FR2356166A2 - Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures - Google Patents

Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures

Info

Publication number
FR2356166A2
FR2356166A2 FR7619053A FR7619053A FR2356166A2 FR 2356166 A2 FR2356166 A2 FR 2356166A2 FR 7619053 A FR7619053 A FR 7619053A FR 7619053 A FR7619053 A FR 7619053A FR 2356166 A2 FR2356166 A2 FR 2356166A2
Authority
FR
France
Prior art keywords
surfactant
opacity
layers
localise
contrasts
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
FR7619053A
Other languages
French (fr)
Other versions
FR2356166B2 (en
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.)
BOULARD REMY
Original Assignee
BOULARD REMY
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
Priority claimed from FR7018340A external-priority patent/FR2090036A1/en
Application filed by BOULARD REMY filed Critical BOULARD REMY
Priority to FR7619053A priority Critical patent/FR2356166A2/en
Publication of FR2356166A2 publication Critical patent/FR2356166A2/en
Application granted granted Critical
Publication of FR2356166B2 publication Critical patent/FR2356166B2/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E06B3/6722—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light with adjustable passage of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Laminated Bodies (AREA)

Abstract

Light transmission panels exhibit varying levels of transparency at 0-100 degrees C because of the presence between two layers of transparent or translucent sheets of a surfactant/solvent mixt. which produces a cloud point in the sheet transparency within the temp. range. Twin layer diffusers where the two layers are bonded by seams, isolate small amts. of the cloud point surfactant in each of a series of isolated pockets between the two sheets. Subdivision of the double glazed diffuser into several small unconnected compartments suppresses problems associated with the hydrodynamic pressure of the total surfactant/solvent material between the two layers. The sheet can exhibit different patterns of opacity at different temps.
FR7619053A 1970-05-20 1976-06-23 Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures Granted FR2356166A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7619053A FR2356166A2 (en) 1970-05-20 1976-06-23 Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7018340A FR2090036A1 (en) 1970-05-20 1970-05-20 Variably light diffusing material - for windows contg a non ionic surfactant soln
FR7619053A FR2356166A2 (en) 1970-05-20 1976-06-23 Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures

Publications (2)

Publication Number Publication Date
FR2356166A2 true FR2356166A2 (en) 1978-01-20
FR2356166B2 FR2356166B2 (en) 1979-03-02

Family

ID=34081997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7619053A Granted FR2356166A2 (en) 1970-05-20 1976-06-23 Double layer light diffusers with surfactant in isolated compartments - to localise hydrodynamic pressures and opacity contrasts at elevated temperatures

Country Status (1)

Country Link
FR (1) FR2356166A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999045413A1 (en) * 1998-03-05 1999-09-10 Decoresponz I Helsingborg Ab Reflecting material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999045413A1 (en) * 1998-03-05 1999-09-10 Decoresponz I Helsingborg Ab Reflecting material

Also Published As

Publication number Publication date
FR2356166B2 (en) 1979-03-02

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