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NO900363L - Ekspanderbare og ekspanderte plastmaterialer og fremgangsmaater for metallstoeping ved anvendelse av slike ekspanderte materialer i formstoept form. - Google Patents

Ekspanderbare og ekspanderte plastmaterialer og fremgangsmaater for metallstoeping ved anvendelse av slike ekspanderte materialer i formstoept form.

Info

Publication number
NO900363L
NO900363L NO90900363A NO900363A NO900363L NO 900363 L NO900363 L NO 900363L NO 90900363 A NO90900363 A NO 90900363A NO 900363 A NO900363 A NO 900363A NO 900363 L NO900363 L NO 900363L
Authority
NO
Norway
Prior art keywords
expanded
materials
expandable
procedures
casted
Prior art date
Application number
NO90900363A
Other languages
English (en)
Other versions
NO900363D0 (no
Inventor
Norman Glenn Moll
David Richard Johnson
Original Assignee
Dow Chemical Co
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 PCT/US1987/001840 external-priority patent/WO1988000865A1/en
Priority claimed from PCT/US1988/000433 external-priority patent/WO1989001010A1/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of NO900363D0 publication Critical patent/NO900363D0/no
Publication of NO900363L publication Critical patent/NO900363L/no

Links

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
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02—Lost patterns
    • B22C7/023—Patterns made from expanded plastic materials
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • 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
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
NO90900363A 1987-07-28 1990-01-26 Ekspanderbare og ekspanderte plastmaterialer og fremgangsmaater for metallstoeping ved anvendelse av slike ekspanderte materialer i formstoept form. NO900363L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/US1987/001840 WO1988000865A1 (en) 1986-07-28 1987-07-28 Methods for preparing a formed cellular plastic material pattern employed in metal casting
US07/149,288 US4790367A (en) 1986-07-28 1988-01-28 Methods for preparing a formed cellular plastic material pattern employed in metal casting
PCT/US1988/000433 WO1989001010A1 (en) 1987-07-28 1988-02-11 Expandable and expanded plastics material compositions and methods for casting metal castings employing such expanded compositions in molded form

Publications (2)

Publication Number Publication Date
NO900363D0 NO900363D0 (no) 1990-01-26
NO900363L true NO900363L (no) 1990-03-26

Family

ID=22529584

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90900363A NO900363L (no) 1987-07-28 1990-01-26 Ekspanderbare og ekspanderte plastmaterialer og fremgangsmaater for metallstoeping ved anvendelse av slike ekspanderte materialer i formstoept form.

Country Status (6)

Country Link
US (1) US4983640A (no)
JP (1) JPH02501660A (no)
KR (1) KR890701671A (no)
AU (1) AU624326B2 (no)
GR (1) GR890300187T1 (no)
NO (1) NO900363L (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053437A (en) * 1990-02-06 1991-10-01 The Dow Chemical Company Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials
JPH05112665A (ja) 1991-03-20 1993-05-07 Hitachi Chem Co Ltd 発泡性樹脂組成物、これを用いた熱可塑性発泡模型及び金属鋳造物の製造法
EP3075770A1 (de) * 2015-03-31 2016-10-05 Evonik Röhm GmbH Herstellung feinporiger pmma-schäume mittels verwendung von nukleierungsmitteln
CN114042858B (zh) * 2021-11-19 2024-05-10 桂林中铸机械科技有限公司 高强度消失模空腔无碳铸型随铸件冷却自行溃散的方法
CN117920985B (zh) * 2024-03-20 2024-06-11 成都新航工业科技股份有限公司 用于铸造石膏型熔模的熔液转运方法及装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615972A (en) * 1967-04-28 1971-10-26 Dow Chemical Co Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same
GB1357038A (en) * 1970-12-28 1974-06-19 Sekisui Chemical Co Ltd Photodegradable polymer compositions
US3960787A (en) * 1971-10-25 1976-06-01 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for preparing foamable synthetic resin granules
JPS5121037B2 (no) * 1971-10-29 1976-06-29
US4080344A (en) * 1974-03-28 1978-03-21 Sekisui Kaseihin Kogyo Kabushiki Kaisha Process for the production of expandable ethylenically unsaturated polymer particles
JPS50127969A (no) * 1974-03-29 1975-10-08
JPS597729B2 (ja) * 1979-03-19 1984-02-20 鐘淵化学工業株式会社 発泡性熱可塑性樹脂粒子の製造法
JPS57182334A (en) * 1981-05-02 1982-11-10 Badische Yuka Co Ltd Production of foamable polymethyl methacrylate copolymer particle
US4528300A (en) * 1984-01-31 1985-07-09 The Dow Chemical Company Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems
US4563481A (en) * 1984-07-25 1986-01-07 The Dow Chemical Company Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor
JPH0670153B2 (ja) * 1985-09-09 1994-09-07 鐘淵化学工業株式会社 ビーズ発泡成形用発泡性塩化ビニル系樹脂粒子
BR8707403A (pt) * 1986-07-28 1988-09-13 Dow Chemical Co Metodos para preparar um padrao de material plastico celular formado empregado em fundicao de metal
AU1163588A (en) * 1987-02-11 1988-08-18 Dow Chemical Company, The Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials
US4798749A (en) * 1988-04-25 1989-01-17 Arco Chemical Company Isopentane as blowing agent to improve coffee retention in foam cups molded from expandable polystrene

Also Published As

Publication number Publication date
NO900363D0 (no) 1990-01-26
US4983640A (en) 1991-01-08
KR890701671A (ko) 1989-12-21
JPH02501660A (ja) 1990-06-07
AU1428988A (en) 1989-03-01
AU624326B2 (en) 1992-06-11
GR890300187T1 (en) 1990-10-31

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