GB1554373A - Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids - Google Patents

Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids

Info

Publication number
GB1554373A
GB1554373A GB45594/77A GB4559477A GB1554373A GB 1554373 A GB1554373 A GB 1554373A GB 45594/77 A GB45594/77 A GB 45594/77A GB 4559477 A GB4559477 A GB 4559477A GB 1554373 A GB1554373 A GB 1554373A
Authority
GB
United Kingdom
Prior art keywords
liquids
gases
removal
manufacture
supply
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
GB45594/77A
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Priority to GB45594/77A priority Critical patent/GB1554373A/en
Publication of GB1554373A publication Critical patent/GB1554373A/en
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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • B29C44/507—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 extruding the compound through an annular die
    • 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
    • C08J9/06—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 chemical blowing agent
    • C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
    • C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
    • 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
    • C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00

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)
  • General Chemical & Material Sciences (AREA)
GB45594/77A 1977-11-02 1977-11-02 Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids Expired GB1554373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB45594/77A GB1554373A (en) 1977-11-02 1977-11-02 Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45594/77A GB1554373A (en) 1977-11-02 1977-11-02 Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids

Publications (1)

Publication Number Publication Date
GB1554373A true GB1554373A (en) 1979-10-17

Family

ID=10437807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45594/77A Expired GB1554373A (en) 1977-11-02 1977-11-02 Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids

Country Status (1)

Country Link
GB (1) GB1554373A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125797A (en) * 1982-08-23 1984-03-14 Cosden Technology Extruded plastics foam compositions
US4577998A (en) * 1981-10-22 1986-03-25 Imperial Chemical Industries, Plc Production of PVC irrigation pipe and the pipe so produced
US5618853A (en) * 1993-08-02 1997-04-08 Hoechst Aktiengesellschaft Molded structure comprising a thermoplastic, process for its production and its use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577998A (en) * 1981-10-22 1986-03-25 Imperial Chemical Industries, Plc Production of PVC irrigation pipe and the pipe so produced
GB2125797A (en) * 1982-08-23 1984-03-14 Cosden Technology Extruded plastics foam compositions
US5618853A (en) * 1993-08-02 1997-04-08 Hoechst Aktiengesellschaft Molded structure comprising a thermoplastic, process for its production and its use

Similar Documents

Publication Publication Date Title
PT67785A (en) Process for the concentration of liquid foods and the lik
AU512737B2 (en) Liquid absorbent composition and gas purification process
JPS51140265A (en) Apparatus for continuously* statically mixing fluid materials and method of fabricating the apparatus
NO833981L (en) PROCEDURE FOR THE MANUFACTURE OF SINGLE USE ARTICLES AND SINGLE USE ARTICLES FOR ABSORPTION OF LIQUIDS
DE2961555D1 (en) Method and apparatus for determining the internal dimension of extended hollow bodies, especially of tubes
GB2037058B (en) Process and apparatus for the continuous purification of contaminated fluids and for conditioning the resulting concentrates
PT70979B (en) Method and apparatus to control the composition of gas in the blood
GB2059273B (en) Forcing gas into liquid
HK55084A (en) Process and apparatus for the aerobic biological purification of liquid wastes containing organic pollutants
GB2092153B (en) Method and apparatus for the production of porous tubes
AU7895681A (en) Process for the refrigeration of liquids and/or gases
EP0146833A3 (en) Apparatus for electropolishing the inner surfaces of hollow cylindrical objects
ZM7580A1 (en) Process for the decarbonation of gases
AU1850376A (en) Apparatus for purifying carbon dioxide and recuperating va- pour of fermenting liquids
IL57596A (en) Process for the purification and concentration of urokinase
FI820681L (en) FOR THE PURPOSE OF THE APPARATUS WITH ENDED VESSELS
IL50122A (en) Process for the selective removal of metal cations and for absorption of other substances using compounds with ether linkages
DE3069153D1 (en) Process and apparatus for the purification of waste sulfuric acid that contains fluorine
GB1554373A (en) Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids
DE2967017D1 (en) Method for introducing deoxy-desulphurizing substances into liquid metals without the use of gaseous carriers
GB2065877B (en) Method and apparatus for determining the opacity of atmospheric pollutants
ZA755618B (en) Apparatus and process for the purification of water
HU179045B (en) Process and equipment for the treatment of liquid and/or lump,solid materials with gases
NO153161C (en) PROCEDURE FOR Separation of gas or liquid components from a gas or liquid mixture and absorbent for use in the process
DE3564708D1 (en) Apparatus for electropolishing the inner surfaces of tubes

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee