DECORATIVE PLATE

• Main Authors: TAKEDA YUKINORI, SHIODA YOZO
• Format: Patent
• Language: English; Japanese
• Published: 07.09.2017
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; NAILING OR STAPLING MACHINES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; WORKING VENEER OR PLYWOOD

PROBLEM TO BE SOLVED: To provide a decorative plate that has excellent hardness, is resistant to scratch, and has excellent workability.SOLUTION: The decorative plate of the present invention includes a melamine-based resin layer including a melamine-based resin which is a reaction product of a melamine compound, a guanamine compound, and an aldehyde compound, and satisfies a relationship of 0.15≤X/X≤0.45 on the assumption that the amount of the guanamine compound included in the melamine-based resin layer is set at X[mol] and the amount of the melamine compound included in the melamine-based resin layer is set at X[mol] on a monomer basis. It is preferable to satisfy a relationship of 1.00≤X/(X+X)≤1.50 on the assumption that the amount of the melamine compound included in the melamine-based resin layer is set at X[mol], the amount of the guanamine compound included in the melamine-based resin layer is set at X[mol], and the amount of the aldehyde compound included in the melamine-based resin layer is set at X[mol] on a monomer basis.SELECTED DRAWING: None 【課題】優れた硬度を有し、傷が付き難く、かつ、加工性に優れた化粧板を提供すること。【解決手段】本発明の化粧板は、メラミン化合物とグアナミン化合物とアルデヒド化合物との反応生成物であるメラミン系樹脂を含むメラミン系樹脂層を備えるものであって、モノマー換算で、前記メラミン系樹脂層に含まれる前記グアナミン化合物の量をＸＧ［ｍｏｌ］、前記メラミン系樹脂層に含まれる前記メラミン化合物の量をＸＭ［ｍｏｌ］としたとき、０．１５≦ＸＧ／ＸＭ≦０．４５の関係を満足することを特徴とする。モノマー換算で、前記メラミン系樹脂層に含まれる前記メラミン化合物の量をＸＭ［ｍｏｌ］、前記メラミン系樹脂層に含まれる前記グアナミン化合物の量をＸＧ［ｍｏｌ］、前記メラミン系樹脂層に含まれる前記アルデヒド化合物の量をＸＡ［ｍｏｌ］としたとき、１．００≦ＸＡ／（ＸＭ＋ＸＧ）≦１．５０の関係を満足するのが好ましい。【選択図】なし