GB873209A - Method of preparing shaped articles from isotactic crystallisable polymers - Google Patents

Method of preparing shaped articles from isotactic crystallisable polymers

Info

Publication number
GB873209A
GB873209A GB37641/58A GB3764158A GB873209A GB 873209 A GB873209 A GB 873209A GB 37641/58 A GB37641/58 A GB 37641/58A GB 3764158 A GB3764158 A GB 3764158A GB 873209 A GB873209 A GB 873209A
Authority
GB
United Kingdom
Prior art keywords
polystyrene
temperature
retained
minutes
order transition
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
GB37641/58A
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Publication of GB873209A publication Critical patent/GB873209A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2025/00Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
GB37641/58A 1957-11-27 1958-11-21 Method of preparing shaped articles from isotactic crystallisable polymers Expired GB873209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT873209X 1957-11-27

Publications (1)

Publication Number Publication Date
GB873209A true GB873209A (en) 1961-07-19

Family

ID=11330816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37641/58A Expired GB873209A (en) 1957-11-27 1958-11-21 Method of preparing shaped articles from isotactic crystallisable polymers

Country Status (6)

Country Link
BE (1) BE573324A (ro)
DE (1) DE1138915B (ro)
FR (1) FR1216397A (ro)
GB (1) GB873209A (ro)
IT (1) IT588802A (ro)
NL (2) NL233630A (ro)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345447A (en) * 1964-07-08 1967-10-03 Hercules Inc Method for forming polypropylene film
DE1264048B (de) * 1966-05-05 1968-03-21 Basf Ag Verfahren zur Herstellung von schlagfesten Styrolpolymerisate enthaltenden Formmassen mit erhoehtem Erweichungspunkt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345447A (en) * 1964-07-08 1967-10-03 Hercules Inc Method for forming polypropylene film
DE1264048B (de) * 1966-05-05 1968-03-21 Basf Ag Verfahren zur Herstellung von schlagfesten Styrolpolymerisate enthaltenden Formmassen mit erhoehtem Erweichungspunkt

Also Published As

Publication number Publication date
NL233630A (ro)
DE1138915B (de) 1962-10-31
IT588802A (ro)
NL103376C (ro)
FR1216397A (fr) 1960-04-25
BE573324A (ro)

Similar Documents

Publication Publication Date Title
FR1454893A (fr) Procédé de fabrication d'objets moulés en téréphtalate de polyéthylène
FR1454766A (fr) Procédé de fabrication d'objets moulés en téréphtalate de polyéthylène
ES399913A1 (es) Un metodo de manufactura de un material ceramico de vidrio de grano fino.
US3084389A (en) Plastic molding process and apparatus
GB863417A (en) Process for strengthening hollow bodies of plastic material
US4485059A (en) Polymer foam thermoformation process and apparatus therefor
IL58549A0 (en) Method and apparatus for producing molded plastic articles
GB873209A (en) Method of preparing shaped articles from isotactic crystallisable polymers
GB1034344A (en) Improvements in or relating to glass-ceramics
SE8006558L (sv) Forfarande for framstellning av formprodukter av termoplast vars partiellt kristallinska tillstand kan godtyckligt justeras medelst fysikalisk paverkan, serskilt temperaturpaverkan
JPH0356167B2 (ro)
NO951476L (no) Fremgangsmåte for fremstilling av formdeler av plast som kan formes i varm tilstand
US2329571A (en) Fabrication of crystalline polymers
GB1075022A (en) Super-strength olefin polymer fibres
ES453117A1 (es) Procedimiento de fabricacion de cuerpos modelados de mate- rial esponjado y dispositivo para su realizacion.
GB920375A (en) Process for the production of substantially stress-free moulded bodies
NO127243B (ro)
JPS57201631A (en) Staturated polyester resin made bottle and manufacture thereof
ES310945A1 (es) Procedimiento con un dispositivo realizador, para el moldeo de piezas al descubierto
ES245570A1 (es) PROCEDIMIENTO PARA CONFIGURAR POLIESTIRENO ISOTáCTICO
JPS57212031A (en) Production of holow molded article excellent in surface appearance
GB918863A (en) Injection moulding of crystallisable polystyrene
GB1083654A (en) Production of vitreous silica
US3819595A (en) Nucleation of normally crystalline vinylidene chloride polymers
JPH09504240A (ja) 分子配向プリフォームの成形方法