CA1091419A - Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile - Google Patents

Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile

Info

Publication number
CA1091419A
CA1091419A CA256,994A CA256994A CA1091419A CA 1091419 A CA1091419 A CA 1091419A CA 256994 A CA256994 A CA 256994A CA 1091419 A CA1091419 A CA 1091419A
Authority
CA
Canada
Prior art keywords
solvent
solution
acrylonitrile
gel
copolymers
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
CA256,994A
Other languages
English (en)
Inventor
Vladimir Stoy
Artur Stoy
Jiri Zima
Jaroslav Kalal
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
Original Assignee
Czech Academy of Sciences
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 filed Critical Czech Academy of Sciences
Application granted granted Critical
Publication of CA1091419A publication Critical patent/CA1091419A/fr
Expired 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)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Textile Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Toxicology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
CA256,994A 1975-07-14 1976-07-14 Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile Expired CA1091419A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS495775 1975-07-14
CSPV-4957-75 1975-07-14

Publications (1)

Publication Number Publication Date
CA1091419A true CA1091419A (fr) 1980-12-16

Family

ID=5393471

Family Applications (1)

Application Number Title Priority Date Filing Date
CA256,994A Expired CA1091419A (fr) 1975-07-14 1976-07-14 Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile

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)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177840C (nl) * 1979-02-08 1989-10-16 Stamicarbon Werkwijze voor het vervaardigen van een polyetheendraad.
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−
US4440711A (en) * 1982-09-30 1984-04-03 Allied Corporation Method of preparing high strength and modulus polyvinyl alcohol fibers
DE3474573D1 (en) 1983-12-05 1988-11-17 Allied Signal Inc High tenacity and modulus polyacrylonitrile fiber and method
US4940734A (en) * 1988-11-23 1990-07-10 American Cyanamid Process for the preparation of porous polymer beads
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

Also Published As

Publication number Publication date
FR2318021A1 (fr) 1977-02-11
ATA477276A (de) 1979-07-15
FR2318021B3 (fr) 1979-04-06
DE2631499A1 (de) 1977-02-10
GB1517083A (en) 1978-07-12
JPS5217561A (en) 1977-02-09
AT355303B (de) 1980-02-25

Similar Documents

Publication Publication Date Title
US4173606A (en) Method of manufacturing shaped articles from crystalline acrylonitrile polymers and copolymers
US4107121A (en) Ionogenic hydrophilic water-insoluble gels from partially hydrolyzed acrylonitrile polymers and copolymers, and a method of manufacturing same
EP0094980B1 (fr) Compositions polymères contenant des polymères polyacrylonitrile et procédé pour leur préparation
US4943618A (en) Method for preparing polyacrylonitrile copolymers by heterogeneous reaction of polyacrylonitrile aquagel
US4957817A (en) Film, fiber, and microporous membranes of poly(etheretherketone)dissolved in high boiling point polar organic solvents
US5084173A (en) Hydrophilic composite porous membrane, a method of producing the plasma separator
AU626046B2 (en) Permeable membrane excellent in biocompatibility
JPH0575011B2 (fr)
JPH0628705B2 (ja) 半透過性中空繊維膜の製造方法
EP1661943A1 (fr) Procede permettant de produire un film microporeux de resine thermoplastique
WO1994007931A1 (fr) Materiau hydrophile et membrane semi-permeable realisee a partir dudit materiau
NO153879B (no) Fremstilling av en membran med poroes overflate.
JP3549290B2 (ja) ポリオレフィン微多孔膜及びその製造方法
Muzzarelli et al. Filmogenic properties of chitin/chitosan
CN110743392A (zh) 一种可用于血液透析且具有抗凝特性的pvdf中空纤维膜材料及其制备方法
JPH0278425A (ja) ポリ弗化ビニリデンに基づく親水性かつ乾燥性の半透膜
JPS61195132A (ja) 超高分子量α−オレフイン重合体微多孔膜の製造方法
JPH02208332A (ja) 高分子多孔体の製造方法
DE2631499A1 (de) Verfahren zur herstellung von geformten gebilden aus kristallinen polymeren und kopolymeren von akrylnitril
JPH0471416B2 (fr)
JP3641321B2 (ja) ポリオレフィン微多孔膜の製造方法
JP3673623B2 (ja) ポリオレフィン微多孔膜の製造方法
JPH07138364A (ja) ポリ−γ−グルタミン酸成形物およびその成形方法
US4409162A (en) Process for producing acrylonitrile separation membranes in fibrous form
JPS62223245A (ja) 透過性を有するポリオレフイン多孔膜の製造方法

Legal Events

Date Code Title Description
MKEX Expiry