GB1393680A - Porous plastics materials - Google Patents

Porous plastics materials

Info

Publication number
GB1393680A
GB1393680A GB5443271A GB5443271A GB1393680A GB 1393680 A GB1393680 A GB 1393680A GB 5443271 A GB5443271 A GB 5443271A GB 5443271 A GB5443271 A GB 5443271A GB 1393680 A GB1393680 A GB 1393680A
Authority
GB
United Kingdom
Prior art keywords
vinyl chloride
polymer
porous
nov
extruding
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
GB5443271A
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB5443271A priority Critical patent/GB1393680A/en
Priority to CA155,962A priority patent/CA1023116A/en
Priority to ZA727949A priority patent/ZA727949B/xx
Priority to IL40794A priority patent/IL40794A/xx
Priority to AU48837/72A priority patent/AU468292B2/en
Priority to DE2256036A priority patent/DE2256036C3/de
Priority to FR7241526A priority patent/FR2160973B1/fr
Priority to IT70680/72A priority patent/IT975828B/it
Priority to NL7215897A priority patent/NL7215897A/xx
Priority to JP47117868A priority patent/JPS4860155A/ja
Publication of GB1393680A publication Critical patent/GB1393680A/en
Priority to US05/633,560 priority patent/US4100064A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB5443271A 1971-11-23 1971-11-23 Porous plastics materials Expired GB1393680A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB5443271A GB1393680A (en) 1971-11-23 1971-11-23 Porous plastics materials
CA155,962A CA1023116A (en) 1971-11-23 1972-11-08 Porous plastics materials
ZA727949A ZA727949B (en) 1971-11-23 1972-11-09 Porous plastics materials
IL40794A IL40794A (en) 1971-11-23 1972-11-10 Porous plastics materials
AU48837/72A AU468292B2 (en) 1971-11-23 1972-11-14 Porous plastics materials
DE2256036A DE2256036C3 (de) 1971-11-23 1972-11-15 Trägermaterial für semipermeable Membranen für die Wasserreinigung durch umgekehrte Osmose und Verfahren zur Reinigigung von Wasser unter Verwendung einer auf einem Trägermaterial vorliegenden, semipermeablen Membran
FR7241526A FR2160973B1 (enrdf_load_stackoverflow) 1971-11-23 1972-11-22
IT70680/72A IT975828B (it) 1971-11-23 1972-11-22 Materiale plastico poroso partico larmente cloruro di polivinile ri gido poroso
NL7215897A NL7215897A (enrdf_load_stackoverflow) 1971-11-23 1972-11-23
JP47117868A JPS4860155A (enrdf_load_stackoverflow) 1971-11-23 1972-11-24
US05/633,560 US4100064A (en) 1971-11-23 1975-11-19 Purification of water by reverse osmosis using a supported semi-permeable membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5443271A GB1393680A (en) 1971-11-23 1971-11-23 Porous plastics materials

Publications (1)

Publication Number Publication Date
GB1393680A true GB1393680A (en) 1975-05-07

Family

ID=10470982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5443271A Expired GB1393680A (en) 1971-11-23 1971-11-23 Porous plastics materials

Country Status (10)

Country Link
JP (1) JPS4860155A (enrdf_load_stackoverflow)
AU (1) AU468292B2 (enrdf_load_stackoverflow)
CA (1) CA1023116A (enrdf_load_stackoverflow)
DE (1) DE2256036C3 (enrdf_load_stackoverflow)
FR (1) FR2160973B1 (enrdf_load_stackoverflow)
GB (1) GB1393680A (enrdf_load_stackoverflow)
IL (1) IL40794A (enrdf_load_stackoverflow)
IT (1) IT975828B (enrdf_load_stackoverflow)
NL (1) NL7215897A (enrdf_load_stackoverflow)
ZA (1) ZA727949B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131341A (en) * 1982-10-23 1984-06-20 Skf Kugellagerfabriken Gmbh Plastics components of or for bearings
US4577998A (en) * 1981-10-22 1986-03-25 Imperial Chemical Industries, Plc Production of PVC irrigation pipe and the pipe so produced

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749733A (en) * 1953-12-15 1956-05-30 Harold Newby Improvements in the production of cellular bodies from polyvinyl chloride
GB1074466A (en) * 1965-07-07 1967-07-05 Ici Ltd Expanded plastic materials
DE1769509C3 (de) * 1967-06-03 1979-06-21 Toray Industries, Inc., Tokio Polyvinylchlorid-Schaumstoff und \ -rfahren zu dessen Herstellung
SE332072B (enrdf_load_stackoverflow) * 1968-04-22 1971-01-25 Kema Nord Ab

Cited By (2)

* 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
GB2131341A (en) * 1982-10-23 1984-06-20 Skf Kugellagerfabriken Gmbh Plastics components of or for bearings

Also Published As

Publication number Publication date
AU4883772A (en) 1974-05-16
DE2256036B2 (de) 1981-05-21
FR2160973B1 (enrdf_load_stackoverflow) 1976-06-04
IL40794A0 (en) 1973-01-30
FR2160973A1 (enrdf_load_stackoverflow) 1973-07-06
ZA727949B (en) 1973-07-25
DE2256036C3 (de) 1982-01-21
DE2256036A1 (de) 1973-05-24
NL7215897A (enrdf_load_stackoverflow) 1973-05-25
IL40794A (en) 1975-10-15
CA1023116A (en) 1977-12-27
IT975828B (it) 1974-08-10
JPS4860155A (enrdf_load_stackoverflow) 1973-08-23
AU468292B2 (en) 1976-01-08

Similar Documents

Publication Publication Date Title
ES401296A1 (es) Procedimiento para la produccion de composiciones formado- ras de peliculas.
GB1431120A (en) Process for producing non-foamable and foamable polyethylene resin particles
US3975315A (en) Expandable rigid vinyl chloride polymer compositions
GB1240852A (en) An improved pencil and a process for the continuous production of such pencils
GB1386544A (en) Process for extruding composition of thermoplastic resin containing high content of inorganic filler
GB1393680A (en) Porous plastics materials
US3891598A (en) Bubble-free, high barrier vinylidene chloride polymer films and process of preparation
JPS5681345A (en) Preparation of open-cell foam
US3285864A (en) Permeable microporous plastic sheet and the method of making the same
GB1466027A (en) Water-and air-permeable material
JPS57155214A (en) Polyvinyl chloride composition and its production
US3458468A (en) Vinyl halide polymers containing vinyl halide polymer compositions containing low density polyethylene
GB1157299A (en) Fibrous Thermoplastic Material
US4360489A (en) Process for adding magnesium oxide to film forming vinylidene chloride copolymer compositions
GB1459666A (en) Manufacture of resilient flexible foams of ethylene polymers
JPS5590547A (en) Chlorinated vinyl chloride resin sheet
GB1518324A (en) Compositions for floor tiles comprising vinyl chloride-vinyl alkanoate-alkene terpolymers
GB1355905A (en) Foamable resin compositions
GB1269957A (en) A method for the manufacture of cellular bodies from polymers free from liquid plasticizers
GB1186848A (en) Process for the preparation of improved Resinous Compositions based on Chlorinated Polyvinyl Chloride
JPS5452195A (en) Production of porous polyvinyl acetal material with excellent flasticity when dried
GB1210672A (en) Porous expanded articles of styrene polymer material
ES412302A1 (es) Un metodo de fabricar articulos extruidos del tipo de vari-llas y tubos.
ES426041A1 (es) Procedimiento para la obtencion de cuerpos expandidos a partir de polimerizados de olefinas.
GB1484937A (en) Flame-retardant vinyl aromatic polymer compositions

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee