TW200732420A - Process for production of polyamide resin pellets for the production of films and polyamide resin films produced by using the same - Google Patents

Process for production of polyamide resin pellets for the production of films and polyamide resin films produced by using the same

Info

Publication number
TW200732420A
TW200732420A TW095146612A TW95146612A TW200732420A TW 200732420 A TW200732420 A TW 200732420A TW 095146612 A TW095146612 A TW 095146612A TW 95146612 A TW95146612 A TW 95146612A TW 200732420 A TW200732420 A TW 200732420A
Authority
TW
Taiwan
Prior art keywords
polyamide resin
production
films
pellets
strands
Prior art date
Application number
TW095146612A
Other languages
Chinese (zh)
Inventor
Masaaki Miyamoto
Toshiyuki Hamano
Tatsuya Hitomi
Yuuichi Nishida
Original Assignee
Mitsubishi Chem 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 Mitsubishi Chem Corp filed Critical Mitsubishi Chem Corp
Publication of TW200732420A publication Critical patent/TW200732420A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

This invention provides a process for the production of polyamide resin pellets for the production of films, characterized by extruding a polyamide resin obtained by melt polycondensation into strands, cooling and solidifying the strands, cutting them with a rotary cutter into pellets, and separating fines from the pellets to lower the fines content of the pellets to 20ppm by weight or below. The polyamide resin of the invention can give polyamide resin films which are suppressed in the occurrence of fishing eyes and thereby improved in surface appearance without adding a compound and without impairing the heat resistance, slipperiness, or transparency and which have higher commercial value. The polyamide resin is expected to bring about higher productivity in producing films by a recent molding process involving a high flow rate, a high extruder rate, and an extruder cylinder temperature exceeding 250 degree Celsius, thus having great industrial value.
TW095146612A 2005-12-15 2006-12-13 Process for production of polyamide resin pellets for the production of films and polyamide resin films produced by using the same TW200732420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005361936 2005-12-15

Publications (1)

Publication Number Publication Date
TW200732420A true TW200732420A (en) 2007-09-01

Family

ID=38162897

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095146612A TW200732420A (en) 2005-12-15 2006-12-13 Process for production of polyamide resin pellets for the production of films and polyamide resin films produced by using the same

Country Status (3)

Country Link
CN (1) CN101326040A (en)
TW (1) TW200732420A (en)
WO (1) WO2007069589A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2551309T3 (en) 2006-12-18 2015-11-18 Unitika Ltd. Biaxially oriented polyamide resin film and method for its production
US20190240868A1 (en) * 2016-07-12 2019-08-08 Sabic Global Technologies B.V. Method of making an extruded thin film, thin film so produced and its use
CA3075401A1 (en) 2017-09-28 2019-04-04 Dupont Polymers, Inc. Polymerization process
JP6494844B1 (en) * 2017-10-31 2019-04-03 住友化学株式会社 Manufacturing method of resin film and resin film with few micro scratches

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3216158B2 (en) * 1991-08-29 2001-10-09 三菱化学株式会社 Polyamide resin film
JPH0665368A (en) * 1992-08-17 1994-03-08 Mitsubishi Kasei Corp Production of terminal-modified polyamide resin
JPH06179813A (en) * 1992-12-15 1994-06-28 Mitsubishi Kasei Corp Polyamide resin film
JPH1060268A (en) * 1996-08-22 1998-03-03 Toray Ind Inc Polyamide resin composition
JP2001233958A (en) * 2000-02-24 2001-08-28 Mitsubishi Gas Chem Co Inc Solid-phase polymer of polyamide

Also Published As

Publication number Publication date
CN101326040A (en) 2008-12-17
WO2007069589A1 (en) 2007-06-21

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