A quick-drying road marking paint and preparation method thereof

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By using cashew shell oil-modified rosin resin and silane coupling agent-modified alkyd resin, the existing hot melt road marking coating has solved the problems of long drying time and insufficient durability, and rapid drying and high durability are achieved.

CN119220179BActive Publication Date: 2025-03-25CHENGDU DAXIN SMART TRANSPORTATION TECH CO LTD

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Patent Information

Application Number: CN202411719192.1
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2024-11-28
Publication Date: 2025-03-25
Estimated Expiration: 2044-11-28

Application Information

Patent Timeline

28 Nov 2024

Application

CN202411719192.1

25 Mar 2025

Publication

CN119220179B

IPC: C09D193/04; C09D167/08; C09D7/61; C09D7/63; C09D7/65; C09F1/04; C08G63/91

CPC: C09D193/04; C09D7/61; C09D7/63; C09D7/65; C09D7/70; C09F1/04; C08G63/918; C08K2003/265

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Application Domain

Rosin coatings Natural resin chemical modification

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AI Technical Summary

Technical Problem

The drying time of the existing hot melt road marking paint is not ideal enough, affecting traffic flow, and has poor toughness and insufficient durability.

Method used

The cashew shell oil-modified rosin resin and silane coupling agent-modified alkyd resin are used as film-forming composite resin to synthesize fast-drying pavement marking coatings with other auxiliary materials to improve drying speed and toughness.

Benefits of technology

It significantly shortens the drying time, improves the toughness and durability of the paint, extends the service life, and reduces the impact of construction on traffic.

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Abstract

The invention discloses a quick-drying road marking paint and a preparation method thereof, and relates to the technical field of coatings; the quick-drying road marking paint consists of a cashew nut shell oil-modified rosin resin, a silane coupling agent-modified alkyd resin, titanium dioxide, talcum powder, calcium carbonate powder, glass microbeads and dioctyl phthalate; the cashew nut shell oil-modified rosin resin consists of rosin, fumaric acid, glycerol and cashew nut shell oil; the silane coupling agent-modified alkyd resin consists of alkyd resin and silane coupling agent KH570; a film-forming composite resin synthesized from cashew nut shell oil-modified rosin resin-silane coupling agent-modified alkyd resin has the properties of short drying time, light color, high softening point, good toughness, heat resistance, water resistance and the like, reduces the adverse effects of driving, temperature and rain, effectively improves durability and prolongs service life.

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