EXPANDABLE COATING COMPOSITION AND USE THEREOF

• Main Authors: DANIEL WASKI, KRIS GETTY, HUANG TIANJIAN, KRISTINA THOMPSON
• Format: Patent
• Language: English; Japanese
• Published: 09.04.2020
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; CORRECTING FLUIDS; DYES; FILLING PASTES; HANDLING THIN OR FILAMENTARY MATERIAL; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PACKAGES; PACKAGING ELEMENTS; PACKING; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; STORING; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide an improved protective package produced by using a coating composition which imparts impact resistance, high strength and light-weighting to a regenerable and/or recyclable base material.SOLUTION: A multi-base material comprises a first base material, a second base material and a composition including (a) an aqueous polymer prepared by emulsion polymerization; (b) a plurality of expandable microspheres having T(expansion initiation temperature) and T(maximum expansion temperature) in an amount of 10 to 40 wt% based on the composition; and (c) optionally, an additive in which the aqueous polymer has a dynamic storage elastic modulus of 0.16 MPa to less than 0.3 MPa and tanδ of more than 0.35 at a mid-point of Tand T: (T+T)/2.SELECTED DRAWING: None 【課題】再生可能および／またはリサイクル可能な基材に耐衝撃性、高強度、および軽量化を与えるコーティング組成物を使用することにより得られる改善された保護包装の提供。【解決手段】第１の基材、第２の基材、および、（ａ）乳化重合により調製された水性ポリマー；（ｂ）Ｔ０（膨張開始温度）およびＴｍ（最大膨張温度）を有する複数の膨張可能なミクロスフェアを、組成物を基準として１０〜４０重量％；および（ｃ）任意に、添加剤を含み、水性ポリマーが、Ｔ０およびＴｍの中間点：（Ｔｍ＋Ｔ０）／２において、０．１６ＭＰａ以上０．３ＭＰａ未満の動的貯蔵弾性率、および０．３５より大きいｔａｎδを有する、組成物からなる多基材。【選択図】なし