Asphaltzusatz und Asphaltzusammensetzung und Herstellungsverfahren dafür

Details

Veröffentlichungs-Nr.

EP4745197

Anmeldetag

31. Oktober 2023

Veröffentlichung

6. März 2025

Rechtsraum

EP

IPC

C08L95/00, B01J13/02, C08K9/10

Abstract

The present invention relates to the technical field of road asphalts, and disclosed are an asphalt additive, and an asphalt composition and a preparation method therefor. The asphalt additive contains a first microcapsule, a second microcapsule, and a third microcapsule, wherein the first microcapsule, the second microcapsule, and the third microcapsule each comprise a capsule core and a capsule wall, the capsule core is wrapped in the capsule wall, the capsule core contains an active component, the capsule wall thickness of the first microcapsule is 0.5-2 µm, the capsule wall thickness of the second microcapsule is greater than 2 µm and less than or equal to 3 µm, and the capsule wall thickness of the third microcapsule is greater than 3 µm and less than or equal to 5 µm. The asphalt composition of the present invention has a long storage and service life, and can effectively reduce the emission of asphalt fumes during construction, thereby reducing pollution to the environment.

Anmelder

Firmen

China Petroleum & Chemical Corporation
Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd.

Land

🇨🇳 China