KR930019787A - Water-dilutable two-component coatings, preparation methods thereof and uses thereof - Google Patents

Water-dilutable two-component coatings, preparation methods thereof and uses thereof Download PDF

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Publication number
KR930019787A
KR930019787A KR1019930004464A KR930004464A KR930019787A KR 930019787 A KR930019787 A KR 930019787A KR 1019930004464 A KR1019930004464 A KR 1019930004464A KR 930004464 A KR930004464 A KR 930004464A KR 930019787 A KR930019787 A KR 930019787A
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South Korea
Prior art keywords
component
groups
molecular weight
polyisocyanate
different
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KR1019930004464A
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Korean (ko)
Inventor
슈바프 미카엘
프랑크 우도
발츠 게르트
Original Assignee
베른하르트 엠. 벡크, 칼-헤르만 마이어-둘호이어
훽스트 아크티엔게젤샤프트
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Application filed by 베른하르트 엠. 벡크, 칼-헤르만 마이어-둘호이어, 훽스트 아크티엔게젤샤프트 filed Critical 베른하르트 엠. 벡크, 칼-헤르만 마이어-둘호이어
Publication of KR930019787A publication Critical patent/KR930019787A/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

본 발명은a) 유기 폴리이소시아네이트 하나 이상을 포함하는 폴리이소시아네이트 성분 및b), 1, (A) 폴리이소시아네이트를 (B) 평균 분자량(Mn)이 400이상인 폴리올, (C) 임의로 저분자량의 폴리올 및 (D) 이소시아네이트 그룹에 대해 반응성이 있는 2개 이상의 그룹 및 음이온을 형성할 수 있는 하나 이상의 그룹을 갖는 화합물과 반응시켜 유리 NCO 그룹을 함유하는 예비중합체를 수득하고, 2. 단계 1에서 수득된 예비중합체를 (E) 이소시아네이트 그룹에 대해 반응성이 있는 추가의 그룹을 함유하지 않는 저분자량의 폴리올(이들 화합물은 과량으로 사용된다). (F) 일작용성이거나 반응성이 상이한 활성 수소를 함유하고 성분(E)와는 상이한 화합물 및 임의로 (G), (B), (C), (D), (E) 및 (F)의 성분들과 상이하고 NCO 그룹과 반응하는 2개 이상의 그룹을 함유하는 화합물과 같은 하나 이상의 성분과 반응시켜 제조한 폴리우레탄 수지를 포함하는 수-희석가능한 2-성분 피복제에 관한 것이다.The present invention relates to a polyisocyanate component comprising at least one organic polyisocyanate and b), 1, (A) a polyisocyanate, (B) a polyol having an average molecular weight (Mn) of at least 400, (C) optionally a low molecular weight polyol and (D) reacting with a compound having at least two groups reactive to isocyanate groups and at least one group capable of forming anions to give a prepolymer containing free NCO groups, and 2. the preliminary obtained in step 1 Low molecular weight polyols in which the polymer does not contain additional groups reactive with (E) isocyanate groups (these compounds are used in excess). (F) a compound containing active hydrogen which is monofunctional or different in reactivity and different from component (E) and optionally the components of (G), (B), (C), (D), (E) and (F) A water-dilutable two-component coating comprising a polyurethane resin prepared by reacting with at least one component, such as a compound which is different from and contains at least two groups which react with the NCO group.

Description

수-희석가능한 2-성분 피복제, 이의 제조방법 및 이의 용도Water-dilutable two-component coatings, preparation methods thereof and uses thereof

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

Claims (3)

(a) 유기 폴리이소시아네이트 하나 이상을 포함하는 폴리이소시아네이트 성분 및 b), (1), (A) 폴리이소시아네이트를 (B) 평균 분자량(Mn)이 400이상인 폴리올, (C) 임의로 저분자량의 폴리올 및 (D) 이소시아네이트 그룹에 대해 반응성이 있는 2개 이상의 그룹 및 음이온을 형성할 수 있는 하나 이상의 그룹을 갖는 화합물과 반응시켜 유리 NCO 그룹을 함유하는 예비중합체를 수득하고, (2) 단계 (1)에서 수득된 예비중합체를 (E) 이소시아네이트 그룹에 대해 반응성이 있는 추가의 그룹을 함유하지 않는 저분자량의 폴리올(이들 화합물은 과량으로 사용된다). (F) 일작용성이거나 반응성이 상이한 활성 수소를 함유하고 성분(E)와는 상이한 화합물 및 임의로 (G), (B), (C), (D), (E) 및 (F)의 성분들과 상이하고 NCO 그룹과 반응하는 2개 이상의 그룹을 함유하는 화합물과 같은 하나 이상의 성분과 반응시켜 제조한 폴리우레탄 수지를 포함하는 수-희석가능한 2-성분 피복제.(a) a polyisocyanate component comprising at least one organic polyisocyanate and b), (1), (A) a polyisocyanate, (B) a polyol having an average molecular weight (Mn) of at least 400, (C) optionally a low molecular weight polyol and (D) reacting with a compound having at least two groups reactive to isocyanate groups and at least one group capable of forming anions to give a prepolymer containing free NCO groups, (2) in step (1) The prepolymer obtained is a low molecular weight polyol which does not contain additional groups reactive with (E) isocyanate groups (these compounds are used in excess). (F) a compound containing active hydrogen which is monofunctional or different in reactivity and different from component (E) and optionally the components of (G), (B), (C), (D), (E) and (F) A water-dilutable two-component coating comprising a polyurethane resin prepared by reacting with at least one component, such as a compound that is different from and contains two or more groups that react with the NCO group. (1) (A) 폴리이소시아네이트를 (B) 평균 분자량(Mn)이 400이상인 폴리올, (C)임의로 저분자량의 폴리올 및 (D) 이소시아네이트 그룹에 대해 반응성이 있는 2개 이상의 그룹 및 음이온을 형성할 수 있는 하나 이상의 그룹을 갖는 화합물과 반응시켜 유리 NCO 그룹을 함유하는 예비중합체를 수득하고, (2) 단계 (1)에서 수득된 예비중합체를 (E) 이소시아네이트 그룹에 대해 반응성이 있는 추가의 그룹을 함유하지 않는 저분자량의 폴리올(이들 화합물은 과량으로 사용된다). (F) 일작용성이거나 반응성이 상이한 활성 수소를 함유하고 성분(E)와는 상이한 화합물 및 임의로 (G), (B), (C), (D), (E) 및 (F)의 성분들과 상이하고 NCO 그룹과 반응하는 2개 이상의 그룹을 함유하는 화합물과 같은 하나 이상의 성분과 반응시켜 활성 수소를 함유하는 폴리우레탄 수지를 수득하고, (3) 수득한 폴리우레탄 수지를 물에 분산 또는 용해 시키고, 임의로 보조제 및 첨가제를 가하고, (4) OH에 대한 NCO의 당량비에 상응하는 이소시아네이트 성분에 대한 수지의 정량비가, 폴리이소시아네이트 성분중의 이소시아네이트 그룹 및 수지 성분중에 혼입된 OH 하이드록실 그룹을 기준으로 하여 0.5 : 1 내지 5:1인, 하나 이상의 유기 폴리이소시아네이트 이루어진 폴리이소시아네이트 성분을 상기 용액 또는 분산액 중에서 유화시킴을 특징으로 하여, 제1항에 따른 피복제를 제조하는 방법.(1) to form (A) a polyisocyanate with (B) a polyol having an average molecular weight (Mn) of at least 400, (C) optionally two or more groups and anions reactive with low molecular weight polyols and (D) isocyanate groups Reacting with a compound having at least one group to obtain a prepolymer containing free NCO groups, and (2) adding the prepolymer obtained in step (1) to (E) an isocyanate group Low molecular weight polyols that do not contain (these compounds are used in excess). (F) a compound containing active hydrogen which is monofunctional or different in reactivity and different from component (E) and optionally the components of (G), (B), (C), (D), (E) and (F) Reacting with at least one component such as a compound containing at least two groups different from and reacting with an NCO group to obtain a polyurethane resin containing active hydrogen, and (3) dispersing or dissolving the obtained polyurethane resin in water. And optionally adding auxiliaries and additives, and (4) the quantitative ratio of the resin to the isocyanate component corresponding to the equivalent ratio of NCO to OH is based on the isocyanate group in the polyisocyanate component and the OH hydroxyl group incorporated in the resin component. Characterized in that the polyisocyanate component consisting of at least one organic polyisocyanate, which is from 0.5: 1 to 5: 1, is emulsified in said solution or dispersion. Method of making the coating. 피복물을 제조하기 위한 제1항에 따른 피복제의 용도.Use of a coating according to claim 1 for producing a coating. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930004464A 1992-03-25 1993-03-23 Water-dilutable two-component coatings, preparation methods thereof and uses thereof KR930019787A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4209677.4 1992-03-25
DE4209677 1992-03-25

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KR930019787A true KR930019787A (en) 1993-10-18

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