FR1274521A - Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline - Google Patents

Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline

Info

Publication number
FR1274521A
FR1274521A FR837572A FR837572A FR1274521A FR 1274521 A FR1274521 A FR 1274521A FR 837572 A FR837572 A FR 837572A FR 837572 A FR837572 A FR 837572A FR 1274521 A FR1274521 A FR 1274521A
Authority
FR
France
Prior art keywords
improving
physical properties
polyolefin film
crystalline polyolefin
crystalline
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
FR837572A
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Priority to FR837572A priority Critical patent/FR1274521A/fr
Application granted granted Critical
Publication of FR1274521A publication Critical patent/FR1274521A/fr
Priority to BE685203D priority patent/BE685203A/xx
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR837572A 1960-09-01 1960-09-01 Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline Expired FR1274521A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR837572A FR1274521A (fr) 1960-09-01 1960-09-01 Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline
BE685203D BE685203A (fr) 1960-09-01 1966-08-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837572A FR1274521A (fr) 1960-09-01 1960-09-01 Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline

Publications (1)

Publication Number Publication Date
FR1274521A true FR1274521A (fr) 1961-10-27

Family

ID=8738338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837572A Expired FR1274521A (fr) 1960-09-01 1960-09-01 Procédé pour améliorer les propriétés physiques d'une pellicule polyoléfiniquecristalline

Country Status (2)

Country Link
BE (1) BE685203A (fr)
FR (1) FR1274521A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320340A (en) * 1964-07-20 1967-05-16 Minigrip Inc Controlled cooling of extruded plastic
US3349154A (en) * 1964-05-27 1967-10-24 Dow Chemical Co Decreased block in polymer films
US3383445A (en) * 1963-12-19 1968-05-14 Kalle Ag Process for the manufacture of biaxially stretched polyethylene films

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383445A (en) * 1963-12-19 1968-05-14 Kalle Ag Process for the manufacture of biaxially stretched polyethylene films
US3349154A (en) * 1964-05-27 1967-10-24 Dow Chemical Co Decreased block in polymer films
US3320340A (en) * 1964-07-20 1967-05-16 Minigrip Inc Controlled cooling of extruded plastic

Also Published As

Publication number Publication date
BE685203A (fr) 1967-01-16

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