23 The Dow Chemical Company Reaction injection molded polyurethanes employing high molecular weight polyols
US4442235A (en) * 1983-05-09 1984-04-10 Mobay Chemical Corporation Process and composition for the production of polyurethane elastomer moldings
US4448904A (en) * 1983-06-08 1984-05-15 Texaco Inc. Reaction injection molded elastomer using a methylene bis(phenyliscoyanate) containing 2,4' isomer in amounts greater than about 10 percent
US4490300A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490301A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490302A (en) * 1983-11-25 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4585850A (en) * 1984-08-30 1986-04-29 Texaco Inc. Flakeglass with sizing, amino, chloro, isocyanate agents coated directly onto the glass in RRIM elastomers
US4546114A (en) * 1984-10-25 1985-10-08 The Upjohn Company Process for the preparation of polyurea elastomers
US4539157A (en) * 1984-12-14 1985-09-03 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4539158A (en) * 1984-12-14 1985-09-03 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4539156A (en) * 1984-12-14 1985-09-03 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4910333A (en) * 1987-06-03 1990-03-20 Mobay Corporation Liquid diphenylmethane diisocyanate compositions
GB8725217D0 (en) * 1987-10-28 1987-12-02 Ici Plc Polyisocyanate prepolymer
US4883909A (en) * 1988-05-11 1989-11-28 Mobay Corporation Liquid diphenylmetane diisocyanate compositions
DE3818769A1 (de) * 1988-06-02 1989-12-07 Bayer Ag Fluessige polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethan-weichschaumstoffen
GB8908490D0 (en) * 1989-04-14 1989-06-01 Ici Plc Prepolymers
US5246977A (en) * 1990-05-04 1993-09-21 The Dow Chemical Company Microcellular polyurethane polymers prepared from isocyanate-terminated poly(oxytetramethylene) glycol prepolymers
DE4026474A1 (de) * 1990-08-22 1992-02-27 Bayer Ag Neue isocyanuratgruppen aufweisende polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethanschaumstoffen
DE4115037A1 (de) * 1991-05-08 1992-11-12 Bayer Ag Verfahren zur herstellung von urethangruppen aufweisenden polyharnstoff-elastomeren
US5240635A (en) * 1992-02-06 1993-08-31 The Dow Chemical Company Composition of flexible polyurethane foams blown using reduced amounts of chlorofluorocarbon blowing agents and method for preparation

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EP0650989A1 (en) 1995-05-03
US5585452A (en) 1996-12-17
EP0650989B1 (en) 1999-01-13
BR9404275A (pt) 1995-07-04
JPH07179550A (ja) 1995-07-18
ES2126041T3 (es) 1999-03-16
DE69415921T2 (de) 1999-05-27
KR100330822B1 (ko) 2002-10-12
DE69415921D1 (de) 1999-02-25
CA2117740A1 (en) 1995-04-29

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