KR910700303A - Method for producing skin layer foam - Google Patents

Method for producing skin layer foam Download PDF

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Publication number
KR910700303A
KR910700303A KR1019900702128A KR900702128A KR910700303A KR 910700303 A KR910700303 A KR 910700303A KR 1019900702128 A KR1019900702128 A KR 1019900702128A KR 900702128 A KR900702128 A KR 900702128A KR 910700303 A KR910700303 A KR 910700303A
Authority
KR
South Korea
Prior art keywords
polyol
skin layer
diisocyanate
layer foam
freon
Prior art date
Application number
KR1019900702128A
Other languages
Korean (ko)
Inventor
히로미찌 홋다
가즈오 미즈무라
가츠지 구리바야시
Original Assignee
원본미기재
다우 미츠비시 가세이 가부시끼가이샤
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 원본미기재, 다우 미츠비시 가세이 가부시끼가이샤 filed Critical 원본미기재
Publication of KR910700303A publication Critical patent/KR910700303A/en

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Classifications

    • 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
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • 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
    • 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
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0033—Foam properties having integral skins
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

내용 없음.No content.

Description

스킨층 발포체의 제조방법Method for producing skin layer foam

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

Claims (5)

주로 이소시아네이트와 폴리올로 이루어진 출발물질을, 출발물질의 전체 중량을 기준으로 3 내지 20 중량%의 프레온-기본 발포제의 존재하에서 40 내지 70℃에서 유지되는 밀폐 몰드에서 발포반응시켜 평균 밀도가 0.3 내지 0.9g/cm3인 스킨층 발포체를 제조하는 방법(여기서 NCO/OH 당량비는 1.15 내지 1.35범위이도록 조절된다).Starting materials consisting mainly of isocyanates and polyols were foamed in a closed mold maintained at 40 to 70 ° C. in the presence of 3 to 20% by weight of a freon-based blowing agent, based on the total weight of the starting material, and an average density of 0.3 to 0.9. A method of making a skin layer foam having g / cm 3 , wherein the NCO / OH equivalent ratio is adjusted to be in the range of 1.15 to 1.35. 제1항에 있어서, 이소시아네이트가 디페닐메탄 디이소시아네이트, 디페닐메탄 디이소시아네이트의 폴리올-및 카보디이미드-개질된 혼합물, 폴리디페닐메탄 디이소시아네이트 및 토릴렌 디이소시아네이트 중에서 선택되는 방법.The process of claim 1 wherein the isocyanate is selected from diphenylmethane diisocyanate, polyol- and carbodiimide-modified mixtures of diphenylmethane diisocyanate, polydiphenylmethane diisocyanate and toylene diisocyanate. 제1항에 있어서, 폴리올이 폴리에테르 폴리올 및 스티렌과 아크릴로니트릴을 폴리에테르 폴리올로 그라프트-중합반응시켜 수득한 중합체 폴리올 중에서 선택되는 방법.The process of claim 1 wherein the polyol is selected from polyether polyols and polymer polyols obtained by graft-polymerization of styrene with acrylonitrile. 제3항에 있어서, 폴리올의 분자량이 3,000 내지 8.000인 방법.The method of claim 3 wherein the polyol has a molecular weight of 3,000 to 8.000. 제1항에 있어서, 프레온-기본 발포제가 트리클로로모노플루오로메탄, 모노클로로디플루오로메탄 및 디클로로디플루올메탄 중에서 선택되는 방법.2. The process of claim 1 wherein the freon-based blowing agent is selected from trichloromonofluoromethane, monochlorodifluoromethane and dichlorodifluolmethane. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900702128A 1989-01-26 1990-01-25 Method for producing skin layer foam KR910700303A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1017054A JPH02196813A (en) 1989-01-26 1989-01-26 Production of integral skin foam
JP01-017054 1989-01-26
PCT/JP1990/000087 WO1990008791A1 (en) 1989-01-26 1990-01-25 Process for preparing integral skin foam

Publications (1)

Publication Number Publication Date
KR910700303A true KR910700303A (en) 1991-03-14

Family

ID=11933280

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900702128A KR910700303A (en) 1989-01-26 1990-01-25 Method for producing skin layer foam

Country Status (4)

Country Link
JP (1) JPH02196813A (en)
KR (1) KR910700303A (en)
AU (1) AU4963690A (en)
WO (1) WO1990008791A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008012889A (en) * 2006-07-10 2008-01-24 Komatsu Ltd Interior panel of operating room and method for molding the same
CN104327244B (en) * 2014-11-12 2017-04-05 四川国鑫机械制造有限公司 Polyurethane pipe clamp valve core preparation technology

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1472647A (en) * 1965-03-26 1967-03-10 Upjohn Co Process for preparing urethane foams
GB1300476A (en) * 1969-10-10 1972-12-20 Jefferson Chem Co Inc Polyurethane foam
JPS61272221A (en) * 1985-05-28 1986-12-02 Achilles Corp Production of woodgrained polyurethane foam handle
US4994502A (en) * 1987-07-01 1991-02-19 Basf Corporation Process for the preparation of integral skin polyurethane steering wheels

Also Published As

Publication number Publication date
JPH02196813A (en) 1990-08-03
WO1990008791A1 (en) 1990-08-09
AU4963690A (en) 1990-08-24

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