THERMAL SHRINKABLE TUBE, ELECTRONIC COMPONENT OR BATTERY COATED WITH THE TUBE

• Main Author: IKEDA KEITA
• Format: Patent
• Language: English; Japanese
• Published: 03.08.2017
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BASIC ELECTRIC ELEMENTS; BLASTING; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PIPES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a thermal shrinkable tube having heat resistance without generating waviness of a tube or adhesion of a coated body even exposed to high temperature and excellent in impact resistance in a wide range temperature and mechanical strength.SOLUTION: There is provided a thermal shrinkable tube consisting of a polyester resin composition which contains 50 mass% or more and 95 mass% or less of a polyester resin (A) having 1,4-cyclohexanedimethanol of 5 to 50 mol% as a diol component, 5 mass% or more and less than 18 mass% of a polyamide resin (B) and 0 mass% or more and less than 20 mass% of a thermoplastic elastomer resin (C) and has tear strength measured in a length direction from a tube pleat as an origin by a trouser tearing method according to JIS K7128-1 of 80 N/cm or more.SELECTED DRAWING: None 【課題】高温下に曝されてもチューブの波打ちや被覆体の密着が起こらない耐熱性を有し、また、広い温度範囲での耐衝撃性や、機械的強度などに優れた熱収縮性チューブを提供する。【解決手段】ポリエステル系樹脂組成物からなる熱収縮性チューブであって、前記ポリエステル系樹脂組成物は、ジオール成分として、１，４−シクロヘキサンジメタノールを５〜５０モル％含有するポリエステル系樹脂（Ａ）５０質量％以上９５質量％以下、ポリアミド系樹脂（Ｂ）５質量％以上１８質量％未満、及び熱可塑性エラストマー樹脂（Ｃ）０質量％以上２０質量％未満含有し、ＪＩＳ Ｋ７１２８−１に準拠し、トラウザー引裂法によりチューブ折目を起点として長さ方向に測定された引裂強度が８０Ｎ／ｃｍ以上であることを特徴とする熱収縮性チューブ。【選択図】なし