NL140274B - PROCESS FOR THE MANUFACTURE OF POROUS ARTICLES FROM GRAINY NON-EXPANDABLE THERMOPLASTIC PLASTICS. - Google Patents

PROCESS FOR THE MANUFACTURE OF POROUS ARTICLES FROM GRAINY NON-EXPANDABLE THERMOPLASTIC PLASTICS.

Info

Publication number
NL140274B
NL140274B NL686812000A NL6812000A NL140274B NL 140274 B NL140274 B NL 140274B NL 686812000 A NL686812000 A NL 686812000A NL 6812000 A NL6812000 A NL 6812000A NL 140274 B NL140274 B NL 140274B
Authority
NL
Netherlands
Prior art keywords
grainy
manufacture
thermoplastic plastics
expandable thermoplastic
porous articles
Prior art date
Application number
NL686812000A
Other languages
Dutch (nl)
Other versions
NL6812000A (en
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 NL6812000A publication Critical patent/NL6812000A/xx
Publication of NL140274B publication Critical patent/NL140274B/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)
NL686812000A 1967-08-22 1968-08-22 PROCESS FOR THE MANUFACTURE OF POROUS ARTICLES FROM GRAINY NON-EXPANDABLE THERMOPLASTIC PLASTICS. NL140274B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL6812000A NL6812000A (en) 1969-02-25
NL140274B true NL140274B (en) 1973-11-15

Family

ID=7408166

Family Applications (1)

Application Number Title Priority Date Filing Date
NL686812000A NL140274B (en) 1967-08-22 1968-08-22 PROCESS FOR THE MANUFACTURE OF POROUS ARTICLES FROM GRAINY NON-EXPANDABLE THERMOPLASTIC PLASTICS.

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
BE719744A (en) 1969-02-21
GB1236100A (en) 1971-06-16
FR1581220A (en) 1969-09-12
NL6812000A (en) 1969-02-25
DE1704960B2 (en) 1973-01-25
AT312264B (en) 1973-12-27
CH470960A (en) 1969-04-15
DE1704960A1 (en) 1971-02-25

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: RUHRCHEMIE