KR920701292A - Rigid polyurethane foam with low thermal conductivity - Google Patents

Rigid polyurethane foam with low thermal conductivity

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Publication number
KR920701292A
KR920701292A KR1019910701424A KR910701424A KR920701292A KR 920701292 A KR920701292 A KR 920701292A KR 1019910701424 A KR1019910701424 A KR 1019910701424A KR 910701424 A KR910701424 A KR 910701424A KR 920701292 A KR920701292 A KR 920701292A
Authority
KR
South Korea
Prior art keywords
rigid
polyol
polyurethane
weight
factor
Prior art date
Application number
KR1019910701424A
Other languages
Korean (ko)
Inventor
더블유.턱커 벤자민
데쿠머 베터커쥐
Original Assignee
리챠드 지. 워터맨
더 다우 케미칼 캄파니
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
Priority claimed from US07/482,380 external-priority patent/US5008299A/en
Priority claimed from US07/638,858 external-priority patent/US5169877A/en
Application filed by 리챠드 지. 워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 지. 워터맨
Publication of KR920701292A publication Critical patent/KR920701292A/en

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Abstract

내용 없음No content

Description

열전도도가 낮은 경질 폴리우레탄 발포체Rigid polyurethane foam with low thermal conductivity

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

Claims (7)

발포체 형성 조건하에서 방향족 폴리이소시아네이트와 (a) 폴리에스테르 폴리올 및 (b) (a) 와 (b)를 합한 중량을 기준으로 5 내지 80중량%의 가교결합 지방족 폴리에테르 폴리올을 포함하는 다가 혼합물을 함께 브리징시켜 제조한 성분(b)대신 동량의 가교결합 폴리올을 사용하는 외에는 동일한 방법으로 제조한 발포체의 초기 단열 K인자보다 적은 일관되게 약 0.004 BTU-in/hr ft2℉(0.023W/m2K)인 초기 단열 K인자를 갖는 경질 독립 기포 폴리우레탄.Under foam forming conditions, a multivalent mixture comprising aromatic polyisocyanate and (a) polyester polyol and (b) 5 to 80% by weight of crosslinked aliphatic polyether polyol, based on the combined weight of (a) and (b) Consistently less than about 0.004 BTU-in / hr ft 2 F (0.023 W / m 2 K) less than the initial thermal K factor of foams prepared in the same manner, except using the same amount of crosslinked polyols instead of bridging component (b) Rigid independent foamed polyurethane with initial thermal insulation K factor. 제1항에 있어서, 가교-결합 폴리올(b)가 3.5 내지 8의 작용가 및 70 내지 23의 당량을 갖는 경질 독립기포 폴리우레탄.2. The rigid free-opening polyurethane of claim 1, wherein the cross-linked polyol (b) has a functionality of 3.5 to 8 and an equivalent of 70 to 23. 제1항에 있어서, 가교-결합 폴리올(b)가 (a)와 (b)의 다가배합물의 5 내지 60중량%를 포함하는 경질독립기포 폴리우레탄.The hard independent foamed polyurethane according to claim 1, wherein the cross-linked polyol (b) comprises 5 to 60% by weight of the multivalent compound of (a) and (b). 제1항에 있어서, 폴리에스테르 폴리올(a)가 2내지 4의 평균 작용가 및 250 내지 1,500의 평균 분자량을 갖는 경질 독립기포 폴리우레탄.2. The rigid free cell polyurethane of claim 1, wherein the polyester polyol (a) has an average functionality of 2-4 and an average molecular weight of 250-1,500. 제1항에 있어서, 폴리이소시아네이트가 폴리메틸렌폴리(페닐이소시아네이트) 및 톨루엔 디이소시아네이트 준 예비 중합체와 이의 혼합물로 이루어진 그룹중에서 선택되는 경질 독립기포 폴리우레탄.The rigid, self-contained polyurethane of claim 1, wherein the polyisocyanate is selected from the group consisting of polymethylenepoly (phenylisocyanate) and toluene diisocyanate quasi prepolymers and mixtures thereof. 제1항에 있어서, 폴리이소시아네이트대 다가 배합물의 총체적인 비율이 NOC:OH의 비가 0.90 내지 1.15:1의 범위가 되도록 하는 경질 독립기포 폴리우레탄.The rigid, self-contained polyurethane of claim 1, wherein the overall ratio of polyisocyanate to polyvalent blend is such that the ratio of NOC: OH ranges from 0.90 to 1.15: 1. 발포체 형성 조건하에서 방향족 폴리이소시아네이트와 (a) 폴리에스테르 폴리올 및 (b)(a)와 (b)를 합한 중량을 기준으로 5 내지 80중량%의 가교결합 지방족 폴리에테르 폴리올을 포함하는 다가 혼합물을 함께 브리징시킴을 특징으로 하여, 성분(b) 대신 동량의 가교결합 폴리올을 사용하는 외에는 동일한 방법으로 제조한 발포체의 초기단열 K인자보다 적은 일관되게 약 0.004 BTU-in/hr ft2℉(0.023W/m2K)인 초기 단열 K 인자를 갖는 경질 독립 기포 폴리우레탄을 제조하는 방법.Under a foam forming condition, a multivalent mixture comprising aromatic polyisocyanate and (a) polyester polyol and 5 to 80% by weight of crosslinked aliphatic polyether polyol based on the combined weight of (b) (a) and (b) together Characterized by bridging, consistently less than about 0.004 BTU-in / hr ft 2 ° F (0.023 W / F), less than the initial thermal K-factor of the foam prepared in the same manner, except that an equal amount of crosslinked polyol is used instead of component (b). A process for producing a rigid independent foamed polyurethane having an initial adiabatic K factor of m 2 K). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910701424A 1990-02-20 1991-01-10 Rigid polyurethane foam with low thermal conductivity KR920701292A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/482,380 US5008299A (en) 1988-12-09 1990-02-20 Rigid polyurethane foams with low thermal conductivities
US07/482380 1990-02-20
US07/638,858 US5169877A (en) 1988-12-09 1991-01-08 Rigid polyurethane foams with low thermal conductivities
PCT/US1991/000210 WO1991013110A1 (en) 1990-02-20 1991-01-10 Rigid polyurethane foams with low thermal conductivities

Publications (1)

Publication Number Publication Date
KR920701292A true KR920701292A (en) 1992-08-11

Family

ID=67482360

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701424A KR920701292A (en) 1990-02-20 1991-01-10 Rigid polyurethane foam with low thermal conductivity

Country Status (1)

Country Link
KR (1) KR920701292A (en)

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