FR2141041A5 - Adhesive - for laminating plastics film with aluminium foil in - projection screen prodn consisting of acrylonitrile butadiene copolym - Google Patents
Adhesive - for laminating plastics film with aluminium foil in - projection screen prodn consisting of acrylonitrile butadiene copolymInfo
- Publication number
- FR2141041A5 FR2141041A5 FR7211047A FR7211047A FR2141041A5 FR 2141041 A5 FR2141041 A5 FR 2141041A5 FR 7211047 A FR7211047 A FR 7211047A FR 7211047 A FR7211047 A FR 7211047A FR 2141041 A5 FR2141041 A5 FR 2141041A5
- Authority
- FR
- France
- Prior art keywords
- pts
- aluminium foil
- plastics film
- screen
- adhesive
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
Projection image screen, esp. for bright rooms, consists of aluminium foil laminated with a transparent plastics film by means of an adhesive consisting of a mixt. of 10-15 pts. wt AB copolymer with 26-34% acrylonitrile, which has been masticated for 10 mins at 20 degrees C, 2-5 pts. wt UF resin etherified with butanol, 2-5 pts. wt epoxide resin ester modified with ricinoleic acid, 0.1-0.3 pts. wt rubber stabiliser, and 1-2 pts. wt. triphenylmethane-4,4',4"-triisocyanate or 1-3 pts. wt isocyanate curing agent of empirical formula C33H32N6O9. The screen is cheap and easy to produce, and can be repeatedly rolled up and rolled out without wrinkles or deformations arising. The screen produces images with a true colour, and a very bright image is visible form all observation angles in a bright room.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD15564171 | 1971-06-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2141041A5 true FR2141041A5 (en) | 1973-01-19 |
Family
ID=5483925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7211047A Expired FR2141041A5 (en) | 1971-06-09 | 1972-03-29 | Adhesive - for laminating plastics film with aluminium foil in - projection screen prodn consisting of acrylonitrile butadiene copolym |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH544320A (en) |
DE (1) | DE2212998A1 (en) |
FR (1) | FR2141041A5 (en) |
SE (1) | SE372110B (en) |
SU (1) | SU496750A3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0798325A1 (en) * | 1996-03-27 | 1997-10-01 | Sika AG, vorm. Kaspar Winkler & Co. | Polyhydroxy compounds suitable for polyurethane syntheses |
-
1972
- 1972-03-17 DE DE19722212998 patent/DE2212998A1/en active Pending
- 1972-03-21 CH CH415372A patent/CH544320A/en not_active IP Right Cessation
- 1972-03-29 FR FR7211047A patent/FR2141041A5/en not_active Expired
- 1972-04-20 SU SU1775655A patent/SU496750A3/en active
- 1972-06-08 SE SE7207525A patent/SE372110B/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0798325A1 (en) * | 1996-03-27 | 1997-10-01 | Sika AG, vorm. Kaspar Winkler & Co. | Polyhydroxy compounds suitable for polyurethane syntheses |
US5877255A (en) * | 1996-03-27 | 1999-03-02 | Sika Ag Vorm. Kaspar Winkler & Co. | Kind of polyhydroxyl compounds suitable for the polyurethane synthesis |
Also Published As
Publication number | Publication date |
---|---|
CH544320A (en) | 1973-11-15 |
SE372110B (en) | 1974-12-09 |
DE2212998A1 (en) | 1973-02-01 |
SU496750A3 (en) | 1975-12-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |