Abstract: A composite material comprises a first wood component of substantially axially aligned wood chips having a first size range and being distributed throughout the composite material in a first discontinuous phase, a second wood component of wood particles having a second size range and being distributed between the wood chips in a second discontinuous phase, the second size range being distinct from the first size range and having substantially smaller values than the first size range, and a thermoplastic polymer component encapsulating the wood chips and the wood particles and forming a continuous phase extending throughout the composite material. The wood chips constitute from about 100 to about 0 weight percent of a total weight of the first and second wood components and the wood particles constitute from about 0 to about 100 weight percent of the total weight of the first and second wood components.

Abstract: A flexible composite release sheet providing a replicative surface with a desired surface effect and a method of manufacturing such a release sheet is disclosed. The release sheet is suitable for use in multicomponent reactive urethane casting systems. The invention further provides flexible composite release sheets having a first acrylic functional coating layer containing the desired surface effect and a second silicone release coating layer overlying the acrylic functional coating layer.

Abstract: A strengthened paper product is described, which is composed of multiple layers of paper with an intervening layer of water soluble polyvinyl alcohol film for providing additional dry strength while maintaining environmentally safe disintegration/dissolution in water. This invention is particularly adapted to use as toilet tissue, although alternative uses such as cleaning, polishing or buffing cloths, table cloths, napkins and disposable hospital wear are also accommodated. The layers of paper are fixed to the film by the selection of a polyvinyl alcohol film having a tacky surface. This invention works well as sheets or as a rolled paper products having perforations for separation into individual sheets.

Abstract: Hydrophilic substrates which are useful in preparing lithographic printing plates, contain a hydrophilic layer adhered to a sheet support. The hydrophilic layer contains as a key component about 30 weight % or more of a clay, and typically contains a crosslinked water-soluble binder; colloidal silica; and amorphous silica to provide a dry coating weight of about 5 g/m2 or more. The hydrophilic layer may be porous and such porous hydrophilic substrates are particularly useful for preparing lithographic printing plates by ink jet printing.

Abstract: The present invention relates to polymers whitened with optical brighteners obtained by (a) emulsion polymerization of acrylonitrile with or without a comonomer in the presence or absence of a graftable substrate, and (b) addition of an optical brightener before, during, or after the emulsion polymerization.

Abstract: Metal matrix composite wires that include a plurality of substantially continuous, longitudinally positioned fibers in a metal matrix. The wire exhibits zero breaks over a length of at least 300 meters when tested according to a specified test.

Abstract: This invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful for formulating moisture vapor barrier coatings for paper and other cellulosic base materials. In particular, this invention relates to rosin-fatty acid vinylic polymer moisture barrier coatings obtained from the addition polymerization reaction of a mixture of rosin and fatty acid and a mixture of (meth)acrylic and vinylic monomers.

Abstract: A cohesive coating composition (16) having differential adhesion properties is applied to window glass (12) without regard to covering adjacent trim material (14) which is to be subsequently painted. The DAC (differential adhesion composition) coating (16) is characterized by high adhesion to wood, metal, plastics and painted surfaces and at the same time by selective adhesion to glass-like surfaces, so that the coating composition (16) may be easily scraped, peeled, or otherwise lifted from the glass (12), together with any paint overlay thereon, after the painting operation of the window frame (14) is completed. When subjected to sheer forces of pulling and scraping, the cohesive properties of DAC coating (16) when considered in combination with a relatively low adhesion to glass, allows the coating (16) to be removed in long continuous strips rather than fracturing into small pieces.

Abstract: Described is a method for manufacture of a pre-impregnate, characterized in that a base paper is impregnated with an impregnation solution, which contains: a) a watery dispersion on basis of an acrylic acid ester/styrol-copolymer, b) a dry hardener on basis of a copolymerisate from (meth)acrylamide and (meth)acrylic acid, and c) water whereby per weight part of dry copolymerisate from (meth)acrylamide and (meth)acrylic acid, approximately 0.3 to 13 parts by weight of dry acrylic acid ester/styrol-copolymer are employed. The pre-impregnate obtained with the method serves for fabrication of decorative compound structures, such as decorative laminates and different furniture components.

Abstract: The interleaf paper for covering a photosensitive printing plate material which is coated with a water-soluble oxidization preventing layer, is characterized in that the interleaf paper has air permeability of between about 15 seconds and about 300 seconds. If the photosensitive printing plate material is covered with the interleaf paper, it is possible to release the interleaf paper in the automatic interleaf paper releasing apparatus and stabilize the sensitivity of the photosensitive printing plate material in a short period of time.

Abstract: The invention is directed to a process for the preparation of polymer laminated base paper, said process comprising laminating a base paper web on at least one side thereof with at least one polymer layer by extrusion-coating at a coating speed of 300 m/min or more, wherein the said base paper web is heated prior to laminating.

Abstract: A hot-melt adhesive composition comprises a blend of at least one acidic polymer and at least one basic polymer. At least one of the polymers is a hot-melt adhesive. Thermally reversible crosslinks are formed between each of the two polymers. These crosslinks impart cohesive strength to the applied adhesive, without sacrificing ease of processing.

Abstract: Composite cellulose containing materials which are waterproof and biodegradable are produced which consist essentially of cellulose and hydrophobic polymer-based composition in the amount about 4 to 40 wt %. The polymer-based composition comprises first polymer, which is partially saponified polyvinyl acetate, second polymer, which functions as plasticizer for improving elasticity of the first polymer and cross-linking agent, which is capable to cross-link the first polymer. The polymer-based composition may additionally contain environmentally friendly hydrophobizators, fillers and pigments.

Abstract: The present invention provides paper coating slips comprising a low-crosslink copolymer as their binder.

Abstract: A semi-finished wood simulating product and method is disclosed. The product is manufactured by providing a substrate having at least one surface to be finished. A liquid basecoat is applied on the substrate and dried. A wood grain pattern is deposited, in liquid form, on the basecoat. Some of the pattern is transferred from the originally deposited position on the basecoat to a subsequent position. The pattern is then cured. A polymerizable protective coating is applied onto the substrate overlying the basecoat and the pattern. The protective coating seals the substrate and is adapted for accepting a colorant to be applied by an end user. The protective coating is then polymerized. Additionally, if a porous substrate is provided, a sealer is applied prior to the liquid basecoat and is then cured.

Abstract: A sealing film and a method of sealing the film to glass is disclosed. The film comprises a layer of ethylene vinyl alcohol (EVOH) or a laminate comprising an outermost ethylene vinyl alcohol (EVOH) layer for adhering to a glass surface, particularly the rim of a glass container, using heat and pressure. The laminate may include in addition to the EVOH layer an adhesive layer, polymeric layer, optional adhesive layer and stock layer. The film has excellent adhesive properties, is food safe and is suitable as a sealing material.

Abstract: An aqueous polymer dispersion whose polymer is composed of vinyl-aromatic structures and conjugated dienes, and which has a reduced content of alkali metal ions, is used for producing water-vapor barriers; the invention also relates to the aqueous, low alkali metal polymer dispersion itself.

Abstract: Aqueous laminating construction adhesive compositions incorporating a one-part adhesive copolymer, the copolymer being a vinyl ester/acrylic copolymer containing from about 0.1% to about 20%, by weight based on copolymer weight, of a copolymerized polar monomer, the copolymer having a Tg from about 10° C. to about −35 C. are provided which exhibit a good balance of high temperature and ambient temperature adhesion performance in a one-part adhesive composition.

Abstract: A fiber reinforced composite wood flooring is designed particularly for use in van-type truck trailers which experience adverse operating conditions due to heavy lift truck traffic on the top side and water spray during rainy periods on the bottom side. The composite wood flooring comprises edge-glued laminated wood which is underlaid with a thin layer of fiber reinforced plastic. The top surface of the composite wood floor is the same as that of a conventional laminated wood floor. The fiber reinforced plastic underlay is composed of glass and/or carbon fibers embedded in a polymeric resin such as epoxy, phenolic, vinyl ester, polypropylene or polyamide resin. The fiber reinforcement is designed to enhance the mechanical properties of the flooring in the longitudinal and transverse directions of the floor. The fiber reinforced plastic improves the fatigue resistance of the composite wood flooring and prevents water leakage into the trailer through the floor boards.

Abstract: Disclosed are a multilayer structure produced through co-extrusion of a multilayer melt that comprises a layer of an ethylene-vinyl alcohol copolymer (EtOH) resin composition containing from 100 to 5000 ppm, in terms of boric acid (H3BO3), of a boron compound, from 100 to 1000 ppm, in terms of the free acid, of a carboxylic acid and/or its salt, and from 50 to 300 ppm, in terms of the metal, of an alkali metal salt, and having an ethylene content of from 25 to 45 mol % and a degree of sanctification of at least 99%, and a layer of a carboxylic acid-modified polyolefin resin adjacent thereto; and a multilayer structure produced through co-extrusion of a multilayer melt that comprises a layer of an EVOH resin composition containing from 10 to 50 ppm, in terms of the metal, of a salt of a metal of Group 2 of the Periodic Table, and having an ethylene content of from 25 to 45 mol % and a degree of saponification of at least 99%, and a layer of a carboxylic acid-modified polyolefin resin adjacent thereto; processs

Abstract: A composite sheathing material comprises a first layer of paperboard having a layer of a permeable resin on a surface thereof, a core layer of paperboard, a first adhesive layer positioned intermediate and adhered to the first layer of paperboard and the core layer of paperboard, said first adhesive layer including a plurality of apertures therethrough, a second layer of paperboard having a second layer of a permeable resin on a surface thereof, and a second adhesive layer positioned intermediate and adhered to the second layer of paperboard and the core layer of paperboard, said second adhesive layer including a plurality of apertures therethrough.

Abstract: Coatable ink-receptive compositions and coated substrates are provided. The compositions contain a pigment dispersed in a binder composed of an ethylene vinyl acetate emulsion polymer and at least one water soluble, cationic polymer, such as polydiallyldimethylammonium chloride and copolymers of a quaternary amino acrylate or methacrylate and a hydroxy-lower alkyl acrylate or methacrylate. Papers, films, labels and similar products, coated with an ink-receptive composition, are also provided.

Abstract: An ink/textile combination is provided wherein the ink contains an aqueous carrier and a pigment dispersion and the textile contains moieties selected from the group consisting of epoxy, hydroxyl, amine, amido, carboxyl moieties and mixtures thereof; wherein an interactive polymer is present in at least one of the ink or the textile and wherein the interactive polymer has at least one A monomer unit having active methylene groups and at least one B monomer unit selected from the group consisting of acrylates, methacrylates, polymerizable vinyl monomers, vinyl pyrrolidone, acrylamides, methacrylamides, vinyl acetate, vinyl alcohols and combinations thereof.

Abstract: This invention relates to an economical coating composition for porous substrates that provides extremely glossy surfaces, is capable of supporting holographic images, provides good oxygen barrier properties as well as good oil, grease, solvent and water resistance. Said coatings on paper substrates are printable, biodegradable, recyclable, and repulpable. They are also suitable for use in conjunction with food products. This invention also relates to a process for applying said coatings onto porous substrates as well as a process for the economical production of inexpensive holographic images on substrates such as paper and cardboard containers.

Abstract: A method for imparting water, oil or stain repellency to HARD SURFACES comprising application to the surface of an effective amount of a composition comprising monomers copolymerized in the following percentages by weight:(a) from about 40% to about 90% of at least one monomer of formula I:R.sub.f --Q--A--C(O)--C(R).dbd.CH.sub.2 IwhereinR.sub.f is a straight or branched-chain perfluoroalkyl group of 2 to about 20 carbon atoms,R is H or CH.sub.3,A is O, S, or NR.sub.1 wherein R.sub.1 is H or a C.sub.1 -C.sub.4 alkyl, and Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of 3 to about 15 carbon atoms,--(C.sub.n H.sub.2n) (OC.sub.q H.sub.2q).sub.m --, --SO.sub.2 --NR.sub.1 (C.sub.n H.sub.2n)-- or --CONR.sub.1 (C.sub.n H.sub.2n)-- wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl, n is 1 to about 15, q is 2 to about 4, and m is 1 to about 15;(b) from about 2% to about 50% of a monomer of formula IIA or IIB or a mixture thereof:(CH.sub.2 .dbd.C(R)COZ(CH.sub.2).sub.r.sup.+ NR.sub.2 R.sub.3 R.sub.4)X.sup.

Abstract: This invention provides an imaging element comprising paper and a biaxially oriented polyolefin sheet adhered to the upper side of said paper, wherein between the paper and the upper surface layer of said biaxially oriented polyolefin sheet, there is located at least one oxygen barrier layer having less than 8.0 cc/m.sup.2. hr. atm. oxygen transmission rate.

Abstract: The use of up to about 20 parts by weight of an organic solvent selected from the group consisting of the water soluble polyalkylene glycol ethers in conventional waterborne packaging and converting adhesives provides comparable or better adhesive products with reduced environmental and health related problems.

Abstract: Disclosed is a sanitary disposable paper product having improved resistance to ink rub-off. Also disclosed is a sanitary disposable paper product having high color density print characteristics which exhibits improved resistance to ink rub-off. The sanitary disposable paper product comprises a fibrous sheet containing cellulose wherein the ink is applied to at least one surface of the paper.

Abstract: A thermoplastic polymer composition is provided that includes 100 parts by weight of a block copolymer and/or its hydrogenate having polymer blocks of an aromatic vinyl compound and polymer blocks of a conjugated diene compound, and from 5 to 95 parts by weight of a block copolymer having polymer blocks of an aromatic vinyl compound and/or an olefinic compound and polymer blocks having a constitutional unit derived from a (meth) acrylic compound, a laminate containing a layer of the composition, and a hot-melt adhesive that includes the composition. Because it has good melt adhesiveness, the composition of the invention can firmly adhere in melt to various polar or non-polar materials. Using the composition, it is easy to produce laminates having a layer of the composition and a layer of some other material, through melt shaping or any other melt adhesion techniques.

Abstract: The invention relates to a photographic element comprising a method of laminating paper and biaxially oriented polyolefin sheets comprising providing a biaxially oriented polyolefin sheet and a paper, bringing said sheet and paper together and simultaneously applying at least 2 layers of adhesive between said paper and said sheet, the layer of adhesive adjacent to said paper comprises an adhesive that has a 300 grams per 5 cm peel strength to said paper, and the layer of adhesive adjacent to said biaxially oriented sheet comprises an adhesive that has a 300 grams per 5 cm peel strength to the biaxially oriented sheet.

Abstract: Packaging for a medical article to be gas-sterilized includes a plastic film which includes at least one layer and which is structured as a dome to house the medical article in use; and a plastic-treated paper web which is comprised of a paper web, which forms a pack base, and which is sealed to the plastic film in a peelable manner in use, wherein the paper web has a basis weight ranging between 55 and 250 g/m.sup.2 and has been treated with a plastic so that the plastic-treated paper web has an average gas-permeability of at least 0.50 .mu.m/Pa.s, and wherein the plastic is present in a weight ranging from 3 to 20 g/m.sup.2 so that the packaging after sealing in use may be opened without contaminating the medical article contained therein with fibers from the paper web.

Abstract: Ink-imprintable release coating compositions are described which comprise a polymer comprising a polyurethane, a fluoroacrylate polymer or copolymer, or an addition cured or a condensation cured silicone polymer containing dispersed and/or emulsified resin particles, resin particle domains, or both, and, optionally, inorganic particles. The resin particles comprise resins which are different from the polymers and the resins comprise polyurethanes, polyamides, and polyureas. Ink-imprintable label, tape and stamp constructions also are described which comprise a plurality of contiguous labels, tapes or stamps in a roll or stacked sheet configuration without an independent release liner wherein the labels, tapes and stamps have a pressure-sensitive adhesive on the back surface and a cured ink-imprintable release coating on the face surface.

Abstract: Packaging material for food products capable of producing fiber tearing seals when adhered together is prepared from a C1S substrate by applying a base coat to the uncoated surface of the substrate before applying a sealable, moisture barrier, food contact coating over the base coat. Precoating the substrate improves coating holdout, reduces pinholes and enhances the bond between the barrier coating and the substrate to achieve the fiber tearing seals.

Abstract: A lithographic layer for a printing blanket and the printing offset blanket incorporating same, wherein the lithographic layer is made from a thermoplastic material with a polar character providing a maximum transfer of printing ink from the blanket to the paper and is easily washable thereby resulting in a minimum ink consumption.

Abstract: A wood article is submitted to a vacuum in an autoclave to remove air that it contains. Then, a solution which contains a water-soluble cross-linkable prepolymer, a polymerization initiator and optionally a wood preservative is introduced into the autoclave. Polymerization to form a polymeric network in the wood article is carried out in an atmosphere which may be substantially free of oxygen, while the optionally present preservative is chemically fixed to the wood. The result is a wood article with a permanently reduced hardness and an increased moisture content at equilibrium.

Abstract: Opaquely pigmented or thick filmed powder coatings for heat sensitive substrates, such as wood, wood composites, for example, medium density fiber board, and plastics, that can be fully cured, especially near the substrate, through the incorporation of a dual cure system in the powder comprising a thermal initiator, such as a peroxide, along with a UV initiator. The UV initiator cures the surface, while the thermal initiator cures at the substrate. Surprisingly, virtually no pregelation occurs during the heated melt and flow out step prior to UV curing. Consequently, the hardened film finish formed on the surface exhibits exceptional smoothness which is comparable to that of traditional UV curable powders. The hardened film finish is also fully cured throughout and exhibits exceptional adhesion to the substrate which cannot be achieved with traditional UV curable powders that have been pigmented.

Abstract: The invention relates to a composition comprising a polymer and wood fiber composite that can be used in the form of a linear extrudate or thermoplastic pellet to manufacture structural members. The polymer and wood fiber composite structural members can be manufactured in an extrusion process or an injection molding process. The linear extrudate or pellet can have a cross-section of any arbitrary shape, or can be a regular geometric. The pellet can have a cross-section shape having a volume of at least about 12 mm.sup.3. Preferably the pellet is a right cylindrical pellet having a minimum radius of about 1.5 mm and a minimum length of 1 mm weighing at least 14 mg. The invention also relates to an environmentally sensitive recycle of waste streams. The polymer and wood fiber composite contains an intentional recycle of a waste stream comprising polymer flakes or particles or wood fiber.

Abstract: A printing paper, especially a newsprint base paper, comprising: a base paper; and a coating layer for improving surface strength of the coated paper and releasing-property when two sheets of the coated paper are stacked, which coating layer is formed on the base paper by using a coating-transcription system such as a gate roll coating system, which coating layer comprises at least either a homopolymer polyacrylamide or a nonionic-copolymer polyacrylamide in a coating weight of from 0.01 g/m.sup.2 to 0.2 g/m.sup.2, wherein the homopolymer polytcrylamide and the nonionic-copolymer polyacrylamide have a weight average molecular weight ranging from 20,000 to 250,000, thereby improving not only surface strength but also releasing-property in a printing paper, especially in a newsprint paper having a basis weight less than 46 gm.sup.2.

Abstract: A substrate coated with a liquid crystal polymer with an intervening tie layer. A second embodiment provides a surface layer disposed on the LCP layer, sandwiching the LCP layer between the surface layer and the substrate. Methods for constructing the above also is provided.

Abstract: A composition in the form of pellets comprising a thermoplastic and wood fiber composite material suitable for forming structural members as a replacement for wood in the manufacture of doors and windows. The composite has less than about 10 wt % water based on pellet weight and a Young's modulus of at least about 500,000. Structural members are typically formed from the composite in an extrusion or an injection molding process.

Abstract: The invention relates to a multilayer product for the production of packaging, the product comprising a carrier web (1), on one face of which there is disposed a tight multilayer coating (2) which includes a moisture-proof layer (b) and a gas-tight layer (a). The gas-tight layer is made up of a blend of an ethylene/vinyl alcohol copolymer and a polar ethylene polymer. The moisture-proof layer is polyolefin, preferably a blend of polyethylene and a polar ethylene polymer.

Abstract: The invention relates to a recording material for the inkjet process, having a sheet-like substrate layer and at least one porous recording layer which is arranged on at least one side of the substrate layer and contains a binder combination comprising a film-forming plastics dispersion and a film-forming water-soluble polymer and from 30 to 90 k by weight, based on the dry recording layer, of an organic pigment which consists of porous particles or of primary particles which form porous agglomerates and has a mean pore diameter of from 0.1 to 0.5 .mu.m, an internal pore volume of from 1.0 to 4.0 cm.sup.3 /g, an oil absorption (DBP) of from 200 to 350 ml/100 g and a mean diameter of the porous particles or of the porous agglomerates of from 1 to 30 .mu.m, the ratio of pigment to binder being from 0.5:1 to 2:1. The recording material is particularly suitable for use with pigmented ink.

Abstract: A semi-finished wood simulating product and method is disclosed. The product is manufactured by providing a substrate having at least one surface to be finished. A liquid basecoat is applied on the substrate and dried. A wood grain pattern is deposited, in liquid form, on the basecoat. Some of the pattern is transferred from the originally deposited position on the basecoat to a subsequent position. The pattern is then cured. A polymerizable protective coating is applied onto the substrate overlying the basecoat and the pattern. The protective coating seals the substrate and is adapted for accepting a colorant to be applied by an end user. The protective coating is then polymerized. Additionally, if a porous substrate is provided, a sealer is applied prior to the liquid basecoat and is then cured.

Abstract: Recyclable and repulpable coated paper stock, preferably for use as ream wrap, comprising a substrate coated on at least one surface with a base coat and at least one additional coat over said base coat. Both coats are water based dispersions of a polymer selected from the group consisting of acrylic polymers, acrylic copolymers, polyvinyl acetate, polyvinyl alcohol, ethylene-vinyl acetate, polyvinyl chloride, styrene butadiene copolymers, polyvinylidiene chloride and its copolymers, or starch. The wax free coating forms a pin-hole free continuous film on the substrate which is resistant to water and water vapor. The invention also includes processes for making and recycling the invented coated paper stocks.

Abstract: A coated abrasive sheet material comprising (a) a backing substrate having at least one major surface, (b) a plurality of abrasive grains, (c) a binder bonding said plurality of abrasive grains to said at least one major surface of the backing substrate, wherein the backing substrate comprises paper having a basis weight of less than about 200 g/m.sup.2 which is essentially free of latex saturants and has on said at least one major surface with the plurality of abrasive grains, one or more extruded layers of a thermoplastic polymer, and a method of making the coated abrasive sheet material.

Abstract: A coated sheet material made by : (a) coating a porous substrate sheet material with a barrier coating composition comprising (i) a cross-linkable polymer resistant to penetration by water moisture, and (ii) a water-dispersible film-forming polymer that is resistant to penetration by grease and oil, said barrier coating composition forming a barrier layer on said substrate sheet material; and (b) coating said barrier layer with a release coating composition wherein the cross-linkable polymer and the water-dispersible film-forming polymer are different. The coated sheet material is useful in forming articles and food wrappers for use in conventional or microwave ovens.

Abstract: Process for making organic solvent-free aqueous crosslinkable polymer composition comprising: a) preparing an aqueous solution of an acid-functional oligomer with Tg 10 to 125.degree. C. and having crosslinker functional groups; b) conducting an aqueous emulsion polymerization to make an aqueous emulsion of an olefinic hydrophobic polymer in the presence of the aqueous oligomer solution, the hydrophobic polymer having Tg at least 25.degree. C. below that of the oligomer and optionally crosslinker functional groups, and c) combining with a crosslinking agent reactable with the crosslinker groups of the oligomer and polymer, said composition having Koenig hardness of .gtoreq.40 sec and minimum film forming temperature (MFFT) .ltoreq.55.degree. C. Also the aqueous composition so formed and its use in various applications. The aqueous composition has excellent properties and in particular an advantageous balance of MFFT and Koenig hardness.

Abstract: A pressure-sensitive adhesive composition includes from about 30 weight percent to about 70 weight percent solids in an aqueous medium. The solids include an acrylic polymer having a glass transition temperature of from about -25.degree. C. to about -85.degree. C. and having an acid number of from about 3 to about 30 and from about 0.75 parts by weight to about 5 parts by weight of a humectant per 100 parts polymer.

Abstract: A PVA-base copolymer is obtained by subjecting a lactone, whose ring is formed of 3 to 10 carbon atoms, to ring-opening polymerization in the presence of polyvinyl alcohol (PVA). The copolymer comprises a PVA chain and an aliphatic polyester grafted as a ring-opened polymer of the lactone on the PVA chain. Further, the copolymer has a PVA content of 2 to 98 wt. %, a polyester content of 98 to 2 wt. %, and a number average molecular weight of 10,000 to 500,000.

Abstract: The invention concerns a plastics-paper composite which substantially consists of a paper layer, a polypropylene layer and a polyester layer, the polyester layer forming one of the two surface layers of the plastics-paper composite. This plastics-paper composite is used to produce weatherproof laminated sheets with surface protection, an acrylate layer being applied to the polyester layer of the plastics-paper composite. This composite is stacked on one or both sides with a plurality of papers impregnated with synthetic resin to form a stack, the acrylate layer lying against the outermost paper layer(s). This stack is then pressed at high pressure and high temperature. For use, the surface protection is removed from the acrylate layer as from the polyester layer.