IT1006073B - Processo di filatura per la fab bricazione di un prodotto a ples si filamenti da polipropilene isotattico - Google Patents

Processo di filatura per la fab bricazione di un prodotto a ples si filamenti da polipropilene isotattico

Info

Publication number
IT1006073B
IT1006073B IT27834/73A IT2783473A IT1006073B IT 1006073 B IT1006073 B IT 1006073B IT 27834/73 A IT27834/73 A IT 27834/73A IT 2783473 A IT2783473 A IT 2783473A IT 1006073 B IT1006073 B IT 1006073B
Authority
IT
Italy
Prior art keywords
ples
manufacture
spinning process
isotactic polypropylene
filaments
Prior art date
Application number
IT27834/73A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1006073B publication Critical patent/IT1006073B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/11—Flash-spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/30—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Paper (AREA)
IT27834/73A 1972-08-14 1973-08-13 Processo di filatura per la fab bricazione di un prodotto a ples si filamenti da polipropilene isotattico IT1006073B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28020272A 1972-08-14 1972-08-14

Publications (1)

Publication Number Publication Date
IT1006073B true IT1006073B (it) 1976-09-30

Family

ID=23072103

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27834/73A IT1006073B (it) 1972-08-14 1973-08-13 Processo di filatura per la fab bricazione di un prodotto a ples si filamenti da polipropilene isotattico

Country Status (11)

Country Link
US (1) US3756441A (it)
JP (1) JPS4942917A (it)
AR (1) AR195854A1 (it)
BE (1) BE803608A (it)
CA (1) CA1005610A (it)
DE (1) DE2341086A1 (it)
FR (1) FR2196362B1 (it)
GB (1) GB1430165A (it)
IT (1) IT1006073B (it)
LU (1) LU68235A1 (it)
NL (1) NL7311211A (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU69196A1 (it) * 1974-01-18 1975-12-09
US4127623A (en) * 1974-08-03 1978-11-28 Sumitomo Chemical Company, Limited Process for producing polyolefin short fibers
US4352650A (en) * 1981-03-24 1982-10-05 E. I. Du Pont De Nemours And Company Nozzle for flash-extrusion apparatus
JPS6233816A (ja) * 1985-08-06 1987-02-13 Asahi Chem Ind Co Ltd フイブリル化繊維の製造方法
JPH0660258B2 (ja) * 1986-06-26 1994-08-10 鐘淵化学工業株式会社 熱可塑性樹脂粒子の予備発泡方法
JP2617962B2 (ja) * 1987-06-20 1997-06-11 旭化成工業株式会社 ポリプロピレンフィブリル化繊維及びその製造方法
KR910007557B1 (ko) * 1987-06-20 1991-09-27 아사히가세이고오교 가부시끼가이샤 폴리프로필렌 망상섬유, 그의 제조방법 및 망상섬유 부직포
JP2617961B2 (ja) * 1987-06-26 1997-06-11 旭化成工業株式会社 ポリプロピレン高開繊網状繊維及びその製造方法
US5032326A (en) * 1988-08-31 1991-07-16 E. I. Du Pont De Nemours And Company Flash-spinning of polymeric plexifilaments
US5030403A (en) * 1989-01-17 1991-07-09 Ppg Industries, Inc. Method for making polymeric fibrils
TW204377B (it) * 1989-07-12 1993-04-21 Asahi Chemical Ind
US5227103A (en) * 1990-02-07 1993-07-13 E. I. Du Pont De Nemours And Company High speed insulated conductors
EP0527019B1 (en) * 1991-08-03 1999-04-21 Asahi Kasei Kogyo Kabushiki Kaisha Halogen group solvent and solution using said solvent and process for producing three-dimensional fiber
US5833900A (en) * 1995-07-28 1998-11-10 E. I. Du Pont De Nemours And Company Process for modifying porosity in sheet made from flash spinning olefin polymer
US5788993A (en) * 1996-06-27 1998-08-04 E. I. Du Pont De Nemours And Company Spinneret with slotted outlet
US6153134A (en) * 1998-12-15 2000-11-28 E. I. Du Pont De Nemours And Company Flash spinning process
CN107206540B (zh) * 2015-02-05 2019-08-27 本田技研工业株式会社 机器人选择方法和机器人选择设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL300881A (it) * 1962-11-23
US3467744A (en) * 1968-10-15 1969-09-16 Du Pont Process for flash spinning polypropylene plexifilament
US3564088A (en) * 1968-10-15 1971-02-16 Du Pont Process for flash spinning an integral web of polypropylene plexifilaments

Also Published As

Publication number Publication date
US3756441A (en) 1973-09-04
LU68235A1 (it) 1973-10-23
GB1430165A (en) 1976-03-31
BE803608A (fr) 1974-02-14
JPS4942917A (it) 1974-04-23
AR195854A1 (es) 1973-11-09
NL7311211A (it) 1974-02-18
FR2196362B1 (it) 1978-02-10
DE2341086A1 (de) 1974-02-28
CA1005610A (en) 1977-02-22
FR2196362A1 (it) 1974-03-15

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