CA1133209A - Shaped plastic articles having replicated microstructure surfaces - Google Patents

Shaped plastic articles having replicated microstructure surfaces

Info

Publication number
CA1133209A
CA1133209A CA327,835A CA327835A CA1133209A CA 1133209 A CA1133209 A CA 1133209A CA 327835 A CA327835 A CA 327835A CA 1133209 A CA1133209 A CA 1133209A
Authority
CA
Canada
Prior art keywords
independently
zero
carbon atoms
integer
formula
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
CA327,835A
Other languages
English (en)
French (fr)
Inventor
John A. Martens
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to CA000393562A priority Critical patent/CA1155617A/en
Application granted granted Critical
Publication of CA1133209A publication Critical patent/CA1133209A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen
    • C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
    • 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
    • B29D11/00605—Production of reflex reflectors
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Polymerisation Methods In General (AREA)
  • Epoxy Resins (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Laminated Bodies (AREA)
  • Silicon Polymers (AREA)
CA327,835A 1978-07-20 1979-05-17 Shaped plastic articles having replicated microstructure surfaces Expired CA1133209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000393562A CA1155617A (en) 1978-07-20 1982-01-04 Shaped plastic articles having replicated microstructure surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/926,325 US4576850A (en) 1978-07-20 1978-07-20 Shaped plastic articles having replicated microstructure surfaces
US926,325 1978-07-20

Publications (1)

Publication Number Publication Date
CA1133209A true CA1133209A (en) 1982-10-12

Family

ID=25453059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA327,835A Expired CA1133209A (en) 1978-07-20 1979-05-17 Shaped plastic articles having replicated microstructure surfaces

Country Status (4)

Country Link
US (1) US4576850A (enExample)
JP (1) JPS5516098A (enExample)
CA (1) CA1133209A (enExample)
GB (2) GB2027441B (enExample)

Families Citing this family (428)

* Cited by examiner, † Cited by third party
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GB2027441B (en) 1983-05-18
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GB2027441A (en) 1980-02-20
GB2110702A (en) 1983-06-22
GB2110702B (en) 1983-11-30

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