FR2251595B3 - - Google Patents

Info

Publication number
FR2251595B3
FR2251595B3 FR7440913A FR7440913A FR2251595B3 FR 2251595 B3 FR2251595 B3 FR 2251595B3 FR 7440913 A FR7440913 A FR 7440913A FR 7440913 A FR7440913 A FR 7440913A FR 2251595 B3 FR2251595 B3 FR 2251595B3
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7440913A
Other versions
FR2251595A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2251595A1 publication Critical patent/FR2251595A1/fr
Application granted granted Critical
Publication of FR2251595B3 publication Critical patent/FR2251595B3/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • 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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
FR7440913A 1973-11-21 1974-12-12 Expired FR2251595B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3148573A IT1001838B (it) 1973-11-21 1973-11-21 Procedimento e apparecchiatura per la preparazione di strutture polimeriche microporose e prodotti cosi ottenuti

Publications (2)

Publication Number Publication Date
FR2251595A1 FR2251595A1 (fr) 1975-06-13
FR2251595B3 true FR2251595B3 (fr) 1977-09-16

Family

ID=11233670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440913A Expired FR2251595B3 (fr) 1973-11-21 1974-12-12

Country Status (7)

Country Link
JP (1) JPS5094077A (fr)
DE (1) DE2453681A1 (fr)
ES (1) ES431604A1 (fr)
FR (1) FR2251595B3 (fr)
GB (1) GB1489431A (fr)
IT (1) IT1001838B (fr)
NL (1) NL7415231A (fr)

Also Published As

Publication number Publication date
DE2453681A1 (de) 1975-05-22
IT1001838B (it) 1976-04-30
JPS5094077A (fr) 1975-07-26
ES431604A1 (es) 1976-10-16
FR2251595A1 (fr) 1975-06-13
GB1489431A (en) 1977-10-19
NL7415231A (nl) 1975-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse