FR1499016A - Procédé de production de polypropylène alvéolaire, et articles ainsi produits - Google Patents

Procédé de production de polypropylène alvéolaire, et articles ainsi produits

Info

Publication number
FR1499016A
FR1499016A FR83454A FR83454A FR1499016A FR 1499016 A FR1499016 A FR 1499016A FR 83454 A FR83454 A FR 83454A FR 83454 A FR83454 A FR 83454A FR 1499016 A FR1499016 A FR 1499016A
Authority
FR
France
Prior art keywords
articles
produced
production
cellular polypropylene
polypropylene
Prior art date
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
FR83454A
Other languages
English (en)
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of FR1499016A publication Critical patent/FR1499016A/fr
Expired legal-status Critical Current

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
    • C08J9/04—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
    • C08J9/141—Hydrocarbons
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
FR83454A 1965-11-16 1966-11-14 Procédé de production de polypropylène alvéolaire, et articles ainsi produits Expired FR1499016A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6514912A NL6514912A (fr) 1965-11-16 1965-11-16
NL6514911A NL6514911A (fr) 1965-11-16 1965-11-16

Publications (1)

Publication Number Publication Date
FR1499016A true FR1499016A (fr) 1967-10-20

Family

ID=26643962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR83454A Expired FR1499016A (fr) 1965-11-16 1966-11-14 Procédé de production de polypropylène alvéolaire, et articles ainsi produits

Country Status (6)

Country Link
BE (1) BE689655A (fr)
DK (1) DK113957B (fr)
FR (1) FR1499016A (fr)
GB (1) GB1111928A (fr)
NL (2) NL6514912A (fr)
SE (1) SE340168B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512336A1 (fr) * 2003-09-03 2005-03-09 Hauni Maschinbau AG Procédé et dispositif pour la production d'une tige de filtre
US7300394B2 (en) 2003-09-03 2007-11-27 Hauni Maschinenbau Ag Method and device for producing a filter rod

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939849A (en) * 1970-11-18 1976-02-24 Monsanto Chemicals Limited Filter elements
DE102012219409A1 (de) 2012-10-24 2014-04-24 Neenah Gessner Gmbh Filtermaterial mit erhöhter Standzeit und dieses Filtermaterial enthaltendes Filterelement
DE102012220546A1 (de) 2012-11-12 2014-05-15 Neenah Gessner Gmbh Flammhemmend ausgerüstetes Gasfiltermaterial mit hoher Staubspeicherfähigkeit
DE102014011715B4 (de) 2014-08-05 2018-03-15 Neenah Gessner Gmbh Filtermaterial und Filtermaterialkombination zur Abtrennung von Flüssigkeiten und Verwendung eines derartigen Filtermaterials
CN105249518B (zh) * 2015-09-25 2017-10-03 安徽中烟工业有限责任公司 一种加热非燃烧型卷烟用多孔烟草材料的制备方法
CZ2015867A3 (cs) * 2015-12-07 2017-08-23 Technická Univerzita V Liberci, Katedra Strojírenské Technologie, Oddělení Tváření Kovů A Zpracování Plastů Polymerní kompozit s přírodními vlákny a lehčenou matricí
DE102015122746B4 (de) 2015-12-23 2020-10-29 Neenah Gessner Gmbh Filtermaterial und daraus hergestelltes Filterelement
EP3718620A1 (fr) 2019-04-01 2020-10-07 Neenah Gessner GmbH Milieu filtrant doté d'un motif de polymère imprimé

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512336A1 (fr) * 2003-09-03 2005-03-09 Hauni Maschinbau AG Procédé et dispositif pour la production d'une tige de filtre
US7300394B2 (en) 2003-09-03 2007-11-27 Hauni Maschinenbau Ag Method and device for producing a filter rod

Also Published As

Publication number Publication date
SE340168B (fr) 1971-11-08
DK113957B (da) 1969-05-12
BE689655A (fr) 1967-05-16
NL6514911A (fr) 1967-05-17
GB1111928A (en) 1968-05-01
NL6514912A (fr) 1967-05-17

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