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CH470960A - Process for the production of porous molded parts - Google Patents

Process for the production of porous molded parts

Info

Publication number
CH470960A
CH470960A CH1172168A CH1172168A CH470960A CH 470960 A CH470960 A CH 470960A CH 1172168 A CH1172168 A CH 1172168A CH 1172168 A CH1172168 A CH 1172168A CH 470960 A CH470960 A CH 470960A
Authority
CH
Switzerland
Prior art keywords
production
molded parts
porous molded
porous
parts
Prior art date
Application number
CH1172168A
Other languages
German (de)
Inventor
Gerd Dipl Ing Weber
Josef Dipl Ing Hibbel
Volkmar Dipl Ing Schmidt
Original Assignee
Ruhrchemie Ag
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 Ruhrchemie Ag filed Critical Ruhrchemie Ag
Publication of CH470960A publication Critical patent/CH470960A/en

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
    • C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C67/205—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 surface fusion, and bonding of particles to form voids, e.g. sintering
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

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)
CH1172168A 1967-08-22 1968-08-05 Process for the production of porous molded parts CH470960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER0046754 1967-08-22

Publications (1)

Publication Number Publication Date
CH470960A true CH470960A (en) 1969-04-15

Family

ID=7408166

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1172168A CH470960A (en) 1967-08-22 1968-08-05 Process for the production of porous molded parts

Country Status (6)

Country Link
AT (1) AT312264B (en)
BE (1) BE719744A (en)
CH (1) CH470960A (en)
FR (1) FR1581220A (en)
GB (1) GB1236100A (en)
NL (1) NL140274B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922376C2 (en) * 1979-06-01 1983-12-08 Chemische Fabrik Pfersee Gmbh, 8900 Augsburg Method and means for softening textile material
FR2868729B1 (en) * 2004-04-09 2006-07-14 Manuf Des Brosses Du Marais Po METHOD FOR MANUFACTURING WASH BRUSHES OF VEHICLES, HAIRS OBTAINED THEREBY AND BRUSHES MADE OF SUCH HAIR

Also Published As

Publication number Publication date
DE1704960B2 (en) 1973-01-25
AT312264B (en) 1973-12-27
GB1236100A (en) 1971-06-16
NL6812000A (en) 1969-02-25
NL140274B (en) 1973-11-15
FR1581220A (en) 1969-09-12
BE719744A (en) 1969-02-21
DE1704960A1 (en) 1971-02-25

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Legal Events

Date Code Title Description
PL Patent ceased