ATA477276A - Verfahren zur herstellung von geformten gebilden aus kristallischen polymeren und copolymeren von acrylnitril - Google Patents

Verfahren zur herstellung von geformten gebilden aus kristallischen polymeren und copolymeren von acrylnitril

Info

Publication number
ATA477276A
ATA477276A AT477276A AT477276A ATA477276A AT A477276 A ATA477276 A AT A477276A AT 477276 A AT477276 A AT 477276A AT 477276 A AT477276 A AT 477276A AT A477276 A ATA477276 A AT A477276A
Authority
AT
Austria
Prior art keywords
acrylonitrile
copolymers
crystal polymers
shaped forms
manufacturing shaped
Prior art date
Application number
AT477276A
Other languages
English (en)
Other versions
AT355303B (de
Inventor
Vladimir Stoy
Artur Stoy
Jiri Zima
Jaroslav Kalal
Original Assignee
Ceskoslovenska Akademie Ved
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 Ceskoslovenska Akademie Ved filed Critical Ceskoslovenska Akademie Ved
Publication of ATA477276A publication Critical patent/ATA477276A/de
Application granted granted Critical
Publication of AT355303B publication Critical patent/AT355303B/de

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)
AT477276A 1975-07-14 1976-06-30 Verfahren zur herstellung von geformten gebilden aus kristallinen polymeren und copolymeren von acrylnitril AT355303B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA477276A true ATA477276A (de) 1979-07-15
AT355303B AT355303B (de) 1980-02-25

Family

ID=5393471

Family Applications (1)

Application Number Title Priority Date Filing Date
AT477276A AT355303B (de) 1975-07-14 1976-06-30 Verfahren zur herstellung von geformten gebilden aus kristallinen polymeren und copolymeren von acrylnitril

Country Status (6)

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

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 (en) * 2006-11-09 2008-05-15 Bausch & Lomb Incorporated Use of thermal reversible associations for enhanced polymer interactions
WO2017174377A1 (en) * 2016-04-08 2017-10-12 Sabic Global Technologies B.V. Polymer composition comprising a (meth)acrylic polymer and 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
JPS5217561A (en) 1977-02-09
FR2318021B3 (de) 1979-04-06
FR2318021A1 (fr) 1977-02-11
CA1091419A (en) 1980-12-16
AT355303B (de) 1980-02-25
DE2631499A1 (de) 1977-02-10
GB1517083A (en) 1978-07-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee