KR890006687A - Process for producing rigid polyurethane foam - Google Patents

Process for producing rigid polyurethane foam Download PDF

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Publication number
KR890006687A
KR890006687A KR1019880013042A KR880013042A KR890006687A KR 890006687 A KR890006687 A KR 890006687A KR 1019880013042 A KR1019880013042 A KR 1019880013042A KR 880013042 A KR880013042 A KR 880013042A KR 890006687 A KR890006687 A KR 890006687A
Authority
KR
South Korea
Prior art keywords
polyol
polyurethane foam
rigid polyurethane
isocyanic acid
propylene oxide
Prior art date
Application number
KR1019880013042A
Other languages
Korean (ko)
Other versions
KR910008320B1 (en
Inventor
레이시 나까
가즈요시 구로이시
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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 미다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR890006687A publication Critical patent/KR890006687A/en
Application granted granted Critical
Publication of KR910008320B1 publication Critical patent/KR910008320B1/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
    • 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

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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)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

내용 없음No content

Description

경질 폴리우레탄 포옴의 제조방법Method for producing rigid polyurethane foam

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (1)

발포제, 반응촉매 및 기포안정제의 존재하에서 폴리올 성분과 이소시안산 성분을 반응시키는 경질 폴리우레탄 포움의 제조방법에 있어서, 상기 폴링로 성분으로는(a) 슈크로즈에 프로필렌 산화물과 에틸렌 산화물을 첨가해서 얻은 폴리올 47~53wt％, (b) 프로필렌 글리콜에 프로필렌 산화물과 에틸렌 산화물을 첨가해서 얻은 폴리올 13~17wt％, (c) 디에탄올아민에 프로필렌 산화물을 첨가해서 얻은 폴리올 8~12wt％, (d) 톨릴렌디아민에 프로필렌 산화물과 에틸렌 산화물을 첨가해서 얻은 폴리올 23~27wt％를 함유하는 폴리올 혼합물을 사용하며, 상기 폴리올 혼합물의 평균 OH값은 380~410이고, 상기 이소시안산 성분으로는 (A) 폴리메틸렌폴리페닐디이소시안산 50~60wt％, (B) 슈크로즈 톨릴렌이소시안산 프리폴리머 40~50wt％를 함유하는 이소시안산 혼합물을 사용하며, 상기 이소시안산 혼합물의 평균 NCO％는 32~34로 되는 경질 폴리우레탄 포움의 제조방법.In the method for producing a rigid polyurethane foam in which a polyol component and an isocyanic acid component are reacted in the presence of a blowing agent, a reaction catalyst, and an air bubble stabilizer, the polling furnace component may be (a) adding propylene oxide and ethylene oxide to sucrose; 47-53 wt% of obtained polyol, (b) 13-17 wt% of polyol obtained by adding propylene oxide and ethylene oxide to propylene glycol, (c) 8-12 wt% of polyol obtained by adding propylene oxide to diethanolamine, (d) A polyol mixture containing 23 to 27 wt% of a polyol obtained by adding propylene oxide and ethylene oxide to tolylene diamine is used, wherein the average OH value of the polyol mixture is 380 to 410, and as the isocyanic acid component (A) Isocyanate mixture containing 50-60 wt% of polymethylene polyphenyl diisocyanic acid and 40-50 wt% of (B) sucrose tolylene isocyanic acid prepolymer is used, A method for producing a rigid polyurethane foam wherein the average NCO% of the isocyanic acid mixture is 32 to 34. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880013042A 1987-10-09 1988-10-06 Process for the preparation of rigid polyurethane foam KR910008320B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP253662/62 1987-10-09
JP62-253662 1987-10-09
JP62253662A JPH0196209A (en) 1987-10-09 1987-10-09 Production of rigid polyurethane foam

Publications (2)

Publication Number Publication Date
KR890006687A true KR890006687A (en) 1989-06-15
KR910008320B1 KR910008320B1 (en) 1991-10-12

Family

ID=17254436

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880013042A KR910008320B1 (en) 1987-10-09 1988-10-06 Process for the preparation of rigid polyurethane foam

Country Status (2)

Country Link
JP (1) JPH0196209A (en)
KR (1) KR910008320B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02284912A (en) * 1989-04-27 1990-11-22 Hitachi Ltd Rigid polyurethane foam and its production and thermal insulating material therefrom and refrigerator using same
DE19723193A1 (en) * 1997-06-03 1998-12-10 Bayer Ag Process for the production of closed-cell rigid polyurethane foams with low thermal conductivity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100124A (en) * 1982-11-30 1984-06-09 Asahi Oorin Kk Molding of rigid foam

Also Published As

Publication number Publication date
KR910008320B1 (en) 1991-10-12
JPH0196209A (en) 1989-04-14

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