GB1257108A - - Google Patents

Info

Publication number
GB1257108A
GB1257108A GB1257108DA GB1257108A GB 1257108 A GB1257108 A GB 1257108A GB 1257108D A GB1257108D A GB 1257108DA GB 1257108 A GB1257108 A GB 1257108A
Authority
GB
United Kingdom
Prior art keywords
polymer
ethylene
particles
mould
expanded
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
Other languages
English (en)
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 filed Critical
Publication of GB1257108A publication Critical patent/GB1257108A/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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • 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
    • 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

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB1257108D 1968-05-08 1969-05-07 Expired GB1257108A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681778516 DE1778516A1 (de) 1968-05-08 1968-05-08 Verfahren zur Herstellung von Formkoerpern aus schaumfoermigen Olefinpolymerisaten

Publications (1)

Publication Number Publication Date
GB1257108A true GB1257108A (it) 1971-12-15

Family

ID=5703478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257108D Expired GB1257108A (it) 1968-05-08 1969-05-07

Country Status (4)

Country Link
BE (1) BE732736A (it)
DE (1) DE1778516A1 (it)
FR (1) FR2008087A1 (it)
GB (1) GB1257108A (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3049201A1 (de) * 1979-12-30 1981-09-17 Kanegafuchi Kagaku Kogyo K.K., Osaka Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung
DE3538477A1 (de) * 1984-10-29 1986-05-07 Mitsubishi Yuka Badische Co. Ltd., Yokkaichi, Mie Polypropylen-schaumstoffteilchen
DE3602996A1 (de) * 1986-01-31 1987-08-06 Mitsubishi Yuka Badische Verfahren zur herstellung eines geformten polypropylenharzprodukts aus geschaeumten polypropylenteilchen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333996B2 (it) * 1972-05-24 1978-09-18
DE19539438A1 (de) * 1995-10-24 1997-04-30 Magna Zippex Autotechnik Gmbh Verfahren zum Herstellen von Formteilen aus thermoplastischem und schäumbarem Kunststoff und eine Formvorrichtung zum Herstellen von Formteilen insbesondere nach diesem Verfahren
CN108239294A (zh) * 2016-12-27 2018-07-03 天津大学 一种通过高能电子辐照促进等规聚1-丁烯晶型ii-i转变的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3049201A1 (de) * 1979-12-30 1981-09-17 Kanegafuchi Kagaku Kogyo K.K., Osaka Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung
DE3538477A1 (de) * 1984-10-29 1986-05-07 Mitsubishi Yuka Badische Co. Ltd., Yokkaichi, Mie Polypropylen-schaumstoffteilchen
DE3602996A1 (de) * 1986-01-31 1987-08-06 Mitsubishi Yuka Badische Verfahren zur herstellung eines geformten polypropylenharzprodukts aus geschaeumten polypropylenteilchen

Also Published As

Publication number Publication date
FR2008087A1 (it) 1970-01-16
DE1778516A1 (de) 1971-08-05
BE732736A (it) 1969-11-10

Similar Documents

Publication Publication Date Title
ES461042A1 (es) Procedimiento para la fabricacion de cuerpos moldeados a partir de poliolefinas de unos pesos moleculares hasta un millon.
GB1464181A (en) Manufacture of articles of foamed olefin polymers
GB1464182A (en) Manufacture of foam mouldings from olefin polymers
GB1030886A (en) Improvements in or relating to cellular thermoplastic polymers
ES485708A1 (es) Procedimiento para la obtencion de un compuesto de moldeo depolipropileno
AU454436B2 (en) Method and apparatus for polymerizing monomeric material into cast polymer sheets
GB1257108A (it)
GB1208066A (en) Production of expanded plastics moldings from ethylene polymers or propylene polymers
ES366440A1 (es) Procedimiento continuo para la preparacion de copolimeros bloque.
ES392565A1 (es) Un procedimiento para la preparacion de polimeros de etile-no en polvo.
GB1248314A (en) Production of moldings from expandable ethylene polymers
GB935203A (en) Improvements in or relating to edging seals for moulds for polymerization moulding of polymethylmethacrylate sheets
ES370023A1 (es) Un metodo para la fabricacion de un articulo configurado.
CA925650A (en) Process for the preparation of linear, high molecular weight, sulphur vulcanizable copolymers of ethylene, propylene and 1,3-butadiene
CA1014019A (en) Heat sealable articles treated with vinyl halide polymer latices
JPS54129080A (en) Catalyst composition for polymerizing propylene* polymerization process for propylene and production thereof
ES437794A1 (es) Procedimiento para la obtencion de materiales de moldeo ter-moplasticos con fluidez mejorada.
CA676047A (en) Polymer compositions and improved process for vulcanization of rubbery hydroxy-containing polymers with polyisocyanates
GB1317993A (en) Catalyst and process for polymerizing ethylene
CA845775A (en) Process for polymerizing vinyl monomers and catalyst compositions therefor
CA832068A (en) Ethylene/1-vinyl-2-pyrrolidinone polymers, process and compositions
YU309870A (en) Process for the continuous production of copolymers from styrene and acrylonitrile or graft polymers from vinyl monomers and/or elastomers by means of prepolymerization and polymerization
CA778439A (en) Vulcanizable compositions of olefin polymers or copolymers and vulcanized articles obtained therefrom
AU410112B2 (en) Process for polymerizing vinyl monomers and catalyst compositions therefor
CA884400A (en) Method for preparing polymers and copolymers of vinyl chloride by bulk polymerization at low temperature and products thereof

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees