Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
  • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
  • B44D3/18—Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases
• • 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
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S428/00—Stock material or miscellaneous articles
  • Y10S428/913—Material designed to be responsive to temperature, light, moisture
• • 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
  • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
• • 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
  • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
  • Y10T428/259—Silicic material
• • 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
  • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
• • 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
  • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31507—Of polycarbonate
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31652—Of asbestos
  • Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
  • Y10T428/31797—Next to addition polymer from unsaturated monomers
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/3188—Next to cellulosic
  • Y10T428/31884—Regenerated or modified cellulose
  • Y10T428/31891—Where addition polymer is an ester or halide
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/3188—Next to cellulosic
  • Y10T428/31895—Paper or wood
  • Y10T428/31899—Addition polymer of hydrocarbon[s] only
  • Y10T428/31902—Monoethylenically unsaturated
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/3188—Next to cellulosic
  • Y10T428/31895—Paper or wood
  • Y10T428/31906—Ester, halide or nitrile of addition polymer
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/31909—Next to second addition polymer from unsaturated monomers
  • Y10T428/31913—Monoolefin polymer
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/31909—Next to second addition polymer from unsaturated monomers
  • Y10T428/31913—Monoolefin polymer
  • Y10T428/3192—Next to vinyl or vinylidene chloride polymer
• • 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
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31855—Of addition polymer from unsaturated monomers
  • Y10T428/31935—Ester, halide or nitrile of addition polymer

Definitions

• the present invention relates to a drawing film made of a plastic carrier which is provided at least on one surface with an adhesive layer and a pigment coating system which consists of polyvinyl acetate or a copolymer of vinyl acetate and an unsaturated carboxylic acid or a partially hydrolyzed polyvinyl acetate, hydrophobicizing and matting agents and possibly crosslinking compounds .
• a drawing film is usually made from a plastic film made of cellulose acetate, polyvinyl chloride, polypropylene, preferably from polyethylene terephthalate, which is provided with an adhesive layer on at least one surface. They are coated with a pigment coating system so that a surface that can be written on or written on with pencil leads and ink is created.
• the pigment lacquer system is designed so that a pigment lacquer layer is formed on its surface, on which also lines of water-based drawing ink adhere, or in such a way that a separate top layer is applied to the pigment lacquer layer in order to achieve ink adhesion.
• a film material which can be written on is known (DE-OS 2417879) which, on a pigment lacquer layer, contains a top layer which consists of a homopolymer of vinyl acetate, a polymeric compound which mainly contains monomers containing hydroxyl or carboxyl groups, and consists of a hydrophobizing agent.
• a top layer which consists of a homopolymer of vinyl acetate, a polymeric compound which mainly contains monomers containing hydroxyl or carboxyl groups, and consists of a hydrophobizing agent.
• a top layer has proven to be sensitive to water and moisture. With a large proportion of water repellents, the wetting of water-based ink is also unsatisfactory.
• this film material lacks an antistatic finish.
• a cover layer for a matt, label-accepting film material which contains an outer layer as an antistatic coating on a polyester support which is provided with a layer of film-forming cellulose lacquer on at least one surface.
• Antistatic agents are water-soluble, relatively complicated compounds of sulfonated polystyrene and a cycloaliphatic amine salt of an alcohol sulfate, in which at least one alicyclic radical having at least five carbon atoms is connected to the amine nitrogen atom, the alcohol radical of the alcohol sulfate contains at least five carbon atoms and the compound in total has at least twelve carbon atoms includes, used.
• a disadvantage of such a layer is that it is sensitive to atmospheric moisture and can be removed from the surface at any time with water.
• a matt film material is also known (DE-OS 2 342 601) which accepts ink or ink characters, which contains at least on one surface a first coating of a matt, film-forming cellulose lacquer composition and is provided with a second coating, which consists of an alkyl monoester the poly (alkyl vinyl ether maleic acid) exists.
• a coating must be applied from a solution containing organic solvent.
• the cover layers are relatively thick, so that they tend to stick slightly at elevated temperatures. There is no antistatic equipment whatsoever.
• a printable and ink-writable polyester film is known (GB-PS 1 500 134) with a very thin layer of polyvinyl alcohol or up to 72 mole percent hydrolyzed polyvinyl acetate and a second component, which is a wax, applied during the production of the film or a homo- or copolymer of acrylic or methacrylic acid or its esters or a homo- or copolymer of vinyl acetate.
• a film is not a drawing film, which can usually also be labeled with a pencil, and which must have a significantly greater application weight for the purpose of correcting lines.
• layers are obtained which are highly sensitive to moisture and heat and which are not technically usable.
• the known layer lacks the antistatic finish.
• a coated plastic film such as polyester film is also known (DE-OS 2 513 422), which is optionally provided on a substrate layer made of acrylic or methacrylic acid copolymer with a layer which consists of a non-hydrolyzed or partially hydrolyzed polymer or copolymer of vinyl acetate and a resinous component suitable for intramolecular crosslinking.
• the copolymer of vinyl acetate has 50 or more mole percent vinyl acetate and can contain as a comonomer a wide variety of compounds such as dialkyl maleate, 2-ethylhexyl acrylate, ethylene, vinyl chloride or a vinyl ester of versatic acid.
• Such a coated film should also be suitable for the production of drawing films if appropriate additives such as particulate materials or fillers, dyes, pigments and / or antistatic agents are incorporated into it.
• additives such as particulate materials or fillers, dyes, pigments and / or antistatic agents are incorporated into it.
• a composition in this regard is not specified.
• the object is achieved in that the pigment coating system contains, as a hydrophobizing agent, a copolymer which consists of at least 50% by weight of an acrylic or methacrylic acid ester monomer, the alcohol component of which has a chain length of at least four carbon atoms, and no vinyl acetate contains as a comonomer, and that an antistatic from the series of salts of polymeric sulfonic acids is present in the pigment coating system.
• the pigment coating system preferably contains an acrylic or methacrylic ester interpolymer which is formed at least 75 percent by weight from an acrylic or methacrylic ester monomer, the alcohol component of which has a chain length of at least four carbon atoms and an antistatic from the series of the sodium salts of polymeric sulfonic acids.
• the pigment coating system contains an acrylic or methacrylic ester interpolymer which is formed at least 50% by weight from an acrylic or methacrylic acid ester monomer, the alcohol component of which has a chain length of four carbon atoms.
• an acrylic or methacrylic ester interpolymer which is formed at least 75 percent by weight from an acrylic or methacrylic ester monomer whose alcohol component has a chain length of eight carbon atoms.
• a drawing film can be made available that meets the highest demands.
• the bond between the dimensionally stable plastic film and the pigment coating system is excellent.
• the writability with graphite or plastic leads and their correctability are good.
• the writability with water-based drawing inks is so good that the lines fully cover, i.e. H. inking is satisfactory; the lines are sharp.
• the dashed line width corresponds to the specified width when labeled with tube nibs.
• the ink lines are easy to correct and there are no ghost images.
• the drawing surface does not charge when it is handled, i.e. H. Formats can be easily unstacked. Eraser remains do not stick and the dust attraction is significantly reduced.
• Plastic carriers are those made of polyvinyl chloride, polycarbonate, polystyrene, polysulfone, polyolefin or of polyester or cellulose ester. Because of the excellent dimensional stability, which is of particular importance, films based on polyester, such as polyethylene terephthalate, are preferably used.
• Known mixtures are used as adhesive layers, which are described, for example, in DE-PS 1228414, corresponding to GB-PS 1061784, and consist of a mixture of the aqueous solution of a halocarboxylic acid, finely divided silicon dioxide and wetting agent, or also of mixtures which consist of DE- AS 1 629480, according to GB-PS 1 127 076, emerge.
• Polyvinylidene chloride copolymers of aqueous dispersion are applied between stretching in the longitudinal and transverse directions.
• the pigment coating system according to the invention consists either of a pigment coating layer and a top layer, which is preferred, or of a pigment coating layer alone.
• a pigment lacquer system consisting of a pigment lacquer layer and top layer consists of a pigment lacquer layer of a known type and the top layer consists of a copolymer of vinyl acetate and an unsaturated carboxylic acid, of a copolymer which consists of at least 50% by weight of an acrylic or methacrylic ester monomer, the alcohol component of which has a chain length of at least has four carbon atoms and contains no vinyl acetate as a comonomer, and from an antistatic from the series of the salts of polymeric sulfonic acids.
• the top layer contains a copolymer of at least 90 percent by weight vinyl acetate and at most 10 percent by weight of unsaturated carboxylic acid and the combination of acrylic or methacrylic ester mixed polymer, which is formed at least 75 percent by weight from an acrylic or methacrylic ester monomer, the alcohol component of which has a chain length of at least four carbon atoms, and an antistatic from the series of sodium salts of polymeric sulfonic acids, while the pigment coating layer corresponds to a recipe known, for example, from DE-OS 2 417 879.
• the pigment coating layer known from DE-PS 1 621 988, for example, incorporates the components of the combination according to the invention.
• a copolymer of at least 90 percent by weight vinyl acetate and at most 10 percent by weight unsaturated carboxylic acids serves as comonomers for the vinyl acetate, for example acids such as maleic acid or maleic anhydride, citraconic acid, itaconic acid or also crotonic acid. Copolymers containing 95 percent by weight vinyl acetate are preferably used.
• a product is used as the partially hydrolyzed polyvinyl acetate, which ensures a good combination of water insolubility and hydrophilicity during crosslinking.
• Polyvinyl acetates with a residual acetyl content of up to about 20 percent by weight are suitable for this, which corresponds to a hydrolyzed fraction of up to about 75 mole percent.
• the inventive acrylic or methacrylic acid ester copolymers used are copolymers which are formed from at least 50, preferably 75 percent by weight or more from an ester monomer, the alcohol components of which have a chain length of at least four carbon atoms and contain no vinyl acetate as comonomer. Alcohol components of four and eight carbon atoms have proven particularly useful here. If the alcohol component has four carbon atoms, it was recognized that, as an additional requirement, the copolymer dispersion must lead to films which are not hydrophilic. In the case of the alcohol component with eight carbon atoms, substances that are normally used for permanently elastic adhesives have surprisingly proven themselves, for example copolymers with a large proportion of 2-ethylhexyl acrylate.
• the copolymers according to the invention have glass transition points in the range between 0 ° C. and -70 ° C.
• the mixing ratio between the copolymer of the vinyl acetate and the acrylic or methacrylic ester copolymer can be up to 1: 1 in the top layer.
• the top layer is sometimes set too soft, so that mixtures with proportions of 70 to 90 percent by weight of vinyl acetate copolymer or partially hydrolyzed polyvinyl acetate to 30 to 10 percent by weight of acrylic or methacrylic acid ester copolymer are preferred Find application.
• the pigment lacquer layers provided with the combination according to the invention as a top layer can have the composition known from DE-OS 2,347,324. It consists of cellulose esters alone or as a mixture with other polymers such as acrylates, formaldehyde resins together with plasticizers and pigments.
• the pigment lacquer layer can also be used, as is apparent from DE-OS 2 417 879 with polyvinyl formal as the polymeric compound and amorphous silicon dioxide and titanium dioxide as the matting agent.
• Compounds from the series of salts, preferably sodium salts, of polymeric sulfonic acids are present as antistatic agents in the pigment coating system according to the invention.
• Acetals of polyvinyl alcohol with butyraldehyde or polystyrene have proven particularly useful as polymers.
• the antistatic is preferably used in approximately the same proportion by weight as the acrylic-methacrylic ester interpolymer.
• the thicknesses of the combination according to the invention used as the top layer, based on the layer weight, are 0.1 to 0.3 g / m 2 .
• the known thicknesses of the pigment lacquer layers into which the combination according to the invention has been incorporated are not changed.
• the cover layers are applied using one of the usual coating processes. Mixtures of alcohols and water have proven themselves as solvents. The alcohol content depends on the solubility of the raw materials, the desired wetting behavior on the surface to be coated and the adhesion of the substrate.
• top layers constructed according to the invention can also contain suitable additives such as fillers, dyes, pigments and crosslinking agents, such as compounds of metals of the IV main and subgroup of the periodic table which are soluble in the solvents used.
• suitable additives such as fillers, dyes, pigments and crosslinking agents, such as compounds of metals of the IV main and subgroup of the periodic table which are soluble in the solvents used.
• the components of the combination according to the invention are added to the composition of a known drawing layer. For example, they are applied together with hydrolyzed polyvinyl acetates from aqueous solution to a film with an adhesion promoter, the proportion of the components according to the invention being a maximum of 30 percent by weight, based on the polyvinyl acetate used. A proportion of antistatic above 20 percent by weight has not proven itself, because then the resistance of the pigment lacquer layer to air humidity or water decreases.
• the drawing film according to the invention can also be used as a blueprint film if a layer containing light-sensitive diazochemicals, for example composed of diazonium salt and coupling component, stabilizer, etc., is applied to one side.
• a layer containing light-sensitive diazochemicals for example composed of diazonium salt and coupling component, stabilizer, etc.
• a 75 ⁇ m thick film made of polyethylene terephthalate served as the basis and had an adhesive layer on both sides, as has become known, for example, from DE-AS 1 629 480 (GB-PS 1 127 076). Furthermore, an approximately 10 ⁇ m thick film of cellulose acetopropionate with finely divided silica and aluminum silicate as matting agent (pigment lacquer layer) was applied to the adhesive layer. Thin cover layers were applied to this pigment lacquer layer from 2.5 percent by weight solutions in equal parts of water and isopropanol and dried. They had a dry weight between 100 and 300 mg / m 2 .
• Table 1 shows the copolymers which can be used according to the invention in dispersion form.
• Table 2 shows the results of experiments in which the copolymers from Table 1 were used in the top layer in the proportions indicated in combination with a copolymer from 95 percent by weight vinyl acetate which is clearly soluble in the stated solvent mixture.
• a material with a cover layer which was produced from the copolymer of the vinyl acetate alone, served as a comparison sample.
• Solution A served as the zero sample.
• the solids ratio of the components in the formulations of copolymer with 95% vinyl acetate to the inventive copolymer to antistatic was 66:17:17.

Landscapes

• Laminated Bodies (AREA)
• Dental Preparations (AREA)
• Materials For Medical Uses (AREA)
• Polarising Elements (AREA)
• Lubricants (AREA)
• Paper (AREA)
• Extrusion Moulding Of Plastics Or The Like (AREA)
• Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
• Manufacture Of Macromolecular Shaped Articles (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

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ID=6156883

Family Applications (1)

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• 1982
  • 1982-02-27 DE DE3207122A patent/DE3207122C2/de not_active Expired
• 1983
  • 1983-02-11 CA CA000421479A patent/CA1208085A/en not_active Expired
  • 1983-02-17 ZA ZA831086A patent/ZA831086B/xx unknown
  • 1983-02-18 EP EP83101532A patent/EP0087688B1/de not_active Expired
  • 1983-02-18 DE DE8383101532T patent/DE3368234D1/de not_active Expired
  • 1983-02-18 US US06/467,907 patent/US4500598A/en not_active Expired - Fee Related
  • 1983-02-18 AT AT83101532T patent/ATE24154T1/de not_active IP Right Cessation
  • 1983-02-22 JP JP58027098A patent/JPS58160144A/ja active Granted
  • 1983-02-24 FI FI830618A patent/FI70835C/fi not_active IP Right Cessation
  • 1983-02-25 ES ES520134A patent/ES520134A0/es active Granted
  • 1983-02-25 DK DK90783A patent/DK90783A/da not_active Application Discontinuation
  • 1983-02-25 BR BR8300914A patent/BR8300914A/pt not_active IP Right Cessation
  • 1983-02-25 NO NO830674A patent/NO155483C/no unknown
• 1984
  • 1984-02-20 ES ES529880A patent/ES8500771A1/es not_active Expired

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