FR2318021A1 - Production de structures moulees par mise en solution de polymeres et copolymeres cristallins de l'acrylonitrile, et refroidissement au-dessous du point de gelification - Google Patents

Production de structures moulees par mise en solution de polymeres et copolymeres cristallins de l'acrylonitrile, et refroidissement au-dessous du point de gelification

Info

Publication number
FR2318021A1
FR2318021A1 FR7621384A FR7621384A FR2318021A1 FR 2318021 A1 FR2318021 A1 FR 2318021A1 FR 7621384 A FR7621384 A FR 7621384A FR 7621384 A FR7621384 A FR 7621384A FR 2318021 A1 FR2318021 A1 FR 2318021A1
Authority
FR
France
Prior art keywords
geling
acrylonitrile
copolymers
production
solution
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.)
Granted
Application number
FR7621384A
Other languages
English (en)
Other versions
FR2318021B3 (fr
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of FR2318021A1 publication Critical patent/FR2318021A1/fr
Application granted granted Critical
Publication of FR2318021B3 publication Critical patent/FR2318021B3/fr
Granted 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • 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
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C08J2333/20—Homopolymers or copolymers of acrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Ophthalmology & Optometry (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR7621384A 1975-07-14 1976-07-13 Production de structures moulees par mise en solution de polymeres et copolymeres cristallins de l'acrylonitrile, et refroidissement au-dessous du point de gelification Granted FR2318021A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS495775 1975-07-14

Publications (2)

Publication Number Publication Date
FR2318021A1 true FR2318021A1 (fr) 1977-02-11
FR2318021B3 FR2318021B3 (fr) 1979-04-06

Family

ID=5393471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621384A Granted FR2318021A1 (fr) 1975-07-14 1976-07-13 Production de structures moulees par mise en solution de polymeres et copolymeres cristallins de l'acrylonitrile, et refroidissement au-dessous du point de gelification

Country Status (6)

Country Link
JP (1) JPS5217561A (fr)
AT (1) AT355303B (fr)
CA (1) CA1091419A (fr)
DE (1) DE2631499A1 (fr)
FR (1) FR2318021A1 (fr)
GB (1) GB1517083A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448587A1 (fr) * 1979-02-08 1980-09-05 Stamicarbon Filaments possedant une resistance a la traction et un module eleves et procedes pour leurs preparations
EP0105169A2 (fr) * 1982-09-30 1984-04-11 Allied Corporation Fibres d'alcool polyvinylique à haute résistance et à haut module et méthode pour leur préparation
EP0370259A2 (fr) * 1988-11-23 1990-05-30 American Cyanamid Company Procédé pour préparer des perles de polymères poreuses

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783674A (en) * 1980-11-12 1982-05-25 Daikin Ind Ltd Variable capacity liquid pressure unit
JPS588272A (ja) * 1981-07-02 1983-01-18 コンパニイ・ド・コンストリユクシオン・メカニク・スユルゼル 軸方向滑動可能翼を有する静水モ−タ−
EP0144793B1 (fr) 1983-12-05 1988-10-12 AlliedSignal Inc. Fibre en polyacrylonitrile à haute ténacité et haut module, et procédé de fabrication
WO2008057104A1 (fr) * 2006-11-09 2008-05-15 Bausch & Lomb Incorporated Utilisation d'associations réversibles thermiques pour de meilleures interactions entre polymères
WO2017174377A1 (fr) * 2016-04-08 2017-10-12 Sabic Global Technologies B.V. Composition polymère comprenant un polymère (méth)acrylique et un polyacrylonitrile
CN112622315A (zh) * 2020-12-25 2021-04-09 京旭企业有限公司 反转挠性透镜凹向的方法及其装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448587A1 (fr) * 1979-02-08 1980-09-05 Stamicarbon Filaments possedant une resistance a la traction et un module eleves et procedes pour leurs preparations
EP0105169A2 (fr) * 1982-09-30 1984-04-11 Allied Corporation Fibres d'alcool polyvinylique à haute résistance et à haut module et méthode pour leur préparation
EP0105169A3 (en) * 1982-09-30 1985-09-18 Allied Corporation High strength and modulus polyvinyl alcohol fibers and method of their preparation
EP0370259A2 (fr) * 1988-11-23 1990-05-30 American Cyanamid Company Procédé pour préparer des perles de polymères poreuses
EP0370259A3 (fr) * 1988-11-23 1990-09-19 American Cyanamid Company Procédé pour préparer des perles de polymères poreuses

Also Published As

Publication number Publication date
CA1091419A (fr) 1980-12-16
DE2631499A1 (de) 1977-02-10
JPS5217561A (en) 1977-02-09
GB1517083A (en) 1978-07-12
ATA477276A (de) 1979-07-15
AT355303B (de) 1980-02-25
FR2318021B3 (fr) 1979-04-06

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