STAIN-RESISTANT VINYL CHLORIDE RESIN MOLDING AND EXTERIOR MEMBER AND METHOD OF PRODUCING STAIN-RESISTANT VINYL CHLORIDE RESIN MOLDING

PROBLEM TO BE SOLVED: To provide a resin molding which can prevent deterioration of the appearance due to raindrop staining over a long period and is suitable for e.g. building exterior members.SOLUTION: A resin molding is composed of a resin composition based on a vinyl chloride resin and has an ir...

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1. Verfasser:	AYUTA MITSUHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a resin molding which can prevent deterioration of the appearance due to raindrop staining over a long period and is suitable for e.g. building exterior members.SOLUTION: A resin molding is composed of a resin composition based on a vinyl chloride resin and has an irregular shape meeting conditions (a) to (c) on the surface. (a) The irregularity pitch (λ) is 500 μm or smaller; (b) the irregularity depth (d) is 20-250 μm; and (c) the ratio (λ/d) of the irregularity pitch (λ) to the irregularity depth (d) is 1≤λ/d≤3. 【課題】長期に亘って雨垂れ汚れによる外観低下を抑制でき、例えば建築物外装部材に好適に利用可能な樹脂成形体を提供する。【解決手段】塩化ビニル樹脂を主成分として含む樹脂組成物からなるとともに、表面に下記条件（ａ）〜（ｃ）をすべて満たす凹凸形状を有することを特徴とする、塩化ビニル樹脂成形体とする。（ａ）凹凸ピッチ（λ）が５００μｍ以下（ｂ）凹凸深度（ｄ）が２０μｍ以上２５０μｍ以下（ｃ）凹凸ピッチ（λ）と凹凸深度（ｄ）との比（λ／ｄ）が、１ λ／ｄ３【選択図】図１