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1. WO2020090758 - TIRE

Publication Number WO/2020/090758
Publication Date 07.05.2020
International Application No. PCT/JP2019/042217
International Filing Date 28.10.2019
IPC
B32B 25/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
25Layered products essentially comprising natural or synthetic rubber
04comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
08of synthetic resin
B60C 1/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
1Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
B60C 13/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
13Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
C08K 5/098 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
09Carboxylic acids; Metal salts thereof; Anhydrides thereof
098Metal salts of carboxylic acids
C08K 7/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
7Use of ingredients characterised by shape
B60C 11/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
Applicants
  • 株式会社ブリヂストン BRIDGESTONE CORPORATION [JP]/[JP]
Inventors
  • 浦田 智裕 URATA Tomohiro
Agents
  • 杉村 憲司 SUGIMURA Kenji
Priority Data
2018-20610131.10.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) TIRE
(FR) PNEU
(JA) タイヤ
Abstract
(EN)
The objective of the invention is to provide a tire such that discoloration of a polyurethane foam layer into a brown color is suppressed. In this tire, a polyurethane foam layer is layered on the outer layer of the tire with a barrier layer therebetween, the polyurethane foam layer contains a polyurethane foam, and the barrier layer is formed from a rubber composition containing butyl rubber as a rubber component (A).
(FR)
L'objectif de l'invention est d'obtenir un pneu permettant de supprimer la décoloration d'une couche de mousse de polyuréthane en une couleur brune. Dans ce pneu, une couche de mousse de polyuréthane est stratifiée sur la couche externe du pneu avec une couche barrière entre celles-ci, la couche de mousse de polyuréthane contient une mousse de polyuréthane, et la couche barrière est formée à partir d'une composition de caoutchouc contenant du caoutchouc butyle comme composant de caoutchouc (A).
(JA)
ポリウレタンフォーム層が茶色に変色することを抑制したタイヤを提供すること。 ポリウレタンフォーム層が、バリア層を介してタイヤの外層に積層されており、前記ポリウレタンフォーム層が、ポリウレタンフォームを含み、前記バリア層が、ゴム成分(A)としてブチルゴムを含有するゴム組成物から形成されている、タイヤ。
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