KR900015855A - 연마 휠 - Google Patents

연마 휠 Download PDF

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Publication number
KR900015855A
KR900015855A KR1019900004610A KR900004610A KR900015855A KR 900015855 A KR900015855 A KR 900015855A KR 1019900004610 A KR1019900004610 A KR 1019900004610A KR 900004610 A KR900004610 A KR 900004610A KR 900015855 A KR900015855 A KR 900015855A
Authority
KR
South Korea
Prior art keywords
average
active hydrogen
molecular weight
functionality
polymerizable mixture
Prior art date
Application number
KR1019900004610A
Other languages
English (en)
Inventor
스텐리 모렌 루이스
Original Assignee
도날드 밀러 셀
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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 도날드 밀러 셀, 미네소타 마이닝 앤드 매뉴팩츄어링 컴패니 filed Critical 도날드 밀러 셀
Publication of KR900015855A publication Critical patent/KR900015855A/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • 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
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/69—Polymers of conjugated dienes
    • C08G18/698—Mixtures with compounds of group C08G18/40
    • 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
    • C08G18/6576—Compounds of group C08G18/69
    • 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
    • C08G18/83—Chemically modified polymers
    • C08G18/86—Chemically modified polymers by peroxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
    • C09K3/1021—Polyurethanes or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2003/1034—Materials or components characterised by specific properties
    • C09K2003/1053—Elastomeric materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0645—Macromolecular organic compounds, e.g. prepolymers obtained otherwise than by reactions involving carbon-to-carbon unsaturated bonds
    • C09K2200/0652—Polyisocyanates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

내용 없음.

Description

연마 휠
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. (a)(i) 약 400이하의 평균 분자량 및 약 2내지 8의 평균 활성 수소작용도를 지니는 단쇄의 활성 수소 작용성 단량체, (ii) 약 400내지 25,000의 평균 분자량 및 약 2내지 4의 평균 활성 수소 작용도를 지니는 장쇄의 활성수소 작용성 디엔프레폴리머, (iii) 약 2내지 4의 평균 이소시아네이트 작용도를 지니는 폴리이소시아네이트, 및 (iv) 서로 근접하는 디엔 프레폴리머 잔기들상의 분포화 부위들 사이에 가교를 유발하는 가교개시제를 포함하는, 용매 유리 중합성 혼합물의 중합성 반응 생성물로 구성되며, 상기 반응 생성물은 경화시 적어도 약 10℃의 유리전이 온도 및 적어도 약 70℃의 유리 전이 온도 범위를 지니는 스미어 저항성의 탄성 가교화 폴리우레탄 결합제 매트릭스; 및 (b) 상기 폴러우레탄 결합제 매트릭스내에 분산 및 부착되는 연마물질의 입자들을 포함하는 성형연마제품.
  2. 제1항에 있어서, 상기 가교개시제는 퍼옥사이드 자유라디칼 개시제인 성형연마 제품
  3. 제1항에 있어서, 상기 중합성 혼합물은 발포제를 또한 포함하는 성형 연마제품.
  4. 제3항에 있어서, 상기 발포제는 물을 포함하는 성형연마제품.
  5. 제1항에 있어서, 연마물질의 입자 대 결합제 매트릭스의 중량비는 약 0.5:1 내지 5.5:1인 성형연마제품.
  6. 제1항에 있어서, 상기 중합성 혼합물이 (Ⅰ) 약 200이하의 평균 분자량 및 약 2 내지 3의 평균 활성 수소 작용도를 지니는 단쇄의 활성수소작용성 단량체, (Ⅱ) 약 1000 내지 5000의 평균 분자량 및 약 2내지 3의 평균 활성수소 작용도를 지니는 장쇄의 활성수소 작용성디엔 프레폴리머, (Ⅲ) 약 2.0 내지 2.3의 평균 이소시아네이트 작용도를 지니는 폴리이소시아네이트, (Ⅳ) 퍼옥사이드 자유 라디칼 개시제, 및 (Ⅴ) 약 500 내지 4000의 평균 분자량 및 약 2 내지 4의 평균활성수소 작용도를 지니는 장쇄의 환성수소 작용성 포화 프레폴리머를 포함하는 성형연마제품.
  7. 제6항에 있어서, 상기 중합성 혼합물은 또한 발포제틀 포함하는 성형 연마제품.
  8. 제6항에 있어서, 약 1.2 내지 2.5g/㎠의 밀도를 지니는 성형 연마제품.
  9. 제7항에 있어서, 약 0.5내지 1.5g/㎠의 밀도를 지니는 성형 연마제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900004610A 1989-04-06 1990-04-04 연마 휠 KR900015855A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US333,036 1989-04-06
US07/333,036 US4933373A (en) 1989-04-06 1989-04-06 Abrasive wheels

Publications (1)

Publication Number Publication Date
KR900015855A true KR900015855A (ko) 1990-11-10

Family

ID=23300986

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900004610A KR900015855A (ko) 1989-04-06 1990-04-04 연마 휠

Country Status (9)

Country Link
US (1) US4933373A (ko)
EP (1) EP0400783B1 (ko)
JP (1) JP2804816B2 (ko)
KR (1) KR900015855A (ko)
BR (1) BR9001578A (ko)
CA (1) CA2011443A1 (ko)
DE (1) DE69009861T2 (ko)
ES (1) ES2056376T3 (ko)
MX (1) MX166758B (ko)

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JP6066549B2 (ja) * 2011-10-19 2017-01-25 スリーエム イノベイティブ プロパティズ カンパニー 研磨物品及びその製造方法
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JP6367887B2 (ja) * 2016-10-21 2018-08-01 スリーエム イノベイティブ プロパティズ カンパニー 研磨物品及びその製造方法
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Also Published As

Publication number Publication date
EP0400783B1 (en) 1994-06-15
US4933373A (en) 1990-06-12
JP2804816B2 (ja) 1998-09-30
MX166758B (es) 1993-02-02
CA2011443A1 (en) 1990-10-06
JPH02294336A (ja) 1990-12-05
BR9001578A (pt) 1991-04-30
ES2056376T3 (es) 1994-10-01
EP0400783A1 (en) 1990-12-05
DE69009861D1 (de) 1994-07-21
DE69009861T2 (de) 1994-12-08

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