Laminated films or panels and articles formed therefrom

• Main Authors: NETZE, CARSTEN, LINDENSCHMIDT, GERHARD, GREFENSTEIN, ACHIM, ZELTNER, DORIS
• Format: Patent
• Language: English; French; German
• Published: 03.03.2004
• Edition: 7
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; POLISHES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; USE OF MATERIALS AS ADHESIVES; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A laminated plate or film (I) comprises (1) a substrate layer containing (a) 1-99 wt.% of a graft copolymer prepared from (a1) 1-99 wt.% of a particulate graft base formed from (a11) 80-99.9 wt.% of 1-18C alkyl ester of acrylic acid, (a12) 0.01-20 wt.% of a polyfunctional cross-linking monomer, (a2) 1-99 wt.% of a graft component consisting of (a21) 40-100 wt.% styrene, optionally substituted and/or a (meth) acrylic acid ester, (a22) 0-60 wt.% acrylonitrile or methacrylonitrile whereby (a2) consists of a graft shell and (a) has an average particle size of 50-1000 nm; (b) 1-99 wt.% of a copolymer consisting of (b1) 40-100 wt.% styrene, optionally substituted and/or a (meth)acrylic acid ester, (b2) 0-60 wt.% acrylonitrile or methacrylonitrile; (c) 0-80 wt.% polycarbonate; and (d) 0-50 wt.% fibre and/or particulate filler; and (2) a transparent top layer consisting of polymethylmethacrylate. Also claimed are moulded articles prepared by thermoforming of the laminated plate (I).