Adhesive composition, method for bonding to a metal surface and rubber to metal adhesive

A technology of adhesives and compositions, applied in surface pretreatment bonding methods, non-polymer adhesive additives, adhesive additives, etc., can solve the problem of not improving sprayability and viscosity stability, and poor spray performance , It is difficult to achieve dry film thickness control and uniformity
CN1969025AActive Publication Date: 2007-05-23LORD CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LORD CORP
Publication Date
2007-05-23

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Abstract

Disclosed is a rubber-metal adhesive in the form of dispersed solids in a volatile liquid carrier, with a specified pigment grind and is sprayable at uniform film coatings on metal surfaces at 25 +- 2 solids content wt.% and a viscosity of from 50 to about 500 cps (Brookfield LVT 2 @ 30 rpm). The adhesive comprises a dispersion of solid particles comprising nitroso compound, halogenated polyolefin, acid acceptor and from 5% to 35 wt.% of inert, incompressible, spheroidal particles having a BET surface area of from 0.1 to 10 m<2> / g and a 50 percentile particle diameter (D50) of 5 to 25 [mu]m.
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Description

[0001] priority claim

[0002] This application claims priority to US Provisional Patent Application No. 60 / 580,306, filed June 16, 2004, the contents of which are incorporated herein by reference. technical field

[0003] The present invention relates to formulated adhesives for bonding rubber to metal which bond under heat and pressure during the vulcanization process. Background technique

[0004] Adhesion of vulcanizable rubbers to rigid substrates, especially metals, can be achieved by a two-coat process using a primer and cover coat or by a single-coat primerless system. In order to provide durable bonds under pressure and environmental corrosion, the adhesive composition must exhibit a high degree of rubber retention on the substrate after bond breakage. In order to achieve such performance, in the use of adhesive, the dry film thickness must be continuously and carefully controlled...

Claims

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