KR840003049A - 주형 또는 코어의 제조방법 - Google Patents

주형 또는 코어의 제조방법 Download PDF

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Publication number
KR840003049A
KR840003049A KR1019830000181A KR830000181A KR840003049A KR 840003049 A KR840003049 A KR 840003049A KR 1019830000181 A KR1019830000181 A KR 1019830000181A KR 830000181 A KR830000181 A KR 830000181A KR 840003049 A KR840003049 A KR 840003049A
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South Korea
Prior art keywords
resin
ester
weight
curing
average molecular
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KR1019830000181A
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English (en)
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KR900000387B1 (ko
Inventor
허어버트 리챠아드 브라이언 레몬 피이터 (외 3)
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레너드 더글라스 허친슨
보어덴(유우케이)리미팃드
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Application filed by 레너드 더글라스 허친슨, 보어덴(유우케이)리미팃드 filed Critical 레너드 더글라스 허친슨
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2246—Condensation polymers of aldehydes and ketones
    • B22C1/2253—Condensation polymers of aldehydes and ketones with phenols
    • 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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
    • 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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C08L61/14—Modified phenol-aldehyde condensates

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mold Materials And Core Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

내용 없음

Description

주형 또는 코어의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

1) a)평균 분자량 (Mw)이 700-2000이고,
b)포름알데히드: 페놀의 몰비가 1.2:1내지 2.6:1이며
c)KOH: 페놀의 몰비가 0.5: 1내지 1.2:1인 칼륨알카리 페놀포름데히드수지를 갖고 고체함량이 50-75중량%인 수용액을 과립상 내화물질중 0.25-2.5중량% 함유하고,
2)수지용액중 적어도 하나의 실란 0.05-3중량%를 함유하고
3)수지의 경화를 촉진시키는 적어도 하나의 에스테르를 수지용액중 20-110중량% 함유하는 결합제를 과립상 내화물질과 혼합한 다음, 결합제중에서의 수지경화에 의해 그 혼합물을 경화하는 것을 특징으로 하는 주형 또는 코어의 제조방법.
제1항에 있어서, 내화물질이 실리카모래, 수정, 크롬철광모래, 지르콘, 감람석모래, 조개껍질조각을 함유하는 바다모래 또는 이들의 혼합물인 것을 특징으로 하는 방법.
제1항 또는 2항에 있어서, 수지의 평균 분자량이 800-1700인 것을 특징으로 하는 방법.
제3항에 있어서,수지의 평균 분자량이 950-1700인 것을 특징으로 하는 방법.
제1항내지 4항중 어느하나에 있어서,수지중 KOH: 페놀의 몰비가 0.6:1내지 1.2:1인 것을 특징으로 하는 방법.
제1항내지 5항중 어느하나에 있어서, 에스테르 경화제가 수지용액기준으로 25-40중량% 존재하는 것을 특징으로 하는 방법.
제1항내지 6항중 어느하나에 있어서, 에스테르가 γ-무티로락톤 및 ε-카프로락톤으로 부터 선정되는 것을 특징으로 하는 방법.
제1항내지 6항중 어느하나에 있어서, 에스테르가 탄소수 1-10을 갖는 알킬모노 또는 다가 알콜과 탄소수 1-10을 갖는 카르복실산과의 에스테르인 것을 특징으로 하는 방법.
제8항에 있어서, 에스테르가 글리세롤 트리아세테이트인 것을 특징으로 하는 방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830000181A 1982-01-21 1983-01-19 주조용 주형 및 코어의 제조방법 KR900000387B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1668 1968-01-01
GB8201668 1982-01-21
GB8201668 1982-01-21

Publications (2)

Publication Number Publication Date
KR840003049A true KR840003049A (ko) 1984-08-13
KR900000387B1 KR900000387B1 (ko) 1990-01-25

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ID=10527765

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KR1019830000181A KR900000387B1 (ko) 1982-01-21 1983-01-19 주조용 주형 및 코어의 제조방법

Country Status (15)

Country Link
US (1) US4474904A (ko)
EP (1) EP0085512B1 (ko)
JP (3) JPS58154433A (ko)
KR (1) KR900000387B1 (ko)
AT (1) ATE12358T1 (ko)
AU (1) AU556465B2 (ko)
BR (1) BR8206407A (ko)
CA (1) CA1219985A (ko)
DE (1) DE3360081D1 (ko)
ES (1) ES519132A0 (ko)
IN (1) IN158696B (ko)
MY (1) MY8600491A (ko)
NO (1) NO824269L (ko)
SG (1) SG100485G (ko)
ZA (1) ZA829553B (ko)

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Publication number Publication date
JPH0532864A (ja) 1993-02-09
BR8206407A (pt) 1983-09-27
KR900000387B1 (ko) 1990-01-25
EP0085512A1 (en) 1983-08-10
JPS6143132B2 (ko) 1986-09-26
JPH0368062B2 (ko) 1991-10-25
CA1219985A (en) 1987-03-31
JP3348287B2 (ja) 2002-11-20
NO824269L (no) 1983-07-22
JPS6440136A (en) 1989-02-10
US4474904A (en) 1984-10-02
ZA829553B (en) 1983-09-28
AU1068483A (en) 1983-07-28
SG100485G (en) 1986-07-18
MY8600491A (en) 1986-12-31
ES8405297A1 (es) 1984-06-01
ES519132A0 (es) 1984-06-01
JPS58154433A (ja) 1983-09-13
IN158696B (ko) 1987-01-03
DE3360081D1 (en) 1985-05-02
AU556465B2 (en) 1986-11-06
ATE12358T1 (de) 1985-04-15
EP0085512B1 (en) 1985-03-27

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