IT1013015B - Procedimento e dispositivo per l aumento della percentuale di celle aberie in schiume di poli meri - Google Patents

Procedimento e dispositivo per l aumento della percentuale di celle aberie in schiume di poli meri

Info

Publication number
IT1013015B
IT1013015B IT544441/71A IT5444171A IT1013015B IT 1013015 B IT1013015 B IT 1013015B IT 544441/71 A IT544441/71 A IT 544441/71A IT 5444171 A IT5444171 A IT 5444171A IT 1013015 B IT1013015 B IT 1013015B
Authority
IT
Italy
Prior art keywords
aberies
meri
poli
foams
percentage
Prior art date
Application number
IT544441/71A
Other languages
English (en)
Italian (it)
Original Assignee
Tenneco Chem
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 Tenneco Chem filed Critical Tenneco Chem
Application granted granted Critical
Publication of IT1013015B publication Critical patent/IT1013015B/it

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
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cell Biology (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Treatment Of Fiber Materials (AREA)
IT544441/71A 1970-12-01 1971-11-30 Procedimento e dispositivo per l aumento della percentuale di celle aberie in schiume di poli meri IT1013015B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9403570A 1970-12-01 1970-12-01

Publications (1)

Publication Number Publication Date
IT1013015B true IT1013015B (it) 1977-03-30

Family

ID=22242409

Family Applications (1)

Application Number Title Priority Date Filing Date
IT544441/71A IT1013015B (it) 1970-12-01 1971-11-30 Procedimento e dispositivo per l aumento della percentuale di celle aberie in schiume di poli meri

Country Status (10)

Country Link
AU (1) AU3628671A (enExample)
BE (1) BE776128R (enExample)
DE (1) DE2159656A1 (enExample)
ES (2) ES397557A1 (enExample)
FR (1) FR2116447A6 (enExample)
GB (1) GB1330980A (enExample)
IT (1) IT1013015B (enExample)
LU (1) LU64366A1 (enExample)
NL (1) NL7116089A (enExample)
ZA (1) ZA717378B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423283A1 (de) * 1994-07-05 1996-01-11 Linpac Technologie Gmbh Verfahren zur Herstellung von vorzugsweise flüssigkeitsabsorbierenden Schaumkunststoffmaterialien und/oder Gegenständen sowie ein entsprechendes Schaumkunststoffmaterial bzw. ein entsprechender Gegenstand
JP3439856B2 (ja) * 1994-11-17 2003-08-25 信越ポリマー株式会社 培養・飼育容器の栓体の製造方法
US20070051636A1 (en) * 2005-09-07 2007-03-08 Inco Limited Process for producing metal foams having uniform cell structure

Also Published As

Publication number Publication date
GB1330980A (en) 1973-09-19
BE776128R (fr) 1972-04-04
LU64366A1 (enExample) 1972-06-19
ZA717378B (en) 1972-07-26
NL7116089A (enExample) 1972-06-05
ES424312A1 (es) 1976-06-16
ES397557A1 (es) 1975-04-16
FR2116447A6 (enExample) 1972-07-13
DE2159656A1 (de) 1972-06-15
AU3628671A (en) 1973-06-07

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