MX2019013474A - Composiciones adhesivas de dispersion acuosa de poliuretano. - Google Patents

Composiciones adhesivas de dispersion acuosa de poliuretano.

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Publication number
MX2019013474A
MX2019013474A MX2019013474A MX2019013474A MX2019013474A MX 2019013474 A MX2019013474 A MX 2019013474A MX 2019013474 A MX2019013474 A MX 2019013474A MX 2019013474 A MX2019013474 A MX 2019013474A MX 2019013474 A MX2019013474 A MX 2019013474A
Authority
MX
Mexico
Prior art keywords
substrate
polyurethane dispersion
aqueous polyurethane
aqueous
disclosed
Prior art date
Application number
MX2019013474A
Other languages
English (en)
Inventor
Qu Zhaohui
Zhang Chao
Chen Hongyu
Bai Chenyan
Sehanobish Kalyan
Wu Jie
Liu Xinchun
Original Assignee
Dow Global Technologies Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of MX2019013474A publication Critical patent/MX2019013474A/es

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    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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    • C09J175/06—Polyurethanes from polyesters
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    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils

Abstract

Se describen composiciones de dispersión acuosa de poliuretano. Las composiciones incluyen un prepolímero de poliuretano disperso en un medio acuoso, en donde el prepolímero de poliuretano comprende un isocianato y un poliol de poliéster cristalino que tiene un contenido de hidroxilo de 20 a 150 mg de KOH/g y una temperatura de fusión menor de o igual a 90°C. También se describen métodos para formar un laminado. Los métodos incluyen proporcionar una dispersión acuosa de poliuretano, aplicar la dispersión de poliuretano a una superficie del primer sustrato, poner el lado del primer sustrato en contacto con una superficie del segundo sustrato y curar la dispersión acuosa, laminando así el primer sustrato al segundo sustrato. También se describen laminados formados mediante los métodos y que incluyen las composiciones.
MX2019013474A 2017-05-11 2017-05-11 Composiciones adhesivas de dispersion acuosa de poliuretano. MX2019013474A (es)

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