KR880002911A - 프로리메틸렌 폴리페닐이소시아네이트의 산 함량을 감소시키는 방법 - Google Patents

프로리메틸렌 폴리페닐이소시아네이트의 산 함량을 감소시키는 방법 Download PDF

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KR880002911A
KR880002911A KR870009016A KR870009016A KR880002911A KR 880002911 A KR880002911 A KR 880002911A KR 870009016 A KR870009016 A KR 870009016A KR 870009016 A KR870009016 A KR 870009016A KR 880002911 A KR880002911 A KR 880002911A
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South Korea
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acid content
vinylimidazole
poly
polyphenylisocyanate
weight
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KR870009016A
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English (en)
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KR900005051B1 (en
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에프. 레겔만 데일
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리차드 지. 워터맨
더 다우 케미칼 캄파니
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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • 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
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • 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
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • C08G2101/00—Manufacture of cellular products

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음.

Description

폴리메틸렌 폴리페닐이소시아네이트의 산 함량을 감소시키는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 폴리에틸렌 폴리이소시아네이트를 유효량의 폴리(N-비닐이미다졸)과 접촉시킴을 특징으로 하는 폴리메틸렌 폴리페닐이소시아네이트의 산 함량을 감소시키는 방법.
  2. 제1항에 있어서, 접촉반응을 -10℃ 내지 100℃의 온도에서 수행하는 방법.
  3. 제1항에 있어서, 상기 유효량이 후자물질과 상기 폴리이소시아네이트의 결합중량에 대하여 0.1 내지 20중량%의 폴리(N-비닐이미다졸)을 함유하는 방법.
  4. 제1항에 있어서, 상기 폴리(N-비닐이미다졸)이 25,000 내지 1,500,000 Mw를 갖는 방법.
  5. 제1항에 있어서, 상기 접촉반응을 적어도 2분 동안 수행하는 방법.
  6. 제1항에 있어서, 20℃ 내지 30℃의 온도에서 폴리메틸렌 폴리페닐이소시아네이트를 0.5 내지 10중량%의 폴리(N-비닐이미다졸)과 접촉시킴을 포함하는, 20 내지 85중량%의 메틸렌비스(페닐 이소시아네이트)를 함유하고 나머지가 2 이상의 작용기를 갖는 폴리메틸렌 폴리페닐이소시아네이트인 폴리메틸렌 폴리페닐이소시아네이트의 산 함량을 감소시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR878709016A 1986-08-19 1987-08-18 Method for scavenging acidic impurities from polymeric isocyanates KR900005051B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/897,904 US4661627A (en) 1986-08-19 1986-08-19 Method for scavenging acidic impurities from polymeric isocyanates
US897904 1986-08-19

Publications (2)

Publication Number Publication Date
KR880002911A true KR880002911A (ko) 1988-05-12
KR900005051B1 KR900005051B1 (en) 1990-07-19

Family

ID=25408633

Family Applications (1)

Application Number Title Priority Date Filing Date
KR878709016A KR900005051B1 (en) 1986-08-19 1987-08-18 Method for scavenging acidic impurities from polymeric isocyanates

Country Status (6)

Country Link
US (1) US4661627A (ko)
EP (1) EP0263946A1 (ko)
JP (1) JPS6351367A (ko)
KR (1) KR900005051B1 (ko)
DD (1) DD261596A5 (ko)
PT (1) PT84773B (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111212A1 (de) * 1991-04-06 1992-10-08 Bayer Ag Verfahren zur konditionierung und/oder reinigung von organischen isocyanaten
JPH0586163A (ja) * 1991-09-26 1993-04-06 Mitsui Toatsu Chem Inc 結晶化を防止した低粘度ポリメチレンポリフエニレンポ リイソシアナート組成物
US5726240A (en) * 1996-11-25 1998-03-10 Bayer Corporation Reactivity stabilization of polymethylene poly(phenylisocyanates)
US5783652A (en) * 1997-11-04 1998-07-21 Bayer Corporation Reactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates
DE102007006147A1 (de) * 2007-02-07 2008-08-14 Wacker Chemie Ag Verfahren zur Herstellung von Isocyanatoorganosilanen
CN102443132B (zh) * 2010-10-15 2013-02-13 兰州理工大学 一种离子导电聚氨酯的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA727137A (en) * 1966-02-01 H. Kober Ehrenfried Process for reducing the amount of hydrolyzable chloride in organic isocyanates
US3155699A (en) * 1960-03-30 1964-11-03 Mobay Chemical Corp Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content
US3179680A (en) * 1962-10-31 1965-04-20 Olin Mathieson Purification of organic isocyanates
US3458558A (en) * 1963-10-25 1969-07-29 Allied Chem Purification of isocyanates by reducing the hydrolyzable chlorine content
US3264336A (en) * 1964-09-11 1966-08-02 Mobay Chemical Corp Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content
GB1146661A (en) * 1965-04-29 1969-03-26 Ici Ltd Foamed polymers
US3465023A (en) * 1965-12-07 1969-09-02 Gen Mills Inc Preparation of nonaromatic polyisocyanates
GB1229181A (ko) * 1968-08-01 1971-04-21
US3793362A (en) * 1971-10-18 1974-02-19 Upjohn Co Reduction of acidic impurities in polymethylene polyphenylisocyanates
US3799963A (en) * 1972-05-12 1974-03-26 Olin Corp Purification of isocyanates reducing the hydrolyzable chlorine and acid content
GB1347647A (en) * 1973-01-16 1974-02-27 Ici Ltd Process for the purification of organic isocyanates
GB1417075A (en) * 1973-10-31 1975-12-10 Ici Ltd Isocyanates
US4094894A (en) * 1977-03-23 1978-06-13 E. I. Du Pont De Nemours And Company Process of purifying aliphatic isocyanates

Also Published As

Publication number Publication date
PT84773A (en) 1987-05-01
PT84773B (en) 1989-12-04
DD261596A5 (de) 1988-11-02
JPS6351367A (ja) 1988-03-04
US4661627A (en) 1987-04-28
EP0263946A1 (en) 1988-04-20
KR900005051B1 (en) 1990-07-19

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